CN103722413A - Controllable pressure worm-type self-latching locking high-precision fine adjustment clamp - Google Patents
Controllable pressure worm-type self-latching locking high-precision fine adjustment clamp Download PDFInfo
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- CN103722413A CN103722413A CN201310685507.0A CN201310685507A CN103722413A CN 103722413 A CN103722413 A CN 103722413A CN 201310685507 A CN201310685507 A CN 201310685507A CN 103722413 A CN103722413 A CN 103722413A
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- Prior art keywords
- clamp
- worm screw
- fixed block
- clamping fixture
- worm
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/002—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders
- B23Q17/005—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders by measuring a force, a pressure or a deformation
-
- 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)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses a controllable pressure worm-type self-latching locking high-precision fine adjustment clamp and belongs to the field of clamps. The controllable pressure worm-type self-latching locking high-precision fine adjustment clamp comprises a clamp base, a left fixing block, a left screw, a left clamp block, a right clamp block, a guide rod, and a right fixing block. The clamp base is provided with a dovetailed groove. The left and right fixing blocks are disposed at two ends of the dovetailed groove respectively. The controllable pressure worm-type self-latching locking high-precision fine adjustment clamp further comprises a driven link, a left spring, a driving link, a right spring, a transmission rod, a right screw, a handle, retaining locking devices, and graduated discs. Each of the left and right screws is provided with one retaining locking device. Each worm is provided with one graduated disc. Through the use of the controllable pressure worm-type self-latching locking high-precision fine adjustment clamp, the problems that fine adjustment of the existing clamp is difficult, the existing clamp is low in positioning precision and easily loosens and clamping force is difficult to control are solved; the controllable pressure worm-type self-latching locking high-precision fine adjustment clamp has the advantages of simple structure, reasonable design and ease of 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 high precision 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 high precision 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 high precision fine tuning fixture, comprises clamping fixture seat, left fixed block, left screw rod, left clamp, right clamp, guide rod, right fixed block, on clamping fixture seat, be provided with dovetail groove, and at dovetail groove two ends, be provided with left fixed block and right fixed block, and left fixed block is provided with screwed hole, and right fixed block is provided with unthreaded hole, left clamp and right clamp are all assemblied in the dovetail groove on clamping fixture seat, left screw rod one end and left clamp are connected, the threaded engagement of the other end and left fixed block, and guide rod one end and right clamp are connected, the other end is assemblied in the unthreaded hole of right fixed block, also comprises follower link, left spring, drive connecting rod, right spring, transmission lever, right screw rod, worm screw self-locking anti-loosing device, worm gear, worm screw, dial, on described right screw rod and left screw rod, be equipped with worm screw self-locking anti-loosing device, one end of described follower link is articulated with on clamping fixture seat, the other end is connected with drive connecting rod by transmission lever, its one end near hinge is connected with guide rod, described drive connecting rod one end is articulated with on clamping fixture seat, the other end is connected with right screw rod, described right screw rod is assemblied in the screwed hole of clamping fixture seat, and in its one end, handle is set, and described left spring one end is connected with follower link upper end, the other end is connected with clamping fixture seat, described right spring one end is connected with drive connecting rod lower end, and the other end is connected with clamping fixture seat, and described worm screw is provided with dial.
Described worm screw self-locking anti-loosing device is comprised of worm gear and worm screw, and described worm gear is assemblied on left screw rod by key, and described worm screw is assemblied in clamping fixture seat by rolling bearing, and is 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, 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 lever principle, and larger input is converted into 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 assurance 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.
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.
In figure: 1-clamping fixture seat, 2-left fixed block, 3-left screw rod, 4-left clamp, 5-right clamp, 6-guide rod, 7-right fixed block, 8-follower link, 9-left spring, 10-drive connecting rod, 11-right spring, 12-transmission lever, 13-right screw rod, 14-worm screw self-locking anti-loosing device, 15-worm gear, 16-worm screw, 17-dial.
The specific embodiment
Below in conjunction with accompanying drawing, describe the present invention.
As Fig. 1, Fig. 2, shown in Fig. 3, pressure controllable type worm screw automatic locking anti-loosing high precision fine tuning fixture comprises clamping fixture seat 1, left fixed block 2, left screw rod 3, left clamp 4, right clamp 5, guide rod 6, right fixed block 7, on 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 7, and left fixed block 2 is provided with screwed hole, and right fixed block 7 is provided with unthreaded hole, left clamp 4 and right clamp 5 are all assemblied in the dovetail groove on clamping fixture seat 1, left screw rod 3 one end and left clamp 4 are connected, the threaded engagement of the other end and left fixed block 2, and guide rod 6 one end and right clamp 5 are connected, the other end is assemblied in the unthreaded hole of right fixed block 7, also comprises follower link 8, left spring 9, drive connecting rod 10, right spring 11, transmission lever 12, right screw rod 13, worm screw self-locking anti-loosing device 14, worm gear 15, worm screw 16, dial 17, on described right screw rod 13 and left screw rod 3, be equipped with worm screw self-locking anti-loosing device 14, one end of described follower link 8 is articulated with on clamping fixture seat 1, the other end is connected with drive connecting rod 10 by transmission lever 12, its one end near hinge is connected with guide rod 6, described drive connecting rod 10 one end are articulated with on clamping fixture seat 1, the other end is connected with right screw rod 13, described right screw rod 13 is assemblied in the screwed hole of clamping fixture seat 1, and in its one end, handle 14 is set, described left spring 9 one end are connected with follower link 8 upper ends, the other end is connected with clamping fixture seat 1, described right spring 11 one end are connected with drive connecting rod 10 lower ends, the other end is connected with clamping fixture seat 1, described worm screw 16 is provided with dial 17.
Described worm screw self-locking anti-loosing device 14 is comprised of worm gear 15 and worm screw 16, and described worm gear 15 is assemblied on left screw rod 3 by key, and described worm screw 16 is assemblied in clamping fixture seat 1 by rolling bearing, and is meshed with worm gear 15.
The angle of spiral of described worm screw 16 is less than the equivalent friction angle of the field of conjugate action of itself and worm gear 15, and described dial 17 is provided with scale at its edge.
As Fig. 1, Fig. 2, shown in Fig. 3, pressure controllable type worm screw automatic locking anti-loosing high precision fine tuning fixture comprises clamping fixture seat 1, left fixed block 2, left screw rod 3, left clamp 4, right clamp 5, guide rod 6, right fixed block 7, on 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 7, and left fixed block 2 is provided with screwed hole, and right fixed block 7 is provided with unthreaded hole, left clamp 4 and right clamp 5 are all assemblied in the dovetail groove on clamping fixture seat 1, left screw rod 3 one end and left clamp 4 are connected, the threaded engagement of the other end and left fixed block 2, and guide rod 6 one end and right clamp 5 are connected, the other end is assemblied in the unthreaded hole of right fixed block 7, also comprises follower link 8, left spring 9, drive connecting rod 10, right spring 11, transmission lever 12, right screw rod 13, worm screw self-locking anti-loosing device 14, worm gear 15, worm screw 16, dial 17, on described right screw rod 13 and left screw rod 3, be equipped with worm screw self-locking anti-loosing device 14, one end of described follower link 8 is articulated with on clamping fixture seat 1, the other end is connected with drive connecting rod 10 by transmission lever 12, its one end near hinge is connected with guide rod 6, described drive connecting rod 10 one end are articulated with on clamping fixture seat 1, the other end is connected with right screw rod 13, described right screw rod 13 is assemblied in the screwed hole of clamping fixture seat 1, and in its one end, handle 14 is set, described left spring 9 one end are connected with follower link 8 upper ends, the other end is connected with clamping fixture seat 1, described right spring 11 one end are connected with drive connecting rod 10 lower ends, the other end is connected with clamping fixture seat 1, described worm screw 16 is provided with dial 17.
Described worm screw self-locking anti-loosing device 14 is comprised of worm gear 15 and worm screw 16, and described worm gear 15 is assemblied on left screw rod 3 by key, and described worm screw 16 is assemblied in clamping fixture seat 1 by rolling bearing, and is meshed with worm gear 15.
The angle of spiral of described worm screw 16 is 12 °, and the equivalent friction angle of the field of conjugate action of itself and worm gear 15 is 15 °, and described dial 17 is provided with scale at its edge.
As Fig. 1, Fig. 2, shown in Fig. 3, pressure controllable type worm screw automatic locking anti-loosing high precision fine tuning fixture comprises clamping fixture seat 1, left fixed block 2, left screw rod 3, left clamp 4, right clamp 5, guide rod 6, right fixed block 7, on 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 7, and left fixed block 2 is provided with screwed hole, and right fixed block 7 is provided with unthreaded hole, left clamp 4 and right clamp 5 are all assemblied in the dovetail groove on clamping fixture seat 1, left screw rod 3 one end and left clamp 4 are connected, the threaded engagement of the other end and left fixed block 2, and guide rod 6 one end and right clamp 5 are connected, the other end is assemblied in the unthreaded hole of right fixed block 7, also comprises follower link 8, left spring 9, drive connecting rod 10, right spring 11, transmission lever 12, right screw rod 13, worm screw self-locking anti-loosing device 14, worm gear 15, worm screw 16, dial 17, on described right screw rod 13 and left screw rod 3, be equipped with worm screw self-locking anti-loosing device 14, one end of described follower link 8 is articulated with on clamping fixture seat 1, the other end is connected with drive connecting rod 10 by transmission lever 12, its one end near hinge is connected with guide rod 6, described drive connecting rod 10 one end are articulated with on clamping fixture seat 1, the other end is connected with right screw rod 13, described right screw rod 13 is assemblied in the screwed hole of clamping fixture seat 1, and in its one end, handle 14 is set, described left spring 9 one end are connected with follower link 8 upper ends, the other end is connected with clamping fixture seat 1, described right spring 11 one end are connected with drive connecting rod 10 lower ends, the other end is connected with clamping fixture seat 1, described worm screw 16 is provided with dial 17.
Described worm screw self-locking anti-loosing device 14 is comprised of worm gear 15 and worm screw 16, and described worm gear 15 is assemblied on left screw rod 3 by key, and described worm screw 16 is assemblied in clamping fixture seat 1 by rolling bearing, and is meshed with worm gear 15.
The angle of spiral of described worm screw 16 is 11 °, and the equivalent friction angle of the field of conjugate action of itself and worm gear 15 is 13 °, and described dial 17 is provided with scale at its edge.
Claims (4)
1. a pressure controllable type worm screw automatic locking anti-loosing high precision fine tuning fixture, comprise clamping fixture seat (1), left fixed block (2), left screw rod (3), left clamp (4), right clamp (5), guide rod (6), right fixed block (7), 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 (7), left fixed block (2) is provided with screwed hole, right fixed block (7) is provided with unthreaded hole, left clamp (4) and right clamp (5) are all assemblied in the dovetail groove on clamping fixture seat (1), left screw rod (3) one end and left clamp (4) are connected, the threaded engagement of the other end and left fixed block (2), guide rod (6) one end and right clamp (5) are connected, the other end is assemblied in the unthreaded hole of right fixed block (7), it is characterized in that, also comprise follower link (8), left spring (9), drive connecting rod (10), right spring (11), transmission lever (12), right screw rod (13), worm screw self-locking anti-loosing device (14), worm gear (15), worm screw (16), dial (17), on described right screw rod (13) and left screw rod (3), be equipped with worm screw self-locking anti-loosing device (14), one end of described follower link (8) is articulated with on clamping fixture seat (1), the other end is connected with drive connecting rod (10) by transmission lever (12), its one end near hinge is connected with guide rod (6), described drive connecting rod (10) one end is articulated with on clamping fixture seat (1), the other end is connected with right screw rod (13), described right screw rod (13) is assemblied in the screwed hole of clamping fixture seat (1), and handle (14) is set in its one end, described left spring (9) one end is connected with follower link (8) upper end, the other end is connected with clamping fixture seat (1), described right spring (11) one end is connected with drive connecting rod (10) lower end, the other end is connected with clamping fixture seat (1), described worm screw (16) is provided with dial (17).
2. pressure controllable type worm screw automatic locking anti-loosing high precision fine tuning fixture according to claim 1, it is characterized in that, described worm screw self-locking anti-loosing device (14) is comprised of worm gear (15) and worm screw (16), described worm gear (15) is assemblied on left screw rod (3) by key, described worm screw (16) is assemblied in clamping fixture seat (1) by rolling bearing, and is meshed with worm gear (15).
3. pressure controllable type worm screw automatic locking anti-loosing high precision fine tuning fixture according to claim 1 and 2, is characterized in that, the angle of spiral of described worm screw (16) is less than the equivalent friction angle of the field of conjugate action of itself and worm gear (15).
4. pressure controllable type worm screw automatic locking anti-loosing high precision fine tuning fixture according to claim 1, is characterized in that, described dial (17) is provided with scale at its edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685507.0A CN103722413A (en) | 2013-12-16 | 2013-12-16 | Controllable pressure worm-type self-latching locking high-precision fine adjustment clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685507.0A CN103722413A (en) | 2013-12-16 | 2013-12-16 | Controllable pressure worm-type self-latching locking high-precision fine adjustment clamp |
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| Publication Number | Publication Date |
|---|---|
| CN103722413A true CN103722413A (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310685507.0A Pending CN103722413A (en) | 2013-12-16 | 2013-12-16 | Controllable pressure worm-type self-latching locking high-precision fine adjustment clamp |
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| CN (1) | CN103722413A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676139A (en) * | 2019-03-06 | 2019-04-26 | 河海大学常州校区 | A kind of power device nanoparticles sinter packaging fixture |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6119529A (en) * | 1984-07-06 | 1986-01-28 | Fuji Heavy Ind Ltd | Clamping device |
| CN2887523Y (en) * | 2006-03-20 | 2007-04-11 | 许晓华 | Circular workpiece hole machining clamp for wire-cutting |
| 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 |
| CN202527958U (en) * | 2012-04-12 | 2012-11-14 | 江苏中港冶金设备科技有限公司 | Clamping mechanism of pipe cutting machine |
| CN202639890U (en) * | 2012-05-17 | 2013-01-02 | 赵苏峰 | Rapid clamp for machine tool |
| CN202752850U (en) * | 2012-06-30 | 2013-02-27 | 洛阳嘉维轴承制造有限公司 | Multiple-workpiece plane milling fixture |
| CN203738431U (en) * | 2013-12-16 | 2014-07-30 | 芜湖欣荣管业科技有限公司 | Pressure-controllable fine-precision fine-tuning clamp with self-locking anti-looseness worm |
-
2013
- 2013-12-16 CN CN201310685507.0A patent/CN103722413A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6119529A (en) * | 1984-07-06 | 1986-01-28 | Fuji Heavy Ind Ltd | Clamping device |
| CN2887523Y (en) * | 2006-03-20 | 2007-04-11 | 许晓华 | Circular workpiece hole machining clamp for wire-cutting |
| 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 |
| CN202527958U (en) * | 2012-04-12 | 2012-11-14 | 江苏中港冶金设备科技有限公司 | Clamping mechanism of pipe cutting machine |
| CN202639890U (en) * | 2012-05-17 | 2013-01-02 | 赵苏峰 | Rapid clamp for machine tool |
| CN202752850U (en) * | 2012-06-30 | 2013-02-27 | 洛阳嘉维轴承制造有限公司 | Multiple-workpiece plane milling fixture |
| CN203738431U (en) * | 2013-12-16 | 2014-07-30 | 芜湖欣荣管业科技有限公司 | Pressure-controllable fine-precision fine-tuning clamp with self-locking anti-looseness worm |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676139A (en) * | 2019-03-06 | 2019-04-26 | 河海大学常州校区 | A kind of power device nanoparticles sinter packaging fixture |
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Application publication date: 20140416 |