CN203726199U - Worm self-locking anti-loose type fine-adjustment fixture allowing pressure to be measurable - Google Patents
Worm self-locking anti-loose type fine-adjustment fixture allowing pressure to be measurable Download PDFInfo
- Publication number
- CN203726199U CN203726199U CN201320824104.5U CN201320824104U CN203726199U CN 203726199 U CN203726199 U CN 203726199U CN 201320824104 U CN201320824104 U CN 201320824104U CN 203726199 U CN203726199 U CN 203726199U
- Authority
- CN
- China
- Prior art keywords
- worm
- locking anti
- fixed block
- fine
- screw
- 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 worm self-locking anti-loose type fine-adjustment fixture allowing pressure to be measurable, and belongs to the field of fixtures. The worm self-locking anti-loose type fine-adjustment fixture comprises a fixture base, a left fixing block, a large screw, a left clamping block, a right clamping block, a guide rod, a fine-adjustment screw, a right fixing block, worm self-locking anti-loose devices, a worm gear, a worm and sensors, wherein the fixture base is provided with a dovetail groove, the two ends of the dovetail groove are provided with the left fixing block and the right fixing block respectively, the two ends of the fine-adjustment screw are respectively provided with threads, one end of the fine-adjustment screw is assembled in a thread hole of the guide rod, the other end of the fine-adjustment screw is meshed with the threads of the right fixing block, the screwing directions of the threads at the two ends of the fine-adjustment screw are opposite, the large screw and the fine-adjustment screw are respectively provided with one worm self-locking anti-loose device, and the left clamping block and the right clamping block are respectively provided with one sensor. The worm self-locking anti-loose type rapid clamping fixture solves the problems that an existing fixture is difficult to finely adjust, low in locating accuracy and prone to loosening, and clamping force is difficult to control, and 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 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 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 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, worm screw self-locking anti-loosing device, worm gear, worm screw, 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 large screw rod and fine setting screw rod, be provided with worm screw self-locking anti-loosing device, described worm screw self-locking anti-loosing device is made up of worm gear and worm screw, described worm gear is assemblied on large screw rod by key, described worm screw is assemblied in clamping fixture seat by rolling bearing, and be meshed with worm gear, on described left clamp and right clamp, be equipped with sensor.
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 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 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;
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-worm screw self-locking anti-loosing device, 10-worm gear, 11-worm screw, 12-sensor.
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 measurable type worm screw automatic locking anti-loosing 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, worm screw self-locking anti-loosing device 9, worm gear 10, worm screw 11, sensor 12, 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 large screw rod 3 and fine setting screw rod 7, be provided with worm screw self-locking anti-loosing device 9, described worm screw self-locking anti-loosing device 9 is made up of worm gear 10 and worm screw 11, described worm gear 10 is assemblied on large screw rod 3 by key, described worm screw 11 is assemblied in clamping fixture seat 1 by rolling bearing, and be meshed with worm gear 10, on described left clamp 4 and right clamp 5, be equipped with sensor 12.
The angle of spiral of described worm screw 11 is less than the equivalent friction angle of the field of conjugate action of itself and worm gear 10, and described sensor 12 is pressure sensor.
embodiment 1
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pressure measurable type worm screw automatic locking anti-loosing 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, worm screw self-locking anti-loosing device 9, worm gear 10, worm screw 11, sensor 12, 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 large screw rod 3 and fine setting screw rod 7, be provided with worm screw self-locking anti-loosing device 9, described worm screw self-locking anti-loosing device 9 is made up of worm gear 10 and worm screw 11, described worm gear 10 is assemblied on large screw rod 3 by key, described worm screw 11 is assemblied in clamping fixture seat 1 by rolling bearing, and be meshed with worm gear 10, on described left clamp 4 and right clamp 5, be equipped with sensor 12.
The angle of spiral of described worm screw 11 is 12 °, and the equivalent friction angle of the field of conjugate action of itself and worm gear 10 is 15 °, and described sensor 12 is pressure sensor.
embodiment 2
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pressure measurable type worm screw automatic locking anti-loosing 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, worm screw self-locking anti-loosing device 9, worm gear 10, worm screw 11, sensor 12, 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 large screw rod 3 and fine setting screw rod 7, be provided with worm screw self-locking anti-loosing device 9, described worm screw self-locking anti-loosing device 9 is made up of worm gear 10 and worm screw 11, described worm gear 10 is assemblied on large screw rod 3 by key, described worm screw 11 is assemblied in clamping fixture seat 1 by rolling bearing, and be meshed with worm gear 10, on described left clamp 4 and right clamp 5, be equipped with sensor 12.
The angle of spiral of described worm screw 11 is 11 °, and the equivalent friction angle of the field of conjugate action of itself and worm gear 10 is 14 °, and described sensor 12 is pressure sensor.
Claims (3)
1. a pressure measurable type worm screw automatic locking anti-loosing 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), worm screw self-locking anti-loosing device (9), worm gear (10), worm screw (11), sensor (12), 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 large screw rod (3) and fine setting screw rod (7), be provided with worm screw self-locking anti-loosing device (9), described worm screw self-locking anti-loosing device (9) is made up of worm gear (10) and worm screw (11), described worm gear (10) is assemblied on large screw rod (3) by key, described worm screw (11) is assemblied in clamping fixture seat (1) by rolling bearing, and be meshed with worm gear (10), on described left clamp (4) and right clamp (5), be equipped with sensor (12).
2. pressure measurable type worm screw automatic locking anti-loosing fine tuning fixture according to claim 1, is characterized in that, the angle of spiral of described worm screw (11) is less than the equivalent friction angle of the field of conjugate action of itself and worm gear (10).
3. pressure measurable type worm screw automatic locking anti-loosing fine tuning fixture according to claim 1, is characterized in that, described sensor (12) is pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320824104.5U CN203726199U (en) | 2013-12-16 | 2013-12-16 | Worm self-locking anti-loose type fine-adjustment fixture allowing pressure to be measurable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320824104.5U CN203726199U (en) | 2013-12-16 | 2013-12-16 | Worm self-locking anti-loose type fine-adjustment fixture allowing pressure to be measurable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203726199U true CN203726199U (en) | 2014-07-23 |
Family
ID=51196307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320824104.5U Expired - Fee Related CN203726199U (en) | 2013-12-16 | 2013-12-16 | Worm self-locking anti-loose type fine-adjustment fixture allowing pressure to be measurable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203726199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737390A (en) * | 2013-12-16 | 2014-04-23 | 芜湖市天雄塑料科技有限公司 | Pressure-detectable worm self-locking looseness-prevention fine adjustment fixture |
-
2013
- 2013-12-16 CN CN201320824104.5U patent/CN203726199U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737390A (en) * | 2013-12-16 | 2014-04-23 | 芜湖市天雄塑料科技有限公司 | Pressure-detectable worm self-locking looseness-prevention fine adjustment fixture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| 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 | |
| CN203726199U (en) | Worm self-locking anti-loose type fine-adjustment fixture allowing pressure to be measurable | |
| CN203679845U (en) | Pressure-measurable limitative loose-preventing fine adjustment clamp | |
| CN203679840U (en) | Pressure-measurable fine adjustment clamp | |
| CN203738433U (en) | Pressure-controllable limit anti-looseness fine-tuning clamp | |
| CN203679844U (en) | Pressure-measurable ratchet loose-preventing fine adjustment clamp | |
| CN103737390A (en) | Pressure-detectable worm self-locking looseness-prevention fine adjustment fixture | |
| CN203726164U (en) | Pressure measurable worm self-locking and loosening-preventing type high-precision fine adjusting clamp | |
| CN203726198U (en) | Limiting anti-loose type high-accuracy fine-adjustment fixture allowing pressure to be measurable | |
| CN203738431U (en) | Pressure-controllable fine-precision fine-tuning clamp with self-locking anti-looseness worm | |
| CN203679847U (en) | Pressure-controllable and pawl anti-loosening type fine adjustment clamp | |
| CN103769918A (en) | Pawl looseness prevention fine-adjustment clamp with measurable pressure | |
| CN103737349A (en) | Pressure-measurable limiting anti-loosing type quick clamping fixture | |
| CN203738400U (en) | Pressure-controllable high-precision fine-tuning clamp with anti-looseness pawl | |
| CN203779154U (en) | Pressure controllable type high-precision fine adjustment fixture | |
| CN203779155U (en) | Pressure controllable type fine adjustment fixture | |
| CN203665116U (en) | Pressure controllable worm self-locking anti-loose type fast clamping fixture | |
| CN203726163U (en) | Worm self-locking anti-loose type rapid clamping fixture allowing pressure to be measurable | |
| CN203726156U (en) | Limit looseness preventing type fine tuning clamp | |
| CN203679785U (en) | Self-locking worm loose-preventing high-precision fine adjustment clamp | |
| CN103737387A (en) | Pressure-measurable limiting anti-loosing type fine adjustment fixture | |
| CN104015074A (en) | Pressure controllable type worm self-locking anti-loose fine adjusting clamp | |
| CN203738399U (en) | Pressure-measurablepawl looseness prevention efficient clamp | |
| CN203679792U (en) | Fine adjustment clamp |
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 |