JP2005137541A - Sewing work set apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sewing work set apparatus capable of continuously feeding a cloth piece to a sewing machine even if the front and rear of the cloth piece are irregular on a cloth mount table. <P>SOLUTION: The sewing work set apparatus comprises a conveying means for conveying the cloth piece toward the sewing machine, the cloth stacking table disposed on the upstream side of the conveying means, a pick-up means for picking up the clothe piece of the cloth stacked on the cloth stacking table, a gripping member for gripping the cloth piece picked up by the pick-up means, and a transporting means for transporting the cloth piece gripped by the gripping member. The sewing work set device also has a discrimination means for discriminating the state of the front and rear of the cloth piece on the cloth stacking table and an engagement means disposed above the conveying means to move forward/backward. The cloth piece is transported by the transportation means while being rolled up by the stacked cloth, and the engagement means moves forward above the transportation means according to the state of the front and rear of the cloth piece discriminated by the discrimination means to engage with the cloth piece being transported from the upstream side of the direction of transportation. The engagement means is retreated after the state of the front and rear of the cloth piece is modified to a prescribed state on the transportation means. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a sewing work set device that unifies the front and back sides of a fabric piece and unifies the front and back relationships and continuously supplies them to a sewing machine or the like.

  As a conventional sewing work setting device, a conveying means for conveying a piece of cloth toward a sewing portion of a sewing machine, a cloth loading table arranged on the upstream side of the conveying means, and a laminated cloth stacked on the cloth loading table Pick-up means for picking up a piece of dough, a gripping member for gripping the dough piece picked up by the pick-up means in place of the pick-up means, and the dough piece gripped by the gripping member together with the gripping member along the conveying direction There exists a structure which consists of a transfer means to perform (for example, refer patent document 1).

  According to such a configuration, the fabric pieces stacked on the fabric loading table are individually picked up by the pickup means, and the gripping member grips the fabric pieces instead of the pickup means. After the gripping member is transferred onto the conveyor belt by the transfer means, the gripping on the dough piece is released. As a result, the pieces of the laminated fabric stacked on the fabric stacking table are transferred onto the transport surface of the transport means.

JP-A-47-22254 (pages 7-8 and 25-30)

  However, in the conventional sewing work set device, if the front and back of the fabric pieces loaded on the fabric loading table are not unified, the front and back of the fabric pieces transferred to the conveyance surface of the conveyance means will not be unified, There was a problem that sewing could not be performed.

  Accordingly, an object of the present invention is to provide a sewing work setting device that can continuously supply a sewing machine even if the fabric pieces loaded on the fabric loading table are uneven.

  In order to achieve the above object, the present invention provides a conveying means having a conveying surface for conveying a piece of cloth toward a sewing portion of a sewing machine, a cloth loading table disposed upstream of the conveying means, and the cloth loading Pickup means for picking up the uppermost fabric piece of the laminated fabric loaded on the table, a gripping member for gripping the fabric piece picked up by the pickup means in place of the pickup means, and the fabric piece gripped by the gripping member In the sewing work set device, the cloth pieces are placed on the conveyance surface of the conveyance means individually, and the cloth pieces are placed in the front and back states. Discriminating means for discriminating on the dough loading table, and engaging means arranged so as to be able to advance and retreat above the conveying surface of the conveying means. The engaging means advances above the conveying surface according to the front and back state of the fabric piece by the discriminating means, and engages with the fabric piece being transferred from the upstream side in the conveying direction, on the conveying surface. The engaging means is retracted from the conveying surface after the dough piece to be placed is brought into a predetermined front and back state.

  It is to be noted that the discrimination means engages with the fabric piece from above and extends in the direction of the side edge line in the vicinity of the side edge portion of the fabric piece, and a detection sensor for detecting the upper curl generated by the extension of the fabric piece of the extension member And a pressing member that presses the stretching member against the upper surface of the laminated fabric when the fabric is stretched, and it is desirable to determine the front and back state of the fabric piece based on the detection result of the detection sensor.

  The pick-up means is composed of a pick-up chuck that has a chuck part that chucks a piece of cloth at the tip part and can be moved up and down, a rotary actuator attached to the pick-up chuck, and a pressing means that presses the laminated cloth from above. When picking up the dough piece by the pick-up chuck, the pick-up chuck is instantaneously extended and shaken along the transfer direction of the transfer means by the rotary actuator, and the laminated dough is pressed against the dough loading table by the pressing means. . The gripping member is provided with two gripping portions of the cloth piece, one of which is provided with an air cylinder that moves along the transfer direction during transfer of the cloth piece by the transfer means, and the side edge of the stitching portion of the cloth piece is provided on the conveying means. You may make it follow a conveyance direction.

  Further, the fabric loading table is configured based on a placement surface on which the laminated fabric is placed, a position sensor for detecting the height position of the uppermost layer of the laminated fabric placed on the placement surface, and detection of the position sensor. It is composed of a lift actuator that raises and lowers the placement surface, and operates the lift actuator based on the position sensor so that the position of the uppermost layer of the laminated fabric placed on the placement surface keeps a certain height The pickup chuck includes an air cylinder that moves the pickup chuck up and down by a fixed stroke amount, and a cloth presence sensor that detects a damping stroke amount of the pickup chuck from the fixed stroke amount by the air cylinder. Includes a placement surface on which the laminated fabric is placed, and the placement surface is raised and lowered based on the detection of the fabric presence sensor so as to keep the height position of the uppermost fabric piece constant. There.

  As described above, according to the present invention, even if the front and back sides of the dough pieces loaded on the dough loading table are uneven, the dough pieces to be transferred to the conveying means are continuously placed on the sewing machine in a predetermined state. It can be supplied efficiently. Further, the dough piece can be brought into a predetermined front and back state without substantially changing the carrying distance of the dough.

  If the front and back states of the cloth are reliably determined on the cloth loading table and the cloth pieces are transferred from the cloth loading table to the conveying means based on this determination, the cloth can be continuously and efficiently supplied to the sewing machine.

  If the pickup chuck is picked up while being stretched and shaken instantaneously, one piece of the dough can be picked up reliably without breaking the laminated dough loaded on the dough loading table.

  Furthermore, if one of the gripping portions of the gripping member can be moved, the cloth piece side of the gripping member is not arranged along the direction perpendicular to the conveying direction depending on the shape of the cloth piece. The edge can always be along the conveying direction.

  If the position of the uppermost layer in the laminated fabric is kept at a certain height by the lifting actuator of the fabric loading table, the pickup means is connected to the uppermost fabric piece of the laminated fabric without changing the installation height of the pickup means. Can be combined. Further, if the lifting / lowering actuator of the fabric stacking base is operated according to the lowered position of the pickup means, the pickup means can be reliably engaged with the uppermost layer fabric piece of the laminated fabric.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an overall perspective view of a sewing work setting device applied to the present invention. In the same figure, a conveyance means conveys a cloth piece toward the sewing part of a sewing machine (not shown), and is composed of a plurality of narrow belts 1a arranged in parallel at intervals. The plurality of narrow belts 1a are mounted on a table (not shown), and one end thereof is connected to the drive motor 2 via a connecting belt 2a as shown in FIG. By the operation of the drive motor 2, each narrow belt 1a has a transport surface 1b for transporting the cloth pieces in the direction of arrow F.

  A dough loading table 3 is disposed on the upstream side in the conveyance direction of the narrow belt 1a. The fabric loading table 3 includes a placement surface 4, a position sensor 5 that detects the height position of the stacked fabric WW loaded on the placement surface 4, and the placement surface 4 up and down based on the detection of the position sensor 5. It consists of a lift actuator 6 that moves up and down. The mounting surface 4 has a substantially square shape, and the height of the upper surface thereof is at a level below the conveying surface 1b. The placement surface 4 of the dough loading table is attached to the tip of the piston rod 6 a of the lifting actuator 6 fixed to the machine frame A, and the lifting actuator 6 is disposed below the placement surface 4. The position sensor 5 includes a reflecting plate 5 a, and both 5 and 5 a are disposed opposite to each other on the mounting surface 4.

  Above the dough loading table 3, a discriminating means 7 for discriminating the front / back state of the upper surface of the uppermost layer fabric piece of the laminated fabric WW loaded on the dough loading table 3, and the uppermost layer piece of the laminated fabric WW are picked. Pickup means 8 to be raised is arranged. As shown in FIG. 11, the discriminating means 7 extends the vicinity of the side edge of the uppermost layer fabric piece of the laminated fabric WW in the direction of the side edge line, and presses the extension member 9 against the upper surface of the laminated fabric WW. The pressing member 10 (see FIG. 4) and the detection sensor 11 for detecting the upper curl generated in the uppermost layer fabric piece by the extension member 9. Further, a pressing member 100 (pressing means) is arranged at a predetermined interval from the determining means 7. The pressing member 100 includes a pressing piece 101 that engages with the upper surface of the laminated fabric WW. The pressing piece 101 is slidably supported by the operating piece 103 attached to the tip of the piston rod 102 a of the elevating air cylinder 102, and the support portion of the pressing piece 101 is interposed in the compression spring 104. The pressing piece 101 supported by the operating piece 103 by the operation of the elevating air cylinder 102 elastically presses the upper surface of the laminated fabric WW.

  The extension member 9 includes a fixed pressing tool 12 and a movable pressing tool 13, and both pressing tools 12, 13 are arranged along the transport direction F. As shown in FIG. 11, the fixed pressing tool 12 includes a needle 18 fixed to the support 16 with a screw 17, and the support 16 is fixed to the bracket 15. The needle 18 is oriented so as to be substantially perpendicular to the placement surface 4 of the dough stack 3. The bracket 15 is provided with a guide bar 15a protruding upward. The movable pressing tool 13 has a pressing tooth 19, and the pressing tooth 19 is attached to the tip of the piston rod 21 a of the air cylinder 21 fixed to the bracket 15 with a screw 20. When the piston rod 21a advances and retreats by the aerodynamic force supplied from the high-pressure air source (not shown) through the pipe 21b, the distance between the pressing tooth 19 and the fixed pressing tool 12 is changed.

  The pressing member 10 includes a portal bracket 22 and a lift air cylinder 23 that lifts and lowers the portal bracket 22 via a piston rod 23a. The portal bracket 22 is provided with a stepped screw 24, and the stepped screw 24 is connected to the bracket 15 through a long hole 15b. Further, guide holes 25, 25 are formed in the bent horizontal portion of the gate bracket 22, and the guide holes 25, 25 can slide on guide rods 15a, 15a having compression springs 26, 26 interposed therebetween. I support it. The pressing tools 12 and 13 are moved up and down by operating the lifting air cylinder 23 and moving the portal bracket 22 fixed to the piston rod 23a up and down. The detection sensor 11 includes a light emitting element 11a and a light receiving element 11b, and is disposed in the vicinity of the movable pressing tool 13 in a direction orthogonal to the arrangement direction of the pressing tools 12, 13. The detection sensor 11 is attached to an h-type bracket 15c fixed to the bracket 15 with a screw 15d. This detection sensor 11 is a transmission type. The movable pressing tool 13 moves across the detection area of the detection sensor 11. The discriminating means 7 configured as described above discriminates whether the dough piece is in a predetermined front / back state at the transfer position to the conveying means.

  The pick-up means 8 includes pick-up chucks 8a and 8b that can grip and release the upstream side in the transport direction of the uppermost fabric piece of the laminated fabric WW, and a lift air cylinder 30 that moves the chucks 8a and 8b up and down. It is made up of. Two pickup chucks 8a and 8b are arranged side by side along a direction intersecting the transport direction, and have rotary actuators 27A and 27B, respectively. The rotary actuators 27A and 27B are connected to the piston rod 30a of the elevating air cylinder 30 via the bracket 28. The elevating air cylinder 30 is located in the middle of the support pieces 31, 32 arranged opposite to each other on the machine frame A, and is fixed to the support bracket 33. The support bracket 33 has a perforated round hole 34 and an arcuate long hole 35. One end of the support bracket 33 is fixed to the support piece 31 so as to be rotatable by the first lever 36, and the other end is fixed to the support plate 32 by the second lever 37 so that the arc motion can be adjusted via the arc-shaped elongated hole 35. Yes. Since the support bracket 33 can be rotated horizontally around the round hole 34, the arrangement of the pickup chucks 8a and 8b can be adjusted according to the shape of the laminated fabric WW stacked on the fabric stacking table. The lift air cylinder 30 of the pick-up means 8 is provided with a cloth presence / absence sensor (not shown) for detecting an attenuation stroke amount from a fixed stroke amount of the piston rod 30a. The placement surface is raised and lowered so as to keep the height position of the uppermost fabric piece of the loading table 3 constant.

  A transfer means 38 is arranged above the dough stack 3 and the narrow belt 1a. As shown in FIG. 6, the transfer means 38 is attached to the operating piece 39 a of the rodless cylinder 39 fixed to the machine frame A in a state along the conveying direction F, and the dough piece picked up by the pickup means 8. W is gripped by the gripping member 40 instead of the pickup means 8. The holding member 40 is disposed on brackets 41 and 42 fixed to the operating pieces 39a and 39b of the rodless cylinder 39, and includes a first fixed piece 43, a first movable piece 44, and a second fixed piece (not shown). A second movable piece 45 is provided. With respect to the operating pieces 39a and 39b of the rodless cylinder 39 and the brackets 41 and 42, the fastening positions can be changed by the long holes 41a and 42a and the screws 47a and 47b along the conveying direction F. The first fixed piece 43 is fixed to the bracket 41 with screws. The first movable piece 44 is rotatably supported by the bracket 41 and is connected to a rotary solenoid 49a. The first movable piece 44 is pressed against the first fixed piece 43 by the operation of the rotary solenoid 49a.

  The second fixed piece and the second movable piece 45 of the gripping member 40 are attached to the tip of the piston rod 50a of the air cylinder 50 fixed to the bracket 42, and the piston rod 50a of the air cylinder 50 advances and retreats along the transport direction F. The second movable piece 45 is connected to the rotary solenoid 49b and is pressed against the second fixed piece by the operation of the rotary solenoid 49b. Air grippers 51 and 52 (first air blowers) are attached to the gripping member 40 of the transfer means 38. The air blower 51 is fixed to the bracket 41 of the gripping member 40, and the outlet is directed to the cloth gripping portion gripped by the first fixed piece 43 and the first movable piece 44 of the gripping member 40. Although not shown, it is desirable to arrange an air blower (first air blower) also in the vicinity of the second fixed piece of the gripping member 40. The air blower 52 is fixed to the bracket 42, and the outlet is directed in a substantially vertical direction.

  An engaging means 53 is disposed between the conveying surface 1b of the narrow belt 1a and the transferring means 38. The engagement means 53 includes an engagement rod 54 that moves forward and backward on the conveyance surface based on the determination result of the determination means 7. The engagement rod 54 is fixed to a rotary shaft (not shown) of the rotary solenoid 55 perpendicular to the conveying surface 1b, and the rotary solenoid 55 is fixed to an operating piece 56a of a rodless cylinder 56 fixed to the machine frame A. Yes. By the operation of the rotary solenoid 55, the engagement rod 54 rotates horizontally along the arrow B direction between the standby position along the transport direction F and the operation position orthogonal to the transport direction around the rotation axis. Further, the operation piece 56 a moves along the transport direction F by the operation of the rodless cylinder 56.

  A loading tray 57 is disposed on the side of the dough loading table 3. The loading tray 57 is attached to an operating piece 58a of a rodless cylinder 58 fixed to the machine frame A. The loading tray 57 attached to the operating piece 58 a moves between a first position above the material stacking table 3 and a second position deviated to the side from the material stacking table 3 based on detection by the sensor 59. In addition, a loading stopper 60 for transferring the laminated fabric WW from the loading tray 57 onto the fabric loading table 3 is disposed in the machine frame A. The loading stopper 60 is attached to the tip of the piston rod 61a of the air cylinder 61 fixed to the machine frame A. Prior to the loading tray 57 moving from the first position to the second position, the loading stopper 60 appears on the loading tray 57 along the direction opposite to the conveyance direction F and is placed on the loading tray 57. It engages with the laminated fabric WW.

  Above the conveying surface 1b of the narrow belt 1a, a sensor group 62 (fabric state sensor) for determining whether the fabric piece W is curled or overlapped on the conveying surface 1b is disposed. The sensor group 62 includes a fabric twist detection sensor 63 and a fabric thickness detection sensor 64 and is attached to a bracket 65 fixed to the machine frame A. Two dough twist detection sensors 63 are arranged along the direction orthogonal to the transport direction F, and detect the curl state of the dough piece W placed on the transport surface 1b. Two cloth thickness detection sensors 64 are arranged along a direction orthogonal to the conveyance direction F, and detect the thickness of the cloth piece W placed on the conveyance surface 1b, that is, whether the cloth piece W is one piece. . A reflection type sensor is used as the fabric curling detection sensor 63, and a transmission sensor is used as the fabric thickness detection sensor 64.

  On the downstream side of the sensor group 62 in the transport direction, there are a timing sensor 66, at least two fabric edge sensors 67, 68, and fabric alignment means 69, 70 arranged on the sides of the fabric edge sensors 67, 68. Is provided. The timing sensor 66 is attached to a bracket 65 fixed to the machine casing A, and detects the leading end of the fabric piece W conveyed by the narrow belt 1a. The fabric edge sensors 67 and 68 are arranged along the transport direction F and are fixed to the machine frame A. The fabric edge sensor 67 has an air blower 67a (second air blower) that blows air toward the fabric piece W so that the side edge portion to which the fabric piece is stitched can be detected in a flat state. It is desirable to attach an air blower (second air blower) to the fabric edge sensor 68 as well.

  The fabric alignment means 69 includes a fabric edge control belt 72 that can be engaged with the upper surface of the fabric piece W conveyed by the narrow belt 1 a, and the fabric edge control belt 72 is rotated forward or in response to detection by the fabric edge sensor 67. And a drive motor 73 for reverse rotation. The fabric edge control belt 72 is interposed between a pair of driven rollers 75 a and 75 b that are rotatably fixed to the L-shaped bracket 74, and the one driven roller 72 a attaches the belt 77 to the drive roller 76 connected to the drive motor 73. Are connected through. Accordingly, the fabric edge control belt 72 is disposed so as to cross the conveying surface 1b of each narrow belt 1a. The L-shaped bracket 74 is attached to an operating piece 78 a fixed to the piston rod of the elevating air cylinder 78. The elevating air cylinder 78 moves the operating piece 78a up and down in accordance with a detection signal from the timing sensor 66.

  An edge position control signal or an exclusion signal is transmitted to the drive motor 73 to the fabric edge control belt 72 according to the detection of the sensor group 62. When the edge position control signal is transmitted to the cloth edge control belt 72, the cloth edge control belt 72 rotates forward or backward according to the detection of the cloth edge sensor 67. When the rejection signal is transmitted to the fabric edge control belt 72, the fabric edge control belt 72 rotates in only one direction, and the fabric piece W is rejected to the collection basket 79 disposed on the side of the conveying means 1. The dough aligning means 70 has the same structure as the dough aligning means 69, and therefore the description thereof is omitted. In addition, the flat plate 1c is arrange | positioned under the conveyance surface 1b, and the raising / lowering means (not shown) which raises / lowers the flat plate 1c is provided. When the lifting / lowering means is operated, the flat plate 1c is lifted from the conveying surface 1b of the narrow belt arranged in parallel with a gap to float the fabric piece W from the conveying surface 1b, and the fabric edge control belt of the fabric aligning means 69, 70 72.

Next, the operation of the sewing work setting apparatus having the above-described configuration will be described with reference to FIGS.
When a start button or the like (not shown) is pressed, the lifting / lowering actuator 6 is actuated, and the dough loading table 3 attached to the tip of the piston rod 6 a is lowered below the loading tray 57. After the sleeve cut fabric WW placed on the loading tray 57 is detected by the sensor 59, the rodless cylinder 58 is activated and the loading tray 57 attached to the operating piece 58a is the first above the fabric loading table 3. Move to position. Thereafter, the air cylinder 61 is activated and the loading stopper 60 attached to the tip of the piston rod 61a moves onto the loading tray 57 (FIG. 3).

  After the loading tray 57 has moved to the second position deviated laterally from the dough loading table 3, the extension member 9 of the discriminating means and the pressing piece 101 of the pressing member 100 are cut into sleeves by the operation of the lifting air cylinders 23 and 102. It descends to the upper surface of the fabric WW (FIG. 4). At this time, the cut fabric WW for the sleeve placed on the fabric loading table 3 is detected by the position sensor 5, and the height of the loading surface 4 of the fabric loading table is determined by the position sensor 5 based on the detection. It is adjusted by the rod 6a and is generally positioned at a level below the conveying surface 1b of the narrow belt 1a. As the extension member 9 is lowered, the fixed pressing tool 12 and the movable pressing tool 13 press the upper surface of the sleeve cut fabric WW. Then, the movable pressing tool 13 is separated from the fixed pressing tool 12 by the operation of the piston rod 21 a of the air cylinder 21. At this time, if the uppermost sleeve cut fabric W is a fabric piece which is determined not to be in a predetermined front and back state, the side edge portion curls upward as shown in FIG. The detection sensor 11 detects the curl and determines whether the detected fabric piece W (the uppermost fabric piece of the laminated fabric) is in a predetermined front or back state.

  The piston rod 30a is lowered by the operation of the elevating air cylinder 30, and the tip portions of the pickup chucks 8a and 8b are in contact with the upstream side of the sleeve cutting fabric WW in the conveying direction so that the uppermost fabric piece from the sleeve cutting fabric WW. Pick W (Figure 5). Thereafter, when the piston rod 30a is raised, the pickup chucks 8a and 8b picking up the dough piece W are raised in the vertical direction Y. As the pickup chucks 8a and 8b are raised, substantially half of the fabric piece W is picked up from the cut fabric WW (laminated fabric) for the sleeve. In the middle of the ascent, the rotary actuators 27A and 27B are operated as shown in FIGS. 13 to 14, and the dough piece W picked up is instantaneously stretched and shaken in the direction of the arrow C. As a result, the fabric pieces W picked up from the cut fabric WW for the sleeve by the pickup chucks 8a and 8b are surely made into one sheet. At this time, the pressing members 12 and 13 of the extending member 9 and the pressing piece 101 of the pressing member 100 press the sleeve cutting fabric WW (laminated fabric), so the sleeve cutting fabric WW is picked up. There is no deviation in the stretching swing direction C side of the piece W.

  When the pickup chucks 8a and 8b are lifted, the rotary solenoids 49a and 49b are operated to press the first and second movable pieces 44 and 45 against the first and second fixed pieces, respectively. The picking to the piece W is cancelled | released (FIG. 6). As a result, the gripping member 40 of the transfer means 38 grips the dough piece W in place of the pickup means 8. Then, the rodless cylinder 39 of the transfer means 38 is operated to transfer the operating pieces 39a and 39b in the transport direction F. As a result, the picked-up fabric piece W is reversed (transferred) from the fabric stacking base 3 to the narrow belt 1a so as to be beaten from the sleeve cut fabric WW (laminated fabric). In the middle of this transfer, when the air cylinder 50 is operated and the piston rod 50a is expanded and contracted (moved), the side edge of the dough piece W can always be along the conveying direction F (FIG. 7).

  When the cloth piece W determined to be in the predetermined front and back state by the detection sensor 11 has passed to the state shown in FIG. 7, the rotary solenoids 49a and 49b are operated to release the grip on the cloth piece W. When the transfer means 38 is retracted in the direction opposite to the conveying direction F, the air blower 52 disposed on the bracket 42 is arranged so that the downstream side in the conveying direction of the dough piece W being placed on the narrow belt 1a is flat. The air flow is actuated to blow toward the dough piece W. If the upstream side in the conveyance direction of the dough piece W released from the grip is positioned on the placement surface 4 of the dough loading table 3, the upstream side in the conveyance direction of the dough piece W extends when the dough is conveyed by the narrow belt 1a. To be flat.

  On the other hand, when the cloth piece W determined not to be in the predetermined front and back state by the detection sensor 11 has passed to the state shown in FIG. 7, the rotary solenoid 55 fixed to the operating piece 56a is operated to move the engaging rod 54 to the arrow B. Rotate in the direction. By this rotation, the engaging rod 54 advances above the conveying surface 1b of the narrow belt 1a. Further, since the operating piece 56 a has advanced in the direction opposite to the conveying direction F by the operation of the rodless cylinder 56 in advance, it is distal on the upstream side from the gripping member 40. Thereafter, the rodless cylinder 56 is operated to retract the operating piece 56a in the transport direction F, and the rodless cylinder 39 is operated to transfer the operating piece 39a in a direction opposite to the transport direction F. Thereby, the reverse of the cloth piece W by the holding member 40 and the engagement rod 54 is quickly performed (FIG. 8). At this time, if the air cylinder 50 is operated and the piston rod 50a is advanced in the direction opposite to the conveying direction F, the side edge of the dough piece W always follows the conveying direction F. In order to process the subsequent dough piece, the operating piece 39a of the rodless cylinder 39 is further moved in the direction opposite to the conveying direction F, and the gripping member 40 is returned to the initial position on the dough loading table 3.

  The rotary solenoids 49a and 49b are operated to move the first and second movable pieces away from the first and second fixed pieces immediately before the gripping member 40 is transferred from the narrow belt 1a to the material stacking base 3 by the transfer of the operating piece 39a. . At this time, as shown in FIG. 9, if one end portion of the suspended dough piece W is positioned on the dough loading table 3, the portion can be reliably transported by the narrow belt 1 a. Can be flat. Further, when the first and second movable pieces are separated from the first and second fixed pieces, the air blower 51 (including the air blower arranged near the second fixed piece) arranged near the first fixed piece is operated. The air flow is blown toward the dough piece W. At this time, the rotary solenoid 55 retracts the engaging rod 54 while rotating it, and the rodless cylinder 56 advances the operating piece 56a to the upstream side in the transport direction. The dough piece W that has been brought into a predetermined front and back state by the transfer means 38 and the engagement means 53 is conveyed on the conveyance surface 1b of the narrow belt 1a. When the fabric piece W transported on the transport surface 1b passes below the sensor group 62, the fabric pieces W are detected to be curled and overlapped, and the timing sensor 66 outputs a signal relating to the operation timing to the fabric alignment means 69. , 70.

  The raising / lowering air cylinder 78 is actuated by a signal from the timing sensor 66 to lower the operating piece 78a, and the flat plate 1c is raised from the conveying surface 1b by the raising / lowering means (not shown). 72 engages with the upper surface of the fabric piece W by the lowering of the operating piece 78a. At this time, the fabric edge control belt of the fabric alignment means 70 is similarly lowered and engaged with the upper surface of the fabric piece W. When the sensor group 62 determines that the fabric piece W is in an appropriate state without curling or overlapping, the fabric edge control belts of the fabric alignment means 69 and 70 that have received the edge position control signal are respectively adjacent to the fabric edge sensors 67. , 68 based on the detection, the side edge of the dough piece W follows the conveying direction F. On the other hand, when the sensor group 62 determines that the cloth piece W is in an inappropriate state with curling or overlapping, the cloth edge control belts of the cloth aligning means 69 and 70 that have received the exclusion signal rotate in one direction. The piece W is removed by the collection basket 79 on the side of the narrow belt 1a. When these fabric edge control belts are operating, the air blower 67a (second air blower) blows air down toward the fabric piece W to make the fabric piece W flat. Although not shown in detail in the embodiment, it is desirable to blow down the air by the second air blower along the dough piece removing direction H by the dough aligning means.

1 is an overall perspective view of a sewing work setting device according to the present invention. It is a schematic perspective view of the principal part explaining the 1st operation state among sewing work setting operations by the sewing work setting device same as the above. It is a schematic perspective view of the principal part explaining the 2nd operation state among sewing work setting operations by the sewing work setting device same as the above. It is a schematic perspective view of the principal part explaining the 3rd operation state among the sewing work setting operations by the sewing work setting device same as the above. It is a schematic perspective view of the principal part explaining the 4th operation state among sewing work setting operations by the sewing work setting device same as the above. It is a schematic perspective view of the principal part explaining the 5th operation state among sewing work setting operations by the sewing work setting device same as the above. It is a schematic perspective view of the principal part explaining the 6th operation state among sewing work setting operations by the sewing work setting device same as the above. It is a schematic perspective view of the principal part explaining the 7th operation state among sewing work setting operations by the sewing work setting device same as the above. It is a schematic perspective view of the principal part explaining the 8th operation state among sewing work setting operations by the sewing work setting device same as the above. It is a schematic perspective view of the principal part explaining the 9th operation state among sewing work setting operations by the sewing work setting device same as the above. It is a whole perspective view of the discrimination means in the sewing work set device same as the above. It is operation | movement explanatory drawing of a discrimination means same as the above. It is principal part explanatory drawing of the sewing work set apparatus which concerns on this invention. It is principal part explanatory drawing of the sewing work set apparatus which concerns on this invention.

Explanation of symbols

1a Narrow belt (conveying means)
1b Conveying surface 3 Material loading table 5 Position sensor 6 Elevating air cylinder 7 Discriminating means 8 Pickup means 8a, 8b Pickup chuck 9 Extension member 10 Pressing member 11 Detection sensor 38 Transfer means 40 Holding member 53 Engaging means 57 Loading tray 60 Loading stopper WW laminated fabric

Claims (6)

Conveying means having a conveying surface that conveys the cloth pieces toward the sewing portion of the sewing machine, a cloth loading table disposed on the upstream side of the conveying means, and the uppermost layer cloth piece of the laminated cloth loaded on the cloth loading table Pick-up means for picking up the material, a gripping member for gripping the dough piece picked up by the pick-up means instead of the pick-up means, and the dough piece gripped by the gripping member together with the gripping member for transfer along the transport direction A sewing work set device comprising a transfer means and individually placing the laminated fabric on the fabric loading table on the transport surface of the transport means;
A discriminating means for discriminating the front and back state of the fabric piece on the fabric loading table; and an engagement means disposed so as to be able to advance and retreat above the transport surface of the transport means,
The transfer of the dough pieces by the transfer means is performed while being rolled from the laminated dough on the dough loading table, and the engaging means advances above the conveying surface according to the front and back state of the dough pieces by the determining means and the dough being transferred A sewing work setting device characterized in that the engagement means is retracted from the conveyance surface after engaging the piece from the upstream side in the conveyance direction and bringing the cloth piece placed on the conveyance surface into a predetermined front and back state. .   An extension member that engages with the fabric piece from above and extends in the side edge direction in the vicinity of the side edge of the fabric piece, and a detection sensor that detects an upper curl generated by the extension of the fabric piece of the extension member; The sewing work setting device according to claim 1, further comprising a pressing member that presses the stretching member against the upper surface of the laminated fabric when the fabric is stretched, and for determining the front and back state of the fabric piece based on the detection result of the detection sensor.   The pickup means has a chuck portion for chucking the dough piece at the tip, and includes a pickup chuck that can be moved up and down, a rotary actuator attached to the pickup chuck, and a pressing means for pressing the laminated dough from above. The pick-up chuck picks up the dough piece, and the rotary chuck instantaneously stretches and shakes the pick-up chuck along the transfer direction of the transfer means, and the pressing means presses the laminated dough against the dough loading table. The sewing work setting device according to claim 1.   The gripping member is provided with two gripping portions of the cloth piece, one of which is provided with an air cylinder that moves along the transfer direction during transfer of the cloth piece by the transfer means, and the side edge of the stitching portion of the cloth piece is provided on the conveying means. The sewing work setting device according to claim 1, wherein the sewing work setting device is arranged along the conveying direction.   The dough loading table has a placement surface on which the laminated fabric is placed, a position sensor for detecting the height position of the uppermost layer of the laminated fabric placed on the placement surface, and a placement based on the detection of the position sensor. And a lift actuator that moves the surface up and down, and operates the lift actuator based on a position sensor so that the position of the uppermost layer of the laminated fabric placed on the placement surface is maintained at a constant height. The sewing work setting device according to 1.   The pickup chuck includes an air cylinder that moves up and down by a certain stroke amount, and a cloth presence / absence sensor that detects a damping stroke amount of the pickup chuck from a certain stroke amount by the air cylinder, and the dough loading table mounts the laminated cloth. The sewing work setting device according to claim 3, wherein the sewing work setting device includes a placement surface and raises and lowers the placement surface so as to keep the height position of the uppermost fabric piece constant based on detection by a cloth presence / absence sensor.

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