JPS618084A - Loader apparatus of industrial 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 [Technical Field of the Invention] The present invention relates to a loader device for an industrial sewing machine.

[Prior art]

Conventionally, in sewing machines where one sewing cycle was completed by moving the regular workpiece along with the presser foot on the head surface, when sewing regular workpieces such as labels and labels onto the body of clothing, etc., the sewing machine was raised. The worker positions the workpiece at a desired position on the lower surface of the presser foot, then lowers the presser foot to press the workpiece against the sewing machine bed surface, and then starts the sewing machine and starts sewing. However, with this method, the worker must position the workpiece on the lower surface of the rising presser foot, and the operator may have to repeat the positioning operation many times due to the presser foot getting in the way. The sewing machine is not in operation while this process is being carried out, which has the disadvantage of reducing work efficiency and quality.

[Summary of the invention]

This invention was made in order to eliminate the above-mentioned drawbacks of the prior art.When sewing a regular workpiece such as a label or name onto the body of a garment, the body of the garment and the regular workpiece such as a label or name are sewn together in advance. The present invention provides a loader device that automatically supplies the set sewing material to a desired position on the underside of the presser foot of a sewing machine, thereby shortening the setting time and making the quality of the sewing product uniform. .

[Embodiments of the invention]

Hereinafter, one embodiment of the present invention will be described by taking as an example a case in which a name label (hereinafter referred to as name) is sewn onto the yoke of a cuckoo shirt. FIG. 1 is a perspective view showing one embodiment of a loader 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. It consists of a presser foot 4 and a lower presser plate 6 which hold the fabric and move the sewing pattern in synchronization with the vertical movement of the needle bar, and the needle 3 is inserted into the slits 1-6a and 6b of the lower presser foot 6 through the slits 4a of the presser foot. , 4a to form a stitch.

7 indicates a guide section disposed in front of the sewing position 1;
It consists of a frame 8 fixed to the lower surface of the top plate 5 and a guide rail 9 fixed on the frame 8.

Reference numeral 10 indicates a slider mechanism movably mounted on the guide section 7, which includes a base section 11 movably mounted on the guide rail 9, and a support wall of the base section 11 projecting above the guide rail 9. a set surface 14 that protrudes horizontally toward the sewing position 1 on the rear surface of the guide section 12 and reciprocates between the sewing position 1 and the set position 13 in front of the sewing position 1; and a mounting side of the frame 8 of the guide section 7 Bracket 15 fixed to the bottom surface
It consists of a cylinder 16 supported by. This cylinder 1
The piston 16a of No. 6 is fixed to a bracket 17 attached to the lower surface of the base portion 11.

Reference numeral I8 indicates a pair of yoke center portions disposed on both sides above the set surface 14, the base ends of which are rotatably attached to the upper end of the support wall 12 extending above the front end of the set surface 14 via a hinge 19. A pressing portion 20 is provided on the lower surface of the free end which is formed in steps downward from the base end. A piston 21a of a cylinder 21 supported by the base portion 11 of the slider mechanism 10 is fixed to the base end side of the yoke setter portion 18, passing through the setting surface.

Reference numeral 22 designates a name center portion disposed inside one of the pair of yoke center portions 18, the base end of which is located on the inside of the support wall 12.
It is rotatably attached to the upper end via a hinge 23, and has a pressing portion 24 corresponding to a name positioning portion, which will be described later, on the lower surface of the free end that is stepped downward from the base end. A piston 25a of a cylinder 25 supported by the base portion 11 of the slider mechanism 10 is fixed to the base end side of the name center portion 220 by penetrating through the cell I/face 14.

Reference numeral 26 denotes a name positioning part, the base end of which is attached to a hinge 28 to a bracket 27 attached to the upper surface of the front end of the guide rail 9.
an escape recess 2, which is rotatably attached via the
9 and extends between the setting surface 14 and the name center portion 22, and one corner of this extended end is cut out to have an L-shaped name positioning recess 30. A piston 31a of a cylinder 31 supported on the upper surface of the guide rail 9 is fixed to the base end side of the name positioning portion 26. Each of the above cylinders 16°, 21, 25, and 31 is connected to a near compressor (not shown) via a control valve, and the switching operation of the control valve controls the alternation between the supply of pressurized air and the discharge of pressurized air from the near compressor. with each piston 16
a.

21a, 25a, and 31a perform expansion and retraction operations.

Next, the operation will be explained. Before setting the yoke member X and the name member Y, the slider mechanism 10 is stopped at the set position 13 as shown in the first figure, and the ζ yoke center portion 18. Name setting 7a part 22, name positioning part 26
The free end is stopped at a distance above the set surface 14. Further, the needle 3 of the sewing machine is also stopped at the top dead center position. In this state, the operator must move the yoke member
After placing it on the setting surface 14 below the pressing part 20 of No. 8 using a mark (not shown) as a reference, a two-tooth switch (not shown) is inserted. As a result, the piston 21 of the cylinder 21
a retracts, the yoke center portion 18 rotates downward as the center of rotation of the hinge 19, and the yoke member X is pressed and supported between the pressing portion 20 and the set surface 14, and the cylinder 3
The first piston 31a retracts, the name positioning portion 26 rotates downward about the hinge 28, and the name positioning recess 30 is placed at the set position on the yoke member X. Then, the operator places the name member Y on the caulk member X using the name positioning recess 30 as a guide.

Then, by turning on the foot switch not shown in the above figure, the piston 25a of the cylinder 25 retracts, and the name center portion 22 rotates downward about the hinge 23 to press down the name member Y. , the piston 16a of the cylinder 16 retracts and the heel portion 11 of the slider mechanism 10 moves forward from the set position 13 toward the sewing position 1;
The yoke member X and the name member Y are conveyed while being pressed on the setting surface 14, and the lower surface of the seventh mounting surface 14 slides onto the lower presser plate 61 and is stopped at the sewing position 1. Then, the presser foot 4 starts to move downward, and after stopping at the sewing position 1, the presser foot 4 moves from both sides of the sewing section 22 to the name member Y.

Press down the yoke member X. Then cylinder 21°25
．． 31 pistons 21a, 25a, 31a are extended,
Yoke center part 18. The name senota part 22 and the name positioning part 26 rotate upward about the hinges 19 and 23 degrees 28, forming a yoke member.

After the pressing support between X and name member Y is released, the piston 16.2 of the cylinder 16 expands, and the seven throat surface 14 is pulled out from between the yoke member X and the lower presser plate 6 as shown in the second figure, and double-acts. Then, the next yoke member 26 as a guide, and when the foot switch is turned on, it is pressed down by the piece setter section 22, and the slide mechanism 10 is prepared for forward movement, and the sewing position 1 is set at the sewing position 1.
After the sewing operation supported by is completed, the slide mechanism lO moves forward due to the retraction of the piston 16a of the cylinder 16, and the yoke member X and name member Y at the next position are supported at the sewing position. By repeating this, the yoke member X and the name member Y are automatically supplied to the sewing position 1. 5 [Effects of the Invention] As described above, according to the present invention, the yoke center part and the name center part are provided, and the yoke and name can be set, and the set sewing machine can be placed at a desired position on the lower surface of the presser foot of the sewing machine. Since items are automatically fed, setting time can be shortened, quality can be stabilized, and sewing efficiency can be significantly improved.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an embodiment of a loader device for a sewing machine according to the present invention, and FIG. 2 is a schematic side view for explaining the operation of the device. DESCRIPTION OF SYMBOLS 1... Sewing position, 7... Guide part, 9... Guide rail, 10... Slider mechanism, 13... Set position, 14... Set surface, 18... Yoke setter part, 22... Name center section. Agent Masuo Oiwa (and 2 others) Figure 1

Claims (1)

[Claims] a guide section disposed in front of the sewing position of the sewing machine; a slider mechanism movably attached to the guide section and having a set surface that reciprocates between the sewing position and a set position in front of the sewing position; Rotatably mounted on the front part of the set surface of the slider mechanism, and between the free end and the set surface, a first
a first sewing member setter section that presses the sewing member; and a second sewing member whose base end is rotatably attached to the front part of the setting surface of the slider mechanism and a second sewing member between the free end and the setting surface. A loader device for an industrial sewing machine, comprising: a second sewing material setter section that overlaps and presses the sewing member; and a positioning mechanism section for the second sewing material at a sewing member setting position in front of the sewing position.