CN211689464U

CN211689464U - Presser foot edge fixing device of trousers head machine

Info

Publication number: CN211689464U
Application number: CN202020078845.3U
Authority: CN
Inventors: 卢汉; 江华娣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-16
Anticipated expiration: 2030-01-14

Abstract

A presser foot edge fixing device of a underpants vehicle comprises a presser foot rod fixing frame, a pair of presser foot movable plates, a movable plate cover plate, a wane and a pair of bending presser foot bottom plates; the presser foot bottom plate is provided with at least one pinhole, and a gear positioning strip with a guide boss is arranged on the surface of the presser foot bottom plate facing the sewing machine table; one side of the presser foot bottom plate close to the outside is provided with a horizontal chute in which the guide boss can transversely slide after falling; the guide boss is provided with a screw hole; the gear positioning strip is screwed and fixed by screws which are screwed into the screw holes from the upper surface of the presser foot soleplate. The utility model discloses an adjustment convenience and swift of rational in infrastructure, bead width, the reliability is high moreover, the fault rate is low.

Description

Presser foot edge fixing device of trousers head machine

Technical Field

The utility model relates to a presser foot edge fixing device used on a trouser top vehicle of a sewing machine.

Background

The jeans wear is produced through the process of pulling underpants, which includes fitting one special hemming fixture, pull tube, onto the underpants lathe, and sewing one or several pieces of fabric through the special hemming fixture and under the presser foot of the underpants lathe. Because there is a distance between slide and the presser foot, because the cloth of production clothing has variety and variability, lead to the cloth to go out the slide and have some to walk the position before entering into the presser foot, different cloth, different gestures, different cloth texture and position make the size of walking the position different, so can appear technology, bead edge variation in size (or wide or narrow) after sewing out to lead to the defective products, cause rework, manufacturing cost grow, product quality is not high. However, it is important for jeans to have a uniform cuff width.

In addition, most of the pants carts are provided with a plurality of needle positions (distances between needles), so that one presser foot needs to face different requirements of a plurality of needle positions, and in addition, the process itself needs to adjust the width of the seam allowance due to the fact that jeans of different styles have different seam allowance width requirements, so that one pants cart often needs to adjust the seam allowance width, and the seam allowance width can be adjusted by technical personnel with high professional skills in a long time, so that the labor intensity of workers is high, the adjustment is complex and tedious, and the effect is unstable.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a presser foot edge fixing device of a pants machine, which has the advantages of reasonable structure, convenient and rapid adjustment of seam allowance width, high reliability and low failure rate.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a presser foot edge fixing device of a underpants sewing machine comprises a presser foot rod fixing frame, a pair of presser foot movable plates arranged in a pair of external opening type vertical chutes of the presser foot rod fixing frame, a movable plate cover plate covering the outside of the vertical chute of the presser foot rod fixing frame, a warping plate connected with the middle part of the pair of presser foot movable plates to drive the pair of presser foot movable plates to alternatively lift and slide, and a pair of bending type presser foot bottom plates respectively connected with the lower ends of the pair of presser foot movable plates; the presser foot bottom plate is provided with at least one pinhole, and a gear positioning strip with a guide boss is arranged on the surface of the presser foot bottom plate facing the sewing machine table; one side of the presser foot bottom plate close to the outside is provided with a horizontal chute in which the guide boss can transversely slide after falling; the guide boss is provided with a screw hole; the gear positioning strip is screwed and fixed by screws which are screwed into the screw holes from the upper surface of the presser foot soleplate.

In an improved scheme of the presser foot edge fixing device of the waistband sewing machine, the gear positioning strip is bent, and the bending angle of the gear positioning strip is consistent with that of the presser foot bottom plate.

In the improvement scheme of the presser foot edge fixing device of the waistband sewing machine, a gasket is sleeved on the screw.

Compared with the prior art, the utility model has the advantages that: because the presser foot bottom plate is provided with a gear positioning strip with a guide boss on the surface facing a sewing machine table, and a horizontal sliding groove for the guide boss to transversely slide in the guide boss after falling is formed in one side of the presser foot bottom plate close to the outer side of the presser foot part, in addition, the gear positioning strip is screwed and fixed by a screw screwed into the screw hole from the upper surface of the presser foot part of the presser foot bottom plate, so that different seam allowance widths can be randomly adjusted only by unscrewing the screw and adjusting the distance between the inner side edge of the gear positioning strip and the needle hole, and once the seam allowance width is adjusted, the seam allowance width is not easy to change; in addition, before different fabrics, surface fabrics with different textures, different hardness or different elasticity enter the presser foot, the gear positioning strip is used for correcting and standardizing, so that the seam of the trousers head is uniform, the requirement of product quality is met, and the rework probability is reduced; meanwhile, keep off the position location strip inboard side to the distance adjustment between the pinhole very convenient, swift, even non-professional personage also can master the adjustment fast and use, consequently, the utility model discloses an adjustment convenience and swift of rational in infrastructure, seam allowance width, the reliability is high moreover, the fault rate is low.

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

[ description of the drawings ]

Fig. 1 is a first schematic perspective view of an embodiment of the present invention;

fig. 2 is a second schematic perspective view of the embodiment of the present invention;

fig. 3 is a first assembly diagram of the embodiment of the present invention;

fig. 4 is a second assembly diagram of the embodiment of the present invention.

[ detailed description ] embodiments

A presser foot edge fixing device of a underpants sewing machine is shown in figures 1 to 4 and comprises a presser foot rod fixing frame 1, a pair of presser foot movable plates 2 arranged in a pair of external opening type vertical chutes 11 of the presser foot rod fixing frame 1, a movable plate cover plate 3 covering the outside of the vertical chute 11 of the presser foot rod fixing frame 1, a wane 4 connected with the middle parts of the pair of presser foot movable plates 2 to drive the pair of presser foot movable plates 2 to alternatively lift and slide, and a pair of bending type presser foot bottom plates 5 respectively connected with the lower ends of the pair of presser foot movable plates 2; at least one pinhole 51 is arranged on the presser foot bottom plate 5. When the wane 4 ceaselessly swings and drives this pair of presser foot fly leaf 2 and go up and down in turn and slide, just can drive this pair of presser foot bottom plate 5 lifting in turn, above-mentioned structure and theory of operation are unanimous with the presser foot fixed edge device on sewing machine's the underpants car at present, and the no longer detailed here, the difference is: a gear positioning strip 6 with a guide boss 61 is arranged on the surface of the presser foot bottom plate 5 facing the sewing machine table; the outer side of the presser foot bottom plate 5 is provided with a horizontal chute 52 in which the guide boss 61 can transversely slide after falling; the guide boss 61 is provided with a screw hole 62; the gear positioning strip 6 is screwed and fixed by a screw 7 screwed into the screw hole 62 from the upper surface of the presser foot bottom plate 5.

After the screw 7 is unscrewed, the gear positioning strip 6 can slide along the horizontal sliding groove 52 to adjust the distance from the inner side edge of the gear positioning strip 6 to the needle hole 51, so that the width of the seam allowance is adjusted, and the screw 7 is screwed after the adjustment is completed.

Such as: when a new style garment enters a underpants pulling process, if the left seam allowance of the pulled underpants is too large, the screw of the left gear positioning strip is unscrewed, the left positioning strip is slightly moved rightwards along the horizontal sliding groove a little, the screw is locked, then the sizes of the left seam allowance and the right seam allowance are tested, and the garment can be used when the qualified requirements are met.

For another example, if the left seam allowance of the pulled underpants is too small, the screw of the left gear positioning strip is loosened, the gear positioning strip is moved a little to the left, the screw is locked, and then the size of the left seam allowance and the right seam allowance is tested, and the underpants can be used when the qualification requirements are met. The left and right sides are defined from the perspective of the operator of the sewing machine.

From the above, it can be seen that: 1. different seam allowance widths can be adjusted at will only by loosening the screw and adjusting the distance between the inner side edge of the gear positioning strip and the needle hole, and once the seam allowance widths are adjusted, the seam allowance widths are not easy to change; 2. before different fabrics, surface fabrics with different textures, different hardness or different elasticity enter the presser foot, the gear positioning strip is used for correcting and standardizing, so that the seam of the sewn underpants is uniform, the requirement of product quality is met, and the rework probability is reduced; 3. keep off the position location strip inboard side to the distance adjustment between the pinhole very convenient, swift, even non-professional also can master the adjustment fast and use, consequently, the utility model discloses a structure is more reasonable, and the reliability is high, and the fault rate is low.

In this embodiment, the gear positioning strip 6 is bent, and the bending angle of the gear positioning strip is consistent with that of the presser foot bottom plate 5, so that the sliding of the gear positioning strip can be more stable and reliable, and the surface cloth can be better corrected and standardized before entering the presser foot.

Preferably, a washer 8 is sleeved on the screw 7 to more firmly tighten the gear positioning strip 6.

In summary, the preferred embodiments of the present invention are not intended to limit the scope of the present invention, and all equivalent changes and modifications made according to the content of the claims of the present invention should belong to the technical scope of the present invention.

Claims

1. A presser foot edge fixing device of a underpants sewing machine comprises a presser foot rod fixing frame, a pair of presser foot movable plates arranged in a pair of external opening type vertical chutes of the presser foot rod fixing frame, a movable plate cover plate covering the outside of the vertical chute of the presser foot rod fixing frame, a warping plate connected with the middle part of the pair of presser foot movable plates to drive the pair of presser foot movable plates to alternatively lift and slide, and a pair of bending type presser foot bottom plates respectively connected with the lower ends of the pair of presser foot movable plates; the presser foot bottom plate is provided with at least one pinhole, and is characterized in that: a gear positioning strip with a guide boss is arranged on the surface of the presser foot bottom plate facing the sewing machine table; one side of the presser foot bottom plate close to the outside is provided with a horizontal chute in which the guide boss can transversely slide after falling; the guide boss is provided with a screw hole; the gear positioning strip is screwed and fixed by screws which are screwed into the screw holes from the upper surface of the presser foot soleplate.

2. The presser foot deckle device for a pant machine according to claim 1, wherein: the gear positioning strip is bent, and the bending angle of the gear positioning strip is consistent with that of the presser foot bottom plate.

3. A presser foot deckle device for a pant machine according to claim 1 or 2, characterized in that: and a gasket is sleeved on the screw.