CN103737347A - Rachet looseness prevention quick clamping fixture - Google Patents
Rachet looseness prevention quick clamping fixture Download PDFInfo
- Publication number
- CN103737347A CN103737347A CN201310672609.9A CN201310672609A CN103737347A CN 103737347 A CN103737347 A CN 103737347A CN 201310672609 A CN201310672609 A CN 201310672609A CN 103737347 A CN103737347 A CN 103737347A
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- CN
- China
- Prior art keywords
- screw rod
- ratchet
- fixed block
- clamp
- clamping
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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)
- Clamps And Clips (AREA)
Abstract
The invention discloses a rachet looseness prevention quick clamping fixture, and belongs to the field of fixtures. The rachet looseness prevention quick clamping fixture comprises a fixture seat, a left fixing block, a big screw rod, a left clamping block, a right clamping block, a guide rod, a fine adjusting screw rod, a right fixing block, rachet looseness prevention devices, a gear, an outer ring, a spring, a rachet and a screw. A dovetail groove is formed in the fixture seat, 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 adjusting screw rod are respectively provided with a thread, one end of the fine adjusting screw rod is arranged in a threaded hole of the guide rod, and the other end of the fine adjusting screw rod is meshed with a thread of the right fixing block. The rotating directions of the threads at the two ends of the fine adjusting screw rod are opposite, and the big screw rod and the fine adjusting screw rod are respectively provided with one rachet looseness prevention device. The rachet looseness prevention quick 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 ratchet anti-loosing type 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 ratchet anti-loosing type fast-clamping clamp.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of ratchet anti-loosing type fast-clamping clamp, comprises clamping fixture seat, left fixed block, large screw rod, left clamp, right clamp, guide rod, fine setting screw rod, right fixed block, ratchet locking device, gear, outer ring, spring, ratchet, 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 equipped with ratchet locking device, described ratchet locking device is by gear, outer ring, spring, ratchet, screw composition, described gear is assemblied on large screw rod by key, and described outer ring is fixed on clamping fixture seat, and being provided with screwed hole and spring, one end of described ratchet is hinged on outer ring, other end linking springs, described screw is assemblied in the screwed hole of outer ring, and is pressed on ratchet.
Described left fixed block is identical at the thread rotary orientation of engagement place with large screw rod, described guide rod is identical at the thread rotary orientation of engagement place with fine setting screw rod, described right fixed block is identical at the thread rotary orientation of engagement place with fine setting screw rod, described left clamp and right clamp are inlayed one deck carbide alloy on its clamping area, and described spring is extension spring.
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 gear and ratchet to realize the locking effect to large screw rod and fine setting screw rod, in the course of the work, the locking to screw rod due to gear and ratchet, has played the locking of screw rod, and then makes fixture can not occur becoming flexible because of the effect of vibration and cutting force.
(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-ratchet locking device, 10-gear, 11-outer ring, 12-spring, 13-ratchet, 14-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, ratchet anti-loosing type 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, ratchet locking device 9, gear 10, outer ring 11, spring 12, ratchet 13, screw 14, 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 equipped with ratchet locking device 9, described ratchet locking device 9 is by gear 10, outer ring 11, spring 12, ratchet 13, screw 14 forms, described gear 10 is assemblied on large screw rod 3 by key, described outer ring 11 is fixed on clamping fixture seat 1, and be provided with screwed hole and spring 12, one end of described ratchet 13 is hinged on outer ring 11, other end linking springs 12, described screw 14 is assemblied in the screwed hole of outer ring 11, and is pressed on ratchet 13.
Described left fixed block 2 is identical at the thread rotary orientation of engagement place with large screw rod 3, described guide rod 6 is identical at the thread rotary orientation of engagement place with fine setting screw rod 7, described right fixed block 8 is identical at the thread rotary orientation of engagement place with fine setting screw rod 7, described left clamp 4 and right clamp 5 are inlayed one deck carbide alloy on its clamping area, and described spring 12 is extension spring.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, ratchet anti-loosing type 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, ratchet locking device 9, gear 10, outer ring 11, spring 12, ratchet 13, screw 14, 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 equipped with ratchet locking device 9, described ratchet locking device 9 is by gear 10, outer ring 11, spring 12, ratchet 13, screw 14 forms, described gear 10 is assemblied on large screw rod 3 by key, described outer ring 11 is fixed on clamping fixture seat 1, and be provided with screwed hole and spring 12, one end of described ratchet 13 is hinged on outer ring 11, other end linking springs 12, described screw 14 is assemblied in the screwed hole of outer ring 11, and is pressed on ratchet 13.
Described left fixed block 2 is identical at the thread rotary orientation of engagement place with large screw rod 3, described guide rod 6 is identical at the thread rotary orientation of engagement place with fine setting screw rod 7, described right fixed block 8 is identical at the thread rotary orientation of engagement place with fine setting screw rod 7, described spring 12 is extension spring, and described left clamp 4 and right clamp 5 are inlayed tungsten carbide base carbide alloy on its clamping area.
Described fine setting screw rod 7 left end thread rotary orientations are left-handed, and right-hand member thread rotary orientation is dextrorotation.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, ratchet anti-loosing type 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, ratchet locking device 9, gear 10, outer ring 11, spring 12, ratchet 13, screw 14, 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 equipped with ratchet locking device 9, described ratchet locking device 9 is by gear 10, outer ring 11, spring 12, ratchet 13, screw 14 forms, described gear 10 is assemblied on large screw rod 3 by key, described outer ring 11 is fixed on clamping fixture seat 1, and be provided with screwed hole and spring 12, one end of described ratchet 13 is hinged on outer ring 11, other end linking springs 12, described screw 14 is assemblied in the screwed hole of outer ring 11, and is pressed on ratchet 13.
Described left fixed block 2 is identical at the thread rotary orientation of engagement place with large screw rod 3, described guide rod 6 is identical at the thread rotary orientation of engagement place with fine setting screw rod 7, described right fixed block 8 is identical at the thread rotary orientation of engagement place with fine setting screw rod 7, described spring 12 is extension spring, and described left clamp 4 and right clamp 5 are inlayed boride based cemented carbide on its clamping area.
Described fine setting screw rod 7 left end thread rotary orientations are dextrorotation, and right-hand member thread rotary orientation is left-handed.
Claims (6)
1. a ratchet anti-loosing type 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), ratchet locking device (9), gear (10), outer ring (11), spring (12), ratchet (13), screw (14), it is characterized in that, 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 equipped with ratchet locking device (9), described ratchet locking device (9) is by gear (10), outer ring (11), spring (12), ratchet (13), screw (14) composition, described gear (10) is assemblied on large screw rod (3) by key, described outer ring (11) is fixed on clamping fixture seat (1), and be provided with screwed hole and spring (12), one end of described ratchet (13) is hinged on outer ring (11), other end linking springs (12), described screw (14) is assemblied in the screwed hole of outer ring (11), and be pressed on ratchet (13).
2. ratchet anti-loosing type fast-clamping clamp according to claim 1, is characterized in that, described left fixed block (2) is identical at the thread rotary orientation of engagement place with large screw rod (3).
3. ratchet anti-loosing type fast-clamping clamp according to claim 1, is characterized in that, described guide rod (6) is identical at the thread rotary orientation of engagement place with fine setting screw rod (7).
4. ratchet anti-loosing type fast-clamping clamp according to claim 1, is characterized in that, described right fixed block (8) is identical at the thread rotary orientation of engagement place with fine setting screw rod (7).
5. ratchet anti-loosing type fast-clamping clamp according to claim 1, is characterized in that, described left clamp (4) and right clamp (5) are inlayed one deck carbide alloy on its clamping area.
6. ratchet anti-loosing type fast-clamping clamp according to claim 1, is characterized in that, described spring (12) is extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310672609.9A CN103737347A (en) | 2013-12-12 | 2013-12-12 | Rachet looseness prevention quick clamping fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310672609.9A CN103737347A (en) | 2013-12-12 | 2013-12-12 | Rachet looseness prevention quick clamping fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103737347A true CN103737347A (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310672609.9A Pending CN103737347A (en) | 2013-12-12 | 2013-12-12 | Rachet looseness prevention quick clamping fixture |
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| Country | Link |
|---|---|
| CN (1) | CN103737347A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737383A (en) * | 2013-12-12 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Rachet looseness prevention fine adjusting clamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075666U (en) * | 1990-09-10 | 1991-04-24 | 李延 | Rolling type clothes hanging device |
| CN2371390Y (en) * | 1998-11-18 | 2000-03-29 | 李超 | Composite wheel |
| US20090008850A1 (en) * | 2007-07-02 | 2009-01-08 | Ferng-Jong Liou | Quick clamping fixture |
| 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 |
| CN203726157U (en) * | 2013-12-12 | 2014-07-23 | 芜湖市天雄塑料科技有限公司 | Rapid clamping fixture with looseness preventing pawls |
-
2013
- 2013-12-12 CN CN201310672609.9A patent/CN103737347A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075666U (en) * | 1990-09-10 | 1991-04-24 | 李延 | Rolling type clothes hanging device |
| CN2371390Y (en) * | 1998-11-18 | 2000-03-29 | 李超 | Composite wheel |
| US20090008850A1 (en) * | 2007-07-02 | 2009-01-08 | Ferng-Jong Liou | Quick clamping fixture |
| 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 |
| CN203726157U (en) * | 2013-12-12 | 2014-07-23 | 芜湖市天雄塑料科技有限公司 | Rapid clamping fixture with looseness preventing pawls |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737383A (en) * | 2013-12-12 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Rachet looseness prevention fine adjusting clamp |
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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) | ||
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Application publication date: 20140423 |