CN203726157U - Rapid clamping fixture with looseness preventing pawls - Google Patents
Rapid clamping fixture with looseness preventing pawls Download PDFInfo
- Publication number
- CN203726157U CN203726157U CN201320814208.8U CN201320814208U CN203726157U CN 203726157 U CN203726157 U CN 203726157U CN 201320814208 U CN201320814208 U CN 201320814208U CN 203726157 U CN203726157 U CN 203726157U
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- CN
- China
- Prior art keywords
- fixed block
- screw rod
- ratchet
- clamping
- clamp
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- Expired - Fee Related
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Clamps And Clips (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a rapid clamping fixture with looseness preventing pawls and belongs to the field of clamps. The rapid clamping fixture comprises a fixture base, a left fixed block, a large screw stem, a left clamping block, a right clamping block, a guide rod, a fine tuning screw stem, a right fixed block, looseness preventing pawl devices, gears, outer rings, springs, pawls and bolts. The clamp base is provided with a dovetail groove. The left fixed block and the right fixed block are arranged at the two ends of the dovetail groove. The two ends of the fine tuning screw stem are provided with threads, one end being mounted in a threaded hole of the guide rod and the other end being meshed with a thread of the right fixed block. The thread running directions of the two ends of the fine tuning screw stem are opposite. The large screw stem and the fine tuning screw stem are provided with the looseness preventing pawl devices. The rapid clamping fixture solves the problems that the clamping speed of the conventional fixture is low and the conventional fixture gets loose easily and has the advantages of simple structure, reasonable design and easy manufacture.
Description
Technical field
The invention belongs to fixture field, more particularly, relate to a kind of ratchet anti-loosing type fast-clamping clamp for piece-holder.
Background technology
In machine industry, lathe is widely used in processing all kinds of parts, in the time of processing parts, relates to its clamping and positioning problem.In clamping process, usually occur following problem, the space of workpiece and clamping device is larger, now, by the location that regulates clamping device to complete workpiece, need to expend the plenty of time.If can realize quick-clamping, not only improve operating efficiency, and reduced labour intensity.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 clamping speed that causes for existing fixture is slow, easy loosening problem, the invention provides a kind of ratchet anti-loosing type fast-clamping clamp.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of ratchet anti-loosing type fast-clamping clamp, 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 contrary, 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 minimum input to produce larger displacement, makes to complete fast clamping, has improved efficiency, has reduced labour intensity.
(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.
Brief description of the drawings
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.
Detailed description of the invention
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 fast-clamping clamp 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 contrary, 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.
embodiment 1
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, ratchet anti-loosing type fast-clamping clamp 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 contrary, 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.
Described fine setting screw rod 7 left end thread rotary orientations are left-handed, and right-hand member thread rotary orientation is dextrorotation.
embodiment 2
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, ratchet anti-loosing type fast-clamping clamp 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 contrary, 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.
Described fine setting screw rod 7 left end thread rotary orientations are dextrorotation, and right-hand member thread rotary orientation is left-handed.
Claims (6)
1. a ratchet anti-loosing type fast-clamping clamp, 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 contrary, 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 fast-clamping clamp 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 fast-clamping clamp 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 fast-clamping clamp 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 fast-clamping clamp 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 fast-clamping clamp according to claim 1, is characterized in that, described spring (12) is extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814208.8U CN203726157U (en) | 2013-12-12 | 2013-12-12 | Rapid clamping fixture with looseness preventing pawls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814208.8U CN203726157U (en) | 2013-12-12 | 2013-12-12 | Rapid clamping fixture with looseness preventing pawls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203726157U true CN203726157U (en) | 2014-07-23 |
Family
ID=51196265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320814208.8U Expired - Fee Related CN203726157U (en) | 2013-12-12 | 2013-12-12 | Rapid clamping fixture with looseness preventing pawls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203726157U (en) |
Cited By (2)
| 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 |
| CN103737347A (en) * | 2013-12-12 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Rachet looseness prevention quick clamping fixture |
-
2013
- 2013-12-12 CN CN201320814208.8U patent/CN203726157U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| CN103737347A (en) * | 2013-12-12 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Rachet looseness prevention quick clamping fixture |
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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: 20140723 Termination date: 20141212 |
|
| EXPY | Termination of patent right or utility model |