CN212145380U - Stress-free clamping device for machined part - Google Patents
Stress-free clamping device for machined part Download PDFInfo
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- CN212145380U CN212145380U CN202020316902.7U CN202020316902U CN212145380U CN 212145380 U CN212145380 U CN 212145380U CN 202020316902 U CN202020316902 U CN 202020316902U CN 212145380 U CN212145380 U CN 212145380U
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- centre gripping
- open slot
- clamping device
- fixedly connected
- ball screw
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Abstract
The utility model discloses a machining part unstressed clamping device, comprising a base plate, bottom plate upper end middle part fixedly connected with hydraulic cylinder, hydraulic cylinder upper end fixedly connected with centre gripping workstation, the second open slot that first open slot and bilateral symmetry set up is seted up from inside to outside in proper order to centre gripping workstation upper end, first open slot internal rotation is connected with ball screw, the ball screw rear end passes centre gripping workstation and rotates in proper order and be connected with shaft coupling and motor, the sliding seat that symmetry set up around ball screw outside swing joint has in the first open slot, sliding seat upper end fixedly connected with centre gripping curb plate. This machining part unstressed clamping device guarantees that the part is stabilized by the centre gripping under the unstressed condition, has improved the precision and the quality degree of machining part, and practicality and application scope are wider, improve the stationarity when the centre gripping workstation goes up and down, reduce the frictional force to the part, the height of the accurate adjustment of being convenient for goes up and down.
Description
Technical Field
The utility model relates to a clamping device technical field specifically is a machining part unstressed clamping device.
Background
The machining is a process of changing the outer dimensions or properties of a workpiece by a mechanical device, and a process of changing the shape, dimensions, position, properties, and the like of a production object to make it a finished product or a semi-finished product is called a machining process, which is a main part of the production process and can be classified into cutting machining and press machining according to differences in machining modes.
Along with modern machining's rapid development, machining technique rapid development, slowly the emergence many advanced machining technical method, in order to guarantee the stability of part, clamping device's use is indispensable, but current clamping device easily produces clamping stress when the centre gripping, reduces the precision of product processing, and clamping device's height can not adjust, the shortcoming that the practicality is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a machining part unstressed clamping device to propose current clamping device in solving above-mentioned background art when the centre gripping, easily produce clamping stress, reduce the precision of product processing, and clamping device's height can not adjust, problem that the practicality is low.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a machining part unstressed clamping device, includes the bottom plate, bottom plate upper end middle part fixedly connected with hydraulic cylinder, hydraulic cylinder upper end fixedly connected with centre gripping workstation, the second open slot that first open slot and bilateral symmetry set up has been seted up from inside to outside in proper order to centre gripping workstation upper end, first open slot internal rotation is connected with ball screw, ball screw rear end passes centre gripping workstation and rotates in proper order and is connected with shaft coupling and motor, ball screw outside swing joint has the sliding seat that the front and back symmetry set up in the first open slot, sliding seat upper end fixedly connected with centre gripping curb plate.
Preferably, a through hole is formed in the clamping side plate, a threaded rod is inserted into the through hole and the other through hole, adjusting nuts are connected to the outer sides of the front end and the rear end of the threaded rod through threads, and a compression spring is arranged on the outer side of the threaded rod.
Preferably, the clamping workbench is provided with guide holes symmetrically arranged, the upper end of the bottom plate is fixedly connected with the guide columns, the upper ends of the guide columns penetrate through the guide holes to be compressed upwards, and the distance from the upper ends of the guide columns to the guide holes is larger than the distance which can be increased by the hydraulic cylinder.
Preferably, the front end of the bottom plate is fixedly connected with an L-shaped connecting plate, and the front end of the L-shaped connecting plate is provided with scale marks.
Preferably, the second opening groove is connected with conveying rollers which are distributed at equal intervals in a rotating mode, and the highest point of each conveying roller is equal to that of the clamping workbench.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the stress-free clamping device for the machined part ensures the clamping effect of the part by using the clamping side plate, and generates an outward force on the inner side of the clamping side plate by matching with the design of the threaded rod, the compression spring and the adjusting nut, so that the part is stably clamped under the stress-free condition, and the precision and the quality of the machined part are improved;
2. the stress-free clamping device for the machined part is convenient for adjusting the height of the clamping device through the design of the hydraulic cylinder, is suitable for different machining machines, has wider practicability and application range, and improves the stability of the lifting of the clamping workbench due to the additionally arranged guide holes and guide columns;
3. this no stress clamping device of machining part through setting up the conveying roller, and the zero removal of part on the centre gripping workstation of being convenient for reduces the frictional force to the part, and the adjustment of the part position of being convenient for goes up and down more conveniently, and through setting up the scale mark, the height that the accurate adjustment of being convenient for goes up and down.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic view of the top view structure of the present invention.
In the figure: 1. a base plate; 2. a hydraulic cylinder; 3. clamping the worktable; 4. a first open slot; 5. a second open slot; 6. a ball screw; 7. a coupling; 8. a motor; 9. a sliding seat; 10. clamping the side plate; 11. perforating; 12. a threaded rod; 13. adjusting the nut; 14. a compression spring; 15. a guide hole; 16. a guide post; 17. an L-shaped connecting plate; 18. scale lines; 19. and (4) conveying the roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a stress-free clamping device for machining parts comprises a bottom plate 1, a hydraulic cylinder 2, a clamping workbench 3, a first open slot 4, a second open slot 5, a ball screw 6, a coupler 7, a motor 8, a sliding seat 9, a clamping side plate 10, a through hole 11, a threaded rod 12, an adjusting nut 13, a compression spring 14, a guide hole 15, a guide post 16, an L-shaped connecting plate 17, a scale mark 18 and a conveying roller 19, wherein the middle part of the upper end of the bottom plate 1 is fixedly connected with the hydraulic cylinder 2, the upper end of the hydraulic cylinder 2 is fixedly connected with the clamping workbench 3, the upper end of the clamping workbench 3 is sequentially provided with the first open slot 4 and the second open slot 5 which are symmetrically arranged from inside to outside, the ball screw 6 is rotationally connected with the ball screw 6 in the first open slot 4, the rear end of the ball screw 6 penetrates through the clamping workbench 3 to be sequentially rotationally connected with the coupler 7 and the motor 8, the sliding seat 9 which is symmetrically, the upper end of the sliding seat 9 is fixedly connected with a clamping side plate 10, the type of the hydraulic cylinder 2 is SC40-400, and the installation mode and the circuit connection are not described in detail;
furthermore, a through hole 11 is formed in the clamping side plate 10, a threaded rod 12 is inserted into the through hole 11 and the other through hole 11, adjusting nuts 13 are connected to the outer sides of the front end and the rear end of the threaded rod 12 in a threaded manner, and a compression spring 14 is arranged on the outer side of the threaded rod 12, so that the force between the clamping side plates 10 can be adjusted conveniently, a part can be clamped in a stress-free manner, and the part machining effect is improved;
furthermore, guide holes 15 which are symmetrically arranged are formed in the clamping workbench 3, the upper end of the bottom plate 1 is fixedly connected with guide posts 16, the upper ends of the guide posts 16 penetrate through the guide holes 15 to be compressed upwards, and the distance from the upper ends of the guide posts 16 to the guide holes 15 is larger than the distance which can be increased by the hydraulic cylinder 2, so that when the hydraulic cylinder 2 is lifted, the guide posts 16 are always in the guide holes 15, the stability of the clamping workbench 3 is ensured, and the phenomenon that the position of the clamping workbench 3 is deviated to influence the machining precision is avoided;
furthermore, the front end of the bottom plate 1 is fixedly connected with an L-shaped connecting plate 17, and the front end of the L-shaped connecting plate 17 is provided with scale marks 18, so that the lifting height can be conveniently and visually known, and the adjustment is more convenient and accurate;
furthermore, the conveying rollers 19 which are distributed at equal intervals are rotatably connected in the second open slot 5, the highest point of the conveying rollers 19 is equal to the highest point of the clamping workbench 3, the friction force between the part and the clamping workbench 3 is reduced, the part can be conveniently moved on the clamping workbench 3, and the abrasion degree of the part is reduced.
The working principle is as follows: firstly, the height of a clamping workbench 3 is adjusted according to the use requirement, a hydraulic cylinder 2 is opened to be lifted upwards, the hydraulic cylinder 2 pushes the clamping workbench 3 to be lifted, meanwhile, a guide post 16 at the upper end of a bottom plate 1 slides in a guide hole 15, after the proper height is adjusted according to a scale mark 18 on an L-shaped connecting plate 17, the hydraulic cylinder 2 is closed, a part is placed on the clamping workbench 3 and is attached to a conveying roller 19 in a second open slot 5, then the part is pushed, under the action of the conveying roller 19, the part is pushed to move rightwards and is stopped at a proper position, an adjusting nut 13 is loosened, a compression spring 14 penetrates out of a through hole 11, a motor 8 is opened to rotate forwards, the motor 8 drives a coupler 7 to rotate, the coupler 7 drives a ball screw 6 to rotate, a sliding seat 9 on the outer side of the ball screw 6 converts the rotary motion into linear motion and synchronously moves, the clamping side plate 10 moves inwards, the threaded rod 12 and the compression spring 14 slide in the through hole 11 in the clamping side plate 10 until the inner side of the clamping side plate 10 is attached to a part, the motor 8 is turned off, the adjusting nut 13 is screwed down, and the compression spring 14 is compressed to a proper position.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a machining part unstressed clamping device, includes the bottom plate, its characterized in that: bottom plate upper end middle part fixedly connected with hydraulic cylinder, hydraulic cylinder upper end fixedly connected with centre gripping workstation, the second open slot that first open slot and bilateral symmetry set up has been seted up from inside to outside in proper order to centre gripping workstation upper end, first open slot internal rotation is connected with ball screw, ball screw rear end passes centre gripping workstation and rotates in proper order and is connected with shaft coupling and motor, ball screw outside swing joint has the sliding seat that the longitudinal symmetry set up in the first open slot, sliding seat upper end fixedly connected with centre gripping curb plate.
2. A non-stressed clamping device for machined parts according to claim 1, wherein: the clamp is characterized in that a through hole is formed in the clamping side plate, a threaded rod is inserted into the through hole and the other through hole, adjusting nuts are connected to the outer sides of the front end and the rear end of the threaded rod in a threaded mode, and a compression spring is arranged on the outer side of the threaded rod.
3. A non-stressed clamping device for machined parts according to claim 1, wherein: the clamping worktable is provided with guide holes symmetrically arranged, the upper end of the bottom plate is fixedly connected with guide posts, the upper ends of the guide posts penetrate through the guide holes to be compressed upwards, and the distance from the upper ends of the guide posts to the guide holes is larger than the distance that the hydraulic cylinder can rise.
4. A non-stressed clamping device for machined parts according to claim 1, wherein: the front end of the bottom plate is fixedly connected with an L-shaped connecting plate, and the front end of the L-shaped connecting plate is provided with scale marks.
5. A non-stressed clamping device for machined parts according to claim 1, wherein: conveying rollers which are distributed at equal intervals are rotatably connected in the second open groove, and the highest point of each conveying roller is equal to that of the clamping workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020316902.7U CN212145380U (en) | 2020-03-15 | 2020-03-15 | Stress-free clamping device for machined part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020316902.7U CN212145380U (en) | 2020-03-15 | 2020-03-15 | Stress-free clamping device for machined part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212145380U true CN212145380U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020316902.7U Active CN212145380U (en) | 2020-03-15 | 2020-03-15 | Stress-free clamping device for machined part |
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| CN (1) | CN212145380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229533A (en) * | 2022-08-12 | 2022-10-25 | 广东美美管业有限公司 | Correcting mechanism for water distributing hole of water collecting and distributing device |
-
2020
- 2020-03-15 CN CN202020316902.7U patent/CN212145380U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229533A (en) * | 2022-08-12 | 2022-10-25 | 广东美美管业有限公司 | Correcting mechanism for water distributing hole of water collecting and distributing device |
| CN115229533B (en) * | 2022-08-12 | 2024-05-17 | 广东美美管业有限公司 | Correcting mechanism for water diversion holes of water collecting and distributing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220905 Address after: Dongzhou Group, Dongliu Village, Dacheng Town, Sanyuan County, Xianyang City, Shaanxi Province 712000 Patentee after: Shaanxi Kaichenlu Machinery Equipment Co.,Ltd. Address before: 730000 55 Donggang East Road, Chengguan District, Lanzhou City, Gansu Province Patentee before: Zhang Zhendong |
|
| TR01 | Transfer of patent right |