JPS6179488A - Automatic sewing apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to an automatic sewing device.

[Conventional technology]

BACKGROUND ART Conventionally, when manufacturing products such as packs, shoes, and clothing, it is necessary to sew various parts to be sewn onto fabric as the main body of the product. In this case, the sewing work is carried out by the worker placing the fabric and the piece to be sewn in a stacked state on the sewing machine, and manually moving the fabric according to a predetermined pattern.
The piece to be sewn is integrated into the fabric. However, this requires a great deal of effort on the part of the operator. On the other hand, recently, a method has been proposed in which the fabric is placed on a table that moves in the X and Y directions, and the table is automatically moved according to a predetermined pattern.

[Problem that the invention seeks to solve]

According to this type of device, the worker has to stack the fabric and pieces to be sewn on the table and center them, which puts a burden on the worker, and also reduces quality due to misalignment of the center location. The disadvantage was that there were variations in the

Therefore, an object of the present invention is to provide an automatic sewing device that enables automatic sewing.

[Means for solving problems]

The present invention comprises a cassette for positioning and holding an object to be sewn, a table on which the cassette is placed and moves according to a sewing pattern program, a sewing machine for sewing the object to be sewn held in the cassette, and a sewing machine for sewing the object to be sewn held in the cassette, a first transport unit for transporting the cassette in the sewing machine;
The sewing machine is equipped with a second conveyance unit that carries out the processed cassette from the sewing machine after being sewn with the sewing machine.

Another aspect of the present invention is a sewing machine that has a cassette for positioning and holding an object to be sewn, and a table on which the cassette is placed and moves according to a sewing pattern program, and that sews the object to be sewn held in the cassette. A first transport unit that transports the cassette in the downstream direction;
and a second transport unit for transporting the gutter from the sewing machine,
The sewing machine, the first conveyance unit, and the second conveyance unit are attached to a movable table.

[Effect]

In the present invention, when an operator inserts a cassette into the first transport unit, the cassette is sewn in the sewing machine and then transported out of the sewing machine by the second transport unit.

Further, in another invention, there is provided a sewing machine that sews fabric held in a cassette and a piece to be sewn, a first conveyance unit that transports the cassette to the sewing machine, and a cassette that has been sewn in the sewing machine and carries it out from the sewing machine. A second transport unit is attached to the movable table and moves as one.

Embodiments of the automatic sewing device according to the present invention will be described below.

First, Fig. 1 shows a bag to be sewn, and the bag 1 has a rectangular outer fabric 2, a lining fabric 3 having the same shape as the cough outer fabric 2, and these front and back fabrics 2.3 are sewn together. It is composed of a ring-shaped side cloth 4. Here, as shown in FIG. 2, the outer fabric 2 includes a substantially rectangular piece 5 to be sewn,
A substantially triangular piece 6.6 to be sewn and a substantially square label 7 are each sewn, and a fastener r is sewn to the sewn piece 5. Further, as shown in FIG. 3, the lining material 3 has a substantially rectangular piece 8 to be sewn and a substantially triangular piece 9 to be sewn.
are sewn, and in addition, decorative stitches 10 are sewn.

However, the pieces to be sewn 5 and 6 for the front and back fabrics 2 and 3,
8, 9, the sewing of the fastener f, the label 7 and the decorative stitch 10 is carried out as follows with the outer fabric cassette 11 shown in FIG. 4 and the lining fabric cassette 1-12 shown in FIG. It is automatically sewn by the automatic sewing device described above.

11 for the outer fabric is hinge 1 as shown in Figure 4.
3.13 Two plates 14.14 joined so that they can be opened and closed
The drawing board body 14.14 is configured to clamp the piece 5 to be sewn on the outer material 2 by clamping force based on a spring or a magnet. Here, long holes 15, 16°, 17, 18 for sewing are formed in both the plate members 14° 14 at positions corresponding to the seams of the piece 5 to be sewn and the seams of the fastener f, and long holes 15, 16°, 17. Piece to be sewn 6
．． A label mounting hole 19 and sewing piece mounting holes 20, 20 are formed at positions corresponding to 6. After closing the plate body 14.14, the mounting holes 20.20 are filled with the holes 20.20. Piece to be sewn 6
, 6 are placed manually. or,
The label 7 is automatically supplied to the label mounting hole 19 by a label supply device shown in FIGS. 19-22. Further, two pairs of opposing projections 21.21 and 22.22 are formed on both side edges of the surface of one of the drawing board bodies 14.14. On the other hand, the cassette 12 for the back fabric is configured in substantially the same shape as the cassette 11 for the outer fabric, but has the long hole 18 for sewing the zipper and the hole 1 for label placement.
9 is not formed, but a sewing hole 23 for decorative stitches 1O is formed. Therefore, in the sewing work for the back fabric 3, the process of sewing the fastener f and the process of sewing the label 7 are omitted compared to the sewing process of the front fabric 2, but on the other hand, the process of sewing the decorative stitches 10 is added. Here, the outer fabric cassette 11 has a detection hole 24.
is perforated, and on the other hand, the lining fabric cassette 12 has a fifth hole.
As shown in the figure, a detection hole 25 is bored at a position slightly different from the rain detection hole 24, and the rain detection hole 24.
By determining the position of the cassette, it is possible to distinguish between the front fabric cassette 11 and the back fabric cassette 12. The detection hole 24.25 constitutes an identification portion of the cassette 11.12.

Next, the configuration of the automatic sewing device will be explained.

First, as shown in FIG. 6, the automatic sewing device includes an input loading unit 26 into which the above-mentioned front or back fabric cassettes 11 and 12 are manually inserted, and the input loading unit 2.
1-11 for the front or lining fabric set in 6.
a taking-in unit 27 as a taking-in means for taking in 12 pieces one by one, and carrying means 28, 29, 3 arranged in series to carry the above-mentioned casseros) 11.12 to the downstream side.
0°31 and 4 which are provided for each of the above-mentioned conveying means 28, 29, 30, and 31 and programmed with predetermined sewing work contents.
electronic sewing machines 32, 33, 34, 35, take-out loading unit 36 for taking out cassettes 11, 12 after sewing work is completed, electronic sewing machines 32, -35, and each unit 26.
．． 27, 36, and a controller 37 which controls the transport means 2B and -31 and manages the output of the spools 7), 11 and 12 after the sewing work is completed.

The configuration of each unit will be explained below.

First, the configuration of the input loading unit 26 is shown in FIG. Note that FIG. 7 is a front view seen from the direction of arrow A in FIG.

In the figure, 38 is a support frame, and the support frame 38 has a pair of left and right side plates 39 facing each other. ．． 39, bottom plate 40, top+Ii, 41
and an opening/closing door 42 (shown in FIG. 6) located on the rear side, and the front side is open. Here, the side plates 39 and 39 have a pair of guides 1l1 facing each other.
39A, 39A are formed in the vertical direction, and a mounting base 43 is installed at the lower part of these side plates 39.degree. 39, and a drive section 44 is mounted thereon.

A drive shaft 45 that extends and contracts in the vertical direction from the drive section 44
extends directly upward, and the drive shaft 45 is driven downward by the drive section 44 to rotate the cassettes 11, 12.1.
The drive shaft 45 is shortened by the thickness of the drive shaft 45, and in the upward direction, the entire stroke of the drive shaft 45 is extended at once.

Reference numeral 46 denotes a cassette accommodating portion located at the upper end of the drive shaft 45, and the cassette accommodating portion 46 includes a bottom plate portion 47 attached to the upper end of the drive shaft 45 and extending upward from both side edges of the bottom plate portion 47. It is constructed in a U-shape from a pair of side plate portions 48 and 48 facing each other, and the front side plate portions 48 and 48 are configured in a U-shape.

The rear side is open. Here, cassette holding grooves 49.49 for holding both side edges of the cassette 11.12 are formed horizontally in the front-rear direction on the inner surfaces of the side plate portions 48. A plurality of sets are formed in the vertical direction, and each set of cassette holding grooves 49, 49 holds one cassette 11, 12. Here, the lowest cassette holding grooves 49, 49 are formed at positions slightly spaced upward from the bottom plate portion 47. The cassettes 11, 12 are inserted into the cassette holding grooves 49, 49 from the rear side with the opening/closing door 42 of the support frame 38 open. Here, guide grooves 39A of the support frame 38 are provided on both sides of the cassette accommodating portion 46.

Guide piece 50, 50° 50 that slidably engages with 39A
．． 50 is provided so that the cassette accommodating portion 46 is guided by the driving portion 44 to reciprocate in the vertical direction.

On the other hand, the above-mentioned intake unit 27 is shown in FIGS.
Shown in Figure 0. In addition, FIG. 8 is a front view seen from the direction of arrow B in FIG. 6, FIG. 9 is a side view of FIG. 8, and FIG.
A partially enlarged view of the figure is shown.

In the figure, 51.51 is a conveyor, and the conveyor conveyor 5
1.51 is a pair of pulleys 52.52 provided close to the front side of the loading and loading unit 26, and a pair of pulleys 53 provided spaced apart on the downstream side of these pulleys 52.52. 53 and the drive pulleys 54, 54,
In the figure, it runs in the direction of the arrow.

55.55 is an air cylinder located between the conveyance conhairs 51.51 and arranged parallel to these conveyance conhairs 51, 51. Both air cylinders 55.55 are fixed by fixing pieces 56.56, and the air cylinders 55.55 are fixed by fixed pieces 56.56. The rods 57.57 are extendable and retractable toward the upstream side, that is, toward the input and loading unit 26, and have the conveyor 51.51 at the tip.
A retaining piece 58 that protrudes upward is attached.

Here, when the rods 57, 57 are fully extended, they extend into the input loading unit 26, and
7.57 The retaining piece 58 at the tip is attached to the input loading unit 26
It is designed to engage with the rear end surfaces of the lowest cassettes 11 and 12 of the cassettes. Furthermore, when the cough ronds 57, 57 are at their maximum shortening, they are shortened to a position downstream of the pulleys 52, 52 on the upstream side.

Here, the extension operation of the rod 57.57 is started by a start switch (not shown), and the extension and retraction operation of the rod 57 is linked to the drive section 44 of the loading and loading unit 26. .57 is extended to the most extended position, the drive section 44 is actuated to move the cassette housing section 46 downward by the thickness of one cassette 1112, and then the rod 57.57 is retracted. It has become. Therefore, the cassettes 11 and 12 in the loading and loading unit 26 are moved one by one by the telescopic movement of the rods 57, 57.
It is possible to take them one by one onto the conveyor 51.

Further, in the figure, 59 is an air cylinder supported by the fixed piece 56.56, and the air cylinder 59 is arranged below the conveyor conveyor 51, 51 and along the conveyor 51.51. The long roller 0 can be extended and retracted toward the downstream side, and a button portion 61 is provided at the tip of the long roller 0. The bushing part 61
As shown in FIG. 10, there is a bracket 62 attached to the tip of the Rondro 0, and a
a pressing portion 6 which is pivoted so as to be rotatable in the direction, has a substantially doglegged shape, and whose tip protrudes upwardly from the conveyor 51.51;
3, and a return coil spring 64 to which a spring force is applied in the direction of the arrow in the figure so as to return the pressing portion 63 to the illustrated state.

Here, the air cylinder 59's Rondro 0 is normally in a shortened state, and the acid Rondro 0 is extended by the cassettes IL and 1 transported by the transport conveyor 5151.
The Londro 0.60 extends when a sensor (not shown) or the like detects that the cassette 11° 12 has reached the downstream end of the transport conveyor si, st. The cassettes 11, 12 are pushed further downstream. In this case, the air cylinder 59 is in a shortened state while the cassette 11.12 is being transported by the transport conveyor 51.51. Therefore, in this case, the above cassettes 11 and 12
is conveyed to the downstream end of the conveyor 51.51 by passing over the pusher portion 61 while rotating the pusher portion 61 in the direction of arrow C in FIG.

On the other hand, the above-mentioned sewing machines 32, 33, 34, and 35 have different sewing work contents programmed in advance in a memory element such as FROM,
The content of the sewing work differs as follows.

First, the case of outer material 2 will be explained based on FIG. 11.

First, in the first electronic sewing machine 32, a sewing process 65 for the piece to be sewn 5 and a sewing process 66 for the fastener f are executed. In the second electronic sewing machine 33, the piece to be sewn 6.6
Sewing process 67.67 and sewing process 71 of piece 9.9
．． Execute 71.

The third electronic sewing machine 34 does not perform sewing work.

The fourth electronic sewing machine 35 executes a sewing process 69 for the label 7.

Next, the case of the lining material 3 will be explained based on the same figure.

First, in the first electronic sewing machine 32, the sewing process 70 of the piece 8 to be sewn is executed. The second electronic sewing machine 33 executes a sewing process 71.71 for the piece to be sewn 9.9. Decorative stitch 10 on the third electronic sewing machine 34
The sewing process 72 is executed. The fourth electronic sewing machine 35 does not perform sewing work.

Further, in FIG. 12, 73 indicates each of the above-mentioned electronic sewing machines 32°, 33.
34.35 (7) A clamping part provided on the table 74 that operates according to a pattern programmed in a storage element such as FROM, and the clamping part 73 faces a fixed claw part 75 and the fixed claw part 75. It is composed of a movable claw portion 76.

Here, the fixed claw part 75 has a substantially dogleg shape, and its base end side is fixed to the table 74 by a fixing pin, and the other side is formed with an engaging recess 77 facing the movable claw part 73. ing. The movable claw portion 73 is rotatably attached to the table 74 in the direction of arrow E, and has an engagement recess 78 opposite to the engagement recess 77 of the fixed claw portion 75 on the distal end side.
It consists of a claw piece 79 on which is formed, and an air cylinder 80 fixed to the table 74.
The tip of the rod 81 is rotatably attached to the proximal end of the claw piece 79. Accordingly, when the air cylinder 80 is driven, the claw piece 79 rotates in the direction of arrow E, whereby the cassette IL, 12 is held between the fixed claw part 75 and the movable claw part 76. In this case, the fixed claw portion 75 does not move, so the cassette 11, 1
2 is accurately positioned. Furthermore, the above table 74
move on a plane according to the sewing patterns of the electronic sewing machines 32, 33, 34, 35, thereby performing the sewing work on the cassettes 11, 12. Thus,
The clamping portion 73 and the sensor 82 allow the above-mentioned
A positioning means for positioning 1 and 12 on the table 74 is provided.

On the other hand, the structure of the above-mentioned conveying means 28, 29, 30° 31 is shown in FIGS. 13 to 18. 13 is a front view seen from the direction of arrow G in FIG. 6, FIG. 14 is a side view of FIG. 13, FIG. 15 is a partially enlarged view of FIG. 13, and FIG. 16 is a diagram of FIG. 15. The left side view of Fig. 17 shows the electronic sewing machine 32'5.
FIG. 18 is a configuration diagram of the sensor, showing the positional relationship with the sensor. In FIG. 13, reference numeral 83.83 denotes a conveyor conveyor installed in series on the downstream side of the conveyor conhair 51.
are pulleys 84, 84, 85.85 and drive boot IJ86.
86, and runs in the direction of the arrow. Then, the cassettes 1-11 and 12, which have been pressed downstream by the air cylinder 59 of the intake unit 27, are conveyed further downstream. Also, 87 is the fixed piece 8
The air cylinder 87 is disposed below the conveyor conveyor hairs 83, 83 and along the conveyor conveyor hairs 83, 83, and its rod 89 is directed toward the downstream side. The rod 89 is designed to be able to extend and contract, and a push portion 90 is provided at the tip of the rod 89. Since the bushing portion 9o has the same configuration as the bushing portion 61 shown in FIGS. 8 to 10, a description thereof will be omitted.

Reference numeral 91 denotes a frame body, and the frame body 91 is disposed so as to straddle the conveyor 83.83 as shown in FIG. A so-called rodless cylinder 92 is mounted so as to be orthogonal to the loftless cylinder 92, and the movable portion 93 of the loftless cylinder 92 is moved in a direction perpendicular to the conveyor 83.83, that is, the electronic sewing machine 32. -・-35 direction (H
direction) or in the direction of moving away (K direction).

Reference numeral 94 indicates a clamping part provided on the mounting base 95 of the movable part 93 of the rodless cylinder 92, and the clamping part 94 is
It is composed of a movable claw part 98 consisting of an air cylinder 96 and a claw piece 97, and a fixed claw part 99, and has the same structure as the clamping part 73 provided on the table 74 of the electronic sewing machine 32, ---35 described above. Therefore, the explanation will be omitted. In this case, as shown in FIG. 17, the movable claw part 98 of the clamping part 94 faces the fixed claw part 75 of the clamping part 73 on the electronic sewing machine 32, -35 side, and the movable claw part 98 of the clamping part 94 The fixed claw portion 99 faces the movable claw portion 76 of the clamping portion 73.

In addition, in Fig. 16, 100 is the above-mentioned conveyor 83.
The cassette push-up part 100 is a cassette push-up part provided below the drive part lO1, a shaft 102 that extends and contracts in the vertical direction by the drive part 101, and is attached to the upper end of the shaft 102 and is attached to the conveyor 83. It consists of a cassette support 103 on a disc facing the lower surface of the cassette 11, 12 conveyed by the cassette 83.

Here, the cassette pushing part 100, the air cylinder 96 of the clamping part 94, the movable part 93 of the rodless cylinder 92,
The holding portions 73 on the sides of the electronic sewing machines 32 and -35 are interlocked with each other. That is, first, the cassette 11.1 transported by the transport conveyor 83.83 is
When a sensor (not shown) etc. detects that the cassette 2 has reached a predetermined position, a stopper (not shown) stops the conveyance of the cassette 11, 12 to the downstream side, while the cassette pusher 100 The cassette 11 is driven by
．． 12 upward to the position shown by the dashed line in FIG.

Further, the air cylinder 96 of the holding portion 94 is activated by detecting that the cassette 11, 12 is pushed up to a predetermined height. In this case, when the rod 96A of the air cylinder 96 extends, the claw piece 97 rotates, and as a result, the engagement recess 97A of the claw piece 97 engages with the protrusion 22 of the case 7) 11°12-example. , in order to press the cassette 11.12 in the direction of arrow R in FIG. ) 11' and 12 are held between the fixed claw part 99 and the movable claw part 98.

Furthermore, when a sensor (not shown) or the like detects that the clamping part 94 clamps the cassette 11.12, the movable part 93 of the loftless cylinder 92 moves to the electronic sewing machine 3' 2, -35 side. , and select the electronic sewing machine 32.
．．・Cassettes 11 and 12 are attached to the clamping part 73 on the -3'5 side.
On the other hand, when the electronic sewing machines 32 and 35 have finished sewing, the child sewing machine 32.-35 coughs. -Move to the -35 side again and pick up the cassettes 11 and 12. In this case, the cassettes 11 and 12 are attached to the electronic sewing machine 32.
When transferring the receiver to the -=-35 side, the clamping section 94 drives the cassettes 11 and 12 to the single-child sewing machine 32 and -35 side by the rodless cylinder 92, and the sensor 82 provided on the table 74 Cassette 11.

When the end faces 200, 201 of 12 are detected, the air cylinder 96 of the holding part 94 is activated to disengage the claw pieces 97 and the protrusions 21, thereby moving the cassette 11.12 to the electronic sewing machines 32, -3.
The air cylinder 8o on the 5 side is operated to make it free, and then the protrusions 77 and 78 move the movable claw part 76 and the fixed claw part 75.
11.12, and after that, the clamping part 94 retreats from the electronic sewing machine 32, -35 side in the direction shown in FIG. After -35 moves and sewing is completed, the holding part 94 is moved again to the electronic sewing machine 32, -35 side (
H direction) and then the electronic sewing machine 32. -...The air cylinder on the 35 side operates and the fixed claw part 75. Movable claw part 76
and protrusion 77.7.8 are disengaged, and cassette l-11,
12 is in a free state, the movable claw portion 97 of the holding portion 94 operates and engages with the protrusion 22, thereby removing the cassette 11.12.
is transferred in the K direction.

In this case, as shown in FIG. 17, the electronic sewing machine 3
2, the movable claw part 73 of the clamping part 73 on the -35 side is connected to the clamping part 9
Since the fixed claw part 75 of the clamping part 73 faces the movable claw part 98 of the clamping part 94, the clamping part 73 faces the cassette If shown by the dashed line.
, 12 is removed by moving the cassette 11.12 in the direction of arrow S in the figure, and positioned by the fixing claw portion 75.

In this case, a sensor 1 as a determination means such as a photocoupler for determining whether the cassette 1-11.12 is for outer fabric or lining fabric is installed near the conveyor 83.83.
04 (shown in FIG. 18), and the drive section 101 of the cassette pusher 100 is also controlled by the sensor 104. Here, the sensor 104 is connected to the detection hole 24. of the cassette 11.12.
It is composed of a light emitting diode 105 and an autotransistor 106, which face each other with the detection hole 24 and 25 in between.
It is designed to determine. Here, the sensor 10
4 determines whether the cassette 1112 is for front fabric or lining fabric, and drives the drive unit 101 of the cassette pusher 100 only when the electronic sewing machine 32, -35 needs to perform sewing processing. It has become. That is, in the first electronic sewing machine 32, the cassette pusher 100 is driven in both cassettes 11 and 12 in order to perform the sewing process regardless of whether it is a front fabric or a back fabric.
Since the electronic sewing machine 34 does not perform the sewing process on the outer fabric 2, the cassette pusher 100 is not operated. Note that the downstream conveyance unit 29.degree. 30.31 has the same configuration, so the explanation thereof will be omitted.

Thus, the frame 91. Rosode ring cylinder 92, clamping part 94. Mounting stand 95. Movable claw part 98° Fixed claw part 99.
Cassette pusher 100. Cassette 1 is detected by sensor 104.
A loading means TO for loading the sewing machines 1 and 12 into the electronic sewing machines 32 and -35 is configured. Further, a second transport unit is constituted by the inputting means TO. Furthermore, the above-mentioned input means TO
Another conveyance means 28° 29. located adjacent to the upstream side of
A first transport unit is constituted by 30 transport conhairs 83,83.

Also, Figures 19 to 22 show the fourth electronic sewing machine 3.
5 shows a label supply device as a supply device provided on the side of 5.゛Figure 19 is a plan view viewed from the direction of arrow T in Figure 6, Figure 20 is a side view viewed from the direction of arrow T in Figure 19, and Figure 21 is a partially enlarged view of Figure 20. 22 show the structure of the intake and exhaust section.

The label feeding device has a plurality of labels 7.7. as shown in FIG. A holding cylinder 107 with an open top that holds the labels 7 and 7 in a stacked state;
7. ---- Work unit 1 that takes out the fabric one by one and supplies it to the outer fabric cassette 11 of the electronic sewing machine 35 in number 4 above.
It consists of 08.

Here, the working section 108 includes an arm 110 attached to a frame 205 attached to the transport unit 31 and arranged horizontally at the upper end, a movable section 111 that extends and contracts on the arm 110, and a movable section 111 that extends and contracts on the arm 110. an air cylinder 113 (shown in FIG. 20) that is attached vertically downward to the lower surface of the tip end and whose lower part is supported by a support piece 112; and a label holding part 115 that is attached to the lower end of the rod 114 of the air cylinder 113 It consists of Here, when the rod 114 is fully extended, the rod 114 is the final transport unit)
31, and the air cylinder 113 reaches above the label mounting hole 19 of the cough cassette 11.

Further, the label holding part 115 includes a plate part 116 attached to the lower end of the rod 114, and an intake/exhaust pipe 1 attached to the plate part 116.
17, 117, and two recesses 119, 1 on the lower surface of the suction part 118.
19 is formed, and the recesses 119, 119 communicate with one side of the intake/exhaust pipe 117, and the intake/exhaust pipe 117.
The other side of 117 communicates with an intake/exhaust section, which will be described later. Therefore, when the suction/exhaust section is operated to take in air, the suction section 1
18, the labels 7.7.
- will leave.

Further, 120 and 120 are guide tubes attached to the support piece 112 in a vertically penetrating state, and each guide tube 120
A guide bar 121 is inserted through the guide bar 121 so as to be slidable in the vertical direction, and the lower end of each guide bar 121 is attached to the plate portion 116. Therefore, the guide bar 121, 121
guides the vertical movement of the rod 114 of the air cylinder 113. Further, reference numerals 122 and 122 are locking rods provided downward in the vertical direction on the plate portion 116, and the locking rods 122
．． The lower part of 122 is attached to the suction plate 11 as shown in FIG.
8, and its lower end is tapered downward. Here, both the locking rods 122
, 122 is the same as the width of the positioning holes 123°123 formed on both sides of the label mounting hole 19 of the outer fabric cassette 11, and 122, 122 is the positioning hole 123°12
It is approximately the same diameter as 3. Therefore, the air cylinder 113
When the rod 114 extends downward, the suction portion 118 of the label holding portion 115 is inserted into the label mounting hole 1 of the cassette 11.
9, the locking rods 122, 122 are inserted into the positioning holes 123, 123 on both sides of the label F2 placement hole 19.
This will ensure accurate positioning.

Thus, the locking rods 122, 122 and the positioning holes 123, 123 constitute a positioning section.

FIG. 22 shows the configuration of the above-mentioned intake and exhaust section.

In the figure, 124 indicates a pressure air source, 125 indicates an intake source, and 126 indicates a 3-port valve. As a result, the 3-port valve 126
When the label 7 is in the mouth as shown in the figure, the suction action of the suction source 124 creates a negative pressure inside the recess 119° 119 on the lower surface of the suction part 118 of the label holding part 115, so that while the label 7 is suctioned, the three boat valves When the pressure 126 becomes A, the pressure air a 124 communicates with the concave portion 119° 119 of the suction portion 118, so that the suction portion 118 detaches from the label 7 due to the pressure air.

On the other hand, the configuration of the take-out and loading unit 36 is shown in FIGS. 23 and 24. Note that FIG. 23 is a cross-sectional view taken along the line X--X in FIG. 6, and FIG. 24 is a top view of FIG. 23.

In the figure, reference numeral 127 is a housing, and the front side of the housing 127 is formed with a cassette loading port 128 (shown in FIG. 6), and the inside is divided into an upper chamber 130 and a lower chamber 131 by a mounting table 129. It is divided, and an opening/closing door Z is attached to the side, so that the upper chamber 130 can be opened and closed.

132, i3z is the side plate 133°133 of the housing 127
A pair of cassette holders 13 are attached to the guide rod 132 so as to be able to reciprocate in the directions of arrows M and N.
4,134 is attached, and the double force set holder 13
4,134 are arranged to approach or move away from each other. Thereby, the cassettes 11 and 12 conveyed from the upstream side (from the direction of arrow P) are held from both sides. Here, the cassette holder 134.degree. 134 has an L-shaped cross section as shown in FIG. 23, and its lower end serves as a cassette holder 135 that protrudes inward. Further, the upstream end of the cassette holder 134 becomes a tapered surface 136, 136 that widens outward as shown in FIG.
134, and stopper portions 137, 137 are formed at the downstream end to protrude inward.
The cassettes 11, 12 are stopped.

Reference numeral 138 denotes a fixed part fixedly located between the cassette holders 134 and 134, and air cylinders 139 and 139 are provided between the fixed part 138 and the cassette holder 134.
(shown in FIG. 24) is attached so that the cassette holder 134 can reciprocate in the directions of arrows M and N. Here, the air cylinder 139,1
39 opening, 140.140 When the cassette holder 134 is at its shortest position, the distance between the cassette holders 134 and 134 is the same as the above. The cassette holding body 134.1344 holds the cassette 11.12 when the rod 140.140 is at its maximum extension. above) 1
1.12 wider than the width of the cough caseno 1-11.12
It is designed to cause the object to fall downward.

Further, in FIG. 23, 141 indicates the cassette holder 134.
134, the cassette housing frame 141 is placed on the mounting table 129 directly below the cassette 1-f1.
2, and frame pieces 143, 143, -, each having an abbreviated plan cross section and erected at the four corners of the bottom plate 142, and two holes 144, 144 are bored in the lower surface of the bottom plate 142. ing.

145. 145 is the bottom plate 1 of the cassette storage frame 141.
42, and the upper ends of the cassette supports 145, 145 are connected to the frame pieces 143 of the cassette housing frame 141. 14
3. - reaches approximately the same height as - and the lower end is attached to the mounting plate 146
installed on. The mounting plate 146 has a drive section 147.
A drive shaft 148 is inserted therethrough. The drive shaft 148 has, for example, a male thread carved therein, and the mounting plate 146 has a male thread threaded thereon to be screwed onto the drive shaft 148, so that the mounting plate 146 can be driven by the driving part 147. Then, it can be moved up and down, and when moving down, the cassette 11. It is designed to move downward by one L2. thickness. Here, when the mounting plate 146 moves downward and reaches the lowest position, the cassette supports 145, 145 are removed from the cassette housing frame 141 completely downward. The length is set. Thus, in FIG. 23, the cassette 11.12 falling from above is received by the upper end of the cassette support 145.145, and the cassette support 145.145 is lowered by the thickness of the cassettes 11 and 12.1. As a result, when the cassette support 145 reaches the lowest end, it is removed from the cassette housing frame 141, so that the cassette 11.degree.
2 will be stored in a stacked state.

Thereafter, the cough cassette 7) accommodation frame 141 will be taken out by opening the opening/closing door 132.

On the other hand, the controller 37 described above has a built-in signal input section (not shown) for manually inputting the status of the various units, and is further provided with a CRT 149 as a notification section for displaying the status of the various units.

Here, the signal manpower section includes the cassette storage frame 14.
A sensor (not shown) provided in cassette 1
1.12 signals representing trading volume and each of the above Uniso) 26
．． 27.・A signal indicating the presence or absence of a malfunction by a sensor (not shown) provided for each of the electronic sewing machines 32, -3
A thread breakage signal indicating the presence or absence of thread breakage is input from a sensor (not shown) provided every five threads. or,
As shown in FIG. 6, the CRT 149 displays the status of various units, etc. and the production status as shown in FIGS. 25 to 27 based on signals input from the various sensors to the signal input section. It has become.

The automatic sewing device according to the present invention is configured as described above,
Next, its effect will be explained.

First, the outer fabric 2 or the inner fabric 3 and various sewing pieces 5 and 6
, 8.9, fastener f and label 7 in outer fabric cassette 1
1 or the lining fabric cassette 12.

After that, put the above-mentioned item 11.12 into the loading unit 2.
It is set in the support frame 38 of No. 6.

After that, when you operate the start switch, the intake unit 27
The air cylinders 55.55 are driven to take the cassettes 11 and 12 in the preloading unit 26 one by one onto the conveyor 51.51.

Then, the eight cassettes 11' and 12 are conveyed to the downstream end of the intake unit throat 27 by the eight conveyor 51. Move inside 28.

Then, the cassette pusher 100 in the conveying means 28 is operated to push the cassette 1-11.12 upward, and then it is held by the cassette holding part 94 and moved to the electronic sewing machine 32 side by the drive of the rodless cylinder 92. be carried to. Then, the sensor 82 detects that the cassette 11, 12 has been carried, and after the cassette holding part 94 opens the cassette throats 11 and 12, the cassette holding part 73 on the electronic sewing machine 32 side is driven, Clamp the cassettes 11 and 12. Subsequently, the holding portion 94 is moved back, and the electronic sewing machine 32 is subsequently driven to perform a predetermined sewing operation. Then, when the sewing work in the electronic sewing machine 32 is completed, the rodless cylinder 92 moves again to the electronic sewing machine 32 side, and the electronic sewing machine 32. After the clamping part 73 on the -35 side releases the cassette 11.12, the cassette clamping part 94
grips the cassettes 11 and 12, removes the receiver, returns to the original position, and releases the grip on the cassettes 11 and 12. next,
When the cassette pusher 100 descends, the cassette 111
2 is conveyed to the downstream side by the conveyor conveyor 83.
9, similar processing is executed. In this case,
Electronic sewing machines 32, 33 that do not perform sewing processing. −・−
As for the cassettes 1-11 and 12, they are transported directly to the downstream side.

After that, the outer fabric cassette 11 is transferred to the fourth electronic sewing machine 3.
When the label is clamped by the clamping portion 94 on the 5 side, the label supply device is activated. In this case, the label holding section 11 of the label supply device
5 adsorption unit 118 is used to absorb labels 7.7.5 loaded in the holding cylinder 107. - After sucking one label 7.7., the movable part 111 is extended. - is set in the label mounting hole 19 of the outer fabric cassette 11. At this time,
As shown in FIG. 21, 1, the locking rod 12 of the working part 1038
2.122 engages with the positioning holes 123, 123 on both sides of the label mounting hole 19, so that the cassette, 11.12
is accurately set in the label mounting hole 19. Thereafter, the above-mentioned holding portion 94 conveys the cassettes 11 and 12 to the electronic sewing machine.

Thereafter, the electronic sewing machine 35 is driven and the label 7 is sewn.

Thus, the cassettes 11 and 12 on which the sewing work has been completed are placed in the second cassette.
As shown in FIG. 3, after being held by the cassette holders 134, 134 in the take-out/loading unit 36, the cassettes fall straight down and are stopped at the upper end of the cassette holder 145. These cassette supports 145, 145 are connected to the cassette 11
,12.Since it moves down by one thickness, the cassette l-1
142 is stored in the cassette storage frame 141 in a loaded state. Thereafter, by opening the door 132, the cassette housing frame 141 is taken out.

During the sewing operation as described above, if each unit malfunctions or thread breaks, the CRT 149 will display a message to that effect, and the CRT 149 will display the cassette after sewing is completed. 11. '12 trading volume was CRT149
will be displayed.

Note that FIG. 28 shows the electronic sewing machine 33. -35, the input unit TO, the conveyor 83.83 located upstream of the input unit TO, the air cylinder 87 and the bushing part 90, and the conveyor 83.83 located downstream of the input unit TO. A case is shown in which these are made into one block by attaching them to the sewing machine frame 150. In this case, the cassettes 11.12 are manually placed on the upstream conveyor 83.83, and the cassettes 11.12 that have been sewn are manually taken from the downstream conveyor 83.83. be.

As explained above, according to the present invention, there is provided a cassette for positioning and holding the workpiece to be sewn, and a table on which the cassette is placed and moves according to the program of the sewing pattern. death,
a sewing machine that sews the workpiece held in the cassette; a 1'vi transport unit that transports the cassette in the downstream direction; , and a second conveyance unit that carries out the processed cassette from the sewing machine after the sewing process has been performed by the sewing machine, so that automatic sewing can be performed simply by the operator loading the cassette into the first conveyance unit. .

According to another aspect of the present invention, there is provided a cassette for positioning and holding the workpiece, and a table on which the cassette is placed and moves according to a sewing pattern program, and the workpiece held in the cassette is sewn. a sewing machine; a first transport unit that transports the cassette in a downstream direction; ), and the sewing machine, the first conveyance unit, and the second conveyance unit are attached to a moving table, so that the operator can simply load the cassette into the first conveyance unit. , automatic sewing becomes possible, and transportation of the sewing machine and unit becomes easy.

μ, 1 Kashiwa

[Brief explanation of drawings]

Figure 1 is a perspective view of the bag as the object to be sewn, Figure 2 is the front view of Figure 1, Figure 3 is the rear view, Figure 4 is a perspective view of the outer fabric cassette, and Figure 5 is the lining fabric. 6 is a perspective view showing the entire automatic sewing device, and FIG. 7 is a perspective view of the automatic sewing device.
FIG. 8 is a front view of the loading unit seen from direction A shown in the figure; FIG. 8 is a front view of the intake unit seen from direction B shown in FIG. 6;
Fig. 9 is a bottom view of Fig. 8, Fig. 10 is a partially enlarged view of Fig. 9, Fig. 11 is a process diagram showing the sewing pattern of an electronic sewing machine, and Fig. 12 is a clamp provided on the electronic sewing machine side. 13 is a plan view of the conveyance means seen from the direction of arrow G in FIG. 6, FIG. 14 is a side view of FIG. 13, FIG. 15 is a plan sectional view of the input unit, and FIG. 16 is a left side view of FIG. 15, FIG. 17 is a simplified plan view showing the positional relationship with the electronic sewing machine, FIG. 18 is a configuration diagram of the determination means, FIG. 19 is a plan view of the supply device, and FIG. Front view seen from the arrow direction in Figure 19,
Fig. 21 is a partially enlarged view of Fig. 20, Fig. 22 is a configuration diagram of the intake/exhaust section, Fig. 23 is a sectional view taken along the line X-X1 in Fig. 6, and Fig. 24 is Fig. 23. Top view, Figures 25 to 2
FIG. 7 is a front view showing the display contents of the CRT, and FIG. 28 is a partially sectional plan view showing another embodiment. 2... Outer fabric, 3... Lining fabric, 5, 6, 8°9...
- Piece to be sewn, 11.12...Cassette, 15, 16
．． 17. 1.8. 19.20...hole, 21.2
2...Protrusion, 24.25...Cassette identification part, 26
... loading unit 17, 27... taking-in means, 32,
33, 34. 35... Sewing machine, 36... Output crab knit, 37... Controller, 73... Positioning means, 104... Judgment means, 149... CRT, 150
...Sewing machine frame. Agent Masuo Oiwa (and 2 others) Figure 7 LQ Figure 10 Figure 15 Figure 16 Figure 251! II Figure 26 Figure 27 Figure 36 31 30 29, 28 Procedural amendment (
Spontaneous May 13, 1980, Palace of the Director General ■l,
Indication of the case: Japanese Patent Application No. 59-203141 2, Title of the invention: Automatic sewing device 3, Part 5 to Hitoshi Katayama, representative of the person making the amendment, Detailed description and drawings of the invention to be amended. 6. Contents of the amendment (1) The following sentence should be inserted after “I will explain” on page 14, line 13 of the specification. ``The dotted lines in Figures 1 to 3 and Figure 11 indicate sewing threads sewn with an electronic sewing machine.'' (2) The same book, page 15, lines 19 and 20, says ``Movable claw part 73.'' is corrected as "movable claw portion 76". (3) Page 33, line 14 of the same book: “Zipper f and label 7
” should be corrected to “fastener f”. (4) Drawings, Figures 4, 5, 11, and 12. Figures 15 and 17 are corrected as shown in the attached sheet. that's all

Claims (2)

[Claims] (1) A sewing machine that has a cassette that positions and holds the workpiece to be sewn, a table on which the cassette is placed and moves according to a sewing pattern program, and a sewing machine that sews the workpiece held in the cassette; a first transport unit that transports the cassette in the direction; and a second transport unit located at the end of the first transport unit that transports the cassette to the sewing machine, performs sewing processing on the sewing machine, and then transports the processed cassette from the sewing machine. An automatic sewing device characterized by comprising a unit. (2) A sewing machine having a cassette that positions and holds the workpiece, a table on which the cassette is placed and moves according to a sewing pattern program, and a sewing machine that sews the workpiece held in the cassette, and a table that moves the workpiece held in the cassette, and a first transport unit that transports the cassette in the direction; and a second transport unit located at the end of the first transport unit that transports the cassette to the sewing machine, performs sewing processing on the sewing machine, and then transports the processed cassette from the sewing machine. An automatic sewing device comprising: a sewing machine frame; the sewing machine, a first conveyance unit, and a second conveyance unit are attached to a sewing machine frame.