JPH055084U - Sewing jig for rubber knitting - Google Patents

Abstract

(57) [Summary] [Purpose] Even a non-skilled operator can sew with surely positioning the seams in the concave groove of the base and the convex stripes of the upper fabric, thus finishing the sewn product. PROBLEM TO BE SOLVED: To provide a sewing jig for a rubber knitted fabric that can be cleaned. [Structure] A plate-shaped projecting piece 18 is projected downward from each of the two presser feet 13, and these projecting pieces 18 are provided.
Is substantially parallel to the insertion direction of the rubber knitted fabric 1, the distance between the projecting pieces 18 is substantially equal to the width of the ridge, and a plate-like member is formed on the front side in the insertion direction of the rubber knitted fabric 1. The protrusion 24 is provided so as to protrude upward, and the protrusion 24 is positioned substantially on one extension of the protrusion 18 protruding from the presser foot 13.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a sewing jig for a rubber knitted fabric for sewing a rubber knitted fabric in which convex ridges and concave grooves are formed in parallel and alternately along the convex ridges.

[0002]

[Prior Art]

 Conventionally, in order to sew a rubber knitted fabric along a ridge, two rubber knitted fabrics 1 are piled up as shown in FIG. 6, and two cloth knitted fabrics 1 are pressed by a sewing machine presser foot 2 to move the sewing machine. The rubber knitted fabric 1 is sewn while being conveyed in the direction of the ridges.

By the way, when the rubber knitted fabric 1 is sewn along the ridges, as shown in FIG. 7, the groove of the rubber knitted fabric (hereinafter referred to as the base) 1a located on the lower side (in the sewing state) When the rubber knitted fabric is placed and viewed from above 1c, the rubber knitted fabric located on the upper side (hereinafter referred to as “upper fabric”) 1b of the ridges (the rubber knitted fabric is placed in a sewing state If you sew 1d together (when you see), the finish will be beautiful.

[0004]

[Problems to be solved by the device]

 However, in the conventional sewing process, a skilled worker adjusts the concave groove of the base and the ridge of the upper fabric so that the concave groove of the base and the ridge of the upper cloth are aligned by the intuition, so the stitches will be distorted if the hand gets out of hand. There is a problem that the groove on the base and the ridge on the upper layer come off and the finish becomes dirty. Especially when the width of the ridges and grooves is small, even in the case of a so-called fine gauge, even a skilled worker should sew the seams according to the groove of the base and the ridge of the upper fabric. Was difficult.

The present invention has been made in view of the above circumstances, and it is possible for even an unskilled operator to sew with surely positioning the seam in the groove of the lower ground and the ridge of the upper ground. It is an object of the present invention to provide a sewing jig of rubber knitted fabric that can make the finished product of the sewn product clean.

[0006]

[Means for Solving the Problems]

 The sewing jig for the rubber knitted fabric of the present invention is a sewing machine having a presser foot in which two rubber knitted fabrics in which convex stripes and concave grooves are formed in parallel and alternately are stacked and two presser feet are formed by split grooves. In the sewing jig of the rubber knitting fabric used when the two rubber knitting fabrics are pressed by the cloth presser to sew along the convex line, a plate-like protrusion is formed from each of the two presser feet. The protrusions are directed downward, the protrusions are substantially parallel to the insertion direction of the rubber knitted fabric, and the distance between the protrusions is substantially equal to the width of the ridge. In addition, a plate-shaped projecting piece is provided on the front side in the insertion direction of the rubber knitted fabric so as to project upward, and this projecting piece is substantially positioned on one extension of the projecting piece projecting from the presser foot. It is characterized by doing.

[0007]

[Action]

 According to the present invention, in the upper part of the rubber knitted fabric, two projecting pieces projecting downward from the two presser feet are provided in the concave groove (when the rubber knitted fabric is placed in a sewing state and viewed from above). The ridge of the upper fabric (when the rubber knitted fabric is placed in the sewing condition and viewed from above) is positioned while being sandwiched between the two protruding pieces.

Further, on the base of the rubber knitted fabric, a projecting piece protruding upward from below is inserted into a concave groove of the base (when the rubber knitted fabric is placed in a sewing state and viewed from below). .. Here, since the projecting piece inserted in the groove of the base is substantially located on the extension of the projecting piece protruding from the presser foot, the groove of the base (the rubber knitted fabric is sewn in a (When viewed from above) are positioned relative to each other so as to overlap the ridges of the upper ground positioned by the protrusions.

Therefore, when the upper and the base which are relatively positioned in this way are sewn, the sewn product is sewn in a state where the concave groove of the base and the ridge of the upper base are surely aligned, and the finished product of the sewn product is neat. Become.

[0010]

【Example】

 A rubber jig knitting jig according to an embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, a cloth retainer 11 is attached to the push rod 10 of the sewing machine through its attaching portion 12. The presser foot 11 has a presser foot 13 slidably attached to an attachment portion 12, and the presser foot 13 is formed in a bifurcated shape with a split groove 14 opening at the tip. A reciprocating sewing machine needle 15 is inserted into the base end portion of the split groove 14. A needle plate 16 having a needle hole 29 is provided below the presser foot 11, and a slide plate 17 is slidably attached to the needle plate 16 so as to be connected to the needle plate 16.

As shown in FIG. 3, a U-shaped attachment portion 19 is inserted from the tip side of the bifurcated presser foot 13 of the cloth retainer 11, and the tip is formed in an arc shape at the side edge of the attachment portion 19. The plate-shaped projecting piece 18 is integrally provided. A screw 20 penetrates and is attached to the upper surface of the attachment portion 19, and the screw 20 is loosened to move the attachment portion 19 in the width direction of the presser foot 13 so that the projecting piece 18 can be moved in the width direction of the presser foot 13. There is. In this way, the distance between the protruding pieces 18 protruding from the two presser feet 13 can be adjusted.

As shown in FIG. 3, the presser foot 11 has a flat surface portion 22 formed at a base end portion thereof, and a curved portion 21 which is connected to the flat surface portion 22 and is curved upward. The curved portion 21 prevents the lower edge of the projecting piece 18 from projecting beyond an imaginary surface extending from the flat surface portion 22.

As shown in FIG. 1, a guide plate 23 is attached to the front side of the cloth presser 11 into which the rubber knitted fabric 1 to be sewn is inserted, and one edge of the guide plate 23 is folded upward. The bent piece is bent to form the protruding piece 24. The height of the projecting piece 24 is gradually increased as it approaches from the side away from the cloth presser 11. The edge 25 closest to the cloth presser 11 is rounded in an arc shape. is there.

A long hole 26 is formed in the guide plate 23, and a ruler fixing screw 27 is inserted into the long hole 26 so that the ruler fixing screw 27 is screwed into a screw portion formed on an extension surface of the needle plate 16. Therefore, it is possible to loosen the ruler fixing screw 27 and move the guide plate 23 horizontally along the extension surface to adjust the position of the protrusion 24 formed at the edge of the guide plate 23. Then, at the time of use, as shown in FIG. 2, the protrusion 24 is adjusted so as to be on the extension line of the protrusion 18 protruding from the presser foot 13 on the right side in the drawing.

Next, a procedure for sewing a rubber knitted fabric using the rubber knitted fabric sewing jig of the present embodiment will be described with reference to FIG.

First, the base 1a is inserted from the front side in the insertion direction of the presser foot 11. At this time, the convex groove located on the right side of the concave groove 1c to be sewn in the figure (when the rubber knitted fabric is placed in the sewing state and seen from above) 1e is located in the concave groove (in the sewing state. A protruding piece 24 standing on the edge portion of the guide plate 23 is inserted into the inside 1f of the rubber knitted fabric (when viewed from below). In this state, when the base 1a is sequentially pushed into the cloth presser 11 side, the concave groove 1c to be sewn is supplied to the cloth presser 11 while being positioned by the projecting piece 24.

When the upper material 1b reaches the presser foot 11, the protruding piece 18 protruding from the two presser feet 13 is used to sew a projecting strip to be sewn (a rubber knitted fabric is placed in a sewing state and viewed from above). When) 1d is inserted into 1g of concave grooves located on both sides of the groove (when the rubber knitted fabric is placed in a sewing state and viewed from above). In this state, when the upper cloth 1b is sequentially pushed into the cloth presser 11 together with the base 1a, the ridge 1d to be sewn is supplied to the cloth presser 11 while being positioned by the projecting piece 18.

Here, since the protruding piece 24 protruding from the guide plate 23 is adjusted so as to be located on the extension of the protruding piece 18 located on the right side of the presser foot 13 in the drawing, the protruding piece 24 in the drawing The groove 1c to be sewn is located on the left side, and the protrusion 1d to be sewn is located on the left side in the figure of the protruding piece 18 located on the right side of the presser foot 13 in the figure. That is, the concave groove 1c of the base 1a and the ridge 1d of the upper base 1b are surely overlapped and supplied to the cloth presser 1, and the reciprocating sewing needle 15 causes the concave groove 1c of the base 1a and the upper base 1a. It is possible to sew in a state where the ridge 1d of 1b and the ridge 1d overlap each other. Therefore, the finish of the sewn product can be cleaned.

[0020]

[Effect of the device]

 As described above, according to the present invention, two rubber knitted fabrics having ridges and concave grooves formed in parallel and alternately are stacked, and a presser foot having two presser feet formed by split grooves is provided. In the sewing jig for the rubber knitting fabric used when pressing the two rubber knitting fabrics with the presser foot of the sewing machine to sew along the ridges, a plate-like protrusion is provided from each of the two presser feet. The protrusions are directed downward, the protrusions are substantially parallel to the insertion direction of the rubber knitted fabric, and the interval between the protrusions is substantially equal to the width of the ridge. In addition, a plate-shaped projecting piece is provided so as to project upward on the front side in the insertion direction of the rubber knitted fabric, and this projecting piece is substantially positioned on one extension of the projecting piece projecting from the presser foot. Therefore, even if you are not a skilled worker, you can Seams can be sewn securely to position the, have, it is possible to clean the finish of sewing products.

[Brief description of drawings]

FIG. 1 is a perspective view showing a sewing jig for a rubber knitted fabric according to an embodiment of the present invention.

FIG. 2 is a plan view showing a sewing jig for a rubber knitted fabric according to an embodiment of the present invention.

FIG. 3 is a side view showing a part of a sewing jig for a rubber knitted fabric according to an embodiment of the present invention.

FIG. 4 is a bottom view of FIG.

FIG. 5 is a cross-sectional view showing the operation of the sewing jig for the rubber knitted fabric according to the embodiment of the present invention.

FIG. 6 is a perspective view showing a sewing state of a conventional rubber knitted fabric.

FIG. 7 is a perspective view showing a sewing mode of a conventional rubber knitted fabric.

[Explanation of symbols]

 1 rubber knitted fabric 1a base 1b upper fabric 1c concave groove 1d convex stripe 1e convex stripe 1f concave groove 1g concave groove 11 cloth retainer 13 presser foot 14 split groove 18 projecting piece 19 mounting portion 20 screw 23 guide plate 24 projecting piece 26 long hole 27 Ruler set screw

Claims (1)

[Claims for utility model registration] [Claim 1] Two pieces of rubber knitted fabric in which convex stripes and concave grooves are formed in parallel and alternately are stacked, and a cloth presser having two presser feet formed by split grooves is provided. A sewing jig for a rubber knitted fabric, which is used when pressing the two rubber knitted fabrics by a cloth presser of a sewing machine to sew along the ridges, wherein a plate-shaped protrusion is provided from each of the two presser feet. Are projected downward, these protrusions are substantially parallel to the insertion direction of the rubber knitted fabric, and the interval between the protrusions is substantially equal to the width of the ridge. At the same time, a plate-shaped projecting piece is provided so as to project upward on the front side in the insertion direction of the rubber knitted fabric, and this projecting piece is substantially positioned on one extension of the projecting piece projecting from the presser foot. A sewing jig for a rubber knitted fabric, which is characterized in that