CN105088548A - Sewing machine feeding mechanism - Google Patents
Sewing machine feeding mechanism Download PDFInfo
- Publication number
- CN105088548A CN105088548A CN201510640587.7A CN201510640587A CN105088548A CN 105088548 A CN105088548 A CN 105088548A CN 201510640587 A CN201510640587 A CN 201510640587A CN 105088548 A CN105088548 A CN 105088548A
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- Prior art keywords
- feed
- feed lifting
- tooth
- rock shaft
- eccentric
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Abstract
The invention belongs to the technical field of sewing machines, in particular to a sewing machine feeding mechanism which includes a feed lifting rock shaft and a feed shaft, wherein a feed lifting eccentric gear is arranged on the feed lifting rock shaft; the feed lifting eccentric gear and the feed lifting rock shaft are arranged in an eccentric manner; a connecting rod is eccentrically arranged on the feed lifting eccentric gear; a feed arm is mounted on the feed shaft; the connecting rod and the feed arm are connected through a pin and a feed brace; the feed lifting eccentric gear can rotationally adjust the feed lifting eccentric magnitude around the feed lifting rock shaft. According to the invention, a simple adjusting manner is adopted to adjust the feed lifting height of the sewing machine, so as to adapt to the sewing of fabric with different thickness, can replace the conventional manner that parts are required to be replaced to change the feed lifting height; in addition, the simple adjusting manner is continuous stepless adjustment and has the advantage that the adjustable range is large.
Description
Technical field:
The invention belongs to sewing machine technique field, refer in particular to a kind of sewing machine feeding mechanism.
Background technology:
Sewing machine feeding mechanism needs the cloth of corresponding different-thickness to arrange different to lift tooth height in sewing, and grenadine needs low to lift tooth height to stitch out stitching attractive in appearance, and thick material needs high to lift tooth height to send cloth.
The special eccentric mode of tooth of lifting using different size respectively at thick material type and thin material type is adopted to solve thickness material and need different problem of lifting tooth height at present in our sewing machine feeding mechanism.Have poor universality, arrange the thick material of stitching sewing machine or thin material specially, use cost is high.
Summary of the invention:
The object of this invention is to provide a kind of needs lifts the eccentric mode of tooth solve the different sewing machine feeding mechanism lifting the problem of tooth height of thickness material needs by changing.
The present invention is achieved in that
A kind of sewing machine feeding mechanism, include feed lifting rock shaft and feed spool, feed lifting rock shaft is provided with and lifts tooth eccentric wheel, lift tooth eccentric wheel and feed lifting rock shaft eccentric setting, eccentric setting gone back by tooth eccentric wheel there is connecting rod lifting, feed spool is equipped with feeding arm, connecting rod is connected with retainer respectively by pin with feeding arm, described in lift tooth eccentric wheel and can rotate adjustment around feed lifting rock shaft and lift tooth offset.
In technique scheme, described feed lifting rock shaft includes feed lifting rock shaft main body, is arranged on the shaft part of feed lifting rock shaft body front end, shaft part and feed lifting rock shaft main body eccentric setting; Described tooth eccentric wheel of lifting is that the one end of lifting tooth eccentric wheel main body is provided with installing hole, the other end is provided with eccentric shaft part, installing hole is connected with the shaft part on feed lifting rock shaft, eccentric shaft part and installing hole eccentric setting, eccentric shaft part is connected with connecting rod, what the centre-to-centre spacing between described eccentric shaft part and feed lifting rock shaft main body was synthesis lifts tooth offset, lift tooth eccentric wheel to rotate around shaft part, utilize this rotation during adjustment to change and lift tooth offset.
In technique scheme, described installing hole with lift tooth eccentric wheel main body axis conllinear.
In technique scheme, described installing hole and eccentric shaft part are connected.
In technique scheme, described shaft part with lift tooth eccentric wheel and fixed by the radial screw arranged.
In technique scheme, described shaft part and feed lifting rock shaft main body are integral type structure or split-type structural.
In technique scheme, described eccentric shaft part is integral type structure or split-type structural with lifting tooth eccentric wheel main body.
In technique scheme, described lifting in tooth eccentric wheel main body is provided with the mark being applicable to thick material offset and the mark being applicable to thin material offset, feed lifting rock shaft main body is provided with reference mark, reference mark coordinate with the mark being applicable to thick material offset and the mark that is applicable to thin material offset respectively regulate needed for lift tooth offset.
The advantage that the present invention gives prominence to compared to existing technology is:
1, the present invention is by simple and easy regulative mode adjustment sewing machine feed lifting height, to adapt to the sewing of different fabric thickness, replace originally needing renewal part to change the mode of lifting tooth height, and this simple and easy regulative mode is continuous electrodeless adjustment, has the advantage that adjustable range is large;
2, this practicality is newly easy to use, compact conformation, improves operating efficiency;
3, the new shaft part increasing by one and feed lifting rock shaft main body eccentric setting on feed lifting rock shaft of this practicality, with lift the eccentric bias of tooth and combine, two offset array outputs target eccentricity value, this eccentricity value replaces lifting the eccentric eccentricity value of tooth in original mechanism, two limits in triangle are adopted to adjust the principle that angle adjusts Article 3 edge lengths, the adjustment of realize target eccentricity value size, the adjustment of tooth height value is lifted in final realization.
4, the thick material of the present invention, the conversion of thin material conveniently, are carried out according to mark.
Accompanying drawing illustrates:
Fig. 1 is the schematic diagram that the present invention is arranged on casing;
Fig. 2 is schematic diagram of the present invention;
Fig. 3 is feed lifting rock shaft schematic diagram of the present invention;
Fig. 4 is the principle sketch of Tai Ya mechanism of the present invention.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, see Fig. 1-4:
A kind of sewing machine feeding mechanism, include feed lifting rock shaft 1 and feed spool 2, feed lifting rock shaft 1 and feed spool 2 are arranged on base plate 16, feed lifting rock shaft 1 is provided with and lifts tooth eccentric wheel, lift tooth eccentric wheel and feed lifting rock shaft 1 eccentric setting, eccentric setting gone back by tooth eccentric wheel have connecting rod 9 lifting, feed spool 2 is equipped with feeding arm 10, connecting rod 9 is connected with retainer 11 respectively by pin 12,13 with feeding arm 10, described in lift tooth eccentric wheel and can rotate adjustment around feed lifting rock shaft 1 and lift tooth offset.
Described feed lifting rock shaft 1 includes feed lifting rock shaft main body 4, is arranged on the shaft part 5 of feed lifting rock shaft main body 4 front end, shaft part 5 and feed lifting rock shaft main body 4 eccentric setting; Described tooth eccentric wheel 3 of lifting is that the one end of lifting tooth eccentric wheel main body 6 is provided with installing hole 7, the other end is provided with eccentric shaft part 8, installing hole 7 is connected with the shaft part 5 on feed lifting rock shaft 1, eccentric shaft part 8 and installing hole 7 eccentric setting, eccentric shaft part 8 is connected with connecting rod 9, retainer 11 is equipped with feeding tooth 14, needle plate 15 is contained on base plate 16, and we exceed the height of plane on needle plate 15 as lifting tooth height in feeding tooth 14 moves.Sewing machines work time, feed lifting rock shaft 1 rotates, and lifts tooth eccentric wheel 3 around feed lifting rock shaft main body 4 center rotating, make connecting rod 9 move up and down drive retainer 11 move up and down realization lift agomphiasis do; Feed spool 2 reciprocating rotation drives the reciprocating motion of feeding arm 10 wobble drive retainer 11 to realize feeding action; What the centre-to-centre spacing between described eccentric shaft part 8 and feed lifting rock shaft main body 4 was synthesis lifts tooth offset, and lifting tooth eccentric wheel 3 can rotate around shaft part 5, utilizes this rotation to change and lift tooth offset during adjustment.
In technique scheme, described feed lifting rock shaft main body 4 is different with the offset between installing hole 7 and eccentric shaft part 8 from the offset between shaft part 5.
Above-mentioned installing hole 7 with lift tooth eccentric wheel main body 6 axis collinear.
Above-mentioned installing hole 7 is connected with eccentric shaft part 8.
Be integral type structure or split-type structural between above-mentioned shaft part 5 and feed lifting rock shaft main body 4; Eccentric shaft part 8 is integral type structure or split-type structural with lifting tooth eccentric wheel main body 6.
Above-mentioned shaft part 5 with lift tooth eccentric wheel 3 and fixed by the radial screw arranged.
Above-mentioned lifting on tooth eccentric wheel 3 is provided with the mark 17 being applicable to thick material offset and the mark 18 being applicable to thin material offset, feed lifting rock shaft main body 4 is provided with reference mark 19, reference mark 19 coordinate with the mark 17 being applicable to thick material offset and the mark 18 that is applicable to thin material offset respectively regulate needed for lift tooth offset.The mark 17 being applicable to thick material offset and the mark 18 being applicable to thin material offset can be groove or salient point or paste upper lines etc.The lines etc. that reference mark 19 adopts shrinkage pool or pastes.
The principle sketch (as shown in Figure 4) of Tai Ya mechanism of the present invention, A point is feed lifting rock shaft 1 center, line segment AB is the bias increased on feed lifting rock shaft 1, line segment BC (BC1) is the new bias of lifting on tooth eccentric wheel 3, during Sewing machines work, AC rotates around A, the retainer 11 (C is filled with connecting rod 9, connecting rod 9 connects retainer 11) being connected to C place moves up and down; ∠ ABC is the angle that original state lifts tooth eccentric wheel 3 and feed lifting rock shaft 1, and forming AC length is actually lift tooth offset; (adjust AC1 length from AC length) when tooth offset is lifted in needs adjustment, as long as adjustment lifts 1 relative angle of tooth eccentric wheel 3 and feed lifting rock shaft to ∠ ABC1, finally lift tooth offset and just become AC1, realize the adjustment of lifting tooth height.
Use of the present invention:
When making thin material, the mark 18 being applicable to thin material offset is alignd with reference mark 19, now lift tooth offset be thin material lift tooth offset, be screwed and lift tooth eccentric wheel 3 and shaft part 5; When making thick material, the mark 17 being applicable to thick material offset is alignd with reference mark 19, now lift tooth offset be thin material lift tooth offset, be screwed and lift tooth eccentric wheel 3 and shaft part 5.
Above-described embodiment is only one of preferred embodiment of the present invention, not limits practical range of the present invention with this, therefore: all equivalence changes done according to shape of the present invention, structure, principle, all should be covered by within protection scope of the present invention.
Claims (8)
1. a sewing machine feeding mechanism, include feed lifting rock shaft and feed spool, it is characterized in that: feed lifting rock shaft is provided with and lifts tooth eccentric wheel, lift tooth eccentric wheel and feed lifting rock shaft eccentric setting, eccentric setting gone back by tooth eccentric wheel there is connecting rod lifting, feed spool is equipped with feeding arm, connecting rod is connected with retainer respectively by pin with feeding arm, described in lift tooth eccentric wheel and can rotate adjustment around feed lifting rock shaft and lift tooth offset.
2. a kind of sewing machine feeding mechanism according to claim 1, is characterized in that: described feed lifting rock shaft includes feed lifting rock shaft main body, is arranged on the shaft part of feed lifting rock shaft body front end, shaft part and feed lifting rock shaft main body eccentric setting; Described tooth eccentric wheel of lifting is that the one end of lifting tooth eccentric wheel main body is provided with installing hole, the other end is provided with eccentric shaft part, installing hole is connected with the shaft part on feed lifting rock shaft, eccentric shaft part and installing hole eccentric setting, eccentric shaft part is connected with connecting rod, what the centre-to-centre spacing between described eccentric shaft part and feed lifting rock shaft main body was synthesis lifts tooth offset, lift tooth eccentric wheel to rotate around shaft part, utilize this rotation during adjustment to change and lift tooth offset.
3. a kind of sewing machine feeding mechanism according to claim 2, is characterized in that: described installing hole with lift tooth eccentric wheel main body axis conllinear.
4. a kind of sewing machine feeding mechanism according to claim 2, is characterized in that: described installing hole and shaft part are connected.
5. a kind of sewing machine feeding mechanism according to claim 2, is characterized in that: described shaft part with lift tooth eccentric wheel and fixed by the radial screw arranged.
6. a kind of sewing machine feeding mechanism according to claim 2, is characterized in that: described shaft part and feed lifting rock shaft main body are integral type structure or split-type structural.
7. a kind of sewing machine feeding mechanism according to claim 2, is characterized in that: described eccentric shaft part is integral type structure or split-type structural with lifting tooth eccentric wheel main body.
8. a kind of sewing machine feeding mechanism according to claim 2, it is characterized in that: described in lift in tooth eccentric wheel main body and be provided with the mark being applicable to thick material offset and the mark being applicable to thin material offset, feed lifting rock shaft main body is provided with reference mark, reference mark coordinate with the mark being applicable to thick material offset and the mark that is applicable to thin material offset respectively regulate needed for lift tooth offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640587.7A CN105088548A (en) | 2015-09-30 | 2015-09-30 | Sewing machine feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640587.7A CN105088548A (en) | 2015-09-30 | 2015-09-30 | Sewing machine feeding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105088548A true CN105088548A (en) | 2015-11-25 |
Family
ID=54569829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510640587.7A Pending CN105088548A (en) | 2015-09-30 | 2015-09-30 | Sewing machine feeding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105088548A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948095A (en) * | 2017-05-16 | 2017-07-14 | 杰克缝纫机股份有限公司 | A kind of anti-staggered floor device of sewing and overedger |
| CN109537181A (en) * | 2018-11-19 | 2019-03-29 | 杰克缝纫机股份有限公司 | A kind of feed dog incidence regulating mechanism and sewing machine |
| CN109706627A (en) * | 2019-01-14 | 2019-05-03 | 杰克缝纫机股份有限公司 | A kind of sewing machine and its feeding mechanism |
| CN112626732A (en) * | 2019-09-24 | 2021-04-09 | 杰克缝纫机股份有限公司 | Feed lifting mechanism with adjustable feed lifting height and sewing machine |
| CN112626731A (en) * | 2019-09-24 | 2021-04-09 | 杰克缝纫机股份有限公司 | Feed lifting mechanism with adjustable feed lifting height and sewing machine |
| CN112981739A (en) * | 2019-12-13 | 2021-06-18 | 杰克缝纫机股份有限公司 | Overedger and eccentric adjustable structure of lifting tooth thereof |
| WO2021184646A1 (en) * | 2020-03-19 | 2021-09-23 | 杰克缝纫机股份有限公司 | Feed lifting rock shaft assembly and sewing machine provided with feed lifting rock shaft assembly |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270246A (en) * | 1999-02-08 | 2000-10-18 | 重机株式会社 | Mechanism for regulating height of pay-off teeth |
| CN1298973A (en) * | 1999-12-07 | 2001-06-13 | 重机公司 | Feeding device for sewing machine |
| CN102154787A (en) * | 2011-04-07 | 2011-08-17 | 上海富山精密机械科技有限公司 | Dual-motor driven computerized sewing machine |
| CN202017118U (en) * | 2011-04-07 | 2011-10-26 | 上海富山精密机械科技有限公司 | Computerized lockstitch sewing machine driven by double motors |
| CN202247283U (en) * | 2011-05-11 | 2012-05-30 | 上海富山精密机械科技有限公司 | Voice coil motor driven cloth feeding computer controlled lockstitch sewing machine |
| US20150090167A1 (en) * | 2013-10-02 | 2015-04-02 | Shing Ray Sewing Machine Co., Ltd. | Direct drive cloth feeding mechanism of sewing machine |
| CN205024414U (en) * | 2015-09-30 | 2016-02-10 | 杰克缝纫机股份有限公司 | Sewing machine feeding mechanism |
-
2015
- 2015-09-30 CN CN201510640587.7A patent/CN105088548A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270246A (en) * | 1999-02-08 | 2000-10-18 | 重机株式会社 | Mechanism for regulating height of pay-off teeth |
| CN1298973A (en) * | 1999-12-07 | 2001-06-13 | 重机公司 | Feeding device for sewing machine |
| CN102154787A (en) * | 2011-04-07 | 2011-08-17 | 上海富山精密机械科技有限公司 | Dual-motor driven computerized sewing machine |
| CN202017118U (en) * | 2011-04-07 | 2011-10-26 | 上海富山精密机械科技有限公司 | Computerized lockstitch sewing machine driven by double motors |
| CN202247283U (en) * | 2011-05-11 | 2012-05-30 | 上海富山精密机械科技有限公司 | Voice coil motor driven cloth feeding computer controlled lockstitch sewing machine |
| US20150090167A1 (en) * | 2013-10-02 | 2015-04-02 | Shing Ray Sewing Machine Co., Ltd. | Direct drive cloth feeding mechanism of sewing machine |
| CN205024414U (en) * | 2015-09-30 | 2016-02-10 | 杰克缝纫机股份有限公司 | Sewing machine feeding mechanism |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948095A (en) * | 2017-05-16 | 2017-07-14 | 杰克缝纫机股份有限公司 | A kind of anti-staggered floor device of sewing and overedger |
| CN106948095B (en) * | 2017-05-16 | 2019-08-13 | 杰克缝纫机股份有限公司 | A kind of anti-staggered floor device of sewing and overedger |
| CN109537181A (en) * | 2018-11-19 | 2019-03-29 | 杰克缝纫机股份有限公司 | A kind of feed dog incidence regulating mechanism and sewing machine |
| CN109537181B (en) * | 2018-11-19 | 2021-03-12 | 杰克缝纫机股份有限公司 | Feed dog inclination angle adjusting mechanism and sewing machine |
| CN109706627A (en) * | 2019-01-14 | 2019-05-03 | 杰克缝纫机股份有限公司 | A kind of sewing machine and its feeding mechanism |
| CN112626732A (en) * | 2019-09-24 | 2021-04-09 | 杰克缝纫机股份有限公司 | Feed lifting mechanism with adjustable feed lifting height and sewing machine |
| CN112626731A (en) * | 2019-09-24 | 2021-04-09 | 杰克缝纫机股份有限公司 | Feed lifting mechanism with adjustable feed lifting height and sewing machine |
| CN112981739A (en) * | 2019-12-13 | 2021-06-18 | 杰克缝纫机股份有限公司 | Overedger and eccentric adjustable structure of lifting tooth thereof |
| WO2021184646A1 (en) * | 2020-03-19 | 2021-09-23 | 杰克缝纫机股份有限公司 | Feed lifting rock shaft assembly and sewing machine provided with feed lifting rock shaft assembly |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151125 |