CN107700080A - A kind of 3D sewing chain-type stitch off-line controlling organizations and method - Google Patents
A kind of 3D sewing chain-type stitch off-line controlling organizations and method Download PDFInfo
- Publication number
- CN107700080A CN107700080A CN201711060805.5A CN201711060805A CN107700080A CN 107700080 A CN107700080 A CN 107700080A CN 201711060805 A CN201711060805 A CN 201711060805A CN 107700080 A CN107700080 A CN 107700080A
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- CN
- China
- Prior art keywords
- eedle
- crochet hook
- sewing
- shank
- block
- Prior art date
- 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
- D05B19/00—Programme-controlled sewing machines
- D05B19/02—Sewing machines having electronic memory or microprocessor control unit
- D05B19/12—Sewing machines having electronic memory or microprocessor control unit characterised by control of operation of machine
- D05B19/14—Control of needle movement, e.g. varying amplitude or period of needle movement
Abstract
The invention discloses a kind of 3D sewing chain-type stitch off-line controlling organizations and method, including sewing machine head and movable block, sewing machine head is provided with the first driving means for driving movable block transverse shifting；Movable block is provided with two longitudinal holes, installs shank and presser bar respectively in two longitudinal holes, shank lower end is provided with eedle, and presser bar lower end is provided with presser feet；The shank upper end connects a needle bar crank by connecting rod, and needle bar crank drives shank to move up and down by upper axis connection to the upper spindle motor for being fixed on sewing machine head, upper spindle motor；Also include centering block and crochet hook, crochet hook is arranged on centering block, and centering block drives crochet hook to be swung with respect to eedle；In swing process, crochet hook enters the hooking position of eedle；The frequency that eedle moves up and down is consistent with the hunting frequency of crochet hook.The present invention, to establish or destroy the relativeness between eedle and crochet hook, completes the stitching that the braiding of normal chain type sewing or formation can scatter using transverse shifting of the eedle with respect to crochet hook.
Description
Technical field
The invention belongs to sewing machine field, more particularly to a kind of 3D sewing chain-type stitch off-line controlling organizations and method.
Background technology
The suitable maturation of currently common sewing device, by fix sewing device using sewing material motion in a manner of come
Sewing.With the development of society, people propose more requirements to stitching process, 3D sewing is exactly one of which.3D sews
It is exactly that solid is sewed, the sewing piece that this sewing needle is required higher three-dimensional fitting or three-dimensional, and there is more complicated stand
Body surface configuration, correspondingly, suture track are also more complicated, it is difficult to such sewing piece is put into sewing device suture it is reinflated
Obtain good and consistent three-dimensional appearance.Therefore, traditional sewing mode can not meet the requirement of 3D sewing, it is necessary to by sewing piece
It is fixed into target shape and sewing device moves along sewing path, can preferably completes to sew.
Applicant has applied for a kind of 3D sewing mechanisms of Patent No. 201610983868.7, including sewing machine head before,
Slide rail is fixed with sewing machine head, slide rail is provided with matched sliding block；Feed screw nut's fixed block is installed with sliding block,
A feed screw nut is fixed on feed screw nut's fixed block, feed screw nut is connected by screw mandrel, shaft coupling with lead screw motor, lead screw motor
It is fixed on sewing machine head；Feed screw nut's fixed block is connected by contiguous block with movable block, and lead screw motor passes through screw mandrel spiral shell
Master tape moves movable block and moved forward and backward along slide rail；The movable block is provided with two longitudinal holes, pacifies respectively in two longitudinal holes
Dress shank and presser bar, the shank lower end are provided with eedle, and presser bar lower end is provided with presser feet；Feed screw nut's fixed block
On shank travelling carriage is installed, shank travelling carriage is provided with the sliding groove of longitudinal direction, and shank sliding block is provided with sliding groove, and shank is slided
Block is connected by connecting rod one end with the shank joint being fixed on shank；The other end of the connecting rod is fixed by thread take-up crank
Onto needle bar crank, needle bar crank drives shank by upper axis connection to the upper spindle motor for being fixed on sewing machine head, upper spindle motor
Move up and down.The realization of 3D sewing is fully met, the loading demands of robot are also reduced, improve the stability of equipment.
In 3D sews implementation process, in order to which sewing process is continued as far as possible, it is not necessary to which often more thread-changing shuttle etc. influences
Process during machine, so employ the method for double thread chain-type sewing, a such a big ball of string can be not have to thread-changing for one day, during reduction
Between waste.
But 3d space is sewed, sewing result can not influence the shape of former curved surface, and sewing, which starts front wires and bottom line, to be needed
Separate, because chain type walks out sewing object ending into handle shape, unlike sealing rice bag gauffer, also it doesn't matter；Sewing is cut after terminating
Handle is to scatter afterwards, can not so be automatically performed the sewing in next cycle, so need a kind of method to solve
The problem of scattering of double thread chain-type.
The content of the invention
It is an object of the invention to provide a kind of 3D of problem of scattering that can solve the problem that double thread chain-type sewing chain-type stitch off-lines
Controlling organization and method.
In order to realize first purpose, the technical scheme is that：A kind of 3D sewing chain-type stitch off-line controlling organization,
Including sewing machine head and movable block, sewing machine head is provided with the first driving means for driving movable block transverse shifting；The activity
Block is provided with two longitudinal holes, installs shank and presser bar in two longitudinal holes respectively, and the shank lower end installation is organic
Pin, presser bar lower end are provided with presser feet；The shank upper end connects a needle bar crank by connecting rod, and needle bar crank is connected by upper axle
The upper spindle motor for being fixed on sewing machine head is connected to, upper spindle motor drives shank to move up and down；It is characterized in that：Also include centering block and
Crochet hook, crochet hook are arranged on centering block, and centering block is fixed in lower axle, and the lower axle is connected with upper axle, and centering block is driven by lower axle,
Crochet hook is driven to be swung with respect to eedle；The crochet hook position is corresponding with eedle position, and in swing process, crochet hook enters the hook of eedle
Line position；The frequency that the eedle moves up and down is consistent with the hunting frequency of crochet hook.
Further, the first driving means include a slide rail, and slide rail is fixed on sewing machine head, slide rail be provided with
Cooperation sliding block；Feed screw nut's fixed block is installed with sliding block, a feed screw nut, silk are fixed on feed screw nut's fixed block
Stem nut is connected by screw mandrel, shaft coupling with lead screw motor, and lead screw motor is fixed on sewing machine head；The feed screw nut fixes
Block is connected by contiguous block with movable block, and lead screw motor drives movable block along slide rail transverse shifting by feed screw nut.
Further, a shank travelling carriage is fixed on feed screw nut's fixed block, shank travelling carriage is provided with longitudinal direction
Sliding groove, is provided with shank sliding block in sliding groove, and shank sliding block passes through connecting rod one end and the shank joint phase that is fixed on shank
Connection；The other end of the connecting rod is fixed on needle bar crank by thread take-up crank.
Further, the movable block top is additionally provided with a cross through hole perpendicular with longitudinal hole, the transverse direction
Sliding pair is installed, the slide bar of sliding pair is fixed on sewing machine head, and slide bar and slide rail and screw mandrel are parallel to each other in through hole.
In order to realize second purpose, the technical scheme is that：A kind of 3D sewing chain-type stitch off-line control method,
It is characterized in that：During normal sewing, eedle is pierced into sewing object from top to bottom, meanwhile, crochet hook synchronous hunting, into the hook line of eedle
Position carries out hook line work, and subsequent crochet hook leaves the hooking position of eedle, and eedle leaves sewing object；Continue chain type sewing, pull out
One section of plait shape fabric；In a cycle of having sewed, it is necessary to during loose wire, eedle is rested on into extreme higher position, and drive eedle to carry on the back
Off-hook pin transverse shifting so that when eedle declines, the hook line position that crochet hook cannot be introduced into eedle is fixed；Then, eedle completes one
Secondary up and down action, crochet hook are normally swung once, and crochet hook can not catch on upper thread so as to complete off-line process；After completing knocking over, eedle
Return to the position normally sewed so that when eedle declines, crochet hook swings into the hook line position of eedle, restarts normally to sew
Work.
Further, when normally sewing, upper spindle motor drives upper axle to rotate, and needle bar crank, connecting rod is driven, so as to affect pin
Bar, eedle, the process that an eedle is pierced into sewing object from top to bottom is completed, meanwhile, lower axle drives centering block to be swung towards eedle direction,
So that the hook line position that crochet hook enters eedle carries out hook line work.
Further, eedle is rested on into extreme higher position, it is necessary to during loose wire in a cycle of having sewed, then first driven
Dynamic device drives movable block transverse shifting, so that the lateral separation increase between eedle and crochet hook；Then upper spindle motor band
Dynamic upper axle rotates, and is moved up and down so as to complete an eedle, meanwhile, lower axle drives centering block to be swung once towards eedle direction, crochet hook
It cannot be introduced into the hook line position of eedle so that crochet hook can not catch on upper thread and can not form the stitching that can not completely scatter, and complete
Off-line process.
Movable presser bar, shank are installed, installation direction is perpendicular to slide rail, cunning on the movable block of sewing machine head of the present invention
Bar, presser bar and shank can move up and down；Shank joint on shank is connected through connecting rod with shank sliding block, shank sliding block
It is constrained in the sliding groove of shank travelling carriage, shank is acted on by sliding groove, can only be done under the pulling of connecting rod up and down
Slide, so as to drive the eedle on shank to move together, complete sewing process.Upper axle passes through 1:1 drive connection is arrived down
On axle, crochet hook fixed on centering block is done amplitude of oscillation motion, make on eedle next time, crochet hook is swung once, between eedle and crochet hook
Can meet the needs of hook line, complete normal sewing.
Then sewing process starts to sew first to need to enter sewing part, a vertical masonry joint goes out sew part untill, when stitching out sewing
Due to being chain type sewing during part, the plait of sewing thread can be formed, is opened if now cutting the new sewing part that can not be initially entered
Begin second to sew, so in trimming being previously required to handle to open, i.e. knocking over is easy to second of automatic sewing sewing machine to open
The sewing of the workpiece of beginning.When sewing part of sewing out may proceed to one section of handle of sewing, knocking over is then completed, is done for second sewing
Prepare.
Eedle moves up and down and to realize the transverse shifting synchronously needed except having during normal sewing, and between crochet hook
In the presence of the synchronized relation of swing；When needing to do knocking-over action, first complete normal sewing action to eedle return to peak when,
The traversing relation of up and down motion relation and eedle of eedle no longer links, and eedle is shifted to the direction away from crochet hook and fixed, and on eedle
Interaction relation between lower motion and crochet hook is still present, and crochet hook is swung once next time on eedle, because eedle leaves crochet hook
Position when synchronous, crochet hook can not get at eedle hook line position and can not form sewing thread trace in this action, so line quilt
Disengage.
The present invention is in the case of normal sewing, and crochet hook swings the hook line position that can enter eedle, and such chain type sewing can
To complete hook line, and continuously sew；, it is necessary to which trimming, loose wire, start again subsequently into starting position after a cycle of having sewed
New a cycle, in order to solve this problem, it is necessary to during loose wire, extreme higher position is rested on by eedle, then passes through screw mandrel electricity
Machine, rotary screw rod, movable block is moved to the left, the relativeness destroyed between eedle and crochet hook so that when eedle declines, hook
Pin cannot be introduced into the hook line position of eedle, cause crochet hook can not hook upper thread and can not form the stitching that can not completely scatter, when
When crochet hook does not tangle upper thread, so that it may so that upper thread and bottom line are easily pulled open in the place of dropped stitch.The present invention is relative using eedle
The transverse shifting of crochet hook, to establish or destroy the relativeness between eedle and crochet hook, complete the sewing of normal chain type braiding or
Form the stitching that can be scattered.
Brief description of the drawings
It is described in further detail below in conjunction with accompanying drawing and embodiments of the present invention
Fig. 1 is the structural representation of the present invention（Hide crochet hook part）；
Fig. 2, Fig. 3 are the internal structure schematic diagram of the present invention（Hide crochet hook part）；
Fig. 4 is the relation schematic diagram between eedle and crochet hook when the present invention normally sews；
Relation schematic diagram when Fig. 5 is off-line state of the present invention between eedle and crochet hook；
Double thread chain-type schematic diagram when Fig. 6 sews for the present invention is normal；
Fig. 7 is double thread chain-type schematic diagram in the case of off-line of the present invention.
In figure mark for：Shank sliding block 1, shank travelling carriage 2, feed screw nut's fixed block 3, slide rail 4, sliding block 5, housing 6, silk
Bar 7, contiguous block 8, shaft coupling 9, lead screw motor 10, feed screw nut 11, presser bar 12, upper axle 13, presser feet 14, eedle 15, shank
16th, connecting rod 17, shank joint 18, movable block 19, slide bar 20, needle bar crank 21, take-up pole crank 22, centering block 23, crochet hook 24.
Embodiment
Referring to accompanying drawing.The present embodiment includes the housing 6 of sewing machine, and slide rail 4 is fixed with housing 6, and slide rail 4 is provided with therewith
The sliding block 5 of cooperation；Feed screw nut's fixed block 3 is installed with sliding block 5, a feed screw nut is fixed on feed screw nut's fixed block 3
11, feed screw nut 11 is arranged on screw mandrel 7, and screw mandrel 7 is connected through shaft coupling 9 with lead screw motor 10, and lead screw motor 10 is fixed on shell
On body 6；Feed screw nut's fixed block 3 is connected by contiguous block 8 with movable block 19, and lead screw motor 10 passes through the band of feed screw nut 11
Movable block 19 is moved along the transverse shifting of slide rail 4；
The movable block 19 is provided with two longitudinal holes, and being respectively provided with two longitudinal holes can the accurate shank 16 slided
With presser bar 12, shank 16 and presser bar 12 is set to be moved forward and backward with sliding shoe 19, holes direction is perpendicular to slide bar direction；Institute
State the lower end of shank 16 and eedle 15 is installed, the lower end of presser bar 12 is provided with presser feet 14；Another is provided with movable block 19 again
Cross through hole, direction is vertical with the mating holes of shank 16 and presser bar 12, and parallel with the slide rail 4 after assembling and screw mandrel 7, described
Sliding pair is installed, the slide bar 20 of sliding pair is fixed on housing 6, stable before and after guarantee movable block 19 in cross through hole；
Shank travelling carriage 2 is installed, shank travelling carriage 2 is provided with the sliding groove of longitudinal direction, in sliding groove on feed screw nut's fixed block 3
Shank sliding block 1 is installed, shank sliding block 1 is connected by the one end of connecting rod 17 with the shank joint 18 being fixed on shank 16；Institute
The other end for stating connecting rod 17 is fixed on needle bar crank 21 by thread take-up crank 22, and needle bar crank 21 is connected to solid by upper axle 13
The upper spindle motor of housing 6 is scheduled on, by the effect for driving upper spindle motor continuously to rotate, shank 16 is finally moved and moves up and down, drive
Eedle 15 on shank moves together, to complete sewing process.
The present embodiment also includes centering block 23 and crochet hook 24, and crochet hook 24 is arranged on centering block 23, and centering block is fixed in lower axle, institute
State lower axle to be connected with upper axle, centering block is driven by lower axle, drives crochet hook 24 to swing with respect to eedle 15；The position of crochet hook 24 with
The position of eedle 15 is corresponding, and in swing process, crochet hook 24 enters the hooking position of eedle 15；The eedle punctures braiding about 15
The frequency of thing and crochet hook swing back and forth hook line taking circle frequency it is consistent, i.e., eedle punctures once about 15, and crochet hook swings back and forth
Once.Top eedle motion of main shaft and following crochet hook hunting frequency are 1:1 relation, shank 16, presser feet are arranged on movable block
On 19, the upper rotation of axle 13 is turned around, and eedle 15 lifts once, and matched bottom crochet hook 24 is fixed on centering block 23 and also swings one
It is secondary,
As shown in figure 4, upper spindle motor drives upper axle 13 to rotate when the present embodiment is normally sewed, needle bar crank 21, connecting rod 17 are driven,
So as to affect shank 16, eedle 15, the process that an eedle 15 is pierced into sewing object from top to bottom is completed, meanwhile, lower axle band movable pendulum
Block 23 is swung towards the direction of eedle 15 so that the hook line position that crochet hook 24 enters eedle 15 carries out hook line work；Subsequent lower axle continues
Rotate, in the presence of eccentric stiffener, centering block 23 drives crochet hook 24 to be returned after swinging certain angle towards eedle 15, that is, hook up to face
Line, upper axle 13 are rotated further, and are driven eedle 15 to leave sewing object from bottom to top by crank, connecting rod, are completed a sewing work,
So chain type sewing can complete hook line, and continuously sew, and double thread chain-type track weaves rail as shown in fig. 6, upper thread A is eedle
Mark, bottom line B are crochet hook hooking track.
, it is necessary to which trimming, loose wire, start new a cycle subsequently into starting position again after a cycle of having sewed,
In order to solve this problem, it is necessary to during loose wire, as shown in figure 5, eedle 15 is rested on into extreme higher position, housing 6 is then fitted into
On lead screw motor 10 by the drive screw 7 of shaft coupling 9, movable block 19 is moved laterally along slide rail 4, so that eedle 15
Lateral separation increase between crochet hook 24；Then upper spindle motor drives upper axle 13 to rotate, so as to complete an eedle 15 from upper
Sewing object is down pierced into, meanwhile, lower axle drives centering block 23 to be swung towards the direction of eedle 15, and crochet hook 24 cannot be introduced into the hook line position of eedle
Put so that crochet hook 24 can not catch on upper thread and can not form the stitching that can not completely scatter, and complete off-line process.As shown in fig. 7,
Upper thread A is that eedle weaves track, and bottom line B is crochet hook hooking track, and upper thread A P points can not interweave with bottom line, so that it may so that dropped stitch
Place easily pull open upper thread A and bottom line B.
Claims (7)
- The chain-type stitch off-line controlling organization 1. a kind of 3D sews, including sewing machine head and movable block, sewing machine head, which is provided with, to be driven The first driving means of movable block transverse shifting；The movable block is provided with two longitudinal holes, and two longitudinal holes are interior respectively Installation shank and presser bar, the shank lower end are provided with eedle, and presser bar lower end is provided with presser feet；The shank upper end passes through Connecting rod connects a needle bar crank, and needle bar crank passes through upper axis connection to the upper spindle motor for being fixed on sewing machine head, upper spindle motor band Dynamic shank moves up and down；It is characterized in that：Also include centering block and crochet hook, crochet hook is arranged on centering block, and centering block is fixed in lower axle, the lower axle with Upper axle drive connection, centering block are driven by lower axle, drive crochet hook to be swung with respect to eedle；The crochet hook position is relative with eedle position Should, in swing process, crochet hook enters the hooking position of eedle；The frequency and the hunting frequency phase of crochet hook that the eedle moves up and down Unanimously.
- A kind of 2. 3D sewing chain-type stitch off-line controlling organization as claimed in claim 1, it is characterised in that：First driving Device includes a slide rail, and slide rail is fixed on sewing machine head, and slide rail is provided with matched sliding block；It is installed with sliding block Feed screw nut's fixed block, a feed screw nut is fixed on feed screw nut's fixed block, and feed screw nut passes through screw mandrel, shaft coupling and screw mandrel electricity Machine is connected, and lead screw motor is fixed on sewing machine head；Feed screw nut's fixed block is connected by contiguous block with movable block, screw mandrel Motor drives movable block along slide rail transverse shifting by feed screw nut.
- A kind of 3. 3D sewing chain-type stitch off-line controlling organization as claimed in claim 2, it is characterised in that：The feed screw nut A shank travelling carriage is fixed on fixed block, shank travelling carriage is provided with the sliding groove of longitudinal direction, shank sliding block is provided with sliding groove, Shank sliding block is connected by connecting rod one end with the shank joint being fixed on shank；The other end of the connecting rod is bent by take-up Handle is fixed on needle bar crank.
- A kind of 4. 3D sewing chain-type stitch off-line controlling organization as claimed in claim 2, it is characterised in that：The movable block top End is additionally provided with a cross through hole perpendicular with longitudinal hole, and sliding pair, the cunning of sliding pair are provided with the cross through hole Bar is fixed on sewing machine head, and slide bar and slide rail and screw mandrel are parallel to each other.
- 5. one kind utilizes the off-line control method of any one of claim 1 ~ 4 mechanism, it is characterised in that：During normal sewing, Eedle is pierced into sewing object from top to bottom, meanwhile, crochet hook synchronous hunting, the hook line position into eedle carries out hook line work, then Crochet hook leaves the hooking position of eedle, and eedle leaves sewing object；Continue chain type sewing, pull out one section of plait shape fabric；Sewing Eedle is rested on extreme higher position, and drive eedle to deviate from crochet hook transverse shifting so that machine by complete a cycle, it is necessary to during loose wire When pin declines, the hook line position that crochet hook cannot be introduced into eedle is fixed；Then, eedle is completed once to move up and down, and crochet hook is normally put Move once, crochet hook can not catch on upper thread so as to complete off-line process；After completing knocking over, eedle returns to the position normally sewed, and makes When obtaining eedle decline, crochet hook swings into the hook line position of eedle, restarts normal sewing work.
- 6. off-line control method as claimed in claim 5, it is characterised in that：During normal sewing, upper spindle motor drives upper axle to turn It is dynamic, needle bar crank, connecting rod are driven, so as to affect shank, eedle, completes the process that an eedle is pierced into sewing object from top to bottom, Meanwhile lower axle drives centering block to be swung towards eedle direction so that the hook line position that crochet hook enters eedle carries out hook line work.
- 7. off-line control method as claimed in claim 5, it is characterised in that：, will in a cycle of having sewed, it is necessary to during loose wire Eedle rests on extreme higher position, and then first driving means drive movable block transverse shifting, so that between eedle and crochet hook Lateral separation increase；Then upper spindle motor drives upper axle to rotate, and is moved up and down so as to complete an eedle, meanwhile, lower axle band Movable pendulum block is swung once towards eedle direction, and crochet hook cannot be introduced into the hook line position of eedle so that crochet hook can not catch on upper thread and nothing Method forms the stitching that can not completely scatter, and completes off-line process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060805.5A CN107700080A (en) | 2017-11-02 | 2017-11-02 | A kind of 3D sewing chain-type stitch off-line controlling organizations and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060805.5A CN107700080A (en) | 2017-11-02 | 2017-11-02 | A kind of 3D sewing chain-type stitch off-line controlling organizations and method |
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| Publication Number | Publication Date |
|---|---|
| CN107700080A true CN107700080A (en) | 2018-02-16 |
Family
ID=61178189
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711060805.5A Withdrawn CN107700080A (en) | 2017-11-02 | 2017-11-02 | A kind of 3D sewing chain-type stitch off-line controlling organizations and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108407486A (en) * | 2018-04-19 | 2018-08-17 | 曹东华 | A kind of traditional thread binding formula drilling binder |
| CN108547064A (en) * | 2018-06-06 | 2018-09-18 | 东莞市名菱工业自动化科技有限公司 | A kind of sewing machine |
| CN108796837A (en) * | 2018-06-06 | 2018-11-13 | 东莞市名菱工业自动化科技有限公司 | Intelligent 3D tailoring machines |
| CN110158246A (en) * | 2019-05-16 | 2019-08-23 | 东莞市名菱工业自动化科技有限公司 | A kind of process control double thread chain-type pattern sewing machine |
| CN110804808A (en) * | 2019-11-04 | 2020-02-18 | 辽宁银河新星轨道交通装备有限公司 | Sewing machine for locomotive air filter element |
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| CN108796837A (en) * | 2018-06-06 | 2018-11-13 | 东莞市名菱工业自动化科技有限公司 | Intelligent 3D tailoring machines |
| CN110158246A (en) * | 2019-05-16 | 2019-08-23 | 东莞市名菱工业自动化科技有限公司 | A kind of process control double thread chain-type pattern sewing machine |
| CN110804808A (en) * | 2019-11-04 | 2020-02-18 | 辽宁银河新星轨道交通装备有限公司 | Sewing machine for locomotive air filter element |
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