CN203726164U - Pressure measurable worm self-locking and loosening-preventing type high-precision fine adjusting clamp - Google Patents
Pressure measurable worm self-locking and loosening-preventing type high-precision fine adjusting clamp Download PDFInfo
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- CN203726164U CN203726164U CN201320823044.5U CN201320823044U CN203726164U CN 203726164 U CN203726164 U CN 203726164U CN 201320823044 U CN201320823044 U CN 201320823044U CN 203726164 U CN203726164 U CN 203726164U
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- clamp
- fixed block
- clamping fixture
- fixture seat
- screw rod
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Abstract
The utility model discloses a pressure measurable worm self-locking and loosening-preventing type high-precision fine adjusting clamp, and belongs to the field of clamps. The pressure measurable worm self-locking and loosening-preventing type high-precision fine adjusting clamp comprises a clamp base, a left fixing block, a left screw, a left clamping block, a right clamping block, a guide rod and a right fixing block. The clamp base is provided with a dovetail groove, and the two ends of the dovetail groove are provided with the left fixing block and the right fixing block. The pressure measurable worm self-locking and loosening-preventing type high-precision fine adjusting clamp further comprises a driven connecting rod, a left spring, a driving connecting rod, a right spring, a transmission rod, a right screw, a handle, limiting and loosening-preventing devices and sensors. The right screw and the left screw are provided with the limiting and loosening-preventing devices. The left clamping block and the right clamping block are provided with the sensors. The pressure measurable worm self-locking and loosing-preventing type high-precision fine adjusting clamp solves the problems that an existing clamp is not easy to adjust finely, not high in positioning precision and prone to loosening, and the clamping force cannot be controlled easily; the pressure measurable worm self-locking and loosing-preventing type high-precision fine adjusting clamp 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 pressure measurable type worm screw automatic locking anti-loosing high precision 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 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 worm screw automatic locking anti-loosing high precision fine tuning fixture.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of pressure measurable type worm screw automatic locking anti-loosing high precision fine tuning fixture, comprise clamping fixture seat, left fixed block, left screw rod, left clamp, right clamp, guide rod, right fixed block, on clamping fixture seat, be provided with dovetail groove, and be provided with left fixed block and right fixed block at dovetail groove two ends, left fixed block is provided with screwed hole, right fixed block is provided with unthreaded hole, left clamp and right clamp are all assemblied in the dovetail groove on clamping fixture seat, left screw rod one end and left clamp are connected, the threaded engagement of the other end and left fixed block, guide rod one end and right clamp are connected, the other end is assemblied in the unthreaded hole of right fixed block, also comprise follower link, left spring, drive connecting rod, right spring, transmission lever, right screw rod, worm screw self-locking anti-loosing device, sensor, on described right screw rod and left screw rod, be equipped with worm screw self-locking anti-loosing device, one end of described follower link is articulated with on clamping fixture seat, the other end is connected with drive connecting rod by transmission lever, its one end near hinge is connected with guide rod, described drive connecting rod one end is articulated with on clamping fixture seat, the other end is connected with right screw rod, described right screw rod is assemblied in the screwed hole of clamping fixture seat, and in its one end, handle is set, described left spring one end is connected with follower link upper end, the other end is connected with clamping fixture seat, described right spring one end is connected with drive connecting rod lower end, the other end is connected with clamping fixture seat, on described left clamp and right clamp, be equipped with sensor.
Described worm screw self-locking anti-loosing device is made up of worm gear and worm screw, and described worm gear is assemblied on left screw rod by key, and described worm screw is assemblied in clamping fixture seat by rolling bearing, and is meshed with worm gear.
The angle of spiral of described worm screw is less than the equivalent friction angle of the field of conjugate action of itself and worm gear, and described sensor is pressure sensor.
Than prior art, beneficial effect of the present invention is:
(1) the present invention utilizes lever principle, and larger input is converted into minimum displacement, and the convenient trace of realizing regulates, and makes positioning precision be improved simultaneously.
(2) the present invention utilizes worm geared self-locking performance to realize the locking of fixture, locking reliable and compact conformation.
(3) when the present invention adopts worm-drive locking, because worm geared gearratio is large, can produce minimum output with the input compared with large, therefore be conducive to the clamping fine setting of fixture, thereby make positioning precision higher.
(4) the present invention is provided with pressure sensor on clamp, 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; 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.
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.
In figure: 1-clamping fixture seat, 2-left fixed block, 3-left screw rod, 4-left clamp, 5-right clamp, 6-guide rod, 7-right fixed block, 8-follower link, 9-left spring, 10-drive connecting rod, 11-right spring, 12-transmission lever, 13-right screw rod, 14-worm screw self-locking anti-loosing device, 15-worm gear, 16-worm screw, 17-sensor.
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2, shown in Fig. 3, pressure measurable type worm screw automatic locking anti-loosing high precision fine tuning fixture comprises clamping fixture seat 1, left fixed block 2, left screw rod 3, left clamp 4, right clamp 5, guide rod 6, right fixed block 7, on clamping fixture seat 1, be provided with dovetail groove, and be provided with left fixed block 2 and right fixed block 7 at dovetail groove two ends, left fixed block 2 is provided with screwed hole, right fixed block 7 is provided with unthreaded hole, left clamp 4 and right clamp 5 are all assemblied in the dovetail groove on clamping fixture seat 1, left screw rod 3 one end and left clamp 4 are connected, the threaded engagement of the other end and left fixed block 2, guide rod 6 one end and right clamp 5 are connected, the other end is assemblied in the unthreaded hole of right fixed block 7, also comprise follower link 8, left spring 9, drive connecting rod 10, right spring 11, transmission lever 12, right screw rod 13, worm screw self-locking anti-loosing device 14, sensor 17, on described right screw rod 13 and left screw rod 3, be equipped with worm screw self-locking anti-loosing device 14, one end of described follower link 8 is articulated with on clamping fixture seat 1, the other end is connected with drive connecting rod 10 by transmission lever 12, its one end near hinge is connected with guide rod 6, described drive connecting rod 10 one end are articulated with on clamping fixture seat 1, the other end is connected with right screw rod 13, described right screw rod 13 is assemblied in the screwed hole of clamping fixture seat 1, and in its one end, handle 14 is set, described left spring 9 one end are connected with follower link 8 upper ends, the other end is connected with clamping fixture seat 1, described right spring 11 one end are connected with drive connecting rod 10 lower ends, the other end is connected with clamping fixture seat 1, on described left clamp 4 and right clamp 5, be equipped with sensor 17.
Described worm screw self-locking anti-loosing device 14 is made up of worm gear 15 and worm screw 16, and described worm gear 15 is assemblied on left screw rod 3 by key, and described worm screw 16 is assemblied in clamping fixture seat 1 by rolling bearing, and is meshed with worm gear 15.
The angle of spiral of described worm screw 16 is less than the equivalent friction angle of the field of conjugate action of itself and worm gear 15, and described sensor 17 is pressure sensor.
embodiment 1
As Fig. 1, Fig. 2, shown in Fig. 3, pressure measurable type worm screw automatic locking anti-loosing high precision fine tuning fixture comprises clamping fixture seat 1, left fixed block 2, left screw rod 3, left clamp 4, right clamp 5, guide rod 6, right fixed block 7, on clamping fixture seat 1, be provided with dovetail groove, and be provided with left fixed block 2 and right fixed block 7 at dovetail groove two ends, left fixed block 2 is provided with screwed hole, right fixed block 7 is provided with unthreaded hole, left clamp 4 and right clamp 5 are all assemblied in the dovetail groove on clamping fixture seat 1, left screw rod 3 one end and left clamp 4 are connected, the threaded engagement of the other end and left fixed block 2, guide rod 6 one end and right clamp 5 are connected, the other end is assemblied in the unthreaded hole of right fixed block 7, also comprise follower link 8, left spring 9, drive connecting rod 10, right spring 11, transmission lever 12, right screw rod 13, worm screw self-locking anti-loosing device 14, sensor 17, on described right screw rod 13 and left screw rod 3, be equipped with worm screw self-locking anti-loosing device 14, one end of described follower link 8 is articulated with on clamping fixture seat 1, the other end is connected with drive connecting rod 10 by transmission lever 12, its one end near hinge is connected with guide rod 6, described drive connecting rod 10 one end are articulated with on clamping fixture seat 1, the other end is connected with right screw rod 13, described right screw rod 13 is assemblied in the screwed hole of clamping fixture seat 1, and in its one end, handle 14 is set, described left spring 9 one end are connected with follower link 8 upper ends, the other end is connected with clamping fixture seat 1, described right spring 11 one end are connected with drive connecting rod 10 lower ends, the other end is connected with clamping fixture seat 1, on described left clamp 4 and right clamp 5, be equipped with sensor 17.
Described worm screw self-locking anti-loosing device 14 is made up of worm gear 15 and worm screw 16, and described worm gear 15 is assemblied on left screw rod 3 by key, and described worm screw 16 is assemblied in clamping fixture seat 1 by rolling bearing, and is meshed with worm gear 15.
The angle of spiral of described worm screw 16 is 12 °, and the equivalent friction angle of the field of conjugate action of itself and worm gear 15 is 15 °, and described sensor 17 is pressure sensor.
embodiment 2
As Fig. 1, Fig. 2, shown in Fig. 3, pressure measurable type worm screw automatic locking anti-loosing high precision fine tuning fixture comprises clamping fixture seat 1, left fixed block 2, left screw rod 3, left clamp 4, right clamp 5, guide rod 6, right fixed block 7, on clamping fixture seat 1, be provided with dovetail groove, and be provided with left fixed block 2 and right fixed block 7 at dovetail groove two ends, left fixed block 2 is provided with screwed hole, right fixed block 7 is provided with unthreaded hole, left clamp 4 and right clamp 5 are all assemblied in the dovetail groove on clamping fixture seat 1, left screw rod 3 one end and left clamp 4 are connected, the threaded engagement of the other end and left fixed block 2, guide rod 6 one end and right clamp 5 are connected, the other end is assemblied in the unthreaded hole of right fixed block 7, also comprise follower link 8, left spring 9, drive connecting rod 10, right spring 11, transmission lever 12, right screw rod 13, worm screw self-locking anti-loosing device 14, sensor 17, on described right screw rod 13 and left screw rod 3, be equipped with worm screw self-locking anti-loosing device 14, one end of described follower link 8 is articulated with on clamping fixture seat 1, the other end is connected with drive connecting rod 10 by transmission lever 12, its one end near hinge is connected with guide rod 6, described drive connecting rod 10 one end are articulated with on clamping fixture seat 1, the other end is connected with right screw rod 13, described right screw rod 13 is assemblied in the screwed hole of clamping fixture seat 1, and in its one end, handle 14 is set, described left spring 9 one end are connected with follower link 8 upper ends, the other end is connected with clamping fixture seat 1, described right spring 11 one end are connected with drive connecting rod 10 lower ends, the other end is connected with clamping fixture seat 1, on described left clamp 4 and right clamp 5, be equipped with sensor 17.
Described worm screw self-locking anti-loosing device 14 is made up of worm gear 15 and worm screw 16, and described worm gear 15 is assemblied on left screw rod 3 by key, and described worm screw 16 is assemblied in clamping fixture seat 1 by rolling bearing, and is meshed with worm gear 15.
The angle of spiral of described worm screw 16 is 11 °, and the equivalent friction angle of the field of conjugate action of itself and worm gear 15 is 13 °, and described sensor 17 is pressure sensor.
Claims (2)
1. a pressure measurable type worm screw automatic locking anti-loosing high precision fine tuning fixture, comprise clamping fixture seat (1), left fixed block (2), left screw rod (3), left clamp (4), right clamp (5), guide rod (6), right fixed block (7), clamping fixture seat is provided with dovetail groove on (1), and be provided with left fixed block (2) and right fixed block (7) at dovetail groove two ends, left fixed block (2) is provided with screwed hole, right fixed block (7) is provided with unthreaded hole, left clamp (4) and right clamp (5) are all assemblied in the dovetail groove on clamping fixture seat (1), left screw rod (3) one end and left clamp (4) are connected, the threaded engagement of the other end and left fixed block (2), guide rod (6) one end and right clamp (5) are connected, the other end is assemblied in the unthreaded hole of right fixed block (7), it is characterized in that, also comprise follower link (8), left spring (9), drive connecting rod (10), right spring (11), transmission lever (12), right screw rod (13), worm screw self-locking anti-loosing device (14), sensor (17), on described right screw rod (13) and left screw rod (3), be equipped with worm screw self-locking anti-loosing device (14), one end of described follower link (8) is articulated with on clamping fixture seat (1), the other end is connected with drive connecting rod (10) by transmission lever (12), its one end near hinge is connected with guide rod (6), described drive connecting rod (10) one end is articulated with on clamping fixture seat (1), the other end is connected with right screw rod (13), described right screw rod (13) is assemblied in the screwed hole of clamping fixture seat (1), and handle (14) is set in its one end, described left spring (9) one end is connected with follower link (8) upper end, the other end is connected with clamping fixture seat (1), described right spring (11) one end is connected with drive connecting rod (10) lower end, the other end is connected with clamping fixture seat (1), on described left clamp (4) and right clamp (5), be equipped with sensor (17), described worm screw self-locking anti-loosing device (14) is made up of worm gear (15) and worm screw (16), described worm gear (15) is assemblied on left screw rod (3) by key, described worm screw (16) is assemblied in clamping fixture seat (1) by rolling bearing, and is meshed with worm gear (15), the angle of spiral of described worm screw (16) is less than the equivalent friction angle of the field of conjugate action of itself and worm gear (15).
2. pressure measurable type worm screw automatic locking anti-loosing high precision fine tuning fixture according to claim 1, is characterized in that, described sensor (17) is pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320823044.5U CN203726164U (en) | 2013-12-16 | 2013-12-16 | Pressure measurable worm self-locking and loosening-preventing type high-precision fine adjusting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320823044.5U CN203726164U (en) | 2013-12-16 | 2013-12-16 | Pressure measurable worm self-locking and loosening-preventing type high-precision fine adjusting clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203726164U true CN203726164U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320823044.5U Expired - Fee Related CN203726164U (en) | 2013-12-16 | 2013-12-16 | Pressure measurable worm self-locking and loosening-preventing type high-precision fine adjusting clamp |
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| Country | Link |
|---|---|
| CN (1) | CN203726164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692240A (en) * | 2013-12-16 | 2014-04-02 | 芜湖欣荣管业科技有限公司 | Pressure-testable worm self-lock anti-loosening high-precision fine tuning clamp |
-
2013
- 2013-12-16 CN CN201320823044.5U patent/CN203726164U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692240A (en) * | 2013-12-16 | 2014-04-02 | 芜湖欣荣管业科技有限公司 | Pressure-testable worm self-lock anti-loosening high-precision fine tuning 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: 20140723 Termination date: 20141216 |
|
| EXPY | Termination of patent right or utility model |