JP6423568B1 - Sewing device - Google Patents

Abstract

The present invention eliminates the need for manual sewing in sewing a front zippered part of a trouser.
A sewing device 10 positions a gantry 11 having a top plate 12, a front cloth storage part 20, a fastener storage part 60, a first gripper 31 for taking out the front cloth 211 from the front cloth storage part 20, and a front cloth 211. A second cloth gripper 81 for taking out the fastener 212 from the front cloth positioning portion 40, the fastener storage 60 and placing the fastener 212 on the front cloth 211, and a pair of second width adjusting plates 98 for positioning the fastener 212, 99, the first sewing machine 13 for attaching the fastener 212 to the front cloth 211 in accordance with the guidance by the first sewing machine guide section 100, and the second processing for processing the cloth edge of the front cloth 211 in accordance with the guidance by the second sewing machine guide section 120. A sewing machine 14 is included.
[Selection] Figure 2

Description

  The present invention relates to a sewing apparatus for automating sewing of a front zipper part of jeans.

  Conventionally, trousers made by sewing denim fabric are called jeans and are widely distributed. Usually, a material called a front zipper, which is formed by attaching a fastener to a front denim cloth of another denim fabric, is sewn along the front opening on the back side of the front side of jeans.

  FIG. 1 is a view for explaining a front zippered part of jeans. In the main part of the back surface of the front side of the jeans 200 shown in FIG. 1A, a front fastener attaching part 201 including a fastener is attached along the front opening of the jeans. In addition, a material 202 called a tengu is also attached so that the front zipper component 201 can be covered. The front zipper component 210 shown in FIG. 1B is a straight line in which a fastener 212 is arranged along the longitudinal direction on the front surface of a denim fabric front cloth 211 having a substantially rectangular shape, and the tape on the left side of the fastener 212 extends in the longitudinal direction. 213 is sewn to the plait cloth 211 by main sewing, and the cloth end of the placket cloth 211 is processed by the overlock sewing 214 so as to draw a straight line on the left side, a combination of a lower arc and a straight line, or an arbitrary curve. It becomes.

  However, since the front zipper parts of jeans were manually sewn by a sewing worker, a certain technique was required for the sewing, and the quality of the sewn front zipper parts was not stable. In addition, since the sewer manually sew the front zippered parts, the amount that can be sewn is limited.

  The present invention is proposed in view of the above-described circumstances, and provides a sewing device that sews a front zippered part and does not require a sewing operation by a manual sewing operation. With the goal.

  In order to solve the above-described problems, a sewing apparatus according to the present invention is a sewing apparatus that sewes a front zipper-attached part of a trouser from a front cloth and a fastener, and is attached to a base having a top plate and a side of the base The upper part is opened, the front cloth storage part for stacking and storing the front cloths, the fastener storage part including the pallet which is attached to the side part of the mount and stores the fasteners in order, and is stored in the front cloth storage part. A first gripper that takes out the front cloths one by one and places them on the first position of the top plate, a front cloth positioning part that positions the front cloths placed on the first position, and a positioned front cloth A first feed section that feeds the first position from the first position to the second position of the top board along the top surface of the top board, and the fastener stored in the fastener storage section one by one, and is positioned A second gripper that is placed on the front, a fastener positioning portion that positions the fastener placed on the positioned front fabric, a first sewing machine that attaches the fastener to the front fabric, and a first sewing machine A first sewing machine guide for guiding the front cloth and the fastener respectively positioned along the upper surface of the top plate so that the first sewing machine can attach the fastener to the front cloth; A second sewing machine for treating the cloth edge, and a front cloth having a fastener attached to the second sewing machine along the top surface of the top plate, and the second sewing machine processes the cloth edge of the cloth for the front cloth. And a second sewing machine guide portion.

  The fastener may be attached to the placket by a first sewing with a first sewing machine. The second sewing machine guide moves and rotates the front cloth with the fasteners attached in the plane in which the upper surface of the top plate extends, and the second sewing machine cuts the cloth edge of the front cloth into a predetermined shape. The overlock sewing may be applied to the cloth edge. The predetermined shape may include at least one of a straight line and an arc. The predetermined shape may include a shape by an arbitrary curve.

  The front cloth positioning unit includes a pressing plate that pushes the front cloth in a predetermined direction and a pair of first opposing faces that narrow the front cloth in a direction substantially orthogonal to the predetermined direction in a plane in which the upper surface of the top plate extends. A width-shifting plate may be included.

  The fastener positioning part may include a pair of opposing second width-shifting plates for width-shifting the fasteners placed on the positioned front cloth with respect to the service teeth.

  It may further include a second feeding part that receives the placket and the fastener from the second position and sends the placket and the fastener to the third position along the top surface of the top plate, and the second feeding part may include a fastener positioning part. The first sewing machine guide may receive the front cloth and the fastener from the third position and send them to the fourth position via sewing by the first sewing machine.

  The apparatus further includes a fourth feeding section that receives the placket cloth and the fastener from the fourth position and feeds the placket cloth and the fastener along the upper surface of the top plate to the fifth position, and the second sewing machine guide section includes the placket cloth and the fastener from the fifth position. A fastener may be received to guide the sewing by the second sewing machine.

  The first gripper and the second gripper may be a needle gripper that grips a placket cloth or a fastener by inserting and removing a needle from a lower surface, or a vacuum gripper that adsorbs a fastener by vacuum.

  The front cloth storage unit may include a plurality of magazines that store the front cloths in a stacked manner. The fastener storage portion may include a plurality of pallets that store fasteners in an array.

  According to the present invention, there is no need for sewing work by a sewing machine, and there is no need to secure the sewing personnel. In addition, since the sewing of the front fastener part can be automated without the manual work of the sewing worker, the quality of the front fastener part can be stabilized and the amount of sewing can be increased.

It is a figure explaining the front zipper component of jeans. It is a front view of the sewing apparatus of this Embodiment. It is a top view of the sewing apparatus of this Embodiment. It is a right view of the sewing apparatus of this Embodiment. It is a principal part rear view of the sewing apparatus of this Embodiment. It is a principal part top view of the sewing apparatus of this Embodiment. It is sectional drawing of the sewing apparatus of this Embodiment. It is a flowchart explaining a series of operation | movement in the sewing apparatus of this Embodiment. It is a top view which shows the change of the shape of a placket. It is a top view explaining the operation | movement of positioning in a placket cloth positioning part. It is a top view explaining the operation | movement of positioning in a fastener positioning part. It is a top view explaining the operation | movement of the guide in the 2nd sewing machine guide part.

  Hereinafter, the sewing apparatus according to the present embodiment will be described in detail with reference to the drawings. The sewing device according to the present embodiment sews a front zipper part of jeans, which is trousers made of denim fabric, and automates the process from picking up the front cloth and fastener of the material to the step of sewing the front cloth and fastener. Is assumed. The present embodiment is not limited to this, and can be applied to sewing of a front zippered part other than a denim fabric such as slacks.

  FIG. 2 is a front view of the sewing apparatus according to the present embodiment. FIG. 3 is a top view of the sewing device of the present embodiment. FIG. 4 is a right side view of the sewing device according to the present embodiment. In the sewing apparatus 10 of the present embodiment, a top plate 12 having an upper surface extending in a substantially horizontal direction is supported at a predetermined height by a gantry 11. The top surface of the top plate 12 is formed smoothly so that the plaster cloth 211 can slide. On the top surface of the top plate 12, a first sewing machine 13 for attaching the fastener 212 to the placket cloth 211 and a second sewing machine 14 for treating the cloth edge of the placket cloth 211 are provided. An opening 12a is formed at a predetermined position of the top plate 12, and a container (not shown) for receiving the sewn front fastener attaching component 210 is provided immediately below the opening 12a.

  The first sewing machine 13 can attach the fastener 212 to the placket 211 by the main sewing with two needles. The second sewing machine 14 can perform overlock sewing with three needles or four needles while aligning the cloth ends of the placket cloth 211 with a knife.

  For convenience of explanation, as shown in the top view of FIG. 3, in the substantially horizontal plane in which the top plate 12 extends, in the longitudinal direction in which the front edge portion and the rear edge portion of the sewing device 10 extend, The XY direction is set so that the direction in which the fastener advances is the X direction, and the direction orthogonal to the X direction from the front side to the back side of the sewing apparatus 10 is the Y direction.

  The sewing apparatus 10 according to the present embodiment includes a front cloth storage unit 20 that stores the front cloth 211, a front cloth supply / conveyance unit 30 that takes out and transports the front cloth 211 from the front cloth storage unit 20, and a first top 12. A front cloth positioning portion 40 that positions the front cloth 211, the first feed section 50 that sends the front cloth 211 from the first position P1 to the second position P2, and a fastener storage that stores the fastener 212. 60, a fastener supply / conveyance section 80 for taking out and transporting the fastener 212 from the fastener storage section 60, and a second position P2 for positioning the fastener 212 placed on the front cloth 211 and sending it to the third position P3. Two feeding parts 90 are provided.

  FIG. 5 is a rear view showing a main part of the sewing apparatus 10 according to the present embodiment. The front cloth storage unit 20 includes a first magazine 21 and a second magazine 22 that are provided at predetermined positions on the side of the rear edge of the gantry 11 and are disposed adjacent to each other along the X direction. . The first magazine 21 has an opening in the upper part, and can store a plurality of plackets 211 in a stacked manner. Similarly, the second magazine 22 has an opening in the upper portion, and a plurality of plackets 211 can be stacked and stored. In the first magazine 21 and the second magazine 22, for example, a total of 400 sheets of placket 211 can be stored.

  The first magazine 21 and the second magazine 22 are driven along the X direction by an actuator 29, and one of the first magazine 21 and the second magazine 22 protrudes from a predetermined position on the rear edge of the top plate 12. It is made to be in the predetermined position where the 1st gripper 31 of the front cloth supply and conveyance part 30 can reach | attain, adjacent to the front cloth supply and conveyance part 30 which was made. A pneumatic cylinder may be used for the actuator 29. The same applies to other actuators. In one of the first magazine 21 and the second magazine 22 at a predetermined position where the first gripper 31 can reach, the stored front cloth 211 is driven by the motor 25 via the arm 26 and a bottom plate (not shown). Driven and moved up and down.

  The front fabric supply / conveyance unit 30 is provided near the right edge of the top plate 12, and extends in a Y direction from a predetermined position protruding from the rear edge toward the front edge. The front cloth supply / conveyance unit 30 includes a first gripper 31 that is a needle gripper that pulls in and out the needle 31 a from the lower surface and grips the front cloth 211. The first gripper 31 is supported by the support plate 35 via the support base 32, and is driven in the ascending / descending direction by the actuator 33 and along the Y direction by the actuator 34. The support plate 35 extends in a substantially vertical direction, is attached to the top plate 12 via a support column 36, and forms a predetermined gap with the top surface of the top plate 12. The placket supply / conveying unit 30 grips and removes one placket 211 from the first magazine 21 or the second magazine 22 with the first gripper 31, and puts it on the first position P 1 on the top surface of the top 12. Can be placed.

  FIG. 6 is a top view showing a main part of the sewing apparatus 10 according to the present embodiment. The front cloth positioning unit 40 is provided at the first position P1. The first position P <b> 1 may be adjacent to the upright cloth supply / conveyance unit 30 in the X direction on the top surface of the top plate 12. The front cloth positioning unit 40 is driven by the actuator 45 along the X direction, and has a push plate 41 that pushes the front cloth 211 placed at the first position P1 in the X direction. In addition, the placket positioning unit 40 includes a pair of opposed first width-shifting plates 42 and 43 that width-shift the front-clothes 211 placed at the first position P1 along the Y direction. The first width adjusting plate 42 is driven along the Y direction by an actuator (not shown), and the second width adjusting plate 43 is driven by an actuator 47, respectively. The front cloth positioning unit 40 can position the front cloth 211 placed at the first position P1 in the XY plane.

  The first feeding unit 50 includes a first presser plate 51 that holds the placket cloth 211 by pressing on the lower surface. The first presser plate 51 is driven on the top plate 12 in the up and down direction by the actuator 52 and along the X direction by the actuator 53. The first presser plate 51 may be processed so as to increase the friction on the lower surface or may be uneven on the lower surface in order to press and hold the placket cloth 211. The same applies to the other presser plates. The first presser plate 51 presses and holds the front cloth 211 positioned by the front cloth positioning unit 40 at the first position P1, slides along the upper surface of the top plate 12, and reaches the second position P2. Can send.

  The fastener storage unit 60 includes a first pallet storage unit 61 and a second pallet storage unit 62 that are provided at predetermined positions on the side of the front edge of the gantry 11 and are disposed adjacent to each other along the X direction. doing. The first pallet storage part 61 is located directly below the fastener supply / conveyance part 80 protruding from the front edge part of the gantry 11 to the front side. The first pallet storage unit 61 and the second pallet storage unit 62 stack and store the pallets 63 in which a plurality of fasteners 212 can be arranged according to the pattern of the grooves 63a formed in parallel along the X direction. be able to. The pallets 63 stored in the first pallet storage unit 61 and the second pallet storage unit 62 are each supported by a pallet support base 72 via a pallet support frame 71, and the pallet support frame 71 is moved up and down by a pallet lifting mechanism 73. Driven. In the first pallet storage part 61 and the second pallet storage part 62, the pallet 63 can be taken in and out while being supported by the wheel conveyor 75 from the front side.

  The pallet 63 at the uppermost stage of the first pallet storage unit 61 or the second pallet storage unit 62 is directly above the first pallet storage unit 61 or the second pallet storage unit 62, and the first pallet storage unit 61 and the second pallet storage 62 can be gripped by a pallet gripping frame 65 that can move. The pallet gripping frame 65 grips one pallet 63, and can lift and lower the gripped pallet 63 or move it along the X direction. Such an operation of the pallet gripping frame 65 may be operated by a push button 79 attached to the front edge of the first pallet storage 61 and the second pallet storage 62.

  In addition, the pallet grip frame 65 cooperates with the first pallet storage unit 61 and the second pallet storage unit 62 to move the pallet 63 between the first pallet storage unit 61 and the second pallet storage unit 62. It can be moved or a necessary pallet 63 can be taken out. When the fastener 212 is taken out from the fastener storage 60, the position of the pallet 63 to be gripped can be positioned in the XY plane.

  7 is a cross-sectional view of the sewing device 10 according to the present embodiment cut along a cross-section II-II in the top view of FIG. 2 and a cross-section III-III in the top view of FIG. The fastener supply / conveyance unit 80 extends in the Y direction from directly above the first pallet storage unit 61 to the rear edge of the top plate 12. The fastener supply / conveyance unit 80 includes a second gripper 81 that sucks the fastener 212 by vacuum. The second gripper 81 is supported by a support plate 86 via a support base 82, and is driven in the ascending / descending direction by an actuator 83 and along the Y direction by an actuator 85. The support plate 86 extends in a substantially vertical direction, and is attached to the first pallet storage unit 61 and the top plate 12 via a support column 87. A predetermined gap is provided between the first pallet storage unit 61 and the top surface of the top plate 12. Is forming. The fastener supply / conveyance unit 80 grips and takes out one fastener 212 stored in the first pallet storage unit 61 with the second gripper 81, and the placket cloth 211 at the second position P <b> 2 on the top surface of the top plate 12. It can be placed on top.

  Referring to the top view of FIG. 3 and the top view of the main part of FIG. 6, the second feeding unit 90 is configured to use the longitudinal cloth 211 and the fastener 212 that are sequentially placed on the top surface of the top plate 12. In the X direction, a second presser plate 91 that holds the vicinity of one end of the front cloth 211 and a third presser plate 92 that holds the vicinity of the other end of the front cloth 211 are provided. The second presser plate 91 and the second presser plate 92 are configured to hold the front fabric 211 in the short direction of the front fabric 211 and the fastener 212 along the Y direction while avoiding the front half. Yes. The second presser plate 91 and the third presser plate 92 are supported by a common support base 95 and are driven in the up-and-down direction by actuators 93 and 94 with respect to the support base 95, respectively. The support table 95 is driven along the X direction by the actuator 96 on the top plate 12.

  In addition, the second feeding portion 90 has the engagement teeth of the fastener 212 placed on the front cloth 211 in a state where the front cloth 211 is pressed and held by the second pressure plate 91 and the third pressure plate 92. A pair of opposing second width adjusting plates (not shown in FIGS. 3 and 6) are provided that are positioned along the Y direction. The second width adjusting plate is also supported by a support base 95 common to the second presser plate 91 and the third presser plate 92, and is driven along the up and down direction and the Y direction by an actuator (not shown). By positioning the fastener 212 along the Y direction by the second width adjusting plate, the fastener 212 is positioned with respect to the front cloth 211.

  The second feeding unit 90 is configured to use the second presser plate 91 and the third presser plate 92 for the front cloth 211 and the fastener 212 which are sequentially placed on the upper surface of the top plate 12 at the second position P2. , And the fastener 212 is positioned and held by the second width adjusting plate, and the placket cloth 211 and the fastener 212 can be sent to the third position P3. The second feeding portion 90 holds the standing cloth 211 with the second presser plate 91 and the third presser plate 92 while feeding the placket cloth 211 and the fastener 212 from the second position P2 to the third position P3. The fastener 212 can be held by the second width adjusting plate, and the positioning of the fastener 212 with respect to the front cloth 211 can be maintained.

  Referring to FIG. 3, the sewing apparatus 10 according to the present embodiment includes a first sewing machine 13 for attaching the fastener 212 to the placket cloth 211, and a third sewing machine 13 so that the fastener 212 is attached to the placket cloth 211 by the first sewing machine 13. A first sewing machine guide 100 that guides the front cloth 211 and the fastener 212 from the position P3 to the fourth position P4, the third cloth 211 and the fastener 212 are sent from the fourth position P4 to the fifth position P5. The leading cloth from the fifth position P5 to the sixth position P6 so that the cloth edge of the leading cloth 211 can be processed by the feeding unit 110, the second sewing machine 14 that processes the cloth edge of the leading cloth, and the second sewing machine 14. 211 and the second sewing machine guide part 120 for guiding the fastener 212, the fourth feed for sending the placket cloth 211 and the fastener 212 from the sixth position P6. And a section 130.

  The first sewing machine guide unit 100 includes a fourth presser plate 101 that holds and holds the placket cloth 211 and the fastener 212 on the lower surface. The fourth presser plate 101 is configured so as to press the front cloth 211 and the fastener 212 in the short direction of the front cloth 211 and the fastener 212 along the Y direction while avoiding the back half. The fourth presser plate 101 presses and holds the front cloth 211 and the fastener 212, and the first sewing machine 13 can attach the fastener 212 to the front cloth 211 while maintaining the positioning of the fastener 212 with respect to the front cloth 211. As described above, the front fabric 211 and the fastener 212 are guided from the third position P3 to the fourth position P4 so that the tape on the back side passes along the Y direction of the fastener 212 directly under the needle of the first sewing machine 13. can do.

  The third feeding unit 110 includes a fifth presser plate 111 that holds the placket cloth 211 and the fastener 212 by pressing them on the lower surface. The front cloth 211 and the fastener 212 are obtained by attaching the fastener 212 to the front cloth 211 by the first sewing machine 13. The fifth presser plate 111 is configured to hold the front fabric 211 and the fastener 212 in the short direction of the front fabric 211 and the fastener 212 along the Y direction while avoiding the front half.

  The fifth presser plate 111 is supported by a support base 114 and is driven in the up-and-down direction by the actuator 112 and along the X direction by the actuator 113. The support base 114 has a predetermined height from the upper surface of the top plate 12, and forms a predetermined gap with the upper surface of the top plate 12. The fifth presser plate 111 can hold and hold the placket cloth 211 and the fastener 212 and send them to the fifth position P5.

  Referring also to FIG. 2, the second sewing machine guide portion 120 includes a sixth presser plate 121 that holds the placket cloth 211 and the fastener 212 by pressing them on the lower surface. The sixth presser plate 121 can press the front cloth 211 and the fastener 212 so that the cloth edge of the front cloth 211 processed by the second sewing machine 14 is exposed. The sixth presser plate 121 is driven on the top plate 12 in the rotational direction by the motor 122, in the up-and-down direction by the actuator 123, along the X direction by the actuator 123, and along the Y direction by the actuator 124. The second sewing machine guide portion 120 has a predetermined portion that becomes the cloth end of the front cloth 211 directly below the second sewing machine 14 so that the second sewing machine 14 can process the cloth end of the front cloth 211. The front cloth 211 and the fastener 212 can be guided from the fifth position P5 to the sixth position P6 so as to pass. The second sewing machine guide unit 120 is configured such that the sixth presser plate 121 slides the upright cloth 211 on the top surface of the top plate 12 in the XY direction and the rotation direction, so that a straight line, a circular arc, or a combination thereof, or any combination thereof is possible. The front cloth 211 can be guided so as to follow the locus of the curved line, and the cloth end can be processed by the second sewing machine 14.

  The fourth feed unit 130 includes a seventh presser plate 131 that holds the placket cloth 211 and the fastener 212 and holds them. The seventh presser plate 131 is driven on the top plate 12 in the up and down direction by the actuator 132 and along the Y direction by the actuator 133. The seventh presser plate 131 can receive the front cloth 211 and the fastener 212 whose cloth ends are processed by the second sewing machine 14 placed at the sixth position P6 and can send it to the opening 12a of the top plate 12. .

  The sewing apparatus according to the present embodiment has a control unit (not shown). The control unit is provided with a control device for controlling a series of operations of the sewing device 10. The control device may perform sequence control. The control device may be operated by a control panel (not shown).

  FIG. 8 is a flowchart for explaining a series of operations in the sewing apparatus 10 of the present embodiment. FIG. 9 is a top view showing changes in the shape of the placket. In step S1, the front fabric 211 is supplied. The step of supplying the front cloth 211 is executed by the front cloth storage unit 20 and the front cloth supply / conveyance unit 30 of the sewing apparatus 10.

  In order to execute the step of supplying the front cloth 211, the front cloth 211 is stacked and stored in the first magazine 21 and the second magazine 22 of the front cloth storage unit 20. FIG. 9A shows the upholstery cloth 211 stored in the first magazine 21 and the second magazine 22 in the XY plane. The placket fabric 211 is made of denim fabric and has a substantially rectangular shape with the X direction as the longitudinal direction and the Y direction as the short direction, as shown in FIG. The placket 211 may be stacked such that the upper surface is the front of the fabric and the lower surface is the back of the fabric.

  One of the first magazine 21 and the second magazine 22 is adjacent to the front cloth supply / conveyance section 30 and is located at a predetermined position where the first gripper 31 of the front cloth supply / conveyance section 30 can reach. Thus, an operation state in which the placket cloth 211 is taken out is set, and the other is in a standby state. Even if one of the first magazine 21 and the second magazine 22 is in an operating state, the other in the standby state does not interact with the front cloth supply / conveyance unit 30 and therefore freely replenishes the front cloth 211. be able to.

  Since the sewing apparatus 10 according to the present embodiment includes the first magazine 21 and the second magazine 22, the other is in a standby state while one is operated and the material is supplied. In the standby state, the front cloth 211 is replenished to the magazine. By alternately repeating the operation state and the standby state, the front cloth 211 is not interrupted without interrupting the operation to replenish the front cloth 211 to the magazine. Can be supplied.

  In one of the first magazine 21 and the second magazine 22 in the operating state, the first gripper 31 of the front cloth supply and conveyance unit 30 grips and lifts the front cloth 211 one by one. In the present embodiment, since the first gripper 31 is a needle gripper, the needle 31a is inserted into and gripped by one piece of material at the top of the stacked upholstery cloth 211.

  In the present embodiment, by using a needle gripper as the first gripper 31, the needle 31 a can be inserted into one piece of the top portion of the stacked upholstery cloth 211 and reliably gripped. The first gripper 31 is not limited to the needle gripper, and other types such as a vacuum gripper may be used depending on the cloth of the front cloth 211.

  In one of the first magazine 21 and the second magazine 22 in the operating state, the top portion of the placket 211 is raised until it reaches a reference height that is substantially the same height as the top surface of the top plate 12. It may be raised. When the first gripper 31 descends and reaches the reference height, one piece of material on the top of the stacked upholstery cloth 211 may be gripped.

  When the first gripper 31 grips one sheet of the front cloth 211, the first gripper 31 rises together with the gripped front cloth 211 and moves along the Y direction to a position directly above the first position P <b> 1 of the front cloth positioning portion 40. 12 until it reaches a predetermined distance from the upper surface of 12 and releases the placket 211 so as to be placed at the first position P1. The placket 211 may be placed such that the upper surface is the front side of the fabric and the lower surface is the back side of the fabric. Since the first gripper 31 according to the present embodiment is a needle gripper, the front cloth 211 is released by retracting the needle 31 a that has been gripped by being inserted into the front cloth 211. The first gripper 31 may rise to a predetermined height after releasing the placket 211.

  In step S2, the front cloth 211 is positioned. FIG. 10 is a diagram for explaining the positioning of the placket 211. In the sewing apparatus 10, the step of positioning the front fabric 211 is executed by the front fabric positioning unit 40. FIG. 10A is a top view showing a state in which the front cloth 211 is placed at the first position P1 in the front cloth positioning unit 40. FIG. The push plate 41 driven in the X direction by the actuator 45 is in the retracted position. The pair of first width adjusting plates 42 and 43 driven along the Y direction by the actuators 46 and 47 are also retracted. The upholstery cloth 211 placed at the first position P1 has the orientation shown in FIG. 9A in the XY plane.

  FIG. 10B is a top view showing a state where the front cloth 211 is positioned by the front cloth positioning unit 40. The push plate 41 protrudes to a predetermined position in the X direction, and pushes one end of the facing cloth 211 that is opposed to and is positioned along the X direction. The first width-adjusting plates 42 and 43 each protrude to a predetermined position in the Y direction, and the side edges of the facing fabric that are in contact with each other are width-adjusted and positioned along the Y-direction. The positioned upholstery cloth 211 also has the same orientation as in FIG. 9B in the XY plane.

  In the placket positioning part 40 of the present embodiment, the push plate 41 can move along the X direction, and the first width-shifting plates 42 and 43 can move along the Y direction. Therefore, it is possible to easily cope with the plackets 211 having different sizes by appropriately moving the push plate 41 and the first width adjusting plates 42 and 43.

  When the front cloth 211 is positioned, the first presser plate 51 of the first feeding unit 50 presses and holds the front cloth 211 on the lower surface. The first presser plate 51 is configured in such a shape as to hold the front fabric in the short direction of the front fabric 211 along the Y direction while avoiding the back half. When the front cloth 211 is held by the first pressing plate 51, the pressing plate 41 and the first width adjusting plates 42 and 43 return to the original retracted positions.

  The first presser plate 51 advances the upholstery cloth 211 in the X direction while sliding the upper surface of the top plate 12 to the second position P2. FIG. 6 shows the placket cloth 211 sent to the second position P2 by the first presser plate 51. The placket 211 sent to the second position P2 also has the same orientation as in FIG. 9B in the XY plane.

  FIG. 11 is a top view for explaining the operation of the second feeding unit 90. As shown in FIG. 11 (a), the front cloth 211 sent to the second position P2 by the first feeding unit 50 is received by the second feeding unit 90, and the second pressing plate 91 and the third pressing plate 91 The presser plate 92 is pressed and held by the lower surface. When the front cloth 211 is received by the second feeding section 90, the first feeding section 50 releases the front cloth 211. The first presser plate 51 rises to release the front cloth 211.

  The front cloth 211 is held in the X direction of the longitudinal direction by pressing and holding the vicinity of one end by the second presser plate 91 and holding the other end by the third presser plate 92. The 2nd presser plate 91 and the 3rd presser plate 92 are comprised in the shape which presses the front cloth 211 while avoiding the half of a front side along the Y direction in the transversal direction of the front cloth 211.

  In step S3, the fastener 212 is supplied. The step of supplying the fastener 212 is executed by the fastener storage unit 60 and the fastener supply transport unit 80 of the sewing apparatus 10. In order to execute the step of supplying the fasteners 212, the pallet 63 in which a plurality of fasteners 212 are arranged along the pattern of the grooves 63a formed in parallel is provided in the first pallet storage portion 61 of the fastener storage portion 60. It shall be stored in a stack. FIG. 9B shows the fastener 212 arranged on the pallet 63 in the XY plane in the first pallet storage 61 and the second pallet storage 62. The fastener 212 may be disposed such that the upper surface is the front and the lower surface is the back.

  In the fastener storage section 60, the pallet gripping frame 65 can be stacked on the first pallet storage section 61 and the second pallet storage section 62 to grip the pallet 63 in the uppermost stage. In addition, the gripped pallet 63 can be stacked and placed on the uppermost pallet 63 of the first pallet storage 61 and the second pallet storage 62 by the pallet gripping frame 65. The pallet gripping frame 65 moves the pallet 63 to be gripped along the X direction so that the fastener 212 arranged at a predetermined position of the pallet 63 to be gripped can be reached by the second gripper 81 of the fastener supply / conveyance unit 80. be able to.

  In the present embodiment, one pallet 63 gripped by the pallet gripping frame 65 is in an operating state in which the fastener supply and transport unit 80 supplies the fastener 212. Since the other pallets stored in the first pallet storage unit 61 and the second pallet storage unit 62 are in a standby state and do not interact with the fastener supply / conveyance unit 80, the first pallet storage unit 61 and the second pallet storage unit The pallet storage unit 62 can be freely put in and out. Therefore, the fastener 212 can be supplied without interruption without interrupting the operation for putting the pallet 63 in and out of the first pallet storage 61 or the second pallet storage 62.

  Further, in the present embodiment, since the first pallet storage unit 61 and the second pallet storage unit 62 are provided, for example, the pallet gripping frame 65 with the pallet 63 in which the fasteners 212 are arranged in the first pallet storage unit 61 is put. The pallet gripping frame 65 sends the empty pallet 63 from which all the arranged fasteners 212 have been taken out to the second pallet storage part 62, and takes out the empty pallet 63 from the second pallet storage part 62, thereby The pallet 63 can flow from the pallet storage unit 61 to the second pallet storage unit 62 in one direction. By using the first pallet storage unit 61 for receiving the pallet 63 and using the second pallet storage unit 62 for taking out the pallet 63, the operation can be facilitated.

  In the pallet 63 gripped by the pallet gripping frame 65 directly above the first pallet storage 61, the second gripper 81 of the fastener supply / conveyance section 80 grips and lifts the fasteners 212 one by one. In the present embodiment, since the second gripper 81 is a vacuum gripper, the fastener 212 is sucked and held by vacuum.

  In the present embodiment, by using a vacuum gripper as the second gripper 81, the fastener 212 having a thickness including the service teeth can be reliably gripped regardless of the thickness. The second gripper 81 is not limited to the vacuum gripper, and other types such as a needle gripper may be used depending on the type of the fastener 212.

  The pallet gripping frame 65 can move along the X direction together with the pallet 63 to be gripped so that the fastener 212 to be gripped can be reached by the second gripper 81. For example, the pallet gripping frame 65 may move the pallet 63 to be gripped so that the fastener 212 to be gripped by the second gripper 81 is positioned directly below the fastener supply / conveyance unit 80.

  When gripping the fastener 212, the second gripper 81 rises together with the gripped fastener 212, moves along the Y direction to the position immediately above the second position P2, and descends until reaching a predetermined distance from the upper surface of the top plate 12. Then, the fastener 212 is released so as to be placed at the second position P2. At the second position P2, the front cloth 211 held by the second presser plate 91 and the second presser plate 92 of the second feeding portion 90 is placed, and the fastener 212 is placed on the front cloth 211. Placed.

  Since the second gripper 81 of the present embodiment is a vacuum gripper, the fastener 212 is released by stopping the suction of the fastener 212 by the vacuum. The second gripper 81 may rise to a predetermined height after releasing the fastener 212. The placket 211 and the fastener 212 at the second position P2 are as shown in FIG. 9C in the XY plane.

  As shown in FIG. 11B, the fastener 212 is held and held by the lower surfaces of the second presser plate 91 and the third presser plate 92 so that the X direction is the longitudinal direction at the second position P2. The front cloth 211 is placed approximately at the center of the upper surface so that the X direction is the longitudinal direction. Here, the second presser plate 91 and the third presser plate 92 have a structure that avoids the fastener 212 placed on the upper surface of the placket 211.

  In step S4, the fastener 212 is positioned. In the sewing apparatus 10, the step of positioning the fastener is executed by the second feeding unit 90. As shown in FIG. 11 (d), in the second position P2, the upholstery cloth that is held by the second presser plate 91 near one end and the lower surface of the third presser plate 92 near the other end. A pair of opposing second width adjusting plates 98 and 99 are placed on one side and the other side of the tape of the fastener 212 placed on the upper surface of 211. In the drawing, cross sections of the second width adjusting plates 98 and 99 are shown. Then, as shown in FIG. 11 (d), by engaging the second width adjusting plates 98 and 99 on the upper surface of the tape on one side and the other side, respectively, the service teeth are adjusted, thereby providing the service teeth. Is positioned in the Y direction to position the fastener 212. By such positioning of the fastener 212, the relative positioning of the fastener 212 with respect to the placket 211 is also performed.

  The second feeding portion 90 presses and holds the front cloth on the lower surfaces of the second presser plate 91 and the third presser plate 92, and positions the service teeth of the fastener 212 with the second width adjusting plates 98 and 99. For this reason, the upper surface of the top plate 12 is slid and moved in the X direction in a state of being gripped by being shifted to the third position P3.

  In the present embodiment, the fastener 212 is positioned by shifting the engagement teeth of the fastener 212 with a pair of opposing second width-shifting plates 98 and 99. Therefore, it is possible to easily position the fasteners 212 of different sizes by shifting the width similarly. Further, in the second feeding portion 90, the positioning operation of the fastener 212 and the operation of feeding the placket cloth 211 and the fastener 212 to the third position P3 are performed in combination, so the mechanism corresponding to these operations is small. It is planned.

  In step S <b> 5, the fastener 212 is attached to the placket 211. The step of attaching the fastener 212 to the placket 211 is executed by the first sewing machine guide 100 and the first sewing machine 13 of the sewing apparatus 10.

  Referring to FIG. 3, the front cloth 211 and the fastener 212 sent to the third position P <b> 3 by the second feeding portion 90 are received by the first sewing machine guide portion 100. When the front cloth 211 and the fastener 212 are received by the first sewing machine guide 100, the second feeding section 90 releases the front cloth 211 and the fastener 212. The second presser plate 91 and the third presser plate 92 of the second feeding portion 90 are lifted to release the front cloth 211, and the second width adjusting plates 98 and 99 are separated and held by the fastener 212. Free your teeth.

  The first sewing machine guide unit 100 includes the first and second standing cloths 211 and 2 held by the lower surfaces of the second presser plate 91 and the third presser plate 92 of the second feed unit 90 at the third position P3. The fasteners 212 held by the width adjusting plates 98 and 99 of the fourth presser plate 101 so as to avoid the second presser plate 91, the third presser plate 92, and the second width adjuster plates 98 and 99. The front side along the Y direction in the short direction of the placket 211 and the fastener 212 is pressed and held on the lower surface. The front cloth 211 and the fastener 212 held by the fourth presser plate 101 at the third position P3 are as shown in FIG. 9C in the XY plane.

  The first sewing machine guide unit 100 holds the front cloth 211 and the fastener 212 by pressing them on the lower surface of the fourth presser plate 101, and as shown in FIG. 9D, the longitudinal direction of the front cloth 211 and the fastener 212. From the third position P3 so that the tape on the back side is sewn to the placket 211 by the main sewing with two needles along the Y direction of the fastener 212 along the straight line 213 extending along the X direction. Advancing in the X direction to the fourth position P4, the front cloth 211 and the fastener 212 are guided by sliding the upper surface of the top plate 12 with respect to the first sewing machine 13. The fourth presser plate 101 guides the placket cloth 211 and the fastener 212 so that the straight line 213 that sews the tape of the fastener 212 to the placket cloth 211 passes immediately below the needle of the first sewing machine 13 at a predetermined speed. . The placket 211 to which the fastener 212 at the fourth position P4 is sewn is as shown in FIG. 9D in the XY plane.

  The third feeding portion 110 receives the placket cloth 211 and the fastener 212 sent to the fourth position P4 by the first sewing machine guide portion 100. When the front cloth 211 and the fastener 212 are received by the third feeding part 110, the first sewing machine guide part 100 releases the front cloth 211 and the fastener 212. The fourth presser plate 101 of the first sewing machine guide unit 100 rises to release the front cloth 211 and the fastener 212.

  The third feeding portion 110 is configured to provide a fourth presser plate for the front cloth 211 and the fastener 212 held and held by the lower surface of the fourth presser plate 101 of the first sewing machine guide portion 100 at the fourth position P4. In order to avoid 101, the lower surface of the front presser cloth 211 and the fastener 212 is pressed and held on the lower surface of the fifth presser plate 111 in the short direction. The front standing cloth 211 and the fastener 212 held by the fifth presser plate 111 at the fourth position P4 are as shown in FIG. 9D in the XY plane.

  The fifth presser plate 111 holds the placket cloth 211 and the fastener 212 while pressing them on the lower surface, and slides the upper surface of the top plate 12 in the X direction to move to the fifth position P5. The placket 211 and the fastener 212 at the fifth position P5 are as shown in FIG. 9D in the XY plane.

  In step S6, the fabric edge of the placket 211 is processed. The process of processing the cloth edge of the placket cloth 211 is executed by the second sewing machine guide 120 and the second sewing machine 14 of the sewing apparatus 10.

  The second sewing machine guide unit 120 receives the placket cloth 211 and the fastener 212 sent to the fifth position P5 by the third feeding unit 110. When the placket cloth 211 and the fastener 212 are received by the third feed section 110, the third feed section 110 releases the placket cloth 211 and the fastener 212. The fifth presser plate 111 of the third feeding unit 110 rises to release the front cloth 211.

  The sixth presser plate 121 of the second sewing machine guide portion 120 is held at the third position P5 by the lower surface of the fifth presser plate 111 of the third feed portion 110 and held by the front cloth 211 and the fastener 212. In order to avoid the fifth presser plate 111, the front side of the front standing cloth 211 and the fastener 212 along the short direction Y is pressed and held on the lower surface. The front standing cloth 211 and the fastener 212 held by the sixth presser plate 121 at the fifth position P5 are as shown in FIG. 9D in the XY plane.

  FIG. 12 is a diagram for explaining the operation of the second sewing machine guide 120. As shown in FIG. 12A, the sixth presser plate 121 holds the front side of the placket cloth 211 and the fastener 212 along the short direction in the Y direction by holding it on the bottom surface and holds the back surface along the Y direction. One end side is exposed in the longitudinal direction along the X direction.

  As shown in FIG. 12 (b), the sixth presser plate 121 is slid along the upper surface of the top plate 12 with the front cloth 211 and the fastener 212 held and held by the lower surface, and is rotated while being rotated. The cloth end is cut with a scalpel so as to draw an arc on the side of the back side along the Y direction from one end of the front cloth 211 with the second sewing machine 14 and overrun by three or four needles Guide to lock sewing. The sixth presser plate 121 guides the front cloth 211 and the fastener 212 so that the front cloth 211 passes under the needle of the second sewing machine 14 at a speed synchronized with the second sewing machine 14 while drawing an arc. .

  When round-shaped overlock sewing 214 is formed on the placket cloth 211, as shown in FIGS. 12 (c) and 12 (d), the sixth presser plate 121 is over-shaped so as to draw a round. Following the lock sewing 214, the front cloth 211 and the fastener 212 are advanced in the longitudinal direction along the Y direction to the front side, and the front cloth 211 extends along the straight line directly below the needle of the second sewing machine 14. The overlock sewing 214 is guided to be formed on the side portion of the plait fabric so as to pass at a speed synchronized with the sewing machine.

  When the processing of the cloth edge of the front cloth 211 shown in FIGS. 12A to 12D is finished, the sixth pressing plate 121 guides the front cloth 211 and the fastener 212 to the sixth position P6. . When the sixth presser plate 121 is guided to the front cloth 211 and the fastener 212, it rises to release the front cloth 211 and the fastener 212 so that the front cloth 211 and the fastener 212 are placed at the sixth position P6. As shown in FIG. 9E, the placket 211 and the fastener 212 placed at the sixth position P6 constitute a placket fastener part 210 in the XY plane.

  In the present embodiment, the sixth presser plate 121 of the second sewing machine guide 120 can be driven in the XY direction and the rotational direction. Therefore, the front cloth 211 can be guided to the second sewing machine 14 so as to process the cloth edge of the front cloth 211 in a desired shape. In addition, it is possible to easily cope with different size plackets.

  The fourth feeding portion 130 holds the front cloth 211 and the fastener 212 placed at the sixth position P6 by the second sewing machine guide portion 120 by the seventh presser plate 131, and holds the top plate 12. The upper surface is slid and fed to the front side along the Y direction so that the front cloth 211 and the fastener 212 reach the opening 12 a of the top plate 12. The placket 211 and the fastener 212 that have reached the opening 12a fall from the top plate 12 and are received by a container (not shown).

  Through a series of steps from step S1 to step S6, the front zipper component can be sewn from the material front fabric 211 and the fastener 212. Since the sewing of the front fastener part is automated without manual operation, the quality of the front fastener part can be stabilized and the amount of sewing can be increased.

  In the present embodiment, the supply of the front cloth 211 in step S1, the positioning of the front cloth 211 in step S2, the supply of the fastener 212 in step S3, the positioning of the fastener 212 in step S4 shown in the flowchart of FIG. By performing the steps of attaching the fastener 212 to the plaster cloth 211 in S5 and processing the cloth end of the placket cloth 211 in step S8 in synchronization with a predetermined timing, the operation in the sewing apparatus 10 is advanced in a seamless manner. be able to. This timing may be set based on the speed at which the front cloth 211 and the fastener 212 are sewn by the first sewing machine 13 and the second sewing machine 14.

  The sewing apparatus 10 according to the present embodiment can easily cope with the front cloth 211 and the fastener 212 having different sizes by changing the positions of the front cloth 211 and the fastener 212. For example, it is possible to cope with sewing of front zipper parts of jeans and slacks from 27 inches to 42 inches. Further, by changing the sewing shape, the cloth edge of the placket 211 can be sewn in a different shape.

  In the sewing apparatus 10 according to the present embodiment, the size change of the placket cloth 211 and the fastener 212 is performed by exchanging the pallet 63 in which the first magazine 21 and the second magazine 22 storing the placket cloth 211 and the fastener 212 are arranged. Then, the setting is performed by switching the setting values of the pair of second width adjusting plates 98 and 99 for positioning the front cloth positioning portion 40 for positioning the front cloth 211 and the fastener 212. For example, the fastener width can be switched between 29 mm and 32 mm. In addition, the change of the sewing shape of the front cloth 211 is performed by changing the setting of the first sewing machine guide 100 for the sewing length of the main sewing stitch to which the fastener 212 of the front cloth 211 is attached. The shape of the overlock sewing for processing is performed by changing the setting of the second sewing machine guide 120. These settings may be changed by calling a size and a sewing pattern stored in a control unit (not shown).

DESCRIPTION OF SYMBOLS 10 Sewing apparatus 11 Base 12 Top plate 13 1st sewing machine 14 2nd sewing machine 20 Front standing cloth storage part 30 Front standing cloth supply conveyance part 40 Front standing cloth positioning part 50 First feed part 51 First presser board 60 Fastener storage part 80 Fastener supply conveyance unit 90 Second feed unit 91 Second presser plate 92 Third presser plate 100 First sewing machine guide unit 101 Fourth presser plate 110 Third feed unit 111 Fifth presser plate 120 Second guide for sewing machine 121 Sixth presser plate 130 Fourth feed unit 131 Seventh presser plate 211 Front cloth 212 Fastener P1 to P6 Position of the front cloth in each step

Claims (13)

A sewing device for sewing a front zipper part of a trouser from a placket cloth and a fastener,
A stand having a top plate;
A front cloth storage portion that is attached to a side of the gantry, has an upper opening, and stores and stores the front cloths;
Fastener storage part including a pallet that is attached to a side part of the mount and stores fasteners in an array;
A first gripper that takes out the front cloths stored in the front cloth storage section one by one, and places the first cloth on the first position of the top plate;
A front cloth positioning portion for positioning the front cloth placed in the first position;
A first feeding section for feeding the positioned front cloth from the first position to the second position of the top plate along the top surface of the top plate;
A second gripper for taking out the fasteners stored in the fastener storage part one by one and placing the fasteners on the positioned front cloth;
A fastener positioning portion for positioning a fastener placed on the positioned placket;
A first sewing machine for attaching a fastener to a placket;
A first sewing machine that guides the front cloth and the fastener respectively positioned along the top surface of the top plate with respect to the first sewing machine so that the first sewing machine can attach the fastener to the front cloth. For guidance,
A second sewing machine for treating the fabric edge of the placket,
A second sewing machine that guides a front cloth having a fastener attached to the second sewing machine along an upper surface of the top plate, and allows the second sewing machine to process a cloth edge of the front cloth; Sewing apparatus including a sewing machine guide.   The sewing device according to claim 1, wherein the fastener is attached to the placket by main sewing with the first sewing machine.   The second sewing machine guide unit moves and rotates the front cloth to which a fastener is attached in a plane in which the upper surface of the top plate extends, and the second sewing machine has a predetermined shape at the cloth edge of the front cloth. The sewing apparatus according to claim 1 or 2, wherein the overlock sewing is performed on the cloth end by cutting the cloth into two pieces.   The sewing apparatus according to claim 3, wherein the predetermined shape includes at least one of a straight line and an arc.   The sewing apparatus according to claim 3, wherein the predetermined shape includes a shape based on an arbitrary curve.   The front cloth positioning portion is a pair of opposing plates that push the front cloth in a predetermined direction and a width of the front cloth in a direction substantially orthogonal to the predetermined direction in a plane in which the upper surface of the top plate extends. The sewing device according to any one of claims 1 to 5, comprising a first width adjusting plate.   The said fastener positioning part contains a pair of 2nd opposing width-alignment board which opposes the fastener mounted on the positioned upright cloth about a service tooth. Sewing device.   The apparatus further includes a second feeding part that receives the placket and the fastener from the second position and sends the placket and the fastener to a third position along the upper surface of the top plate, and the second feeding part includes the fastener positioning part. Item 8. The sewing device according to any one of Items 1 to 7.   The sewing apparatus according to claim 8, wherein the first sewing machine guide portion receives a front cloth and a fastener from the third position, and sends them to a fourth position via sewing by the first sewing machine.   The apparatus further includes a fourth feeding portion that receives the placket cloth and the fastener from the fourth position and sends the placket cloth and the fastener to the fifth position along the upper surface of the top plate, and the second sewing machine guide portion is the fifth position. The sewing apparatus according to claim 9, wherein the sewing machine guides the sewing by the second sewing machine by receiving a front cloth and a fastener from the sewing machine.   The said 1st gripper and the said 2nd gripper are the needle | hook grippers which hold | grip a front cloth by taking in and out a needle | hook from a lower surface, or the vacuum gripper which adsorb | sucks a fastener by a vacuum. The sewing device as described.   The sewing apparatus according to any one of claims 1 to 11, wherein the front cloth storage unit includes a plurality of magazines that store the front cloths in a stacked manner. The sewing device according to any one of claims 1 to 12, wherein the fastener storage portion includes a plurality of pallets that store and arrange fasteners.

Images