CN203679786U - Limitative loose-preventing quick clamp - Google Patents
Limitative loose-preventing quick clamp Download PDFInfo
- Publication number
- CN203679786U CN203679786U CN201320814338.1U CN201320814338U CN203679786U CN 203679786 U CN203679786 U CN 203679786U CN 201320814338 U CN201320814338 U CN 201320814338U CN 203679786 U CN203679786 U CN 203679786U
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- clamp
- screw rod
- fixed block
- lever
- clamping
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Abstract
The utility model discloses a limitative loose-preventing quick clamp, and belongs to the field of clamps. The limitative loose-preventing quick clamp comprises a clamp base, a left fixing block, a big screw, a left clamping block, a right clamping block, a guide rod, a fine adjustment screw, a right fixing block and limitative loose-preventing devices, wherein a dovetail groove is formed in the clamp base; the left fixing block and the right fixing block are arranged at the two ends of the dovetail groove; threads are arranged at the two ends of the fine adjustment screw respectively; one end of the fine adjustment screw is installed inside a threaded hole of the guide rod; the other end of the fine adjustment screw is meshed with threads of the right fixing block; the two ends of the fine adjustment screw have opposite thread directions; and the limitative loose-preventing devices are arranged on the fine adjustment screw and the big screw. The limitative loose-preventing quick clamp solves the problems that the conventional clamp is low in clamping speed and easily loosens, and has the advantages of simple structure, reasonable design and simplicity in manufacture.
Description
Technical field
The invention belongs to fixture field, more particularly, relate to a kind of restriction 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 anti-loosing type fast-clamping clamp that limits.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of restriction anti-loosing type fast-clamping clamp, comprise clamping fixture seat, left fixed block, large screw rod, left clamp, right clamp, guide rod, fine setting screw rod, right fixed block, restriction locking device, 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, the thread rotary orientation at described fine setting screw rod two ends is contrary, on described fine setting screw rod and large screw rod, be provided with restriction locking device.
Described restriction locking device is made up of ratchet, roller, lever, spring, bolt, described ratchet is assemblied on large screw rod by key, the quantity of described lever is 2, divide and be located at ratchet both sides, and be all hinged on clamping fixture seat, and away from one end of clamping fixture seat, unthreaded hole be set at lever, described roller is connected through the hinge on lever, the two ends of described spring are connected on the lever of ratchet both sides, and described bolt is through the reserved unthreaded hole of lever.
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 ratchet and roller to realize the locking effect to fine setting screw rod and large screw rod, in the course of the work, the locking to screw rod due to ratchet and roller, has played the locking of fine setting screw rod and large screw rod, and then makes fixture can not occur becoming flexible because of the effect of vibration and cutting force.
(3) the present invention adopts two symmetrical rollers, has eliminated radial load screw rod being caused because of locking effect, has improved the service life of fixture.
(4) 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 that C in Fig. 1 is to view.
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-restriction locking device, 10-ratchet, 11-roller, 12-lever, 13-spring, 14-bolt.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, restriction 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, restriction locking device 9, 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 fine setting screw rod 7 and large screw rod 3, is provided with restriction locking device 9.
Described restriction locking device 9 is made up of ratchet 10, roller 11, lever 12, spring 13, bolt 14, described ratchet 10 is assemblied on large screw rod 3 by key, the quantity of described lever 12 is 2, divide and be located at ratchet 10 both sides, and be all hinged on clamping fixture seat 1, and away from one end of clamping fixture seat 1, unthreaded hole is set at lever 12, described roller 11 is connected through the hinge on lever 12, the two ends of described spring 13 are connected on the lever 12 of ratchet 10 both sides, and described bolt 14 is through the reserved unthreaded hole of lever 12.
Described spring 13 is extension spring.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, restriction 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, restriction locking device 9, 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 fine setting screw rod 7 and large screw rod 3, is provided with restriction locking device 9.
Described restriction locking device 9 is made up of ratchet 10, roller 11, lever 12, spring 13, bolt 14, described ratchet 10 is assemblied on large screw rod 3 by key, the quantity of described lever 12 is 2, divide and be located at ratchet 10 both sides, and be all hinged on clamping fixture seat 1, and away from one end of clamping fixture seat 1, unthreaded hole is set at lever 12, described roller 11 is connected through the hinge on lever 12, the two ends of described spring 13 are connected on the lever 12 of ratchet 10 both sides, and described bolt 14 is through the reserved unthreaded hole of lever 12.
Described spring 13 is extension spring, and its cross section is circular.Described fine setting screw rod 7 left end thread rotary orientations are left-handed, and right-hand member thread rotary orientation is dextrorotation.
Claims (3)
1. a restriction 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), restriction locking device (9), 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 fine setting screw rod (7) and large screw rod (3), be provided with restriction locking device (9).
2. restriction anti-loosing type fast-clamping clamp according to claim 1, it is characterized in that, described restriction locking device (9) is by ratchet (10), roller (11), lever (12), spring (13), bolt (14) composition, described ratchet (10) is assemblied on large screw rod (3) by key, the quantity of described lever (12) is 2, divide and be located at ratchet (10) both sides, and be all hinged on clamping fixture seat (1), and away from one end of clamping fixture seat (1), unthreaded hole is set at lever (12), described roller (11) is connected through the hinge on lever (12), the two ends of described spring (13) are connected on the lever (12) of ratchet (10) both sides, described bolt (14) is through the reserved unthreaded hole of lever (12).
3. restriction anti-loosing type fast-clamping clamp according to claim 2, is characterized in that, described spring (13) is extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814338.1U CN203679786U (en) | 2013-12-12 | 2013-12-12 | Limitative loose-preventing quick clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814338.1U CN203679786U (en) | 2013-12-12 | 2013-12-12 | Limitative loose-preventing quick clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203679786U true CN203679786U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320814338.1U Expired - Fee Related CN203679786U (en) | 2013-12-12 | 2013-12-12 | Limitative loose-preventing quick clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203679786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737346A (en) * | 2013-12-12 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Quick limiting looseness-prevention clamping fixture |
-
2013
- 2013-12-12 CN CN201320814338.1U patent/CN203679786U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737346A (en) * | 2013-12-12 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Quick limiting looseness-prevention 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: 20140702 Termination date: 20141212 |
|
| EXPY | Termination of patent right or utility model |