JPH0662982U - A edging jig and a sewing machine equipped with the edging jig - Google Patents

Abstract

(57) [Summary] [Purpose] Despite the difference in tape conditions such as material and color, it is possible to easily maintain a predetermined finished width, and even if the tape cutting angle is not normal, the material is An object of the present invention is to provide a edging jig and a sewing machine provided with the edging jig, which can surely align the widths of the finished tapes above and below. A tape T that is guided along the inside of the guide member 10 by rotating the guide member 10 within the surface of the needle plate 1.
By adjusting the angle formed between the feeding direction X of the cloth C and the feeding direction X of the cloth C, the tension applied to the tape T is manipulated to adjust the finished tape width, and the surface of the tape T and the needle guided in the guide member 10 are adjusted. By adjusting the angle between the surface of the plate 1 and the surface of the plate 1, the tension applied to both edges of the tape T pulled out from the tip of the guide member 10 is adjusted to adjust the amount of extension of both edges of the tape T. Align the width of the finished tape on the top and bottom of dough C.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is provided with an edging jig and an edging jig that guide the tape along the tubular guide member, wrap the edge of the cloth with the tape, and sew the tape to the edge of the cloth. Regarding sewing machine.

[0002]

[Prior art]

 Conventionally, as a sewing machine equipped with this kind of edging jig, as shown in FIGS. 3 and 4, a needle plate 1 is provided in a sewing machine body M, and a cloth C is pressed above the needle plate 1. 2 is provided with a needle foot 3 for penetrating the needle foot 1 and the needle plate 1 so as to be able to reciprocate up and down, and a guide member 4 for guiding the tape T is provided on the needle plate 1. It is known that the cloth C is inclined by a predetermined angle with respect to the feeding direction X of the cloth C and is slidably adjustable in a direction orthogonal to the feeding direction X of the cloth C. As shown in FIG. 4, the guide member 4 has a distal end cylindrical portion 4a formed in a tapered shape having an internal space having a substantially M-shaped cross section, and a proximal end cylindrical portion 4b formed in a flat cylindrical shape. At the same time, an L-shaped support tool 4c fixed to the side surface of the distal end tube portion 4a is slidably mounted on the needle plate 1 and has a U-shaped groove at the distal end of the distal end tube portion 4a. A pair of upper and lower claw portions 4e that engage with the formed guide portion 4d are respectively provided on the distal end cylinder portion 4a so as to be able to move back and forth, while the cloth C in which the edge portion is wrapped with the tape T from the side is provided. A guide tool 4f for supporting and guiding is provided on the support tool 4c so as to be adjustable forward and backward, and a guide rod member 4g for guiding the tape T to the proximal end tube portion 4b is attached to the support tool 4c. There is something.

In the sewing machine including the edging jig configured as described above, the tape T is formed by the meandering portion 4h of the guide rod member 4g of the guide member 4, the base end cylindrical portion 4b, and the distal end cylindrical portion 4a. Then, the tape T is supported and guided along the guide tool 4f and the claw portion 4e, and in the process, the tape T is bent into four folds as shown in FIG. The tape T is sewn to the edge of the cloth C by the needle 3 in a state where the edge of the cloth C sandwiched between the cloth presser 2 and the cloth is wrapped.

[0004]

[Problems to be solved by the device]

 By the way, the tape T sewn to the edge portion of the cloth C is narrowed in width due to tension applied in the longitudinal direction during sewing, but the proportion thereof varies depending on the material or the color of the tape T, and therefore the same. When tapes T of various materials or colors are sewn depending on the sewing conditions, the problem arises that the width of the finished tape will differ, and if too much tension is applied to the tape, the tape will be sewn after sewing. There is a problem that T shrinks and the fabric C wrinkles. The tape T is a tape that is cut at an angle of 45 degrees with respect to the pair of warp and weft threads (so-called bias tape). At the edge portion, since the rate of elongation under tension is different, there arises a problem that the finished tape width is different between the upper and lower parts of the cloth C.

The present invention has been made in view of the above circumstances, and an object of the present invention is to easily maintain a predetermined finish width regardless of differences in tape conditions such as a material and a hue. An object of the present invention is to provide a edging jig and a sewing machine provided with the edging jig that can surely align the finished tape widths on the top and bottom of the cloth even when the tape cutting angle is not normal.

[0006]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, according to claim 1 of the present invention, a tubular guide member is provided on a needle plate at a predetermined angle with respect to the feeding direction of the cloth, and a tape is provided along the guide member. Is a edging jig that guides, and wraps the edge of the cloth with the tape, and sews the tape to the edge of the cloth, wherein the guide member can be rotationally adjusted within the surface of the needle plate. On the needle plate. According to claim 2 of the present invention, in addition to the structure of claim 1, a guide member is provided on the needle plate such that a tape surface of the guide member can be tilted with respect to the surface of the needle plate. Is. Further, according to claim 3 of the present invention, a tubular guide member is provided with an edging jig provided on the needle plate at a predetermined angle with respect to the cloth feeding direction, and along the inside of the guide member. A sewing machine which guides a tape, wraps the edge of the cloth with the tape, and sewes the tape to the edge of the cloth, wherein the guide member rotates within the surface of the needle plate. It is provided on the needle plate so that the tape surface can be adjusted and the inclination of the tape surface with respect to the surface of the needle plate can be adjusted.

[0007]

[Action]

 In the edging jig according to claim 1 of the present invention, the angle formed between the tape guided along the guide member and the feeding direction of the cloth by rotating the guide member within the surface of the needle plate. Adjust the tape tension by adjusting the to adjust the tape width of the finished tape. Further, according to claim 2 of the present invention, both edges of the tape pulled out from the tip of the guide member are adjusted by adjusting the angle between the surface of the tape guided in the guide member and the surface of the needle plate. Adjust the amount of tension applied to each part to adjust the amount of elongation at both edges of the tape and make the width of the finished tape on the top and bottom of the fabric uniform. Further, in the sewing machine provided with the edging jig according to claim 3 of the present invention, the edge portion of the cloth is wrapped with tape using the guide member described in claim 1 and claim 2 above. In, sew the tape to the edge of the fabric.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

In FIGS. 1 and 2, reference numeral 10 is a guide member. The guide member 10 is formed such that a tip end cylinder portion 10a is formed in a tapered shape having an internal space having a substantially M-shaped cross section, and a base end cylinder portion 10b. Is formed into a flat tubular shape. The support tool 10c fixed to the side surfaces of the distal end tube section 10a and the proximal end tube section 10b is rotatably connected to the connection tool 10e via the hinge section 10d, and the attachment section of the support tool 10c is attached. A stop screw 10i screwed into the mounting portion 10h of the connecting tool 10e is engaged with an arcuate elongated hole 10g formed in the connecting hole 10f. Further, the arcuate elongated hole 10j formed in the connecting tool 10e is fitted with the arcuate projection 10l formed in the mounting plate 10k and fixed by the set screw 10m. 10e can be rotationally adjusted within a predetermined range with respect to the mounting plate 10k. The mounting plate 10k is slidably mounted on the needle plate 1. Further, a pair of upper and lower claw portions 10n are provided on the distal end tube portion 10a so as to be adjustable forward and backward, and a guide for laterally supporting and guiding the fabric C in a state in which the edge portion is wrapped with the tape T. The tool 10p is provided on the mounting plate 10k so as to be adjustable forward and backward. Then, a guide rod member 10q for guiding the tape T to the base end cylindrical portion 10b is attached to the base end portion of the support tool 10c.

In the sewing machine provided with the edging jig configured as described above, the tape T is formed in the same manner as the conventional tape T, the meandering portion 10r of the guide rod member 10q of the guide member 10, the proximal end cylindrical portion 10b, and the distal end cylinder. The tape T is supported and guided along the portion 10a and the claw portion 10n, and in the process, as shown in FIG. 5, the tape T is bent in four folds, and the needle plate 1 and the presser foot are held therein. The tape T is sewn to the edge of the cloth C by the needle 3 in a state where the edge of the cloth C sandwiched between the two and the cloth is wrapped.

In this case, the tension for pulling the tape T together with the cloth C in the X direction is such that, with the set screw 10 m loosened, the protrusion 10l of the mounting plate 10k is moved along the arc-shaped long hole 10j of the connector 10e. It can be arbitrarily adjusted by moving and rotating the connecting tool 10e in the horizontal direction A with respect to the mounting plate 10k (needle plate 1). That is, the guide member 10 (feeding direction Y of the tape T) is inclined at an acute angle with respect to the feeding direction X of the cloth C (feeding direction X of the cloth C) within the surface of the needle plate 1 (cloth C 1). The closer to (), the tension applied to the tape T decreases. By adjusting the tension applied to the tape T in this way, the finished tape width can be adjusted flexibly corresponding to the tape T of various materials or shades. Further, when the finished tape width is different between the upper and lower parts of the cloth C because the cutting angle of the tape T is not normal, etc., the set screw 10i is attached to the support tool 10c with the set screw 10i loosened. By moving the support tool 10c in the vertical direction B with respect to the coupling tool 10e by moving the support tool 10c along the elongated hole 10g of the section 10f, the distal end tube portion 10a of the guide member 10 (tape surface of the tape T). Adjust the angle between and the surface of needle plate 1 (cloth C). As a result, the tension applied to both edges (upper and lower edges) of the tape T can be adjusted, so that the amount of extension of both edges of the tape T can be adjusted, and the upper and lower finished tape widths of the cloth C can be predetermined. Can be adjusted to the state of.

[0012]

[Effect of device]

 As described above, according to claim 1 of the present invention, the tubular guide member is provided on the needle plate at a predetermined angle with respect to the cloth feeding direction, and the tape is provided along the inside of the guide member. Is a edging jig that guides the cloth, wraps the edge of the cloth with the tape, and sewes a tape to the edge of the cloth, wherein the guide member is rotated within the surface of the needle plate. Since the needle plate is movably adjustable, the guide member is rotated within the surface of the needle plate so that the angle formed by the tape guided along the guide member and the feeding direction of the cloth is made. By adjusting it, the tension applied to the tape can be controlled arbitrarily, and the width of the finished tape can be adjusted, regardless of the difference in tape conditions such as material or color tone, and the desired finished width. Can be easily heldAccording to a second aspect of the present invention, in addition to the structure of the first aspect, a guide member is provided on the needle plate such that the guiding tape surface of the guide member can be tilted with respect to the surface of the needle plate. Therefore, by adjusting the angle between the surface of the tape guided in the guide member and the surface of the needle plate, the tension applied to both edges of the tape drawn from the tip of the guide member can be adjusted. Thus, the amount of elongation at both edges of the tape can be adjusted. Therefore, even if the cutting angle of the tape is not normal, the finished tape width above and below the cloth can be surely made uniform. Further, according to claim 3 of the present invention, a tubular guide member is provided with an edging jig which is provided on the needle plate inclining at a predetermined angle with respect to the cloth feeding direction, and along the inside of the guide member. A sewing machine which guides a tape, wraps the edge of the cloth with the tape, and sewes the tape to the edge of the cloth, wherein the guide member is rotatable and adjustable in a surface of the needle plate. Since the tape surface is provided on the needle plate so that the inclination can be adjusted with respect to the surface of the needle plate, the guide member is used to wrap the edge of the cloth with tape and The tape can be sewn on the edge in a desired state, and a product of good quality can be easily obtained.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view seen from the back side of FIG.

FIG. 3 is a perspective view showing a sewing machine including a conventional edging jig.

FIG. 4 is a perspective view showing a conventional edging jig.

FIG. 5 is an explanatory diagram showing a sewing-up state.

[Explanation of symbols]

 1 Needle plate 10 Guide member C Fabric T Tape X Fabric feed direction

Claims (3)

[Scope of utility model registration request] 1. A tubular guide member is provided on a needle plate inclining at a predetermined angle with respect to the feeding direction of the cloth, and guides the tape along the inside of the guide member, and the tape is used to edge the cloth. A edging jig for wrapping a portion and sewing tape to an edge of a cloth, wherein the guide member is provided on the needle plate so as to be rotationally adjustable within a surface of the needle plate. Jinging jig. 2. The edging jig according to claim 1, wherein the guide member is provided on the needle plate such that the tape surface for guiding the guide member can be adjusted with respect to the surface of the needle plate. 3. A tubular guide member is provided with an edging jig provided on a needle plate inclining at a predetermined angle with respect to the cloth feeding direction, and guides the tape along the inside of the guide member. A sewing machine which wraps the edge of the cloth with the tape and sewes the tape to the edge of the cloth, wherein the guide member is rotatable and adjustable within the surface of the needle plate and the tape surface is the needle plate. A sewing machine provided with a edging jig, which is provided on the needle plate so as to be capable of adjusting the inclination with respect to the surface of the sewing machine.