EP1712664A2 - Verfahren zur Steuerung von Spinnmaschinen - Google Patents

Verfahren zur Steuerung von Spinnmaschinen Download PDF

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Publication number
EP1712664A2
EP1712664A2 EP06110894A EP06110894A EP1712664A2 EP 1712664 A2 EP1712664 A2 EP 1712664A2 EP 06110894 A EP06110894 A EP 06110894A EP 06110894 A EP06110894 A EP 06110894A EP 1712664 A2 EP1712664 A2 EP 1712664A2
Authority
EP
European Patent Office
Prior art keywords
spinning
machine
data
shot
machine control
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Withdrawn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
EP06110894A
Other languages
English (en)
French (fr)
Other versions
EP1712664A3 (de
Inventor
Tsunenori Iwashita
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.)
Toyota Industries Corp
Original Assignee
Toyota Industries Corp
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 Toyota Industries Corp filed Critical Toyota Industries Corp
Publication of EP1712664A2 publication Critical patent/EP1712664A2/de
Publication of EP1712664A3 publication Critical patent/EP1712664A3/de
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
    • D01H13/20—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to excessive tension or irregular operation of apparatus
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
    • D01H13/145—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements set on carriages travelling along the machines; Warning or safety devices pulled along the working unit by a band or the like
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
    • D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
    • D01H13/1616—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material characterised by the detector
    • D01H13/1633—Electronic actuators
    • D01H13/165—Photo-electric sensing means

Definitions

  • the present invention relates to a machine control method for a spinning machine such as a ring spinning machine, a ring twisting machine, a drawing-twisting machine or a roving machine.
  • Japanese Patent Application Publication No. 58-115133 discloses art in which a camera (201) is attached to a traveling unit (200) that moves along the front face of a fine spinning machine (100). During movement of the traveling unit (200), fiber bundle feed region (A), draft part region (B) or region where yarn is about to be wound on a cop, or all of those regions is shot by the camera (201) for judging whether or not the yarn breaks.
  • Japanese Patent Application Publication No. 7-3545 discloses art in which a monitoring camera (14) is attached to a roving replacing device (4) that serves to replace a roving bobbin (B) hung in the upper part of a fine spinning machine (1) with a new full bobbin (F) which fully includes roving. Operating states are monitored by shooting or taking images of a cycle of roving replacement operation by the roving replacing device (4).
  • Japanese Patent Application Publication No. 8-3829 discloses art in which a small-sized camera (35) is attached to a doffing device (106) that moves above the winding units (102) of a winder (101) so that it faces toward the tenser rollers (127a) of the winding units (102).
  • a small-sized camera (35) is attached to a doffing device (106) that moves above the winding units (102) of a winder (101) so that it faces toward the tenser rollers (127a) of the winding units (102).
  • the doffing device (106) that is moving stops for doffing a package (P) at the winding unit (102) that has finished winding the associated tenser roller (127a) is shot by the small-sized camera (35).
  • the small-sized camera (35) converts the rotational state of the tenser roller (127a) into an electric signal based on a mark (37) on the tenser roller (127a) as a home position and sends it to an operation part (3).
  • the electric signal is compared with the pattern that is pre-stored in the operation part (3) for judging whether or not the tenser roller (127a) rotates.
  • the present invention is directed to a machine control method for controlling a spinning machine by repeatedly shooting or taking images of the spinning unit of the spinning machine, storing the shot data and displaying them on a display.
  • the present invention provides a machine control method for a spinning machine having a plurality of spinning units that are arranged in parallel in a longitudinal direction of the spinning machine.
  • the machine control method includes the steps of providing a camera to a traveling body that is movable in the longitudinal direction of the spinning machine so that the camera faces toward the spinning machine; moving the traveling body along the spinning units at certain intervals for patrolling the spinning machine; shooting the spinning unit by the camera during the patrol of the traveling body; storing shot data of the spinning unit that is shot during the patrol of the traveling body in a memory; and displaying on a display the shot data as visual data or as analysis data obtained from the shot data.
  • FIGs. 1 and 2 show a ring spinning machine 1 and a blower type movable cleaning device 2 that is movable above the ring spinning machine 1 in the longitudinal direction thereof.
  • the ring spinning machine 1 has a known structure. More specifically, a great number of spindles 3 are arranged on the frame provided between a gear end GE and an out end OE and on each of a right side R (or a right side as seen in FIG. 1) and a left side L (or a left side as seen in FIG. 1) of the ring spinning machine 1.
  • the spindles 3 are driven to rotate through a belt 6 wound on a tin pulley 4 and a tension pulley 5.
  • a bobbin B is fitted onto each spindle 3, and yarn is wound on the bobbin B according to the operation of the ring spinning machine 1.
  • Draft parts 7 are provided above the spindles 3.
  • a creel 8 is provided above the draft parts 7.
  • a great number of roving bobbins 9 and guides 10 for guiding roving drawn from the roving bobbins 9 are hung from the creel 8.
  • the spinning unit of the ring spinning machine 1 includes a roving supply section having the roving bobbins 9 and the guides 10, the draft parts 7 and a winding section having the spindles 3.
  • the reference numeral "11" designates the suction duct of a pneumatic device provided under the draft parts 7. When yarn breaks, the suction duct 11 sucks fleece that is sent out from the draft part 7 of the spinning unit where the yarn breakage has occurred.
  • the cleaning device 2 corresponds to a traveling body of the present invention and has substantially the same structure for cleaning function as those used for conventional ring spinning machines (cf. Japanese Patent Application Publication No. 2000-96365 ). More specifically, a pair of rails 12 is provided above the creel 8 extending in the longitudinal direction of the ring spinning machine 1. A movable body 13 of the cleaning device 2 is movably mounted on the rails 12. The movable body 13 includes a pair of suction pipes 14 and a pair of blow pipes 15 which are hung therefrom in front of the ring spinning machine 1 on the right side R and the left side L of the ring spinning machine 1, respectively. Each of the suction pipes 14 has an auxiliary suction nozzle 16 branching therefrom, and each of the blow pipes 15 has an auxiliary spray nozzle 17 branching therefrom.
  • the paired rails 12 are supported by a rod 18 mounted on the gear end GE.
  • the rod 18 further supports a drive motor 19 and a drive pulley 20 fixed to the drive shaft of the drive motor 19.
  • a drive belt 21 is wound on the drive pulley 20 and a driven pulley (not shown) supported by a rod (not shown) that is mounted on the out end OE.
  • the drive belt 21 is connected to the movable body 13 for reciprocatably moving the movable body 13 in the longitudinal direction of the ring spinning machine 1.
  • the movable body 13 is equipped with an air blower (not shown) which provides air to the blow pipes 15 and the auxiliary spray nozzles 17 and negative pressure to the suction pipes 14 and the auxiliary suction nozzles 16.
  • the reference numeral 22 designates ring rails that move up and down in winding yarn on the bobbin B for traversing the yarn thereon.
  • each of the ring rails 22 has travelers (not shown).
  • Spindle numbers R01, R02, R03... RN are marked on the front face of the ring rail 22 on the right side R of the ring spinning machine 1 for indicating the positions of the spinning units in the longitudinal direction thereof.
  • the spindle numbers L01, L02, L03... LN are marked on the front face of the ring rail 22 on the left side L of the ring spinning machine 1 for indicating the positions of the spinning units on the left side L in the longitudinal direction thereof.
  • labels for indicating the positions of the spinning units in the longitudinal direction are marked in any manner, such as by painting, printing or attaching stickers.
  • the labels do not have to be marked on the ring rails 22.
  • the labels may be marked at any location.
  • the front face of the ring rail 22 is the most preferable for making the spindle numbers.
  • all of the spindle units are divided into a plurality of blocks which are numbered by block numbers. Serial numbers are assigned to the spindle units in each block, so that the position of each spindle unit is recognized by a combination of the block number and the serial number.
  • Brackets 23 through 25 are fixed to each of the paired suction pipes 14 of the cleaning device 2 in such a manner that the positions thereof are variable.
  • Cameras 26 through 28 are fixed to the brackets 23 through 25 on each side, respectively.
  • the camera 26 is set so that it points to a path of roving from the roving bobbin 9 through the guide 10 to the draft part 7.
  • the camera 27 is set so that it points to the draft part 7.
  • the camera 28 is set so that it points to the bobbin B and the ring rail 22 as the winding section.
  • FIG. 3 Three ring spinning machines 001 through 003 are shown in FIG. 3.
  • Machine control devices 29 through 31 are provided at the gear ends GE of the ring spinning machines 001 through 003, respectively.
  • the drive motors 19 of the cleaning devices 2 and the cameras 26 through 28 (only the cameras 28 are shown in FIG. 3.) fixed to the cleaning device 2 are connected to the machine control devices 29 through 31 via wires 32 through 34, respectively, or alternatively by wireless.
  • Each of the machine control devices 29 through 31 has an operation control program for operating the ring spinning machine, a cleaning program for cleaning the ring spinning machine at certain time intervals including restart-up period after bobbin replacement of the ring spinning machine, and a shooting program in which motion timing of shooting by the cameras 26 through 28 are set.
  • the cleaning devices 2 for the ring spinning machines 001 through 003 are reciprocatably moved according to command signals from the machine control devices 29 through 31 for patrolling the ring spinning machines 001 through 003. During this movement, the cleaning devices 2 perform cleaning work, and the cameras 26 through 28 shoot or take images of the ring spinning machines according to the set motion timing.
  • the machine control devices 29 through 31 are connected to a main control device 36 via a wire 35, or alternatively by wireless.
  • the main control device 36 has a memory 37 constituted of ROM and RAM and a central processing unit (CPU) 38 and serves to perform input and output of various data, process data and store therein the processed results.
  • the main control device 36 is connected to a display 40 having an input-output unit via a wire 39, or alternatively by wireless, for displaying required data thereon and performing input-output operation of required data. It is noted that the main control device 36 and the display 40 are actually formed integrally but shown separately in FIG. 3 for convenience of explanation.
  • Shot data or the data of the images which are shot by the cameras 26 through 28 during the movement of the cleaning device 2 in front of the ring spinning machine are sent to the machine control devices 29 through 31, respectively, then sent therefrom to the main control device 36 and stored in the memory 37.
  • serial communication network, local area network or the like may be used for the connection among the cameras 26 through 28, the machine control devices 29 through 31 and the main control device 36.
  • the above-described operation control program, the above-described cleaning program and the above-described shooting program are set in the main control device 36 by input operation, sent to the machine control devices 29 through 31, and stored in the memories of the machine control devices 29 through 31. Alternatively, each of those programs is directly set in each of the machine control devices 29 through 31 by input operation.
  • the main control device 36 has a program for stopping and moving the cleaning device 2 that is moving for cleaning work. According to predetermination of a specific spinning unit or real-time input operation by an operator, the main control device 36 sends a stop command signal to any or all of the machine control devices 29 through 31 for stopping the movement of the cleaning device 2 at the specific spinning unit. After the cleaning device 2 is stopped, the cameras 26 through 28 shoot or take images of only the winding section of the spinning unit or the entire spinning unit. Like the shot data which is shot during movement of the cleaning device 2, the data of this images (or shot data) are sent to the machine control devices 29 through 31.
  • the images of the ring spinning machine or the shot data which are shot by the cameras 26 through 28 include the following image forms.
  • the images which are shot during the movement of the cleaning device 2 are basically moving images but can be changed into serially shot still images according to setting.
  • the images which are shot during the stop of the cleaning device 2 are basically moving images but can be changed into still images according to setting. Operation for changing the image forms can be performed at any of the main control device 36, the machine control devices 29 through 31 and the cameras 26 through 28.
  • each location in the spinning unit from the roving bobbin 9 to the spindle 3 is recognized by the cameras 26 through 28.
  • a recognition number is assigned to each camera, and each location in the spinning unit is recognized by recording the associated the recognition number in the shot data.
  • the period during when the cleaning device 2 stops is predetermined but changeable appropriately according to need. It is possible to set so that the cleaning device 2 automatically starts when the predetermined stop period has elapsed. During the stop of the cleaning device 2, it is preferable that the operation of the air blower in the movable body 13 should be stopped.
  • the program for stopping and moving the cleaning device 2 is set in the main control device 36.
  • this program may be set in the machine control devices 29 through 31 for sending therefrom a command signal for stopping or moving the cleaning device 2.
  • the shot data sent to the main control device 36 is displayed on the display 40 for the operator to see conditions of each spinning unit or conditions between the spinning units at the moment when the images are shot and to judge whether each condition is normal or abnormal. Furthermore, the abnormality of the ring spinning machine or tendency thereto can be recognized as data by analyzing the shot data. According to need, abnormality or warning is denoted on the display 40, or a certain work is performed for dealing with the abnormality or the tendency.
  • Object of analyzing the shot data includes yarn breakage, state of cotton fly which is accumulated at the clearer roller of the draft part 7, installation of a wrong traveler, state of abrasion of a traveler, and installation of a wrong element.
  • the analysis object is analyzed by pattern recognition.
  • the shape of yarn balloon during appropriate spinning operation or the shot data of the yarn balloon is patternized, and the patternized shot data is stored as standard data.
  • the shot data or the shot image of the yarn balloon of the spinning unit is patternized and collated as comparison data with the standard data.
  • the shape of yarn balloon in the shot data of each spinning unit which is shot shortly after traveler installation is collated with the shape of yarn balloon which is stored as standard data. If the size of the yarn balloon is significantly different from that of the standard data, the installation of a wrong traveler is judged. It is noted the installation of a wrong traveler can be judged by merely comparing yarn balloons of the shot spinning units without standard data. More specifically, shooting or taking images of the spinning units along the longitudinal direction of the ring spinning machine, the spinning unit having the yarn balloon whose shape is distinctly different from that of the yarn balloon of the adjacent spindles is judged as a suspicious spinning unit where a wrong traveler is installed.
  • This method for detecting the abnormality by comparing the adjacent spindles without standard data may be applied to monitoring for yarn breakage, installation of a wrong element or the like.
  • the shape of yarn balloon in the shot data of each spinning unit which is shot after traveler replacement is compared with the shape of yarn balloon which is stored as standard data, and the deviation therebetween is constantly stored.
  • the deviation between the yarn balloon shape and the standard shape is enlarged to or beyond a certain value, it is judged as time for traveler replacement, and then warning is denoted or "traveler replacement" is displayed on the display 40.
  • the deviation value as criterion of judgment is obtained by test or experience.
  • the image of the draft part 7 which is shot during appropriate spinning operation is set as standard data in advance
  • the images of clearer roller which is shot during the movement of the cleaning device 2 for patrol is compared with the standard data to recognize the variation of state of cotton fly accumulation.
  • the limit of the variation is set in advance. If the variation is enlarged to or beyond the limit, it is judged as time for cleaning the clearer roller, and "cleaning" is displayed on the display 40 for notifying necessity of cleaning to the operator.
  • a time to require cleaning may be set as standard data in advance. If fleece is accidentally wound around the clearer roller, significant change appears at the clearer roller even before the set cleaning time has come. This change is judged as abnormal state, not as time for cleaning. Then, a warning signal is set up for coping with the emergency, or according to circumstances a signal for stopping the operation of the ring spinning machine is sent out, thereby promptly responding to trouble.
  • elements such as a clearer roller are different in color or size depending on specification of spinning.
  • color and size of an element such as a clearer roller which is suitable for the specification are set as standard data in advance.
  • the images, such as the images of the clearer roller, which are shot during the movement of the cleaning device 2 for patrol are compared with the standard data thereby to recognize at an early stage that a wrong element is installed or an element is missing. As a result, the situation is promptly responded to.
  • FIG. 4 shows a menu screen displayed on the display 40.
  • the "real-time image” is clicked on to display the machine numbers 001....N of the ring spinning machines in a real-time image machine selection screen as shown in FIG. 5. All of the machine numbers can be displayed by operation of a scroll button 41 or 42.
  • the machine number to be checked for example, 001, is selected and a display button is clicked on to display a real-time image screen as shown in FIG. 6.
  • a plurality of the machine numbers can be selected and the display button is clicked to display a plurality of windows in the screen shown in FIG. 6. In this case, the screen containing the similar content as that in FIG. 6 is displayed in each window per a selected machine number.
  • the screen of FIG. 6 shows that produced percentage of bundle is 60% for the machine number 001 selected in FIG. 5, and image screens of the right side R and left side L of the ring spinning machine are displayed in real time therein.
  • movement buttons, record buttons and a shutter button are displayed in the screen in FIG. 6.
  • the operator While watching the image screens, the operator operates the movement buttons to move and stop the cleaning device 2. And then, the operator can check conditions of the ring spinning machine by watching the image screens of the right side R and the left side L, thereby judging abnormality.
  • the images which are shot during the movement of cleaning device 2 and during the stop thereof at a specific spinning unit can be recorded as moving images by operation of the record buttons. Still images at specific location can be recorded by operation of the shutter button. If a plurality of windows are displayed in the screen in FIG. 6, recording operation can be performed per window. It is noted that these recorded images can be viewed by clicking on the image play that is indicated as the menu item in FIG. 4.
  • the "record reservation” is clicked on to display a record reservation list screen as shown in FIG. 7.
  • "(new reservation)” reservation numbers 0001, 0002 and 0003 that have been previously set, information on valid/invalid of reservation, reservation titles 43, an edit button and a delete button are displayed. If there are any other reservations, the machine numbers and the associated items can be displayed by operation of scroll buttons 44 and 45. It is noted that each reservation is edited or deleted by selecting the reservation number and clicking on the edit button or the delete button. "(New reservation)" is selected and the edit button is clicked on to make a new reservation.
  • starting time for shooting is set only when the "time designation" is selected at “g. motion timing” field.
  • buttons 49 and 50 are clicked on to display pull-down menus, selecting appropriate time.
  • "23 hour 00 minute” are designated in FIG. 8.
  • record reservation is completed.
  • the cleaning machines 2 for the designated machines daily start moving at the above-set time.
  • the cleaning machines 2 stop at the designated spinning units, and the cameras 26 through 28 take and record the still images of each designated spinning unit.
  • FIG. 9 Information concerning the shot data which is recorded at the real-time image screen in FIG. 6 and the shot data which is recorded according to the record reservation list in FIG. 7, namely, machine number, date, image type and shooting location are displayed in the screen in FIG. 9.
  • the other lists are displayed by operation of scroll buttons 51 and 52.
  • "snapshot" shown at "image type” field in FIG. 9 denotes the picture that is recorded at the real-time image screen in FIG. 6
  • the machine number "001", the date "04/01/22", the image type "fixed point moving image” and the shooting location "R24" are selected and double-clicked on to display an image play screen as shown in FIG. 10.
  • FIG. 10 In this screen, each item for shooting date, machine number, shooting location and motion timing, and image screens for R side and L side are displayed.
  • play-stop buttons are displayed. Since the shooting location is "R24", an image is displayed only on the image screen for the R side in FIG. 10. A moving image can be watched by operation of the play-stop buttons.
  • the "report” is selected and clicked on to display a report menu screen as shown in FIG. 11.
  • "(New report)” and report numbers 0001, 0002 and 0003 of reports which are previously prepared are displayed in a report list.
  • report valid/invalid distinction field 53, target machine distinction field 54, report title field 55 are displayed in the report list.
  • the other report numbers are displayed in the report list by operation of scroll buttons 56 and 57.
  • the associated report number is selected and a button "report display” is clicked on.
  • the report number 0001 is selected and the report display button is clicked on to display a yarn breakage report screen (not shown) in which period and machine can be selected. In this screen, the period and the machine are selected and a display button is clicked on to display a yarn breakage report concerning the selected machine and the selected period. Based on this report, certain work can be performed.
  • the associated report number is selected and a delete button is clicked.
  • "(new report)" is selected and a setting button is clicked on to display a report setting screen (cf. FIG. 12), so that report editing can be performed therein.
  • Report editing can be performed for not only new reports but also existing reports. For example, the report number 0001 which is invalid in FIG. 11 is selected and the setting button is clicked on to display a report setting screen as shown in FIG. 12.
  • Report editing is performed in FIG. 12 as follows.
  • a title a title which is to be displayed in the report list is input.
  • all machine yarn breakage report is input.
  • validation/invalidation of report is set.
  • valid is check-marked.
  • a button 58 is clicked on to display a pull-down menu, selecting one item from “yarn breakage”, “wrong element”, “wrong traveler”, and “cotton fly accumulation”.
  • "yarn breakage” is selected.
  • machine number machine number is input. Machine numbers are serially or skippingly designated by using hyphen or comma.
  • the machine numbers "001 to 003, 006, 009" are designated.
  • a button 59 is clicked on to display a pull-down menu, selecting one item from “time designation”, “before stop for full winding”, “after stop for full winding”, “before starting”, “after starting”, “produced percentage of bundle (10 to 100%)” and "observation per produced percentage of bundle (motion at each of times of produced bundle 0, 10, 20 to 90 and 100%).
  • the "time designation” is selected.
  • a button 60 is clicked on to display a pull-down menu, selecting one item from “daily", “every Sunday", and “every Monday to Saturday”.
  • the "daily” is selected.
  • the cameras 26 through 28 are connected to the main control device 36 through the machine control devices 29 through 31 as shown in FIG. 3.
  • the cameras 26 through 28 may be directly connected to the main control device 36 by way of connecting means such as local area network or the like.
  • the cameras 26 through 28 may be connected to only the machine control devices 29 through 31, and the machine control devices 29 through 31 may be adapted to serve as the main control device 36 to store the shot data and the analysis data and make various settings such as shooting timing and shooting location.
  • Each of the cameras 26 through 28 may include a control device such as memory, a LCD (liquid crystal display) panel and an input-output device such as switch and may be adapted to store the shot data and the analysis data and make various settings such as shooting timing and shooting location.
  • a control device such as memory, a LCD (liquid crystal display) panel and an input-output device such as switch and may be adapted to store the shot data and the analysis data and make various settings such as shooting timing and shooting location.
  • the cameras 26 through 28 may be connected to the machine control devices 29 through 31 by way of connecting means such as local area network or the like.
  • a display and an input-output device may be provided in each of the machine control devices 29 through 31 and may be used for referring to the shot data and the analysis data stored in the cameras 26 through 28 and making various settings described in the preferred embodiment.
  • location of each spinning unit is recognized by the spindle numbers R01 to RN marked on the front face of the ring rail 22 as shown in FIG. 2.
  • the location of each spinning unit may be recognized by calculating the location of the cleaning device 2 based on rotation speed, operating time and rotation pulse of the drive motor 19 of the cleaning device 2.
  • the spindle number of the recognized spinning unit may be assigned to the shot data, so that the spindle number of the spinning unit in the shot data can be visually recognized and analyzed without marking the spindle numbers on the front face of the ring rail 22.
  • a dog may be provided at each spinning unit and detected by a sensor provided at the cleaning device 2 thereby to recognize each spinning unit.
  • Various data such as shooting date or shooting location which are to be assigned to the shot data, may be assigned by the machine control devices 29 through 31 after sending the shot data to the machine control devices 29 through 31.
  • a drive mechanism may be connected to the cameras 26 through 28 and operated according to a command signal from the main control device 36 or the machine control devices 29 through 31 for moving the cameras 26 through 28 to various shooting locations in the ring spinning machine. In this case, only one camera may shoot a plurality of locations.
  • the traveling body of the present invention is not limited to the cleaning device 2 described in the preferred embodiment and may be a working vehicle such as a roving bobbin carrier, a roving bobbing exchanger or a yarn piecing device, or a dedicated vehicle for shooting or taking images of a spinning machines.
  • a working vehicle such as a roving bobbin carrier, a roving bobbing exchanger or a yarn piecing device, or a dedicated vehicle for shooting or taking images of a spinning machines.
  • the motion timing of shooting by the cameras 26 through 28 may be set at constant time intervals or at irregular time intervals.
  • the shot data and the analysis data may be printed out by a printer and stored as printed matter.
  • the cameras are provided so as to face toward the roving supply section, the draft part and the winding section, respectively.
  • a camera may be provided so as to face toward only a part of them.
  • the present invention may be applied to other spinning machines such as a ring twisting machine, a drawing-twisting machine and a roving machine.
  • a machine control method for a spinning machine having a plurality of spinning units that are arranged in parallel in a longitudinal direction of the spinning machine includes the steps of providing a camera to a traveling body that is movable in the longitudinal direction of the spinning machine so that the camera faces toward the spinning machine; moving the traveling body along the spinning units at certain intervals for patrolling the spinning machine; shooting the spinning unit by the camera during the patrol of the traveling body; storing shot data of the spinning unit that is shot during the patrol of the traveling body in a memory; and displaying on a display the shot data as visual data or as analysis data obtained from the shot data.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP06110894A 2005-04-14 2006-03-09 Verfahren zur Steuerung von Spinnmaschinen Withdrawn EP1712664A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005116367A JP2006291415A (ja) 2005-04-14 2005-04-14 紡機における機台管理方法

Publications (2)

Publication Number Publication Date
EP1712664A2 true EP1712664A2 (de) 2006-10-18
EP1712664A3 EP1712664A3 (de) 2008-03-19

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JP (1) JP2006291415A (de)
CN (1) CN1847487A (de)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
WO2011027366A1 (en) * 2009-09-07 2011-03-10 Krishnakumar Srivaikuntam Subbiah Yarn break monitoring system
WO2016179763A1 (zh) * 2015-05-08 2016-11-17 宁波德昌精密纺织机械有限公司 纱线断头监测装置
EP3628761A1 (de) * 2018-09-27 2020-04-01 Maschinenfabrik Rieter AG Verfahren zum betrieb einer ringspinnmaschine
EP4169859A1 (de) * 2021-10-19 2023-04-26 Maschinenfabrik Rieter AG Kreuzspulenherstellende textilmaschine mit einer vielzahl gleichartiger, nebeneinander angeordneter arbeitsstellen und einer entlang der arbeitsstellen verfahrbaren bedieneinrichtung sowie verfahren zum betreiben einer solchen kreuzspulenherstellenden textilmaschine

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CN110952181A (zh) * 2018-09-27 2020-04-03 里特机械公司 用于操作环锭纺纱机的方法
CN110952181B (zh) * 2018-09-27 2023-03-14 里特机械公司 用于操作环锭纺纱机的方法
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