CN213061281U - Cloth feeding structure for sewing elastic jean cloth - Google Patents
Cloth feeding structure for sewing elastic jean cloth Download PDFInfo
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- CN213061281U CN213061281U CN202021470590.1U CN202021470590U CN213061281U CN 213061281 U CN213061281 U CN 213061281U CN 202021470590 U CN202021470590 U CN 202021470590U CN 213061281 U CN213061281 U CN 213061281U
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- tooth
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- 239000004744 fabric Substances 0.000 title claims abstract description 86
- 238000009958 sewing Methods 0.000 title claims abstract description 44
- 238000009940 knitting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000004177 elastic tissue Anatomy 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
A cloth feeding structure for sewing elastic jean cloth is arranged on a sewing machine arm of a four-needle six-thread sewing machine and comprises a front cloth feeding tooth and a rear cloth feeding tooth. The front cloth feeding tooth is provided with a rear tooth table arranged on a front cloth feeding tooth rod and a first row of teeth arranged on the front tooth table in a plurality of parallel modes, the rear cloth feeding tooth is provided with a rear tooth table arranged on a rear cloth feeding tooth rod and a second row of teeth arranged on the rear tooth table in a plurality of parallel modes, and the total length of the rear cloth feeding tooth facing the sewing machine arm is longer than the total length of the front cloth feeding tooth facing the sewing machine arm. The front cloth feeding tooth and the rear cloth feeding tooth are arranged in a front-back mode, so that the stroke distance between the rear cloth feeding tooth and the front cloth feeding tooth is increased compared with the prior art, a four-needle six-thread sewing machine with the cloth feeding structure can stretch an elastic jean cloth specifically during sewing, and the occurrence of wrong sewing is avoided.
Description
Technical Field
The utility model relates to a cloth feeding structure of a four-needle six-thread sewing machine, in particular to a cloth feeding structure for sewing elastic jean cloth.
Background
With the development of textile technology, the variety of cloth to be faced by sewing machines is more than ever. Among them, for denim, the elasticity of the former denim is generally poor, and in order to increase the comfort level of wearing, the denim is added with elastic fiber during weaving to increase the elasticity, and this kind of cloth is called elastic denim.
However, although the feeding teeth of the prior art four-needle six-thread sewing machine can be distinguished into the front feeding teeth and the rear feeding teeth, the front feeding teeth are partially assembled on the rear feeding teeth rod, that is, the front feeding teeth and the rear feeding teeth of the prior art are arranged in a front-rear manner, so that the stroke interval of the front feeding teeth and the rear feeding teeth cannot be changed or a large stroke interval is generated, so that the elastic jean cloth is difficult to be stretched to keep flat during feeding, and sewing errors are generated.
SUMMERY OF THE UTILITY MODEL
The main purpose of the utility model is to solve the problem that the stroke distance between the feeding teeth in the prior art is not in line with the requirement of sewing elastic jean cloth.
In order to achieve the above object, the present invention provides a cloth feeding structure for sewing elastic jean cloth, which is disposed on a sewing machine arm of a four-needle six-thread sewing machine, and comprises a front cloth feeding tooth and a rear cloth feeding tooth. The front cloth feeding tooth is provided with a front tooth table arranged on a front cloth feeding tooth rod and a first row of teeth arranged on the front tooth table in a plurality of parallel modes, the rear cloth feeding tooth is provided with a rear tooth table arranged on a rear cloth feeding tooth rod and a second row of teeth arranged on the rear tooth table in a plurality of parallel modes, and the total length of the rear cloth feeding tooth facing the sewing machine arm is longer than the total length of the front cloth feeding tooth facing the sewing machine arm.
In one embodiment, two of the first rows of teeth are located on two sides of the rear cloth feeding teeth, one of the first rows of teeth is higher than the other first rows of teeth, each of the second rows of teeth is located on an extension line defined by one of the first rows of teeth, one of the second rows of teeth corresponding to a highest one of the first rows of teeth is higher than the other second rows of teeth, the cloth feeding structure includes a needle plate disposed on the sewing machine arm and corresponding to the front cloth feeding teeth and the rear cloth feeding teeth, and the needle plate forms a plurality of through holes for the first rows of teeth and the second rows of teeth to move and a plurality of plateau corresponding to the highest one of the first rows of teeth and the second rows of teeth.
In one embodiment, the plateau forms a notch corresponding to a highest one of the second rows of teeth and communicating with one of the through holes, and the highest one of the second rows of teeth includes a slope corresponding to one of the notches.
In one embodiment, each of the second row of teeth, which is not disposed on both sides of the second feeding tooth, has a non-toothed section facing the second feeding tooth and away from one end of the second feeding tooth rod, and a toothed section connected to the non-toothed section, the non-toothed section is a curved surface, a low point of the curved surface is connected to the rear tooth stage, and a high point of the curved surface is connected to the toothed section.
In one embodiment, the highest of the first rows of teeth is formed by a first tooth member mounted on the front tooth table.
In one embodiment, the highest of the second row of teeth is formed by a second tooth member mounted on the rear tooth table.
In one embodiment, the front gear stage has a tooth-receiving portion and an assembling portion extending from the tooth-receiving portion and deviating from the center of the tooth-receiving portion to be assembled with the front feeding rack bar.
Through the implementation of the present creation, compared with the prior art, the method has the following characteristics: the front cloth feeding teeth and the rear cloth feeding teeth are arranged in a front-back mode, the left-right arrangement of the cloth feeding teeth in the prior art is avoided, a large stroke interval can be generated, and the four-needle six-thread sewing machine with the cloth feeding structure can stretch an elastic jean cloth in a sewing process to avoid wrong sewing.
Drawings
FIG. 1 is a schematic diagram of an implementation structure of an embodiment of the present disclosure.
FIG. 2 is an exploded view of an embodiment of the present invention.
FIG. 3 is a schematic top view of a partial implementation of an embodiment of the present disclosure.
FIG. 4 is a schematic diagram of a side view of a partial implementation of an embodiment of the present disclosure.
Fig. 5 is a schematic view of an orthographic view of a rear feed tooth according to an embodiment of the present invention.
Fig. 6 is a schematic front feeding tooth elevational structure according to an embodiment of the present invention.
Wherein 100, the cloth feeding structure; 10, front cloth feeding teeth; 101, a front tooth table; 102, a first row of teeth; 103, a first tooth; 104, a tooth bearing part; 105, an assembly section; 106. 107, front tooth stroke; 11, rear cloth feeding teeth; 111, a rear tooth table; 112, a second row of teeth; 113, a bevel; 114, a toothless segment; 115, a toothed segment; 116, a second tooth; 117. 118, rear tooth stroke; 12, a needle plate; 121, perforating; 122, a pinhole; 123, high platform; 124, a gap; 21, a front cloth feeding toothed bar; 22, a rear cloth feeding toothed bar; 23, needle cutting; 231, knitting needles; 24, a sewing machine arm.
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
Detailed Description
The detailed description and technical contents of the present invention will now be described with reference to the drawings.
Referring to fig. 1 to 4, the present inventor provides a cloth feeding structure 100 for sewing an elastic denim fabric, wherein the cloth feeding structure 100 is provided on a sewing machine arm 24 of a four-needle six-thread sewing machine (not shown), and the present inventor defines the former and latter in the manner that an operator operates the four-needle six-thread sewing machine. The feeding structure 100 includes a front feeding tooth 10 and a rear feeding tooth 11. The front cloth feeding tooth 10 is arranged on a front cloth feeding tooth bar 21 of the four-needle six-thread sewing machine, the front cloth feeding tooth 10 is provided with a front tooth table 101 arranged on the front cloth feeding tooth bar 21 and a plurality of first rows of teeth 102 arranged on the front tooth table 101 in parallel, each first row of teeth 102 is provided with a plurality of arranged teeth, and the length of the first rows of teeth 102 can be adjusted according to implementation requirements. The rear cloth feeding tooth 11 is disposed on a rear cloth feeding tooth bar 22 of the four-needle six-thread sewing machine, the rear cloth feeding tooth 11 has a rear tooth table 111 disposed on the rear cloth feeding tooth bar 22 and a plurality of second rows of teeth 112 disposed in parallel on the rear tooth table 111, each of the second rows of teeth 112 is also provided with a plurality of teeth arranged in a row, the length of the second rows of teeth 112 can be adjusted according to implementation requirements, and each of the second rows of teeth 112 is respectively located on an extension line defined by one of the first rows of teeth 102. Referring to fig. 3 and 4 again, the overall length of the rear feed dog 11 facing the sewing machine arm 24 is longer than the overall length of the front feed dog 10 facing the sewing machine arm 24. Accordingly, the front cloth feeding tooth 10 and the rear cloth feeding tooth 11 are disposed opposite to each other, and a front tooth stroke generated during the implementation of the front cloth feeding tooth 10 can be adjusted in a wide range according to implementation requirements due to the structural design of the front cloth feeding tooth, as indicated by 106 and 107 in fig. 4. On the other hand, a rear tooth stroke generated when the rear feed tooth 11 is implemented may also be adjusted according to implementation requirements, as indicated by 117 and 118 in fig. 4. Moreover, although the adjusting range of the rear tooth stroke (117, 118) is not as large as the range of the front tooth stroke (106, 107), after the two phases are matched, the stroke distance between the front feeding tooth 10 and the rear feeding tooth 11 is enlarged compared with the prior art, so that when the four-needle six-thread sewing machine sews an elastic jean fabric, the elastic jean fabric can be stretched specifically, and the occurrence of wrong sewing is avoided.
Referring to fig. 1 to 2 again, in addition to the above, the present invention further includes a needle plate 12, the function of the needle plate 12 is the same as that of the prior art, the needle plate 12 is disposed on the four-needle six-thread sewing machine and corresponds to the front feeding teeth 10 and the rear feeding teeth 11, and the needle plate 12 is disposed facing a needle 23 of the four-needle six-thread sewing machine. Specifically, the needle plate 12 is provided on the sewing machine arm 24. The needle plate 12 forms a plurality of through holes 121 and a plurality of needle holes 122, wherein the through holes 121 respectively provide the first row of teeth 102 and the second row of teeth 112 for movement therein, as shown in fig. 1. Moreover, the number of the needle holes 122 corresponds to the number of the plurality of knitting needles 231 disposed on the needle clamp 23, and each needle hole 122 is disposed corresponding to only one of the knitting needles 231. In one embodiment, two of the first rows of teeth 102 are located on two sides of the front feed tooth 10, and one of the first rows of teeth 102 is higher than the other first rows of teeth 102, as shown in fig. 2. Referring to fig. 5 and 6, on the other hand, the height of one of the second rows of teeth 112 corresponding to the highest one of the first rows of teeth 102 is higher than the heights of the other second rows of teeth 112. The needle plate 12 is further formed with a raised platform 123 corresponding to the highest one of the first row of teeth 102 and the second row of teeth 112, the raised platform 123 is a relatively high position of a side surface of the needle plate 12 facing the needle rail 23, and the position of the raised platform 123 on the needle plate 12 is corresponding to the highest one of the first row of teeth 102 and the second row of teeth 112, further, one of the through holes 121 is located on the raised platform 123. Therefore, the needle plate 12 provided by the high platform 123 can support the roll joint of the elastic denim fabric.
Referring to fig. 1, 2 and 6, in one embodiment, the raised platform 123 is formed with a notch 124 corresponding to a highest one of the second rows of teeth 112 and communicating with one of the through holes 121, and the highest one of the second rows of teeth 112 includes an inclined surface 113 corresponding to one of the notches 124. Referring to fig. 2 and 3, in an embodiment, each of the second row of teeth 112 not disposed on both sides of the rear feeding tooth 11 has a non-tooth section 114 facing the rear feeding tooth 11 and away from the rear feeding tooth bar 22, and a tooth section 115 connected to the non-tooth section 114, the non-tooth section 114 is a curved surface, a low point of the curved surface is connected to the rear tooth table 111, and a high point is connected to the tooth section 115.
Referring back to fig. 2, the highest one of the first row of teeth 102 is formed by a first tooth member 103 mounted on the front tooth table 101. In addition, the highest of the second row of teeth 112 is formed by a second tooth member 116 mounted on the rear tooth table 111. Referring to fig. 3 and 5, in an embodiment, the front gear 101 has a tooth-receiving portion 104 and an assembling portion 105 extending from the tooth-receiving portion 104 and deviating from the center of the tooth-receiving portion 104 to be assembled with the front feeding cloth rack 21.
Although the present invention has been described in detail, it should be understood that the above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention.
Claims (10)
1. The utility model provides a work feed structure for sewing elasticity denim, locates a sewing machine arm of six line sewing machines of four needles, its characterized in that, this work feed structure contains:
the front cloth feeding tooth is provided with a front tooth table arranged on a front cloth feeding tooth rod and a plurality of first rows of teeth arranged on the front tooth table in parallel; and
a back feed tooth, has one and locates the back toothholder on a back feed tooth pole and the second row tooth that the complex number parallel was located on this back toothholder, and this back feed tooth is longer than this preceding feed tooth is to the total length of this sewing machine arm.
2. A feed structure for stitched elastic denim fabric according to claim 1, characterized in that: two of the first rows of teeth are positioned at two sides of the front cloth feeding teeth, one of the first rows of teeth is higher than the other first rows of teeth, each second row of teeth is respectively positioned on an extension line defined by one of the first rows of teeth, one of the second rows of teeth, which is arranged corresponding to the highest one of the first rows of teeth, is higher than the other second rows of teeth, the cloth feeding structure comprises a needle plate which is arranged on the sewing machine arm and corresponds to the front cloth feeding teeth and the rear cloth feeding teeth, and the needle plate is formed into a plurality of through holes for the first rows of teeth and the second rows of teeth to move and a high platform which is arranged corresponding to the highest one of the first rows of teeth and the second rows of teeth.
3. A feed structure for stitched elastic denim fabric according to claim 2, characterized in that: the high platform is provided with a notch corresponding to the highest one of the second rows of teeth and communicated with one of the through holes, and the highest one of the second rows of teeth comprises an inclined surface corresponding to one of the notches.
4. Feed structure for stitched elastic denim according to any of claims 1-3, characterized in that: each of the second rows of teeth, which is not arranged on two sides of the rear cloth feeding tooth, is provided with a toothless section facing one end of the rear cloth feeding tooth, which is far away from the rear cloth feeding tooth rod, and a toothed section connected with the toothless section, wherein the toothless section is a curved surface, the lower point of the curved surface is connected with the rear tooth table, and the higher point is connected with the toothed section.
5. Feed structure for stitched elastic denim according to claim 4, characterized in that: the highest of the first row of teeth is formed by a first tooth member mounted on the front tooth table.
6. A feed structure for stitched elastic denim fabric according to claim 5, characterized in that: the highest of the second row of teeth is formed by a second tooth member mounted on the rear tooth table.
7. A feed structure for stitched elastic denim fabric according to claim 6, characterized in that: the front gear table is provided with a tooth bearing part and an assembling part which extends from the tooth bearing part and deviates from the center of the tooth bearing part so as to be assembled with the front cloth feeding rack rod.
8. Feed structure for stitched elastic denim according to any of claims 1-3, characterized in that: the highest of the first row of teeth is formed by a first tooth member mounted on the front tooth table.
9. A feed structure for stitched elastic denim fabric according to claim 8, characterized in that: the highest of the second row of teeth is formed by a second tooth member mounted on the rear tooth table.
10. Feed structure for stitched elastic denim according to any of claims 1-3, characterized in that: the front gear table is provided with a tooth bearing part and an assembling part which extends from the tooth bearing part and deviates from the center of the tooth bearing part so as to be assembled with the front cloth feeding rack rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021470590.1U CN213061281U (en) | 2020-07-23 | 2020-07-23 | Cloth feeding structure for sewing elastic jean cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021470590.1U CN213061281U (en) | 2020-07-23 | 2020-07-23 | Cloth feeding structure for sewing elastic jean cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213061281U true CN213061281U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021470590.1U Active CN213061281U (en) | 2020-07-23 | 2020-07-23 | Cloth feeding structure for sewing elastic jean cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213061281U (en) |
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2020
- 2020-07-23 CN CN202021470590.1U patent/CN213061281U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fabric feeding structure for sewing elastic denim fabric Effective date of registration: 20231121 Granted publication date: 20210427 Pledgee: Zhejiang Hecheng Rural Commercial Bank Co.,Ltd. Pledgor: XINGRUI SEWING MACHINE (JIAXING) Co.,Ltd. Registration number: Y2023980066651 |