WO1994016137A1

WO1994016137A1 - Apparatus for automatically matching patterns on cloth

Info

Publication number: WO1994016137A1
Application number: PCT/JP1993/000052
Authority: WO
Inventors: Kenichi Watanabe
Original assignee: Kabushiki Kaisha Nca
Priority date: 1993-01-14
Filing date: 1993-01-14
Publication date: 1994-07-21
Also published as: EP0635596A4; KR950701023A; EP0635596A1

Abstract

According to the present invention, a cloth (MA) unrolled from a rolled cloth (M) and spread and having at least laterally continuous patterns is fed downward with one longitudinal end thereof at the head via a feed means (4), and the surface of the downward extending portion of the cloth (MA) being fed downward is picked up by a CCD camera (5), an optical read means, the vertical position of the cloth (MA) being controlled on the basis of a signal from the CCd camera (5) so that the patterns on the cloth are lined up laterally, whereby it is rendered possible to carry out with very high reliability, accuracy and efficiency an operation, which has heretofore been found to be difficult to carry out, for matching the patterns on a cloth while removing curling such as skew and bend of the cloth by the weight of the cloth itself, and preventing the occurrence of imperfect products ascribed to the curling of the cloth.

Description

Description Automatic dough pattern matching device Technical field

The present invention relates to an automatic dough pattern matching device, and more particularly, exerts a useful function when a pattern applied to a fabric is at least continuous in a horizontal direction, for example, when the pattern is a horizontal stripe pattern or a lattice pattern. The present invention relates to an automatic dough pattern matching device. Background art

In recent years, fabrics made of various materials have come to be marketed as cloth-like fabrics such as clothing fabrics and kimono fabrics.For example, warp-knitted nit fabrics have been knitted into tubes. Usually, it is dyed and arranged, cut open, and then wound round on a rod-shaped core to finish. In the case where the raw material wound into a roll in this way is cut and processed, first, the material is pulled out from the material and cut to a predetermined size, and the cut material is stacked in multiple layers. After matching, cutting is performed to the desired shape using a cutting machine or the like. In this case, when fabrics are superimposed in multiple layers, it is necessary to match the pattern of the fabric for each layer, especially when the pattern of the fabric is a striped pattern or a lattice pattern. Otherwise, the product after cutting may have a skewed or bent pattern on the handle, or may vary from product to product. Conventionally, when performing such pattern matching of the dough, a worker carefully works each piece of the dough one by one so that the pattern of the dough does not bend and that the pattern of the dough matches all the layers. It is customary to match the patterns.

However, the cloth with the striped or lattice pattern as described above already has a slight skew or bend when it is pulled out from the raw material, which appears as a habit of the cloth. Therefore, when performing pattern matching by superimposing dough in multiple layers, a large number of workers superimpose the dough one by one * and at the same time, each person works while checking the pattern position This necessitates unnecessary work and labor, which makes the work complicated and cumbersome, and has impaired work efficiency and productivity. Also, the pattern matching of the above fabrics is currently performed on the upper surface of the workbench, that is, on the horizontal surface.When horizontally expanded fabrics are superimposed, shrinkage or expansion always occurs on the fabrics Therefore, the difficulty of manual pattern matching work as described above is remarkable. Disclosure of the invention

The present invention has been made in view of the background of the related art as described above, and has been made to automate the pattern matching work of cloth which has been conventionally difficult due to various characteristics of the knit cloth and the like. The main object of the present invention is to provide an automatic dough pattern matching device which can improve the productivity by making it possible.

Another object of the present invention is to damage the fabric during the pattern matching operation. The purpose of the present invention is to make it possible to achieve extremely accurate and good pattern matching without causing wrinkles or wrinkles.

Another object of the present invention is to reduce the size of the entire apparatus so that the installation space can be saved and the economic effect can be exhibited.

In order to achieve the above object, a first automatic dough pattern matching device of the present invention is a device for automatically performing pattern matching of a dough having at least a horizontally continuous pattern, wherein the dough is wound. A dough feed mechanism that feeds out the dough that has been unwound from the original web and spreads in a vertical direction from the end of the dough, and is placed facing the hanging surface of the dough that has been sent out in a drooping manner Optical reading means for recognizing the fabric pattern, and controlling the vertical position of the fabric based on the signal from the optical reading means so that the pattern continuous in the horizontal direction becomes a horizontal straight line. And control means for performing the control.

According to the first automatic fabric pattern matching device having the above configuration, the fabric that has been unwound from the raw fabric and spread is sent out from its vertical end by the delivery mechanism and becomes drooping. In the part, the habit such as skewed and bent is removed by the weight of the fabric. The optical reading means pointing at the hanging part of the fabric reads the different shades of color in the fabric pattern, and the vertical direction of the fabric is adjusted so that the horizontally continuous pattern in the fabric is horizontal and straight. Is controlled and positioned. If the dough is cut to a predetermined size in such a state, the skewing of the dough, the adverse effects of bending, etc. can be avoided, and Work and cutting work can be performed satisfactorily.

Further, a second automatic dough pattern matching device of the present invention comprises: an automatic dough releasing device for releasing the dough from a raw material obtained by winding the dough; and an unfolded and expanded dough from one end in the longitudinal direction. A dough feeding mechanism for sending the dough in a hanging manner, an optical reading means disposed opposite to a surface of the hanging portion of the dough fed in a hanging shape and recognizing a dough pattern, A dough receiving support plate having an inclined surface for receiving and supporting the hanging portion of the dough in an inclined state displaced rearward toward the lower end thereof, and a back surface of the dough receiving support plate in the front-rear direction and The pattern is arranged so as to be movable in the vertical direction, and the pattern matching needle is pierced into the cloth based on the signal from the optical reading means so that the pattern that is continuous in the horizontal direction of the cloth becomes horizontal and straight, so that the pattern is vertically aligned. Multiple patterns to control the position of And a cloth cutting device which is disposed below the optical reading means so as to be movable forward and rearward and cuts the cloth patterned by the pattern matching unit in the width direction. It is provided.

According to the second automatic dough pattern aligning device having the above-described configuration, similarly to the above, it is possible to preferably perform the subsequent overlapping work and cutting work while avoiding adverse effects such as skew and bending of the fabric. Of course, during the pattern matching and cutting operation as described above, the fabric hanging part sent vertically in the vertical direction is moved rearward toward the lower end by the sloping surface of the fabric receiving support plate installed on the back side. Because it is designed to receive and support the displaced inclined state, even if the fabric hanging part is bent and deformed in a wavy manner, it has wrinkles Even if they are fixed, they can be fixed and stably supported, and then the pattern matching needle can be pierced.Therefore, there is no displacement of the needle piercing position and no escape of the fabric, and the escape of the fabric when cutting It is possible to eliminate cutting defects and displacement of the cutting position. Therefore, since it is possible to reliably and accurately perform needle sticking into a predetermined position of the hanging portion of the dough and cut along the predetermined position, it has been difficult in the past due to various characteristics of the knitted fabric and the like. It is possible to improve productivity by automating the pattern matching work of the cloth which has been done, and at the same time, realize extremely accurate and good pattern matching without damaging the cloth or causing the pattern to shift due to waving be able to.

In the second automatic dough pattern matching device, the dough hanging part received and supported by the inclined surface of the dough receiving support plate is pressed from the surface side of the dough lower part onto the inclined surface at a position facing the hanging part surface of the dough. The dough press device to be attached is equipped so that it can be moved in the press release direction by rotating around a spindle set above the dough press position, and when the dough press device is rotated in the press release direction. When the air blowing device that blows air toward the lower part of the dough is provided, the lower part of the dough received and supported flat on the inclined surface of the dough receiving support plate is used for the dough holding device. By pressing against the inclined surface from the surface side, the function of preventing the cloth from escaping at the time of the needle sticking or cutting operation is more reliably held. Furthermore, when the dough presser is rotated in the direction of releasing the press after the needle is stabbed, air is blown from the air spraying device provided in the dough presser toward the lower part of the dough. By spraying the needle, it is possible to reliably prevent the needle set in the lower part of the dough from coming off, and the predetermined pattern matching accuracy can be further improved.

Further, in the second automatic dough pattern matching device, the dough feeding mechanism moves the dough lower end position detecting sensor for detecting the lower end position of the dislodged dough, and moves forward based on the detection signal of this sensor. A roller, a deflection detection sensor for detecting whether or not the slack amount of the cloth loosened in a substantially U-shape between the roller and the automatic cloth unraveling device has reached a predetermined amount; and rotating the roller. By using a driving motor, the fabric can be fed smoothly and without excessive pulling force.

In addition, the rollers constituting the automatic dough releasing device and the rollers constituting a part of the dough feeding mechanism can be driven and moved in the left-right and lateral directions based on a detection signal of an edge detection sensor for detecting an edge of the dough. By doing so, even if there is a gap in the width direction of the sent out fabric, the gap can be automatically corrected and the edges can be aligned.

Further, the automatic dough releasing device, the dough feeding mechanism, the optical reading means, the unit box for accommodating the pattern matching unit, and the dough cutting device are arranged in a predetermined positional relationship, and are integrally integrated with the left and right device frames. A large amount of space is spent in multiple processes, such as breaking the rolled material, matching the broken fabric, and cutting the matched fabric by connecting and supporting the fabric. There is no need to use the entire automatic dough pattern matching device It is possible to reduce the size as much as possible, so that the installation space can be reduced as much as possible, and a large economic effect in terms of space factor can be achieved. BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 is a perspective view showing the entire configuration of the equipment to which the automatic dough pattern matching apparatus according to one embodiment of the present invention is applied, and FIG. 2 is the overall configuration of the equipment shown in FIG. Fig. 3 is a front view showing the entire configuration of the equipment shown in Fig. 1, Fig. 4 is a perspective view of a web elevator, and Fig. 5 is an automatic production solution. Fig. 6 is an enlarged side view of the main part showing the first step of the operation from unraveling by the automatic dough releasing device to reading of the handle. Fig. 7 is an enlarged side view of the main part showing the second step of the operation from demolition by the automatic dough demolition device to reading of the pattern as in the above. Fig. 9 is an enlarged side view of the main part showing the third step of the operation from reversing to reading the pattern. Fig. 9 is a flowchart explaining the operation from reversing to reading the pattern. Fig. 1 0 is rotary cutlet evening Fig. 11 is an enlarged perspective view showing the pattern matching unit box and a part of the pattern matching unit drive section, and Fig. 11 is a pattern diagram. enlarged plan view of a main part of the Align Yuni' Bok, F i g. 1 3 is an enlarged perspective view in partial section of the drive portion of the fabric presser device, F i _g. 1 4 is a read operation of the handle the Enlarged side view of the main part showing one process. Fig. 15 is an enlarged side of the main part showing the second step of the pattern reading operation. Fig. 16 is an enlarged side view of the main part showing the third step of the pattern reading operation, and Fig. 17 is the operation from Fig. 14 to Fig. 16 FIG. 18 is an enlarged perspective view showing a part of the pedestal driving unit in a cutaway view, and FIG. 19 is a flowchart showing the first step from the cutting process to the fabric transfer operation. Fig. 20 is an enlarged side view of the main part showing the second step from the cutting process to the cloth transfer operation, and Fig. 21 is the enlarged side view of the part from the cutting process to the raw material transfer operation. Fig. 22 is an enlarged side view of the main part showing the three processes. Fig. 22 is an enlarged side view of the main part showing the fourth step of the cutting process to the cloth transfer operation. Fig. 23 is the cutting process to the cloth transfer operation. Fig. 24 is a flow chart explaining the operation from Fig. 19 to Fig. 23, and Fig. 25 is a flow chart for explaining the operation from Fig. 19 to Fig. 23. Fig. 26 is an enlarged side view of the main part showing the first step of taking out the cut fabric. Fig. 27 is an enlarged side view of the main part showing the second step of the cut fabric removal operation, Fig. 27 is an enlarged side view of the main part showing the third step of the cut cloth removal operation, and Fig. 28 is the cutting. FIG. 29 is an enlarged side view of the main part showing the fourth step of the dough removal operation, and FIG. 29 is a flowchart illustrating the operations from FIG. 25 to FIG. BEST MODES FOR CARRYING OUT THE INVENTION FIG. 1, FIG. 2 and FIG. 3 respectively show the entire equipment to which an automatic dough pattern matching apparatus according to an embodiment of the present invention is applied. 3 is a perspective view, a side view, and a front view. As shown in FIGS. In this order, the web 1 on which the fabric MA is wound and placed and set, and the web M placed on the web 1 are vertically moved upward by an elevator. Fabric lifter 2 that transports the fabric M to the unraveling position, an automatic fabric unraveling device 3 that unravels the fabric M at the unraveling position and spreads it over a predetermined dimension, and fabric that sends out the spread fabric MA in a hanging manner The feeding mechanism 4 and optical reading means, for example, a CCD camera 5 disposed opposite to the front surface of the hanging portion of the fabric MA, are disposed on the back surface of the fabric, facing the back surface of the hanging portion of the fabric MA. And a pattern alignment unit box 8 for storing a plurality of pattern alignment units 7 "having pattern alignment needles 6 for pattern alignment configured to be movable in the front-rear direction and the vertical direction. Rotary as a cutting device that cuts material MA Cutter 11, a receiving tray 14 having a dough receiving needle 12 for receiving the cut dough MA, an air cylinder 13 for moving the dough receiving needle 12 back and forth, and the like, and a receiving mechanism 15 And a fabric holding device 16 provided at a location facing the hanging surface of the fabric M.

As shown in Fig. 4, the web lift 2 is composed of sprockets 22 (rotationally attached to the upper and lower ends of a pair of left and right vertical frames 21 and 21) facing each other. (Not shown)), and endless chains 23, 23 are wound around the two ends, and both ends of a plurality of web lifting plates 24 are fixed to both chains 23, 23. The plates 24 are configured to be guided up and down along rails 25, 25 formed on the opposing surfaces of the pair of vertical frames 21, 21. Then, a pair of left and right sprockets 2 2, 2 2 is fixed via a support shaft 26 and is linked to a motor 27 installed below the left vertical

By driving and rotating the endless chains 23, 23 via 27, the raw sheet lifting plates 24 repeatedly move up and down. Therefore, as shown in FIG. 2, the web M placed on the web 1 is automatically lifted one by one by the web elevator 2 and reaches the upper end thereof. Rolls to the disengagement position and is fed.

As shown in FIG. 5, the automatic dough unraveling device 3 includes first and second unraveling rollers 3 1, 3 2 and an auxiliary roller 3 which constitutes a part of the dough feeding mechanism 4. 3 and the first and second release rollers 3 1, 3 2 have a motor 34 and a belt.

3 and the auxiliary roller 33 is configured to be rotatable in the forward and reverse directions by a motor 36, and the first and second release rollers 31 and 32 and the auxiliary roller 33 are Based on the edge detection signal of the fabric MA by the edge detection sensor 40 (see FIG. 2), the horizontal movement motor 37 and the ball screw 38 linked to the motor 37 are used to move the horizontal movement. It is configured to be able to move in the left and right sideways along the moving rail 39, so that the edges of the fabric MA can be aligned by this sideways movement o

Also, a cloth lower end position detection sensor 41 (Fig. 1) that detects the lower end position of the cloth MA released by the clockwise rotation of the first and second release rollers 31 and 32. 2 and Fig. 6 to 8) and the above-mentioned auxiliary roller 3 3 is configured to be able to move forward along a rail for forward and backward movement 43 via a cylinder for forward and backward movement of an assist roller 42 based on a detection signal of the lower end position detection sensor 41 of the cloth. Deflection detection for detecting whether or not the slack amount of the fabric MA that has slackened in a substantially U-shape across the auxiliary roller 33 moved forward and the second roller for unraveling 32 has reached a predetermined amount. A sensor 44 (see FIGS. 2 and 7) is provided. The fabric feeding mechanism 4 is constituted by the sensors 41 and 44 and the auxiliary rollers 33 and the like. Reference numeral 45 denotes a cloth size control sensor that detects the lower end of the cloth MA.

The operation of releasing the raw material M by the automatic dough releasing device 3 having the above configuration will be described with reference to the operation diagrams of FIGS. 6 to 8 and the flowchart of FIG.

First, the first and second unrolling rollers 3 1 and 3 2 are rotated clockwise, and the unrolled material M is rolled in the counterclockwise direction. 6 is spread over a predetermined dimension, and as shown in FIG. 6, the fabric end portion (winding end portion) Ma of the raw material M is hung down below the second breaking roller 32. At this time, the lower end Ma of the cloth MA is detected by the cloth lower end position detecting sensor 41 (step Rl). The auxiliary roller forward / backward moving cylinder 42 operates based on the detection signal of the cloth lower end position detecting sensor 41, and the auxiliary roller 33 moves forward along the rail 43 (step R2). As a result, as shown in FIG. 7, the fabric MA loosens in a substantially U-shape between the catching roller 33 and the second breaking roller 32. The amount of this slack Whether the quantification is achieved or not is detected by the deflection detection sensor 4 4, and the first and second solution opening ports —clockwise rotation of the rollers 31 and 32 until a predetermined amount of slack is reached. Is maintained and the slack amount is controlled (steps R3 and R4).

When the amount of slack of the cloth MA reaches a predetermined amount, the auxiliary rollers 33 constituting the cloth feeding mechanism 4 also start rotating, and the cloth MA is lowered to a predetermined position (step R5). . At this time, if the edge of the fabric MA is detected by the edge detection sensor 40 and there is a displacement in the width direction of the fabric MA, the first and second unrolling rollers 31 1, 32 2 and The catching roller 33 is moved horizontally and horizontally along the lateral movement rail 39 via the lateral movement motor 37 and the ball screw 38 linked to the motor 37 based on the edge detection signal from the edge detection sensor 40. The edge of the fabric MA is aligned by this lateral movement (step R6). Then, the lower end Ma of the dough MA is detected by the dough dimension control sensor 45, and as shown in FIG. 8, when the lower end Ma of the dough MA is lowered to a predetermined position, The rotation of the rollers 31, 32, and 33 is stopped, and the feeding of the fabric MA is stopped (steps R7 to R9).

The CCD camera 5 is configured so as to be able to be driven and moved in the horizontal direction (X, Y) along a rail 52 of a fixed frame 51 shown in FIG. That is, the mounting table 53 of the CCD camera 5 is connected to a belt 55 driven by a motor 54, as shown in FIG. Reference numeral 56 denotes a close-up lighting mounted on the mounting table 53. This CCD camera 5 The reading result is sent as an electric signal to a control device (microcomputer) (not shown).

The mounting table 53 has a support arm 57 for the rotary cutter 11 protruding from the body, and a cutter supported by the arm 57 so as to be able to slide in the front-rear direction via a slider 58. The motor 59 is configured to be movable back and forth through the air cylinder 60, and the driving air motor 61 of the mouth cutter 11 is fixedly held at the tip of the cutter arm 59. ing.

The pattern matching unit 8 and the pattern matching unit 7 are configured as follows. In FIG. 11, a plurality of ball screws 74, which are rotationally driven by motors 71 via belts 72, 73 in the unit box 8, are vertically spaced at appropriate intervals in the width direction. It is standing upright. With the rotation of these ball screws 74, a plurality of pattern matching units are arranged at equal intervals in the width direction on the unit raising / lowering plate 75, which is fitted and supported so as to be movable in the axial direction, that is, in the vertical direction. 7 are separably mounted and held, and these pattern aligning units 7 are individually moved forward with the solenoids 7 A provided separately and with the suction operation of each of these solenoids 7 A. Each of the solenoids 7A is fixed to the inner surface of the front plate of the unit box 8 and is a T-shaped guide as shown in FIG. Move only in the vertical direction via the slider 109 and the slider 109 The base end 6 a of the pattern matching needle 6 in the plurality of pattern matching units 7 that have dropped by their own weight onto the unit elevating plate 75 after the pattern matching is completed. By moving the support plate 9 engaged with the groove of the rearward through the air cylinder 76, the plurality of pattern matching units 7 can be returned to the predetermined position at once at a time. Have been.

The front plate of the unit box 8 is opposed to the back surface of the hanging material MA, which is fed in a hanging manner, and receives and supports the hanging portion of the material MA in an inclined state displaced rearward toward the lower end. 7a is formed on the cloth receiving support plate 77, and the slits 78 are formed on the cloth receiving support plate 77 at equal intervals in the width direction to form The pattern matching needle 6 moves forward and backward. The pattern matching unit 7 moves in the vertical direction according to the signal from the CCD 5 and then stabs the pattern matching needle 6 to perform horizontal pattern matching of the fabric MA.

In the lower part of the cloth receiving support plate 77, which is the front plate of the pattern matching unit box 8, a force cutter groove is provided in which the rotary cutter 11 enters and rotates over substantially the entire width in the width direction. 7 9 are formed. In addition, immediately below the pattern matching unit box 8, there is a ground drop prevention plate 80 having a width extending over the entire width of the box, and the dough fall prevention plate 80 is a hair cylinder 8 1 ( 19 (see Fig. 19). Further, the sloping surface 77 a of the dough receiving support plate 77 has an inclination angle of about 85 °, Accordingly, the ball screw 74 is also inclined by the same angle.

The dough holding device 16 is configured as shown in FIG. That is, the plate members 83 are fixed to both ends of the plurality of shafts 82, and the thickness of the cross-section plate member 84, which extends across the flat portions of the plate members 83 at both ends, is large. A sponge 85 is attached to the dough holding device 16. The dough holding device 16 holds the hanging portion of the dough MA received along the inclined surface 7 7 a of the dough receiving support plate 7 7 from the front side thereof. It is pressed against the inclined surface 7a. The dough presser 16 is attached to the tip of a rotary arm 87 that can be driven and rotated via a rotating cylinder 88 around a spindle 86 set above the green pressing position. Fixed. In addition, air hoses 89 are provided between the adjacent bar-shaped plate members 84, respectively, and air nozzles 90 protruding through the air hoses 89 are provided at a plurality of locations on the sponge 85. In the above, the air blowing device 91 is formed by penetrating in the thickness direction and opening the surface. The air blowing device 91 blows air toward the hanging portion of the fabric M A when the fabric holding device 16 rotates in the pressing release direction.

The pattern matching process of the fabric MA by the interlocking operation of the CCD camera 5 and the pattern matching needle 6 after the end portion of the fabric MA is sent out in a hanging manner by the fabric feeding mechanism 4 is described with reference to FIGS. The operation will be described with reference to the operation diagram of FIG. 16 and the flowchart of FIG. 17. First, in the state of FIG. 8, by driving the motor 54, the CCD camera 5 moves laterally along the rail 52 and reads the pattern of the fabric MA. (Step Nl). When the pattern is read by the CCD camera 5 (step N2), based on the read result, the pattern matching needle 6 projects forward with respect to the solenoid 7A of each pattern matching unit 7 forward. Is instructed. Next, the dough presser 16 rotates downward around the support shaft 86 via the rotating cylinder 88, and receives it in a posture along the inclined surface 77a of the dough receiving support plate 77. The hanging part of the dough MA is pressed against the inclined surface 77a from the surface side (Step N3). At this time, the hanging part of the dough MA is not only received and supported in an inclined state by the inclined surface 77 a of the receiving support plate 77, but also the sponge 85 of the dough holding device 16 from the front side. Therefore, even if the hanging part of the fabric MA is bent and deformed in a wavy manner or has a wrinkle, the fabric MA is corrected to a flat shape and is stably supported.

Next, based on the result of reading the pattern by the CCD camera 5, each pattern matching unit 7 is driven by a motor 71, belts 72, 73, a pole screw 74, and a unit raising / lowering plate 75, as shown in FIG.

As shown in 15, the robot is moved downward, and during the downward movement, each solenoid 7 A operates at the timing specified for the solenoid 7 A of each pattern matching unit 7. As a result, the pattern matching needle 6 in each pattern matching unit 7 is pushed forward through the slit 78 and moved to the predetermined position of the horizontal stripe pattern of the fabric MA as shown in FIG. Pierce into Along with (steps N 4 and N 5), the sponge 85 of the dough holding device 16 is also pierced, and the needle 6 and the solenoid 7 A stop at that position.

From this state, the dough presser 16 rotates upward around the support shaft 86 as shown by the arrow in FIG. 16 via the rotating cylinder 88, and separates. Since air is blown from the air nozzle 90 of the air blowing device 91 toward the hanging portion of the fabric MA, the pattern matching needle 6 is prevented from coming out of the fabric MA, and as a result, the fabric is The MA is completely pierced into the pattern matching needle 6 (step N 6). At the same time, the plurality of pattern matching units 7 are simultaneously moved downward by their own weight so as to be horizontally aligned on the elevating plate 75 on which they have been lowered. , 32 and the auxiliary roller 33 start rotating clockwise (step N7). Then, it is determined whether or not the fabric MA has been lowered to a predetermined position (step N8). When the cloth MA has reached the predetermined lowering position, the above-mentioned breaking rollers 3 1, 3 2 and the catching roller 3 3 The rotation is stopped (step N 9).

The receiving tray 14 having the dough receiving needle 12 for receiving the dough MA, the air cylinder 13 for moving the dough receiving needle 12 back and forth, and the driving mechanism 15 for the receiving tray are shown in FIGS. It is configured as shown in FIG. In Fig. 17 and Fig. 19, reference numeral 92 denotes a pair of left and right device frames that integrally connect and hold the above-described release device 3, the feeding mechanism 4, the pattern matching unit box 8, and the like. Left and right device frames 9 2 A slider 94 is engaged and supported by a rail 93 fixed to the opposing inner surfaces so as to be freely slidable in the front and rear directions. The pedestal 14 is supported by a pedestal lock cylinder 95 fixed on the slider 94 so as to be rotatable around its axis via a rotating shaft 96, and includes a taper pin 97 and a pedestal. Through a positioning hole 98 formed in the side plate portion of 14, the fabric can be switched between a regular fabric receiving posture and a posture for taking out the received fabric. Also, bearings 100 are rotatably supported at the distal ends of the fixed shafts 99 projecting laterally outward from both side plates of the receiving table 14, respectively. A pedestal moving guide plate 101 having a guide groove 102 for rolling over the roller 100 is fixed to the inner surface of the device frame 92. The guide groove 100 of the guide plate 101 for moving the pedestal is straight along the horizontal plane, and the guide groove for turning the pedestal 1 10 in the shape of a 1Z4 arc is formed at the rear end. 3 is formed in communication, and when the receiving table 14 is moved backward along the rail 93 toward the cutting table 104 (see FIG. 28), the bearing 100 is turned by the turning guide. After shifting to the groove 103, the cradle 14 is automatically turned 90 °, so that the cutting cloth is taken out. Further, the cloth receiving needle 12 can not only be moved back and forth along the rail 105 via the air cylinder 13 for moving back and forth, but also the cylinder 106 for moving back and forth the receiving needle unit. It is configured to be able to move back and forth along the rail 107 via the intermediary, and the above-described components constitute the cradle excavating mechanism 15 for a receiving stand. Next, following the pattern matching work of the fabric MA as described above, the cutting of the fabric MA and the process of delivering the cut fabric to the cradle 14 side are described with reference to FIGS. 20 to FIG. The operation will be described with reference to the operation diagram shown in FIG. 23 and the flowchart shown in FIG.

First, as shown in FIG. 20, the cloth receiving needle 12 is moved forward by the extension operation of the receiving needle longitudinal movement cylinder 13 and the receiving needle unit longitudinal movement cylinder 106. And stab it into the hanging part of the dough MA (step S 1).

Then, each pattern matching needle 6 is moved backward through the slit 78 through the air cylinder 76, extracted from the fabric MA, and blown by air from the air blowing nozzle 109. Remove excess slack in dough MA. Next, the rotary cutter 11 is moved forward by the extension operation of the air cylinder 60 so as to be ready for cutting (step S2). In this state, while driving the air motor 61 to rotate the rotary cutter 11, as shown in FIG. 21, this is traversed along the rail 52 via the drive of the motor 54. By moving the fabric MA, the fabric MA is cut at a position about 3 mm above the receiving needle 12 (step S3). When the cutting of the fabric MA is completed (step S4), the rotary cutter 11 is moved backward by the contraction operation of the air cylinder 60, and the air cylinder 1 for moving the receiving needle back and forth is used. The dough receiving needle 12 is moved backward by the contraction of the cylinder 3 for moving the needle 3 and the receiving needle unit forward and backward. At the same time, shown in Fig. 22 As described above, the dough drop prevention plate 80 is moved forward through the cylinder 81 to prevent the cut dough MB from dropping from the dough receiving needle 12 (step S5).

Next, the motor 71 in the pattern matching unit 7 is driven, and the plate for raising and lowering the unit 75 is moved in the axial direction of the ball screw 74 with the rotation of the ball screw 74, that is, upward. The pattern matching unit 7 is returned to the predetermined upper limit position (home position), and the cloth receiving needles 12 holding the cut cloth MB in a suspended state are also arranged as shown in FIG. Then, the cutting cloth MB is returned to the original position, and the cut cloth MB is opposed to the receiving stand 14 in the vertical posture (step S6). Then, the same operation as above is repeated until the number of cut fabrics MB reaches a predetermined number (steps S7 and S8).

From the state in which a predetermined number of cut fabrics MB are superimposed on the fabric receiving needles 12 in multiple layers and suspended vertically, they are taken out on the cutting table 104 and changed to a horizontal superimposed state. 25 to FIG. 28 and the flowchart shown in FIG. 29 o

First, after releasing the position of the cradle 14 via the cradle opening cylinder 95, the entire cradle 14 is manually moved rearward. At this time, the bearing 100 moves backward while rolling along the linear guide groove 102, and when reaching the end thereof, the bearing 100 is moved to the arc-shaped cradle. In order to shift to the turning guide groove 103, see Fig. 26 and 27 as shown in Fig. 27 and the stand 14 in the vertical position is spontaneously turned 90 ° to change the cutting position to the take-out position in which the cut fabric MB is superimposed on the horizontal surface (step T 1). .

In this state, the fabric receiving needles 12 are pulled out of the laminated cut fabric MB by the contracting operation of the receiving needle back-and-forth moving air cylinder 13 (step T2). When it is confirmed that the dough receiving needle 12 has been removed from the cut dough MB (step T3), the stacked cut dough MB is transferred through a transfer device (not shown) as shown in FIG. 28. Then, it is transferred onto the cutting table 104 (step T4). Thereafter, the cradle 14 is set in the vertical position, returned to the cut fabric receiving position, and fixed via the cradle lock cylinder 95 (step T5). The laminated cut fabric MB transferred on the cutting table 104 is cut into a predetermined shape by a cutting machine (not shown).

In the above-described embodiment, the rotary cutter 11 is used as the dough cutting device, and the rotary cutter 11 is moved in the width direction of the dough to perform cutting. However, any other cutting device may be used. Good.

As the optical reading means, the CCD camera 5 as shown in the above embodiment is the most ideal, but an optical line sensor or the like may be used.

In the above embodiment, the cloth feeding mechanism 4 includes a cloth lower end position detection sensor 41, an auxiliary roller 33 moved forward based on a detection signal of the sensor 41, and an auxiliary roller 3. Between 3 and the second de-rolling roller 3 2 of the automatic dough releasing device 3 It is composed of a bend detection sensor 44 that detects whether the amount of looseness of the fabric MA that has loosened in a U-shape over a predetermined length has reached a predetermined amount, and a motor 36 that rotationally drives the auxiliary porter 32. However, it may be composed of a plurality of belts arranged side by side along the width direction of the fabric MA, each of which can be driven independently.o

Further, in the above embodiment, a single CCD camera 5 is used, and this CCD camera 5 is driven and moved in the horizontal direction (X, Y) via the belt 55 along the rail 52 of the fixed frame 51. Although the configuration is shown as possible, a configuration in which a plurality of CCD cameras are fixedly installed at appropriate intervals in the width direction of the fabric MA may be used. Industrial applicability

As described above, the automatic fabric pattern matching device of the present invention is a device for sending a cloth-like fabric such as clothing in a hanging manner from one end in the vertical direction, and a CCD camera or the like disposed opposite to the surface of the hanging portion. This is a technology that reads the pattern that is continuous in the horizontal direction attached to the cloth by the optical reading means, and controls the vertical position of the cloth based on the read signal.The skew or bend is caused by the weight of the cloth. In particular, it is possible to reliably, accurately and efficiently realize the pattern matching of the cloth which has been difficult in the past due to various characteristics of the knit cloth and the like. is there.

Claims

The scope of the claims

(1) In an apparatus for automatically performing pattern matching of a cloth having a pattern that is continuous at least in the horizontal direction, the cloth unrolled from the material roll obtained by winding the cloth and spread from one end in the vertical direction. A dough feeding mechanism for sending the dough in a hanging manner, an optical reading means disposed opposite to a surface of a hanging portion of the hanging dough to recognize a dough pattern, and a signal from the optical reading means. An automatic dough pattern matching device, comprising: control means for controlling the position of the dough in the vertical direction so that the pattern continuous in the horizontal direction of the dough is horizontal and straight based on the pattern.

(2) An apparatus for automatically aligning a cloth having a pattern that is continuous in at least a horizontal direction, comprising: A fabric feeding mechanism for sending out the spread fabric from one end in the vertical direction in a hanging manner; and an optical reading means disposed opposite to the surface of the hanging portion of the hanging fabric to recognize the fabric pattern. A dough receiving support plate having an inclined surface for receiving and supporting the dough lower part in a forehead state in which the lower part of the dough is displaced backward toward the lower end side, Receiving A pattern that is arranged on the back side of the support plate so as to be movable in the front-rear direction and the vertical direction, and that the pattern matching needle is pierced into the cloth based on a signal from the optical reading means and continues in the horizontal direction of the cloth. Becomes horizontal straight line And Yuni' Bok Align plurality of patterns for controlling the vertical position of the urchin dough, moves in the longitudinal direction at the bottom of the optical reading means An automatic dough pattern matching device, wherein the dough cutting device is provided so as to be capable of cutting the dough pattern matched by the pattern matching unit in a width direction.

(3) At a position facing the hanging surface of the dough, a dough presser for pressing the dough hanging and received on the inclined surface of the dough receiving and supporting plate from the surface side to the inclined surface is provided. It is equipped so that it can be moved in the pressing release direction by rotation around the support shaft set above the green pressing position, and the cloth holding device is attached to this green pressing device when rotating in the pressing releasing direction. 3. The automatic dough pattern matching device according to claim 2, further comprising an air blowing device that blows air toward the section.

(4) The cloth feeding mechanism detects the lower end position of the released cloth, a roller that moves forward based on a detection signal of the sensor, a roller that moves forward based on a detection signal from the sensor, and an automatic cloth. A slack detection sensor for detecting whether or not the slack amount of the cloth loosened in a substantially U-shape between the release device and the cloth has reached a predetermined amount, and a motor for rotating and driving the roller. 3. The automatic fabric pattern matching device according to item 2 above.

(5) The rollers constituting the automatic dough releasing device and the rollers constituting a part of the dough feeding mechanism can be driven and moved horizontally and horizontally based on the detection signal of the edge detection sensor that detects the edge of the dough. 3. The automatic fabric pattern matching device according to claim 2, which is configured.

(6) The automatic dough releasing device, the dough feeding mechanism, the optical reading means, the unit box for accommodating the pattern matching unit, and the like. 3. The automatic dough pattern aligning apparatus according to claim 2, wherein the dough cutting apparatus and the dough cutting apparatus are arranged in a predetermined positional relationship, and are integrally connected to and supported by the left and right apparatus frames.