EP3693303A2 - Système de pré-traitement de rouleau de matériau - Google Patents

Système de pré-traitement de rouleau de matériau Download PDF

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Publication number
EP3693303A2
EP3693303A2 EP20154232.1A EP20154232A EP3693303A2 EP 3693303 A2 EP3693303 A2 EP 3693303A2 EP 20154232 A EP20154232 A EP 20154232A EP 3693303 A2 EP3693303 A2 EP 3693303A2
Authority
EP
European Patent Office
Prior art keywords
material roll
arrangement according
roll
web
roll preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20154232.1A
Other languages
German (de)
English (en)
Other versions
EP3693303A3 (fr
Inventor
Karl Ruhland
Martin RUHLAND
Thomas Huber
Tobias Hofmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BHS Intralogistics GmbH
Original Assignee
BHS Intralogistics GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BHS Intralogistics GmbH filed Critical BHS Intralogistics GmbH
Publication of EP3693303A2 publication Critical patent/EP3693303A2/fr
Publication of EP3693303A3 publication Critical patent/EP3693303A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/28—Splitting layers from work; Mutually separating layers by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
    • B31F1/2863—Corrugating cylinders; Supporting or positioning means therefor; Drives therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0025—Removing or cutting binding material, e.g. straps or bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/102—Preparing the leading end of the replacement web before splicing operation; Adhesive arrangements on leading end of replacement web; Tabs and adhesive tapes for splicing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/105—Opening of web rolls; Removing damaged outer layers; Detecting the leading end of a closed web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/20—Cutting-off the expiring web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/415—Unwinding
    • B65H2301/41505—Preparing unwinding process
    • B65H2301/41508—Preparing unwinding process the web roll being in the unwinding support / unwinding location
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/463—Splicing splicing means, i.e. means by which a web end is bound to another web end
    • B65H2301/4633—Glue
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/21—Angle
    • B65H2511/212—Rotary position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00—Actuating means
    • B65H2555/30—Multi-axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • B65H2701/1762—Corrugated

Definitions

  • the invention relates to a material roll preparation arrangement for preparing a material roll for further processing, in particular in a corrugated cardboard plant.
  • the invention is also directed to an overall system with such a material roll preparation arrangement.
  • the invention is directed to a method for preparing a roll of material for further processing, in particular in a corrugated cardboard plant.
  • the invention is based on the object of providing a material roll preparation arrangement which is capable of reducing the production costs for the production of paper, (corrugated) cardboard or the like or webs from these. Furthermore, a roll of material prepared in this way should be able to be further processed in a particularly functionally reliable manner. A corresponding overall system and a corresponding process are also to be supplied.
  • the essence of the invention lies in at least one material roll preparation device which is capable of efficiently and functionally reliably preparing a material roll for further processing.
  • Preparing the roll of material includes, for example, unpacking or exposing the same, removing or destroying at least one fixation that fixes a free material web section to prevent unwinding, removing at least one strapping element, removing a damaged material web section from the material roll, creating a defined final contour or Edge for further processing on the material web, attaching at least one adhesive piece, such as splicing tape, to the material web and / or fixing an end-side material web section.
  • at least one adhesive piece such as splicing tape
  • the material web is preferably acted upon in at least one step.
  • the material web preferably remains unaffected in at least one other step.
  • the roll of material is prepared in the roll of material preparation arrangement for use in a splicing device.
  • the roll of material is preferably securely held in the receiving device and can be prepared.
  • the receiving device allows particularly good and simple preparation of the roll of material.
  • the roll of material can be pivoted or driven in rotation about its central axis by means of the rotating device.
  • the roll of material can thus be pivoted with respect to the at least one roll of material preparation device, for example, so that this roll of material preparation device is able to begin its work.
  • the roll of material is pivoted or rotated by means of the rotating device, for example during its preparation.
  • the rotary device preferably comprises at least one rotary drive which is in direct or indirect drive connection with the roll of material.
  • the spaced-apart arrangement of the roll of material relative to a floor, such as a hall floor, according to dependent claim 3, ensures particularly good handling and, in particular, complete accessibility of the roll of material during preparation. Furthermore, the roll of material then already assumes a position, for example, which it will later also assume during its further processing. The roll of material then extends horizontally. Alternatively, the roll of material is arranged, for example, upright in the receiving device.
  • the configuration according to dependent claim 4 in particular prevents damage to the roll of material during its preparation.
  • the preparation can also be carried out in a particularly reliable and high-quality manner.
  • the aligning device is capable, for example, of an axial displacement along the roll of material between the receiving device and bring about the roll of material.
  • the alignment device is able to reduce or resolve an inclined position between the receiving device and the received roll of material.
  • the receiving device comprises, for example, at least one holding mandrel which engages in the roll of material or in its central support sleeve. Conveniently, there are two opposing holding pins which engage in the roll of material or in its support sleeve.
  • the receiving device preferably has at least one displaceable alignment unit, which preferably acts directly or indirectly on at least one holding mandrel.
  • the pick-up device according to dependent claim 5 is able to pick up the roll of material to be prepared, in particular completely, automatically, automatically or independently. Labor is no longer necessary. In particular, there are no working hours. Such a receiving device is particularly economical and functionally reliable.
  • the material roll preparation device according to dependent claim 6 is also particularly economical and functionally reliable. Manpower is unnecessary in the preparation. There are no working hours. It is expedient if, in the case of several material roll preparation devices, at least one, preferably at least some, preferably all, of the material roll preparation devices, in particular completely, works in an automated or automatic manner.
  • the material roll detection device is designed, for example, as a camera, sensor or the like. It is, for example, able to determine a state of the recorded, in particular processed, To check material web section.
  • the material roll detection device preferably works without contact.
  • the material roll preparation device is able, in particular automated, to free the material roll from the at least one strapping element, which is usually used as a transport lock and is preferably designed as a strapping band.
  • the at least one strapping element preferably runs circumferentially around the roll of material and forms a ring. It is, for example, flexible and made of plastic, metal or the like. It is useful if the roll of material is originally strapped by a plurality of axially spaced strapping elements.
  • the strapping element recognition device works, for example, without contact. It is preferably designed as a camera, sensor or the like.
  • the at least one strapping element can be identified by measuring the contour of the roll of material and / or scanning its surface. In particular, their location or position can be recognized.
  • the strapping element slicing unit according to dependent claim 10 is formed, for example, by a cutter, blade or the like. Alternatively, this works without contact, for example with a laser. It is expedient if the strapping element cutting unit is in signal connection with the strapping element recognition device so that the strapping element cutting unit can be displaced to the recognized strapping element.
  • the material roll preparation device is able, in particular in an automated manner, to remove the side covers covering the end of the roll of material.
  • the side covers are designed as circular blanks, for example.
  • the side covers are also usually used to protect the roll of material during transport.
  • the side covers are formed from a plastic material, for example.
  • the side cover separating blade unit according to dependent claim 12 is preferably capable, in particular automatically, of removing the side covers without damaging the actual roll of material. It is advantageous if the roll of material rotates around its central axis when the side covers are removed.
  • the material roll preparation device is able, in particular in an automated manner, to remove protective plugs which are located in the central support sleeve and serve to protect the material roll during transport.
  • the protective plugs preferably have a circular or annular cross section.
  • the material roll preparation device is suitable, in particular automated, for peeling off or removing an end-side or edge-side material web section of the material roll.
  • an end-side or outer material web section is affected during the transport of the roll of material and has damage such as scratches, cracks, dents or the like, so that it is unusable.
  • the lifting device according to dependent claim 15 preferably has a suction or vacuum unit and / or at least one lifting mandrel in order to lift off the end-side material web section in areas.
  • the discharge transport device comprises, for example, at least one discharge roller, at least one conveyor belt, a chute or the like.
  • the quality test device is able to test the quality of the removed material web section.
  • the quality testing device is able to detect damage to the, in particular unwound, material web section. It is expedient if the quality testing device comprises an in particular electrical or electronic peeling computing unit.
  • the configuration according to dependent claim 19 is particularly economical. In particular, it can thus be avoided that too much material web is removed from the material roll.
  • the material roll preparation device is able, in particular automated, to generate an end contour in the material web across its width. It ensures that the roll of material continues to be used in a particularly reliable and error-free manner.
  • the end contour is limited or formed, for example, by at least one end edge which is straight and / or curved at least in some areas.
  • the final contour generating device according to dependent claim 21 is designed as a final contour cutting device or a final contour punching device. Such a final contour generating device is extremely reliable and economical. It can be separate or part of a material roll preparation device.
  • the splice piece according to dependent claim 22 is preferably designed as a splicing tape, which is preferably adhesive on both sides. It is expedient if the splice attachment device, in particular in an automated manner, attaches the at least one splice piece to the free material web section adjacent to a free end or to a generated end contour.
  • the prepared roll of material can preferably be used in the splicing device without further processing.
  • the splice attachment device has a splice storage device and preferably a splice pressing device for pressing the splice against the roll of material or its free material web section. It is advantageous if the splice attaching device comprises an actuatable severing device for severing the splice.
  • the material roll preparation device enables safe transport of the prepared material roll. In particular, it can thus be avoided that the material web unintentionally unwinds.
  • the material web fixing device is designed, for example, as an adhesive device or adhesive piece attaching device. It is preferably capable, in particular in an automated manner, of attaching at least one piece of adhesive to the free material web section and to a material web section arranged underneath that is adjacent to the material roll. For this purpose, the at least one adhesive piece preferably projects beyond a free end of the free material web section.
  • the adhesive piece application device has an adhesive piece storage device and preferably an adhesive piece pressing device for pressing the adhesive piece onto the free material web section and the adjacent material web section arranged below. It is advantageous if the adhesive piece attachment device comprises an actuatable severing device for separating the adhesive piece.
  • the material roll preparation arrangement comprises a plurality of the material roll preparation devices.
  • a roll of material preparation arrangement is particularly economical. It is useful if several of the material roll preparation devices, preferably all of the material roll preparation devices, are formed by at least one robot, preferably precisely one robot.
  • the robot is preferably designed as an articulated arm and / or portal robot. It preferably has a working arm with at least one tool holder.
  • the robot is preferably multifunctional. It is useful if the strapping element removal device, side cover removal device, protective plug removal device, lifting device of the peeling device, splice attachment device, adhesive attachment device and / or material web fixing device use the robot or is / are formed by the robot.
  • the material roll preparation devices preferably all of the material roll preparation devices, are designed separately and independently of one another.
  • each interchangeable tool has a coupling piece that allows the interchangeable tool to be coupled to a tool holder of the robot. It is useful if each change tool can be firmly connected to the robot. The robot is preferably able to pick up the respective changing tool automatically or alone.
  • FIG. 1 The overall system shown in its entirety comprises a corrugated cardboard system 1 and precisely one material roll preparation system 2 arranged adjacent to this for preparing material rolls 3 for use in the corrugated cardboard system 1.
  • the corrugated cardboard plant 1 extends in a straight line. It has a first corrugated cardboard manufacturing device 4 for manufacturing a first web of corrugated cardboard laminated on one side.
  • a first cover web splicing device 5 and a first intermediate web splicing device 6 are arranged upstream of the first corrugated board manufacturing device 4.
  • the first cover web splicing device 5 comprises a first unwinding unit for unrolling a finite first cover web from a first cover web roll and a second unwinding unit for unrolling a finite second cover web from a second cover web roll.
  • the finite first cover sheet and second cover sheet are connected to one another by means of a connecting and cutting unit of the first cover sheet splicing device 5 in order to provide an endless first cover sheet.
  • the first intermediate web splicing device 6 is designed corresponding to the first cover web splicing device 5. This comprises a third unwinding unit for unrolling a finite first intermediate web from a first intermediate web roll and a fourth unwinding unit for unrolling a finite second intermediate web from a second intermediate web roll.
  • the finite first intermediate web and the second intermediate web are connected to one another by means of a connecting and cutting unit of the first intermediate web splicing device 6 in order to provide an endless first intermediate web.
  • the endless first cover web and the endless first intermediate web are fed to the first corrugated board manufacturing device 4.
  • the first corrugated cardboard production device 4 comprises a first corrugated roller arrangement with a first corrugated roller and a second corrugated roller for producing an endless first corrugated cardboard web having a corrugation from the endless first intermediate web.
  • the corrugating rollers form a first roller gap for guiding through and corrugating the endless first intermediate web.
  • the first corrugated board manufacturing device 4 has a first glue application device, which preferably comprises a glue metering roller, a glue container and a glue application roller.
  • the glue application roller forms a gap with the first corrugated roller for guiding through and applying glue to the endless first corrugated sheet.
  • the glue in the glue container is applied to the tips of the glue application roller Corrugation applied to the endless first corrugated sheet.
  • the glue metering roller lies against the glue application roller and serves to form a uniform glue layer on the glue application roller.
  • the endless first cover sheet is then joined together with the endless first corrugated sheet provided with the glue from the glue container in the first corrugated cardboard production device 4 to produce the first sheet of corrugated cardboard laminated on one side.
  • the first corrugated cardboard manufacturing device 4 has a first pressing module for pressing the endless first cover sheet against the endless first corrugated sheet provided with glue, which in turn rests against the first corrugated roller in areas.
  • the first pressing module is advantageously designed as a pressing belt module. It is arranged above the first corrugated roller.
  • the first pressure module has two first deflection rollers and an endless first pressure belt which is guided around the first two deflection rollers.
  • the first corrugated roller engages in a space between the two deflection rollers of the first pressure module from below in some areas, as a result of which the first pressure belt is deflected by the first corrugated roller.
  • the first pressure belt presses against the endless first cover sheet, which in turn is pressed against the endless first corrugated cardboard sheet provided with glue and resting on the first corrugated roller.
  • the corrugated cardboard machine 1 In order to temporarily store and buffer the one-sided, endless first corrugated cardboard web, it is fed via a first upward transport device to a first storage device, where it forms loops. Furthermore, the corrugated cardboard machine 1 has a second corrugated cardboard manufacturing device 7, which is designed in a manner corresponding to the first corrugated cardboard manufacturing device 4.
  • the second corrugated board manufacturing device 7 is preceded by a second cover sheet splicing device 8 and a second intermediate sheet splicing device 9, which are designed corresponding to the first cover sheet splicing device 5 and the first intermediate sheet splicing device 6, respectively.
  • the second cover web splicing device 8 comprises a fifth unwinding unit for unrolling a finite third cover web from a third cover web roll and a sixth unwinding unit for unrolling a finite fourth cover web from a fourth cover web roll.
  • the finite third cover sheet and fourth cover sheet are connected to one another by means of a connecting and cutting unit of the second cover sheet splicing device 8 in order to provide an endless second cover sheet.
  • the second intermediate web splicing device 9 comprises a seventh unwinding unit for unwinding a finite third intermediate web from a third intermediate web roll and an eighth unwinding unit for unwinding a finite fourth intermediate web from a fourth intermediate web roll.
  • the finite third intermediate web and fourth intermediate web are connected to one another by means of a connecting and cutting unit of the second intermediate web splicing device 9 in order to provide an endless second intermediate web.
  • the second corrugated cardboard manufacturing device 7 is able to produce a single-sided, endless second corrugated cardboard web from the endless second cover web and intermediate web.
  • the second web of corrugated cardboard laminated on one side is fed to a second storage device, where it forms loops.
  • the corrugated cardboard plant 1 also has a liner splicing device 10, which comprises a ninth unwinding unit for unrolling a finite first lamination web from a first lamination web roll and a tenth unwinding unit for unrolling a finite second laminating web from a second laminating web roll.
  • the finite first laminating web and the finite second laminating web are connected to one another by means of a connecting and cutting unit of the laminating web splicing device 10 to provide an endless laminating web.
  • the corrugated cardboard installation 1 Downstream of the storage devices and the laminating web splicing device 10, the corrugated cardboard installation 1 has a preheating device (not shown) which comprises three preheating rollers arranged one above the other. The single-sided, endless corrugated cardboard sheets and the endless lamination sheet are fed to the preheating rollers.
  • the corrugated cardboard system 1 Downstream of the preheating device, the corrugated cardboard system 1 has a gluing unit (not shown) with gluing rollers which are partially immersed in a respective glue bath.
  • a glue metering roller lies against each glue roller in order to form a uniform glue layer on the adjacent glue roller.
  • the first web of corrugated cardboard, laminated on one side is in contact with its corrugated sheet with a first glue roller, so that the corrugation of this corrugated sheet is provided with glue from the glue bath.
  • the second corrugated cardboard web, laminated on one side is located with its corrugated web with a second gluing roller in Contact, so that the corrugation of this corrugated sheet is provided with glue from the associated glue bath.
  • the corrugated cardboard system 1 Downstream of the gluing unit, the corrugated cardboard system 1 has a connecting device 11 which is designed as a heating / pressing device and comprises a horizontal heating table. An endless pressure belt, which is guided around guide rollers, is arranged adjacent to the heating table. A pressure gap is formed between the pressure belt and the heating table, through which the corrugated cardboard webs laminated on one side and the endless lamination web are guided to form an endless, here five-layer, corrugated board web.
  • the corrugated board machine 1 Downstream of the connecting device 11, the corrugated board machine 1 has a short transverse cutting device (not shown).
  • the corrugated cardboard machine 1 Downstream of the short cross-cutting device, the corrugated cardboard machine 1 comprises a longitudinal cutting / creasing device (not shown).
  • the corrugated cardboard system 1 Downstream of the longitudinal cutting / creasing device, the corrugated cardboard system 1 has a cross-cutting device (not shown) in order to produce sheets from the endless corrugated cardboard web or from partial webs of the same.
  • the cross-cutting device is followed by a conveyor belt device (not shown) in order to further convey the sheets.
  • the conveyor belt device is followed by a storage device (not shown) in order to form stacks of sheets.
  • trolley travel markings 12 run, which indicate and specify travels for trolleys (not shown) in the overall system.
  • the trolley travel markings 12 are preferably visible and applied as a paint to the flat (hall) floor supporting the corrugated cardboard system 1. They can be recognized by the transport trolleys. During normal operation, the trolleys follow the trolley travel markings 12, which include curves, switches and straight sections.
  • the material roll preparation arrangement 2 is arranged in a distribution path 13, which is preferably marked as a trolley travel path marking 12.
  • the distribution path 13 extends straight and parallel to the corrugated cardboard installation 1.
  • a first cover sheet path 14 adjoins the distribution path 13.
  • the first cover web path 14 is virtually endless and adjoins the distribution path 13 with a first cover web path section 15 and a second cover web path section 16.
  • the cover web path sections 15, 16 extend parallel to one another and are aligned with the unwinding units of the first cover web splicing device 5.
  • the cover web path sections 15, 16 pass through the corrugated cardboard system 1 at a respective unwinding unit and are connected to one another on the other side of the corrugated cardboard system 1.
  • the transport carriages can be moved both on the first cover web path section 15 and on the second cover web path section 16 in opposite directions for loading the first cover web splicing device 5 and removing residual material rolls.
  • a circumferential transport of the trolleys in one direction for equipping the first cover sheet splicing device 5 and removal of a residual roll of material along the first cover web path 14 is also possible.
  • the distribution path 13 is followed by a first intermediate web path 17, which is virtually endless and comprises a first intermediate web path section 18 and a second intermediate web path section 19.
  • the intermediate web path sections 18, 19 extend parallel to each other and to the cover web path sections 15, 16. They are aligned with the unwinding units of the first intermediate web splicing device 6.
  • the first and second intermediate web path sections 18, 19 pass through the corrugated board system 1 at the respective unwinding unit and are on the other side of the corrugated board system 1 connected to each other.
  • the trolleys can be moved both on the first intermediate web path section 18 and on the second intermediate web path section 19 in opposite directions for loading the first intermediate web splicing device 6 and removing residual material rolls. Circumferential transport of the trolleys in one direction for equipping the first intermediate web splicing device 6 and removing a residual roll of material along the first intermediate web path 17 is also possible.
  • the distribution path 13 is followed by a second cover web path 20, which is virtually endless and comprises a first cover web path section 21 and a second cover web path section 22.
  • the cover web path sections 21, 22 extend parallel to one another and to the cover web path sections 15, 16. They are aligned with the unwinding units of the second cover web splicing device 8.
  • the first and second cover web path sections 21, 22 pass through the corrugated cardboard system 1 at the respective unwinding unit and are connected to one another on the other side of the corrugated cardboard system 1.
  • the transport trolleys can be moved both on the first cover web path section 21 and on the second cover web path section 22 in opposite directions for loading the second cover web splicing device 8 and removing residual material rolls. Circumferential transport of the trolleys in one direction for equipping the second cover web splicing device 8 and removing a residual roll of material along the second cover web path 20 is also possible.
  • the distribution path 13 is followed by a second intermediate web path 23, which is virtually endless and comprises a first intermediate web path section 24 and a second intermediate web path section 25.
  • the intermediate web path sections 24, 25 extend parallel to each other and to the cover web path sections 15, 16. They are aligned with the unwinding units of the second intermediate web splicing device 9.
  • the first and second intermediate web path sections 24, 25 pass through the corrugated cardboard system 1 at the respective unwinding unit and are on the other side of the corrugated cardboard system 1 connected to each other.
  • the transport trolleys can be moved both on the first intermediate web path section 24 and on the second intermediate web path section 25 in opposite directions for loading the second intermediate web splicing device 9 and removing residual material rolls. Circumferential transport of the trolleys in one direction for equipping the second intermediate web splicing device 9 and removing a residual roll of material along the second intermediate web path 23 is also possible.
  • the distribution path 13 is followed by a laminating path 26, which is virtually endless and comprises a first laminating path section 27 and a second laminating path section 28.
  • the laminating web path sections 27, 28 extend parallel to one another and to the cover web path sections 15, 16. They are aligned with the unwinding units of the laminating web splicing device 10.
  • the first and second laminating web path sections 27, 28 pass through the corrugated cardboard system 1 at the respective unwinding unit and are on the other side of the corrugated cardboard system 1 connected with each other.
  • the transport carriages can be moved both on the first Kaschierbahnwegabexcellent 27 and on the second Kaschierbahnwegabexcellent 28 in opposite directions in order to equip the Kaschierbahn-splicing device 10 and remove residual material rolls. Circumferential transport of the trolleys in one direction for equipping the laminating web splicing device 10 and removing a residual roll of material along the laminating web path 26 is also possible.
  • the cover web paths 14, 20 and the intermediate web paths 17, 23 as well as the laminating web path 26 are connected to the distribution path 13 at a distance from one another and also run at a distance from one another. They are marked by the trolley travel marker 12.
  • the cover web rolls, intermediate web rolls and lamination web rolls can generally also be referred to as material rolls 3 which, viewed in general, carry a corresponding, finite, wound web of material made of cardboard, paper or the like.
  • the material roll preparation arrangement 2 receives the material rolls 3 from a material roll store (not shown). For this be favorably automated industrial trucks (not shown) used.
  • the material roll preparation arrangement 2 is arranged at the level or to the side of the second corrugated board manufacturing device 7. It is arranged in the distribution path 13 between the second cover web path 20 and the second intermediate web path 23.
  • the roll of material preparation assembly 2 comprises a frame 29 which is supported against the ground.
  • the frame 29 carries a receiving device 30 which comprises two spaced apart, aligned holding pins 31.
  • the holding mandrels 31 form a receiving device for a roll of material 3.
  • the holding mandrels 31 engage opposite the end face in a central support sleeve 32 of the roll of material 3.
  • the roll of material 3 is supported in this way and extends horizontally between the holding mandrels 31. It is held at a distance from the floor.
  • Each holding mandrel 31 is held by a support arm 33 which is adjustable, such as pivotable and / or displaceable, by means of an adjusting unit 34 which is variable in length.
  • Each adjustment unit 34 is pivotably arranged on the frame 29. It is useful if the support arms 33 can be adjusted independently of one another, which allows the roll of material 3 to be tilted. The roll of material 3 can be aligned in this way.
  • the adjustment units 34 are preferably each designed as a piston-cylinder unit.
  • the roll of material 3 can be driven in rotation in the receiving device.
  • the material roll preparation arrangement 2 also comprises a portal robot 35 and a portal carrier 36 which supports the portal robot 35 and extends horizontally.
  • the portal carrier 36 also runs parallel to the receiving device or a central axis 37 of the roll of material 3, at least when these are aligned one after the other. It is supported by a stand 38 relative to the floor and is located at an angle above the receiving device.
  • the portal carrier 36 enables a linear horizontal movement of the portal robot 35 along the material roll 3 or in the transverse direction of the wound material web.
  • the length of the portal carrier 36 is longer than an axial extension of the material roll 3 received, so that the portal robot 35 is able to move along the entire material roll 3.
  • the portal robot 35 is designed as a portal articulated arm robot. It comprises a base 39, in particular a slide-like base 39, which is arranged to be movable on the portal carrier 36.
  • An intermediate arm 41 is articulated to the base 39, forming a first pivot axis 40.
  • a working arm 43 is pivotably arranged to form a second pivot axis 42, the length of which can be changed, for example, and then has a linear axis.
  • the pivot axes 40, 42 run parallel to one another and horizontally. They extend parallel to the receiving device or the received roll of material 3.
  • the intermediate arm 41 and the working arm 43 form a manipulator.
  • An adjustment drive is assigned to the intermediate arm 41 and the working arm 43 in order to adjust the intermediate arm 41 and the working arm 43 about the respective pivot axis 40 and 42, respectively.
  • Each adjustment drive advantageously comprises a motor, a transmission and a control.
  • the gantry robot 35 has an internal sensor system that supplies information about the respective position of the manipulator.
  • the portal robot 35 is assigned an external sensor system in order to provide feedback about the surroundings.
  • the gantry robot 35 also has a controller.
  • the control monitors the movement of the manipulator and specifies its movement.
  • the adjustment drives are controlled.
  • the roll of material preparation assembly 2 includes a side cover removal device 73 which is capable of removing end side covers 74 from the roll of material 3 ( Fig. 4 ).
  • the side covers 74 originally cover the end faces of the material rolls 3 completely. They run parallel to one another and perpendicular to the central axis 37 of the roll of material 3.
  • the side cover removal device 73 comprises a separating blade unit which is adjustable radially with respect to the central axis 37 of the roll of material 3. In use, the separating blade unit preferably extends radially to the central axis 37 of the roll of material 3.
  • the separating blade unit is particularly capable of intervening radially from the outside between the roll of material 3 and the respective side cover 74 in a separating manner.
  • the roll of material 3 preferably rotates about its central axis 37.
  • the cutting blade unit is preferably used as a tool by the portal robot 35.
  • the portal robot 35 is moved along the portal support 36.
  • the manipulator is operated accordingly during the separation process.
  • the roll of material preparation assembly 2 further includes a protective plug removal device 75 which is capable of removing protective plugs 76 from the central support sleeve 32 ( Fig. 5 ).
  • the protective plugs 76 are arranged in both ends of the central support sleeve 32. They are preferably rotationally symmetrical and sleeve-like. Their outer shape is complementary to the inner shape of the support sleeve 32.
  • the protective plugs 76 partially close the support sleeve 32.
  • the protective plug removal device 75 has a removal cone 77. In use, a tip of the removal cone 77 is leading and is moved along the central axis 37 of the roll of material 3 to the respective protective plug 76.
  • the removal cone 77 is inserted axially into the protective plug 76 from the outside, for example, and axially pulled out of the central support sleeve 32 together with the protective plug 76.
  • the removal cone 77 is introduced into the protective plug 76, there is preferably a form-fitting and / or force-fitting connection between them.
  • the distance cone 77 can be driven in rotation, for example.
  • the protective plugs 76 can, for example, alternatively be destroyed by machining.
  • the removal cone 77 is preferably used as a tool by the portal robot 35. To reach the two protective plugs 76, the portal robot 35 is moved along the portal support 36. The manipulator is operated accordingly during the removal process.
  • the material roll preparation assembly 2 also has a peeling device 44 ( Fig. 2 , 3rd , 6 , 7A ).
  • the peeling device 44 comprises a release device 45 with a lifting unit 46 and a separating unit 47 as well as a spacing mandrel 48.
  • the lifting unit 46 has suction bodies 49 with at least one suction channel which is in flow connection with a vacuum or negative pressure source (not shown).
  • the separating unit 47 is designed as a cutting roller that can in particular be driven in rotation. During operation, a cutting axis of the cutting roller extends perpendicular to the central axis 37 of the received material roll 3.
  • the spacer mandrel 48 extends adjacent, in particular below, the cutting roller. It runs perpendicular to the cutting axis in the direction of the suction body 49 and is able to reach under a free material web section 50 of the material web at the edge.
  • the free material web section 50 adjoins an outer beginning of the material web.
  • One end of the material web is located at the support sleeve 32.
  • the release device 45 is capable of releasing or releasing the end-side material web section 50.
  • the separating unit 47 separates an adhesive bond between the free material web section 50 and a material web section arranged below it.
  • the free end-side material web section 50 of the material roll 3 is lifted off via the suction body 49 and the spacer mandrel 48. Damage to the material web section arranged underneath can thus be ruled out.
  • the release device 45 is preferably used as a tool by the portal robot 35.
  • the gantry robot 35 is moved along the gantry carrier 36 in order to achieve the bonds on the two end faces.
  • the manipulator is operated accordingly during the removal process.
  • the roll of material 3 is pivoted accordingly.
  • the peeling device 44 also includes a roller brush 51 that extends horizontally. It runs parallel and adjacent to the receiving device or the material roll 3 received there.
  • the brush roller 51 extends over the entire length of the material roll received 3. It can preferably be driven in rotation and, during operation, is able to grip the roll of material 3 on the circumferential side.
  • the peeling device 44 has a deflecting roller 52 which, together with the brush roller 51, forms a discharge gap 53.
  • the deflection roller 52 extends parallel along the brush roller 51.
  • the free material web section 50 can be lifted off and introduced into the discharge gap 53.
  • the free material web section 50 can be guided away from the support sleeve 32.
  • the brush roller 51 ensures that the free material web section 50 is fanned up or raised.
  • the discharge gap 53 is followed by a quality testing device 54 of the peeling device 44 in the discharge direction of the material web section 50, which is able to test an outer side 55 of the discharged material web section 50.
  • the quality checking device 54 has a checking camera which is directed at the outside 55 of the material web section 50 and is able to detect damage in the outside 55.
  • the peeling device 44 also has a discharge transport device 56 which is arranged downstream of the quality checking device 54.
  • the discharge transport device 56 comprises a conveyor belt 58 guided around deflection rollers 57 and counter rollers 59 associated with the conveyor belt 58.
  • the deflection rollers 57 and the conveyor belt 58 form discharge gaps through which the unwound material web section 50 is guided during operation.
  • a disposal container 60 is arranged downstream of the removal transport device 56.
  • the quality checking device 54 checks the unwound material web section 50 for damage. It uses, for example, a contour measurement, an ultrasonic sensor, laser or camera technology such as backlight technology or incident light. The roll of material 3 is unrolled or peeled off until a complete revolution of the same has been recognized by the quality checking device 54 as being free of damage.
  • the peeling device 44 is horizontally displaceable in its entirety, so that it can be adapted to different diameters of material rolls 3. The distance between the peeling device 44 and the receiving device can thus be changed.
  • An adjustment unit is expediently provided for this purpose.
  • At least one vacuum unit, counter-rotating draw roller or brush can alternatively be used.
  • a punching unit 61 with at least one rotationally drivable punching roller, preferably with at least one pair of punching rollers, is arranged upstream of the disposal container 60 in the discharge direction of the unwound material web section 50, which is capable of cutting the unwound material web section 50 into longitudinal strips during operation ( Fig. 3 ).
  • the at least one rotating punching roller exerts a tensile force on the unwound material web section 50 in the direction of the disposal container 60, so that the unwound material web section 50 is kept under tension and is thus protected from further damage. It is useful if the punched strips are further comminuted, for example in a shredder, and thus fed to the disposal container 60.
  • the release device 45 is alternatively or additionally able to separate or remove straps 78 that originally encircle or encircle the roll of material 3 circumferentially, which leads to a release or detachment of the end-side material web section 50 ( Figure 7B , 7C ). It forms a strapping element remover.
  • the straps 78 are arranged axially spaced from one another and rest tightly on the outside of the roll of material 3 or the end-side material web section 50. They hold the roll of material 3 together.
  • the separating unit 47 separates the respective strapping band 78 during operation.
  • the spacing mandrel 48 engages under the respective strapping band 78.
  • the separating unit 47 and the spacing mandrel 48 delimit a separating gap in which the respective strapping band 78 is separated and thus removed from the material roll 3.
  • the suction bodies 49 are not used here.
  • the release device 45 is preferably used as a tool by the portal robot 35 for this purpose. To reach the straps 78, the gantry robot 35 is moved along the gantry support 36. The manipulator is operated accordingly during the removal process.
  • the release device 45 has a strapping detection device for recognizing and locating the strapping 78.
  • the strapping detection device is advantageously in signal connection with the gantry robot 35 for the corresponding control of the same.
  • the unwound material web section 50 is assigned a final contour generating device 62 in order to generate a defined final contour in the unwound material web section 50 remaining on the material roll 3.
  • the final contour generating device 62 has a clamping device 63 which is arranged downstream of the brush roller 51 or the deflecting roller 52 in the removal direction of the material web section 50.
  • the clamping device 63 has a clamping body 70 which can be displaced in a guided manner, in particular vertically, and a counter body 71 assigned to it. Between the clamping body 70 and the mating body 71, the material web section 50 can be fixed locally in their clamping position ( Fig. 12 ). In the clamping position, the clamping body 70 and the counter body 71 are arranged directly adjacent to one another with the interposition of the material web section 50 and engage the material web section 50 in a clamping manner opposite one another. In a non-clamping position, the clamping body 70 and the counter body 71 are arranged at a distance from one another and from the material web section 50. They then do not act on the material web section 50.
  • the final contour generating device 62 has a guided displaceable cutting device 64, which is arranged downstream of the clamping device 63.
  • the cutting device 64 uses the counter body 71 and forms a cutting gap with it in a cutting position.
  • the cutting device 64 When the material web section 50 is clamped, the cutting device 64 is actuated ( Fig. 12 ) in order to produce the desired final contour in the unwound material web section 50.
  • the cutting device 64 slides along the counter body 71 during the cutting.
  • the final contour is located in the trailing part of the unwound material web section 50 remaining on the material roll 3.
  • the leading part of the unwound material web section 50 is disposed of.
  • the generated final contour 65 on the material web section 50 can be arcuate.
  • a generated arc is advantageously designed symmetrically with respect to the material web section 50 or the material web.
  • a head region or tip region which is central in the transverse or width direction of the material web section 50 is ahead of the further processing of the material roll 3.
  • the curved end contour 65 is particularly suitable for manual further processing of the roll of material 3.
  • the end contour 66 is formed by a cut that extends straight but at an angle to the longitudinal or conveying direction of the material web section 50.
  • the inclined end contour 66 is particularly suitable for manual further processing of the roll of material 3.
  • the end contour 67 is formed by two straight subsections 69 forming a point 68.
  • the tip 68 is advantageously designed symmetrically with respect to the material web section 50 or the material web. It is ahead with regard to the further processing of the roll of material 3.
  • the end contour 67 having a central tip 68 is particularly suitable for automatic further processing of the roll 3 of material.
  • the end contours 65, 66, 67 are produced by means of the punching unit 61.
  • a splicing tape 80 or a piece of the same is attached to the material web section 50, which remains on the material roll 3, adjacent to the generated final contour 65, 66, 67 under sensor control ( Fig. 14 , 15th ).
  • sensor control Fig. 14 , 15th
  • the position, angle and contact pressure of the splicing tape 80 are monitored by sensors, which enables automatic further processing.
  • the splicing tape 80 is attached to the material web section 50 on the inside or outside, depending on the required winding direction.
  • the splicing tape 80 is arranged at a beginning or leading section of the roll of material 3.
  • the splicing tape application device 79 comprises a splicing tape supply roll 81 and a splicing tape pressure roller 82 arranged downstream of the splicing tape supply roll 81 in the unwinding direction, as well as a severing tool 83 arranged downstream of the splicing tape pressure roller 82 in the unwinding direction.
  • the splicing tape supply roll 81 contains the splicing tape 80 in a wound form. It is rotatable.
  • the splicing tape pressure roller 82 is also rotatably mounted.
  • the splicing tape supply roll 81 and splicing tape pressure roller 82 have axes of rotation which run parallel to one another. They preferably extend perpendicular to the central axis of the roll of material 3.
  • the severing tool 83 comprises a severing blade 84 which can be displaced, in particular linearly, between a severing position and a rest position.
  • the splicing tape supply roll 81 When the splicing tape 80 is attached to the material web section 50, the splicing tape supply roll 81 is placed against the material web section 50, so that an adhesive surface of the splicing tape 80 rests on the material web section 50.
  • the splicing tape attachment device 79 is then moved at least in regions along the end contour 65, 66, 67, with the splicing tape supply roll 81 preferably rotating and the splicing tape 80 unwinding.
  • the splicing tape pressure roller 82 presses the splicing tape 80 resting on the material web section 50 firmly against the material web section 50. As the splicing tape applicator 79 moves, the splicing tape pressure roller 82 rotates.
  • the splicing tape pressure roller 82 rests against an outer separating cover of the splicing tape 80 which is removable and originally covers a second outer adhesive surface of the splicing tape 80.
  • the severing blade 84 is arranged at a distance from the splicing tape 80.
  • the severing blade 84 penetrates the splicing tape 80, separating it, when the splicing tape 80 is fully attached.
  • a further finite web of material can be connected to the finite web of material of the roll of material 3 by means of the splicing tape 80 to form an endless web of material.
  • the splicing tape applicator 79 is preferably used as a tool by the gantry robot 35.
  • the gantry robot 35 is moved along the gantry carrier 36, preferably to a central area of the roll of material 3, for attaching the splicing tape 80.
  • the manipulator is operated accordingly during the application process.
  • the roll of material 3 is pivoted accordingly.
  • the unwound material web section 50 is fixed to the actual material roll 3 by means of a fixing adhesive piece 72, so that an unintentional lifting of the free end of the material roll 3 is prevented ( Fig. 13 ).
  • the fixing adhesive piece 72 is adhesively attached to one below arranged material web section 50.
  • the gantry robot 35 (shown in simplified form in FIG Fig. 13 ) are used. To do this, he uses an appropriate adhesive fixing tool. The gantry robot 35 is moved along the gantry support 36, for example to a central area of the roll of material 3, for attaching the adhesive fixing piece 72. The manipulator is operated accordingly during the application process. The roll of material 3 is pivoted accordingly. The roll of material 3 can thus be safely transported.
  • the in Fig. 14 , 15th An adhesive tape 80 or at least a piece of the same is attached to the material web section 50, which remains on the material roll 3, in a sensor-controlled manner adjacent to the generated end contour 65, 66, 67, forming a material web fixing device 79.
  • the position, angle and contact pressure of the adhesive tape 80 are monitored by sensors, which enables automatic further processing.
  • the adhesive tape 80 is arranged at a beginning or leading section of the material roll 3.
  • the adhesive tape application device 79 comprises an adhesive tape supply roll 81 and an adhesive tape pressure roller 82 arranged downstream of the adhesive tape supply roll 81 in the unwinding direction, as well as a severing tool 83 arranged downstream of the adhesive tape pressure roller 82 in the unwinding direction.
  • the adhesive tape supply roll 81 contains the adhesive tape 80 in a wound form. It is rotatable.
  • the adhesive tape pressure roller 82 is also rotatably mounted.
  • the adhesive tape supply roll 81 and adhesive tape pressure roller 82 have axes of rotation which run parallel to one another. They preferably extend perpendicular to the central axis of the roll of material 3.
  • the severing tool 83 comprises a severing blade 84 which can be displaced, in particular linearly, between a severing position and a rest position.
  • the adhesive tape supply roll 81 is placed on the material web section 50, so that an adhesive surface of the adhesive tape 80 rests against the material web section 50 and protrudes from its adjacent end edge with an adhesive connection to the material web section arranged below on the material roll 3.
  • the adhesive tape application device 79 is then moved at least in certain areas along the end contour 65, 66, 67, the adhesive tape supply roll 81 preferably rotating and the adhesive tape 80 unwinding.
  • the adhesive tape pressure roller 82 presses the adhesive tape 80 resting on the material web section 50 firmly against the material web section 50 and the material web section arranged thereunder. As the adhesive tape applicator 79 moves, the adhesive tape pressure roller 82 rotates.
  • the adhesive tape pressure roller 82 rests on a non-adhesive rear side of the adhesive tape 80.
  • the severing blade 84 is arranged at a distance from the adhesive tape 80.
  • the severing blade 84 penetrates the adhesive tape 80, separating it, when the adhesive tape 80 is fully applied.
  • the tape applicator 79 is preferably used by the portal robot 35 as a tool.
  • the gantry robot 35 is moved along the gantry carrier 36, preferably to a central area of the roll of material 3, in order to apply the adhesive tape 80.
  • the manipulator is operated accordingly during the application process.
  • the roll of material 3 is pivoted accordingly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Replacement Of Web Rolls (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Unwinding Webs (AREA)
  • Manipulator (AREA)
  • Details Of Cutting Devices (AREA)
  • Nonmetal Cutting Devices (AREA)
EP20154232.1A 2019-02-07 2020-01-29 Système de pré-traitement de rouleau de matériau Withdrawn EP3693303A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019201601.4A DE102019201601A1 (de) 2019-02-07 2019-02-07 Materialrollen-Vorbereitungsanordnung

Publications (2)

Publication Number Publication Date
EP3693303A2 true EP3693303A2 (fr) 2020-08-12
EP3693303A3 EP3693303A3 (fr) 2020-12-23

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US (1) US11485104B2 (fr)
EP (1) EP3693303A3 (fr)
JP (2) JP2020128257A (fr)
CN (2) CN111532843B (fr)
DE (1) DE102019201601A1 (fr)

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CN117142208A (zh) 2023-12-01
CN111532843A (zh) 2020-08-14
JP2020128257A (ja) 2020-08-27
DE102019201601A1 (de) 2020-08-13
JP2024150612A (ja) 2024-10-23
EP3693303A3 (fr) 2020-12-23
US11485104B2 (en) 2022-11-01
CN111532843B (zh) 2024-06-14

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