CN103769916A - Worm self-locking and looseness-preventing type fine adjustment clamp - Google Patents
Worm self-locking and looseness-preventing type fine adjustment clamp Download PDFInfo
- Publication number
- CN103769916A CN103769916A CN201310672667.1A CN201310672667A CN103769916A CN 103769916 A CN103769916 A CN 103769916A CN 201310672667 A CN201310672667 A CN 201310672667A CN 103769916 A CN103769916 A CN 103769916A
- Authority
- CN
- China
- Prior art keywords
- worm
- fixed block
- fine adjustment
- clamp
- screw rod
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a worm self-locking and looseness-preventing type fine adjustment clamp, and belongs to the field of clamps. The worm self-locking and looseness-preventing type fine adjustment clamp comprises a clamp base, a left fixing block, a large threaded rod, a left clamping block, a right clamping block, a guide rod, a fine adjustment threaded rod, a right fixing block, worm self-locking and looseness-preventing devices, a worm wheel and a worm, 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 respectively, threads are formed in the two ends of the fine adjustment threaded rod respectively, one end of the fine adjustment threaded rod is assembled in a threaded hole of the guide rod, the other end of the fine adjustment threaded rod is meshed with threads of the right fixing block, the threads formed in the two ends of the fine adjustment threaded rod are in the same spiral direction, and the worm self-locking and looseness-preventing devices are arranged on the large threaded rod and the fine adjustment threaded rod respectively. The worm self-locking and looseness-preventing type fine adjustment clamp solves the problems that according to an existing clamp, fine adjustment cannot be easily carried out, locating precision is low, and looseness easily happens, 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 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 that causes for existing fixture is difficult for, positioning precision is not high, easy loosening problem, the invention provides a kind of worm screw automatic locking anti-loosing fine tuning fixture.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of 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, 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.
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.
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 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 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.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, 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, 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.
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.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, 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, 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.
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 °.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, 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, 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.
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 °.
Claims (2)
1. a 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), 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).
2. 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310672667.1A CN103769916A (en) | 2013-12-12 | 2013-12-12 | Worm self-locking and looseness-preventing type fine adjustment clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310672667.1A CN103769916A (en) | 2013-12-12 | 2013-12-12 | Worm self-locking and looseness-preventing type fine adjustment clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103769916A true CN103769916A (en) | 2014-05-07 |
Family
ID=50562925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310672667.1A Pending CN103769916A (en) | 2013-12-12 | 2013-12-12 | Worm self-locking and looseness-preventing type fine adjustment clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103769916A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3309513A1 (en) * | 1982-03-18 | 1983-10-27 | Giovanni Treviso Gastaldo | Vice |
| CN201537821U (en) * | 2009-10-15 | 2010-08-04 | 陕西汉江机床有限公司 | Workpiece positioning and clamping device for threading machine |
| CN201579632U (en) * | 2010-01-13 | 2010-09-15 | 西安鹏程机电设备有限公司 | Clamp for boring machine for clamping parts of tank body |
| CN202185748U (en) * | 2011-07-07 | 2012-04-11 | 陈小青 | Mechanical arm capable of automatic clamping |
| CN203003546U (en) * | 2013-01-09 | 2013-06-19 | 安徽机电职业技术学院 | Two-degree freedom spatial position and orientation adjustable clamp device |
| CN103433779A (en) * | 2013-08-22 | 2013-12-11 | 芜湖奕辰模具科技有限公司 | Composite fixture with controllable pressure |
| CN203726194U (en) * | 2013-12-12 | 2014-07-23 | 芜湖市天雄塑料科技有限公司 | Worm-self-locking looseness preventing type fine tuning clamp |
-
2013
- 2013-12-12 CN CN201310672667.1A patent/CN103769916A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3309513A1 (en) * | 1982-03-18 | 1983-10-27 | Giovanni Treviso Gastaldo | Vice |
| CN201537821U (en) * | 2009-10-15 | 2010-08-04 | 陕西汉江机床有限公司 | Workpiece positioning and clamping device for threading machine |
| CN201579632U (en) * | 2010-01-13 | 2010-09-15 | 西安鹏程机电设备有限公司 | Clamp for boring machine for clamping parts of tank body |
| CN202185748U (en) * | 2011-07-07 | 2012-04-11 | 陈小青 | Mechanical arm capable of automatic clamping |
| CN203003546U (en) * | 2013-01-09 | 2013-06-19 | 安徽机电职业技术学院 | Two-degree freedom spatial position and orientation adjustable clamp device |
| CN103433779A (en) * | 2013-08-22 | 2013-12-11 | 芜湖奕辰模具科技有限公司 | Composite fixture with controllable pressure |
| CN203726194U (en) * | 2013-12-12 | 2014-07-23 | 芜湖市天雄塑料科技有限公司 | Worm-self-locking looseness preventing type fine tuning clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203726194U (en) | Worm-self-locking looseness preventing type fine tuning clamp | |
| CN203712337U (en) | Pressure-controllable fine-adjustment clamp with worm self-locking and anti-loosening function | |
| CN203679845U (en) | Pressure-measurable limitative loose-preventing fine adjustment clamp | |
| CN203738433U (en) | Pressure-controllable limit anti-looseness fine-tuning clamp | |
| CN203726199U (en) | Worm self-locking anti-loose type fine-adjustment fixture allowing pressure to be measurable | |
| CN203679840U (en) | Pressure-measurable fine adjustment clamp | |
| CN103769918A (en) | Pawl looseness prevention fine-adjustment clamp with measurable pressure | |
| CN203679844U (en) | Pressure-measurable ratchet loose-preventing fine adjustment clamp | |
| CN103737390A (en) | Pressure-detectable worm self-locking looseness-prevention fine adjustment fixture | |
| CN203679847U (en) | Pressure-controllable and pawl anti-loosening type fine adjustment clamp | |
| CN203726156U (en) | Limit looseness preventing type fine tuning clamp | |
| CN103769884A (en) | Clamp with fine adjustment function | |
| CN203679792U (en) | Fine adjustment clamp | |
| CN103769916A (en) | Worm self-locking and looseness-preventing type fine adjustment clamp | |
| CN203665145U (en) | Pawl anti-loosening type fine-adjusting clamp | |
| CN103737349A (en) | Pressure-measurable limiting anti-loosing type quick clamping fixture | |
| CN203738400U (en) | Pressure-controllable high-precision fine-tuning clamp with anti-looseness pawl | |
| CN203779155U (en) | Pressure controllable type fine adjustment fixture | |
| CN203679785U (en) | Self-locking worm loose-preventing high-precision fine adjustment clamp | |
| CN203726193U (en) | Worm-self-locking looseness preventing type rapid clamping fixture | |
| CN203738431U (en) | Pressure-controllable fine-precision fine-tuning clamp with self-locking anti-looseness worm | |
| CN103737387A (en) | Pressure-measurable limiting anti-loosing type fine adjustment fixture | |
| CN203726164U (en) | Pressure measurable worm self-locking and loosening-preventing type high-precision fine adjusting clamp | |
| CN104015072A (en) | Pressure controllable type pawl anti-loose fast clamping clamp | |
| CN104015074A (en) | Pressure controllable type worm self-locking anti-loose fine adjusting clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140507 |