CN203738401U - Pressure-controllable limit anti-looseness quick clamping fixture - Google Patents
Pressure-controllable limit anti-looseness quick clamping fixture Download PDFInfo
- Publication number
- CN203738401U CN203738401U CN201320826147.7U CN201320826147U CN203738401U CN 203738401 U CN203738401 U CN 203738401U CN 201320826147 U CN201320826147 U CN 201320826147U CN 203738401 U CN203738401 U CN 203738401U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- fixed block
- clamping
- clamp
- lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model discloses a pressure-controllable limit anti-looseness quick clamping fixture, and belongs to the field of fixtures. The fixture comprises a fixture base, a left fixing block, a large screw rod, a left clamping block, a right clamping block, a guide rod, a fine-tuning screw rod, a right fixing block, limit anti-looseness devices and dials, wherein a dove-tail slot is formed in the fixture base, and the left fixing block and the right fixing block are arranged at the two ends of the dove-tail slot; threads are arranged at the two ends of the fine-tuning screw rod, one end of the fine-tuning screw rod is assembled in a threaded hole of the guide rod, and the other end of the fine-tuning screw rod is meshed with a thread of the right fixing block; the threads of the two ends of the fine-tuning screw rod are opposite in the direction of screwing; limit anti-looseness devices are arranged on the fine-tuning screw rod and the large screw rod; the dials are arranged on both the large screw rod and the fine-tuning screw rod. The pressure-controllable limit anti-looseness quick clamping fixture solves the problem of the existing clamp, including low clamping speed, high probability of looseness and difficulty in clamping force control, 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 restriction of the pressure controllable type for piece-holder anti-loosing type fast-clamping clamp.
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, cause fixture to occur loosening, and then because piece-holder power causes the loosening of workpiece not, reduced machining accuracy, when serious, will cause workpiece to be thrown out of the generation of accident.Need to ensure that fixture chucking power in the time of Quick holding part easily controls simultaneously.
Summary of the invention
Slow, easy loosening, the uppity problem of chucking power of clamping speed causing for existing fixture, the invention provides a kind of pressure controllable type restriction anti-loosing type fast-clamping clamp.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of pressure controllable type 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, dial, 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, on described large screw rod and fine setting screw rod, be equipped with dial.
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 dial is provided with scale at its edge, 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 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 provided with dial on large screw rod and fine setting screw rod, can be the in the situation that of clamp fast moving, and guarantee clamp in OK range, is unlikely to damage workpiece to the pressure of workpiece; During simultaneously Workpiece clamping for unlike material and size, the reading of dial is made statistical table, convenient while operating in the future as contrasting, thereby increase work efficiency.
(5) 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 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, 15-dial.
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, pressure controllable type 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, dial 15, 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, on described large screw rod 3 and fine setting screw rod 7, be equipped with dial 15.
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 dial 15 is provided with scale at its edge, and described spring 13 is extension spring.
embodiment 1
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pressure controllable type 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, dial 15, 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, on described large screw rod 3 and fine setting screw rod 7, be equipped with dial 15.
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 dial 15 is provided with scale at its edge, and scale adopts angle system.Described spring 13 is extension spring, and its cross section is circular.
Claims (4)
1. a pressure controllable type 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), dial (15), 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), on described large screw rod (3) and fine setting screw rod (7), be equipped with dial (15).
2. pressure controllable type 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. pressure controllable type restriction anti-loosing type fast-clamping clamp according to claim 1, is characterized in that, described dial (15) is provided with scale at its edge.
4. pressure controllable type 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 |
|---|---|---|---|
| CN201320826147.7U CN203738401U (en) | 2013-12-16 | 2013-12-16 | Pressure-controllable limit anti-looseness quick clamping fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320826147.7U CN203738401U (en) | 2013-12-16 | 2013-12-16 | Pressure-controllable limit anti-looseness quick clamping fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203738401U true CN203738401U (en) | 2014-07-30 |
Family
ID=51338264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320826147.7U Expired - Fee Related CN203738401U (en) | 2013-12-16 | 2013-12-16 | Pressure-controllable limit anti-looseness quick clamping fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203738401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722401A (en) * | 2013-12-16 | 2014-04-16 | 芜湖欣荣管业科技有限公司 | Controllable pressure retaining-locking quick clamp |
-
2013
- 2013-12-16 CN CN201320826147.7U patent/CN203738401U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722401A (en) * | 2013-12-16 | 2014-04-16 | 芜湖欣荣管业科技有限公司 | Controllable pressure retaining-locking quick clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103737349A (en) | Pressure-measurable limiting anti-loosing type quick clamping fixture | |
| CN203726197U (en) | Pressure measurable type fast clamping clamp | |
| CN203738401U (en) | Pressure-controllable limit anti-looseness quick clamping fixture | |
| CN203738433U (en) | Pressure-controllable limit anti-looseness fine-tuning clamp | |
| CN203679793U (en) | Pressure-measurable limitative loose-preventing quick clamp | |
| CN203679845U (en) | Pressure-measurable limitative loose-preventing fine adjustment clamp | |
| CN203726157U (en) | Rapid clamping fixture with looseness preventing pawls | |
| CN203679786U (en) | Limitative loose-preventing quick clamp | |
| CN104015072A (en) | Pressure controllable type pawl anti-loose fast clamping clamp | |
| CN203665116U (en) | Pressure controllable worm self-locking anti-loose type fast clamping fixture | |
| CN203679846U (en) | Pressure-controllable and pawl anti-loosening type rapid mounting clamp | |
| CN203738399U (en) | Pressure-measurablepawl looseness prevention efficient clamp | |
| CN203712337U (en) | Pressure-controllable fine-adjustment clamp with worm self-locking and anti-loosening function | |
| CN203726194U (en) | Worm-self-locking looseness preventing type fine tuning clamp | |
| CN103722400A (en) | Measurable pressure locking-pawl quick clamp | |
| CN203679840U (en) | Pressure-measurable fine adjustment clamp | |
| CN203679842U (en) | Pressure-controllable quick clamp | |
| CN103737346A (en) | Quick limiting looseness-prevention clamping fixture | |
| CN203726193U (en) | Worm-self-locking looseness preventing type rapid clamping fixture | |
| CN203726156U (en) | Limit looseness preventing type fine tuning clamp | |
| CN203726160U (en) | Limiting type loosening-preventing clamp | |
| CN203679847U (en) | Pressure-controllable and pawl anti-loosening type fine adjustment clamp | |
| CN203726163U (en) | Worm self-locking anti-loose type rapid clamping fixture allowing pressure to be measurable | |
| CN203779155U (en) | Pressure controllable type fine adjustment fixture | |
| CN203679841U (en) | Quick clamping fixture |
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: 20140730 Termination date: 20141216 |
|
| EXPY | Termination of patent right or utility model |