CN210975093U - Sewing machine controlled by three stepping motors - Google Patents
Sewing machine controlled by three stepping motors Download PDFInfo
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- CN210975093U CN210975093U CN201921700559.XU CN201921700559U CN210975093U CN 210975093 U CN210975093 U CN 210975093U CN 201921700559 U CN201921700559 U CN 201921700559U CN 210975093 U CN210975093 U CN 210975093U
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- presser foot
- backstitch
- crank
- stepping motor
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Abstract
The application relates to the technical field of sewing machine manufacturing, and particularly provides a sewing machine controlled by three stepping motors, which is characterized by comprising a backstitch device, a presser foot device and a thread trimming device, wherein the backstitch device is controlled by the backstitch stepping motor, the presser foot device is controlled by the presser foot stepping motor, and the thread trimming device is controlled by the thread trimming stepping motor. The utility model provides a by the sewing machine presser foot device and the thread trimming device of three step motor control respectively adopt respective step motor, will make up the device simultaneously again and combine on sewing machine for the sewing machine function is more complete, thereby improves and makes up efficiency, realizes making up integrating and the variety of function.
Description
Technical Field
The application relates to the technical field of sewing machine manufacturing, and particularly provides a sewing machine controlled by three stepping motors.
Background
At present, the sewing machine on the market adopts a double-step control system, namely, a stepping motor is used for controlling a thread trimming device, another stepping motor is used for controlling a presser foot device, and when the presser foot device and the thread trimming device are controlled and operated by the two stepping motors, the defects of low response speed and slow response of the presser foot and thread trimming actions occur, so that the sewing efficiency is low. In addition, the existing backstitch device is only visible in a sewing machine which combines the actions of presser foot and thread trimming and is used simultaneously, so that various functions cannot be embodied in one machine type, and integration and diversity of sewing functions are lacked.
Disclosure of Invention
Aiming at the defect of low response speed of presser foot and thread trimming actions in the prior art, the invention aims to solve the technical problems of ensuring that the presser foot and thread trimming operations of the sewing machine are smoother and faster, and the function integration and diversity, and particularly provides the sewing machine controlled by three stepping motors The backstitch device is controlled by a backstitch stepping motor which is connected with a backstitch crank, a swinging seat, a cloth connecting shaft and a backstitch connecting rod, the presser foot device is controlled by a presser foot stepping motor which is connected with a presser foot jacking block assembly, a presser foot crank and a presser foot connecting rod, the thread trimming device is controlled by a thread trimming stepping motor which is connected with a fixed support, an eccentric wheel and a thread trimming crank, the backstitch stepping motor is arranged on the surface of a rear window plate, the presser foot stepping motor is arranged and fixed on the surface of a machine head, and the thread trimming stepping motor is arranged on the fixed support.
The presser foot device also comprises a presser foot, the presser foot is driven by the presser foot jacking block assembly to lift and press down, and the presser foot stepping motor is arranged and fixed on the machine head surface.
The trimming device mentioned above is composed of a trimming stepping motor, a fixed support, an eccentric wheel and a trimming crank, wherein the fixed support fixes the trimming stepping motor, the trimming crank is provided with a motor spindle hole and a cylinder, the motor spindle hole of the trimming crank is installed on a trimming stepping motor spindle, the cylinder of the trimming crank is arranged and matched inside the eccentric wheel, when the trimming stepping motor operates, the trimming crank is driven to operate so as to drive the eccentric wheel to operate, and a trimming knife integrated with the eccentric wheel can successfully realize trimming action.
The backstitch device is controlled by a backstitch stepping motor connected with a backstitch crank, a swing seat, a cloth connecting shaft and a backstitch connecting rod, and the backstitch device is connected with the cloth connecting shaft. The backstitch crank is provided with a shaft hole, and the backstitch connecting rod is movably connected with the backstitch crank and the swinging seat. The backstitch stepping motor drives the backstitch crank, and the backstitch connecting rod drives the swing seat to swing and operate along with the backstitch crank, so that the backstitch sewing of the application is realized through the cloth connecting shaft.
Compared with the prior art, the beneficial effects of this application are: through adopting respective step motor respectively to presser foot device and trimming device, will make up the device simultaneously and combine on sewing machine for the sewing machine function is more complete, thereby improves and makes up efficiency, realizes making up integrating and the variety of function.
Drawings
FIG. 1 is an exploded view of a sewing machine controlled by three stepping motors;
FIG. 2 is a schematic view of a presser foot crank of a sewing machine controlled by three stepping motors;
FIG. 3 is a schematic view of a thread trimming apparatus for a sewing machine controlled by three stepping motors;
FIG. 4 is a schematic view of a backstitch mechanism of a sewing machine controlled by three stepping motors;
FIG. 5 is a schematic view of a presser foot stepper motor mounting of a sewing machine controlled by three stepper motors;
FIG. 6 is a schematic view of a backstitch stepper motor installation for a sewing machine controlled by three stepper motors.
In the drawings, the reference numbers: 1. a spindle motor; 2. a backstitch stepper motor; 3. backstitch crank; 31. a shaft hole; 4. a swing seat; 5. a cloth connecting shaft; 6. backstitch connecting rods; 7. a main shaft; 8. a trimming stepping motor; 9. fixing a bracket; 10. an eccentric wheel; 101. a thread cutter; 11. a thread cutting crank; 111. a motor spindle hole; 112. a cylinder; 12. a presser foot top block assembly; 13. a presser foot crank; 131. a first fixing hole; 132. a second fixing hole; 14. a presser foot connecting rod; 15. a presser foot stepping motor; 16. a presser foot; 17. a handpiece surface; 18. and (4) a rear window panel.
Detailed Description
Preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings so that the advantages and features of the application can be more readily understood by those skilled in the art, and thus the scope of the application will be more clearly and clearly defined.
In fig. 1, the sewing machine controlled by three stepping motors is characterized by comprising a backstitch device, a presser foot device and a thread trimming device, wherein the backstitch device is controlled by a backstitch stepping motor 2, the presser foot device is controlled by a presser foot stepping motor 15, the thread trimming device is controlled by a thread trimming stepping motor 8, the backstitch device is composed of a backstitch stepping motor 2, a backstitch crank 3, a swing seat 4, a cloth connecting shaft 5 and a backstitch connecting rod 6, the presser foot device is composed of a presser foot stepping motor 15, a presser foot top block assembly 12, a presser foot crank 13 and a presser foot connecting rod 14, the thread trimming device is composed of a thread trimming stepping motor 8, a fixed support 9, an eccentric wheel 10 and a thread trimming crank 11, the backstitch device is composed of a backstitch stepping motor 2, a backstitch crank 3, a swing seat 4, a cloth connecting shaft 5 and a backstitch connecting rod 6, The presser foot device is controlled by a presser foot stepping motor 15 connected with a presser foot top block assembly 12, a presser foot crank 13 and a presser foot connecting rod 14, the thread trimming device is controlled by a thread trimming stepping motor 8 connected with a fixed bracket 9, an eccentric wheel 10 and a thread trimming crank 11, and the presser foot stepping motor 15 is installed and fixed on a machine head surface 17. The sewing machine is provided with a main shaft 7, and the main shaft 7 is connected with a power main shaft motor 1 of the sewing machine.
In fig. 1 and 2, the above mentioned presser foot device is composed of a presser foot stepping motor 15, a presser foot top block assembly 12, a presser foot crank 13 and a presser foot connecting rod 14, the presser foot crank 13 is provided with a first fixing hole 131 connected with the presser foot stepping motor 15 and a second fixing hole 132 connected with the presser foot connecting rod 14, the presser foot top block assembly 12 is connected with the presser foot connecting rod 14, the presser foot device of the present application is also provided with a presser foot 16, the presser foot 16 is driven by the presser foot top block assembly 12 to press down, and the presser foot stepping motor 15 is installed and fixed on a machine head surface 17.
In fig. 1 and 3, the trimming device is composed of a trimming stepping motor 8, a fixing bracket 9, an eccentric wheel 10 and a trimming crank 11, the fixing bracket 9 fixes the trimming stepping motor 8, the trimming crank 11 has a motor spindle hole 111 and a cylinder 112, the motor spindle hole 111 of the trimming crank 11 is installed on a spindle of the trimming stepping motor 8, the cylinder 112 of the trimming crank 11 is arranged and matched inside the eccentric wheel 10, when the trimming stepping motor 8 operates, the trimming crank 11 is driven to operate so as to drive the eccentric wheel 10 to operate, and the trimming knife 101 integrated with the eccentric wheel 10 can successfully implement trimming.
In fig. 1 and 4, the backstitch device is controlled by a backstitch stepping motor 2 connected with a backstitch crank 3, a swing seat 4, a cloth connecting shaft 5 and a backstitch connecting rod 6, and the backstitch device is connected with the cloth connecting shaft 5. The backstitch crank 3 is provided with a shaft hole 31, and the backstitch connecting rod 6 is movably connected with the backstitch crank 3 and the swinging seat 4. Backstitch step motor 2 drives backstitch crank 3, and backstitch connecting rod 6 drives swing seat 4 swing operation along with backstitch crank 3 to make even cloth axle 5 realize the backstitch of this application and make up.
In fig. 5 and 6, the backstitch stepping motor 2 is arranged on the rear window panel surface 18, and the trimming stepping motor 8 is arranged on the fixing bracket 9.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (7)
1. A sewing machine controlled by three stepping motors is characterized by comprising a backstitch device, a presser foot device and a thread trimming device, wherein the backstitch device is provided with a backstitch stepping motor, the presser foot device is provided with a presser foot stepping motor, the thread trimming device is provided with a thread trimming stepping motor, the backstitch device is controlled by the backstitch stepping motor, the presser foot device is controlled by the presser foot stepping motor, and the thread trimming device is controlled by the thread trimming stepping motor.
2. The sewing machine of claim 1, wherein the backstitch stepper motor is mounted on the rear window panel, the presser foot stepper motor is mounted on the fixed bracket, and the thread trimming stepper motor is mounted on the head panel.
3. The sewing machine controlled by three stepping motors as claimed in claim 1, wherein the backstitch device further comprises a backstitch crank, a swing seat, a cloth connecting shaft and a backstitch connecting rod, the presser device further comprises a presser foot top block assembly, a presser foot crank and a presser foot connecting rod, and the thread trimming device further comprises a fixed support, an eccentric wheel and a thread trimming crank.
4. The sewing machine of claim 1, wherein the backstitch mechanism is controlled by a backstitch stepping motor coupled to the backstitch crank, the swing seat, the cloth connecting shaft and the backstitch link, the presser foot mechanism is controlled by a presser foot stepping motor coupled to the presser foot top block assembly, the presser foot crank and the presser foot link, and the thread trimming mechanism is controlled by a thread trimming stepping motor coupled to the fixed bracket, the eccentric wheel and the thread trimming crank.
5. The sewing machine controlled by three stepping motors as claimed in claim 4, wherein the presser foot crank has a first fixing hole connected with the presser foot stepping motor and a second fixing hole connected with the presser foot connecting rod, the presser foot top block assembly is connected with the presser foot connecting rod, the presser foot device further has a presser foot, the presser foot is driven by the presser foot top block assembly to lift and press down, and the presser foot stepping motor is fixed on the fixing bracket.
6. The sewing machine controlled by three stepping motors as claimed in claim 4, wherein the thread cutting crank has a motor spindle hole and a cylinder, the motor spindle hole of the thread cutting crank is mounted on the spindle of the thread cutting stepping motor, and the cylinder of the thread cutting crank is arranged to fit inside the eccentric wheel.
7. The sewing machine controlled by three stepping motors as claimed in claim 4, wherein the backstitch device is connected with a cloth connecting shaft, the backstitch crank is provided with a shaft hole, and the backstitch connecting rod is movably connected with the backstitch crank and the swing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921700559.XU CN210975093U (en) | 2019-10-12 | 2019-10-12 | Sewing machine controlled by three stepping motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921700559.XU CN210975093U (en) | 2019-10-12 | 2019-10-12 | Sewing machine controlled by three stepping motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210975093U true CN210975093U (en) | 2020-07-10 |
Family
ID=71445755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921700559.XU Active CN210975093U (en) | 2019-10-12 | 2019-10-12 | Sewing machine controlled by three stepping motors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210975093U (en) |
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2019
- 2019-10-12 CN CN201921700559.XU patent/CN210975093U/en active Active
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