CN103737385A - Worm self-locking anti-loose type rapid clamping fixture - Google Patents
Worm self-locking anti-loose type rapid clamping fixture Download PDFInfo
- Publication number
- CN103737385A CN103737385A CN201310672779.7A CN201310672779A CN103737385A CN 103737385 A CN103737385 A CN 103737385A CN 201310672779 A CN201310672779 A CN 201310672779A CN 103737385 A CN103737385 A CN 103737385A
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- CN
- China
- Prior art keywords
- worm
- fixed block
- locking anti
- screw rod
- clamp
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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
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a worm self-locking anti-loose type rapid clamping fixture, and belongs to the field of fixtures. The worm self-locking anti-loose type rapid clamping 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 and a worm. A dovetail groove is formed in the fixture base, the left fixing block and the right fixing block are arranged at the two ends of the dovetail groove, the two ends of the fine adjustment rod are provided with threads, one end of the fine adjustment rod is assembled in a threaded hole of the guide rod, the other end of the fine adjustment rod is meshed with the right fixing block in a threaded mode, the rotation directions of the threads at the two ends of the fine adjustment rod are opposite, and the large screw and the fine adjustment rod are both provided with the worm self-locking anti-loose devices. The worm self-locking anti-loose type rapid clamping fixture solves the problems that an existing fixture is low in clamping speed and prone to loosening, 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 fast-clamping clamp for piece-holder.
Background technology
In machine industry, lathe is widely used in processing all kinds of parts, when processing parts, relates to its clamping and positioning problem.In clamping process, usually occur following problem, the space of workpiece and clamping device is larger, now, by the location that regulates clamping device to complete workpiece, need to expend the plenty of time.If can realize quick-clamping, not only improved operating efficiency, and reduced labour intensity.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 clamping speed that causes for existing fixture is slow, easy loosening problem, the invention provides a kind of worm screw automatic locking anti-loosing fast-clamping clamp.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of worm screw automatic locking anti-loosing fast-clamping clamp, 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 at dovetail groove two ends, be provided with left fixed block and right fixed block, 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 contrary, 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 comprised 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 minimum input to produce larger displacement, makes to complete fast clamping, has improved efficiency, has reduced labour intensity.
(2) the present invention utilizes worm geared self-locking performance to realize the locking of fixture, locking reliable and compact conformation.
(3) 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
Below in conjunction with accompanying drawing, describe the present invention.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, worm screw automatic locking anti-loosing fast-clamping clamp 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 at dovetail groove two ends, be provided with left fixed block 2 and right fixed block 8, 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 contrary, 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 comprised 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 fast-clamping clamp 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 at dovetail groove two ends, be provided with left fixed block 2 and right fixed block 8, 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 contrary, 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 comprised 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 °.
Described fine setting screw rod 7 left end thread rotary orientations are left-handed, and right-hand member thread rotary orientation is dextrorotation.
Claims (2)
1. a worm screw automatic locking anti-loosing fast-clamping clamp, 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, described clamping fixture seat is provided with dovetail groove on (1), and at dovetail groove two ends, be provided with left fixed block (2) and right fixed block (8), 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 contrary, 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 comprised 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 fast-clamping clamp 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 |
|---|---|---|---|
| CN201310672779.7A CN103737385A (en) | 2013-12-12 | 2013-12-12 | Worm self-locking anti-loose type rapid clamping fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310672779.7A CN103737385A (en) | 2013-12-12 | 2013-12-12 | Worm self-locking anti-loose type rapid clamping fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103737385A true CN103737385A (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310672779.7A Pending CN103737385A (en) | 2013-12-12 | 2013-12-12 | Worm self-locking anti-loose type rapid clamping fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103737385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440062A (en) * | 2014-11-21 | 2015-03-25 | 重庆耀勇减震器有限公司 | Holding mechanism of shock absorber screwing-connecting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2915380A1 (en) * | 1979-04-14 | 1980-10-16 | Hegenscheidt Gmbh Wilhelm | Hydraulically actuated clamps for tube boring machine - prevent elastic deformation of tube during boring |
| FR2455947A2 (en) * | 1979-05-07 | 1980-12-05 | Krygiel Jean | Swivel mounting for retracting conical sleeve chuck machine tool - uses crank rotation to pull base onto bed plate and effect lock by interface friction |
| 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 |
| 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 |
| CN203726193U (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 rapid clamping fixture |
-
2013
- 2013-12-12 CN CN201310672779.7A patent/CN103737385A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2915380A1 (en) * | 1979-04-14 | 1980-10-16 | Hegenscheidt Gmbh Wilhelm | Hydraulically actuated clamps for tube boring machine - prevent elastic deformation of tube during boring |
| FR2455947A2 (en) * | 1979-05-07 | 1980-12-05 | Krygiel Jean | Swivel mounting for retracting conical sleeve chuck machine tool - uses crank rotation to pull base onto bed plate and effect lock by interface friction |
| 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 |
| 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 |
| CN203726193U (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 rapid clamping fixture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440062A (en) * | 2014-11-21 | 2015-03-25 | 重庆耀勇减震器有限公司 | Holding mechanism of shock absorber screwing-connecting device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20140423 |