JPS6243507Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an automatic sewing jig used for sewing a tape in the middle of the sewing position of two materials.

(Prior Art) In conventional sewing work, when sewing a certain length of tape 60 in the middle of the sewing position of two materials 50 and 51 as shown in FIG. After sewing the materials 50 and 51 up to the point, set the tape 60, align the C point at the rear end of the tape with the edge of the materials 50 and 51 with one hand, and proceed to sew up to the C point. Next, hold the C point. This requires a complicated manual operation of moving the hand that was holding the sewing machine to point D and then sewing to point D, and such sewing work cannot be performed automatically.

(Purpose of the invention) The present invention solves these conventional problems and automatically sews a tape in the middle of the sewing position of two materials by attaching it to a conventional industrial sewing machine. It was completed with the aim of being an automatic sewing jig that could do this.

(Structure of the invention) The invention provides a top cover that can be opened and closed above a partition plate that is equipped with a tape guide, and a lever that has a tape pressing roller at its tip that can be freely swung up and down in the front part of the top cover. A cylinder is mounted at the rear of the lever and is equipped with a slide that pushes up the rear end of the lever, and the partition plate has a lock that engages with a portion of the slide when the slide moves forward to lock the top cover. The sewing machine is characterized in that a metal fitting is provided protrudingly provided and a sensor is attached to the main body of the sewing machine to detect the edge of the cloth and operate the cylinder.Hereinafter, the sewing machine will be explained in detail with reference to the illustrated embodiment.

In the figure, 1 is a sewing machine body of an industrial sewing machine, 2 is a sewing machine table, and 3 is a jig base attached to the sewing machine table 2 along the traveling direction of materials 50, 51 to be sewn. The base of a partition plate 6 consisting of two upper and lower flat plates 4 and 5 is fixed to the jig base 3. As shown in the figure, the partition plate 6 is extended over the sewing machine table 2 in a cantilevered state, and the lower flat plate 5 is located between the materials 50 and 51 and has a guide section provided at its end. The upper flat plate 4 is positioned between the material 50 and the tape 60 and guides the tape 60 by a guide portion 8 provided at its center. Above this partition plate 6, an elongated top lid 10 whose base is pivotally connected to the jig base 3 by a hinge 9 is provided so as to be openable and closable. roller 1
A lever 13 having a lever 2 is pivotally mounted with a pin 14 so as to be swingable in the vertical direction. This lever 13
The rear end is formed obliquely upward, and a cylinder 16 having a wedge-shaped slide 15 at its tip that pushes up the rear end of the lever 13 is disposed at the rear end thereof. Furthermore, a lock fitting 18 is provided on the upper flat plate 4 of the partition plate 6 in a protruding manner to engage with the protrusion 17 of the slide 15 to lock the top cover 10. In addition, the sewing machine body 1 includes material 50,
A photoelectric sensor 19 is attached to detect the cloth edge 52 of the cloth 51, and when the cloth edge 52 is detected, the cylinder 16 is actuated.

With this structure, a top lid provided above the partition plate 6 is opened, and a lower material 51 is placed between the lower flat plate 5 and the sewing machine table 2.
Further, an upper material 50 is set between the upper flat plate 4 and the lower flat plate 5, and a tape 60 is set on the upper surface of the upper flat plate 4, and the upper lid 10 is closed as shown in FIG. Next, press the start switch on the sewing machine to start sewing machine body 1, and the material 5
0 and 51 are sewn while moving forward by the feed of the sewing machine main body 1, and when the fabric edge 52 is detected by the sensor 19 attached to the sewing machine main body 1, the upper cover 1
The cylinder 16 located on 0 is actuated. As a result, the slide 15 moves forward and engages with a locking fitting 18 that locks the top cover 10 protruding from the partition plate 6, and at the same time, the lever 13, which is pivoted to the front part of the top cover 10 so as to be swingable in the vertical direction, moves forward. The rear end is pushed up by its wedge surface, and the tape pressing roller 12 at the tip of the lever 13 is pushed down to press the tape 60 against the upper surface of the material 50. At this time, a lifting force acts on the upper lid 10 as a reaction to the pressing down force of the tape pressing roller 12, but it will not open because it is locked by the locking fitting 18 as described above. In this way, when the tip of the tape 60 is pressed by the tape presser roller 12, the tape 60 also starts moving forward due to friction with the material 50, and the feeding of the sewing machine body 1 ensures that the material 50, 51 is sewn in the middle. be combined. Therefore, by changing the settings of the sensor 19, the sewing start position of the tape 60 can be set freely, and the tape 60 can be reliably sewn at a predetermined position no matter how the sewing speed of the sewing machine body 1 changes. Can be attached.

(Effects of the invention) As is clear from the above explanation, the invention has two
This system can automatically sew tape in the middle of the sewing position of sheets of material, and can greatly reduce the number of man-hours for this type of work, which conventionally required complicated manual work. Since the tape is fed while being reliably guided by the partition plate, the seam allowance is stable, and even an unskilled person can perform stable sewing work. Furthermore, the present invention has the advantage that it can be easily installed on conventional industrial sewing machines, has a simple structure, and can be manufactured at low cost. Its practical value as a sewing jig is extremely great.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway perspective view showing an embodiment of the present invention, and FIG. 2 is a perspective view of a sewn product sewn by the apparatus of the present invention. 6: Partition plate, 10: Top lid, 12: Tape press roller, 13: Lever, 15: Slide, 16: Cylinder, 18: Lock fitting, 19: Sensor, 5
2: Cloth edge, 60: Tape.

Claims (1)

[Scope of utility model registration request] A top lid 10 is provided above a partition plate 6 having a tape guide portion 8 so as to be freely openable and closable, and a lever 1 having a tape pressing roller 12 at the tip is provided in the front part of the top lid 10.
A cylinder 16 is provided at the rear of the cylinder 16 with a slide 15 that pushes up the rear end of the lever 13, and the slide 15 moves forward on the partition plate 6. The automatic sewing machine is characterized in that a lock fitting 18 is provided protrudingly to lock the upper cover 10 by engaging with a part of the upper cover 10, and a sensor 19 is attached to the sewing machine main body 1 to detect the edge of the fabric and actuate the cylinder 16. jig.