CN103737346A - Quick limiting looseness-prevention clamping fixture - Google Patents
Quick limiting looseness-prevention clamping fixture Download PDFInfo
- Publication number
- CN103737346A CN103737346A CN201310672512.8A CN201310672512A CN103737346A CN 103737346 A CN103737346 A CN 103737346A CN 201310672512 A CN201310672512 A CN 201310672512A CN 103737346 A CN103737346 A CN 103737346A
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- China
- Prior art keywords
- screw rod
- fixed block
- clamping
- clamp
- lever
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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 quick limiting looseness-prevention clamping fixture, and belongs to the field of fixtures. The quick limiting looseness-prevention 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 and limiting looseness-prevention devices. The fixture base is provided with a dovetail groove, 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 adjustment screw, one end of the fine adjustment screw is assembled in a threaded hole of the guide rod, the threads at the other end of the fine adjustment screw are meshed with threads of the right fixing block, the threads at the two ends of the fine adjustment screw are opposite in turning direction and the limiting looseness-prevention devices are arranged both on the fine adjustment screw and the large screw. The quick limiting looseness-prevention clamping fixture solves the problems that in an existing fixture, the clamping speed is low and looseness is prone to occurring, 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 restriction 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 restriction anti-loosing type fast-clamping clamp.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of restriction anti-loosing type 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, restriction locking device, 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 fine setting screw rod and large screw rod, be provided with restriction locking device.
Described restriction locking device is comprised of ratchet, roller, lever, spring, bolt, described ratchet is assemblied on large screw rod by key, the quantity of described lever is 2, divide and be located at ratchet both sides, and be all hinged on clamping fixture seat, and away from one end of clamping fixture seat, unthreaded hole be set at lever, described roller is connected through the hinge on lever, the two ends of described spring are connected on the lever of ratchet both sides, and described bolt is through the reserved unthreaded hole of lever.
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 ratchet and roller to realize the locking effect to fine setting screw rod and large screw rod, in the course of the work, the locking to screw rod due to ratchet and roller, has played the locking of fine setting screw rod and large screw rod, and then makes fixture can not occur becoming flexible because of the effect of vibration and cutting force.
(3) the present invention adopts two symmetrical rollers, has eliminated radial load screw rod being caused because of locking effect, has improved the service life of fixture.
(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 that C in Fig. 1 is to view.
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-restriction locking device, 10-ratchet, 11-roller, 12-lever, 13-spring, 14-bolt.
The specific embodiment
Below in conjunction with accompanying drawing, describe the present invention.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, restriction 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, restriction locking device 9, 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 fine setting screw rod 7 and large screw rod 3, be provided with restriction locking device 9.
Described restriction locking device 9 is comprised of ratchet 10, roller 11, lever 12, spring 13, bolt 14, described ratchet 10 is assemblied on large screw rod 3 by key, the quantity of described lever 12 is 2, divide and be located at ratchet 10 both sides, and be all hinged on clamping fixture seat 1, and away from one end of clamping fixture seat 1, unthreaded hole is set at lever 12, described roller 11 is connected through the hinge on lever 12, the two ends of described spring 13 are connected on the lever 12 of ratchet 10 both sides, and described bolt 14 is through the reserved unthreaded hole of lever 12.
Described spring 13 is extension spring.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, restriction 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, restriction locking device 9, 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 fine setting screw rod 7 and large screw rod 3, be provided with restriction locking device 9.
Described restriction locking device 9 is comprised of ratchet 10, roller 11, lever 12, spring 13, bolt 14, described ratchet 10 is assemblied on large screw rod 3 by key, the quantity of described lever 12 is 2, divide and be located at ratchet 10 both sides, and be all hinged on clamping fixture seat 1, and away from one end of clamping fixture seat 1, unthreaded hole is set at lever 12, described roller 11 is connected through the hinge on lever 12, the two ends of described spring 13 are connected on the lever 12 of ratchet 10 both sides, and described bolt 14 is through the reserved unthreaded hole of lever 12.
Described spring 13 is extension spring, and its cross section is circular.Described fine setting screw rod 7 left end thread rotary orientations are left-handed, and right-hand member thread rotary orientation is dextrorotation.
Claims (3)
1. one kind is limited 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), restriction locking device (9), 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 fine setting screw rod (7) and large screw rod (3), be provided with restriction locking device (9).
2. restriction anti-loosing type fast-clamping clamp according to claim 1, it is characterized in that, described restriction locking device (9) is by ratchet (10), roller (11), lever (12), spring (13), bolt (14) forms, described ratchet (10) is assemblied on large screw rod (3) by key, the quantity of described lever (12) is 2, divide and be located at ratchet (10) both sides, and be all hinged on clamping fixture seat (1), and away from one end of clamping fixture seat (1), unthreaded hole is set at lever (12), described roller (11) is connected through the hinge on lever (12), the two ends of described spring (13) are connected on the lever (12) of ratchet (10) both sides, described bolt (14) is through the reserved unthreaded hole of lever (12).
3. restriction anti-loosing type fast-clamping clamp according to claim 2, is characterized in that, described spring (13) is extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310672512.8A CN103737346A (en) | 2013-12-12 | 2013-12-12 | Quick limiting looseness-prevention clamping fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310672512.8A CN103737346A (en) | 2013-12-12 | 2013-12-12 | Quick limiting looseness-prevention clamping fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103737346A true CN103737346A (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310672512.8A Pending CN103737346A (en) | 2013-12-12 | 2013-12-12 | Quick limiting looseness-prevention clamping fixture |
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| CN (1) | CN103737346A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759907A (en) * | 2015-03-17 | 2015-07-08 | 黄春凤 | Clamp for processing flywheel cover |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20301429U1 (en) * | 2003-01-28 | 2003-06-18 | Bds Maschinen Gmbh | Gripping device for gripping a workpiece to be processed using a rotating processing tool comprises a mounting surface for corresponding surface of the processing machine and devices for fixing the gripping device on the processing machine |
| CN2900039Y (en) * | 2006-06-19 | 2007-05-16 | 上海东方泵业(集团)有限公司 | Lathe micro regulation pricision cutter |
| CN203184998U (en) * | 2013-04-08 | 2013-09-11 | 马鞍山市力翔机械自动化科技有限公司 | Numerical-control-milling disc workpiece clamp |
| CN103406788A (en) * | 2013-08-21 | 2013-11-27 | 芜湖奕辰模具科技有限公司 | L-shaped clamp for milling machine |
| 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 |
| CN203679786U (en) * | 2013-12-12 | 2014-07-02 | 芜湖市天雄塑料科技有限公司 | Limitative loose-preventing quick clamp |
-
2013
- 2013-12-12 CN CN201310672512.8A patent/CN103737346A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20301429U1 (en) * | 2003-01-28 | 2003-06-18 | Bds Maschinen Gmbh | Gripping device for gripping a workpiece to be processed using a rotating processing tool comprises a mounting surface for corresponding surface of the processing machine and devices for fixing the gripping device on the processing machine |
| CN2900039Y (en) * | 2006-06-19 | 2007-05-16 | 上海东方泵业(集团)有限公司 | Lathe micro regulation pricision cutter |
| CN203184998U (en) * | 2013-04-08 | 2013-09-11 | 马鞍山市力翔机械自动化科技有限公司 | Numerical-control-milling disc workpiece clamp |
| CN103406788A (en) * | 2013-08-21 | 2013-11-27 | 芜湖奕辰模具科技有限公司 | L-shaped clamp for milling machine |
| 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 |
| CN203679786U (en) * | 2013-12-12 | 2014-07-02 | 芜湖市天雄塑料科技有限公司 | Limitative loose-preventing quick clamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759907A (en) * | 2015-03-17 | 2015-07-08 | 黄春凤 | Clamp for processing flywheel cover |
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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: 20140423 |