CN105155141B - Dual-motors Driving feed mechanism and sewing machine - Google Patents
Dual-motors Driving feed mechanism and sewing machine Download PDFInfo
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- CN105155141B CN105155141B CN201510640537.9A CN201510640537A CN105155141B CN 105155141 B CN105155141 B CN 105155141B CN 201510640537 A CN201510640537 A CN 201510640537A CN 105155141 B CN105155141 B CN 105155141B
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Abstract
The present invention provides a kind of Dual-motors Driving feed mechanism, including the first motor, second motor, retainer and the feeding tooth being fixed on retainer, first motor is connected by Tai Ya mechanisms with one end of retainer, second motor is connected by cloth feeding mechanism with the other end of retainer, cloth feeding mechanism includes the feed spool being rotatably supported in baseplate of sewing machine, and it is fixed on the retainer seat on feed spool, the output shaft of second motor is connected by gear transmission unit or toothed belt transmission unit with feed spool, and feed spool line centered on own axes is driven to swing back and forth, retainer seat is hinged with retainer.Two motors used herein drive Tai Ya mechanisms and cloth feeding mechanism respectively, to drive feeding tooth to complete work feed motion, sewing transferred forward when sewing is transferred backward by controlling the output quantity of the second motor to can be achieved just stitch, refunds seam, needle gage regulation etc. acts, its is simple in construction clear, easy to control, and corresponding speed is fast, sewing quality is finally improved.
Description
Technical field
The present invention relates to a kind of sewing machine, more particularly to a kind of Dual-motors Driving that can be preferably applied to flat seam machine
Feed mechanism.
Background technology
Sewing machine species is various, including flat seam machine, overedger, chain seam machine, flat seaming machine etc., and sewing machine includes thorn material machine again
Structure, hook line mechanism, Yarn taking-up mechanism, feed mechanism, winding mechanism, feeding pressure mechanism etc..At present, the utilization rate highest of flat seam machine, and
The feed mechanism of traditional flat seam machine is mainly formed by three pieces：Work feed component, needle gage adjusting part and refund seam component；Wherein,
Work feed component is driven by the main motor of sewing machine by linkage, and needle gage adjusting part is cam ejection pin mechanism, refunds seam group
Part is driven by electromagnet by linkage.Following drawback be present in the flat seam machine with above-mentioned feed mechanism：Complicated, volume
Greatly, noise is big when flat seam machine is run, it is big to shake, and needle gage regulation is inconvenient, and head motion is lengthy and jumbled, the work(of relative reduction flat seam machine
Effect.
Therefore, the Chinese utility model patent of Application No. 201220361687.8 discloses a kind of sewing machine, the sewing
Machine utilizes respective motor drive shaft and cloth feeding mechanism, and the upper axle, upper and lower conveying axis and level that it includes be arrangeding in parallel are defeated
Axle is sent, upper axle is driven and rotated by timing belt and with conveying axis above and below wheel drive, upper and lower conveying axis by the main motor of sewing machine
Cloth pushing table is driven to move back and forth up and down by eccentric cam, upper and lower conveying arm；It also includes a work feed motor, the work feed motor
Work feed output shaft by the first arm, the second arm, effect arm drive horizontal feed axle rotate clockwise or counterclockwise, water
Flat conveying axis move back and forth before and after driving cloth pushing table by connecting portion again, final to realize conveying cloth.In the sewing machine, the first arm
Portion, the second arm and effect arm form a link assembly, and the work feed output shaft of work feed motor is driven by the link assembly
Horizontal output shaft rotates.
The content of the invention
In view of the above the shortcomings that prior art, it is an object of the invention to provide a kind of simple in construction and can be easy to
Realize work feed, needle gage regulation and the Dual-motors Driving feed mechanism for refunding seam.
To achieve the above object, the present invention provides a kind of Dual-motors Driving feed mechanism, including the first motor, the second electricity
Machine, retainer and the feeding tooth being fixed on retainer, first motor is connected by Tai Ya mechanisms with one end of retainer, described
Second motor is connected by cloth feeding mechanism with the other end of retainer, and the cloth feeding mechanism includes being rotatably supported in sewing machine
Feed spool in bottom plate and the retainer seat being fixed on feed spool, the output shaft of second motor pass through gear drive list
Member or toothed belt transmission unit are connected with feed spool and drive feed spool line centered on own axes to swing back and forth, described
Retainer seat is hinged with retainer.
Preferably, the gear transmission unit includes the driving gear being fixed on the output shaft of the second motor and is fixed on
Driven gear on feed spool, the driving gear are meshed with driven gear.
Preferably, the toothed belt transmission unit includes being fixed on active synchronization belt wheel on the second motor output shaft, solid
The driven synchronous pulley and the first timing belt of connection active synchronization belt wheel and driven synchronous pulley being scheduled on feed spool.
Further, the Tai Ya mechanisms include main shaft, feed lifting rock shaft, eccentric tooth lifting cam, bearing and lift tooth connecting rod, described
The output shaft of first motor is fixedly connected with main shaft, and the main shaft is connected by transmission mechanism with feed lifting rock shaft, the eccentric lift
Tooth cam includes being fixed on the first connecting portion of feed lifting rock shaft end and fixed second connecting portion within the bearing, and described first
Connecting portion and second connecting portion eccentric setting, the bearing are fixed in one end of lift tooth connecting rod, lift the other end of tooth connecting rod with
Retainer is hinged.
Preferably, the transmission mechanism includes being fixed on main shaft the first synchronous pulley, the be fixed on feed lifting rock shaft
Two synchronous pulleys and the second timing belt of the first synchronous pulley of connection and the second synchronous pulley.
Further, the other end of the lift tooth connecting rod is hinged by a lift tooth pin with retainer, and the lift tooth pin is one
Cam pin, including the first axle part and the second axle part of eccentric setting, the first axle part is rotatably connected at lift tooth connecting rod, the
Two axle portions are rotatably connected at retainer.
Further, the retainer seat is hinged by a retainer pin with retainer, and the retainer pin is a cam pin, successively
Including the 3rd axle portion, the 4th axle portion and the 5th axle portion, the 3rd axle portion and the 4th axle portion eccentric setting, the 3rd axle portion and the 5th
Axle portion is arranged concentrically, and the 3rd axle portion and the 5th axle portion are rotatably connected at retainer seat, and the 4th axle portion rotationally connects
It is connected to retainer.
Preferably, first motor is the main motor of sewing machine, and the second motor is located at the lower section of the first motor and fixed
In a motor mount, the motor mount is fixed on the lower surface of bottom plate.
The present invention also provides a kind of sewing machine, including Dual-motors Driving feed mechanism as described above.
As described above, Dual-motors Driving feed mechanism of the present invention and sewing machine, have the advantages that：
Two motors used herein drive Tai Ya mechanisms and cloth feeding mechanism respectively, to drive retainer and feeding tooth complete
Moved into work feed, by sewing when sewing is transferred backward by controlling the output quantity of the second motor to can be achieved just to stitch, refunds seam
Forward transfer, needle gage regulation etc. action, instead of in original flat seam machine by a motor-driven feeding connecting rod mechanism, by electricity
The Zheng Huifeng mechanisms of magnet driving and the needle gage controlling organization of cam slide bar type, its is simple in construction clear, easy to control, and phase
Answer speed fast, finally improve sewing quality.
Brief description of the drawings
Fig. 1 to Fig. 3 is the structural representation of embodiment one in the application.
Fig. 4 to Fig. 6 is the structural representation of embodiment two in the application.
Fig. 7 is retainer and feed lifting rock shaft, the connection diagram of feed spool in the application.
Fig. 8 is the connection diagram of main shaft and feed lifting rock shaft in the application.
Component label instructions
1 second motor
2 retainers
3 feeding teeth
4 feed spools
5 retainer seats
51 retainer seat bodies
52 articulated sections
61 driven gears
62 driving gears
71 active synchronization belt wheels
72 driven synchronous pulleys
73 first timing belts
8 main shafts
9 feed lifting rock shafts
10 eccentric tooth lifting cams
101 first connecting portions
102 second connecting portions
11 bearings
12 lift tooth connecting rods
131 first synchronous pulleys
132 second synchronous pulleys
133 second timing belts
14 lift tooth pins
141 the first axle parts
142 the second axle parts
15 retainer pins
151 the 3rd axle portions
152 the 4th axle portions
153 the 5th axle portions
16 spacing shims
17 screws
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating specification to be taken off
The content shown, so that those skilled in the art understands and reads, the enforceable qualifications of the present invention are not limited to, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influenceing the present invention
Under the effect of can be generated and the purpose that can reach, it all should still fall and obtain the model that can cover in disclosed technology contents
In enclosing.Meanwhile cited such as " on ", " under " in this specification, "left", "right", the term of " centre " and " one ", also it is only
It is easy to understanding for narration, and is not used to limit the enforceable scope of the present invention, its relativeness is altered or modified, without essence
Change under technology contents, when being also considered as the enforceable category of the present invention.
All directions are defined as follows in following examples：Described front direction refers to that sewing machine faces the direction of people, described
Rear to sewing machine is referred to back to the direction of people, described left direction is directed towards the direction of head of sewing machine, described right
To the direction referred to towards sewing machine tail, described upper direction refers to the direction towards sewing machine upper end, described lower direction
Refer to the direction towards sewing machine lower end.
The application provides a kind of Dual-motors Driving feed mechanism, as shown in Fig. 1 or Fig. 3, including the first motor, the second motor
1st, retainer 2 and the feeding tooth 3 being fixed on retainer 2, first motor is connected by Tai Ya mechanisms with the rear end of retainer 2,
For driving retainer 2 and feeding tooth 3 to move back and forth up and down together, second motor 1 passes through the front end of cloth feeding mechanism and retainer 2
Be connected, for driving retainer 2 and feeding tooth 3 is front and rear together moves back and forth, feeding tooth 3 move back and forth up and down with it is front and rear reciprocal
Mobile phase is combined into the work feed motion of feeding tooth 3, by sewing to reach when sewing being transferred or refunded backward when realizing positive seam seam
Send.Therefore, two motors used herein drive Tai Ya mechanisms and cloth feeding mechanism respectively, pass through the motor of independent control second
1 output quantity is that can adjust the amplitude moved back and forth before and after retainer 2 and feeding tooth 3 and direction, so as to realize needle gage adjustment, positive seam
Work feed, the actions such as seam work feed, the transformation of work feed track form are refunded, improve sewing quality.
Further, the cloth feeding mechanism includes feed spool 4 and the retainer being rotatably supported in baseplate of sewing machine
Seat 5, the retainer seat 5 include the retainer seat body 51 being fixed on feed spool 4 and the hinge radially extended along feed spool 4
Socket part 52, feed spool 4 and retainer the seat body 51 is axially extending in the lateral direction, the output shaft of second motor 1
It is connected by gear transmission unit or toothed belt transmission unit with feed spool 4, for driving feed spool 4 using own axes in
Heart line swings back and forth, the front end phase that the articulated section 52 of the retainer seat 5 passes through one or so axially extending retainer pin 15 and retainer 2
It is be hinged.The output shaft of second motor 1 swings back and forth in certain angular range, passes through gear transmission unit or toothed belt transmission
Unit drives feed spool 4 to swing back and forth, and so as to drive the articulated section 52 of retainer seat 5, line is back and forth centered on the axis of feed spool 4
Swing, the swing angle between retainer seat 5 and retainer 2 is changed with this, and then drive retainer 2 and feeding tooth 3 together
Relative to being moved back and forth before and after baseplate of sewing machine.
As shown in Figure 1 to Figure 3, the gear transmission unit includes the driving tooth being fixed on the output shaft of the second motor 1
Wheel 62 and the driven gear 61 being fixed on feed spool 4, the driving gear 62 are meshed with driven gear 61.Second motor 1
Output shaft swing back and forth, drive driving gear 62 swing back and forth, driving gear 62 and driven gear 61 are meshed, so as to drive
Driven gear 61 and feed spool 4 swing back and forth；Meanwhile driving gear 62 and driven gear 61 engage reliably, moreover it is possible to pass through actively
Gearratio between gear 62 and driven gear 61 can reduce the rotating speed that the second motor 1 drives to feed spool 4, play deceleration and make
With.
As shown in Figures 4 to 6, the active that the toothed belt transmission unit includes being fixed on the output shaft of the second motor 1 is same
Step belt wheel 71, the driven synchronous pulley 72 being fixed on feed spool 4 and connection active synchronization belt wheel 71 and driven synchronous pulley
72 the first timing belt 73.The output shaft of second motor 1 swings back and forth, and drives active synchronization belt wheel 71 to swing back and forth, actively together
Step belt wheel 71 drives driven synchronous pulley 72 to swing back and forth by the first timing belt 73, and then drives feed spool 4 to swing back and forth.Adopt
It is driven with toothed belt transmission unit, the cloth feeding mechanism of oil-free lubrication can be achieved, reaches the purpose of clean manufacturing；Meanwhile adopt
After rigid linkage being replaced with the toothed belt transmission unit of flexibility, moreover it is possible to substantially reduce noise and the vibrations of complete machine.
Preferably, second motor 1 preferably uses servomotor, changes the defeated of the second motor 1 by servo controller
Output, in order to metering needle away from, realize refund seam.
Further, Fig. 1, Fig. 3 and Fig. 7 are seen, the Tai Ya mechanisms include the axially extending main shaft 8 in left and right, left and right axially
Feed lifting rock shaft 9, eccentric tooth lifting cam 10, bearing 11 and the lift tooth connecting rod 12 of extension, the output shaft and main shaft 8 of first motor are solid
Fixed connection, the main shaft 8 are connected by transmission mechanism with feed lifting rock shaft 9, and the feed lifting rock shaft 9 is rotatably supported in sewing machine bottom
In plate and feed lifting rock shaft 9 is located at the lower section of main shaft 8, and the eccentric tooth lifting cam 10 includes being fixed on the first company of the end of feed lifting rock shaft 9
Socket part 101 and the second connecting portion 102 being fixed in bearing 11, the first connecting portion 101 and second connecting portion 102 are inclined
The heart is set, and the bearing 11 is fixed in one end of lift tooth connecting rod 12, the other end of lift tooth connecting rod 12 by a lift tooth pin 14 with
The rear end of retainer 2 is hinged.First motor driven main shaft 8 rotates and drives the synchronous axial system of feed lifting rock shaft 9 by transmission mechanism；Lift
Tooth axle 9 drives the synchronous axial system of first connecting portion 101 of eccentric tooth lifting cam 10 so that the second connecting portion of eccentric tooth lifting cam 10
102 and bearing 11 together around the center rotating of first connecting portion 101, and then drive lift tooth connecting rod 12 to do and approximately up and down reciprocatingly move
It is dynamic, it is final to drive retainer 2 and feeding tooth 3 to move back and forth up and down together.In addition, the first connecting portion 101 of eccentric tooth lifting cam 10
The end of feed lifting rock shaft 9 can be tightly fixed on, the end of feed lifting rock shaft 9 can also be fixed on by fasteners such as screws；Partially
The second connecting portion 102 of heart tooth lifting cam 10 can be tightly fixed in bearing 11, can also pass through screw and bearing 11
Fixed, as described in Figure 7, second connecting portion 102 is located in bearing 11, and the left end of second connecting portion 102 is provided with a spacing pad
Piece 16, the diameter of the spacing shim 16 are more than the diameter of second connecting portion 102, and screw 17 penetrates spacing shim 16 and the from left side
It is fixed in two connecting portions 102, therefore spacing shim 16 can also play a part of axial limiting, ensure the accuracy of transmission.
Preferably, the transmission mechanism can be synchronous belt drive mechanism, gear drive, jointed gear unit etc.,
It preferably uses synchronous belt drive mechanism, sees Fig. 8, and the transmission mechanism includes the first synchronous pulley being fixed on main shaft 8
131st, the second synchronous pulley 132 and the first synchronous pulley 131 of connection and the second synchronous pulley 132 being fixed on feed lifting rock shaft 9
The second timing belt 133；The drive synchronous axial system of the first synchronous pulley 131 of main shaft 8, the first synchronous pulley 131 are synchronous by second
Band 133 drives the synchronous axial system of the second synchronous pulley 132, and then drives the synchronous axial system of feed lifting rock shaft 9.
Further, as shown in fig. 7, the lift tooth pin 14 is a cam pin, the He of the first axle part 141 of eccentric setting is included
The second axle part 142, the first axle part 141 are rotatably connected at lift tooth connecting rod 12, and the second axle part 142 is rotatably connected at
Retainer 2；The retainer pin 15 is also a cam pin, successively including the 3rd axle portion 151, the 4th axle portion 152 and the 5th axle portion 153,
3rd axle portion 151 and the eccentric setting of the 4th axle portion 152, the 3rd axle portion 151 and the 5th axle portion 153 are arranged concentrically, and described
Three axle portions 151 and the 5th axle portion 153 are rotatably connected at the articulated section 52 of retainer seat 5, and the 4th axle portion 152 rotationally connects
It is connected to retainer 2.Had the benefit that using eccentric pin connection lift tooth connecting rod 12 and retainer 2 and retainer seat 5 and retainer 2：1st, turn
Dynamic cam pin can lift retainer 2 up or down, and then adjust the height that feeding tooth 3 exposes needle plate, in order to which feeding tooth 3 moves
The adjustment of track；All there is certain foozle in the multiple parts for the 2nd, forming Tai Ya mechanisms and cloth feeding mechanism, therefore whole double electric
It is overall after the completion of machine driving feed mechanism assembling also to have certain foozle, the foozle can cause the first motor and
There is a power transmission error in the driving of the second motor 1, it is impossible to make feeding tooth 3 according to default fortune after being transferred to feeding tooth 3
Dynamic rail mark work feed；After two cam pins are set, biography caused by the foozle of each part can be offset by rotating cam pin
Dynamic error, ensure the accuracy of the movement locus of feeding tooth 3, to improve sewing quality.In addition, for the ease of rotate retainer pin 15 or
Tooth pin 14 is lifted, left end, the left end of lift tooth pin 14 of the retainer pin 15 all offer in-line or criss-cross rotation slot, be easy to
Screwdriver rotates retainer pin 15 or lift tooth pin 14.
Preferably, first motor is the main motor of sewing machine, and the second motor 1 is located at the lower section of the first motor and consolidated
It is scheduled in a motor mount, the motor mount is fixed on the lower surface of bottom plate, so as to reasonably utilize sewing machine
Inner space, the space-consuming for reducing sewing machine.
The present invention also provides a kind of sewing machine, including Dual-motors Driving feed mechanism as described above.
In summary, the Dual-motors Driving feed mechanism and sewing machine that the application is related to have the advantages that：
1st, the application instead of in traditional flat seam machine by a motor-driven feeding connecting rod mechanism, by solenoid actuated
The needle gage controlling organization of Zheng Huifeng mechanisms and cam slide bar type, but drive Tai Ya mechanisms respectively using two motors and give
Cloth mechanism, to complete the motion of the work feed of feeding tooth, its is simple in construction clear, easy to control.
2nd, the application is substituted in traditional flat seam machine by the Zheng Huifeng mechanisms of solenoid actuated using servomotor, therefore the application
Just return seam response speed to greatly improve so that it is more attractive in appearance to refund the sewed reinforcing stitching of seam.
3rd, the application adjusts the swing angle of the output shaft of servomotor, Jin Ershi by servo controller write-in program
Existing needle gage regulation and the transformation of different type work feed track.
4th, the application instead of the needle gage controlling organization of traditional flat seam machine cam slide bar type using servomotor, avoid
The noise because caused by colliding cam slide bar, so as to reduce the vibrations of complete machine and noise.
So the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (6)
1. a kind of Dual-motors Driving feed mechanism, including the first motor, the second motor (1), retainer (2) and it is fixed on retainer (2)
On feeding tooth (3), first motor is connected by Tai Ya mechanisms with one end of retainer (2), and second motor (1) is logical
The other end that cloth feeding mechanism is crossed with retainer (2) is connected, it is characterised in that：The cloth feeding mechanism includes being rotatably supported in seam
Thread the feed spool (4) in machine bottom board and the retainer seat (5) that is fixed on feed spool (4), the output of second motor (1)
Axle is connected with feed spool (4) by gear transmission unit or toothed belt transmission unit and drives feed spool (4) with own axes
Centered on line swing back and forth, the retainer seat (5) is hinged with retainer (2)；The Tai Ya mechanisms include main shaft (8), feed lifting rock shaft
(9), eccentric tooth lifting cam (10), bearing (11) and lift tooth connecting rod (12), the output shaft and main shaft (8) of first motor are fixed
Connection, the main shaft (8) are connected by transmission mechanism with feed lifting rock shaft (9), and the eccentric tooth lifting cam (10) includes being fixed on
The first connecting portion (101) of feed lifting rock shaft (9) end and the second connecting portion (102) being fixed in bearing (11), described first
Connecting portion (101) and second connecting portion (102) eccentric setting, the bearing (11) are fixed in one end of lift tooth connecting rod (12),
The other end of lift tooth connecting rod (12) is hinged with retainer (2)；The other end of the lift tooth connecting rod (12) passes through a lift tooth pin (14)
It is hinged with retainer (2), the lift tooth pin (14) is a cam pin, including the first axle part (141) of eccentric setting and the second axle
Portion (142), the first axle part (141) are rotatably connected at lift tooth connecting rod (12), and the second axle part (142) is rotatably coupled
In retainer (2)；The retainer seat (5) is hinged by a retainer pin (15) with retainer (2), and the retainer pin (15) is one eccentric
Pin, successively including the 3rd axle portion (151), the 4th axle portion (152) and the 5th axle portion (153), the 3rd axle portion (151) and the 4th
Axle portion (152) eccentric setting, the 3rd axle portion (151) and the 5th axle portion (153) are arranged concentrically, the 3rd axle portion (151) and
Five axle portions (153) are rotatably connected at retainer seat (5), and the 4th axle portion (152) is rotatably connected at retainer (2).
2. Dual-motors Driving feed mechanism according to claim 1, it is characterised in that：The gear transmission unit includes solid
The driving gear (62) being scheduled on the output shaft of the second motor (1) and the driven gear (61) being fixed on feed spool (4), it is described
Driving gear (62) is meshed with driven gear (61).
3. Dual-motors Driving feed mechanism according to claim 1, it is characterised in that：The toothed belt transmission unit includes
The active synchronization belt wheel (71) being fixed on the second motor (1) output shaft, the driven synchronous pulley being fixed on feed spool (4)
(72) and connection active synchronization belt wheel (71) and driven synchronous pulley (72) the first timing belt (73).
4. Dual-motors Driving feed mechanism according to claim 1, it is characterised in that：The transmission mechanism includes being fixed on
The first synchronous pulley (131) on main shaft (8), the second synchronous pulley (132) being fixed on feed lifting rock shaft (9) and connection the
The second timing belt (133) of one synchronous pulley (131) and the second synchronous pulley (132).
5. Dual-motors Driving feed mechanism according to claim 1, it is characterised in that：First motor is sewing machine
Main motor, the second motor (1) are located at the lower section of the first motor and are fixed in a motor mount, and the motor mount is consolidated
It is scheduled on the lower surface of bottom plate.
A kind of 6. sewing machine, it is characterised in that：Including the Dual-motors Driving feed mechanism as described in claim any one of 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640537.9A CN105155141B (en) | 2015-09-30 | 2015-09-30 | Dual-motors Driving feed mechanism and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640537.9A CN105155141B (en) | 2015-09-30 | 2015-09-30 | Dual-motors Driving feed mechanism and sewing machine |
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| CN105155141A CN105155141A (en) | 2015-12-16 |
| CN105155141B true CN105155141B (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510640537.9A Active CN105155141B (en) | 2015-09-30 | 2015-09-30 | Dual-motors Driving feed mechanism and sewing machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586723A (en) * | 2016-02-18 | 2016-05-18 | 上海鲍麦克斯电子科技有限公司 | Transmission mechanism of industrial sewing machine |
| CN111074433B (en) * | 2019-12-30 | 2021-11-02 | 杰克缝纫机股份有限公司 | Feeding mechanism of sewing machine and sewing machine with feeding mechanism |
| CN114575052A (en) * | 2020-11-30 | 2022-06-03 | 琦星智能科技股份有限公司 | Feed dog subassembly of disconnect-type sewing machine |
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|---|---|---|---|---|
| CN201512670U (en) * | 2009-08-19 | 2010-06-23 | 曾德松 | Feeding structure of horizontal cylindrical sewing machine |
| EP2325364A2 (en) * | 2009-11-11 | 2011-05-25 | JUKI Corporation | Cloth feeding device of sewing machine |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105155141A (en) | 2015-12-16 |
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Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |