CN102797119B - Forward and reverse feeding device for industrial column type sewing machine - Google Patents
Forward and reverse feeding device for industrial column type sewing machine Download PDFInfo
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- CN102797119B CN102797119B CN201210312600.2A CN201210312600A CN102797119B CN 102797119 B CN102797119 B CN 102797119B CN 201210312600 A CN201210312600 A CN 201210312600A CN 102797119 B CN102797119 B CN 102797119B
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Abstract
The invention provides a forward and reverse feeding device for an industrial column type sewing machine. The forward and reverse feeding device comprises a middle seat and a reverse sewing electromagnet, wherein a main transmission rocking bar with one end connected with an external driving device is mounted on the middle seat; a reverse sewing device as well as a forward and reverse feeding module are arranged on the middle seat; the main transmission rocking bar is used for transmitting an action to a feeding wheel through a one-way transmission bearing, two gear shafts and three bevel gears; and under the control of a pair of clutch gears and a pair of clutches, reciprocating oscillation of the main transmission rocking bar is converted into forward and reverse rotation of the feeding wheel so as to achieve forward sewing and reverse sewing. According to the invention, as the oscillation of the main transmission rocking bar is converted into the forward and reverse rotation of the feeding wheel through the transmissions of the gear shafts, the clutches and the plurality of bevel gears and the forward sewing and the reverse sewing are achieved through the control of the reverse sewing rocking bar, accurate transmission and high efficiency are achieved, consistent reverse sewing number can be effectively guaranteed and the machining performance of the sewing machine is improved; therefore, machining operations with higher requirements can be satisfied.
Description
Technical field
The present invention relates to a kind of industrial column Sewing machines, be specifically related to the forward and reverse pay-off of a kind of industrial column Sewing machines.
Background technology
Column industrial sewing machine is applicable to sewing and the decorations seam of sport footwear, women's shoes, riding boots, sack, cap etc.The balance that adopts the rectilinear shuttle head of full circle swinging, connection rod-type, sewing is respond well.Under this seam, send, car thickness thing is all freely smooth and easy, especially sewing multi-layer thick cladding, and effect is very good.Seam order size adjustment is easy.Gently overwhelm seam bar and more can easily backstitch, easy and simple to handle.But existing column Sewing machines is the qualification that relies on operator mostly in the time returning seam, although some machines also have the function backstitching, can not ensure back that the number of seam is consistent, therefore cannot meet the processing of high request.
Summary of the invention
The object of the invention is to propose a kind of device of changing carrying roller, time-consuming while solving artificial replacing carrying roller, effort, and operate unsafe problem.
For reaching this object, the present invention by the following technical solutions:
The forward and reverse pay-off of a kind of industrial column Sewing machines, comprises middle seat and backstitches electromagnet, on described middle seat, the main transmission rocking bar that one end is connected with external driver device is installed, and is provided with Backsewing unit and forward and reverse feeding material component, the other end of described main transmission rocking bar is connected with the single-direction transmission bearing backstitching in seat, and tooth axle B is installed in described single-direction transmission bearing, on described tooth axle B, be provided with and backstitch fork, described in backstitch extension spring be installed on fork, described forward and reverse feeding material component adopts following drive mechanism: in described tooth axle B upper end, bearing and bevel gear C are installed successively, described bevel gear C is connected with a pair of clutch gear, described a pair of clutch gear matches with a clutch respectively, in two clutches, all there is internal spline, one end of tooth axle B is through a pair of clutch and a pair of clutch gear, on described tooth axle A, there is the spline mating with the internal spline of clutch, bevel gear B in the other end of described tooth axle A and middle seat is in transmission connection, described bevel gear B is in transmission connection by the bevel gear A and the drawing-inroller that are in transmission connection with it, shifting block for solenoidoperated cluthes is installed on described clutch, described shifting block is arranged on middle seat by two guide fingers, mate folding the swing of main transmission rocking bar be converted to respectively forward and reverse rotation of tooth axle A with in a pair of clutch gear one by a pair of clutch, and then be converted to forward and reverse rotation of drawing-inroller, realize along seam and return seam.
Preferably, the clutch of described tooth axle A outer end is connected with tooth axle sleeve, has the spline coordinating with this clutch internal spline on described tooth axle sleeve.
Preferably, between described tooth axle A and middle seat, be provided with bearing and packing ring.
Preferably, between the bearing on described tooth axle B and bevel gear C, be provided with packing ring.
The present invention is converted to the swing of main transmission rocking bar by the transmission of tooth axle, clutch and several bevel gears forward and reverse rotation of drawing-inroller, and realize along seam and return seam by backstitching the control of fork, transmission is accurate, efficiency is high, can return the consistent of seam number by effective guarantee, improve the processing characteristics of Sewing machines, can meet the processing operation of requirements at the higher level.
Brief description of the drawings
Fig. 1 is overall structure cutaway view of the present invention;
Fig. 2 is overall structure schematic diagram of the present invention;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is exploded view of the present invention.
In figure:
1, middle seat; 2, axle sleeve; 3, bevel gear A; 4, feed spool; 5, bevel gear B; 6, tooth axle A; 7, bearing; 8, bevel gear C; 9, tooth axle B; 10, clutch gear; 101, clutch gear A; 102, clutch gear B; 11, tooth axle sleeve; 12, clutch; 121, clutch A; 122, clutch B; 13, shifting block; 14, guide finger A; 15, backstitch seat; 16, backstitch fork; 17, guide finger B; 18, backstitch electromagnet; 19, extension spring; 20, single-direction transmission bearing; 21, screw; 22, main transmission rocking bar; 23, drawing-inroller.
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing and by detailed description of the invention.
As shown in Figures 1 to 4, provide a specific embodiment of the present invention, as shown in the figure, on middle seat 1, be provided with and backstitch electromagnet 18 and extension spring 19 and backstitch fork 16.
As Figure 1 and Figure 4, on middle seat 1, the main transmission rocking bar 22 that one end is connected with external driver device is installed, and is provided with Backsewing unit and forward and reverse feeding material component, the other end of described main transmission rocking bar 22 by screw 21 with backstitch the single-direction transmission bearing 20 of seat in 15 and be connected, tooth axle B9 is installed in described single-direction transmission bearing 20, on described tooth axle B9, be provided with and backstitch fork 16, described in backstitch extension spring 19 be installed on fork 16, described forward and reverse feeding material component adopts following drive mechanism: in described tooth axle B9 upper end, bearing 7 and bevel gear C8 are installed successively, between the two, be provided with packing ring, described bevel gear C8 is connected with a pair of clutch gear 10 of clutch 12, described clutch 12 comprises clutch A121 and clutch B122, described a pair of clutch gear is respectively clutch gear 101 and clutch gear 102, one of them clutch gear B102 is connected with one end of tooth axle A6 by clutch A121, bevel gear B5 in the other end of described tooth axle A6 and middle seat 1 is in transmission connection, described bevel gear B5 is in transmission connection by the bevel gear A3 and the drawing-inroller 23 that are in transmission connection with it, on described tooth axle A6, be provided with the spline supporting with the internal spline of clutch A121,
The outer end of described clutch B122 is connected with tooth axle sleeve 14, on described tooth axle sleeve 14, has the spline coordinating with the internal spline of clutch B122; Between described tooth axle A6 and middle seat 1, be provided with bearing 7 and packing ring.
Its transmission order is: swinging back and forth of main transmission rocking bar 22 drives single-direction transmission bearing 20 to rotate back and forth, thereby drive tooth axle B9 to do intermittently unidirectional rotary motion, tooth axle B9 band dynamic bevel gear C8 does intermittent unidirectional rotary motion, by clutch 12 and tooth axle A6 by gyration transmission to bevel gear B5 and bevel gear A3, and then drive drawing-inroller 23 to do forward and reverse rotation:
In the time backstitching electromagnet 18 and not working, extension spring 19 makes to backstitch fork 16 and swings left, by shifting block 13, clutch B122 is combined with clutch gear A101, clutch A121 and clutch gear B102 depart from, drive tooth axle A6 to be rotated in the forward motion by the spline of clutch B, drive drawing-inroller 23 to be rotated in the forward by bevel gear B5 and bevel gear A3, carry out along seam operation;
In the time backstitching electromagnet 18 and work, extension spring 19 makes to backstitch fork 16 and swings to the right, by shifting block 13, clutch B122 and clutch gear A101 are separated, clutch A121 is combined with clutch gear B102, drive tooth axle A6 to do reverse rotation motion by the spline of clutch A, drive drawing-inroller 23 to counter-rotate by bevel gear B5 and bevel gear A3, return seam operation.
Claims (4)
1. the forward and reverse pay-off of industrial column Sewing machines, comprises middle seat and backstitches electromagnet, it is characterized in that: on described middle seat, the main transmission rocking bar that one end is connected with external driver device is installed, and is provided with Backsewing unit and forward and reverse feeding material component;
The other end of described main transmission rocking bar is connected with the single-direction transmission bearing backstitching in seat, and tooth axle B is installed in described single-direction transmission bearing, on described tooth axle B, be provided with and backstitch fork, described in backstitch extension spring be installed on fork;
Described forward and reverse feeding material component adopts following drive mechanism: in described tooth axle B upper end, bearing and bevel gear C are installed successively, described bevel gear C is connected with a pair of clutch gear A and clutch gear B, described a pair of clutch gear matches with a clutch A and clutch B respectively, in described two clutches, all there is internal spline, one end of tooth axle B is through a pair of clutch A and B and a pair of clutch gear A and clutch gear B, and one of them clutch gear B is connected with one end of tooth axle A by clutch A, on described tooth axle A, there is the spline mating with the internal spline of clutch, bevel gear B in the other end of described tooth axle A and middle seat is in transmission connection, described bevel gear B is in transmission connection by the bevel gear A and the drawing-inroller that are in transmission connection with it, shifting block for solenoidoperated cluthes is installed on described clutch, described shifting block is arranged on middle seat by two guide fingers, mate folding the swing of main transmission rocking bar be converted to respectively forward and reverse rotation of tooth axle A with in a pair of clutch gear one by a pair of clutch, and then be converted to forward and reverse rotation of drawing-inroller, realize along seam and return seam.
2. the forward and reverse pay-off of the industrial column Sewing machines of one according to claim 1, is characterized in that: the clutch of described tooth axle A outer end is connected with tooth axle sleeve, has the spline coordinating with this clutch internal spline on described tooth axle sleeve.
3. the forward and reverse pay-off of the industrial column Sewing machines of one according to claim 1, is characterized in that: between described tooth axle A and middle seat, be provided with bearing and packing ring.
4. the forward and reverse pay-off of the industrial column Sewing machines of one according to claim 1, is characterized in that: between the bearing on described tooth axle B and bevel gear C, be provided with packing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210312600.2A CN102797119B (en) | 2012-08-29 | 2012-08-29 | Forward and reverse feeding device for industrial column type sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210312600.2A CN102797119B (en) | 2012-08-29 | 2012-08-29 | Forward and reverse feeding device for industrial column type sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102797119A CN102797119A (en) | 2012-11-28 |
| CN102797119B true CN102797119B (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210312600.2A Active CN102797119B (en) | 2012-08-29 | 2012-08-29 | Forward and reverse feeding device for industrial column type sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102797119B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457401A (en) * | 2019-01-15 | 2019-03-12 | 杰克缝纫机股份有限公司 | Sewing machine and its feeding adjusting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4719867A (en) * | 1986-01-22 | 1988-01-19 | Necchi Societa Per Azioni | Lower wheel fabric feeding device in a column sewing machine |
| CN1311365A (en) * | 2000-02-28 | 2001-09-05 | 韩国裁缝机工业株式会社 | Cloth feeding device used for sewing machine |
| CN1313419A (en) * | 2000-03-13 | 2001-09-19 | 杨碧华 | Backsewing unit of industrial sewing machine |
| CN202954219U (en) * | 2012-08-29 | 2013-05-29 | 池州市旭豪机械有限公司 | Column type forward-reverse feeding device of sewing machine for industrial use |
-
2012
- 2012-08-29 CN CN201210312600.2A patent/CN102797119B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4719867A (en) * | 1986-01-22 | 1988-01-19 | Necchi Societa Per Azioni | Lower wheel fabric feeding device in a column sewing machine |
| CN1311365A (en) * | 2000-02-28 | 2001-09-05 | 韩国裁缝机工业株式会社 | Cloth feeding device used for sewing machine |
| CN1313419A (en) * | 2000-03-13 | 2001-09-19 | 杨碧华 | Backsewing unit of industrial sewing machine |
| CN202954219U (en) * | 2012-08-29 | 2013-05-29 | 池州市旭豪机械有限公司 | Column type forward-reverse feeding device of sewing machine for industrial use |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457401A (en) * | 2019-01-15 | 2019-03-12 | 杰克缝纫机股份有限公司 | Sewing machine and its feeding adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102797119A (en) | 2012-11-28 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190226 Address after: 247100 Jinan Park, Chizhou economic and Technological Development Zone, Anhui Patentee after: Anhui Jieyu Shoemaking Machinery Technology Co., Ltd. Address before: 247100 Jinan Industrial Park, Chizhou Economic and Technological Development Zone, Anhui Province, Xuhao Machinery Co., Ltd. Patentee before: Chizhou Xuhao Machinery Co., Ltd. |
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| 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 invention: Forward and reverse feeding device for industrial column type sewing machine Effective date of registration: 20190628 Granted publication date: 20140723 Pledgee: Chizhou Jiuhua Rural Commercial Bank Co., Ltd. Pledgor: Anhui Jieyu Shoemaking Machinery Technology Co., Ltd. Registration number: 2019340000337 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200720 Granted publication date: 20140723 Pledgee: Chizhou Jiuhua Rural Commercial Bank Co.,Ltd. Pledgor: ANHUI JIEYU SHOEMAKING MACHINERY TECHNOLOGY Co.,Ltd. Registration number: 2019340000337 |