CN204690316U - A kind of low noise high-speed handpiece needle bar drive device of embroidery machine - Google Patents
A kind of low noise high-speed handpiece needle bar drive device of embroidery machine Download PDFInfo
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- CN204690316U CN204690316U CN201520364408.7U CN201520364408U CN204690316U CN 204690316 U CN204690316 U CN 204690316U CN 201520364408 U CN201520364408 U CN 201520364408U CN 204690316 U CN204690316 U CN 204690316U
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- cam
- shank
- casing
- rocking arm
- drive device
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Abstract
The utility model discloses a kind of low noise high-speed handpiece needle bar drive device of embroidery machine, comprise casing and be arranged on the shank in casing, also be provided with in described casing be connected with line shaft cam, connect the rocking arm of cam, the rocking bar of connecting rocker arm and back-moving spring, described cam is disc cam, described rocking bar is connected with shank, and the middle part of described rocking arm is hinged in casing.The utility model adopts cam and rocking arm to drive shank to move down, upwards resetted by back-moving spring, back-moving spring makes rocking arm all the time near cam, not only reduces the noise of machine, but also simplify mechanical structure, reduce the fault rate of machine, extend the service life of machine, further, described cam and rocking arm contact surface are soft cover, ear-piercing " rattling away " sound can not be produced, avoid affecting the healthy of workman, hommization more.
Description
Technical field
The utility model relates to a kind of towel embroidery machine, is specifically related to a kind of low noise high-speed handpiece needle bar drive device of embroidery machine.
Background technology
In prior art, because adopting cam structure to drive shank, there is comparatively fierce shock in the head on existing common computer towel embroidery machine between cam face and drive link, thus cause noise comparatively large, produces noise pollution.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides the towel embroidery machine low noise high-speed handpiece needle bar drive device that a kind of structure is simple, failure rate is low, noise are low.
The utility model solves the technical scheme that its technical problem adopts:
A kind of low noise high-speed handpiece needle bar drive device of embroidery machine, comprise casing and be arranged on the shank in casing, also be provided with in described casing be connected with line shaft cam, connect the rocking arm of cam, the rocking bar of connecting rocker arm and back-moving spring, described cam is disc cam, described rocking bar is connected with shank, and the middle part of described rocking arm is hinged in casing.
At the utility model, the contact surface of described cam and rocking arm is soft cover.
At the utility model, described back-moving spring is arranged on shank.
At the utility model, the contact position of described rocking arm and cam is provided with roller.
The beneficial effects of the utility model are: the utility model adopts cam and rocking arm to drive shank to move down, upwards resetted by back-moving spring, back-moving spring makes rocking arm all the time near cam, not only reduces the noise of machine, but also simplify mechanical structure, reduce the fault rate of machine, extend the service life of machine, further, described cam and rocking arm contact surface are soft cover, ear-piercing " rattling away " sound can not be produced, avoid affecting the healthy of workman, hommization more.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated:
Fig. 1 is the structural representation of head;
Fig. 2 is the structural representation of needle bar drive device.
Detailed description of the invention
Referring to figs. 1 through Fig. 2, the low noise high-speed handpiece needle bar drive device of a kind of embroidery machine that the present embodiment provides, comprise casing 1 and be arranged on the shank 2 in casing 1, the cam 4 be connected with line shaft 3, the Rocker arm 5 connecting cam 4, the rocking bar 6 of connecting rocker arm 5 and back-moving spring 7 is also provided with in described casing 1, described cam 4 is disc cam, facilitates clutch Rocker arm 5 and cam 4 to be separated.Described rocking bar 6 is connected with shank 2, and the middle part of described Rocker arm 5 is hinged in casing 1.Described cam 4 is soft cover with the contact surface of Rocker arm 5, and in the present embodiment, described cam 4 is nylon cam, and when clashing into, noise is less.Cam 4 and Rocker arm 5 drive shank 2 to move down, and are upwards resetted by back-moving spring 7.
As preferred embodiment, described back-moving spring 7 is arranged on shank 2, and the other end of back-moving spring 7 is fixed in casing 1, and certain back-moving spring 7 also can be arranged on auxiliary rod 9, also can be arranged on Rocker arm 5 or rocking bar 6, as long as can play Rocker arm 5 reset function.For reducing to clash into, the contact position of described Rocker arm 5 and cam 4 is provided with roller 8.The side of described shank 2 is provided with at least one auxiliary rod 9, and described auxiliary rod 9 is provided with slide block 10, and slide block 10 is connected with shank 2 by a shift fork, and described back-moving spring 7 is positioned at wherein on an auxiliary rod 9.
The foregoing is only preferred embodiments of the present utility model, as long as the technical scheme realizing the utility model object with basic same approach all belongs within protection domain of the present utility model.
Claims (5)
1. the low noise high-speed handpiece needle bar drive device of an embroidery machine, comprise casing (1) and be arranged on the shank (2) in casing (1), it is characterized in that: in described casing (1), be also provided with the cam (4) be connected with line shaft (3), the rocking arm (5) connecting cam (4), the rocking bar (6) of connecting rocker arm (5) and back-moving spring (7), described cam (4) is disc cam, described rocking bar (6) is connected with shank (2), and the middle part of described rocking arm (5) is hinged in casing (1).
2. the low noise high-speed handpiece needle bar drive device of a kind of embroidery machine according to claim 1, it is characterized in that: the side of described shank (2) is provided with at least one auxiliary rod (9), described auxiliary rod (9) is provided with slide block (10), slide block (10) is connected with shank (2) by a shift fork, and described back-moving spring (7) is positioned at wherein on an auxiliary rod (9).
3. the low noise high-speed handpiece needle bar drive device of a kind of embroidery machine according to claim 1, is characterized in that: described cam (4) is soft cover with the contact surface of rocking arm (5).
4. the low noise high-speed handpiece needle bar drive device of a kind of embroidery machine according to claim 1, is characterized in that: described back-moving spring (7) is arranged on shank (2).
5. the low noise high-speed handpiece needle bar drive device of a kind of embroidery machine according to claim 1, is characterized in that: described rocking arm (5) is provided with roller (8) with the contact position of cam (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520364408.7U CN204690316U (en) | 2015-05-29 | 2015-05-29 | A kind of low noise high-speed handpiece needle bar drive device of embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520364408.7U CN204690316U (en) | 2015-05-29 | 2015-05-29 | A kind of low noise high-speed handpiece needle bar drive device of embroidery machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204690316U true CN204690316U (en) | 2015-10-07 |
Family
ID=54230626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520364408.7U Active CN204690316U (en) | 2015-05-29 | 2015-05-29 | A kind of low noise high-speed handpiece needle bar drive device of embroidery machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204690316U (en) |
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2015
- 2015-05-29 CN CN201520364408.7U patent/CN204690316U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171124 Address after: Hua Industrial Zone Lecong town Shunde District 528000 North Guangdong city of Foshan province No. 9 Patentee after: Foshan Aoyu Computer Machinery Co. Ltd. Address before: 528000 Guangdong province Foshan city Lecong District Shunde Town Sha Jiao Dong Cun Dong tou Dong Jie Lane five No. 2 Patentee before: Chen Qicong |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190617 Address after: 528000 No. 2, Five Lanes, Dongtou East Street, Shajiaodong Village, Lecong Town, Shunde District, Foshan City, Guangdong Province Patentee after: Chen Qicong Address before: 528000 North District, Lecong Town, Shunde District, Foshan City, Guangdong Province Patentee before: Foshan Aoyu Computer Machinery Co. Ltd. |
|
| TR01 | Transfer of patent right |