CN102605572A - Double-needle loop sewing machine with transmission structure - Google Patents
Double-needle loop sewing machine with transmission structure Download PDFInfo
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- CN102605572A CN102605572A CN2012100958350A CN201210095835A CN102605572A CN 102605572 A CN102605572 A CN 102605572A CN 2012100958350 A CN2012100958350 A CN 2012100958350A CN 201210095835 A CN201210095835 A CN 201210095835A CN 102605572 A CN102605572 A CN 102605572A
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Abstract
The invention discloses a double-needle loop sewing machine with a transmission structure, which comprises a first needle, a second needle, a first rotary hook and a second rotary hook. The first needle and the second needle are disposed on a nose and capable of moving up and down. The first rotary hook operating with the first needle and the second rotary hook operating with the second needle are disposed in the base. A motor drives the first needle, the second needle, the first rotary hook and the second rotary hook to coordinate in operation through an upper shaft, a first lower shaft and a second lower shaft. The double-needle loop sewing machine has the advantages of simple structure and convenience in mounting and maintenance, the first needle and the second needle correspond to two ends of a corresponding belt loop respectively for sewing, and accordingly the efficiency of belt loop processing is improved.
Description
Technical field
The present invention relates to a kind of Sewing machines that is used for the processing belt button loop, specifically have the crosspointer nail button loop machine of drive mechanism.
Background technology
Utility model patent title: follow closely the button loop machine automatically; The patent No.: 200720110843.2 disclose a kind of automatic nail button loop machine that is used for the processing belt button loop; Comprise sewing machine table; Head of sewing machine is installed on the platen, is fixed with the feeding table widget on the head, programme controlled presser foot device by PLC is installed on the feeding table widget; On platen, also be equipped with by the programme controlled commentaries on classics of PLC, feed mechanism and starting switch, on commentaries on classics, feed mechanism, be connected with programme controlled material cutting mechanism again by PLC.Presser foot device comprises with fixed block and is installed in the holder on the Sewing machines feeding table widget; This holder is provided with and its fixing presser feet support; The presser feet support is provided with two presser slide block that are installed in respectively on two take-up housings; In two presser slide block, be respectively equipped with again to drive simultaneously and carry out upper and lower two presser feets that are synchronized with the movement by first cylinder; Have the presser feet groove on the presser feet, be provided with the first presser feet base plate, second presser feet base plate that supplies the band button loop to place and the material blocking block that band button loop sewing position is positioned under the corresponding presser feet.Be respectively equipped with on the first presser feet base plate and the second presser feet base plate and the presser feet groove hole of sewing accordingly; Change, the head of feed mechanism is provided with and is installed in two four-cylinder and the 5th cylinders on the cylinder support respectively, on the cylinder support of four-cylinder, also is provided with waste material air blowing assembly.Automatically nail button loop machine can be realized the automatic sewing processing with button loop, but its operating efficiency is still waiting to improve.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned prior art present situation; And provide a kind of crosspointer that has drive mechanism efficiently simple in structure to follow closely the button loop machine; Be used as power through a motor, realize the collaborative work of first eedle and first rotating shuttle and second eedle and second rotating shuttle.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the crosspointer nail button loop machine with drive mechanism; Comprise support and head; Head is provided with first eedle and second eedle that can move up and down, and is provided with first rotating shuttle that cooperates the first eedle work and second rotating shuttle that cooperates the second eedle work in the support; First eedle, second eedle, first rotating shuttle and second rotating shuttle are by same motor-driven work.
For optimizing technique scheme, the present invention also comprises following improved technical scheme.
Above-mentioned motor is connected with the revolvable axle of going up, and last axle drives first eedle through drive mechanism and second eedle moves up and down.
Be provided with first lower shaft and second lower shaft that is used to drive the reciprocal rotary work of second rotating shuttle that are used to drive the reciprocal rotary work of first rotating shuttle in the above-mentioned support; First lower shaft and second lower shaft are through drive mechanism and last axle interlock.
The first above-mentioned eedle and second eedle are arranged on the eedle seat that can move up and down; Last axle is fixedly connected with the eedle crank, and the eedle crank is connected with the eedle bent axle, and an end and the eedle crank of eedle connecting rod are rotationally connected, and the other end is used for the driving machine needle stand and moves up and down.
An above-mentioned eedle bent axle and an end of thread take-up tension lever are rotatably assorted, and the other end of thread take-up tension lever is shaped on through wires hole; Be provided with the thread take-up tension lever back shaft that can rotate in the head, the movable end of thread take-up tension lever back shaft and the middle part of thread take-up tension lever are rotationally connected.
The first above-mentioned lower shaft is through synchronous band and last axle interlock, and first lower shaft is connected with the rotating shuttle crank transmission structure that is used to drive the reciprocal rotation of first rotating shuttle.
Above-mentioned rotating shuttle crank transmission structure comprises the rotating shuttle crank that is connected with first lower shaft, and the rotating shuttle crank is connected with wobble crank through the rotating shuttle connecting rod, and wobble crank is connected with and is used to drive the back and forth swinging axle of rotation of first rotating shuttle.
The first above-mentioned rotating shuttle is connected with the rotating shuttle driving shaft, and the rotating shuttle driving shaft cooperates interlock through gear with the swinging axle of ability crankmotion.
The second above-mentioned lower shaft is connected with second rotating shuttle; Last axle is shaped on the crank portion that is used to drive the motion of second lower shaft, and crank portion is connected with the lower shaft connecting rod, and the lower shaft connecting rod is connected with and is used to drive the lower shaft crank that second lower shaft is made crankmotion.
Be provided with the lower shaft drive rod in the above-mentioned support, the lower shaft crank is fixedly connected with the lower shaft drive rod, and the lower shaft drive rod drives second lower shaft through lower shaft gear and makes crankmotion.
Compared with prior art; Crosspointer nail button loop machine with drive mechanism of the present invention; Comprise first eedle and second eedle that are arranged on head and can move up and down, and be arranged on first rotating shuttle that cooperates the first eedle work in the support and second rotating shuttle that cooperates the second eedle work.Motor is through last axle, first lower shaft and second lower shaft; Drive first eedle, second eedle, first rotating shuttle and the second rotating shuttle collaborative work; Has advantage simple in structure, as to be convenient to installation and maintenance; And sew in the two ends of the corresponding respectively band button loop of first eedle and second eedle, improved band button loop working (machining) efficiency greatly.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention.
Fig. 2 is the side structure sketch map of Fig. 1.
Fig. 3 is the internal structure sketch map of Fig. 1.
Fig. 4 is the internal structure sketch map of Fig. 2.
Fig. 5 is the structural representation of drive mechanism among Fig. 3.
Fig. 6 is the front portion structure sketch map of Fig. 5.
Fig. 7 is the assembling decomposing schematic representation of Fig. 5.
Fig. 8 is the drive mechanism sketch map of first lower shaft among Fig. 7.
Fig. 9 is the structural representation of first needle plate and second needle plate among Fig. 7.
Figure 10 is the structural representation of feeding structure among Fig. 3.
Figure 11 is the assembling decomposing schematic representation of Figure 10.
Figure 12 is the structural representation of the first rotating shuttle governor motion among Fig. 3.
Figure 13 is the assembling decomposing schematic representation of Figure 12.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 1 is extremely shown in Figure 13 to be structural representation of the present invention.
Reference numeral wherein is: support 1; First rotating shuttle 11; Second rotating shuttle 12; Rotating shuttle seat 13; Rotating shuttle driving shaft 16; Swinging axle 17; Wobble crank 17a; Spring bearing 18; Head 2; First eedle 21; Second eedle 22; First presser feet 23; Pressure foot 23a; Presser feet cylinder 23b; Second presser feet 24; Eedle seat 25; Presser feet position adjustment part 26; Shank 27; Eedle guide rail 28; Motor 3; Last axle 31; Eedle crank 31a; Eedle connecting rod 31b; Driving cam 31c; Eedle bent axle 31d; Crank portion 31e; First lower shaft 32; Synchronizing wheel 32a; Rotating shuttle crank 32b; Rotating shuttle connecting rod 32c; Second lower shaft 33; Thread take-up tension lever 34; Thread take-up tension lever back shaft 35; Lower shaft drive rod 36; Lower shaft crank 36a; Lower shaft gear 36b; Lower shaft connecting rod 38; Be with 39 synchronously; First needle plate 41; Second needle plate 42; Delivery sheet 5; Pedestal 50; First slide block 51; The first driver slot 51a; First motor 511; The first feeding bogie 512; Feeding tooth 513; First driving shaft 514; Second slide block 52; The second driver slot 52a; Second motor 521; The second feeding bogie 522; Motor feeding rod 523; Second driving shaft 524; Presser feet arm 53; Limit mounting support 54; Limiting plate 55; Adjusting rod 60; Carriage 61; Driving arm 62; The axis of guide 63; Ball screw 64; Rotating shuttle is regulated motor 65; Carriage rail 66; First stationary knife 71; First moving knife 72; First connecting rod 73; First trimming drives cylinder 74; Driving spring 80; Trimming back shaft 801; Second stationary knife 81; Second moving knife 82; Electromagnetic valve 83; Drive rod 84; Roller 84a; Drive link 85; Connecting rod 86; Back-moving spring 87; Tangent line lever 88; Back shaft 88a; Bearing pin 88b; Drive link seat 89; The first pipeline purging device 91; The second pipeline purging device 92.
To shown in Figure 4, crosspointer nail button loop machine of the present invention comprises support 1 and head 2 like Fig. 1.
In support 1, be provided with first rotating shuttle 11 and second rotating shuttle 12 that is used to cooperate 22 work of second eedle that are used to cooperate 21 work of first eedle.Because first eedle 21 and second eedle 22 adopt the rotating shuttle structure of first rotating shuttle 11 and second rotating shuttle 12 to match respectively, when sewing, has the advantage of high speed, low noise.
Like Fig. 3 and shown in Figure 4, first eedle 21, second eedle 22, first rotating shuttle 11 and second rotating shuttle 12 are by same motor 3 driving work, and whole drive mechanism is simple, is convenient to safeguard.
Between first eedle 21 and first rotating shuttle 11, and be provided with the delivery sheet 5 that is used to place material between described second eedle 22 and second rotating shuttle 12.Be provided with first presser feet 23 that is used to cooperate delivery sheet 5 in first eedle, 21 1 sides, be provided with second presser feet 24 that is used to cooperate delivery sheet 5 in second eedle, 22 1 sides.First presser feet 23 and second presser feet 24 can be pressed in the material that needs are made on the delivery sheet 5, make material cooperate delivery sheet 5 motions.
Fig. 5 and shown in Figure 6 be the drive mechanism of crosspointer nail button loop machine; Comprise first eedle 21 and second eedle 22 that are arranged on head 2 and can move up and down, and be arranged on first rotating shuttle 11 and second rotating shuttle 12 that cooperates 22 work of second eedle that cooperates 21 work of first eedle in the support 1.
Afterbody installation at head 2 is provided with motor 3, and motor 3 is connected with the revolvable axle 31 of going up, axle 31 rotary works in the driving.The front end of last axle 31 drives first eedle 21 through drive mechanism and second eedle 22 moves up and down.
In the present embodiment, first eedle 21 and second eedle 22 are arranged on the eedle seat 25 that can move up and down, and eedle seat 25 is fixed with shank 27.In head 2, be provided with and be used for the eedle guide rail 28 that vectoring aircraft needle stand 25 moves up and down.Also be provided with the first pipeline purging device 91 and the second pipeline purging device 92 that is used for pipeline purging in the both sides of first eedle 21 and second eedle 22.The first pipeline purging device 91 and the second pipeline purging device 92 comprise the pipeline purging cylinder and by the pipeline purging bar of pipeline purging air cylinder driven, pipeline purging cylinder action when sewing finishes, and the pipeline purging bar is pulled out certain amount with upper thread, discharges the tension force on the upper thread, is convenient to trimming.
The front end of last axle 31 is fixedly connected with eedle crank 31a, and described eedle crank 31a is connected with eedle bent axle 31d, and the end of eedle connecting rod 31b and eedle crank 31a are rotationally connected, and the other end is used for driving machine needle stand 25 and moves up and down.When last axle 31 rotated, eedle connecting rod 31b received the guiding of eedle guide rail 28, drove eedle seat 25 and moved up and down.
Like Fig. 6 and shown in Figure 7, the lower end of eedle bent axle 31d and thread take-up tension lever 34 is rotatably assorted, and the other end of thread take-up tension lever 34 is shaped on through wires hole.Be provided with the thread take-up tension lever back shaft 35 that can rotate in the head 2, the middle part of the movable end of thread take-up tension lever back shaft 35 and thread take-up tension lever 34 is rotationally connected.When last 31 rotation works, eedle bent axle 31d just drives thread take-up tension lever 34 work.
As shown in Figure 5, in support 1, be provided with first lower shaft 32 and second lower shaft 33 that is used to drive second rotating shuttle, 12 reciprocal rotary works that are used to drive first rotating shuttle, 11 reciprocal rotary works.First lower shaft 32 and second lower shaft 33 link through drive mechanism and the described axle 31 of going up.
In the present embodiment, first lower shaft 32 is with 39 to drive 32 rotations of first lower shaft when last axle 31 rotates through being with 39 to go up axle 31 interlocks with described synchronously synchronously.The front end of first lower shaft 32 is connected with and is used to drive the back and forth rotating shuttle crank transmission structure of rotation of first rotating shuttle 11.
The rotating shuttle crank transmission structure comprises the rotating shuttle crank 32b that is connected with first lower shaft 32; Described rotating shuttle crank 32b is connected with wobble crank 17a through rotating shuttle connecting rod 32c, and described wobble crank 17a is connected with and is used to drive the back and forth swinging axle 17 of rotation of first rotating shuttle 11.
First rotating shuttle 11 is connected with rotating shuttle driving shaft 16, and rotating shuttle driving shaft 16 cooperates interlock through gear with the swinging axle 17 of ability crankmotion.When first lower shaft, 32 rotary works, first rotating shuttle 11 is reciprocal rotary work just.
Second lower shaft 33 is connected with second rotating shuttle 12.In the present embodiment, last axle 31 is shaped on the crank portion 31e that is used to drive 33 motions of second lower shaft, and crank portion 31e is connected with lower shaft connecting rod 38.Lower shaft connecting rod 38 is connected with and is used to drive the lower shaft crank 36a that second lower shaft 33 is made crankmotion.In support 1, be provided with lower shaft drive rod 36, lower shaft crank 36a is fixedly connected with lower shaft drive rod 36, and lower shaft drive rod 36 drives second lower shaft 33 through lower shaft gear 36b and makes crankmotion.
Like Fig. 3 and shown in Figure 4; Crosspointer nail button loop machine of the present invention; First rotating shuttle 11 is connected with the governor motion that is used to regulate distance between first rotating shuttle 11 and second rotating shuttle 12, can regulate the distance between first rotating shuttle 11 and second rotating shuttle 12 through governor motion, to adapt to different band button loop length.
Like Figure 12 and shown in Figure 13, in the present embodiment, governor motion comprises carriage 61, adjusting rod 60 that is connected with said carriage 61 that is movably set in the support 1 and the adjusting driving mechanism that is connected with adjusting rod 60.Regulate driving mechanism and comprise the rotating shuttle adjusting motor 65 that is used to drive adjusting rod 60 axially-movables.
Fixedly installing rotating shuttle seat 13, the first rotating shuttles 11 that are useful on installation first rotating shuttle 11 on the carriage 61 is rotatably assorted with rotating shuttle seat 13.The rotating shuttle driving shaft 16 that is connected with first rotating shuttle 11, the swinging axle 17 that is used to drive rotating shuttle driving shaft 16, and be connected with first lower shaft 32 and the rotating shuttle crank 32b that is used to drive swinging axle 17 crankmotions installs with rotating shuttle seat 13 respectively and cooperates.Swinging axle 17 is fixedly connected with wobble crank 17a, is connected with rotating shuttle connecting rod 32c between rotating shuttle crank 32b and the wobble crank 17a.First lower shaft 32 drives swinging axle 17 crankmotions through rotating shuttle crank 32b, and swinging axle 17 is made crankmotion through gear driven rotating shuttle driving shaft 16.
Adjusting rod 60 is connected with driving arm 62, and described driving arm 62 slides and is arranged on the axis of guide 63 in the support 1.Rotating shuttle is regulated motor 65 and is connected with the ball screw 64 that is used to drive driving arm 62 motions.Be provided with the carriage rail 66 that is used to lead in the bottom of carriage 61, rotating shuttle is regulated motor 65 work, drives carriage 61 through adjusting rod 60 and moves along carriage rail 66.
First rotating shuttle 11 drives first rotating shuttle, the 11 reciprocal rotating shuttle crank transmission structures that rotate through the rotating shuttle seat 13 integrated carriages 61 that are installed in being used to; Regulate motor 65 work through rotating shuttle, just can regulate distance between first rotating shuttle 11 and second rotating shuttle 12 with the fasten with a rope, string, etc. length at two ends of adaptive zone.
In the present embodiment, first lower shaft 32 is a splined shaft, and an end of first lower shaft 32 is connected with rotating shuttle crank 32b, and the other end matches with support 1 interior spring bearing 18.Said first lower shaft 32 is provided with the synchronizing wheel 32a that is used to drive 32 rotations of first lower shaft; First lower shaft 32 and described synchronizing wheel 32a and spring bearing 18 axial sliding fits; To adapt to the change of first rotating shuttle, 11 positions, be convenient to regulate the distance between first rotating shuttle 11 and second rotating shuttle 12.
As shown in Figure 9, rotating shuttle seat 13 is provided with first needle plate 41.The bottom of first needle plate 41 is provided with first thread cutter.First thread cutter comprises first stationary knife 71 and first moving knife 72.First moving knife 72 connects first trimming driving cylinder 74 through the first connecting rod 73 that is arranged in the rotating shuttle seat 13.First trimming drives cylinder 74 and is arranged on the carriage 61.First needle plate 41, first thread cutter can be with carriage 61 motions.
Above second rotating shuttle 12, be provided with second needle plate 42.Second needle plate, 42 bottoms are provided with second thread cutter.Distance between first needle plate 41 and second needle plate 42 is regulated motor 65 through rotating shuttle and is regulated.
As shown in Figure 7, last axle 31 is provided with the driving cam 31c that is used to drive second moving knife 82.Second moving knife 82 is connected with the drive rod 84 that can cooperate with driving cam 31c with disengaging movement.When drive rod 84 matched with driving cam 31c, driving cam 31c drove second moving knife, 82 trimmings.
As shown in Figure 9, drive rod 84 is connected with and is used to drive the driving spring 80 that drive rod 84 and driving cam 31c carry out disengaging movement.
Be connected with transmission component between the drive rod 84 and second moving knife 82.Transmission component comprises the drive link seat 89 and tangent line lever 88 that matches.Drive link seat 89 is connected with the connecting rod 86 with drive rod 84 interlocks, and tangent line lever 88 is connected with the drive link 85 that is connected with second moving knife 82.
The movable end and the connecting rod 86 of drive link seat 89 are rotationally connected, and another movable end matches with bearing pin 88b on the tangent line lever 88, and bearing pin 88b is connected with back-moving spring 87.
During near driving cam 31c, connecting rod 86 serves as to support to rotate with drive link seat 89 at drive rod 84.Drive rod 84 is with after driving cam 31c matches, and connecting rod 86 can axially-movable, and drives drive links 85 motions through tangent line lever 88, makes drive link 85 drive second moving knife, 82 trimmings.
Like Figure 10 and shown in Figure 11, the feeding structure of crosspointer nail button loop machine comprises first presser feet 23, second presser feet 24 and delivery sheet 5.Slide block travel mechanism comprises and is used to drive first slide block 51 and second slide block 52 that delivery sheet 5, first presser feet 23 and second presser feet 24 move at in-plane.
The limit mounting support 54 and limiting plate 55 that are used to cooperate material on the delivery sheet 5 are installed on second slide block 52.When the work beginning, material is delivered on the delivery sheet 5 of crosspointer nail button loop machine through feed mechanism earlier, through limit mounting support on the delivery sheet 5 54 and limiting plate 55, band button loop sewing position is positioned, and makes material be positioned at suitable sewing position.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (10)
1. the crosspointer nail button loop machine that has drive mechanism; Comprise support (1) and head (2); It is characterized in that: described head (2) is provided with first eedle (21) and second eedle (22) that can move up and down, and is provided with first rotating shuttle (11) that cooperates first eedle (21) work and second rotating shuttle (12) that cooperates second eedle (22) work in the described support (1); Described first eedle (21), second eedle (22), first rotating shuttle (11) and second rotating shuttle (12) are by same motor (3) driving work.
2. the crosspointer nail button loop machine with drive mechanism according to claim 1; It is characterized in that: described motor (3) is connected with the revolvable axle (31) of going up, and described upward axle (31) drives described first eedle (21) through drive mechanism and second eedle (22) moves up and down.
3. the crosspointer nail button loop machine with drive mechanism according to claim 2 is characterized in that: be provided with second lower shaft (33) that is used to drive first lower shaft (32) of the reciprocal rotary work of first rotating shuttle (11) and is used to drive the reciprocal rotary work of second rotating shuttle (12) in the described support (1); Described first lower shaft (32) and second lower shaft (33) link through drive mechanism and the described axle (31) of going up.
4. the crosspointer nail button loop machine with drive mechanism according to claim 3, it is characterized in that: described first eedle (21) and second eedle (22) are arranged on the eedle seat (25) that can move up and down; The described axle (31) of going up is fixedly connected with eedle crank (31a); Described eedle crank (31a) is connected with eedle bent axle (31d); One end of eedle connecting rod (31b) and described eedle crank (31a) are rotationally connected, and the other end is used for driving machine needle stand (25) and moves up and down.
5. the crosspointer nail button loop machine with drive mechanism according to claim 4, it is characterized in that: described eedle bent axle (31d) is rotatably assorted with an end of thread take-up tension lever (34), and the other end of thread take-up tension lever (34) is shaped on through wires hole; Be provided with the thread take-up tension lever back shaft (35) that can rotate in the described head (2), the middle part of the movable end of described thread take-up tension lever back shaft (35) and thread take-up tension lever (34) is rotationally connected.
6. the crosspointer nail button loop machine with drive mechanism according to claim 3; It is characterized in that: described first lower shaft (32) is gone up axle (31) interlock through being with (39) synchronously with described, and first lower shaft (32) is connected with the rotating shuttle crank transmission structure that is used to drive the reciprocal rotation of first rotating shuttle (11).
7. the crosspointer nail button loop machine with drive mechanism according to claim 6; It is characterized in that: described rotating shuttle crank transmission structure comprises the rotating shuttle crank (32b) that is connected with first lower shaft (32); Described rotating shuttle crank (32b) is connected with wobble crank (17a) through rotating shuttle connecting rod (32c), and described wobble crank (17a) is connected with and is used to drive the back and forth swinging axle (17) of rotation of first rotating shuttle (11).
8. the crosspointer nail button loop machine with drive mechanism according to claim 7; It is characterized in that: described first rotating shuttle (11) is connected with rotating shuttle driving shaft (16), and described rotating shuttle driving shaft (16) cooperates interlock through gear with the swinging axle (17) of ability crankmotion.
9. the crosspointer nail button loop machine with drive mechanism according to claim 6, it is characterized in that: described second lower shaft (33) is connected with second rotating shuttle (12); The described axle (31) of going up is shaped on the crank portion (31e) that is used to drive second lower shaft (33) motion; Described crank portion (31e) is connected with lower shaft connecting rod (38), and described lower shaft connecting rod (38) is connected with and is used to drive the lower shaft crank (36a) that second lower shaft (33) is made crankmotion.
10. the crosspointer nail button loop machine with drive mechanism according to claim 9; It is characterized in that: be provided with lower shaft drive rod (36) in the described support (1); Described lower shaft crank (36a) is fixedly connected with lower shaft drive rod (36), and described lower shaft drive rod (36) drives second lower shaft (33) through lower shaft gear (36b) and makes crankmotion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210095835 CN102605572B (en) | 2012-04-05 | 2012-04-05 | Double-needle loop sewing machine with transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210095835 CN102605572B (en) | 2012-04-05 | 2012-04-05 | Double-needle loop sewing machine with transmission structure |
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| Publication Number | Publication Date |
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| CN102605572A true CN102605572A (en) | 2012-07-25 |
| CN102605572B CN102605572B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201210095835 Expired - Fee Related CN102605572B (en) | 2012-04-05 | 2012-04-05 | Double-needle loop sewing machine with transmission structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652930A (en) * | 2019-01-21 | 2019-04-19 | 杰克缝纫机股份有限公司 | A kind of crosspointer eedle position regulating mechanism and sewing machine |
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| CN102605572B (en) | 2013-04-17 |
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