CN203665145U - Pawl anti-loosening type fine-adjusting clamp - Google Patents
Pawl anti-loosening type fine-adjusting clamp Download PDFInfo
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- CN203665145U CN203665145U CN201320814138.6U CN201320814138U CN203665145U CN 203665145 U CN203665145 U CN 203665145U CN 201320814138 U CN201320814138 U CN 201320814138U CN 203665145 U CN203665145 U CN 203665145U
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- screw rod
- ratchet
- fixed block
- clamp
- fine
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- Clamps And Clips (AREA)
Abstract
The utility model discloses a pawl anti-loosening type fine-adjusting clamp, and belongs to the field of clamps. The pawl anti-loosening type fine-adjusting clamp comprises a clamp base, a left fixing block, a large screw, a left clamping block, a right clamping block, a guide rod, a fine-adjusting screw, a right fixing block, pawl anti-loosening devices, a gear, an outer ring, a spring, a pawl and a screw. The clamp base is provided with a dovetail groove, the two ends of the dovetail groove are provided with the left fixing block and the right fixing block respectively, the two ends of the fine-adjusting screw are provided with threads, one end of the fine-adjusting screw is arranged in a threaded hole of the guide rod, the other end of the fine-adjusting screw is meshed with a thread of the right fixing block, the screwing directions of the threads at the two ends of the fine-adjusting screw are the same, and the large screw and the fine-adjusting screw are provided with the pawl anti-loosening devices. The pawl anti-loosening type fine-adjusting clamp solves the problems that an existing clamp is not easy to finely adjust, not high in positioning precision and prone to loosening, and has the advantages of being simple in structure, reasonable in design and easy to manufacture.
Description
Technical field
The invention belongs to fixture field, more particularly, relate to a kind of ratchet anti-loosing type fine tuning fixture for piece-holder.
Background technology
In machine industry, utilize lathe to process all kinds of workpiece, utilize clamping device that workpiece is fixed adding man-hour requirement, thereby realize cylindrical, end face, screw thread and the axial machining such as cut-out.For the not high part of machining accuracy, generally can directly on platen face, adjust and realize positioning and clamping, the position of part is determined in the setting that by machining coordinate is then.And for the higher workpiece of requirement on machining accuracy, must repeatedly proofread the relative position of workpiece and lathe tool, therefore must increase positioning precision.Plain clamp can not be finely tuned simultaneously, causes the control of clamping force to be difficult for, and too pine does not have positioning action, too tightly damages surface of the work, even compression failure workpiece.The vibration of lathe and the effect of cutting force in process simultaneously, causes fixture to occur loosening, and then because piece-holder power causes the loosening of workpiece not, has reduced machining accuracy, when serious, will cause workpiece to be thrown out of the generation of accident.
Summary of the invention
The fine setting that causes for existing fixture is difficult for, positioning precision is not high, easy loosening problem, the invention provides a kind of ratchet anti-loosing type fine tuning fixture.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of ratchet anti-loosing type fine tuning fixture, comprises clamping fixture seat, left fixed block, large screw rod, left clamp, right clamp, guide rod, fine setting screw rod, right fixed block, ratchet locking device, gear, outer ring, spring, ratchet, screw, on described clamping fixture seat, be provided with dovetail groove, and be provided with left fixed block and right fixed block at dovetail groove two ends, on described left fixed block and right fixed block, be equipped with screwed hole, described left clamp and right clamp are all assemblied in the dovetail groove on clamping fixture seat, described large screw rod one end and left clamp are connected, the threaded engagement of the other end and left fixed block, described guide rod one end and right clamp are connected, the other end is provided with screwed hole, described fine setting screw rod two ends are equipped with screw thread, its one end is assemblied in the screwed hole of guide rod, the threaded engagement of the other end and right fixed block, and the thread rotary orientation at described fine setting screw rod two ends is identical, on described large screw rod and fine setting screw rod, be equipped with ratchet locking device, described ratchet locking device is by gear, outer ring, spring, ratchet, screw composition, described gear is assemblied on large screw rod by key, and described outer ring is fixed on clamping fixture seat, and being provided with screwed hole and spring, one end of described ratchet is hinged on outer ring, other end linking springs, described screw is assemblied in the screwed hole of outer ring, and is pressed on ratchet.
Described left fixed block is identical at the thread rotary orientation of engagement place with large screw rod, described guide rod is identical at the thread rotary orientation of engagement place with fine setting screw rod, described right fixed block is identical at the thread rotary orientation of engagement place with fine setting screw rod, described left clamp and right clamp are inlayed one deck carbide alloy on its clamping area, and described spring is extension spring.
Than prior art, beneficial effect of the present invention is:
(1) the present invention utilizes differential attachment to carry out clamping, can utilize larger input to produce minimum displacement, and the convenient trace of realizing regulates, and makes positioning precision be improved simultaneously.
(2) the present invention utilizes gear and ratchet to realize the locking effect to large screw rod and fine setting screw rod, in the course of the work, the locking to screw rod due to gear and ratchet, has played the locking of screw rod, and then makes fixture can not occur becoming flexible because of the effect of vibration and cutting force.
(3) the present invention is simple in structure, reasonable in design, is easy to manufacture.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is the cutaway view along A-A line in Fig. 1;
Fig. 3 is the cutaway view along B-B line in Fig. 1;
Fig. 4 is the cutaway view along C-C line in Fig. 1.
In figure: 1-clamping fixture seat, 2-left fixed block, 3-large screw rod, 4-left clamp, 5-right clamp, 6-guide rod, 7-fine setting screw rod, 8-right fixed block, 9-ratchet locking device, 10-gear, 11-outer ring, 12-spring, 13-ratchet, 14-screw.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, ratchet anti-loosing type fine tuning fixture comprises clamping fixture seat 1, left fixed block 2, large screw rod 3, left clamp 4, right clamp 5, guide rod 6, fine setting screw rod 7, right fixed block 8, ratchet locking device 9, gear 10, outer ring 11, spring 12, ratchet 13, screw 14, on described clamping fixture seat 1, be provided with dovetail groove, and be provided with left fixed block 2 and right fixed block 8 at dovetail groove two ends, on described left fixed block 2 and right fixed block 8, be equipped with screwed hole, described left clamp 4 and right clamp 5 are all assemblied in the dovetail groove on clamping fixture seat 1, described large screw rod 3 one end and left clamp 4 are connected, the threaded engagement of the other end and left fixed block 2, described guide rod 6 one end and right clamp 5 are connected, the other end is provided with screwed hole, described fine setting screw rod 7 two ends are equipped with screw thread, its one end is assemblied in the screwed hole of guide rod 6, the threaded engagement of the other end and right fixed block 8, and the thread rotary orientation at described fine setting screw rod 7 two ends is identical, on described large screw rod 3 and fine setting screw rod 7, be equipped with ratchet locking device 9, described ratchet locking device 9 is by gear 10, outer ring 11, spring 12, ratchet 13, screw 14 forms, described gear 10 is assemblied on large screw rod 3 by key, described outer ring 11 is fixed on clamping fixture seat 1, and be provided with screwed hole and spring 12, one end of described ratchet 13 is hinged on outer ring 11, other end linking springs 12, described screw 14 is assemblied in the screwed hole of outer ring 11, and is pressed on ratchet 13.
Described left fixed block 2 is identical at the thread rotary orientation of engagement place with large screw rod 3, described guide rod 6 is identical at the thread rotary orientation of engagement place with fine setting screw rod 7, described right fixed block 8 is identical at the thread rotary orientation of engagement place with fine setting screw rod 7, described left clamp 4 and right clamp 5 are inlayed one deck carbide alloy on its clamping area, and described spring 12 is extension spring.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, ratchet anti-loosing type fine tuning fixture comprises clamping fixture seat 1, left fixed block 2, large screw rod 3, left clamp 4, right clamp 5, guide rod 6, fine setting screw rod 7, right fixed block 8, ratchet locking device 9, gear 10, outer ring 11, spring 12, ratchet 13, screw 14, on described clamping fixture seat 1, be provided with dovetail groove, and be provided with left fixed block 2 and right fixed block 8 at dovetail groove two ends, on described left fixed block 2 and right fixed block 8, be equipped with screwed hole, described left clamp 4 and right clamp 5 are all assemblied in the dovetail groove on clamping fixture seat 1, described large screw rod 3 one end and left clamp 4 are connected, the threaded engagement of the other end and left fixed block 2, described guide rod 6 one end and right clamp 5 are connected, the other end is provided with screwed hole, described fine setting screw rod 7 two ends are equipped with screw thread, its one end is assemblied in the screwed hole of guide rod 6, the threaded engagement of the other end and right fixed block 8, and the thread rotary orientation at described fine setting screw rod 7 two ends is identical, on described large screw rod 3 and fine setting screw rod 7, be equipped with ratchet locking device 9, described ratchet locking device 9 is by gear 10, outer ring 11, spring 12, ratchet 13, screw 14 forms, described gear 10 is assemblied on large screw rod 3 by key, described outer ring 11 is fixed on clamping fixture seat 1, and be provided with screwed hole and spring 12, one end of described ratchet 13 is hinged on outer ring 11, other end linking springs 12, described screw 14 is assemblied in the screwed hole of outer ring 11, and is pressed on ratchet 13.
Described left fixed block 2 is identical at the thread rotary orientation of engagement place with large screw rod 3, described guide rod 6 is identical at the thread rotary orientation of engagement place with fine setting screw rod 7, described right fixed block 8 is identical at the thread rotary orientation of engagement place with fine setting screw rod 7, described spring 12 is extension spring, and described left clamp 4 and right clamp 5 are inlayed tungsten carbide base carbide alloy on its clamping area.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, ratchet anti-loosing type fine tuning fixture comprises clamping fixture seat 1, left fixed block 2, large screw rod 3, left clamp 4, right clamp 5, guide rod 6, fine setting screw rod 7, right fixed block 8, ratchet locking device 9, gear 10, outer ring 11, spring 12, ratchet 13, screw 14, on described clamping fixture seat 1, be provided with dovetail groove, and be provided with left fixed block 2 and right fixed block 8 at dovetail groove two ends, on described left fixed block 2 and right fixed block 8, be equipped with screwed hole, described left clamp 4 and right clamp 5 are all assemblied in the dovetail groove on clamping fixture seat 1, described large screw rod 3 one end and left clamp 4 are connected, the threaded engagement of the other end and left fixed block 2, described guide rod 6 one end and right clamp 5 are connected, the other end is provided with screwed hole, described fine setting screw rod 7 two ends are equipped with screw thread, its one end is assemblied in the screwed hole of guide rod 6, the threaded engagement of the other end and right fixed block 8, and the thread rotary orientation at described fine setting screw rod 7 two ends is identical, on described large screw rod 3 and fine setting screw rod 7, be equipped with ratchet locking device 9, described ratchet locking device 9 is by gear 10, outer ring 11, spring 12, ratchet 13, screw 14 forms, described gear 10 is assemblied on large screw rod 3 by key, described outer ring 11 is fixed on clamping fixture seat 1, and be provided with screwed hole and spring 12, one end of described ratchet 13 is hinged on outer ring 11, other end linking springs 12, described screw 14 is assemblied in the screwed hole of outer ring 11, and is pressed on ratchet 13.
Described left fixed block 2 is identical at the thread rotary orientation of engagement place with large screw rod 3, described guide rod 6 is identical at the thread rotary orientation of engagement place with fine setting screw rod 7, described right fixed block 8 is identical at the thread rotary orientation of engagement place with fine setting screw rod 7, described spring 12 is extension spring, and described left clamp 4 and right clamp 5 are inlayed boride based cemented carbide on its clamping area.
Claims (6)
1. a ratchet anti-loosing type fine tuning fixture, comprise clamping fixture seat (1), left fixed block (2), large screw rod (3), left clamp (4), right clamp (5), guide rod (6), fine setting screw rod (7), right fixed block (8), ratchet locking device (9), gear (10), outer ring (11), spring (12), ratchet (13), screw (14), it is characterized in that, on described clamping fixture seat (1), be provided with dovetail groove, and be provided with left fixed block (2) and right fixed block (8) at dovetail groove two ends, on described left fixed block (2) and right fixed block (8), be equipped with screwed hole, described left clamp (4) and right clamp (5) are all assemblied in the dovetail groove on clamping fixture seat (1), described large screw rod (3) one end and left clamp (4) are connected, the threaded engagement of the other end and left fixed block (2), described guide rod (6) one end and right clamp (5) are connected, the other end is provided with screwed hole, described fine setting screw rod (7) two ends are equipped with screw thread, its one end is assemblied in the screwed hole of guide rod (6), the threaded engagement of the other end and right fixed block (8), the thread rotary orientation at described fine setting screw rod (7) two ends is identical, on described large screw rod (3) and fine setting screw rod (7), be equipped with ratchet locking device (9), described ratchet locking device (9) is by gear (10), outer ring (11), spring (12), ratchet (13), screw (14) composition, described gear (10) is assemblied on large screw rod (3) by key, described outer ring (11) is fixed on clamping fixture seat (1), and be provided with screwed hole and spring (12), one end of described ratchet (13) is hinged on outer ring (11), other end linking springs (12), described screw (14) is assemblied in the screwed hole of outer ring (11), and be pressed on ratchet (13).
2. ratchet anti-loosing type fine tuning fixture according to claim 1, is characterized in that, described left fixed block (2) is identical at the thread rotary orientation of engagement place with large screw rod (3).
3. ratchet anti-loosing type fine tuning fixture according to claim 1, is characterized in that, described guide rod (6) is identical at the thread rotary orientation of engagement place with fine setting screw rod (7).
4. ratchet anti-loosing type fine tuning fixture according to claim 1, is characterized in that, described right fixed block (8) is identical at the thread rotary orientation of engagement place with fine setting screw rod (7).
5. ratchet anti-loosing type fine tuning fixture according to claim 1, is characterized in that, described left clamp (4) and right clamp (5) are inlayed one deck carbide alloy on its clamping area.
6. ratchet anti-loosing type fine tuning fixture according to claim 1, is characterized in that, described spring (12) is extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814138.6U CN203665145U (en) | 2013-12-12 | 2013-12-12 | Pawl anti-loosening type fine-adjusting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814138.6U CN203665145U (en) | 2013-12-12 | 2013-12-12 | Pawl anti-loosening type fine-adjusting clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203665145U true CN203665145U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320814138.6U Expired - Fee Related CN203665145U (en) | 2013-12-12 | 2013-12-12 | Pawl anti-loosening type fine-adjusting clamp |
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| CN (1) | CN203665145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737383A (en) * | 2013-12-12 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Rachet looseness prevention fine adjusting clamp |
-
2013
- 2013-12-12 CN CN201320814138.6U patent/CN203665145U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737383A (en) * | 2013-12-12 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Rachet looseness prevention fine adjusting clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20141212 |
|
| EXPY | Termination of patent right or utility model |