JPH0889679A - Winder for sewing machine - Google Patents

Abstract

PURPOSE: To accurately keep a projection at the preset position by forming a guide groove for guiding a projection such as a snap or the like on a sewing machine winder for bending a sewn article having the projection to the prescribed shape. CONSTITUTION: A winder 5 is a double-folded holder for folding both sides of cloth and has a winder body 10 and an intermediate tongue 11. The body 10 has both ends 10a and 10b bent inward and has a guide groove 12 formed near a center section for guiding a projection such as a snap 1. In addition, the guide groove 12 has breadth slightly larger than the outer diameter of the projection such as a snap 1. The winder 5 is fixed to a sewing machine table via a mounting seat 14. Table cloth 2 is inserted from a cloth feed aperture 13 and forced into clearance between the body 10 and the tongue 11, and when the leading end of the table cloth 2 is slightly projected from the end of the winder 5, the cloth 2 comes to have the snap 1 or the like guided by the groove 12, and a gap between a bent section 2a and the snap 1 or the like is thereby kept constant accurately.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sewing machine winder, and more particularly to a sewing machine winder for folding a body cloth or tape material to which snaps and hooks are attached in advance.

[0002]

2. Description of the Related Art A body to which a protrusion such as a snap, a hook or a button or a velcro is attached in advance, or a sewn material such as a tape material is folded into a predetermined shape while being folded when the sewing is performed. The ingredients are used. 10 to 13 are views for explaining a manner of folding such a sewn product.

In the case of FIG. 10, both sides 2A of a tape-shaped cloth (tape cloth) 2 to which a snap 1 and the like are attached,
2B is folded inside and is sewn to the body 3 along the seam line 4, and such a fold is hereinafter referred to as a double fold.

In the case of FIG. 11, both sides 2A and 2B of the tape material 2 to which the snaps 1 and the like are attached are folded inward and the central portion 2C is folded and sewn to the body 3 along the seam line 4. Such a fold is hereinafter referred to as a four-fold.

In the case of FIG. 12, the side portion of the body 3 to which the snap 1 and the like are attached is bent inward at two points 3A and 3B and sewing is performed along the seam line 4 as described above. The simple folding is hereinafter referred to as triple winding.

In the case of FIG. 13, the side portion of the body 3 to which the snaps 1 and the like are attached is bent inward at one location 3B, and sewing is performed along the seam line 4. Hereinafter referred to as two windings.

Different winding tools are used in accordance with the above-mentioned respective folding modes, and they are referred to as a double-fold holder, a four-winding binder, a three-winding hemmer, and a two-winding feller, respectively.

[0008]

In the case of folding and sewn the body cloth or the tape material 2 to which the snaps and hooks are attached as described above, from the viewpoint of improving the quality of the sewn product, the position of the snaps 1 or the like is changed. It is desirable to be in a predetermined position, and therefore, for example, the folding portion 2A on the side of the tape material 2
It is desirable to keep the distance from (see FIG. 10) constant.

Conventionally, a winding device is provided with a gap having a shape corresponding to the bending shape of the sewing material such as the tape material 2 and the body 3, and a predetermined shape is obtained by passing the sewing material through the space. ing. In this case, since the side portion of the sewn product that is the bent portion comes into contact with the corresponding portion of the winding tool, the snap 1 or the like is kept in a predetermined position by the distance between the contact portion and the snap 1 or the like. I am trying.

However, since the cloth is highly flexible, the position of the snap 1 or the like becomes unstable in the conventional winding tool which only makes the side portions of the cloth contact, and it is difficult to maintain the cloth accurately at a predetermined position.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a winding device for a sewing machine which can accurately hold a protrusion such as the snap 1 at a predetermined position.

[0012]

In order to achieve the above object, according to the present invention, in a sewing machine winding tool for bending a sewing object to which a protrusion such as a snap is attached in advance into a predetermined shape, A winding tool for a sewing machine is provided which is provided with a guide groove for guiding a protrusion.

[0013]

When the article to be sewn is bent into a predetermined shape, the guide groove guides a protrusion such as a snap. Since the guide groove holds the position of the snap or the like accurately, for example, by bringing the side part of the sewn material into contact with the winding tool as in the conventional case, the interval between the side part and the snap is kept constant. Be drunk

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view of a first embodiment of a winding device for a sewing machine according to the present invention, and FIG. 2 is a sectional view showing the AA cross section of FIG. 1 together with a tape material.

The winding tool 5 of this embodiment is a double-folding holder for double-folding as shown in FIG. 10, and has a winding tool body 10 and a middle tongue 11. Both ends 10A and 10B of the main body 10 are bent inward, and a guide groove 12 for guiding a snap or the like is formed near the center. This guide groove 12
Has a width slightly larger than the outer diameter dimension such as a snap. 1
3 is a cloth insertion port, which is formed integrally with the middle tongue 11. The winding tool 5 is fixed to a sewing machine table (not shown) by a mounting base 14.

Although the guide groove 12 is provided only in the main body 10 in the illustrated example, it may be provided only in the middle tongue 11 instead of in the main body 10, or in the main body 10 and the middle tongue 11.
May be provided in both. When provided on both the main body 10 and the middle tongue 11, the two grooves are formed so as to overlap each other.

The operation of bending the tape material 2 into a predetermined shape by using the winding tool 5 will be described. The tape material 2 is inserted from the cloth insertion opening 13 between the main body 10 and the middle tongue 11 and pushed in to wind the winding material. The tip of the tape material 2 is slightly projected from the tip of 5. At this time, it is preferable that a long hole is provided in the middle tongue 11 in order to push the tape material 2 and the operator pushes it through the long hole. Since both ends of the tape material 2 are bent inward while the snaps 1 and the like are guided by the guide grooves 12, the interval between the bent portion 2A and the snaps 1 and the like is accurately kept constant.

In this state, the sewing machine is driven to move the sewing machine along the seam line 4 as shown in FIG.
2B is sewn onto the body 3, and as the sewing progresses, the tape material 2 is fed by the cloth feeding action of sending the body 3 during sewing.
Is also pulled out from the winding tool 5.

FIG. 3 is a perspective view of a presser foot of a sewing machine (two-needle sewing machine) that performs this sewing. A groove 16 for passing the snap 1 and the like is formed on the lower surface of the presser foot 15. In addition, 15A is a needle hole.

FIG. 4 is a perspective view of a second embodiment of the sewing machine winder according to the present invention, and FIG. 5 shows the body 10 and the middle tongue 11 of the sewing machine winder as seen from the direction of the cloth outlet 6B of FIG. It is a figure.

The winding device 6 of this embodiment is a four-winding binder for the four-winding process shown in FIG. Both ends 10A and 10B of the main body 10 are bent inward, and the tip end side is bent in two together with the middle tongue 11 from near the middle of the cloth insertion opening 6A and the cloth outlet portion 6B. Further, the main body 10 and the inner tongue 11 are formed with guide grooves 12 and 9 for guiding snaps and the like. These guide grooves 12 and 9 have a width slightly larger than the outer diameter dimension such as a snap.

The middle tongue 11 is provided with a long hole 17 for an operator to push in the tape material 2. The winding tool 6 is fixed to a sewing machine table (not shown) by a mounting base 14.

In this embodiment, the bent portions at the both ends of the main body 10 are small at the cloth insertion opening 6A and are largely bent at the cloth outlet portion 6B, so that the bending at both side ends of the tape material 2 is the cloth outlet portion 6B. It is supposed to be completed in.

In the illustrated example, both the main body 10 and the middle tongue 11 are provided with guide grooves 12, 9 for guiding the snap 1 or the like, but the main body 1 is similar to the first embodiment.
It may be provided only on 0 or only on the middle tongue 11.

Using this winding device 6, the tape material 2 is shown in FIG.
The operation of bending the tape material 2 into a predetermined shape as shown in FIG.
The tape material 2 is inserted and pushed in between the two to slightly project the tip of the tape material 2 from the tip of the winding tool 6. The tape material 2 has its center portion 2C and both side edges 2A and 2B bent inward while the snaps 1 and the like are guided by the guide grooves 12 and 9, so that the distance between the bent portions 2A, 2B and 2C and the snaps 1 and the like is small. Kept exactly constant.

In this state, the sewing machine is driven to sew both end portions of the tape material 2 to the body 3, and as the sewing progresses, the tape material 2 is pulled by the cloth feeding action and pulled out from the winding device. It will be served.

Similar to the first embodiment, as shown in FIG. 6, a groove 19 for allowing the snap 1 or the like to pass is formed on the lower surface of the cloth presser 18 of the sewing machine for sewing.

FIG. 7 is a top view showing the vicinity of the front end portion of the winding tool 6 when the narrow cloth retainer 20 is used. In the case of such a narrow presser foot 20, the presser foot 20 itself is not provided with a groove for allowing the snap 1 or the like to pass therethrough, but a cloth presser 21 is provided at the tip of the winding tool 6, and the presser foot 21 and the presser foot 21 are provided. Snap 1 etc. should pass between 20. Reference numeral 22 is a material stopper for pressing the tape material 2 so as not to shift, and it is preferable to provide such a material stopper 22 also on the winding tool 6 shown in FIG.

FIG. 8 is a perspective view of a third embodiment of the sewing machine winder according to the present invention. The winding device 8 of this embodiment is a three-winding hemmer for the three winding process of FIG.
And has a middle tongue 11. The main body 10 has both ends 10A and 10B
Is bent inward, and a guide groove 12 for guiding a snap or the like is formed. The guide groove 12 has a width slightly larger than the outer diameter dimension such as a snap.

On the lower surface of the middle tongue 11, a bent portion 3A of the body 3 is formed.
Contact portion 11 for contacting the side edge 3C (see FIG. 12) of the
A is provided.

A bar member 23 and a winding tool holding portion 24 are provided on a mounting base 14 for fixing the winding tool 8 to the sewing machine table. The wrapping member 8 is rotatably attached around the rod member 23, and is biased in the counterclockwise direction in the drawing by a spring 25 so that the wrapping member 8 is wound when setting the body 3 on the wrapping member 8 before sewing. It is configured to be held by the tool holding portion 24.

In the example shown in FIG. 8, the main body 10
Although the guide groove 12 for guiding the snap 1 or the like is provided only on the rear side, it may be provided only on the middle tongue 11 as shown in FIG. 9, or may be formed on both the main body 10 and the middle tongue 11. .

Explaining the work of bending the body 3 into a predetermined shape by using the winding tool 8, the body 3 is inserted into the cloth insertion opening 8
Insert from A into the space between the main body 10 and the middle tongue 11, push in,
The tip of the tape material 2 is slightly projected from the tip of the winding device 8. Since the side parts 3A and 3B (see FIG. 12) of the body 3 are bent inward while the snaps 1 and the like are guided by the guide grooves 12, the intervals between the bent parts 3A and 3B and the snaps 1 and the like are accurate. Is kept constant.

In this state, the sewing machine is driven to sew one side end of the body 3, and as the sewing progresses, the body 3 is pulled by the cloth feeding action and pulled out from the winding tool 8. Go on.

As in the case of the first embodiment, a groove for allowing the snap 1 or the like to pass is formed on the lower surface of the cloth presser of the sewing machine for sewing.

Although the sewing machine winding tool of the present invention has been described based on the embodiment, the present invention is not limited to this embodiment and can be variously modified. For example, although the embodiment of the winding device (two-winding binder) for two windings in FIG. 13 has not been described, this two-winding binder has substantially the same shape as the winding device 8 in FIG. One of the bent portions at the both ends of the tongue (left side in FIG. 8) is not provided, and the flat shape is obtained.
One in which the contact portion 11A of 1 is omitted can be used. Further, although the example in which the snap 1 is attached to the sewn items 2 and 3 in advance is shown, the sewn item is not limited to the snap 1 and may be one that protrudes from the sewn item 2 or 3 that is bent by a winding tool, such as a hook or a button or a magic piece. It can be applied to tapes, etc.

[0038]

As described above, according to the sewing machine winding tool of the present invention, when the sewing object is bent into a predetermined shape, the guide groove guides the projection such as the snap, so that the position of the snap is changed. Precisely retained.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment of a winding device for a sewing machine according to the present invention.

FIG. 2 is a cross-sectional view showing the AA cross section of FIG. 1 together with the tape material.

FIG. 3 is a perspective view of a presser foot of a sewing machine that performs sewing using the sewing machine winding tool according to the first embodiment.

FIG. 4 is a perspective view of a second embodiment of the winding device for a sewing machine according to the present invention.

FIG. 5 is a view showing the main body and the middle tongue of the sewing machine winding tool according to the second embodiment when viewed from the direction of the cloth outlet.

FIG. 6 is a perspective view of a presser foot of a sewing machine that performs sewing using the sewing machine winding tool according to the second embodiment.

7 is a top view showing the vicinity of the tip end portion of the winding tool of the second embodiment when a cloth presser different from the cloth presser of FIG. 6 is used.

FIG. 8 is a perspective view of a third embodiment of the winding device for a sewing machine according to the present invention.

FIG. 9 is a perspective view showing a modified example of the middle tongue of the third embodiment.

FIG. 10 is an explanatory view of a folding state of a sewing object to which a protrusion such as a snap is attached in advance, and is a view showing a state in which the sewing object is folded in both directions.

FIG. 11 is a view showing a state in which the sewing object is wound in four turns.
It is a figure similar to 0.

FIG. 12 is a view showing a state in which the sewing object is wound in three.
It is a figure similar to 0.

FIG. 13 is a view showing a state in which the sewing object is wound in two.
It is a figure similar to 0.

[Explanation of symbols]

1 snap 2 tape fabric 2
A, 2B Side (folded part) 2C Central part (folded part) 3 Body part 3
A Folding part 4 Seam line 5, 6, 8 Winding tool 6
A Cloth insertion port 6B Cloth outlet part 8A Cloth insertion port 1
0 Winding tool body 10A, 10B Both ends 11 Middle tongue 1
1A Contact part 12,9 groove 12,19 groove 1
4 Mounting base 15 Cloth clamp 15A Needle hole 1
6 Groove 17 Long hole 18 Presser foot 2
0 cloth presser 21 cloth presser 22 cloth stopper 2
3 bar material 24 winding tool holder 25 spring

Claims (1)

[Claims] 1. A winding tool for a sewing machine, which bends a material to be sewn to which protrusions such as snaps are attached in advance into a predetermined shape, wherein guide grooves for guiding the protrusions such as snaps are provided. Winding machine for sewing machines.