CN204982302U - Continuous work feed mechanism of sewing machine - Google Patents
Continuous work feed mechanism of sewing machine Download PDFInfo
- Publication number
- CN204982302U CN204982302U CN201520537900.XU CN201520537900U CN204982302U CN 204982302 U CN204982302 U CN 204982302U CN 201520537900 U CN201520537900 U CN 201520537900U CN 204982302 U CN204982302 U CN 204982302U
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- Prior art keywords
- pin
- asynchronous
- synchronous
- feed
- retainer
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- 238000009958 sewing Methods 0.000 title claims abstract description 40
- 230000001360 synchronised effect Effects 0.000 claims abstract description 92
- 239000004744 fabric Substances 0.000 claims abstract description 42
- 239000011435 rock Substances 0.000 claims description 20
- 208000007038 Dens in Dente Diseases 0.000 claims description 6
- GBIHOLCMZGAKNG-UHFFFAOYSA-N flucythrinate Chemical compound C=1C=C(OC(F)F)C=CC=1C(C(C)C)C(=O)OC(C#N)C(C=1)=CC=CC=1OC1=CC=CC=C1 GBIHOLCMZGAKNG-UHFFFAOYSA-N 0.000 abstract 1
- 230000037303 wrinkles Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010417 needlework Methods 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model provides a continuous work feed mechanism of sewing machine, includes the faller, locate the faller top the needle bar and with needle bar assorted presser foot, it has a sewing mouthful to open on the faller, a sewing mouthful department is equipped with the synchronous feed dog of needle, the asynchronous feed dog of needle, the synchronous feed dog of needle is located on the synchronous retainer of a needle, the synchronous retainer of needle is connected with the synchronous feed lifting fork of a needle, and the synchronous feed lifting fork of needle is lifted tooth axis in step with a needle and is connected, the asynchronous feed dog of needle is located on the asynchronous retainer of a needle, the asynchronous retainer of needle is connected with the asynchronous feed lifting fork of a needle, and the asynchronous feed lifting fork of needle is connected with the asynchronous tooth axis of lifting of a needle, the needle is lifted tooth axis in step and is connected through an aggregate unit with the asynchronous tooth axis of lifting of needle, the synchronous retainer of needle, the asynchronous retainer of needle all are connected with a pay -off axle. The utility model discloses a continuous work feed mechanism of sewing machine enables the feed dog when carrying out the work feed to the cloth, the condition of staggered floor can not appear, and the stitch of making up is more straight.
Description
Technical field
The utility model relates to the continuous cloth feeding mechanism of a kind of Sewing machines.
Background technology
Work-feeding mean of sewing machine be use in sewing machine in the important mechanism of cloth being carried out to work feed work, and cloth feeding mechanism has lower cloth feeding mechanism, Needle cloth-feeding mechanism etc.Work feed is carried out in the oscillating motion that lower cloth feeding mechanism is pumped by shank, feed dog does 360 degree, when shank sting cloth enter into sewing mouth time, feed dog is positioned at below needle plate, now feed dog not work feed, after shank superior displacement is above needle plate, now presser feet presses down, together with feed dog, work feed action is carried out to cloth, start interval work feed, this work feed mode, when smooth fabric carries out work feed, the situation of fabric staggered floor easily occurs, and fabric is longer, staggered floor is more, on cloth the stitch of sewing out very not straight.
And Needle cloth-feeding mechanism is still pumped by shank, feed dog does the oscillating motion of 360 degree to carry out work feed, but the feed dog in this mechanism is provided with the pin hole matched with shank, when above feed dog swings to needle plate, shank moves down the saturating cloth of thorn and thrusts pin hole, presser feet pushes down feed dog, shank is work feed together with feed dog, after shank moving disengaging pin hole, feed dog carries out work feed action to lower swing, start interval work feed, although this work feed mode can alleviate the staggered floor degree of smooth fabric in work feed process, but the feed dog amplitude of oscillation is excessive, cloth is made easily to be produced fold by dragging process, and after this fold generation, shank still carries out the sewing of stitch, the fine wrinkle on cloth can be made to get more and more, reduce the quality of cloth of sewing out.
Summary of the invention
The technical problems to be solved in the utility model is to provide the continuous cloth feeding mechanism of a kind of Sewing machines, when it can make feed dog carry out work feed to cloth, there will not be the situation of staggered floor, and cloth also can not be made to produce fine wrinkle, ensure the stitch of sewing out straight.
The technical scheme in the invention for solving the above technical problem is:
The utility model discloses the continuous cloth feeding mechanism of a kind of Sewing machines, the presser feet comprising needle plate, be located at the shank above needle plate and match with shank, needle plate has a sewing mouth, it is characterized in that: described sewing mouth place is provided with the synchronous feed dog of pin, the asynchronous feed dog of pin; The synchronous feed dog of described pin is located on the synchronous retainer of a pin; The synchronous retainer of described pin is connected with the synchronous feed lifting fork of a pin, and the synchronous feed lifting fork of pin is connected with the synchronous feed lifting rock shaft of a pin; The asynchronous feed dog of described pin is located on the asynchronous retainer of a pin; The asynchronous retainer of described pin is connected with the asynchronous feed lifting fork of a pin, and the asynchronous feed lifting fork of pin is connected with the asynchronous feed lifting rock shaft of a pin; The synchronous feed lifting rock shaft of described pin is connected by a linkage with the asynchronous feed lifting rock shaft of pin; The synchronous retainer of described pin, the asynchronous retainer of pin are all connected with a feed spool.
The synchronous feed dog of described pin is provided with a pin hole matched with shank; The synchronous feed dog of described pin is concave shape, and the synchronous feed dog recess of pin forms a groove; The asynchronous feed dog of described pin comprises left tooth, dens in dente, right tooth; Described left tooth, right tooth are positioned at the synchronous feed dog both sides of pin; Described dens in dente is positioned at groove; The synchronous feed dog of described pin, the asynchronous feed dog of pin are all provided with cloth conveying teeth.
Described feed spool is fixedly connected with a retainer seat; The synchronous retainer of described pin is connected with retainer seat by the synchronous retainer pin of pin; The asynchronous retainer of described pin is connected with retainer seat by the asynchronous retainer pin of pin.
The beneficial effects of the utility model are:
Compared with prior art, adopt the continuous cloth feeding mechanism of Sewing machines of the utility model structure to there is the synchronous feed dog of pin and the asynchronous feed dog of pin simultaneously, when the synchronous feed dog of pin upwards swings and is positioned at above needle plate, shank moves down the saturating cloth of thorn and thrusts in pin hole, presser feet pushes down the synchronous feed dog of pin, the synchronous feed dog of pin carries out work feed action together with shank, the asynchronous feed dog of these hour hands is to lower swing, do not carry out work feed, when after the pin hole that shank leaves on the synchronous feed dog of pin, the synchronous feed dog of pin starts to lower swing, and the asynchronous feed dog of pin upwards swings and is positioned at above needle plate, now presser feet pushes down the asynchronous feed dog of pin, start jointly to carry out work feed with it, to be hocketed work feed by the synchronous feed dog of pin and the asynchronous feed dog of pin, slow down the amplitude of oscillation that feed dog produces to the full extent, therefore replace by the synchronous feed dog of pin and the asynchronous feed dog of pin the situation that work feed there will not be smooth fabric staggered floor, and cloth there will not be fine wrinkle, the stitch of sewing out also can be very straight, and the synchronous feed dog of pin and the asynchronous feed dog of pin assume responsibility for half needle gage of a stitch separately, the stitch quality of sewing out carry out work feed far beyond a feed dog after the quality of sewing out, the sound backstitching and send also is reduced in addition when making the needle gage of same length.
Accompanying drawing explanation
Fig. 1 is the structural representation of the continuous cloth feeding mechanism of the utility model Sewing machines;
Fig. 2 is the enlarged drawing in Figure 1A portion.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Refer to Fig. 1, Fig. 2, the utility model provides the utility model to disclose the continuous cloth feeding mechanism of a kind of Sewing machines, the presser feet 3 comprising needle plate 1, be located at the shank 2 above needle plate 1 and match with shank 2, needle plate 1 has a sewing mouth 4, described sewing mouth 4 place is provided with the synchronous feed dog of pin 5, the asynchronous feed dog 6 of pin; The synchronous feed dog of described pin 5 is located on the synchronous retainer 7 of a pin; The synchronous retainer of described pin 7 is connected with the synchronous feed lifting fork 8 of a pin, and the synchronous feed lifting fork of pin 8 is connected with the synchronous feed lifting rock shaft 9 of a pin; The asynchronous feed dog of described pin 6 is located on the asynchronous retainer 10 of a pin; The asynchronous retainer of described pin 10 is connected with the asynchronous feed lifting fork 11 of a pin, and the asynchronous feed lifting fork of pin 11 is connected with the asynchronous feed lifting rock shaft 12 of a pin; The synchronous feed lifting rock shaft of described pin 9 is connected by a linkage 91 with the asynchronous feed lifting rock shaft 12 of pin; The asynchronous retainer 10 of the synchronous retainer of described pin 7, pin is all connected with a feed spool 13.
The synchronous feed dog 5 of described pin is provided with a pin hole 14 matched with shank 2; The synchronous feed dog 5 of described pin is in concave shape, and pin synchronous feed dog 5 recess forms a groove 15; The asynchronous feed dog of described pin 6 comprises left tooth 16, dens in dente 17, right tooth 18; Described left tooth 16, right tooth 18 are positioned at pin synchronous feed dog 5 both sides; Described dens in dente 17 is positioned at groove 15; The asynchronous feed dog 6 of the synchronous feed dog of described pin 5, pin is all provided with cloth conveying teeth 19.
Described feed spool 13 is fixedly connected with a retainer seat 20; The synchronous retainer of described pin 7 is connected with retainer seat 20 by the synchronous retainer pin 21 of pin; The asynchronous retainer of described pin 10 is connected with retainer seat 20 by the asynchronous retainer pin 22 of pin.
Using method of the present utility model is as follows:
When needing to carry out stitch sewing work to cloth, cloth is lain against on needle plate 2, cloth is pushed down by presser feet 3, the synchronous feed dog 5 of pin, cloth conveying teeth 19 on the asynchronous feed dog 6 of pin comes in contact with cloth, now the drive unit of Sewing machines starts to start, feed spool 13 rotates thereupon, shank 2 moves towards pin hole 14 direction on the synchronous feed dog of pin with the needlework connected when initial, due to feed spool 13 being connected to retainer seat 20, and the synchronous retainer of pin 7 is connected with retainer seat 20 by the synchronous retainer pin 21 of pin, the asynchronous retainer of pin 10 is connected with retainer seat 20 by the asynchronous retainer pin 22 of pin, therefore when feed spool 13 rotates, the synchronous retainer 7 of pin, there is the swing of 360 degree in the asynchronous retainer 10 of pin thereupon, and the asynchronous retainer of pin 10 is connected with the asynchronous feed lifting fork 11 of pin, the asynchronous feed lifting fork of pin 11 again feed lifting rock shaft 12 asynchronous with pin is connected, therefore when the asynchronous retainer 10 of pin occurs to swing, the asynchronous feed lifting rock shaft 12 of pin swings thereupon.
And the asynchronous feed lifting rock shaft of pin 12 is connected by linkage 91 feed lifting rock shaft 9 synchronous with pin, the linkage structure of linkage then can change needed for reality, only need synchronous with pin for asynchronous for pin feed lifting rock shaft 12 feed lifting rock shaft 9 to be carried out linking, so when the asynchronous feed lifting rock shaft 12 of pin occurs to swing, the synchronous feed lifting rock shaft 12 of pin swings thereupon, and drive is swung by the synchronous retainer 7 of pin that the synchronous feed lifting fork of pin 8 is coupled thereupon, because although the connected mode between each parts causes the synchronous retainer of pin 7 and the asynchronous retainer 10 of pin all to carry out the swing of 360 degree along counter clockwise direction, but when the synchronous retainer 7 of pin is from when swinging along radian from the bottom up, the asynchronous retainer 10 of pin swings along radian from top to bottom, and when the synchronous retainer 7 of pin swings along radian from top to bottom, the asynchronous retainer of pin 10 swings along radian from the bottom up, the synchronous retainer of above-described pin 7 is that Sewing machines is along swinging track during joint working with the swinging track of the asynchronous retainer 10 of pin, if when Sewing machines need carry out backstitching work, the synchronous retainer of pin 7 is just in time contrary with the above with the swinging track of the asynchronous retainer of pin 10, but walking of shank 2 is constant all the time when no matter still backstitching when the suitable seam of Sewing machines.
Because the synchronous feed dog of pin 5 is located on the synchronous retainer 7 of pin, therefore the swinging track of the synchronous feed dog of pin 5 is consistent with pin synchronous retainer 7 swinging track, and the asynchronous feed dog of pin 6 is located on the asynchronous retainer 10 of pin, therefore the swinging track of the asynchronous feed dog of pin 6 is consistent with the swinging track of the asynchronous retainer of pin 10, when the synchronous feed dog 5 of pin swings from the bottom up, the asynchronous feed dog 6 of pin swings from top to bottom, when the synchronous feed dog 5 of pin upwards swings and is positioned at above needle plate 1, shank 2 moves down the saturating cloth of thorn and thrusts in pin hole 14, presser feet 3 pushes down the synchronous feed dog of pin, the synchronous feed dog 5 of pin carries out work feed action together with shank 2, the asynchronous feed dog 6 of these hour hands is to lower swing, do not carry out work feed, when after the pin hole 14 that shank 2 leaves on the synchronous feed dog of pin, the synchronous feed dog 5 of pin starts to lower swing, and the asynchronous feed dog 6 of pin upwards swings and is positioned at above needle plate 1, now presser feet 3 pushes down the asynchronous feed dog 6 of pin, start jointly to carry out work feed with it, then, above action starts continuous circulation, Sewing machines carries out continuous work feed action, to be hocketed work feed by the synchronous feed dog of pin 5 and the asynchronous feed dog 6 of pin, slow down the amplitude of oscillation that feed dog produces to the full extent, therefore replace by the synchronous feed dog of pin 5 and the asynchronous feed dog of pin 6 situation that work feed there will not be smooth fabric staggered floor, and cloth there will not be fine wrinkle, the stitch of sewing out also can be very straight, and the synchronous feed dog of pin 5 and the asynchronous feed dog 6 of pin assume responsibility for half needle gage of a stitch separately, the stitch quality of sewing out carry out work feed far beyond a feed dog after the quality of sewing out, the sound backstitching and send also is reduced in addition when making the needle gage of same length.
Claims (3)
1. the continuous cloth feeding mechanism of Sewing machines, the presser feet comprising needle plate, be located at the shank above needle plate and match with shank, needle plate has a sewing mouth, it is characterized in that: described sewing mouth place is provided with the synchronous feed dog of pin, the asynchronous feed dog of pin; The synchronous feed dog of described pin is located on the synchronous retainer of a pin; The synchronous retainer of described pin is connected with the synchronous feed lifting fork of a pin, and the synchronous feed lifting fork of pin is connected with the synchronous feed lifting rock shaft of a pin; The asynchronous feed dog of described pin is located on the asynchronous retainer of a pin; The asynchronous retainer of described pin is connected with the asynchronous feed lifting fork of a pin, and the asynchronous feed lifting fork of pin is connected with the asynchronous feed lifting rock shaft of a pin; The synchronous feed lifting rock shaft of described pin is connected by a linkage with the asynchronous feed lifting rock shaft of pin; The synchronous retainer of described pin, the asynchronous retainer of pin are all connected with a feed spool.
2. the continuous cloth feeding mechanism of a kind of Sewing machines according to claim 1, is characterized in that: the synchronous feed dog of described pin is provided with a pin hole matched with shank; The synchronous feed dog of described pin is concave shape, and the synchronous feed dog recess of pin forms a groove; The asynchronous feed dog of described pin comprises left tooth, dens in dente, right tooth; Described left tooth, right tooth are positioned at the synchronous feed dog both sides of pin; Described dens in dente is positioned at groove; The synchronous feed dog of described pin, the asynchronous feed dog of pin are all provided with cloth conveying teeth.
3. the continuous cloth feeding mechanism of a kind of Sewing machines according to claim 1, is characterized in that: described feed spool is fixedly connected with a retainer seat; The synchronous retainer of described pin is connected with retainer seat by the synchronous retainer pin of pin; The asynchronous retainer of described pin is connected with retainer seat by the asynchronous retainer pin of pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520537900.XU CN204982302U (en) | 2015-07-23 | 2015-07-23 | Continuous work feed mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520537900.XU CN204982302U (en) | 2015-07-23 | 2015-07-23 | Continuous work feed mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204982302U true CN204982302U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520537900.XU Active CN204982302U (en) | 2015-07-23 | 2015-07-23 | Continuous work feed mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204982302U (en) |
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2015
- 2015-07-23 CN CN201520537900.XU patent/CN204982302U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160720 Address after: Taizhou City, Zhejiang province 318010 Jiaojiang XiaChen Street Bridge Wangcun No. 166 Patentee after: Qiu Miaofa Patentee after: Zhang Liyang Address before: Yang Cun Jia Zhi Jiaojiang District of Taizhou City, Zhejiang province 318013 Street Patentee before: TAIZHOU JIAOJIANG YATO SEWING MACHINE CO., LTD. |