CN105442195A - Sewing machine - Google Patents
Sewing machine Download PDFInfo
- Publication number
- CN105442195A CN105442195A CN201511008010.0A CN201511008010A CN105442195A CN 105442195 A CN105442195 A CN 105442195A CN 201511008010 A CN201511008010 A CN 201511008010A CN 105442195 A CN105442195 A CN 105442195A
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- China
- Prior art keywords
- shaft
- feed
- connecting rod
- motor
- retainer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
Abstract
The invention belongs to the technical field of sewing equipment, in particular to a sewing machine. An output shaft of a cloth conveying motor is connected with a feeding shaft through a link mechanism, the cloth conveying motor drives the feeding shaft to rotate through the link mechanism, a tooth rack base is arranged on the feeding shaft and hinged to one end of a tooth rack, the other end of the tooth rack is connected with a fork-shaped tooth lifting crank, and the fork-shaped tooth lifting crank is arranged on a tooth lifting shaft; the cloth conveying motor rotates forwards and reversely to drive the tooth rack base to act and then drives the tooth rack to move front and back, a rear tooth lifting crank further is arranged on the tooth lifting crank and is connected with an eccentric wheel through a tooth lifting connecting rod, the eccentric wheel is arranged on an upper shaft, and the upper shaft is driven by an upper shaft motor to rotate and then drives the eccentric wheel to move. The load exerted on the motor when the cloth conveying mechanism starts to convey cloth from one end of the conveying action range can be reduced, and the driving of the upper shaft and the driving of the cloth conveying shaft are kept synchronous correspondingly by means of the rotating speed change of the upper shaft.
Description
Technical field:
The invention belongs to sewing device technical field, refer in particular to a kind of Sewing machines.
Background technology:
Current Sewing machines type of drive is mainly motor and is rotated by eccentric cam drivening rod, and realizes oscillating feed by swing connecting bar.
Another kind of Sewing machines makes feed spool swing by motor direct-drive four-bar mechanism, drives retainer seat to swing together, thus realize feeding process by feed spool.
The every round trip in the horizontal direction of cloth conveying teeth of sewing machine in the past in addition, output shaft round trip within the scope of predetermined angular of motor, therefore, Sewing machines must the rotation direction of switch motor frequently, and the load acted on motor is just large, if user changes the rotating speed of main shaft at operating pedal, motor does not catch up with the rotation change of main shaft, the driving of main shaft synchronously can produce deviation with the driving of motor, if the driving of the driving of main shaft and cloth feeding mechanism synchronously produces deviation, sewings quality can be deteriorated.
Summary of the invention:
The object of this invention is to provide a kind of reduce the rotation direction of work feed motor switching frequency and can the driving of axle and the synchronous Sewing machines of the driving of cloth pushing shaft in the maintenance corresponding with upper axle rotation speed change.
The present invention is achieved in that
Sewing machines, include work feed motor, the output shaft of work feed motor is connected with feed spool by linkage, work feed motor drives feed spool to rotate by linkage, feed spool is also provided with retainer seat, one end of retainer seat and retainer is hinged, the other end of retainer is connected with feed lifting rock fork-shaped crank, feed lifting rock fork-shaped crank is arranged on feed lifting rock shaft, described work feed motor just, reversion drives retainer seat action and then drives retainer to seesaw, described feed lifting rock shaft is also provided with and lifts tooth rear crank, lift tooth rear crank to be connected with eccentric wheel by lifting tooth connecting rod, eccentric wheel is arranged on axle, described upper axle is driven by upper spindle motor and rotates, drive wobbler action, and then drive and lift tooth rear crank and swing up and down, drive feed lifting rock shaft reciprocating motion, final drive feed lifting rock fork-shaped crank swings, thus realize moving up and down of retainer.
In technique scheme, described upper axle is also connected with lower shaft by transmission mechanism, and the front end of lower shaft is provided with rotating shuttle, and the rotation of upper axle to be transferred to the rotation for lower shaft by transmission mechanism by main shaft.
In technique scheme, described transmission mechanism comprises vertical pivot and is arranged on the upper shaft bevel gear on axle, bevel gear and lower bevel gear is respectively arranged with at vertical pivot upper/lower terminal, upper bevel gear and upper shaft bevel gear engaged transmission, lower bevel gear and the lower shaft bevel gear engaged transmission be arranged on lower shaft.
In technique scheme, described linkage includes one end and is connected in connecting rod one on motor output shaft, one end of connecting rod two and the other end of connecting rod one is hinged, one end of the other end and connecting rod three is hinged, the other end of connecting rod three and one end of swing arm hinged, the other end of swing arm is installed on feed spool.
In technique scheme, the other end of described connecting rod two is also hinged with one end of connecting rod four, and the other end of connecting rod four is connected on motor end face or on support by pin, and work feed motor is arranged on support.
In technique scheme, described retainer cover for seat is contained in outside feed spool, and is fixed by screw lock.
In technique scheme, the other end of described retainer with lift tooth slider pin and be connected, lift tooth slider pin and be set in and lift tooth slide block, described in lift tooth slide block and be arranged in the opening of feed lifting rock fork-shaped crank, and can to move along opening.
In technique scheme, described work feed motor is fixed on base plate by support.
The advantage that the present invention gives prominence to compared to existing technology is:
The output shaft of work feed motor of the present invention facing one direction and opposite direction each rotation of rotating to be converted to centre position be the moving movement that central authorities make the horizontal round trip of cloth feeding mechanism; Sewing machines make in centre position work feed motor facing one direction or opposite direction be rotated further, Sewing machines centre position is as one end of the conveying actuating range of cloth feeding mechanism, work feed is started under the state that can be rotated further at motor, therefore Sewing machines can reduce and from one end of conveying actuating range, acts on the load of motor at cloth feeding mechanism when work feed, in the maintenance making the rotation speed change of axle corresponding the driving of axle and the driving of cloth pushing shaft synchronous.
Accompanying drawing illustrates:
Fig. 1 is schematic perspective view of the present invention.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, see Fig. 1:
Sewing machines, include work feed motor 1, the output shaft 2 of work feed motor 1 is connected with feed spool 3 by linkage, work feed motor 1 drives feed spool 3 to rotate by linkage, feed spool 3 is also provided with retainer seat 4, retainer seat 4 is hinged by retainer pin 6 with one end of retainer 5, the other end of retainer 5 is connected with feed lifting rock fork-shaped crank 7, feed lifting rock fork-shaped crank 4 is arranged on feed lifting rock shaft 8, described work feed motor 1 just, reversion drives retainer seat 4 action and then drives retainer 5 to seesaw, described feed lifting rock shaft 8 is also provided with and lifts tooth rear crank 9, lift tooth rear crank 9 to be connected with eccentric wheel 11 by lifting tooth connecting rod 10, eccentric wheel 11 is arranged on axle 12, described upper axle 12 is driven by upper spindle motor and rotates, band movable eccentric wheel 11 moves, and then drive and lift tooth rear crank 9 and swing up and down, drive feed lifting rock shaft 8 reciprocating motion, final drive feed lifting rock fork-shaped crank 7 swings, thus realize moving up and down of retainer 5.
In technique scheme, described upper axle 12 is also connected with lower shaft 13 by transmission mechanism, and the front end of lower shaft 13 is provided with rotating shuttle, and the rotation of upper axle 12 to be transferred to the rotation for lower shaft 13 by transmission mechanism by upper axle 12.
In technique scheme, described transmission mechanism comprises vertical pivot 14 and is arranged on the upper shaft bevel gear 15 on axle 12, bevel gear 16 and lower bevel gear 17 is respectively arranged with at vertical pivot 14 upper/lower terminal, upper bevel gear 16 and upper shaft bevel gear 15 engaged transmission, lower bevel gear 17 and lower shaft bevel gear 18 engaged transmission be arranged on lower shaft 13.
Except above-mentioned bevel gear transmission mechanism, synchronous belt drive mechanism etc. also can be adopted the rotation of upper axle 12 to be transferred to the rotation of lower shaft 13.Synchronous belt drive mechanism comprises the upper synchronous pulley be arranged on axle 12, be arranged on the lower synchronous pulley on lower shaft 13, and be arranged on the regulating wheel of lower synchronous pulley both sides, the tension wheel shaft of two regulating wheels is connected with base plate, Timing Belt connects upper synchronous pulley, lower synchronous pulley and two regulating wheels, and lower synchronous pulley is positioned on the outer surface of Timing Belt.
In technique scheme, described linkage includes one end and is connected in connecting rod 1 on motor output shaft 2, one end of connecting rod 2 20 and the other end of connecting rod 1 is hinged, one end of the other end and connecting rod 3 21 is hinged, the other end of connecting rod 3 21 and one end of swing arm 22 hinged, the other end of swing arm 22 is installed on feed spool 3.Pin hinges is passed through between each connecting rod.
In technique scheme, the other end of described connecting rod 2 20 is also hinged with one end of connecting rod 4 23, and the other end of connecting rod 4 23 is connected on motor end face or on support 24 by pin, and work feed motor 1 is arranged on support 24.
In technique scheme, described retainer seat 4 is sleeved on outside feed spool 3, and is fixed by screw lock.
In technique scheme, the other end of described retainer 5 with lift tooth slider pin 25 and be connected, lift tooth slider pin 25 and be set in and lift tooth slide block, described in lift tooth slide block and be arranged in the opening of feed lifting rock fork-shaped crank 9, and can to move along opening.
In technique scheme, described work feed motor 1 is fixed on base plate by support 24.
Work feed motor 1 of the present invention drives cloth feeding mechanism to rotate, and it makes feed spool 3 rotate by work feed motor 1 drivening rod mechanism, thus realizes retainer 4 horizontal direction work feed.
Connecting rod 1 is fixed on motor output shaft 2, connecting rod 1 and connecting rod 2 20 are connected by pin and realize angle of oscillation change, connecting rod 4 23 is fixed on as a swing pivot on support 24 by pin to his one end, and connecting rod 2 20, connecting rod 3 21, connecting rod 4 23 are connected can mutually be rotated by pin.Swing arm 22 is connected by pin with connecting rod 3 21, and swing arm 22 is fixed on feed spool 3 and realizes swinging by above-mentioned multi-connecting-rod mechanism, and retainer seat 4 is fixed on feed spool 3 by screw.Retainer seat 4 and retainer 5 are connected by retainer pin 6 and can realize rotating, and feed spool 3 rotates relative to base plate.
Rotated by dynamic upper shaft bevel gear 15 and the eccentric wheel 11 of driving of upper axle 12, upper shaft bevel gear 15 drives upper bevel gear 16 to rotate, upper bevel gear 16 and lower bevel gear 17 are fixed on vertical pivot 14, upper shaft bevel gear 15 drives vertical pivot 14 to rotate with upper bevel gear 16 engaged transmission and then drives lower bevel gear 17 with lower shaft bevel gear 18 engaged transmission on lower shaft 13 and then drive lower shaft 13 to rotate, the rotation of upper axle 12 is delivered on lower shaft 13, realizes the rotation of lower shaft 13; Eccentric wheel 11 is lifted tooth connecting rod 10 by rotation drive and is moved, lift tooth connecting rod 10 by screw and nut and lift tooth rear crank 9 and be hinged, lifting tooth rear crank 9 is fixed on feed lifting rock shaft 8, feed lifting rock fork-shaped crank 7 is fixed on feed lifting rock shaft 8, eccentric wheel 11 is by lifting tooth connecting rod 10, screw, nut and lifting the rotation that upper axle 12 to be converted into feed lifting rock fork-shaped crank 7 by tooth rear crank 9, and the agomphiasis of lifting up and down realizing retainer 5 is done.
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. Sewing machines, it is characterized in that: include work feed motor, the output shaft of work feed motor is connected with feed spool by linkage, work feed motor drives feed spool to rotate by linkage, feed spool is also provided with retainer seat, one end of retainer seat and retainer is hinged, the other end of retainer is connected with feed lifting rock fork-shaped crank, feed lifting rock fork-shaped crank is arranged on feed lifting rock shaft, described work feed motor just, reversion drives retainer seat action and then drives retainer to seesaw, described feed lifting rock shaft is also provided with and lifts tooth rear crank, lift tooth rear crank to be connected with eccentric wheel by lifting tooth connecting rod, eccentric wheel is arranged on axle, described upper axle is driven by upper spindle motor and rotates, drive wobbler action, and then drive and lift tooth rear crank and swing up and down, drive feed lifting rock shaft reciprocating motion, final drive feed lifting rock fork-shaped crank swings, thus realize moving up and down of retainer.
2. Sewing machines according to claim 1, is characterized in that: described upper axle is also connected with lower shaft by transmission mechanism, and the front end of lower shaft is provided with rotating shuttle, and the rotation of upper axle to be transferred to the rotation for lower shaft by transmission mechanism by main shaft.
3. the feed mechanism of Sewing machines according to claim 2, it is characterized in that: described transmission mechanism comprises vertical pivot and is arranged on the upper shaft bevel gear on axle, bevel gear and lower bevel gear is respectively arranged with at vertical pivot upper/lower terminal, upper bevel gear and upper shaft bevel gear engaged transmission, lower bevel gear and the lower shaft bevel gear engaged transmission be arranged on lower shaft.
4. Sewing machines according to claim 1, it is characterized in that: described linkage includes one end and is connected in connecting rod one on motor output shaft, one end of connecting rod two and the other end of connecting rod one is hinged, one end of the other end and connecting rod three is hinged, the other end of connecting rod three and one end of swing arm hinged, the other end of swing arm is installed on feed spool.
5. Sewing machines according to claim 4, is characterized in that: the other end of described connecting rod two is also hinged with one end of connecting rod four, and the other end of connecting rod four is connected on motor end face or on support by pin, and work feed motor is arranged on support.
6. Sewing machines according to claim 1, is characterized in that: described retainer cover for seat is contained in outside feed spool, and is fixed by screw lock.
7. Sewing machines according to claim 1, is characterized in that: the other end of described retainer with lift tooth slider pin and be connected, lift tooth slider pin and be set in and lift tooth slide block, described in lift tooth slide block and be arranged in the opening of feed lifting rock fork-shaped crank, and can to move along opening.
8. Sewing machines according to claim 1, is characterized in that: described work feed motor is fixed on base plate by support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511008010.0A CN105442195B (en) | 2015-12-29 | 2015-12-29 | Sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511008010.0A CN105442195B (en) | 2015-12-29 | 2015-12-29 | Sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105442195A true CN105442195A (en) | 2016-03-30 |
| CN105442195B CN105442195B (en) | 2018-11-23 |
Family
ID=55552803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511008010.0A Active CN105442195B (en) | 2015-12-29 | 2015-12-29 | Sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105442195B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780314A (en) * | 2016-04-28 | 2016-07-20 | 杰克缝纫机股份有限公司 | Driving mechanism for lifting presser foot, slacking thread and knotting thread in sewing machine and sewing machine |
| CN106948101A (en) * | 2017-03-29 | 2017-07-14 | 杰克缝纫机股份有限公司 | A kind of feed mechanism and sewing machine |
| CN108085887A (en) * | 2016-11-21 | 2018-05-29 | 林小玲 | A kind of sewing machine transmission mechanism and its installation method |
| CN108998899A (en) * | 2018-08-16 | 2018-12-14 | 杰克缝纫机股份有限公司 | A kind of cloth feeding mechanism of automatic improvement take-up |
| CN110541246A (en) * | 2018-05-28 | 2019-12-06 | 拓卡奔马机电科技有限公司 | Button sewing machine |
| WO2021128842A1 (en) * | 2019-12-25 | 2021-07-01 | 杰克缝纫机股份有限公司 | Feeding mechanism of sewing machine and sewing machine comprising feeding mechanism |
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| CN2488930Y (en) * | 2001-08-03 | 2002-05-01 | 陈晓波 | Feeding device for needle of sewing machine |
| CN2646174Y (en) * | 2003-08-13 | 2004-10-06 | 中国标准缝纫机公司上海惠工缝纫机三厂 | Lower feeding mechanism of high speed parallel sewing machine |
| CN202187170U (en) * | 2011-07-11 | 2012-04-11 | 温州市亨泰缝制设备有限公司 | Cloth feed mechanism of manual line mark imitation sewing machine |
| CN102899813A (en) * | 2011-07-25 | 2013-01-30 | 兄弟工业株式会社 | Sewing machine and control method of sewing machine |
| CN105113152A (en) * | 2015-09-30 | 2015-12-02 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN105155142A (en) * | 2015-09-30 | 2015-12-16 | 杰克缝纫机股份有限公司 | Double-motor drive feed mechanism and sewing machine |
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2015
- 2015-12-29 CN CN201511008010.0A patent/CN105442195B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2488930Y (en) * | 2001-08-03 | 2002-05-01 | 陈晓波 | Feeding device for needle of sewing machine |
| CN2646174Y (en) * | 2003-08-13 | 2004-10-06 | 中国标准缝纫机公司上海惠工缝纫机三厂 | Lower feeding mechanism of high speed parallel sewing machine |
| CN202187170U (en) * | 2011-07-11 | 2012-04-11 | 温州市亨泰缝制设备有限公司 | Cloth feed mechanism of manual line mark imitation sewing machine |
| CN102899813A (en) * | 2011-07-25 | 2013-01-30 | 兄弟工业株式会社 | Sewing machine and control method of sewing machine |
| CN105113152A (en) * | 2015-09-30 | 2015-12-02 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN105155142A (en) * | 2015-09-30 | 2015-12-16 | 杰克缝纫机股份有限公司 | Double-motor drive feed mechanism and sewing machine |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780314A (en) * | 2016-04-28 | 2016-07-20 | 杰克缝纫机股份有限公司 | Driving mechanism for lifting presser foot, slacking thread and knotting thread in sewing machine and sewing machine |
| CN105780314B (en) * | 2016-04-28 | 2019-05-14 | 杰克缝纫机股份有限公司 | The driving mechanism and sewing machine of presser foot lifter loose ends routing in sewing machine |
| CN108085887A (en) * | 2016-11-21 | 2018-05-29 | 林小玲 | A kind of sewing machine transmission mechanism and its installation method |
| CN108085887B (en) * | 2016-11-21 | 2024-04-19 | 宁波富菱缝纫设备有限公司 | Transmission mechanism of sewing machine and installation method thereof |
| CN106948101A (en) * | 2017-03-29 | 2017-07-14 | 杰克缝纫机股份有限公司 | A kind of feed mechanism and sewing machine |
| CN106948101B (en) * | 2017-03-29 | 2020-04-07 | 杰克缝纫机股份有限公司 | Feeding mechanism and sewing machine |
| CN110541246A (en) * | 2018-05-28 | 2019-12-06 | 拓卡奔马机电科技有限公司 | Button sewing machine |
| CN108998899A (en) * | 2018-08-16 | 2018-12-14 | 杰克缝纫机股份有限公司 | A kind of cloth feeding mechanism of automatic improvement take-up |
| WO2021128842A1 (en) * | 2019-12-25 | 2021-07-01 | 杰克缝纫机股份有限公司 | Feeding mechanism of sewing machine and sewing machine comprising feeding mechanism |
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| CN105442195B (en) | 2018-11-23 |
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Address after: 318000 no.1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318000 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
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