CN101624761B - Elastic yarn conveying device in multi-needle machine - Google Patents
Elastic yarn conveying device in multi-needle machine Download PDFInfo
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- CN101624761B CN101624761B CN2009103053936A CN200910305393A CN101624761B CN 101624761 B CN101624761 B CN 101624761B CN 2009103053936 A CN2009103053936 A CN 2009103053936A CN 200910305393 A CN200910305393 A CN 200910305393A CN 101624761 B CN101624761 B CN 101624761B
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Abstract
The invention provides an elastic yarn conveying device in a multi-needle sewing machine, which belongs to the technical field of machinery and solves inconsistent tightness and other the technical problems during the conveying of a plurality of yarns existing in the prior multi-needle sewing machine yarn clamper. The elastic yarn conveying device of the multi-needle sewing machine comprises an installation base arranged on a stand, wherein a cylindrical drive wheel and a cylindrical pinch roller are fixed on the installation device axially, the axe of the drive wheel is parallel to the axe of the pinch roller, and the drive wheel can freely rotate around the axe of the drive wheel and the pinch roller can freely rotate around the axe of the pinch roller, the pinch roller is pressed on the drive wheel, the shaft of the drive wheel is radically connected with a crank, the crank is connected to a main shaft of the multi-needle sewing machine through a drive mechanism, the rotation of the main shaft enables the crank to swing through the drive mechanism, and a unidirectional clutch mechanism enabling the drive wheel to unidirectionally rotate is arranged between the crank and the drive wheel. The elastic yarn conveying device has synchronization of yarn feeding amount and rotation speed of the machine, ensures consistent tightness of different speeds, and improves the working efficiency of the multi-needle sewing machine because the yarn feeding amount can be adjusted according to different requirements.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of elastic yarn conveying device, the elastic yarn conveying device in particularly a kind of multineedle sewing machine.
Background technology
Multineedle sewing machine is the Sewing machines that can stitch out several line marks simultaneously, has a plurality of syringe needles, and corresponding needlework also are many and carry simultaneously.Many Zhou Suozhi remove linear slit when the essence of multineedle sewing machine is worked to clothing, speed that needlework are carried and quality are very big to its operating efficiency influence.In the market at the technology comparative maturity of the needlework transport of single needle machine, corresponding thread feeding apparatus is also many, but the thread feeding apparatus at multineedle sewing machine does not then have basically, and this key technology problem of line sending quality that therefore how to improve multineedle sewing machine has very big researching value.
Multineedle sewing machine now mainly adopts the many groups tension disk that is dispersed on the coil holder, one group of single line, and have following problem: 1, needlework elasticity under different transporting velocities is inconsistent, and the elasticity of different needlework is also different under same transporting velocity; 2, can't guarantee that the line sending amount is consistent with the syringe needle work rhythm of multineedle sewing machine, needlework often adopt passive mode of movement, are being led by syringe needle, and syringe needle is caused very big infringement; These defectives have caused the multineedle sewing machine operating efficiency not high, and the life-span of syringe needle is short.
Summary of the invention
The objective of the invention is the problems referred to above of existing at existing technology, the elastic yarn conveying device in a kind of reasonable in design, multineedle sewing machine of guaranteeing shirr elasticity unanimity under different transporting velocities is provided.
Purpose of the present invention can realize by following technical proposal: the elastic yarn conveying device in a kind of multineedle sewing machine, comprise rack-mounted mount pad, it is characterized in that, the driving wheel and the pinch roller that can freely rotate around self axis that are installed with axially on the described mount pad that two axial lines is parallel to each other, described driving wheel and pinch roller are cylindrical, described pinch roller is pressed on the driving wheel, radially be connected with crank on the axle of described driving wheel, this crank is connected on the main shaft of multineedle sewing machine by transmission mechanism, the rotation of main shaft makes crank produce swing behind this transmission mechanism, also is provided with the one-way clutch mechanism that can make the driving wheel one-directional rotation between described crank and the driving wheel.
Elastic yarn conveying device operation principle in this multineedle sewing machine is as follows: the shirr of multineedle sewing machine originally is pressed between driving wheel and the pinch roller, power on the main shaft is delivered on the crank by transmission mechanism, and rotatablely moving on the main shaft is converted into oscillating motion on the crank, and crank drives the driving wheel one-directional rotation by one-way clutch mechanism.When the swaying direction of crank and the work of driving wheel turn to when consistent, one-way clutch mechanism drives driving wheel and rotates, and at this moment driving wheel is carried shirr; When the swaying direction of crank and drive wheel works direction of rotation, one-way clutch mechanism and driving wheel break away from, and at this moment driving wheel is in halted state.It is consistent when driving wheel rotates with the main shaft rhythm of multineedle sewing machine, the conveying capacity of shirr is mainly determined by main shaft, the syringe needle of multineedle sewing machine also is to be driven by the power on the main shaft, the consumption with on the syringe needle that makes the conveying capacity of shirr to regulate like this is consistent, make the shirr elasticity under different transporting velocities on the machine consistent all the time, improved the operating efficiency of multineedle sewing machine.
In the elastic yarn conveying device in above-mentioned multineedle sewing machine, described one-way clutch mechanism comprises driving wheel and the roller that two axial lines is parallel, the rotating shaft of driving wheel links to each other with crank, described driving wheel end face has the cylindrical cavity coaxial with it, described driving wheel and roller are positioned at inner chamber, this driving wheel and its side coaxial with inner chamber has the cam surface that relative its axle center increases progressively eccentric throw one by one, described roller contacts with cam surface, and turn to when consistent when driving wheel and drive wheel works, roller is stuck with the inwall of driving wheel and above-mentioned inner chamber, when driving wheel and drive wheel works switched in opposite, roller and driving wheel can freely rotate in inner chamber.
The original position of cam surface arrives the distance in driving wheel axle center less than its final position to the distance in driving wheel axle center, like this when rolling near the original position of roller on cam surface, the side of roller also has certain clearance between the inwall of the inner chamber of driving wheel, roller and driving wheel can freely rotate in inner chamber, and at this moment driving wheel is not driven; In the time of near roller is rolled to the cam surface final position, because cam surface is eccentric one by one, gap between the inwall of roller and inner chamber is more and more littler, inwall chucking until roller and inner chamber, driving link forms one by roller with driving wheel like this, driving link drives driving wheel and rotates, and the rotation direction of this moment is consistent with the work rotation direction of driving wheel.When driving link reversed, roller rolled towards the original position of cam surface, and the inwall with inner chamber breaks away from gradually, and driving force is recovered inactive state.
In the elastic yarn conveying device in above-mentioned multineedle sewing machine, also be provided with between described driving wheel and the pinch roller and can adjust the guiding mechanism of thrust between the two.The major function of this guiding mechanism is to regulate the pressure of pinch roller to the shirr of different thicknesses, prevents that the pressure on the thick shirr is excessive.
In the elastic yarn conveying device in above-mentioned multineedle sewing machine, described guiding mechanism comprise axially be installed on the mount pad and with the cross bar that can rotate around self axis of live axle line parallel, this cross bar is installed with support plate along diametric(al), above-mentioned wheel pressing shaft is to being installed on the support plate, and described crossbar end is installed with can be with its keeper of circumferentially locating.Pinch roller is not directly to be fixed on the mount pad, but be fixed on the support plate of cross bar, between the axis of pinch roller and the axis of cross bar certain distance is arranged, rotating horizontal pole is made around the cross bar axis pinch roller and is revolved round the sun, so just can regulate the distance of shaft centers of pinch roller and driving wheel, and then regulate the pressure that is pressed on the shirr.
In the elastic yarn conveying device in above-mentioned multineedle sewing machine, described keeper is provided with chute, being equipped with in this chute can be along the dog screw of its slip, and described dog screw is screwed onto on the mount pad and can keeper be fixed on the mount pad by tightening of self.When dog screw is not tightened, cross bar can drive keeper and rotate, and dog screw slided along chute when keeper rotated, when cross bar turns to suitable position, the screwed in place screw is fixed on keeper on the mount pad, and keeper has just circumferentially been located cross bar like this.
In the elastic yarn conveying device in above-mentioned multineedle sewing machine, described transmission mechanism comprises and is arranged on the multineedle sewing machine main shaft end face connecting rod that axle center relatively is in the slide block of eccentric position and is used for transferring power, described connecting rod one end links to each other with slide block, and the other end links to each other with above-mentioned crank.The rotational motion with on the main shaft of connecting rod is converted into the oscillating motion on the crank.
In the elastic yarn conveying device in above-mentioned multineedle sewing machine, described crank is provided with gathering sill, being provided with in this gathering sill can be along the guide pad of gathering sill slip, described guide pad is provided with the hold-down screw that can be fixed on the gathering sill, and above-mentioned connecting rod links to each other with guide pad on the crank.After unclamping hold-down screw, guide pad can slide in the gathering sill on crank, can regulate the pivot angle of crank.
In the elastic yarn conveying device in above-mentioned multineedle sewing machine, the main shaft end face of described multineedle sewing machine is provided with rectangular holddown groove along diametric(al), above-mentioned Slipper is positioned at holddown groove and can slides at holddown groove, establish lock-screw on this slide block, this lock-screw is fixed on slide block in the holddown groove.After unclamping lock-screw, slide block can slide in holddown groove, is in the pivot angle that different eccentric positions can be regulated crank.
In the elastic yarn conveying device in above-mentioned multineedle sewing machine, described connecting rod is connected with being connected to of slide block and guide pad is universal.Universal connection can be arbitrarily around a spot wobble, can be better with the transmission of power on the connecting rod to crank.
In the elastic yarn conveying device in above-mentioned multineedle sewing machine, be installed with the inlet wire plate and the outlet board that are strip on the described mount pad, this inlet wire plate side is provided with several entrance holes and is positioned at the driving wheel outside, described outlet board side is provided with several wire holes and is positioned at the pinch roller outside, and described entrance hole is identical with wire hole quantity and corresponding one by one.The entrance hole that shirr passes earlier on the inlet wire plate arrives driving wheel then, goes out by the wire hole on the outlet board again, becomes more steady like this in course of conveying.
In the elastic yarn conveying device in above-mentioned multineedle sewing machine, have annular knurl one on the described driving wheel lateral surface, described pinch roller lateral surface has annular knurl two.The effect of annular knurl is the frictional force that increases shirr.
Compared with prior art, the elastic yarn conveying device in this multineedle sewing machine has replaced being dispersed in originally the many groups tension disk on the coil holder, has saved part; The assembling of this device and machine is in aggregates, and is not only easy for installation but also be that the structure of complete machine is more compact; The velocity of rotation of line sending amount and machine is synchronous, guarantees different speed elasticity unanimities; The size of line sending amount can be according to different requirement adjustment, and is efficient and convenient, improved the operating efficiency of multineedle sewing machine.
Description of drawings
Fig. 1 is the integral body assembling schematic diagram of multineedle sewing machine.
Fig. 2 is the elastic yarn conveying device structural upright schematic diagram in the multineedle sewing machine.
Fig. 3 is the elastic yarn conveying device structure side view in the multineedle sewing machine.
Fig. 4 is the assembling schematic diagram of driving wheel and crank section.
Fig. 5 is the A-A cutaway view among Fig. 4.
Among the figure, 1, mount pad; 2, driving wheel; 2a, inner chamber; 3, pinch roller; 4, crank; 4a, gathering sill; 4b, guide pad; 4c, hold-down screw; 5, main shaft; 5a, holddown groove; 6, driving wheel; 6a, cam surface; 7, roller; 8, spring; 9, cross bar; 9a, support plate; 10, keeper; 10a, chute; 10b, dog screw; 11, inlet wire plate; 11a, entrance hole; 12, outlet board; 12a, wire hole; 13, annular knurl one; 13a, annular knurl two; 14, slide block; 14a, lock-screw; 15, connecting rod.
The specific embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figure 1, the elastic yarn conveying device in this multineedle sewing machine is positioned near the main shaft 5 of multineedle sewing machine, comprises mount pad 1, driving wheel 2, one-way clutch mechanism, pinch roller 3, crank 4, guiding mechanism and transmission mechanism etc.
Specifically, as shown in Figure 2, mount pad 1 is arranged on the frame, be the U font, axially be installed with the driving wheel 2 that can freely rotate around self axis on the mount pad 1, driving wheel 2 is cylindrical, the surface has annular knurl 1, and the end face at two ends has the cylindrical cavity 2a concentric with it.
As shown in Figure 3, also be provided with parallel with the driving wheel 2 axis cross bar 9 that can rotate around self axis on the mount pad 1, radial direction is provided with two support plate 9a on the cross bar 9, support plate 9a is provided with the pinch roller 3 parallel with cross bar 9 axis, pinch roller 3 is cylindrical, the surface has annular knurl two 13a, and pinch roller 3 is pressed in the surface of driving wheel 2.The end of cross bar 9 is provided with that be installed with can be with its circumferential keeper 10 of location, keeper 10 is provided with chute 10a, being equipped with in this chute 10a can be along the dog screw 10b of its slip, and dog screw 10b is screwed onto on the mount pad 1 and can keeper 10 be fixed on the mount pad 1 by tightening of self.When dog screw 10b does not tighten, cross bar 9 can drive keeper 10 and rotate, dog screw 10b slided along chute 10a when keeper 10 rotated, when cross bar 9 turns to suitable position, screwed in place screw 10b is fixed on keeper 10 on the mount pad 1, and keeper 10 has just circumferentially been located cross bar 9 like this.Because pinch roller 3 is not directly to be fixed on the mount pad 1, but be fixed on the support plate 9a of cross bar 9, certain distance is arranged between the axis of the axis of pinch roller 3 and cross bar 9, rotating horizontal pole 9 is made around cross bar 9 axis pinch roller 3 and is revolved round the sun, so just can regulate the distance of shaft centers of pinch roller 3 and driving wheel 2, and then regulate the pressure that is pressed on the shirr.
As shown in Figure 4 and Figure 5, be respectively equipped with an one-way clutch mechanism in the inner chamber 2a at the two ends of driving wheel 2.One-way clutch mechanism comprises two axial lines parallel driving wheel 6 and roller 7, the rotating shaft of driving wheel 6 links to each other with crank 4, driving wheel 2 end faces have the cylindrical cavity 2a coaxial with it, driving wheel 6 and roller 7 are positioned at inner chamber 2a, this driving wheel 6 and its side coaxial with inner chamber 2a has the cam surface 6a that three relative its axle center increase progressively eccentric throw one by one, roller 7 rolls on cam surface 6a, and turn to when consistent when 2 work of driving wheel 6 and driving wheel, roller 7 is stuck with the inwall of driving wheel 6 and above-mentioned inner chamber 2a, when driving wheel 6 was worked switched in opposite with driving wheel 2, driving wheel 6 can freely rotate in inner chamber 2a.
The original position of cam surface 6a arrives the distance in driving wheel 6 axle center less than its final position to the distance in driving wheel 6 axle center, cam surface 6a original position has a protuberance, roller 7 is provided with spring 8 with between the protuberance, and spring 8 makes the roller 7 metastable a certain positions that are on the cam surface 6a.When rolling near the original position of roller 7 on cam surface 6a, the side of roller 7 also has certain clearance between the inwall of the inner chamber 2a of driving wheel 2, and roller 7 can freely rotate in inner chamber 2a with driving wheel 6, and at this moment driving wheel 2 is not driven; In the time of near roller 7 is rolled to cam surface 6a final position, because cam surface 6a's is eccentric one by one, gap between the inwall of roller 7 and inner chamber 2a is more and more littler, until the inwall chucking of roller 7 with inner chamber 2a, driving link forms one by roller 7 with driving wheel 2 like this, driving link drives driving wheel 2 and rotates, and the rotation direction of this moment is consistent with the work rotation direction of driving wheel 2.When driving link reversed, roller 7 rolled towards the original position of cam surface 6a, and the inwall with inner chamber 2a breaks away from gradually, and driving force is recovered inactive state.
One end of crank 4 links to each other with the axle of driving wheel 6, itself be provided with gathering sill 4a, being provided with in this gathering sill 4a can be along the guide pad 4b of gathering sill 4a slip, guide pad 4b is provided with the hold-down screw 4c that can be fixed on the gathering sill 4a, and the guide pad 4b on the crank 4 links to each other with an end of connecting rod 15.After unclamping hold-down screw 4c, guide pad 4b can slide in the gathering sill 4a on the crank 4, can regulate the pivot angle of crank 4.
The other end of connecting rod 15 links to each other with slide block 14 on the main shaft 5, main shaft 5 end faces of multineedle sewing machine are provided with rectangular holddown groove 5a along diametric(al), slide block 14 parts are positioned at holddown groove 5a and can slide at holddown groove 5a, slide block 14 axle center of relative main shaft 5 all the time is on the eccentric position, establish lock-screw 14a on this slide block 14, lock-screw 14a is fixed on slide block 14 in the holddown groove 5a.After unclamping lock-screw 14a, slide block 14 can slide in holddown groove 5a, is in the pivot angle that different eccentric positions can be regulated crank 4.Connecting rod 15 is connected to universal the connection with slide block 14 and guide pad 4b's, universal connection can be arbitrarily around a spot wobble, can be better with the transmission of power on the connecting rod 15 to crank 4.Slide block 14 on above crank 4, connecting rod 15 and the main shaft 5 is converted into oscillating motion on the crank 4 with the rotational motion on the main shaft 5.
Be installed with the inlet wire plate 11 and the outlet board 12 that are strip on the mount pad 1, inlet wire plate 11 sides are provided with several entrance holes 11a and are positioned at driving wheel 2 outsides, outlet board 12 sides are provided with several wire holes 12a and are positioned at pinch roller 3 outsides, and entrance hole 11a is identical with wire hole 12a quantity and corresponding one by one.The entrance hole 11a that shirr passes earlier on the inlet wire plate 11 arrives driving wheel 2 then, goes out by the wire hole 12a on the outlet board 12 again, becomes more steady like this in course of conveying.
Elastic yarn conveying device operation principle in this multineedle sewing machine is as follows: the shirr of multineedle sewing machine originally is pressed between driving wheel 2 and the pinch roller 3, power on the main shaft 5 is delivered on the crank 4 by slide block 14 and connecting rod 15, and rotatablely moving on the main shaft 5 is converted into oscillating motion on the crank 4, and crank 4 drives driving wheel 2 one-directional rotation by one-way clutch mechanism.When the swaying direction of crank 4 and the work of driving wheel 2 turn to when consistent, one-way clutch mechanism drives driving wheel 2 and rotates, and at this moment 2 pairs of shirrs of driving wheel are carried; When the swaying direction of crank 4 and driving wheel 2 work direction of rotation, one-way clutch mechanism and driving wheel 2 disengagings, at this moment driving wheel 2 is in halted state.It is consistent when driving wheel 2 rotates with main shaft 5 rhythm of multineedle sewing machine, the conveying capacity of shirr is mainly by main shaft 5 decisions, the syringe needle of multineedle sewing machine also is to be driven by the power on the main shaft 5, the consumption with on the syringe needle that makes the conveying capacity of shirr to regulate like this is consistent, make the shirr elasticity under different transporting velocities on the machine consistent all the time, improved the operating efficiency of multineedle sewing machine.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. the elastic yarn conveying device in the multineedle sewing machine, comprise rack-mounted mount pad (1), it is characterized in that, the driving wheel (2) and the pinch roller (3) that can freely rotate around self axis that are installed with axially on the described mount pad (1) that two axial lines is parallel to each other, described driving wheel (2) and pinch roller (3) are cylindrical, described pinch roller (3) is pressed on the driving wheel (2), radially be connected with crank (4) on the axle of described driving wheel (2), this crank (4) is connected on the main shaft (5) of multineedle sewing machine by transmission mechanism, the rotation of main shaft (5) makes crank (4) produce swing behind this transmission mechanism, also is provided with the one-way clutch mechanism that can make driving wheel (2) one-directional rotation between described crank (4) and the driving wheel (2).
2. the elastic yarn conveying device in the multineedle sewing machine according to claim 1, it is characterized in that, described one-way clutch mechanism comprises parallel driving wheel of two axial lines (6) and roller (7), the rotating shaft of driving wheel (6) links to each other with crank (4), described driving wheel (2) end face has the cylindrical cavity coaxial with it (2a), described driving wheel (6) and roller (7) are positioned at inner chamber (2a), this driving wheel (6) and its side coaxial with inner chamber (2a) has the cam surface (6a) that relative its axle center increases progressively eccentric throw one by one, described roller (7) contacts with cam surface (6a), and turn to when consistent when the work of driving wheel (6) and driving wheel (2), roller (7) is stuck with the inwall of driving wheel (6) and above-mentioned inner chamber (2a), when driving wheel (6) was worked switched in opposite with driving wheel (2), roller (7) and driving wheel (6) can freely rotate in inner chamber (2a).
3. the elastic yarn conveying device in the multineedle sewing machine according to claim 2 is characterized in that, also is provided with between described driving wheel (2) and the pinch roller (3) and can adjusts the guiding mechanism of thrust between the two.
4. the elastic yarn conveying device in the multineedle sewing machine according to claim 3, it is characterized in that, described guiding mechanism comprises and is installed in axially that mount pad (1) is gone up and parallel with driving wheel (2) the axis cross bar (9) that can rotate around self axis, this cross bar (9) is installed with support plate (9a) along diametric(al), above-mentioned pinch roller (3) axially is installed on the support plate (9a), and described cross bar (9) end is installed with can be with its keeper (10) of circumferentially locating.
5. the elastic yarn conveying device in the multineedle sewing machine according to claim 4, it is characterized in that, described keeper (10) is provided with chute (10a), being equipped with in this chute (10a) can be along the dog screw (10b) of its slip, and described dog screw (10b) is screwed onto mount pad (1) and goes up and can keeper (10) be fixed on the mount pad (1) by tightening of self.
6. according to the elastic yarn conveying device in claim 1 or 2 or 3 or the 4 or 5 described multineedle sewing machines, it is characterized in that, described transmission mechanism comprises and is arranged on multineedle sewing machine main shaft (5) end face connecting rod (15) that axle center relatively is in the slide block (14) of eccentric position and is used for transferring power, described connecting rod (15) one ends link to each other with slide block (14), and the other end links to each other with above-mentioned crank (4).
7. the elastic yarn conveying device in the multineedle sewing machine according to claim 6, it is characterized in that, described crank (4) is provided with gathering sill (4a), being provided with in this gathering sill (4a) can be along the guide pad (4b) of gathering sill (4a) slip, described guide pad (4b) is provided with the hold-down screw (4c) that can be fixed on the gathering sill (4a), and above-mentioned connecting rod (15) links to each other with guide pad (4b) on the crank (4).
8. the elastic yarn conveying device in the multineedle sewing machine according to claim 7, it is characterized in that, the main shaft of described multineedle sewing machine (5) end face is provided with rectangular holddown groove (5a) along diametric(al), above-mentioned slide block (14) part is positioned at holddown groove (5a) and can slides at holddown groove (5a), establish lock-screw (14a) on this slide block (14), this lock-screw (14a) is fixed on slide block (14) in the holddown groove (5a).
9. the elastic yarn conveying device in the multineedle sewing machine according to claim 6, it is characterized in that, be installed with the inlet wire plate (11) and the outlet board (12) that are strip on the described mount pad (1), this inlet wire plate (11) side is provided with several entrance holes (11a) and is positioned at driving wheel (2) outside, described outlet board (12) side is provided with several wire holes (12a) and is positioned at pinch roller (3) outside, and described entrance hole (11a) is identical and corresponding one by one with wire hole (12a) quantity.
10. the elastic yarn conveying device in the multineedle sewing machine according to claim 9 is characterized in that, has annular knurl one (13) on described driving wheel (2) lateral surface, and described pinch roller (3) lateral surface has annular knurl two (13a).
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| CN2009103053936A CN101624761B (en) | 2009-08-07 | 2009-08-07 | Elastic yarn conveying device in multi-needle machine |
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| CN2009103053936A CN101624761B (en) | 2009-08-07 | 2009-08-07 | Elastic yarn conveying device in multi-needle machine |
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| CN101624761B true CN101624761B (en) | 2011-12-07 |
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| CN103061050A (en) * | 2012-12-20 | 2013-04-24 | 浙江依爱夫游戏装文化产业有限公司 | Rubber string conveying device of overlocking device |
| CN105069387B (en) * | 2015-09-06 | 2017-08-04 | 青岛酷特智能股份有限公司 | Wire size identifying system and method |
| CN105113136B (en) * | 2015-09-30 | 2018-03-06 | 杰克缝纫机股份有限公司 | Sewing machine feeding mechanism and sewing machine |
| CN105113152B (en) * | 2015-09-30 | 2018-04-17 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN105088547B (en) * | 2015-09-30 | 2018-11-27 | 杰克缝纫机股份有限公司 | Sewing machine feed lifting feeding mechanism and sewing machine |
| CN105671774A (en) * | 2016-04-25 | 2016-06-15 | 湖北广艺纺织科技集团有限公司 | Elastic yarn regulator for glove knitting machine |
| CN110438673A (en) * | 2019-08-23 | 2019-11-12 | 浙江澳饰实业有限公司 | The sewing machine of edge-pressing strip |
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Effective date of registration: 20191028 Address after: Room 313, administrative service center, No.9, east section of Jianan Avenue, Taizhou City, Zhejiang Province Patentee after: Zhejiang Zhensheng Sewing Machinery Co., Ltd Address before: Taizhou City, Zhejiang province 318010 Jiaojiang Xiachen street, Airport Road No. 19 Patentee before: Zhejiang Qingben Sewing Machine Co., Ltd. |
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