CN111020902A - Needle bar rotating template machine - Google Patents
Needle bar rotating template machine Download PDFInfo
- Publication number
- CN111020902A CN111020902A CN201911377054.9A CN201911377054A CN111020902A CN 111020902 A CN111020902 A CN 111020902A CN 201911377054 A CN201911377054 A CN 201911377054A CN 111020902 A CN111020902 A CN 111020902A
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- China
- Prior art keywords
- thread
- needle bar
- assembly
- thread passing
- passing
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B49/00—Take-up devices, e.g. levers, for the needle thread
Abstract
The invention relates to the technical field of sewing machines, in particular to a needle bar rotating template machine which comprises a needle bar, wherein one side of the needle bar is provided with an upper shaft, a thread picking assembly and a cloth pricking assembly, the thread picking assembly and the cloth pricking assembly are arranged on the upper shaft, and the upper shaft is driven by a first power piece to rotate and drive the thread picking assembly and the cloth pricking assembly to synchronously perform thread picking action and cloth pricking action. The thread picking assembly and the cloth pricking assembly are arranged on the same upper shaft, and both the thread picking assembly and the cloth pricking assembly are positioned on one side of the needle rod, so that the machine head height does not need to be increased due to the thread picking assembly, the needle bar has the advantage of simple structure, meanwhile, due to the coaxial output of the thread picking assembly and the cloth pricking assembly, the good and stable synchronous relation between the thread picking assembly and the cloth pricking assembly can be kept, the problem that the synchronous relation between the thread picking assembly and the cloth pricking assembly is troublesome to adjust is avoided, and the reliability and the stability of the assembly action are better.
Description
Technical Field
The invention relates to the technical field of sewing machines, in particular to a needle bar rotating template machine.
Background
The needle bar rotating template machine is a template machine with a rotatable needle bar in the sewing process and is divided into two structures, one structure is a non-360-degree infinite rotating structure of the needle bar, the structure is not suitable for the continuous rotating sewing condition, and a sewing thread can be wound on a machine needle to a certain degree, so that the stitch attractiveness and the normal sewing stability are influenced; the other is a structure that the needle bar can rotate infinitely for 360 degrees in the sewing process, continuous rotary sewing can be realized, and the sewing thread can not be wound on a machine needle, for example, a needle bar and a thread take-up mechanism of a sewing machine which can rotate infinitely disclosed in the publication No. CN 109554846A.
In the existing needle bar rotating template machine, one motor drives a thread taking-up component to act so as to enable a thread taking-up rod to reciprocate so as to realize thread supply and thread take-up, and drives a cloth pricking component to act so as to enable a needle bar to move up and down so as to realize cloth pricking, and the other motor drives a rotating component to act so as to enable the needle bar to rotate around the axis of the needle bar. The needle bar is provided with a needle bar top end, a needle bar top end and a needle picking assembly, wherein the needle picking assembly and the needle cloth pricking assembly are respectively connected with one shaft, the two shafts are connected through a synchronizing wheel, a synchronizing belt and a tensioning wheel assembly, a motor is arranged to drive one shaft to rotate, the other shaft is driven to rotate through the synchronizing wheel and the synchronizing belt, the needle cloth pricking assembly is arranged on one side of the needle bar, and the needle picking assembly is arranged above the top end of the needle bar. This structure makes the head section high, results in a complicated structure of the stencil making machine, and has a drawback that the synchronization relationship between the thread take-up assembly and the pierce cloth assembly (i.e., the synchronization relationship between the thread take-up lever and the needle bar) is troublesome to adjust.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a needle bar rotating template machine which has a simple structure and is well synchronous with a thread picking assembly and a cloth pricking assembly, so as to overcome the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a needle bar rotary template machine, includes the needle bar, is equipped with upper shaft, picking up thread subassembly and thorn cloth subassembly in one side of needle bar, and picking up thread subassembly and thorn cloth subassembly all locate on the upper shaft, and the upper shaft receives the drive of first power spare and rotates and drive picking up thread subassembly and thorn cloth subassembly and carry out the picking up thread action and the thorn cloth action in step.
Preferably, still include crank and connecting piece, the one end of crank sets firmly in the upper shaft, and the connecting piece has the axis and is first axial region and the second axial region of eccentric settings, and first axial region sets firmly in the other end of crank, and the picking subassembly is articulated with first axial region, and the thorn cloth subassembly is articulated with second axial region.
Preferably, the thread take-up component comprises a thread take-up lever, a thread take-up connecting rod and a pin shaft fixedly arranged, the thread take-up lever is provided with a thread hole for a thread to pass through, one end of the thread take-up lever is hinged with the first shaft, the other end of the thread take-up lever is hinged with one end of the thread take-up connecting rod, and the other end of the thread take-up connecting rod is rotatably sleeved on the pin shaft.
Preferably, the thread take-up device further comprises a machine shell and a thread passing assembly arranged on the machine shell, a cavity is formed in the needle rod in a penetrating mode along the axial direction, and a thread passing through the thread passing hole of the thread take-up rod passes through the cavity of the needle rod from the top of the needle rod after passing through the thread passing assembly.
Preferably, the thread passing assembly comprises a thread passing cylinder and a thread passing plate, the inner part of the thread passing cylinder is communicated with the thread passing plate along the axial direction, the top end of the thread passing cylinder is arranged below the thread passing hole of the thread passing plate, and the top end of the needle rod is movably sleeved at the bottom end of the thread passing cylinder up and down.
Preferably, the thread passing assembly further comprises a first thread passing element positioned below the thread take-up lever, a second thread passing element positioned on the outer periphery side of the top of the thread passing cylinder and a third thread passing element positioned between the first thread passing element and the second thread passing element, and a thread passing through the thread passing hole of the thread take-up lever passes through the first thread passing element, the third thread passing element, the second thread passing element, the thread passing plate and the thread passing cylinder in sequence and then enters the cavity of the needle rod.
Preferably, the needle bar connector is connected with the needle bar through a second shaft, the other end of the needle bar connector is movably sleeved with the needle bar connecting rod, the sliding block is arranged at the other end of the needle bar connector, and the guide rail is fixedly arranged and provided with a sliding groove extending along the axial direction of the needle bar, and the sliding block is slidably arranged in the sliding groove.
Preferably, the needle bar rotating device further comprises a rotating assembly, wherein the rotating assembly is connected with the needle bar and drives the needle bar to rotate.
Preferably, the rotating assembly comprises a worm wheel fixedly arranged on the needle rod in the circumferential direction, a worm meshed with the worm wheel and a second power member driving the worm to rotate.
Compared with the prior art, the invention has the remarkable progress that:
according to the needle bar rotating template machine, the thread picking assembly and the cloth pricking assembly are arranged on the same upper shaft, and are both positioned on one side of the needle bar, so that the machine head height does not need to be increased due to the thread picking assembly, and the needle bar rotating template machine has the advantage of simple structure.
Drawings
Fig. 1 is a schematic structural view of a needle bar rotary molder according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic view of the needle bar rotary molder according to the embodiment of the present invention with the housing removed.
Fig. 4 is an enlarged schematic view of a portion B in fig. 3.
Fig. 5 is an exploded view of the thread take-up assembly and the needle bar rotating stencil machine according to the embodiment of the present invention.
Wherein the reference numerals are as follows:
1. case 2, needle bar
3. Upper shaft 4 and first power part
5. First bearing 6 and first coupling
7. Crank 8, connecting piece
81. First shaft 82 and second shaft
9. Thread take-up lever 91, threading hole
10. Thread take-up connecting rod 11 and pin shaft
12. Wire passing cylinder 13 and wire passing plate
131. Wire passing hole 14 and first wire passing piece
15. Second wire passing piece 16 and third wire passing piece
17. Needle bar fastening ring 18 and needle bar joint
19. Needle bar connecting rod 20 and sliding block
21. Guide rail 211, chute
22. Worm wheel 23, worm
24. Second power member 25, second bearing
26. Second coupling
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 5, an embodiment of the needle bar rotary molder of the present invention.
Referring to fig. 1, 2 and 3, the needle bar rotary template machine of the present embodiment includes a housing 1, a needle bar 2, an upper shaft 3, a first power member 4, a thread take-up assembly and a cloth pricking assembly, wherein the upper shaft 3, the first power member 4, the thread take-up assembly and the cloth pricking assembly are disposed at one side of the needle bar 2. The upper shaft 3 is rotatably supported on the housing 1 through a first bearing 5, a first power member 4 is connected with one end of the upper shaft 3, and the first power member 4 drives the upper shaft 3 to rotate. Preferably, the first power member 4 can be a motor having a rotary output shaft, and the rotary output shaft of the motor is connected with one end of the upper shaft 3 through a first coupling 6. The thread take-up component and the cloth pricking component are both arranged at the other end of the upper shaft 3. When the upper shaft 3 is driven by the first power part 4 to rotate, the thread picking assembly is driven to carry out thread picking action, so that thread supplying and thread collecting are realized, and meanwhile, the cloth pricking assembly is driven to carry out cloth pricking action. The sewing of the sewing material is realized through the synchronous action of the thread take-up component and the cloth pricking component.
The needle bar rotary template machine of this embodiment sets up thread picking component and thorn cloth subassembly on same root upper shaft 3, and thread picking component and thorn cloth subassembly all are located one side of needle bar 2, therefore need not to increase the aircraft nose height because of thread picking component, simple structure's advantage has, and simultaneously, because thread picking component and the coaxial output of thorn cloth subassembly for can keep stablizing good synchronous relation between thread picking component and the thorn cloth subassembly, do not have thread picking component and thorn cloth subassembly synchronous relation and adjust troublesome problem, the reliability and the stability of subassembly action are also better.
Referring to fig. 4 and 5, the needle bar rotary molder of the present embodiment preferably further includes a crank 7 and a link 8, and the link 8 has a first shaft portion 81 and a second shaft portion 82 whose axes are eccentrically disposed. One end of the crank 7 is fixedly arranged on the upper shaft 3, the first shaft part 81 of the connecting piece 8 is fixedly arranged on the other end of the crank 7, the thread take-up component is hinged with the first shaft part 81 of the connecting piece 8, and the cloth pricking component is hinged with the second shaft part 82 of the connecting piece 8. When the upper shaft 3 is driven to rotate by the first power part 4, the crank 7 is driven to rotate around the axis of the upper shaft 3, the connecting part 8 is driven to swing along with the rotation of the crank 7, the thread picking assembly is driven to move to execute thread picking action through the swing of the first shaft part 81 of the connecting part 8, and the cloth pricking assembly is driven to move to execute cloth pricking action through the swing of the second shaft part 82 of the connecting part 8. Thus, the crank 7 and the connecting piece 8 realize that the thread take-up component and the cloth pricking component are simultaneously arranged on the upper shaft 3 and driven by the upper shaft 3 to synchronously operate.
In this embodiment, referring to fig. 5, preferably, the thread take-up assembly may include a thread take-up lever 9, a thread take-up link 10 and a pin 11, and the thread take-up lever 9 is provided with a thread passing hole 91 through which a thread passes. One end of the thread take-up lever 9 is hinged with the first shaft part 81 of the connecting piece 8, the other end of the thread take-up lever 9 is hinged with one end of the thread take-up connecting rod 10, the other end of the thread take-up connecting rod 10 is rotatably sleeved on the pin shaft 11, the pin shaft 11 is fixedly arranged on the casing 1, and the pin shaft 11 is a fixed pivot for swinging of the thread take-up connecting rod 10. The axis of the pin shaft 11, the hinge axis of the thread take-up link 10 and the thread take-up lever 9, and the hinge axis of the thread take-up lever 9 and the first shaft 81 of the connecting member 8 (i.e., the axis of the first shaft 81) are all parallel to the axis of the upper shaft 3. When the upper shaft 3 rotates and drives the crank 7 and the connecting piece 8 to swing, the first shaft part 81 of the connecting piece 8 swings to drive the take-up lever 9 and the take-up connecting rod 10 to swing, so that the reciprocating change of the position of the threading hole 91 on the take-up lever 9 is realized, and the thread supply and the thread take-up of the thread are further realized.
Preferably, the inside of the needle bar 2 is formed to be axially penetrated to form a hollow, and a thread passing through the threading hole 91 of the thread take-up lever 9 is passed through the hollow inside of the needle bar 2 to reach a needle (not shown) provided at the bottom end of the needle bar 2, whereby the needle bar 2 can be rotatably adjusted by 360 ° without causing kinking during sewing. Based on this, preferably, the needle bar rotation template machine of the embodiment may further include a thread passing assembly, the thread passing assembly is disposed on the housing 1, the thread passing through the threading hole 91 of the thread take-up lever 9 passes through the cavity of the needle bar 2 from the top of the needle bar 2 after passing through the thread passing assembly and reaches the needle at the bottom end of the needle bar 2, the thread is provided for the needle, and the thread supplying and taking-up of the thread at the needle is realized by the reciprocating change of the position of the threading hole 91 on the thread take-up lever 9. The thread passing assembly can separate the thread from the machine shell 1, and the thread is prevented from being damaged due to contact friction with the machine shell 1 in the moving process.
Referring to fig. 2, preferably, the thread passing assembly may include a thread passing barrel 12 and a thread passing plate 13, the thread passing barrel 12 and the thread passing plate 13 are both disposed on the top end of the needle rod 2, the thread passing barrel 12 and the thread passing plate 13 are both fixedly mounted on the housing 1, the inside of the thread passing barrel 12 is axially through, a thread passing hole 131 is formed in the thread passing plate 13, the top end of the thread passing barrel 12 is disposed right below the thread passing hole 131 in the thread passing plate 13, and the top end of the needle rod 2 is movably sleeved in the bottom end of the thread passing barrel 12 up and down. The thread passing through the thread passing hole 91 of the thread take-up lever can pass through the thread passing hole 131 on the thread passing plate 13, the inside of the thread passing barrel 12 and the inner cavity of the needle bar 2 in sequence and then reach the needle at the bottom end of the needle bar 2.
Further, the wire passing assembly may further include a first wire passing member 14, a second wire passing member 15, and a third wire passing member 16, the first wire passing member 14, the second wire passing member 15, and the third wire passing member 16 are all fixedly mounted on the housing 1, the first wire passing member 14 is located below the take-up lever 9, the second wire passing member 15 is located on an outer peripheral side of the top of the wire passing cylinder 12, and the third wire passing member 16 is located between the first wire passing member 14 and the second wire passing member 15. The first thread passing element 14, the second thread passing element 15 and the third thread passing element 16 are all formed with thread passing holes for passing the thread, so that the thread passing through the thread passing hole 91 of the thread take-up lever can pass through the first thread passing element 14, the third thread passing element 16, the second thread passing element 15, the thread passing hole 131 on the thread passing plate 13 and the thread passing barrel 12 in sequence, enter the cavity of the needle bar 2 and reach the needle at the bottom end of the needle bar 2. This makes it possible to avoid the contact of the stitches with the housing 1.
In this embodiment, referring to fig. 5, preferably, the needlework assembly may include a needle bar looper 17, a needle bar joint 18, a needle bar link 19, a slider 20, and a guide rail 21. The two needle bar fastening rings 17 are arranged, the two needle bar fastening rings 17 are fixedly arranged on the needle bar 2 at intervals along the axial direction of the needle bar 2, one end of the needle bar joint 18 is rotatably sleeved on the needle bar 2 and is positioned between the two needle bar fastening rings 17, and the needle bar joint 18 and the needle bar 2 are relatively fixed in the axial direction through the clamping action of the two needle bar fastening rings 17 on the needle bar joint 18. One end of the needle rod connecting rod 19 is hinged with the second shaft part 82 of the connecting piece 8, and the other end of the needle rod connecting rod 19 is movably sleeved on the needle rod joint 18. The slider 20 is disposed at the other end of the needle bar joint 18, the guide rail 21 is fixedly disposed on the housing 1, the guide rail 21 is provided with a slide groove 211 extending in the axial direction of the needle bar 2, and the slider 20 on the needle bar joint 18 is slidably disposed in the slide groove 211 on the guide rail 21. The axis of the needle bar joint 18 and the hinge axis of the needle bar connecting rod 19 and the second shaft part 82 of the connecting piece 8 (i.e. the axis of the second shaft part 82) are parallel to the axis of the upper shaft 3. When the upper shaft 3 rotates and drives the crank 7 and the connecting piece 8 to swing, the swing of the second shaft part 82 of the connecting piece 8 drives the needle rod connecting rod 19 to swing, thereby driving the needle rod joint 18 to slide up and down along the guide rail 21 and driving the needle rod 2 to move up and down, and realizing the cloth pricking action. Since the needle bar joint 18 is rotatably fitted over the needle bar 2, the stab-on assembly does not hinder the 360 ° rotational adjustment of the needle bar 2.
Preferably, the needle bar rotating template machine of the embodiment may further include a rotating assembly, which is connected to the needle bar 2 and drives the needle bar 2 to rotate, so that 360 ° rotation adjustment of the needle bar 2 during sewing can be achieved.
The structural form of the rotating assembly is not limited. In one embodiment, referring to fig. 4, the rotating assembly may include a worm gear 22, a worm 23, and a second power member 24. The worm wheel 22 is arranged on the needle bar 2, the worm wheel 22 and the needle bar 2 are fixed relatively in the circumferential direction, the worm 23 is rotatably supported on the machine shell 1 through a second bearing 25, the worm 23 is meshed with the worm wheel 22, and the second power element 24 is connected with the worm 23 and drives the worm 23 to rotate. When the worm 23 is driven to rotate by the second power member 24, the worm wheel 22 is driven to rotate, and the needle bar 2 is driven to rotate. The second power member 24 may be an electric motor having a rotary output shaft, and the rotary output shaft of the electric motor is connected to the worm 23 through a second coupling 26. In another embodiment, the output power of the second power member 24 can be transmitted to the needle bar 2 through a bevel gear pair transmission structure or a synchronous wheel synchronous belt transmission structure and drives the needle bar 2 to rotate.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. The needle bar rotating template machine is characterized by comprising a needle bar (2), wherein one side of the needle bar (2) is provided with an upper shaft (3), a thread picking assembly and a cloth pricking assembly, the thread picking assembly and the cloth pricking assembly are arranged on the upper shaft (3), and the upper shaft (3) is driven by a first power part (4) to rotate and drive the thread picking assembly and the cloth pricking assembly to synchronously execute thread picking action and cloth pricking action.
2. The needle bar rotary template machine according to claim 1, further comprising a crank (7) and a connecting piece (8), wherein one end of the crank (7) is fixedly arranged on the upper shaft (3), the connecting piece (8) is provided with a first shaft part (81) and a second shaft part (82) with axes eccentrically arranged, the first shaft part (81) is fixedly arranged at the other end of the crank (7), the thread take-up assembly is hinged with the first shaft part (81), and the thorn cloth assembly is hinged with the second shaft part (82).
3. A needle bar rotary template machine as claimed in claim 2, wherein the thread take-up assembly comprises a thread take-up lever (9), a thread take-up connecting rod (10) and a fixed pin shaft (11), the thread take-up lever (9) is provided with a thread hole (91) for passing a thread, one end of the thread take-up lever (9) is hinged with the first shaft part (81), the other end of the thread take-up lever is hinged with one end of the thread take-up connecting rod (10), and the other end of the thread take-up connecting rod (10) is rotatably sleeved on the pin shaft (11).
4. A needle bar rotary template machine according to claim 3, characterized by further comprising a casing (1) and a thread passing assembly arranged on the casing (1), wherein a cavity is formed in the needle bar (2) in an axial direction in a penetrating manner, and a thread passing through the thread passing hole (91) of the thread take-up lever (9) passes through the cavity of the needle bar (2) from the top of the needle bar (2) after passing through the thread passing assembly.
5. The needle bar rotating template machine according to claim 4, wherein the thread passing assembly comprises a thread passing cylinder (12) and a thread passing plate (13) provided with a thread passing hole (131), the inner part of the thread passing cylinder (12) penetrates through the thread passing plate in the axial direction, the top end of the thread passing cylinder (12) is arranged below the thread passing hole (131) of the thread passing plate (13), and the top end of the needle bar (2) is movably sleeved in the bottom end of the thread passing cylinder (12) up and down.
6. A needle bar rotary template machine according to claim 5, characterized in that the thread passing assembly further comprises a first thread passing member (14) located below the thread take-up lever (9), a second thread passing member (15) located on the top outer periphery side of the thread passing barrel (12), and a third thread passing member (16) located between the first thread passing member (14) and the second thread passing member (15), and a thread passing through the thread passing hole (91) of the thread take-up lever (9) passes through the first thread passing member (14), the third thread passing member (16), the second thread passing member (15), the thread passing plate (13) and the thread passing barrel (12) in sequence and enters the cavity of the needle bar (2).
7. A needle bar rotary template machine according to claim 2, characterized in that the needle bar assembly comprises two needle bar fastening rings (17) arranged on the needle bar (2) at intervals along the axial direction of the needle bar (2), a needle bar joint (18) with one end rotatably sleeved on the needle bar (2) and positioned between the two needle bar fastening rings (17), a needle bar connecting rod (19) with one end hinged with the second shaft part (82) and the other end movably sleeved on the needle bar joint (18), a sliding block (20) arranged at the other end of the needle bar joint (18), and a fixedly arranged guide rail (21), wherein the guide rail (21) is provided with a sliding groove (211) extending along the axial direction of the needle bar (2), and the sliding block (20) is slidably arranged in the sliding groove (211).
8. A needle bar rotary template machine according to claim 1, further comprising a rotating assembly connected with the needle bar (2) and driving the needle bar (2) in rotation.
9. A needle bar rotary template machine according to claim 8, characterized in that the rotating assembly comprises a worm wheel (22) fixedly arranged on the needle bar (2) in the circumferential direction, a worm (23) engaged with the worm wheel (22), and a second power member (24) driving the worm (23) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377054.9A CN111020902A (en) | 2019-12-27 | 2019-12-27 | Needle bar rotating template machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377054.9A CN111020902A (en) | 2019-12-27 | 2019-12-27 | Needle bar rotating template machine |
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| Publication Number | Publication Date |
|---|---|
| CN111020902A true CN111020902A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911377054.9A Pending CN111020902A (en) | 2019-12-27 | 2019-12-27 | Needle bar rotating template machine |
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| Country | Link |
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| CN (1) | CN111020902A (en) |
Cited By (3)
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| CN112226926A (en) * | 2020-10-24 | 2021-01-15 | 深圳市雅诺科技股份有限公司 | Needle bar rotating mechanism of sewing machine |
| CN114086329A (en) * | 2020-08-24 | 2022-02-25 | 杰克科技股份有限公司 | Sewing machine with adjustable thread hooking time of rotating shuttle |
| WO2022206004A1 (en) * | 2021-04-02 | 2022-10-06 | 杰克科技股份有限公司 | Cloth-puncturing take-up module for sewing machine |
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| CN112226926A (en) * | 2020-10-24 | 2021-01-15 | 深圳市雅诺科技股份有限公司 | Needle bar rotating mechanism of sewing machine |
| CN112226926B (en) * | 2020-10-24 | 2022-05-06 | 深圳市雅诺科技股份有限公司 | Needle bar rotating mechanism of sewing machine |
| WO2022206004A1 (en) * | 2021-04-02 | 2022-10-06 | 杰克科技股份有限公司 | Cloth-puncturing take-up module for sewing machine |
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Application publication date: 20200417 |
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| RJ01 | Rejection of invention patent application after publication |