WO2023033190A1 - 管理システム - Google Patents
管理システム Download PDFInfo
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- WO2023033190A1 WO2023033190A1 PCT/JP2022/033625 JP2022033625W WO2023033190A1 WO 2023033190 A1 WO2023033190 A1 WO 2023033190A1 JP 2022033625 W JP2022033625 W JP 2022033625W WO 2023033190 A1 WO2023033190 A1 WO 2023033190A1
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- WIPO (PCT)
- Prior art keywords
- information
- box
- database
- mark
- management system
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Classifications
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/32—Controlling equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D46/00—Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1769—Handling of moulded articles or runners, e.g. sorting, stacking, grinding of runners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/7686—Measuring, controlling or regulating the ejected articles, e.g. weight control
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1413—1D bar codes
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
- G06V20/63—Scene text, e.g. street names
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76451—Measurement means
- B29C2945/76461—Optical, e.g. laser
- B29C2945/76464—Optical, e.g. laser cameras
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76822—Phase or stage of control
- B29C2945/76899—Removing or handling ejected articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76929—Controlling method
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V2201/00—Indexing scheme relating to image or video recognition or understanding
- G06V2201/02—Recognising information on displays, dials, clocks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Definitions
- the present invention relates to a management system, for example a management system for molded members.
- molded parts molded by injection molding machines are stored in shipping boxes after molding.
- injection molding a large number of molded members having the same shape are molded and stored in a predetermined box.
- the molded members are managed in batches to some extent (hereinafter referred to as lot management), undergo predetermined treatments such as aging and sampling inspections, and are transported to downstream assembly processes or other factories. Then, the molded member and various other parts are combined to form a product.
- lot management some extent
- predetermined treatments such as aging and sampling inspections
- the molded member and various other parts are combined to form a product.
- molding history information information such as when and with what molding history the molded member was molded
- an identification number that specifies the manufacturing history information of a member or data containing the manufacturing history information is converted into a two-dimensional code, and the member is directly laser-marked to obtain the two-dimensional code.
- a technique for obtaining manufacturing history information of a member from a database is known.
- the present invention has been made under such circumstances, and aims to manage molded members in units of mailing boxes.
- the present invention has the following configuration.
- FIG. 1A is a diagram showing the configuration of the management system of Example 1.
- FIG. 1A is a diagram showing the configuration of the management system of Example 1.
- FIG. 1B is a diagram showing the configuration of the management system of the first embodiment.
- FIG. 2 is a diagram showing the injection molding machine of Example 1, and a diagram showing the operation screen of the injection molding machine.
- Fig. 3 is a diagram showing the steps until the molded members of Example 1 are packed in a box.
- Fig. 4 is a diagram showing the markings on the partition and lid of the shipping box in Example 1, and the diagram showing other markings.
- Fig. 5 is a diagram showing the movement of the shipping box to the boxing completion position in Example 1, a diagram showing the image processing screen, and a diagram showing the database at the packing completion position.
- FIG. 6 is a flowchart showing database registration processing of the first embodiment.
- Fig. 7(a) is a diagram showing the state of the inventory place in Example 1
- Fig. 7(b) is a diagram showing the database in the state of (a).
- FIG. 8 is a diagram showing the image processing screen of the first embodiment, and a diagram showing a virtual inventory storage area of the display unit.
- FIG. 9 shows the database at 13:00 in Example 1, and the database at 13:20.
- FIG. 10 is a diagram showing a virtual inventory storage area of the display unit of Embodiment 1, and a diagram showing an image processing screen.
- Fig. 11(a) is a diagram showing the inventory location of the first embodiment
- Fig. 11(b) is a diagram showing the virtual inventory location of the display unit in the state of (a).
- FIG. 12 is a diagram showing the database in the state of FIG. 11(b) of the first embodiment.
- FIG. 13 is a diagram showing the inventory storage area and the virtual inventory storage area of the display unit in Embodiment 1.
- FIG. 13 is a diagram showing the inventory storage area and the virtual inventory storage area of the display unit in Embodiment 1.
- FIG. 14 is a diagram showing a database shared with the device that controls the free carriage, etc. of the first embodiment.
- Fig. 15(a) is a diagram showing coordinates shared with the device for controlling the free carrier of the first embodiment
- Fig. 15(b) is a diagram showing the database in the state of (a).
- FIG. 16 is a diagram showing the inventory storage area in Example 1, and a diagram showing the backup of the database.
- Fig. 17 is a diagram showing a database of empty mailing boxes and a database in which new formed members are stored in Example 1.
- Fig. 18 is a diagram showing the standby position of the empty box in Example 1, and a diagram showing a state in which both the shipping box and the lid are marked and the database.
- FIG. 19A is a diagram showing a plurality of mailing boxes with labels on the mailing boxes and lids of Example 1, and a database.
- FIG. 19B is a diagram showing the state in which the mailing boxes of Example 1 are stacked and the database.
- Fig. 20 is a diagram showing the state in which the lids of Example 1 are replaced and the database.
- FIG. 21 is a diagram showing a state in which the mold of Example 1 is labeled, and a diagram showing the database.
- FIG. 22A is a diagram showing a system configuration of a modification of the first embodiment
- FIG. 22B is a diagram showing a system configuration of a modification of the first embodiment
- FIG. 22C is a diagram showing a system configuration of a modification of the first embodiment
- FIG. 23 is a diagram showing the configuration of the management system of the second embodiment.
- FIG. 24 is a diagram showing reading by the mark reading unit of the second embodiment, a diagram showing an image processing screen, and a diagram showing a modified example of information indicating product types.
- FIG. 25 is a diagram showing the database of Example 2, and a diagram showing the inventory space.
- FIG. 26 is a flowchart showing database registration processing of the second embodiment.
- FIG. 27 is a diagram showing the configuration of the management system of the third embodiment.
- Fig. 28 is a diagram showing the molding members of Example 3 until they are packed in a box, and a diagram showing a state in which the molding members are stored.
- FIG. 29A is a diagram showing the database of Example 3.
- FIG. 29A is a diagram showing the database of Example 3.
- FIG. 29B is a diagram showing the database of Example 3.
- FIG. 29B is a diagram showing the database of Example 3.
- FIG. 30 is a diagram showing a database of a modified example of Embodiment 3, and a diagram showing resin material replenishment positions.
- FIG. 31 is a diagram showing a plurality of mailing boxes in a modified example of the third embodiment.
- Figures 1A and 1B show the system configuration of the management system that manages the molded members of Example 1.
- the device side S1 is composed of an injection molding machine 100, a mold 101a, a molded member take-out robot 102, a molded member boxing device 110, and an inventory place 120.
- FIG. An injection molding machine 100 for molding a molded member has an operation panel 100a and an operation screen 100b.
- the molded member boxing device 110 has a molded member transfer section 110a and a molded member storage robot 110b.
- the first locations in which the boxes are placed, associated with the molded member packing machine 110 include a packing position 110c, a packing complete position 110d, an empty box standby position 110e, and the like.
- system side S2 includes a recording/control section 130, a mark reading section 140, an image analysis section 150, a server 300, and a display unit 310. Positions related to the system side S2 include a product type reading imaging position 40a, a finished product reading imaging position 40b, an inventory storage reading imaging position 40c, and the like.
- a molded member molded by the injection molding machine 100 on the device side S1 will be described as an example.
- a general programmable controller (hereinafter abbreviated as PLC) is used as the recording/controlling unit 130 that links various types of information about the molded member.
- the mark reading unit 140 which is the first imaging means, is assumed to be a camera (hereinafter abbreviated as NWC) connected to a network. An image captured by the reading unit 140 can be analyzed by an image analysis unit 150 connected via a network such as a LAN.
- the injection molding machine 100 is, for example, a fully automatic injection molding machine SE-HSZ manufactured by Sumitomo Heavy Industries, Ltd.
- the recording/control unit 130 is a MELSEC-Q series manufactured by Mitsubishi Heavy Industries, Ltd. board.
- VB-H45 which is NWC of Canon Inc. and is capable of panning, tilting, and zooming
- the image analysis unit 150 used Canon Industrial Imaging Platform (hereinafter abbreviated as CIIP) Vision Edition (hereinafter abbreviated as VE) of Canon Inc.
- CIIP Canon Industrial Imaging Platform
- VE Canon Inc.
- This CIIP VE is equipped with functions for analyzing images captured by NWC and reading barcodes.
- the mark reading unit 140 used in the first embodiment can generally be attached to the ceiling. Therefore, the influence on the layout of existing equipment can be minimized, and the influence on human conductors and the addition of human work can be minimized. It should be noted that other products having similar functions may be used for each of the devices described above. For example, a barcode reader may be used as the mark reading unit 140, or a plurality of NWCs with a fixed field of view may be arranged. Additionally, a handheld camera may be used.
- Information about time is Mold opening/closing time, injection/holding time, molding completion time, take-out time, start or completion time of the process related to molding, time when the molded member is stored in the shipping box, shipping time of the molded member The time when the packing into the box started or completed, the time when the shipping box arrived and was placed in the inventory, the aging time determined by the molding date and time and the molded member, the work ID for storing the information of the molded member in the DB, etc. Defined in terms of time, such as time, for that molded member.
- [2] Information about the order is It is defined by the shot number (the order of molding) of the formed member, the order of packing the formed member into a box, the order of completion of packing of the formed member, and the like. For example, in the case of [1] time information only, if the packing completion time of molded members is defined by year, month, day, hour, minute, and second, then the order in which the stored molded members are molded can be known only from that information.
- the The data may be only the shot number or the order in which packing is completed. Further, there is no problem in combining information on time and information on order.
- FIG. 2(a) is a view showing the injection molding machine 100 of Example 1, and is a schematic view showing a state before the molding member 10 is molded and taken out.
- the injection molding machine 100 molds molded members of the same shape while using a certain mold 101a.
- An operator operates the operation panel 100a of the injection molding machine 100 to input molding conditions for molding the molded member 10, or to call up molding conditions saved in advance. Then, the input or called forming conditions for the forming member 10 are displayed on the operation screen 100b.
- the operator starts the molding operation of the injection molding machine 100 after displaying the molding conditions on the operation screen 100b.
- the injection molding machine 100 injects a molten molding material into a clamped mold 101a to mold the molded member 10 based on the input or called molding conditions. Molding conditions include various known parameters such as temperature, pressure, time, volume, speed, position, and the like.
- the molded member 10 molded by the injection molding machine 100 is removed from the mold 101a by the molded member removing robot 102 after the mold 101a is opened. [Database creation process before being placed in the inventory] (Step 1)
- the mark reading unit 140 is fixedly installed at a position where the operation screen 100b can be photographed, or installed movably.
- the product type reading imaging position 40a is registered in advance in a storage unit (not shown), and the marked reading unit 140 reads out the product type reading imaging position from the storage unit. 40a.
- at least one mark reading unit 140 may be installed at each of a plurality of imaging positions described below. That is, a second imaging means different from the first imaging means may be provided.
- one mark reading unit 140 may have a field of view capable of photographing a plurality of imaging positions.
- one mark reading unit 140 may be configured to move to a plurality of imaging positions, or a plurality of mark reading units 140 may be arranged at image capturing positions within a predetermined range. It may be configured to move to Various combinations may be applied to the installation configuration of the mark reading unit 140 .
- the mark reading unit 140 captures the operation screen 100b at the product type reading imaging position 40a.
- the image captured by the mark reading unit 140 is sent to the image analysis unit 150 .
- FIG. 2B is a diagram showing an image processing screen 150a of the image analysis unit 150, and shows image processing for analyzing information on the product type (hereinafter referred to as product type information) from the photographed operation screen 100b of the injection molding machine 100.
- 1 is a schematic diagram; FIG. As shown in FIG. 2B, the operation screen 100b is displayed on the image processing screen 150a of the image analysis section 150.
- the image analysis unit 150 can identify the type of the current molding member by capturing the molding condition name 11 in the image processing area 150b and performing image processing.
- the type information of the molding member 10 is registered in advance in a storage unit (not shown) of the image analysis unit 150 and an image processing program is constructed so that the type information of the molding member 10 can be read from the molding condition name 11. .
- a rule is determined so that the name of the type of the molding member 10 (hereinafter referred to as the type name) is placed at the right end of the molding condition name 11, and a program is constructed to read the characters at the right end of the image processing area 150b. bottom.
- the image analysis unit 150 performs image processing in the image processing area 150b and determines the type of the molding member 10 to be, for example, "A".
- the location for specifying the product type is not limited to the location of the molding condition name 11, and other information displayed on the operation screen 100b, for example, the location of the molding temperature 12 (° C.), the molding condition 13, etc. good.
- the operation screen 100b of the injection molding machine 100 functions as a first display section that displays at least information about the type of molded member. (Step 2)
- FIG. 3 is a diagram showing the process until the molded member 10 is boxed, and is a schematic diagram showing how the molded member 10 is transferred from the molded member transfer section 110a to the boxing position 110c.
- the molded member 10 is taken out from the injection molding machine 100 by the molded member take-out robot 102 and placed in the molded member transfer section 110a of the molded member packing device 110, as indicated by the dashed arrow in FIG.
- the molded member storage robot 110b takes out the molded member 10 from the molded member delivery section 110a.
- the molded member storage robot 110b sequentially stores the molded members 10' in the shipping box 20a (box) placed at the boxing position 110c.
- the molded member take-out robot 102 can also serve as the molded member storage robot 110. good.
- FIG. 4(a) is a schematic diagram showing the partition 23a of the shipping box 20a and the mark 400a of the lid 21a.
- the shipping box 20a is provided with a partition 23a so that the molding members 10 can be aligned and stored.
- the shipping box 20a is made of plastic from the viewpoint of transportability, rigidity, etc., and since a large amount of molded members 10 are stored, a plurality of shipping boxes 20a having the same shape are used. Note that the shipping box 20a may not have the partition 23a and may not be made of plastic.
- the lid 21a is marked with a first mark 400a indicating information about the box for identifying each shipping box 20a.
- the shipping box 20a is provided with partitions 23a so that, for example, 16 molding members 10 can be stored therein.
- FIG. 4(b) is a schematic diagram showing another mark, that is, a modification of the first mark.
- a two-dimensional code is used as the mark 400a, but as shown in FIG. , can be used as long as they can be identified.
- the first indicia may include characters, graphics, symbols, one-dimensional barcodes or two-dimensional codes, colors, or combinations thereof.
- FIG. 5(a) is a schematic diagram showing how the shipping box 20a is moved to the packing completion position 110d. As shown in FIG. 5(a), the shipping box 20a is moved from the packing position 110c to the packing completion position 110d by a moving means such as a belt conveyor. (Step 4)
- the mark reading unit 140 reads and images the finished product, which is a position where the mark 400a provided on the lid 21a of the shipping box 20a placed at the packing completion position 110d can be photographed. It is fixedly installed at the position 40b or installed movably. In addition, when the mark reading unit 140 is installed movably, the finished product reading imaging position 40b shall be registered in the storage unit (not shown) in advance.
- FIG. 5B is a diagram showing an image processing screen 150a of the image analysis section 150, and is a schematic diagram showing how the image processing for reading the mark 400a is performed.
- a mark 400a is displayed on the image processing screen 150a of the image analysis unit 150.
- the image analysis unit 150 captures the mark 400a in the image processing area 150c, recognizes it by image processing, and sends information to the recording/control unit 130 that the molding member 10 is stored in the shipping box 20a having the mark 400a. Then, the recording/control unit 130 records the information.
- the image analysis unit 150 analyzes the image of the mark 400a of the mailing box 20a imaged by the mark reading unit 140, and functions as an acquisition unit that acquires information about the box. Then, the recording/control unit 130 refers to a timer (not shown) and defines the time when the marking 400a is photographed as the packaging completion time, and sets the time when the marking 400a is photographed as the packaging completion time Ta of the molded member 10. be able to. It should be noted that, as in the case of reading the product type, it is necessary to pre-program the definition of information relating to the time and order of forming members. In Example 1, it was defined as the boxing completion time.
- the recording/control unit 130 functions as a building unit that builds a database by linking the information about the box acquired by the image analysis unit 150 with the time and order information of the molding members. (database registration process)
- FIG. 6 is a flow chart showing registration processing in the database.
- step 101 (hereinafter referred to as S101) ) and the subsequent processing is started.
- S101 the mark reading unit 140 is installed in a movable configuration.
- the system side S2 moves the mark reading unit 140 to the product type reading imaging position 40a.
- the system side S2 captures the operation screen 100b of the injection molding machine 100 with the mark reading unit 140, and determines whether or not the image analysis unit 150 has searched for the type information of the molding member 10.
- the search includes that the image analysis unit 150 captures, for example, the molding condition name 11 in FIG. If the system side S2 determines in S102 that the search for the product type information has not been completed, the process returns to S102 to continue the search, and if it determines that the search has been completed, the process proceeds to S103.
- the system side S2 acquires the product type information through the image processing of the image analysis unit 150.
- the image captured by the mark reading unit 140 is sent to the image analysis unit 150, and the operation screen 100b is displayed on the image processing screen 150a of the image analysis unit 150 as described in FIG. 2B.
- the operation screen 100b for example, the name of the molding condition input or called (the molding condition name 11 described above) and specific conditions such as molding temperature (° C.) 12 and other molding conditions 13 are displayed. It is displayed together with the condition name 11 .
- the system side S2 moves the mark reading unit 140 to the finished product reading imaging position 40b. Note that the marked reading unit 140 may be moved to the finished product reading and imaging position 40b in advance without waiting for the shipping box 20a to move to the packing completion position 110d.
- the system side S2 photographs the mark 400a of the mailing box 20a by the mark reading unit 140, and determines whether or not the search for the mark 400a by the image analysis unit 150 is completed.
- the search includes the image analysis unit 150 catching the target mark 400a within the image processing area 150c.
- the system side S2 stores the time when the marking 400a was photographed by the marking reading unit 140 by the recording/controlling unit 130 in the storage unit (not shown) as the packing completion time Ta. If the system side S2 determines in S105 that the search for the mark 400a has not been completed, the process returns to S105, and if it is determined that the search has been completed, the process proceeds to S106.
- the system side S2 acquires the mark 400a searched in S105 and information on the packing completion time Ta stored in the storage unit (not shown).
- the system side S2 registers the mark 400a of the forwarding box 20a in the database by the recording/control unit 130.
- FIG. the system side S2 associates and registers the type information acquired in S103 and the boxing completion time Ta acquired in S106 with the label 400a of the mailing box 20a registered in the database, and ends the process. (Step 5)
- FIG. 5(c) is a diagram showing an example of the database at the packing completion position 110d.
- the data transmitted to the recording/controlling unit 130 are associated with each other in the database structure shown in FIG. 5(c).
- the database of Example 1 has one record for each reference number 1001.
- Each record has a barcode number.
- Columns such as 1002, product type 1003, aging time 1004, completion time 1005, shipping availability 1006, and priority 1007 are associated with each other as attributes.
- the reference numeral "400a" of the label 400a is used for the label number 1001.
- serial numbers starting from 0 or arbitrary numbers are used, and bar code No. 1002 may also serve as the reference number 1001, or the like.
- Barcode No. 1002 is a random number indicating the mark 400a.
- Example 1 the barcode No. indicated by the label 400a is placed at the record position where the label number 1001 is "400a". "0001" is the barcode number. 1002. Also, “A” indicating the type of the molded member 10 is stored in the type 1003, and the boxing completion time Ta is registered (recorded) in the completion time 1005, respectively. An aging time T corresponding to the type of molded member 10 (for example, "A") is recorded in the aging time 1004. FIG. In Example 1, the completion time 1005 of the marking number "400a” is set to "2110091000", and the aging time T of the type "A” of the molded member 10 is set to 3 hours.
- Completion time is represented by a list of numbers of year (lower two digits), month, day, hour, and minute.
- the boxing completion time Ta that can be read from the information registered in the completion time 1005 field of the mark 400a is "October 9, 2021, 10:00".
- the format to be registered may be changed according to the data handled in the completion time 1005 .
- the aging time T may change depending on the type of the molded member 10 .
- the specified aging time T has not passed, in other words, it is the timing when counting of the aging time has started.
- the database is stored in the server 300 connected by a LAN or the like as appropriate.
- the recording/control unit 130 may start a timer (not shown) to count time in order to manage the aging time T at the timing when the registration of the mailing box 20a in the database is completed. (Step 6)
- the worker X is notified of the completion.
- the notification of completion to the worker X is sent via the display unit 310 connected to the recording/controlling section 130 by network means such as LAN or RS232C.
- the worker X who has received the notification of completion transports the mailing box 20a from the boxing completion position 110d to an arbitrary location in the inventory space 120.
- FIG. 7(a) is a schematic diagram showing a state when nine boxes 20a to 20i are arranged in the stock place 120.
- FIG. 7(a) is a schematic diagram showing a state when nine boxes 20a to 20i are arranged in the stock place 120.
- FIG. 7(a) is a schematic diagram showing a state when nine boxes 20a to 20i are arranged in the stock place 120.
- FIG. 7(a) nine shipping boxes 20a to 20i are placed in an inventory space 120.
- the marks 400a to 400i attached to the lids 21a to 21i correspond to the boxes 20a to 21i.
- the shipping boxes 20f to 20i store molded members of the product type B which are molded by the injection molding machine 100 on the same day, and to which information is added through the same processing and operation (steps 1 to 6) as the product type A described above. ing.
- a larger number of shipping boxes may be arranged, and a larger number of product types may be mixed.
- suffixes "a", "b", etc. may be omitted except when describing a specific mailing box or the like.
- FIG. 7(b) is a diagram showing a database corresponding to the state of FIG. 7(a). show.
- Various information registered in the record of each mark (in other words, mail) registered in the mark number 1001 is stored.
- the following information is associated with the record having the reference number 1001 of "400d” and is stored in a database. That is, barcode No.
- the item 1002 is "0005"
- the product type 1003 is "A”
- the aging time 1004 is "3" hours
- the completion time 1005 is "2110091100”
- the shipping availability 1006 is "not shipping”.
- the following information is associated with the record whose mark number 1001 is "400g” and is stored in a database. That is, barcode No.
- the item 1002 is "0032”
- the product type 1003 is "B”
- the aging time 1004 is "4" hours
- the completion time 1005 is "2110090830”
- the shipping availability 1006 is "not shipping”.
- the mark reading unit 140 is located at an inventory storage location reading imaging position, which is a position where the markings 400a to 400i provided on the lids 21a to 20i of the shipping boxes 20a to 20i placed in the inventory storage location 120 can be photographed. Go to 40c. The inventory place reading imaging position 40c is registered in advance. Note that the mark reading unit 140 may be arranged in a fixed manner. The image captured by the mark reading unit 140 is sent to the image analysis unit 150 .
- FIG. 8(a) is a diagram showing an image processing screen 150a of the image analysis unit 150, and is a schematic diagram showing how the image processing for reading the photographed marks 400a to 400i is performed. As shown in FIG.
- marks 400a to 400i are displayed on an image processing screen 150a of the image analysis unit 150, and the image analysis unit 150 obtains the coordinates of the marks 400a to 400i by image processing. Specifically, the image analysis unit 150 finds the marks 400a to 400i within the range of the image processing area 150d. In the image processing area 150d, the positions indicating the origins of the X and Y coordinates are assumed in advance, and the image analysis section 150 obtains the coordinates of the marks 400a to 400i based on the origins. In addition, in the first embodiment, two-dimensional coordinates are used as the coordinates indicating the positions of the marks. Coordinates may be used. Also, although the orthogonal coordinate system is used, other coordinate systems such as a polar coordinate system may be used.
- the image analysis unit 150 obtains position information (hereinafter referred to as mark position information) X1 to X9 and Y1 to Y9 of the marks 400a to 400i at the angle of view of the mark reading unit 140 from the marks 400a to 400i that have been found.
- mark position information (X1, Y1) is obtained for the mark 400a of the mailing box 20a.
- positional information (X2, Y2) is obtained for the label 400b of the mailing box 20b
- the positional information (X9, Y9) for the label 400i of the mailing box 20i is obtained.
- the image analysis unit 150 uses a previously prepared transformation formula to a virtual coordinate system to convert the display unit Positional information for displaying an image in the virtual space of 310 is obtained.
- Position information (virtual coordinates) for displaying an image in the virtual space of the display unit is hereinafter referred to as display virtual position information and is represented by XX1 to XX9 and YY1 to YY9.
- FIG. 8(b) is a schematic diagram showing the virtual inventory space 220 displayed on the display unit 310, which is the second display section.
- FIG. 8(b) based on the display virtual position information XX1 to XX9 and YY1 to YY9, information corresponding to the label 400 of each mailing box 20 is displayed in the virtual stock place 220 displayed on the display unit 310.
- 410a to 410i are arranged. Therefore, the information 410a is an image that virtually shows the mark 400a.
- information is provided so that the worker can determine which position in the inventory space 120 the shipping box 20 stores which type of molded member 10 simply by looking at the display unit 310 .
- Product type information 51a to 51i are displayed at positions 410a to 410i.
- the image analysis unit 150 identifies the markings 400a to 400i of the shipping boxes 20a to 20i placed in the inventory place 120, so that the display unit 310 displays the actual inventory place 120 shown in FIG. can be displayed virtually (displaying a virtual diagram). Therefore, the operator X can easily know which type of molded member 10 is stored in which shipping box 20 by simply looking at the display unit 310 .
- the mark reading unit 140 which has moved to the inventory reading and imaging position 40c or is fixed at the inventory reading and imaging position 40c, takes an image of the inventory 120 at predetermined time intervals (for example, several tens of seconds). there is Therefore, even if there is a change in the number of mailing boxes 20 in the inventory place 120, such as when a new mailing box 20 is placed in the stock place 120 or when the mailing box 20 is moved manually, the change can be handled. Is possible. That is, the mark reading unit 140 captures images of the inventory space 120 at predetermined time intervals, thereby detecting changes in the status of the inventory space 120 and updating the information on the status of the inventory space 120 .
- predetermined time intervals for example, several tens of seconds
- the mark reading unit 140 is configured to photograph the inventory space 120 at the inventory space reading imaging position 40c at regular time intervals. [After a predetermined time has passed since a certain mailing box 20 was completed] (Step 8) (After 3 hours from the completion of the shipping box 20a)
- FIG. 9(a) is a diagram showing changes in the database around 13:00, that is, when the aging time for product A has passed (hereinafter also referred to as aging end). More specifically, after the completion of storage in the mailing box 20a, that is, after the information on the mailing box 20a was registered in the database, three hours have passed, that is, the time is around 13:00. . Since the molded member 10 stored in the shipping box 20a is of type A, the aging time 1004 is 3 hours. Therefore, since three hours have passed, the recording/control unit 130 changes the shipping approval/disapproval 1006 associated with the record of the mark 400a from "shipping not permitted" to "shipping permitted".
- the recording/control unit 130 records the time in the completion time 1005 and starts counting elapsed time with a timer (not shown).
- the recording/control unit 130 incorporates a program that assigns "shippable” to the database after judging that the aging time of the product type has passed.
- the recording/control unit 130 also determines whether or not there is another product type A for which the shipping possibility 1006 is “shippable” in the database.
- the priority 1007 of the record with the label number 1001 of "400a" is "1". ”.
- the recording/controlling unit 130 determines the order of priority for shipment of regular boxes based on the information on product types and the completion time.
- FIG. 9B is a diagram showing changes in the database at around 13:20, that is, at the end of aging. be.
- the molded member 10 stored in the shipping box 20b is of type A, and three hours have passed since its completion. . Since there is already data for the product type A that is "shippable", the priority 1007 is "2". By determining the order of priority in this way, it is possible to ship the products in the order of the earliest time stored in the completion time 1005 . In addition, since the marks 400f to 400i linked to the shipping boxes 20f to 20i are also processed in the same manner, the status of whether shipment is possible and the order of priority also change. [Shipment of box (formed parts) (transportation to downstream process)] (Step 9)
- FIG. 10(a) is a diagram showing a virtual stock place 220 on the display unit 310, and is a schematic diagram in the case of conspicuously displaying a portion corresponding to a shipping box 20a for which a transport instruction has been issued.
- symbol is used for the same structure as FIG.8(b) about Fig.10 (a).
- the recording/control unit 130 determines that the molded member 10 of the product type A is stored based on the information 410a to 410i on the display unit 310, and that the shipping possibility 1006 is "shippable” and the priority 1007 is "1". ” is automatically identified (extracted).
- the recording/control unit 130 refers to the database at the time of receiving the transport command, and extracts the mark 400a of the mailing box 20a when the state is as shown in FIG. 9B, for example.
- the recording/control unit 130 highlights information 410a indicating the marking 400a of the shipping box 20a (indicated by hatching in FIG. 10(a)), and other markings 400b to 400i.
- FIG. 10(b) is a diagram showing an image analysis screen 150a of the image analysis unit 150, and is a schematic diagram when the symbol (30a) for human recognition is written together with the mark 400a.
- symbol is attached
- a human-visible mark 30a which is a fourth mark, may be attached, which represents information about the mailing in a state that can be understood by a person.
- the recording/control unit 130 displays the barcode No. as a mark 400a near the mark 400a that can be understood by the worker X. "0001" of 1002 is displayed.
- the shipping box 20a can be easily found by human eyes.
- the shipping box 20a specified in this way is conveyed to a downstream process. (After shipment (delivery to downstream process))
- FIG. 11(a) shows the state of the stock place 120 after the shipping box 20a has been transported to the downstream process.
- the same components as in FIG. 7(a) are denoted by the same reference numerals.
- the mark reader 140 photographs the stock place 120 at predetermined time intervals. Therefore, as shown in FIG. 8(a), the state of the inventory space 120 is updated by image processing. That is, the image analysis unit 150 cannot find the mark 400a by image processing because the mark 400a does not exist. In this way, the image analysis unit 150 also determines whether or not the mark 400 is present as a result of image analysis of the photographed image of the stock place 120 .
- FIG. 11(b) is a schematic diagram showing the virtual inventory space 220 displayed on the display unit 310 corresponding to the state of FIG. 11(a).
- the recording/control section 130 updates the display on the display unit 310 as shown in FIG. 11(b).
- FIG. 12 is a database showing the state of FIG. 11(b).
- the recording/control unit 130 updates the information in the database as shown in FIG.
- the recording/control unit 130 updates the record with the reference number 1001 of "400a". That is, for the record with the label number 1001 of "400a", the shipping availability 1006 is changed to "shipped”, and the priority 1007 is updated to blank. Along with this, the priority order of the other same product types is also updated. For example, the record whose reference number 1001 is "400b" is updated, and the priority 1007 is updated from "2" to "1". As another method for updating the database, the recording/control unit 130 may monitor the status of the shipment availability 1006 at predetermined time intervals and update the priority order.
- Example 1 after step 6, the worker X transports the shipping box 20 to an arbitrary position in the inventory space 120, but this is not the only option.
- a mailing box may be transported to a predetermined position. Also, the mailing box may be transported using an automated guided vehicle (AGV) or a free transport vehicle. (If there is a movement of mailings within the inventory area)
- AGV automated guided vehicle
- FIG. 13 is a schematic diagram of the inventory place 120 when the shipping box 20h is moved, and a schematic diagram of the virtual inventory place 220 displayed on the display unit 310.
- FIG. 13 is a schematic diagram of the inventory place 120 when the shipping box 20h is moved, and a schematic diagram of the virtual inventory place 220 displayed on the display unit 310.
- the mark reading unit 140 takes pictures of the stock place 120 at predetermined time intervals. , the image of the virtual inventory 220 on the display unit 310 is also updated. Thereby, even if the position of the shipping box 20h is changed, the operator X can recognize the changed position.
- FIG. 14 is a diagram showing a database that is shared with a device that controls free carriages and the like. For example, in the state shown in FIG. 13, it is desirable to share a database with a device that controls free carts and the like so that the positions where the mailing boxes 20b to 20i are arranged as shown in FIG. 14 can be known.
- FIG. 14 is a diagram showing the database in this case.
- the coordinates XX, YY of the display virtual position information 1008 used for the display of the display unit 310 constructed in step 7 are the real coordinates XXX1 to XXX9 and YYY1 to the real coordinate system 1009 shared with the device controlling the free carrier. Apply the conversion formula to YYY9 and share.
- the real coordinate system 1009 is a coordinate system suitable for an automatic guided vehicle (AGV), a free guided vehicle, or the like to actually move in the inventory space 120, and is defined with a predetermined position as the origin. By doing so, the position where the actual shipping box 20 exists can be specified. Since the image captured by the mark reading unit 140 is distorted at the edges, the coordinates may be corrected in consideration of this distortion.
- a known method may be used as a method of correcting coordinates in consideration of image distortion.
- the recording/control unit 130 may associate the virtual coordinates with the information about the mailing box in the database, and the transport device may transport the mailing box based on the database. (For free location transportation)
- FIG. 15(a) is a schematic diagram showing the coordinates shared with the device that controls the free carrier.
- the position where the shipping box 20 is arranged is determined in advance, it may be as shown in FIG. 15(a). That is, in the inventory space 120a, placement positions P1 to P12 are arranged in a grid pattern as positions for placing forwarding boxes. Then, images are taken at the imaging positions of the mark reading unit 140y corresponding to the arrangement positions P1 to P12, and the presence or absence of the mark 400 is confirmed from the image captured by the image analysis unit 150.
- FIG. If there is a mark 400, the image analysis unit 150 transmits the information of the mark 400 to the recording/controlling unit 130, and the recording/controlling unit 130 registers the information in the database.
- the placement positions P1 to P12 for placing the shipping boxes 20 are determined in advance in the stock place 120a. Then, a case where, for example, a shipping box 20k having a mark 400k is arranged at the arrangement position P1 will be described.
- the mark reading unit 140y is set so that the arrangement position P1 and the arrangement position P4 are included in the photographing range 43a thereof.
- the image analysis unit 150 performs image processing on the captured image 155 to determine that the mark 400k is present at the arrangement position P1 of the image processing area 150y1. On the other hand, the image analysis unit 150 determines that there is no mark at the arrangement position P4 of the image processing area 150y2.
- FIG. 15(b) is a diagram showing a database corresponding to the state of FIG. 15(a).
- the marked reading unit 140y takes images of the stock place 120a while changing the image taking positions one after another in the image taking ranges 43a, 43b to 43f.
- the database of FIG.15(b) has barcode number.
- the database has columns of 1022 (eg 0001), type 1023 (eg K), aging time 1024 (eg 10) and completion time 1025 (eg 2110091000).
- the database has columns of shipping availability 1026 (for example, shipping failure) and priority 1027 .
- the real coordinate system of the placement position P1 may be stored in a device that controls the free carriage or the like. Of course, it is applicable even when there are more arrangement positions. (Step 10)
- the shipping box 20a is conveyed to the downstream process, the molded member 10 is taken out in the downstream process, and the shipping box 20a is emptied and returned to the inventory storage area 120. explain.
- FIG. 16(a) is a schematic diagram showing a state when the empty shipping box 20a is returned to the stock place 120.
- FIG. 16A when the mailing box 20a returns to the stock place 120, the image analysis unit 150 analyzes the image captured by the mark reading unit 140 to prepare for the mailing box 20a. It can be seen that the mark 400a has appeared in the inventory 120. FIG. The image analysis section 150 transmits this information to the recording/control section 130 .
- FIG. 16B is a diagram showing another database for backup.
- the recording/control unit 130 may separately store information as a backup in a storage unit (not shown) so that the history of the mark 400a can be tracked in the database.
- the backup database may be provided with an erasing time 1035 or the like to record the time when the mailing box 20a is emptied and returned to the inventory storage area 120, or the like. Note that a column of erasing time 1035 may be provided in the main database (the database described so far).
- Example 1 in the database for backup, "400a” is assigned to the label number 1031, and the barcode No. “0001” is recorded in 1032 , “A” is recorded in product type 1033 , and “2110091000” is recorded in completion time 1034 .
- all information may be stored in the main database, or a sub-database may be provided as a backup database as shown in FIG. 16(b).
- the time at which the shipping command was issued is, for example, 15:20, and the product is returned three hours after shipping.
- FIG. 17(a) is a diagram showing a database in which the record position information of the mark 400a has been deleted.
- the recording/control unit 130 records information registered in the record position "400a" with the reference number 1001, excluding information on the mailing, for example, information on the molded member 10. is erased, and the information on the mailing box 20a is left.
- the reference number 1001 "400a” and the barcode No. 1002 "0001" is left.
- the product type 1003, aging time 1004, completion time 1005, shipping possibility 1006, priority 1007, etc. are deleted.
- FIG. 17(b) is a diagram showing a database in which new information is recorded at the record position marked 400a.
- the injection molding machine 100 molds a new molded member (assumed to be a product type C), and the database becomes a database when the molded member of the product type C is stored in the shipping box 20a through steps 1 to 6. ing.
- "C" is newly registered in the type 1003, "6” in the aging time 1004, "2110091920” in the completion time 1005, and "shipping failure” in the shipping availability 1006. In this way, it is possible to reuse not only the mailing box 20a and the mark 400a, but also the records in the database corresponding to the mailing box 20a.
- Modified Example of Return Place for Empty Mailing Box 20a Modified Example of Return Place for Empty Mailing Box 20a
- FIG. 18(a) is a schematic diagram of the empty shipping box 20a returning to the empty box waiting position 110e.
- the returning empty mailing box 20a may be returned directly to the empty box standby position 110e where the empty mailing box is stored, for example, as shown in FIG. At this time, backup of information in the records of the database and deletion of information in a predetermined column may be performed in step 6.
- FIG. 18(a) a marked reading unit 140z may be installed at the empty box standby position 110e for processing.
- the marking 400a on the lid 21a of the shipping box 20a is photographed by the marking reading unit 140z, and after the image analyzing unit 150 analyzes the photographed image, the information in the database record is backed up and the information in the predetermined column is erased. you can go Furthermore, after the mark 400a is read by the mark reading unit 140z, the cover 21a is opened, and after confirming that the mailing box 20a is empty, the backup or erasure described above may be performed. [Modification]
- FIG. 18(b) is a diagram showing an example of a schematic diagram and a database when the main body of the shipping box 20p and the lid 21p are provided with marks 450p and 400p, respectively.
- the number of markings included in the mailing box is not limited to one.
- the shipping box 20p has a main body having a space for storing the molded member therein, and a lid 21p that covers the main body.
- the main body of the shipping box 20p is given a first mark 450p
- the lid 21p is given a third mark 400p indicating information about the lid 21p.
- the recording/control unit 130 may subordinate the information about the lid to the information about the box, or subordinate the information about the box to the information about the lid.
- the shipping box and the lid are configured separately as in the first embodiment, it is preferable to provide markings 450p and 400p for distinguishing between the shipping box 20p and the lid 21p, respectively.
- the main body of the shipping box 20p may be labeled 450p
- the lid 21p may be labeled 400p.
- the position at which the label is attached to the container body or lid (hereinafter referred to as the attachment position) may be any position.
- the database may be subordinate to either the marking 450p of the shipping box 20p or the marking 400p of the lid 21p as described above. However, it is desirable to mainly mark 450p on the side of the shipping box 20p where the molded member is actually put.
- the record number (postage) 1041 may be subordinated to the record number (cover) 1043, that is, registered as one of the columns. Specifically, "450p" is assigned to the marked number (mailing box) 1041, and the barcode No. indicated by the marked 450p. "0251" is the barcode number. 1042.
- the molded members to be stored are determined in advance in the label 450p on the side of the shipping box 20p where the molded members are actually put in, so the product type information may be incorporated in the label 450p.
- the system can be simplified by incorporating the information fixed to the mark 450p into the mark in advance.
- it is possible to prevent erroneous injection by collating the product type to be molded by the mold with the product type information incorporated in the mark 450p. (When the boxes are stacked and arranged)
- FIG. 19A is a diagram showing a schematic diagram and an example of a database when markings 450q, 450r, 400q, and 400r are provided on a plurality of shipping boxes 20q and 20r and lids 21q and 21r.
- a database as shown in FIG. 19A can be constructed for the forwarding box 20q and the lid 21q and the forwarding box 20r and the lid 21r as shown in FIG. 19A.
- the shipping box 20q is labeled 450q
- the lid 21q is labeled 400q.
- FIG. 19B is a diagram showing an example of a schematic diagram and a database when the shipping boxes 20q and 20r are stacked.
- the mark 400q attached to the lid 21q of the regular box 20q disappears. That is, even if the marked reading unit 140 photographs the mailing boxes 20q and 20r, the image analyzing unit 150 cannot recognize the markings 400q.
- the mark 450q of the shipping box 21q is placed at a visible position, so it is possible to obtain information about the state of the shipping box 20q from the mark 450q.
- the records in the database are roughly divided into columns of 1055 in the first row (top row) and 1056 in the second row, and the label numbers (cover) 1051 and 1053 and the bar code No. Build to have 1052, 1054.
- the first stage (uppermost stage) 1055 the mark number (cover) 1051 with "400r” and the barcode No. 1042, the bar code No. indicated by the mark 400r. "2054" is registered respectively.
- "400q" is displayed in the mark number (lid) 1053, and the bar code No. 1054, the bar code No. indicated by the mark 400q. "1069" is registered.
- the present invention can be similarly applied to the case where boxes 2000a to 2000aa having markings 2400a to 2400y are stacked on a pallet 2500 as shown in FIG. 31(a).
- the top notation 2400a, 2400d, 2400g, 2400j, 2400m, 2400p, 2400s, 2400v, and 2400y are linked in advance to the bottom notation.
- a kanban 2502 with a mark 2501 printed on it is placed on the top of the mailing box, and the top marks 2400a, 2400d of the mailing boxes 2000a to 2000aa stacked on the pallet 2500 are placed on the mailing box 2501.
- FIG. 20 is a diagram showing an example of a schematic diagram when the lids 21q and 21r are interchanged and a database before and after correction.
- the lids may be swapped.
- the shipping box 20q may be covered with the lid 21r
- the shipping box 20r may be covered with the lid 21q.
- the mark reading unit 140 captures the marks 450q and 400r of the shipping box 20q and the lid 21r, and the marks 450r and 400q of the shipping box 20r and the lid 21q. Analyze the results.
- the recording/control unit 130 compares the result of image analysis by the image analysis unit 150 with the current database. As a result, the recording/control unit 130 can determine that the replacement of the lid has occurred, and correct the information of the lid markings 400q and 400r on the database based on the markings 450q and 450r.
- the type of molded member can also be determined by the mold. That is, the injection molding machine 100 may have a mold with a second label containing information about the type of molded member.
- FIG. 21(a) is a schematic diagram of the mold 101d of the injection molding machine 100 provided with a second mark 470d. Therefore, as shown in FIG. 21A, the marking 470d provided on the mold 101d is imaged by the marking reading section 140, and the image analysis section 150 analyzes the image to specify the type of the molded member.
- the shape of the molded member and the shape/color of the mailing box are imaged by the mark reading unit 140, and the image analysis unit 150 analyzes the image to identify the product type from the characteristic shape and color of the molded member and/or the mailing box.
- the molded member may have a shape and/or color associated with information about the breed, and the breed information obtained accordingly.
- FIG. 21(b) is a diagram showing an example of the database when information on the molding history of the injection molding machine 100 is added.
- various information as shown in FIG. 21(b) may be added to the database shown in FIG. 5(c).
- the molding history such as molding conditions 1060, maximum injection pressure 1061, cushion amount 1062, and other molding logs may be extracted from the injection molding and registered in the database.
- general molded members are subjected to a predetermined inspection such as a sampling inspection after aging before being shipped. Therefore, the inspection information 1063 of the sampling inspection may be registered in the database.
- the recording/control unit 130 may associate the information on the inspection with the information on the mailing in the database.
- the inspection information 1063 may directly change the information in the database, but the target product type, molding date and time, and the inspection results are posted in a form that can be photographed by the mark reading unit 140, and the posted form is read by the mark reading unit 140.
- the database may be updated based on the captured images. Furthermore, information on which molding machine (mold) was used for molding, conventional lot (lot.) information, and the like may be added. (Modification 4. Extension of Embodiment 1)
- Figures 22A, B, and C are diagrams showing the configuration of a management system when there are a plurality of injection molding machines 100, 800 and a plurality of inventory locations 120, 120b-120d.
- FIGS. 22A, B, and C when a plurality of injection molding machines 100 and 800 are provided on the device side S1′ and there are a plurality of inventory locations 120, 120b, and 120c, or a wide inventory location 120d is Even if there is, the configuration of the first embodiment is applicable.
- the reading positions of the marked reading unit may be increased to a product type reading imaging position 40aa, a finished product reading imaging position 40bb, and inventory storage reading imaging positions 40d to 40g.
- the number of the mark reading units 140 may be increased to include the mark reading units 140a to 140d. By doing so, it is easily expandable. Furthermore, each device may be increased, such as the image analysis units 150 and 150', the recording/control units 130 and 130', the display units 310 and 310', and the servers 300 and 300' of the system side S2'.
- the molded members can be transported to another location without being directly provided with an identification section. It can be managed in units of one box, which is the minimum unit of transportation. Furthermore, by applying the configuration of the first embodiment, when a defect occurs in a molded member, molding can be performed within a temporal range centering on the shipping box based on the shipping information in which the molded member is stored. It is possible to specify the shipping box in which the members have been stored. Then, it becomes possible to compare the actual molded products before and after the defective product, and to efficiently identify the molded member that may have caused a specific defect without inspecting all the products. .
- Example 1 the operation screen 100b of the injection molding machine 100 is photographed by the mark reading unit 140 at the timing when the injection molding machine 100 molds the molding member, thereby acquiring information about the type of the molding member. For example, if the number of types of molded parts is small, at the timing when the shipping box containing the molded parts is placed in the inventory area, the label on the shipping box may be registered in the database in association with the information on the product type. good. Details are given below. [System configuration]
- FIG. 23 shows the configuration of the management system of the second embodiment.
- SS1 on the device side serves as an inventory place 620
- SS2 on the system side uses the same devices as in Embodiment 1, and the symbols used in FIG.
- the MELSEC-Q series manufactured by Mitsubishi Heavy Industries, Ltd. was used as the recording/control unit 131 .
- As the mark reading unit 141 VB-H45, which is NWC of Canon Inc. and is capable of panning, tilting, and zooming, is used.
- the image analysis unit 151 used Canon Industrial Imaging Platform (hereinafter referred to as CIIP) Vision Edition (hereinafter referred to as VE) of Canon Inc.
- CIIP Canon Industrial Imaging Platform
- VE Vision Edition
- the positions used in the system of the second embodiment include a storage position 621 (enclosed with a circled number 1 in FIG. 23) and a storage position 622 (enclosed with a circled number 2 in FIG. 14). That is, the shipping box in which the molding member is stored is placed at the warehousing position 621 or the warehousing position 622, which is the first position associated with the information about the product type, and the product type information is acquired according to the position.
- Positions used in the system include a parking position imaging position 41a (enclosed with a circled number 1 in FIG. 23) and a parking position imaging position 41b (enclosed with a circled number 2 in FIG. 23). In the following description, numbers in circles are omitted and are distinguished by symbols.
- Step 1 Acquisition of product type information
- FIG. 24(a) is a schematic diagram showing how the mark reading unit 141 reads the mark 550a and/or the mark 500a.
- a shipping box 200a containing molded members is transported to an inventory place 620.
- the mark reading unit 141 is fixedly installed at a position where the mark 500a provided on the lid 210a of the shipping box 200a can be photographed.
- the mark reading unit 141 may be installed movably, and in that case, the above-described position is registered in advance as the imaging position.
- the mark reading unit 141 photographs the vicinity including the shipping box 200 at the warehousing position imaging position 41a.
- 24B is a diagram showing an image processing screen 151a of the image analysis unit 151, and is a schematic diagram showing how image processing is performed when reading the mark 500a.
- the image captured by the mark reading unit 141 is sent to the image analysis unit 151, and the mark 500a is displayed on the image processing screen 151a of the image analysis unit 151 as shown in FIG. 24(b).
- the image analysis unit 151 captures the mark 500a in the image processing area 151c and recognizes it by performing image processing. record.
- Example 2 the time when the mark reading unit 141 photographed the mark 500a was defined as the completion time Tb as the information about the time and order of forming members.
- a shipping box containing molded members of type H is placed at the storage position 621
- a shipping box containing molded members of type G is placed at the storage position 622 . Therefore, the information of the product type H is registered in the database in the mark 500a of the shipping box 200 photographed by the mark reading unit 141 at the storage position imaging position 41a.
- the information of the product type G is registered in the database in the marking of the mailing box imaged by the marking reading unit 141 at the storage position imaging position 41b.
- the type information of the molding member is acquired according to the imaging position of the mark reading unit 141 .
- FIG. 24(c) is a diagram showing another example of product type information.
- the product type information 510a regarding the product type stored in the shipping box 200a is clearly written on the main body of the shipping box 200a (or the lid 210a), for example, "product type: H". good too.
- the product type information may be embedded in the mark 550a provided on the shipping box 200a into which the molded member is actually put.
- the marking method of the marking 500a may be changed for each product type. For example, a certain product type may be represented by a one-dimensional bar code 510, and another product type may be represented by a two-dimensional code 511. By dividing the type of mark, the product type may be specified.
- the product type information is obtained from the operation screen 100b of the injection molding machine 100 in the first embodiment, the product type information may be obtained based on the configuration related to the injection molding machine.
- the location/imaging position where the shipping box 200 (labeled 500a) is arranged is the warehousing position 621/the warehousing position imaging position 41a. Therefore, the recording/control unit 131 identifies "H" as the type information of the molded member stored in the shipping box 200 (marked 500a) based on the position information. At this time, a plurality of shipping boxes may be arranged at the warehousing position 621 and the warehousing position 622, and a plurality of marks may be read. (Step 2)
- FIG. 25(a) is a diagram showing an example of the database after the shipping box 200a has been placed in the stock place 620.
- the database of FIG. 25( a ) has one record for each reference number 1101 . Each record has a barcode number. 1102, product type 1103, aging time 1104, completion time 1105, shipping availability 1106, and priority 1107 are associated as attributes.
- the reference numeral 500a is used for the reference number 1101 for the sake of simplification of explanation.
- Example 2 the barcode No. indicated by the label 500a is added to the record with the label number 1101 of "500a”. "7889” is the barcode No. 1102 , and “H” indicated by the product type information is stored in the product type 1103 . Also, the completion time Tb is stored in the completion time 1105 in the record with the mark number 1101 of "500a”. An aging time T2 corresponding to the product type information is stored in the aging time 1104. FIG. In Example 2, for example, the completion time 1105 is set to "2110101000", and the aging time T2 of product type H is set to 5 hours after completion of warehousing.
- the completion time 1105 is represented by a list of numbers of year (lower two digits), month, day, hour, and minute, but may be changed according to the data to be handled. Also, the aging time T2 may vary depending on the type of molded member. At the stage when the information is stored in the database, the specified aging time has not passed, so "Shipment not permitted" is stored in the shipment availability 1106. FIG. After the database creation is completed as described above, the recording/control unit 131 stores the database in the server 301 connected via a LAN or the like as appropriate. (database registration process)
- FIG. 26 is a flow chart for explaining the process of registering (database-forming) information relating to mailings in the database according to the second embodiment.
- the system side SS 2 moves the mark reading unit 141 to the warehousing position 621 or the warehousing position 622 . It should be noted that when the marked reading unit 141 is fixedly arranged at the warehousing position 621 and the warehousing position 622, the processing of S201 may be skipped.
- the system-side SS2 captures an image of the inventory space 620 with the mark reading unit 141, analyzes the image with the image analysis unit 151, searches for the mark of the mailing, and determines whether or not the search has been completed. . If the system side SS2 determines in S202 that the search has not ended, the process returns to S202, and if it determines that the search has ended, the process proceeds to S203. It should be noted that the system side SS2 records the time when the photographing is performed by the mark reading section 141 . In S203, the system side SS2 acquires the type information of the molded member according to the storage positions 621 and 622 or the storage position imaging positions 41a and 41b. For example, if the mark reading unit 141 is photographing at the storage position imaging position 41b, the product type information is acquired as "G".
- the system side SS2 analyzes the label of the mailing by the image analysis unit 151 as a result of the search in S201. For example, the image analysis unit 151 analyzes that the mark is "500a” and identifies the barcode number of the mark 500a. to get Further, the system side SS2 acquires the completion time, which is the time when the photographing is performed by the mark reading unit 141 in S202. In S205, the system side SS2 registers the mark "500a" acquired in S204 as the mark number 1101 on the database by the recording/control unit 131. FIG. Note that if "500a" is already registered in the marked number 1101 of the database, the processing of S205 may be skipped.
- the system side SS2 registers the acquired information and the like in the record with the mark number 1101 of "500a" on the database, links the information on the mailing and the information on the molded member, and ends the process.
- the recording/control unit 131 stores the barcode No. acquired in S203 on the database. to bar code No. 1102, the product type information obtained in S203 is registered in the product type 1103, and the completion time obtained in S204 is registered in the completion time 1105.
- FIG. 25(b) is a schematic diagram showing a state in which the shipping boxes 200a to 200i are placed in the stock place 620.
- FIG. 25(b) nine boxes 200a to 200i were arranged.
- Each box may be arranged in a row such as a box 200a labeled 500a to a box 200d labeled 500d, or may be arranged randomly such as a box 200e labeled 500e to a box 200i labeled 500i. good.
- they may be arranged in a grid pattern suitable for free locations.
- Step 4 onwards is the same as Step 7 onwards of Example 1. Moreover, the modification described in the first embodiment can also be applied to the second embodiment. Therefore, description of these will be omitted.
- the recent IoT Internet Of Things
- the recent IoT Internet Of Things
- the injection molding machine has a mold, molds a molded member under predetermined molding conditions and a predetermined internal pressure in the mold, and transmits molding history information including the molding conditions and the internal pressure to the recording/control unit 132.
- the recording/control unit 132 associates the molding history information with the information regarding the forwarding in the database.
- the configuration of the management system of Example 3 is shown in FIG.
- the apparatus-side SSS1 is composed of an injection molding machine 900, a mold 901a, a molded member take-out robot 902a, and a molded member boxing device 910.
- the molding member boxing device 910 has a molding member delivery section 910a and a molding member storage robot 910b.
- Positions related to the device-side SSS1 are an empty box standby position 910e, a packing position 910c, and a packing completion position 910d.
- the inventory place has the same configuration as in the first and second embodiments.
- the system-side SSS 2 includes a recording/controller 132 , a mark reader 142 , an image analyzer 152 , a server 302 , a display unit 312 , and an internal pressure amplifier 162 .
- a position related to the system-side SSS 2 is the finished product reading and imaging position 42b.
- the injection molding machine 900 and the molding member storage robot 910b are connected to the recording/controlling unit 132 via a network or the like, and the internal pressure sensor 901b of the mold 901a is connected to the recording/controlling unit 132 via the internal pressure amplifier 162 via the network or the like. connected via
- the recording/control unit 132 used the MELSEC-Q series of Mitsubishi Heavy Industries, Ltd.
- VB-H45 which is NWC of Canon Inc. and is capable of panning, tilting, and zooming
- the image analysis unit 151 used Canon Industrial Imaging Platform (hereinafter referred to as CIIP) Vision Edition (hereinafter referred to as VE) of Canon Inc.
- CIIP Canon Industrial Imaging Platform
- VE Pressure measuring amplifier
- Example 3 a plurality of, for example, four molded members of the product type "J" are molded substantially simultaneously by the injection molding machine 900 and the mold 901a, and after they are automatically stored in a shipping box, various information is collected.
- a database is constructed by associating with a mark.
- the recording/control unit 132 associates information indicating each of a plurality of divided spaces, which will be described later, with information regarding a mailing, and associates information indicating a divided space with information regarding a molding member stored in the divided space.
- a cavity number (hereinafter referred to as cavity number) is generally used.
- cavity numbers are used, and the molding member 10j1 is cavity 1, the molding member 10j2 is cavity 2, the molding member 10j3 is cavity 3, and the molding member 10j4 is cavity 4.
- the shipping box 20s is partitioned by partitions 23s as shown in FIG. 4 x 3 columns) can be stored.
- the divided spaces partitioned by the partitions 23s and divided for storing the molding members 10j1 to 10j4 are respectively referred to as accommodation space positions Sp1 to Sp12.
- FIG. 28(a) is a schematic diagram showing how the molded member storage robot 910b stores the molded members 10j1 to 10j4 in the shipping box 20s. Specifically, as shown in FIG. 28(a), the molding member storage robot 910b stores the molding members 10j1 to 10j4 in the storage space positions Sp1 to Sp4 at the robot position Rp1 for the empty shipping box 20s.
- the molded member storage robot 910b stores the molded members 10j1 to 10j4 in the storage space positions Sp5 to Sp8 at the robot position Rp2. Finally, the molding member storage robot 910b stores the molding members 10j1 to 10j4 in the housing space positions Sp9 to Sp12 at the robot position Rp3.
- FIG. 28(b) is a diagram showing a state in which the forming members 10j1 to 10j4 are stored in the storage space positions Sp1 to Sp4 of the shipping box 20s and the mark 400s on the lid 21s of the shipping box 20s.
- information is registered in the database using the operation of the molded member storage robot 910b.
- the storage of the molded members is customarily ordered (for example, regardless of the type of product to be molded, the storage order is from the upper left of the appropriately arranged shipping box), the storage space There is no problem even if the position Sp is excluded from the DB.
- FIG. 29A is a diagram showing an example of a database in which information such as the molding history of the injection molding machine 900 is associated.
- the recording/control unit 132 Upon receiving the signal that the molding member storage robot 910b is at the robot position Rp1, the recording/control unit 132 records it in the database as shown in FIG. 29A.
- each column of one record associated with the reference number 1071 is configured as follows. That is, one record contains barcode numbers. 1072, Sp 1078, work ID 1079, product type 1073, cabinet number 1080, aging time 1074, completion time 1075. Also, one record includes internal pressure 1081, maximum injection pressure 1082, internal pressure inspection 1083, shipping availability 1076, priority 1077, and the like.
- Example 3 the time when molding was actually completed, the date of molding, and the order of molding (shot number) received from the injection molding machine 900 were defined as information on the time and order of the molded member.
- the recording/controlling unit 132 receives various information from the injection molding machine 900 and the internal pressure amplifier 162 connected via a network or the like. For example, it is a signal output when molding of the molding members 10j1 to 10j4 is completed (hereinafter referred to as a molding completion signal), information on maximum injection pressure, internal pressure data, and the like. Then, the recording/control unit 132 associates the received various data with the records of the accommodation space positions Sp1 to Sp4. In Example 3, the aging time is 6 hours for the type "J" molded part.
- the target accommodation space positions are Sp1 to Sp4.
- the recording/control unit 132 stores "1" for the accommodation space position Sp1 in the database Sp1078, and the work ID 1079 includes the molding date and a number indicating the molding order (shot number) added to the molding date.
- the work ID 1078 stores "2105310001" as the workpiece 0001 formed on May 31, 2021.
- the shot number may be the order in which molded members are stored, the order in which work IDs are generated, or the like.
- the recording/control unit 132 sequentially stores the data received from the injection molding machine 900 and the internal pressure amplifier 162 .
- the recording/control unit 132 stores “J” in the product type 1073 and “1” in the cab number 1080 . This is because the molding member 10j1 is stored in the housing space position Sp1.
- the recording/control unit 132 stores "6" as the aging time 1074 corresponding to the product type "J".
- the completion time 1075 the recording/control unit 132 stores the actual molding completion time "2105311000" received from the injection molding machine 900.
- the completion time 1075 is represented by a list of numbers of year (lower two digits), month, day, hour, and minute, but may be changed according to the data to be handled.
- the recording/control unit 132 stores “20” of 20 MPa received from the internal pressure amplifier 162 as the internal pressure 1081 and stores “30” of 30 MPa received from the injection molding machine 900 as the maximum injection pressure 1082 .
- the internal pressure threshold is set to "15 or more is OK", so the recording/control unit 132 stores "OK” in the internal pressure inspection 1083, and since the specified aging time has not passed, it is determined whether or not the product can be shipped.
- a field 1076 stores "not shipped”.
- the molded member storage robot 910b sequentially moves from robot position Rp1 to Rp2 to Rp3, so that the database is sequentially updated according to the movement, and the shipping box 20s in which the molded members 10j1 to 10j4 have been stored has a lid. 21s is done. (Step 3)
- the shipping box 20s is transferred to the boxing completion position 910d shown in FIG. (Step 4)
- the mark 400s provided on the lid 21s of the shipping box 20s transferred to the packing completion position 910d is imaged by the mark reading unit 142 and image analysis is performed by the image analysis unit 152 in the same manner as in step 4 of the first embodiment.
- the recording/control unit 132 records that the storage of the molding members 10j1 to 10j4 in the shipping box 20s (marked 400s) has been completed. (Step 5)
- FIG. 29B is a diagram showing an example of a database in which information such as the molding history of the injection molding machine 900 is associated with the mark 400s. Specifically, as shown in FIG. 29B, the mark 400s is added to the mark number 1071, and the barcode No. 1072 has a bar code No. indicated by 400s. "1000" is stored. By doing so, as shown in FIG. 29B, the storage space position Sp can be used to associate the molding history and the like for each work. Note that the mark 400s may be read at the time of storage of the molded member in step 2 and related to the database in advance. Step 6 and subsequent steps are the same as those in Example 1, and description thereof is omitted.
- Examples 1 to 3 by sharing the database with the downstream assembly process, etc., it is possible to trace the molded member, molding history, etc. later.
- Examples 1 and 2 it is possible to track the time and order of molded members for each box.
- the molding history and the like for each molded member in addition to tracking information regarding the time and order of molded members for each box.
- Example 3 By associating the work ID 1079 with the product, for example, as shown in FIG. 29B, some records registered in Sp 1078 "12” have an internal pressure inspection 1083 of "NG".
- the maximum injection pressure 1082 of Sp1078 "12” is "29", which is the same as the previous molding member (Sp1078 is "11").
- the corresponding molded member can be retrieved by the work ID 1079 read from the two-dimensional code stamped on the product. can be traced from
- the shipping box for storing the molded members is provided with a mark, and the marking is associated with information about the type of molded member and the time and order of the molded member.
- the marking is associated with information about the type of molded member and the time and order of the molded member.
- FIG. 30(a) shows the database described in FIG. 5(c) with a column of resin lot 1206 added.
- the columns of the database are labeled number 1201, barcode number. 1202 , product type 1203 , aging time 1204 , completion time 1205 , resin lot 1206 , shipping availability 1207 , priority 1208 .
- a resin lot column can be added to the various databases described above.
- the resin material used for the molded parts may vary from lot to lot.
- the resin material is reduced during the molding process by the injection molding machine, and is replenished with another lot of resin material. That is, the resin material may be switched.
- switching of resin materials was managed only by individual recording by workers. For this reason, when the defect of the molded member is caused by the resin material (for example, the quality of the resin material itself, the change of the resin material, etc.), it is difficult to identify the molded member molded by the resin material. there were.
- FIG. 30(b) is a diagram showing the hopper 101c of the injection molding machine 100 and the resin material replenishment position 109c.
- the injection molding machine 100 has a hopper 101c, which is a tank into which resin is introduced, and the resin is supplied from the hopper 101c to the mold 101a.
- the operator opens the bag 109 filled with the resin material and puts the resin material into the hopper 101c. It is assumed that information 109 a indicating at least the lot number of the resin material is displayed on the bag 109 so that it can be read by the mark reading unit 143 .
- the mark reading unit 143 photographs the information 109a of the bag 109 located at the resin material replenishment position 109c at the resin lot reading imaging position 42a.
- An image analysis unit (not shown) acquires resin lot information 109 a by analyzing the image captured by the mark reading unit 143 .
- the time at which the resin lot information 109a is acquired is defined as the lot switching time of the resin material. If there is a predetermined time lag before the injected resin contributes to the actual molding, the lot switching time may be determined by adding the time corresponding to the time lag to the photographing time.
- the acquired resin lot information and resin lot switching time are temporarily stored in a storage area (not shown), for example, acquired together with other information during the process of S106 in FIG. It may be registered in a predetermined record.
- the information on the resin lot is not limited to the structure photographed by the mark reading unit 142 .
- the operation panel 100a of the injection molding machine 100 may be provided with input means such as a keyboard, a mouse, various buttons, and a touch panel.
- the resin lot information may be input by the operator through the input means, or the button indicating that the resin material has been replenished may be pressed, and the time when the input or the time when the button is pressed may be used as the resin lot switching time.
- both the resin lot 1206 and the switching time may be registered in the database, or only the switching time may be registered.
- the resin material replenishment position 109c may also serve as a position for replacing the resin material.
- the type and name of the resin may also be registered.
- the predetermined time is associated with the molded member (marked) and registered in the database. back.
- bags of resin material are generally stored in a resin storage area. For this reason, the configuration applied to the shipping box described above may be applied as it is to the management of the resin material bags stored in the resin storage area.
- a management system that can manage molded members in units of boxes.
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Abstract
Description
[実施例1]
[システム構成]
〔1〕時間に関する情報は、
成形された時の型開閉時間、射出・保圧時間、成形完了時間、取出し時間などの成形に関わるプロセス時間の開始若しくは完了時間や、成形部材を通函へ格納した時間、成形部材の通函への箱詰めが開始若しくは完了した時間、通函が在庫置き場に到着及び配置された時間、成形日時や成形部材によって決まるエージング時間、その成形部材の情報をDBへ格納するワークID等が生成された時間など、その成形部材に関する時間で定義される。
成形部材のショット番号(成形の順番)や成形部材を通函へ箱詰めする順番、成形部材の箱詰めが完了した順番等で定義される。例えば、〔1〕時間情報のみの場合は、成形部材の箱詰め完了時間が年月日+時分秒で定義されればその情報だけで格納された成形部材の成形した順番が分かる。
[射出成形機]
[在庫置き場に配置されるまでのデータベースの作成処理]
(工程1)
(工程2)
(工程3)
(工程4)
(データベース登録処理)
(工程5)
(データベース)
(工程6)
[在庫置き場に配置された後のデータベースの更新処理]
(工程7)
[ある通函20が完成してから所定時間が経過した後について]
(工程8)
(通函20a完成から3時間経過後)
(通函20a完成から3時間20分経過後)
[通函(成形部材)の出荷(下流工程への搬送)]
(工程9)
(出荷(下流工程への搬送)後)
(在庫置き場内で通函の移動があった場合)
(フリーロケーション搬送の場合)
(工程10)
(空になった通函20aの返却場所の変形例)
[変形例]
(変形例1.標記の数)
(通函を積み重ねて配置した場合)
(2つの通函で、蓋が入れ替わってしまった場合)
(変形例2.品種の取得方法)
(変形例3.データベース化する情報について)
(変形例4.実施例1の拡張)
[実施例2]
[システム構成]
(工程1:品種情報の取得)
(工程2)
(データベース登録処理)
(工程3)
(工程4)
[実施例3]
[システム構成]
(工程1)
(工程2)
[データベースの構築]
もちろん、従来のロット(lot.)管理の情報とショット番号を組み合わせた管理でもなんら問題は無い。
(工程3)
(工程4)
(工程5)
[樹脂材料のロットの管理]
Claims (25)
- 射出成形機により成形された成形部材が格納される少なくとも1つの箱に格納された前記成形部材を管理する管理システムであって、
前記箱には少なくとも前記箱に関する情報を示す、少なくとも1つの第1標記が付されており、
前記箱を撮像する第1撮像手段と、
前記第1撮像手段により撮像された前記箱の前記第1標記の画像を解析し、前記箱に関する情報を取得する取得手段と、
前記取得手段により取得された前記箱に関する情報と、前記成形部材の時間に関する情報及び順番に関する情報の少なくとも一方と、を紐づけて、データベースを構築する構築手段と、を備える管理システム。 - 前記射出成形機は、少なくとも前記成形部材の品種に関する情報を表示する第1表示部を有し、
前記第1撮像手段は、前記第1表示部を撮像し、
前記取得手段は、前記第1撮像手段により撮像された前記第1表示部の画像を解析し、前記品種に関する情報を取得し、
前記構築手段は、前記データベースにおいて前記品種に関する情報を前記箱に関する情報に紐づける請求項1に記載の管理システム。 - 前記射出成形機は、少なくとも前記成形部材の品種に関する情報を表示する第1表示部を有し、
前記第1表示部を撮像する、前記第1撮像手段とは異なる第2撮像手段を備え、
前記第2撮像手段は、前記第1表示部を撮像し、
前記取得手段は、前記第2撮像手段により撮像された前記第1表示部の画像を解析し、前記品種に関する情報を取得し、
前記構築手段は、前記データベースにおいて前記品種に関する情報を前記箱に関する情報に紐づける請求項1に記載の管理システム。 - 前記射出成形機は、前記成形部材の品種に関する情報を含む第2標記が付された金型を有し、
前記第1撮像手段は、前記金型を撮像し、
前記取得手段は、前記第1撮像手段により撮像された前記金型の前記第2標記の画像を解析し、前記品種に関する情報を取得し、
前記構築手段は、前記データベースにおいて前記品種に関する情報を前記箱に関する情報に紐づける請求項1に記載の管理システム。 - 前記射出成形機は、前記成形部材の品種に関する情報を含む第2標記が付された金型を有し、
前記金型を撮像する、前記第1撮像手段とは異なる第2撮像手段を備え、
前記第2撮像手段は、前記金型を撮像し、
前記取得手段は、前記第2撮像手段により撮像された前記金型の前記第2標記の画像を解析し、前記品種に関する情報を取得し、
前記構築手段は、前記データベースにおいて前記品種に関する情報を前記箱に関する情報に紐づける請求項1に記載の管理システム。 - 前記成形部材が格納された前記箱は、品種に関する情報に関連付けられた第1位置に置かれ、
前記第1撮像手段は、前記第1位置を撮像し、
前記取得手段は、前記第1撮像手段により撮像された前記第1位置を解析し、前記品種に関する情報を取得し、
前記構築手段は、前記データベースにおいて前記品種に関する情報を前記箱に関する情報に紐づける請求項1に記載の管理システム。 - 前記成形部材が格納された前記箱は、品種に関する情報に関連付けられた第1位置に置かれ、
前記第1位置を撮像する、前記第1撮像手段とは異なる第2撮像手段を備え、
前記第2撮像手段は、前記第1位置を撮像し、
前記取得手段は、前記第2撮像手段により撮像された前記第1位置を解析し、前記品種に関する情報を取得し、
前記構築手段は、前記データベースにおいて前記品種に関する情報を前記箱に関する情報に紐づける請求項1に記載の管理システム。 - 前記成形部材は、品種に関する情報に関連付けられた形状及び/又は色を有し、
前記箱は、前記品種に関する情報に関連付けられた形状及び/又は色を有し、
前記第1撮像手段は、前記成形部材及び/又は前記箱を撮像し、
前記取得手段は、前記第1撮像手段により撮像された前記成形部材及び/又は前記箱の画像を解析し、前記品種に関する情報を取得し、
前記構築手段は、前記データベースにおいて前記品種に関する情報を前記箱に関する情報に紐づける請求項1に記載の管理システム。 - 前記成形部材は、品種に関する情報に関連付けられた形状及び/又は色を有し、
前記箱は、前記品種に関する情報に関連付けられた形状及び/又は色を有し、
前記成形部材及び/又は前記箱を撮像する、前記第1撮像手段とは異なる第2撮像手段を備え、
前記第2撮像手段は、前記成形部材及び/又は前記箱を撮像し、
前記取得手段は、前記第2撮像手段により撮像された前記成形部材及び/又は前記箱の画像を解析し、前記品種に関する情報を取得し、
前記構築手段は、前記データベースにおいて前記品種に関する情報を前記箱に関する情報に紐づける請求項1に記載の管理システム。 - 前記第2撮像手段は、ネットワークに接続されたカメラである請求項3、請求項5、請求項7、請求項9のいずれか1項に記載の管理システム。
- 前記構築手段は、前記品種に関する情報と前記時間に関する情報及び順番に関する情報の少なくとも一方とに基づいて、前記箱を出荷する優先順位を決定し、前記データベースにおいて前記優先順位を前記箱に関する情報に紐づける請求項2から請求項10のいずれか1項に記載の管理システム。
- 前記射出成形機は、金型を有し、所定の成形条件、前記金型内の所定の内圧により前記成形部材を成形し、前記成形条件、前記内圧を含む成形履歴情報を前記構築手段に送信し、
前記構築手段は、前記データベースにおいて前記成形履歴情報を前記箱に関する情報に紐づける請求項2から請求項11のいずれか1項に記載の管理システム。 - 前記箱に格納された前記成形部材は、所定の検査が実施され、
前記構築手段は、前記データベースにおいて前記検査に関する情報を前記箱に関する情報に紐づける請求項2から請求項12のいずれか1項に記載の管理システム。 - 前記成形部材は、樹脂材料を用いて成形され、
前記第1撮像手段は、前記樹脂材料のロットに関する情報が付され、前記樹脂材料が保持された袋を撮像し、
前記取得手段は、前記第1撮像手段により撮像された前記袋の画像を解析し、前記ロットに関する情報を取得し、
前記構築手段は、前記データベースにおいて前記ロットに関する情報及び/又は前記ロットに関する情報を取得した時間を前記箱に関する情報に紐づける請求項2から請求項13のいずれか1項に記載の管理システム。 - 前記第1撮像手段は、複数の前記箱が置かれた第1場所を撮像し、
前記取得手段は、前記第1撮像手段により撮像した前記第1場所の前記複数の箱のそれぞれの前記第1標記に基づいて、前記複数の箱の座標を求め、前記座標を仮想空間における仮想座標に変換し、
前記仮想空間を表示する画面を有し、前記画面に前記仮想座標を用いて前記複数の箱に応じた画像を表示する第2表示部を備える請求項2から請求項14のいずれか1項に記載の管理システム。 - 前記箱を搬送する搬送装置を備え、
前記第1撮像手段は、複数の前記箱が置かれた第1場所を撮像し、
前記取得手段は、前記第1撮像手段により撮像した前記第1場所の前記複数の箱のそれぞれの前記第1標記に基づいて、前記複数の箱のそれぞれの座標を求め、前記座標を仮想空間における仮想座標に変換し、
前記構築手段は、前記データベースにおいて前記仮想座標を前記箱に関する情報に紐づけ、
前記搬送装置は、前記データベースに基づいて前記箱を搬送する請求項2から請求項14のいずれか1項に記載の管理システム。 - 複数の前記箱は第1場所に置かれるものであり、
前記第1場所には、前記箱を配置する位置が予め格子状に決められており、
前記構築手段は、前記データベースにおいて前記格子状に決められた位置を前記箱に関する情報に紐づける請求項2から請求項14のいずれか1項に記載の管理システム。 - 複数の前記成形部材は、同一の形状であり、
複数の前記箱は、同一の形状である請求項2から請求項14のいずれか1項に記載の管理システム。 - 前記箱は、内部の空間を、複数の前記成形部材を格納するために複数の分割空間に分けるための仕切りを有し、
前記構築手段は、前記データベースにおいて、前記複数の分割空間の各々を示す情報を前記箱に関する情報に紐づけ、前記分割空間を示す情報を前記分割空間に格納された前記成形部材に関する情報に紐づける請求項18に記載の管理システム。 - 前記構築手段は、前記箱から前記成形部材が取り出され、前記箱が空になると、前記データベースにおいて前記箱に関する情報を除いた情報を削除する請求項1から請求項19のいずれか1項に記載の管理システム。
- 前記箱は、内部に前記成形部材を格納する空間を有する本体と、前記本体に被せられる蓋と、を有し、
前記本体には、前記第1標記が付され、
前記蓋には、前記蓋に関する情報を示す第3標記が付され、
前記構築手段は、前記データベースにおいて、前記蓋に関する情報を前記箱に関する情報に従属させて、又は、前記箱に関する情報を前記蓋に関する情報に従属させて、紐づける請求項1から請求項20のいずれか1項に記載の管理システム。 - 前記時間に関する情報とは、前記射出成形機により前記成形部材が成形されたときの型開閉時間、射出・保圧時間、成形完了時間、取出し時間を含む成形に関わるプロセス時間の開始若しくは完了時間、前記成形部材の前記箱への箱詰めが開始若しくは完了した時間、前記箱が所定の場所に到着及び配置された時間、前記成形部材の情報を前記データベースへ格納するためのIDが生成された時間、又はこれらの時間と前記成形部材によって決まるエージング時間であって、
前記順番に関する情報とは、前記成形部材のショット番号や前記成形部材を前記箱へ箱詰めする順番、前記成形部材の箱詰めが完了した順番を含む請求項1から請求項21のいずれか1項に記載の管理システム。 - 前記第1標記は、文字、図形、記号、色、1次元バーコード若しくは2次元コード又はこれらの組み合わせを含む請求項1から請求項22のいずれか1項に記載の管理システム。
- 前記第1標記の近傍に、前記箱に関する情報を人により理解可能な状態で表す第4標記が付されている請求項23に記載の管理システム。
- 前記第1撮像手段は、ネットワークに接続されたカメラである請求項1から請求項24のいずれか1項に記載の管理システム。
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| US20240193385A1 (en) | 2024-06-13 |
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