CN203679845U - Pressure-measurable limitative loose-preventing fine adjustment clamp - Google Patents
Pressure-measurable limitative loose-preventing fine adjustment clamp Download PDFInfo
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- CN203679845U CN203679845U CN201320822219.0U CN201320822219U CN203679845U CN 203679845 U CN203679845 U CN 203679845U CN 201320822219 U CN201320822219 U CN 201320822219U CN 203679845 U CN203679845 U CN 203679845U
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- clamp
- screw rod
- fine adjustment
- fixed block
- lever
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Abstract
The utility model discloses a pressure-measurable limitative loose-preventing fine adjustment clamp, and belongs to the field of clamps. The pressure-measurable limitative loose-preventing fine adjustment 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, limitative loose-preventing devices and sensors, 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 assembled 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 are in the same thread rotation direction; the limitative loose-preventing devices are arranged on the fine adjustment screw and the big screw; the sensors are arranged on the left clamping block and the right clamping block. The pressure-measurable limitative loose-preventing fine adjustment clamp solves the problems that the conventional clamp has difficulty in fine adjustment, has poor positioning precision, easily loosens and cannot control clamping force easily, and has the advantages of simple structure, reasonable design and easiness in manufacturing.
Description
Technical field
The invention belongs to fixture field, more particularly, relate to a kind of restriction of the pressure measurable type for piece-holder anti-loosing type fine tuning fixture.
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 causing for existing fixture is difficult for, positioning precision is not high, easy loosening, the uppity problem of chucking power, the invention provides a kind of pressure measurable type restriction anti-loosing type fine tuning fixture.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of pressure measurable type restriction anti-loosing type fine tuning fixture, 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, sensor, 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 identical, on described fine setting screw rod and large screw rod, be provided with restriction locking device, on described left clamp and right clamp, be equipped with sensor.
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 sensor is pressure sensor, 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 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 pressure sensor on clamp, can be the in the situation that of clamp fast moving, and assurance clamp in OK range, is unlikely to damage workpiece to the pressure of workpiece; Pressure during simultaneously Workpiece clamping for unlike material and size 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.
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, 15-sensor.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pressure measurable type restriction 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, restriction locking device 9, sensor 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 identical, on described fine setting screw rod 7 and large screw rod 3, be provided with restriction locking device 9, on described left clamp 4 and right clamp 5, be equipped with sensor 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 sensor 15 is pressure sensor, and described spring 13 is extension spring.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pressure measurable type restriction 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, restriction locking device 9, sensor 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 identical, on described fine setting screw rod 7 and large screw rod 3, be provided with restriction locking device 9, on described left clamp 4 and right clamp 5, be equipped with sensor 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 sensor 15 is pressure sensor, and described spring 13 is extension spring, and its cross section is circular.
Claims (4)
1. a pressure measurable type restriction 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), restriction locking device (9), sensor (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 identical, on described fine setting screw rod (7) and large screw rod (3), be provided with restriction locking device (9), on described left clamp (4) and right clamp (5), be equipped with sensor (15).
2. pressure measurable type restriction anti-loosing type fine tuning fixture 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 measurable type restriction anti-loosing type fine tuning fixture according to claim 1, is characterized in that, described sensor (15) is pressure sensor.
4. pressure measurable type restriction anti-loosing type fine tuning fixture according to claim 2, is characterized in that, described spring (13) is extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822219.0U CN203679845U (en) | 2013-12-16 | 2013-12-16 | Pressure-measurable limitative loose-preventing fine adjustment clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822219.0U CN203679845U (en) | 2013-12-16 | 2013-12-16 | Pressure-measurable limitative loose-preventing fine adjustment clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203679845U true CN203679845U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320822219.0U Expired - Fee Related CN203679845U (en) | 2013-12-16 | 2013-12-16 | Pressure-measurable limitative loose-preventing fine adjustment clamp |
Country Status (1)
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|---|---|
| CN (1) | CN203679845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737387A (en) * | 2013-12-16 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Pressure-measurable limiting anti-loosing type fine adjustment fixture |
| CN105773249A (en) * | 2016-03-31 | 2016-07-20 | 苏州亚思科精密数控有限公司 | Clamp of shock absorption machine tool |
-
2013
- 2013-12-16 CN CN201320822219.0U patent/CN203679845U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737387A (en) * | 2013-12-16 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Pressure-measurable limiting anti-loosing type fine adjustment fixture |
| CN105773249A (en) * | 2016-03-31 | 2016-07-20 | 苏州亚思科精密数控有限公司 | Clamp of shock absorption machine tool |
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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: 20151216 |
|
| EXPY | Termination of patent right or utility model |