JPS618085A - Automatic stitching device of industrial sewing machine - 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 [Technical Field of the Invention] The present invention relates to an automatic sewing device for an industrial sewing machine.

[Prior art]

Conventionally, in sewing work using industrial sewing machines, the series of tasks such as feeding the sewing product to the sewing position of the sewing machine and removing the completed sewing product from the sewing position are performed manually. This is the current situation.

[Summary of the invention]

This invention was made in order to omit the conventional manual work as described above, and it automatically supplies the sewing product to the sewing position before the sewing machine starts sewing, and also automatically supplies the sewing product to the sewing position after the sewing machine finishes sewing. They are automatically removed from position and stacked.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. 1st
The figure is a perspective view showing one embodiment of an automatic sewing device according to the present invention. In the figure, 1 indicates the sewing position of the sewing machine, and a needle 3 is attached to a needle bar 2 linked to the upper shaft of the sewing machine.
The sewing material is held between a presser foot 4 that moves up and down along the needle bar 2 and a presser foot 4 that is attached to a bed 5, and the needle moves in a specific pattern in synchronization with the rotation of the sewing machine. A board 6 is arranged.

A indicates a loader device, which includes a guide section 7, a slider section 8, a pair of yoke setter sections 9, a name setter section 10, and a name positioning section 11.

The guide section 7 is fixed to the lower surface of the head 5 at sewing position 1.
a frame 12 disposed in front of the frame 12;
It consists of a guide rail 13 fixed on the top. The slider section 8 includes a base 14 movably mounted on the guide rail 13, a sewing position 1 horizontally disposed above the guide rail 13 on the base 14, and a set set in front of the sewing position 1. and a set surface 16 that reciprocates between the position W15 and the position W15. The yoke setter section 9 is rotatably attached via a hinge 17 to a portion whose base end extends above the front end of the set surface 16, and is stepped downwardly from this base end toward both sides of the set surface 16. It has a pair of pressing parts 18. The name setter section 10 is rotatably attached via a hinge 19 to an extending portion above the front end of the setting surface 16 whose base end is located inside one of the yoke setter sections 9, and extends downward from the base end. It has a pressing part 20 which is formed in a stepped manner and corresponds to a name positioning recessed part 24 which will be described later. The name positioning portion 11 has a base end attached to a bracket 21 attached to the upper surface of the front end of the guide rail 13 through a hinge 2.
2, and extends from the proximal end through the relief recess 23 of the base 14 between the set surface 16 and the lower part 10, forming a notch in one corner to form an L-shape. It has a name positioning recessed part 24.

B shows the suftska device, which includes a guide part 25 and a mounting table part 26.
, a terminal support section 27 , and a dispensing section 28 .

The guide section 25 is composed of a sweeping section guide rail 30 fixed on a frame 29 fixed to the front part of one side of the sewing position 1 of the head 5, and a mounting table guide rail 31 fixed on the sweeping section guide rail 30. Become. The mounting table section 26 is movably mounted on a mounting table guide rail 30 at an example of the sewing position 1, apart from the needle plate 6, and has a rectangular mounting surface 32 formed on its upper surface. A terminal support part 27 is connected to the frame 29 by a pin 33 at the front lower part of the throat plate 6 corresponding to the end surface of the mounting base part 26 on the throat plate 6 side.

A wiper slider 34 is movably mounted on the wiper guide rail 30, and a bearing 35 extending horizontally from the rear end of the wiper slider 34 to the upper rear part of the placement surface 32 rotates the wiper 28. It can be worn freely.

The loader device A and the stacker device WB include drive units C and D. The drive unit C is connected to the frame 12 of the loader device A.
The bracket is fixed to the lower surface of the mounting surface, and the cylinder tube is attached to the bottom surface of the base cylinder 38, which is attached to the bracket 37 fixed to the bottom surface of the base 14. The cylinder tube is attached to the base 14, and the piston rod is attached to the yoke section. The yoke cylinder 39 is fixed to the base end of the part 9 through the set surface 16, and the cylinder tube is attached to the base 14. The piston rod is attached to the name setter part 1.
00 A name cylinder 40 fixed to the base end by penetrating the set surface 16, and a positioning cylinder 41 with a cylinder tube attached to the upper surface of the front end side of the guide rail 13 and a piston rod attached to the base end side of the name positioning part 11. Consisting of In addition, the other driving part is a base cylinder 42 with a cylinder tube attached to the upper surface of the sweeping part guide rail 31 of the above-mentioned cleaning unit B, and a base cylinder 42 with a piston rod attached to one end of the mounting base part 26, and a frame 29. To attach the cylinder tube to the lower surface, the cylinder tube is pivotally supported by a support cylinder 43 with a piston rod attached to the lower end of the terminal support part 27, and a bracket 44 protruding from the rear surface of the lower part of the bearing 35 that supported the sweeping part 28. The swinging cylinder 4 is pivoted on a swinging arm 45 protruding from the shaft end of the sweeping section 28.
6, and a cylinder tube 48, which is fixed to a bracket 47 protruding from the lower surface of the slider 34, with a piston rod attached thereto.

In addition, each of the above cylinders 38° 39. 40. 41, 42, 4
In 3.46.48, piping is connected to a near compressor (not shown) via a control valve. It is designed to expand and contract the piston rod. F indicates a sewing operation section of the sewing machine, and this sewing operation section F and the above-mentioned control section E are in communication as will become clear in the operation described later.

Next, the operation will be explained. Before setting the yoke member X constituting one side of the sewn product and the name member Y constituting the other side of the sewn product on the loader device A, the base 14 is stopped at the set position 15 as shown in the first figure. At the same time, the free ends of each setter section 9.9 and the name positioning section 10 are spaced apart and stopped above the setting surface 16. Furthermore, the mounting table part 26 of the stacker device B is separated from one side of the throat plate 6,
The terminal support part 27 is stopped below the throat plate 6, and the brushing part 28 is stopped between the throat plate 6 and the terminal support part 27. Also,
Both needle 3 and presser foot 4 of the sewing machine are stopped at the top dead center position. In this state, the operator places the yoke member X on the setting surface 16 below the yoke setter section 9 using a mark (not shown) as a reference, and then turns on a foot switch (not shown). As a result, the yoke cylinder 39 retracts, the yoke setter section 9 rotates downward about the hinge 17, and after the yoke member X is supported on the set surface 16 by the yoke setter section 9, the positioning cylinder 41 Through the retraction operation, the name positioning portion 11 rotates downward about the hinge 22, and the name positioning recessed portion 24 is placed at the set position on the yoke member X. Therefore, the operator places the name member Y on the yoke member X using the name positioning recess 24 as a guide, and then turns on the foot switch (not shown). As a result, the name cylinder 40 retracts and the name setter section 10 rotates downward about the hinge 19 to press down the name member Y, and then the base cylinder 38 retracts and the loader device A is rotated. base 1
4 moves forward from the set position 15 toward the sewing position 1, and just before stopping at the sewing position 1 while the yoke member After the movement is started and the placement surface 16 stops at the sewing position 1, the presser foot 4 presses down the name member Y and the yoke member X from both sides of the name setter section 100. After that, each cylinder 39, 40° 41 is extended, and each setter section 9
．． 10 and the name positioning part 11 are rotated upward and restored,
After releasing the pressure on both members X and Y, the base cylinder 38
is extended, and the setting surface 16 is pulled out from between the yaw member X and the throat plate 6 as shown in the second figure, moves back, returns to the set position, and stops, and the sewing machine starts sewing. do. Then, the next caulk member Pressed by the name setter section 11, stacker device B described later
The base 14 moves forward due to the retracting operation of the base cylinder 38 of the loader device A in response to the restoration completion signal of the cleaning unit 28.
The next yoke part X and name member Y are transported to the sewing position l (see FIG. 2).

In response to the sewing completion signal of the yoke member At the same time, the terminal support part 27 moves to the mounting table part 26 side, and the yoke member
After one end is pressed down, the sweeping cylinder 48 is extended, the sweeping slider 34 moves, and the sweeping section 28 passes above the mounting surface 32 from the sewing position 1. As a result, after the yoke member After the terminal supporting part 27 is restored and the swinging cylinder 46 is extended and the sweeping part 28 is rotated downward, the sweeping cylinder 4
8 retracts, and the brushing part 28 moves toward the throat plate 6 while separating from the rear edge of the yoke member X on the mounting surface 32. Then, when the sweeping part 28 passes through the yoke member X and is located in front of the terminal support part 27, the swinging cylinder 4
6 is retracted and restored between the throat plate 6 and the terminal support portion 27. When this restoration is completed, a restoration completion signal of the dispensing section 28 of the netatsuka device B is supplied to the base cylinder 38 to the loader device (see FIG. 3).

〔Effect of the invention〕

As described above, according to the present invention, the sewing product is automatically supplied to the sewing position before the sewing machine starts sewing, and the sewing product is automatically removed from the sewing position after the sewing machine finishes sewing, and the sewing product is automatically removed from the sewing position. Since the sewing machine is stacked on top of the sewing machine, it is possible to automate a series of sewing operations in which the next sewing item is set on the loader device while the next sewing item is being sewn, and the completed sewing items are collected before setting the next sewing item. It is possible to achieve efficiency and shortening of sewing work.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an embodiment of the automatic sewing device according to the present invention, FIG. 2 is a schematic diagram illustrating the function of the loader device, and FIG. 3 is a schematic diagram illustrating the function of the stacker device. . A... Loader device, B... Stacker device, C, D.
...Drive section, E...Control section, F...Operation section, 1...
- Set position, 9... Yoke setter part, 10... Name setter part, 15... Set position, 16... Set surface, 32... Placement surface, 27... Terminal support part, 28
...Payment department.

Claims (1)

[Claims] A loader device includes a set surface that reciprocates between the sewing position and the set position of the sewing machine, a setter section that supports the sewn product on the set surface, a mounting surface for the completed sewing product, and terminal support for the completed sewing product. a stacker device comprising a part and a sweeper part for stacking completed sewing items from the sewing position onto a mounting surface, and a reciprocating movement of the setting surface of the loader device and support and release of the support of the setter part prior to the start of sewing of the sewing machine. An automatic sewing device for an industrial sewing machine, comprising a drive section that operates the terminal support section and the wiper section of the stacker device after the sewing machine completes sewing.