CN104015074A - Pressure controllable type worm self-locking anti-loose fine adjusting clamp - Google Patents
Pressure controllable type worm self-locking anti-loose fine adjusting clamp Download PDFInfo
- Publication number
- CN104015074A CN104015074A CN201310686565.5A CN201310686565A CN104015074A CN 104015074 A CN104015074 A CN 104015074A CN 201310686565 A CN201310686565 A CN 201310686565A CN 104015074 A CN104015074 A CN 104015074A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- worm
- fixed block
- clamp
- locking anti
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- 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.)
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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
Abstract
The invention discloses a pressure controllable type worm self-locking anti-loose fine adjusting clamp, and belongs to the field of clamps. The clamp comprises a clamp seat, a left fixing block, a large screw rod, a left clamping block, a right clamping block, a guide rod, a fine adjusting screw rod, a right fixing block, worm self-locking anti-loose devices, a worm gear, a worm and a dial. A dovetail groove is formed in the clamp seat, 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 adjusting screw rod, one end of the fine adjusting screw rod is assembled in a threaded hole of the guide rod, the other end of the fine adjusting screw rod is meshed with threads of the right fixing block, the turning directions of the threads at the two ends of the fine adjusting screw rod are the same, the worm self-locking anti-loose devices are arranged on the large screw rod and the fine adjusting screw rod respectively, and the dial is fixedly arranged on the worm. The problem that an existing clamp is difficult to adjust finely, low in locating precision and prone to being loosened, and clamping force is hard to control is solved, and the 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 controllable 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 controllable 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 controllable 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, 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 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, described dial is fixed on worm screw.
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 dial is provided with scale at its edge.
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 dial on worm screw, 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 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-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 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, dial 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, described dial 12 is fixed on worm screw 11.
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 dial 12 is provided with scale at its edge.
embodiment 1
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pressure controllable 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, dial 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, described dial 12 is fixed on worm screw 11.
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 dial 12 is provided with scale at its edge, and scale adopts angle system.
embodiment 2
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pressure controllable 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, dial 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, described dial 12 is fixed on worm screw 11.
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 dial 12 is provided with scale at its edge, and scale adopts angle system.
Claims (3)
1. a pressure controllable 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), dial (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), described dial (12) is fixed on worm screw (11).
2. pressure controllable 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 controllable type worm screw automatic locking anti-loosing fine tuning fixture according to claim 1, is characterized in that, described dial (12) is provided with scale at its edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686565.5A CN104015074A (en) | 2013-12-17 | 2013-12-17 | Pressure controllable type worm self-locking anti-loose fine adjusting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686565.5A CN104015074A (en) | 2013-12-17 | 2013-12-17 | Pressure controllable type worm self-locking anti-loose fine adjusting clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104015074A true CN104015074A (en) | 2014-09-03 |
Family
ID=51432228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310686565.5A Pending CN104015074A (en) | 2013-12-17 | 2013-12-17 | Pressure controllable type worm self-locking anti-loose fine adjusting clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104015074A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2209294A (en) * | 1987-09-01 | 1989-05-10 | Yang Tai Her | Clamping device with screw-threaded adjustment |
| CN202123269U (en) * | 2011-06-29 | 2012-01-25 | 由雨鑫 | Positioning and clamping mechanism applied to numeral control drilling machines for machining blind holes in perforation gun barrel bodies |
| CN203245387U (en) * | 2013-04-22 | 2013-10-23 | 江西铜业股份有限公司 | Differential motion microcartridge |
| CN103419046A (en) * | 2013-08-22 | 2013-12-04 | 芜湖奕辰模具科技有限公司 | Pressure measurable type machine tool clamp |
| 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 |
| CN103433777A (en) * | 2013-08-22 | 2013-12-11 | 芜湖奕辰模具科技有限公司 | Fast clamping mechanism of machine tool |
| CN103433776A (en) * | 2013-08-22 | 2013-12-11 | 芜湖奕辰模具科技有限公司 | Composite fixture with measurable pressure |
| CN203712337U (en) * | 2013-12-17 | 2014-07-16 | 芜湖市天雄塑料科技有限公司 | Pressure-controllable fine-adjustment clamp with worm self-locking and anti-loosening function |
-
2013
- 2013-12-17 CN CN201310686565.5A patent/CN104015074A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2209294A (en) * | 1987-09-01 | 1989-05-10 | Yang Tai Her | Clamping device with screw-threaded adjustment |
| CN202123269U (en) * | 2011-06-29 | 2012-01-25 | 由雨鑫 | Positioning and clamping mechanism applied to numeral control drilling machines for machining blind holes in perforation gun barrel bodies |
| CN203245387U (en) * | 2013-04-22 | 2013-10-23 | 江西铜业股份有限公司 | Differential motion microcartridge |
| CN103419046A (en) * | 2013-08-22 | 2013-12-04 | 芜湖奕辰模具科技有限公司 | Pressure measurable type machine tool clamp |
| 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 |
| CN103433777A (en) * | 2013-08-22 | 2013-12-11 | 芜湖奕辰模具科技有限公司 | Fast clamping mechanism of machine tool |
| CN103433776A (en) * | 2013-08-22 | 2013-12-11 | 芜湖奕辰模具科技有限公司 | Composite fixture with measurable pressure |
| CN203712337U (en) * | 2013-12-17 | 2014-07-16 | 芜湖市天雄塑料科技有限公司 | Pressure-controllable fine-adjustment clamp with worm self-locking and anti-loosening function |
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| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: WUHU TIANXIONG PLASTIC SCIENCE & TECHNOLOGY CO., LTD. Document name: Notice of non patent agency |
|
| DD01 | Delivery of document by public notice |
Addressee: WUHU TIANXIONG PLASTIC SCIENCE & TECHNOLOGY CO., LTD. Document name: Notification of Passing Examination on Formalities |
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| 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: 20140903 |