CN106436070B - Built-in sewing machine wire winding mechanism - Google Patents
Built-in sewing machine wire winding mechanism Download PDFInfo
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- CN106436070B CN106436070B CN201611226938.0A CN201611226938A CN106436070B CN 106436070 B CN106436070 B CN 106436070B CN 201611226938 A CN201611226938 A CN 201611226938A CN 106436070 B CN106436070 B CN 106436070B
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- winding
- bobbin
- sewing machine
- connecting rod
- bevel gear
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B59/00—Applications of bobbin-winding or -changing devices; Indicating or control devices associated therewith
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a built-in winding mechanism of a sewing machine, which comprises a machine shell and a motor transmission mechanism arranged in the machine shell, wherein the sewing machine winding mechanism is arranged in the machine shell and can fix a shuttle peg and finish automatic winding operation of the shuttle peg. The invention utilizes the clutch state between the annular rubber ring and the bevel gear to complete the automatic bobbin winding operation, and the winding mechanism of the sewing machine is arranged in the shell and has the advantages of reasonable structural design, high automation degree, good working stability and the like.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a built-in type sewing machine winding mechanism.
Background
The sewing machine usually accomplishes cloth sewing through bottom thread and upper thread, and the bottom thread is provided by the shuttle peg around having the bottom thread in the shuttle, and at specific sewing in-process, temporary lack of thread condition can appear in the shuttle peg, at this moment need carry out the wire winding operation to the shuttle peg, if change whole shuttle peg, then too extravagant, but then too loaded down with trivial details with manual wire winding, take time and take a lot of work, consequently improve to accomplish automatic wire winding operation for motor drive mechanism with the help of sewing machine. The existing winding mechanism of the sewing machine is complex in structure, large in size and unreasonable in design, is externally arranged outside a machine shell, not only affects the attractiveness of the sewing machine, but also interferes the production process, affects the working efficiency and the working stability and reliability of the sewing machine, and is high in failure rate. In addition, the existing winding mechanism of the sewing machine needs a human hand to observe the winding condition at any time in the winding process, so that the phenomenon of overfull winding is prevented, the automation degree is low, and the working efficiency is low.
Therefore, how to realize a built-in sewing machine winding mechanism with simple structure, reasonable design, low production cost and high automation degree is a technical problem to be solved urgently in the industry.
Disclosure of Invention
The invention mainly aims to provide a built-in type sewing machine winding mechanism, and aims to realize the built-in type sewing machine winding mechanism which is simple in structure, reasonable in design, low in production cost and high in automation degree.
The invention provides a built-in sewing machine winding mechanism, which comprises a machine shell and a motor transmission mechanism arranged in the machine shell, wherein the motor transmission mechanism comprises a motor, a main shaft capable of rotating along with the work of the motor and a driven gear arranged on the main shaft and capable of rotating along with the rotation of the main shaft, the upper end surface of the machine shell is provided with a containing groove capable of containing a shuttle peg at the position corresponding to the position of the driven gear, a panel is covered on the containing groove, the sewing machine winding mechanism is arranged in the machine shell and can fix the shuttle peg and complete the automatic winding operation of the shuttle peg, the sewing machine winding mechanism comprises a bracket, a connecting rod, a bevel gear mechanism linked with the driven gear, a winding shaft mechanism capable of rotating along with the rotation of the bevel gear mechanism and a shifting fork mechanism, the winding shaft mechanism comprises an annular rubber ring capable of abutting against and rotating along with the bevel gear mechanism and a winding shaft capable of rotating along with the rotation of the annular rubber ring, the bobbin comprises a lower end part fixedly connected with the annular rubber ring, an intermediate part sequentially penetrating through the bracket and the connecting rod, and an upper end part extending out of the connecting rod, and the bobbin is clamped on the upper end part and can rotate along with the rotation of the annular rubber ring so as to be wound; one end of the connecting rod is rotationally connected with the support through a rivet, and the other end of the connecting rod is rotationally connected with the winding shaft through a bolt, so that the connecting rod can swing along the rivet; and a limiting eccentric wheel which can support the shuttle peg so that the winding shaft moves towards the direction far away from the bevel gear mechanism along with the increase of the winding amount of the shuttle peg is arranged at the corresponding position of the shuttle peg, so that the annular rubber ring is separated from the bevel gear mechanism to finally stop the winding operation of the shuttle peg.
Preferably, the bevel gear mechanism comprises a bevel gear shaft fixedly arranged on the bracket and a bevel gear rotationally sleeved on the bevel gear shaft through a first check ring and linked with the driven gear.
Preferably, the fork mechanism comprises a reversing fork and a spring.
Preferably, the upper end portion is provided with an open slot, and a clamp spring capable of clamping and fixing the bobbin is embedded in the open slot.
Preferably, the bracket is fixed in the casing, the upper end portion of the bracket penetrates through the casing and is arranged in the accommodating groove, and the limiting eccentric wheel is arranged in the accommodating groove and penetrates through the casing to be fixedly connected with the bracket.
Preferably, the end of the rivet is provided with a second retainer ring which can enable the connecting rod to be rotationally fixed on the bracket.
The built-in sewing machine winding mechanism is arranged in the shell and can be linked with the motor transmission mechanism, so that the bobbin fixed on the sewing machine winding mechanism can be automatically wound. The invention is characterized in that a bracket is fixed in a machine shell, the upper end part of the bracket penetrates through the machine shell and is arranged in a containing groove, a limiting eccentric wheel is arranged in the containing groove and penetrates through the machine shell and is fixedly connected with the bracket, the upper end part of a fixable shuttle peg and the limiting eccentric wheel are arranged in the containing groove, a panel can be covered on the containing groove, so that a sewing machine winding mechanism is not exposed outside the machine shell, the sewing machine is simple and beautiful in appearance, meanwhile, the sewing machine winding mechanism is arranged in the sewing machine, the normal work of the sewing machine is not interfered, the working stability and the working efficiency of the sewing machine are improved, in addition, a shifting fork mechanism acts on a connecting rod to lead the connecting rod to swing along a rivet, so that a winding shaft mechanism swings along with the swing of the connecting rod, an annular rubber ring is linked with a bevel gear mechanism and drives a winding shaft to rotate to finally lead the shuttle peg to wind, the operation is convenient, the winding speed is high, and idle rotation, slipping and the like are avoided, the operating stability is high, and the practicality is strong, and under spacing eccentric wheel's effect, thereby the spool can make annular rubber circle break away from bevel gear mechanism and then stop the bobbin winding operation along with the increase of bobbin winding volume towards the direction removal of keeping away from bevel gear mechanism when full line, can automize and stop the winding operation, and degree of automation is high, and performance is superior. The built-in winding mechanism of the sewing machine, which is simple in structure, small in size, reasonable and novel in design, few in parts, low in production cost, high in automation degree and excellent in service performance, is really realized.
Drawings
FIG. 1 is an exploded perspective view of an embodiment of a built-in thread winding mechanism of a sewing machine according to the present invention;
FIG. 2 is a second exploded perspective view of an embodiment of a built-in thread winding mechanism of a sewing machine according to the present invention;
FIG. 3 is a schematic perspective view of an embodiment of a built-in thread winding mechanism of the sewing machine according to the present invention;
FIG. 4 is a schematic top view of an embodiment of a built-in sewing machine thread winding mechanism according to the present invention;
FIG. 5 is a schematic bottom view of an embodiment of a built-in thread winding mechanism of the present invention;
FIG. 6 is a schematic side view of an embodiment of a built-in thread winding mechanism of a sewing machine according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 6, an embodiment of a built-in thread winding mechanism of a sewing machine according to the present invention is provided, wherein the sewing machine includes a housing, and a motor transmission mechanism disposed in the housing, the motor transmission mechanism includes a motor, a main shaft rotatable with the operation of the motor, and a driven gear disposed on the main shaft and rotatable with the rotation of the main shaft. The upper end face of the shell is provided with a containing groove capable of containing the shuttle peg 100 at the corresponding position of the driven gear, the upper cover of the containing groove is provided with a panel, the panel enables the containing groove not to be exposed to influence the overall aesthetic degree of the sewing machine, the structure is simple and practical, and the design is reasonable and novel.
The sewing machine winding mechanism of the invention is arranged in the machine shell, and can fix the bobbin 100 and complete the automatic winding operation of the bobbin 100.
The sewing machine winding mechanism comprises a support 200, a connecting rod 300 fixed on the support 200, a bevel gear mechanism which is linked with a driven gear and can rotate along with the rotation of the driven gear, a winding shaft mechanism which can rotate along with the rotation of the bevel gear mechanism, and a shifting fork mechanism which can shift the connecting rod 300 to swing, wherein the support 200 can fix the sewing machine winding mechanism in a machine shell, and the sewing machine winding mechanism is simple in structure and convenient to assemble and install.
The bevel gear mechanism comprises a bevel gear shaft 401 fixedly arranged on the bracket 200 and a bevel gear 402 rotationally sleeved on the bevel gear shaft 401 through a first retainer ring 403 and linked with the driven gear.
The winding shaft mechanism comprises an annular rubber ring 501 which can be abutted against the bevel gear mechanism and can rotate along with the rotation of the bevel gear 402, and a winding shaft 502 which can rotate along with the rotation of the annular rubber ring 501. The bobbin 502 includes a lower end fixedly connected to the annular rubber ring 501, an intermediate portion sequentially passing through the bracket 200 and the link 300, and an upper end extending outside the link 300, and the lower end, the intermediate portion, and the upper end are integrally formed. An open slot 503 is formed at the upper end of the bobbin 502, and a clamp spring 504 capable of clamping the bobbin 100 is embedded in the open slot 503. The bobbin 100 is caught by the catch spring 504 at the upper end portion, and the bobbin 100 is rotatable with the rotation of the bobbin shaft 502 (i.e., the bobbin 100 is rotatable with the rotation of the annular rubber ring 501) so that the thread can be wound. The link 300 is rotatably connected to the bracket 200 at one end thereof by a rivet 301, and rotatably connected to the bobbin 502 at the other end thereof by a pin 505, and the link 300 can swing along the rivet 301. The end of the rivet 301 is provided with a second stop 302 which can make the connecting rod 300 fixed on the bracket 200 in a rotating way. External force acts on the shifting fork mechanism, the shifting fork mechanism shifts the connecting rod 300 to swing along the rivet 301, so that the bobbin mechanism swings along with the connecting rod 300, the annular rubber ring 501 is linked with the bevel gear mechanism, the winding shaft 502 is driven to rotate, and finally the bobbin 100 is wound. A position corresponding to the position of the bobbin 100 is provided with a limiting eccentric wheel 700, the limiting eccentric wheel 700 can be abutted against the bobbin 100, so that the winding shaft 502 moves towards the direction away from the bevel gear mechanism along with the increase of the winding amount of the bobbin 100, and the annular rubber ring 501 is separated from the bevel gear mechanism to finally stop the winding operation of the bobbin 100.
In this embodiment, the shift fork mechanism includes a reversing shift fork 601 and a spring 602.
The built-in winding mechanism of the sewing machine is arranged in the shell and can be linked with the motor transmission mechanism, so that the bobbin 100 fixed on the winding mechanism of the sewing machine can be automatically wound. The sewing machine winding mechanism comprises a support 200, a connecting rod 300, a bevel gear mechanism linked with a driven gear, a winding shaft mechanism and a shifting fork mechanism which can rotate along with the rotation of the bevel gear mechanism, and has the advantages of simple structure, reasonable design, few parts and low production cost. The support 200 is fixed in the machine shell through a screw connection mode, so that all parts fixed on the support 200 are embedded in the machine shell, the upper end part of the support passes through the machine shell and is arranged in the accommodating groove, the limiting eccentric wheel 700 fixedly connected with the support 200 passes through the machine shell and is arranged in the accommodating groove, the upper end part of the fixable shuttle peg 100 and the limiting eccentric wheel 700 are arranged in the accommodating groove, meanwhile, a panel can be covered on the accommodating groove, when the winding operation is not needed, the panel is covered on the accommodating groove, the winding mechanism of the sewing machine is not exposed outside the machine shell, the phenomenon that the independent and externally arranged winding mechanism of the sewing machine interferes with the production process is effectively avoided, the working efficiency and the working stability and reliability of the sewing machine are ensured, and the whole appearance of the sewing machine is smooth, simple and attractive. When the winding operation is performed, the panel is opened, the bobbin 100 is clamped and fixed on the upper end portion, then the panel is covered, the shifting fork mechanism is shifted, the connecting rod 300 is made to swing along the rivet 301, the bobbin 502 passes through the connecting rod 300, so when the connecting rod 300 swings, the bobbin mechanism is driven to swing, the bobbin mechanism is abutted against the bevel gear mechanism, the annular rubber ring 501 of the bobbin mechanism can rotate along with the rotation of the bevel gear 402, the bobbin 100 hidden in the accommodating groove rotates along with the rotation of the bobbin mechanism and performs winding operation, the bobbin 100 is hidden in the accommodating groove, the bobbin 100 does not occupy space completely, the normal sewing work of the sewing machine is not influenced, the working efficiency of the sewing machine is improved, the structure is simple, the design is reasonable and novel, the bobbin mechanism of the sewing machine hidden in the machine shell and the accommodating groove does not influence the whole framework of the sewing machine, and the appearance of the sewing machine is simple and attractive.
In addition, the traditional structure style of the sewing machine winding mechanism is changed, in the traditional structure, the annular rubber ring 501 is directly abutted against the side wall of the main gear on the main shaft, so that the annular rubber ring 501 rotates along with the rotation of the main gear, and the annular rubber ring 501 and the main gear rotate mutually through friction. The invention relates to a sewing machine winding mechanism, wherein a bevel gear mechanism is rotatably fixed on a bracket 200, a bevel gear 402 of the bevel gear mechanism is meshed with a driven gear on a main shaft so as to enable the bevel gear 402 to rotate along with the rotation of the main shaft, the bevel gear 402 is tightly meshed with the driven gear, the phenomena of poor contact, idle rotation, slipping and the like can not occur, the working stability is high, and the service life is long. The annular rubber ring 501 arranged on the winding shaft 502 can be abutted against the bevel gear 402 and rotate along with the rotation of the bevel gear 402, and the annular rubber ring 501 can also be separated from the bevel gear 402 to realize the clutch effect between the annular rubber ring 501 and the bevel gear 402. Still be equipped with a connecting rod 300 on the support 200, connecting rod 300 one end is passed through rivet 301 and is rotated with support 200 and be connected, the other end rotates through a bolt 505 and is connected with spool 502, be equipped with on the support 200 and supply spool 502 to pass and can supply spool 502 to swing along with connecting rod 300 along with a spacing breach 201 of spool 300, spool 502 swings along with connecting rod 300 in spacing breach 201 when connecting rod 300 swings along rivet 301, thereby can stir the swing of connecting rod 300 through the fork mechanism and realize the separation and reunion effect between annular rubber circle 501 and bevel gear 402, moreover, the steam generator is simple in structure, and the design is reasonable and novel.
When external force acts on the shifting fork mechanism, the connecting rod 300 is shifted to swing through the reversing shifting fork 601, the winding shaft 502 swings in the limiting notch 201 along with the swinging of the connecting rod 300, meanwhile, the annular rubber ring 501 fixed on the lower end portion abuts against the outer side wall of the bevel gear 402 to achieve the joint effect between the annular rubber ring 501 and the bevel gear 402, the annular rubber ring 501 can rotate along with the rotation of the bevel gear 402, meanwhile, the winding shaft 502 rotates along with the rotation of the annular rubber ring 501, the bobbin 100 clamped on the upper end portion through the clamp spring 504 rotates along with the rotation of the winding shaft 502, and finally, the winding operation of the bobbin 100 is completed. When the winding amount of the bobbin 100 reaches a certain amount, the bobbin 100 is in contact with the limiting eccentric wheel 700, the larger the interaction force between the bobbin 100 and the limiting eccentric wheel 700 is along with the continuous increase of the winding amount of the bobbin 100, the limiting eccentric wheel 700 is fixed on the support 200 and is immovable, so that the bobbin 100 moves towards the direction away from the limiting eccentric wheel 700 along with the continuous increase of the interaction force, namely, the winding shaft 502 moves towards the direction away from the bevel gear mechanism along with the increase of the winding amount of the bobbin 100, so that the annular rubber ring 501 is separated from the bevel gear mechanism to realize the separation effect between the annular rubber ring 501 and the bevel gear 402, the winding operation of the bobbin 100 is finally stopped, and the automatic stop operation is realized. Convenient operation, the winding speed is fast, the bobbin 100 is blocked and fixed at the upper end through jump ring 504, phenomena such as idle running, skidding can not take place between spool 502 and bobbin 100, job stabilization is reliable, therefore, the clothes hanger is strong in practicability, and under the effect of spacing eccentric wheel 700, thereby spool 502 can make annular rubber circle 501 automatic keep away from bevel gear mechanism and then stop bobbin 100 winding operation when full line along with the increase of bobbin 100 winding capacity and remove towards the direction of keeping away from bevel gear mechanism, but automatic stop winding operation, degree of automation is high, superior performance, high work efficiency.
Therefore, the built-in winding mechanism of the sewing machine solves the problems of complex structure, large volume, low working efficiency, low automation degree and poor working stability of the existing winding mechanism of the sewing machine, and has the advantages of simple structure, small volume, reasonable and novel design, built-in type, few parts, low production cost, high automation degree, superior service performance and the like.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A built-in type sewing machine winding mechanism comprises a machine shell and a motor transmission mechanism arranged in the machine shell, wherein the motor transmission mechanism comprises a motor, a main shaft capable of rotating along with the work of the motor and a driven gear arranged on the main shaft and capable of rotating along with the rotation of the main shaft, a containing groove capable of containing a shuttle peg is arranged on the upper end surface of the machine shell at the position corresponding to the position of the driven gear, and a panel is arranged on the containing groove The bobbin comprises a bobbin core, a bobbin winding shaft, a connecting rod and a bobbin, wherein the bobbin winding shaft can rotate along with the rotation of the annular rubber ring, the bracket is provided with a limiting notch through which the bobbin winding shaft can pass and can swing along with the connecting rod, the bobbin winding shaft comprises a lower end part fixedly connected with the annular rubber ring, an upper end part sequentially passing through the middle parts of the bracket and the connecting rod and extending out of the connecting rod, and the bobbin core is clamped on the upper end part and can rotate along with the rotation of the annular rubber ring so as to be wound; one end of the connecting rod is rotationally connected with the support through a rivet, the other end of the connecting rod is rotationally connected with the winding shaft through a bolt, so that the connecting rod can swing along the rivet, the shifting fork mechanism can shift the connecting rod to swing along the rivet under the action of external force, so that the winding shaft mechanism swings along with the swinging of the connecting rod, the annular rubber ring is linked with the bevel gear mechanism, the winding shaft is driven to rotate, and finally the shuttle peg is wound; and a position-limiting eccentric wheel which can be abutted against the shuttle peg so that the winding shaft moves towards the direction far away from the bevel gear mechanism along with the increase of the winding quantity of the shuttle peg is arranged at the corresponding position of the shuttle peg, so that the annular rubber ring is separated from the bevel gear mechanism, and the winding operation of the shuttle peg is finally stopped.
2. The built-in winding mechanism of a sewing machine according to claim 1, wherein the bevel gear mechanism comprises a bevel gear shaft fixedly arranged on the bracket, and a bevel gear rotatably sleeved on the bevel gear shaft through a first check ring and linked with the driven gear.
3. A built-in sewing machine thread winding mechanism according to claim 1 or 2, wherein the fork mechanism comprises a reversing fork, a spring.
4. The built-in winding mechanism of sewing machine according to claim 3, wherein the upper end portion is provided with an open slot, and a clamp spring for clamping the bobbin is embedded in the open slot.
5. The built-in winding mechanism of sewing machine according to claim 4, wherein the bracket is fixed in the housing, the upper end portion passes through the housing and is disposed in the accommodating groove, and the limiting eccentric wheel is disposed in the accommodating groove and passes through the housing and is fixedly connected with the bracket.
6. The built-in sewing machine thread winding mechanism according to claim 5, wherein the end of the rivet is provided with a second retainer ring for rotatably fixing the connecting rod to the bracket.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226938.0A CN106436070B (en) | 2016-12-27 | 2016-12-27 | Built-in sewing machine wire winding mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226938.0A CN106436070B (en) | 2016-12-27 | 2016-12-27 | Built-in sewing machine wire winding mechanism |
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| CN106436070A CN106436070A (en) | 2017-02-22 |
| CN106436070B true CN106436070B (en) | 2022-05-03 |
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| CN201611226938.0A Active CN106436070B (en) | 2016-12-27 | 2016-12-27 | Built-in sewing machine wire winding mechanism |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190433A (en) * | 2017-07-05 | 2017-09-22 | 拓卡奔马机电科技有限公司 | A kind of winding mechanism of sewing machine |
| CN108130660B (en) * | 2018-01-27 | 2023-07-28 | 舒普智能技术股份有限公司 | Automatic winder for sewing machine and sewing machine |
| CN108265380B (en) * | 2018-03-06 | 2023-05-05 | 沈红 | Shuttle capable of quickly withdrawing weft yarn for silk tapestry |
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