CN103737390A - Pressure-detectable worm self-locking looseness-prevention fine adjustment fixture - Google Patents
Pressure-detectable worm self-locking looseness-prevention fine adjustment fixture Download PDFInfo
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- CN103737390A CN103737390A CN201310683461.9A CN201310683461A CN103737390A CN 103737390 A CN103737390 A CN 103737390A CN 201310683461 A CN201310683461 A CN 201310683461A CN 103737390 A CN103737390 A CN 103737390A
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- Prior art keywords
- worm
- fixed block
- fine adjustment
- screw
- screw rod
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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)
- Gear Transmission (AREA)
Abstract
The invention discloses a pressure-detectable worm self-locking looseness-prevention fine adjustment fixture, and belongs to the field of fixtures. The pressure-detectable worm self-locking looseness-prevention fine adjustment 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 looseness-prevention devices, a worm gear, a worm and sensors. The fixture base is provided with a dovetail groove, and the left fixing block and the right fixing block are arranged at the two ends of the dovetail groove respectively. Threads are arranged at the two ends of the fine adjustment screw, one end of the fine adjustment screw is assembled in a thread 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 the same in rotation direction, the worm self-locking looseness-prevention devices are arranged both on the large screw and the fine adjustment screw, and the sensors are arranged both on the left clamping block and the right clamping block. The pressure-detectable worm self-locking looseness-prevention fine adjustment fixture solves the problems that in an existing fixture, fine adjustment is uneasy, locating precision is low, looseness is prone to occurring and clamping force is uneasy to control 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 pressure measurable 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 measurable 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 measurable 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, sensor, 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 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 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, on described left clamp and right clamp, be equipped with sensor.
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 sensor is pressure sensor.
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 pressure sensor on clamp, 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; Pressure during simultaneously Workpiece clamping for unlike material and size 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;
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-sensor.
The specific embodiment
Below in conjunction with accompanying drawing, describe the present invention.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pressure measurable 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, sensor 12, 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 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 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, on described left clamp 4 and right clamp 5, be equipped with sensor 12.
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 sensor 12 is pressure sensor.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pressure measurable 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, sensor 12, 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 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 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, on described left clamp 4 and right clamp 5, be equipped with sensor 12.
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 sensor 12 is pressure sensor.
embodiment 2
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pressure measurable 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, sensor 12, 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 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 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, on described left clamp 4 and right clamp 5, be equipped with sensor 12.
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 sensor 12 is pressure sensor.
Claims (3)
1. a pressure measurable 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), sensor (12), 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 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 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), on described left clamp (4) and right clamp (5), be equipped with sensor (12).
2. pressure measurable 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 measurable type worm screw automatic locking anti-loosing fine tuning fixture according to claim 1, is characterized in that, described sensor (12) is pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683461.9A CN103737390A (en) | 2013-12-16 | 2013-12-16 | Pressure-detectable worm self-locking looseness-prevention fine adjustment fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683461.9A CN103737390A (en) | 2013-12-16 | 2013-12-16 | Pressure-detectable worm self-locking looseness-prevention fine adjustment fixture |
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| Publication Number | Publication Date |
|---|---|
| CN103737390A true CN103737390A (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310683461.9A Pending CN103737390A (en) | 2013-12-16 | 2013-12-16 | Pressure-detectable worm self-locking looseness-prevention fine adjustment fixture |
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| Country | Link |
|---|---|
| CN (1) | CN103737390A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177133A (en) * | 2017-12-27 | 2018-06-19 | 重庆精高金属结构制造有限公司 | A kind of automatically controlled intermetallic composite coating fixing device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3309513A1 (en) * | 1982-03-18 | 1983-10-27 | Giovanni Treviso Gastaldo | Vice |
| CN201070719Y (en) * | 2007-06-29 | 2008-06-11 | 齐齐哈尔轨道交通装备有限责任公司 | Clamping apparatus |
| 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 |
| CN103406779A (en) * | 2013-08-21 | 2013-11-27 | 芜湖奕辰模具科技有限公司 | Dual-stationary fixture for milling machine square work |
| CN103406787A (en) * | 2013-08-21 | 2013-11-27 | 芜湖奕辰模具科技有限公司 | L-shaped composite clamp for milling machine |
| CN103419044A (en) * | 2013-08-21 | 2013-12-04 | 芜湖奕辰模具科技有限公司 | Square workpiece fixture of milling machine |
| CN103419048A (en) * | 2013-08-22 | 2013-12-04 | 芜湖奕辰模具科技有限公司 | Special composite fixture for clamping shaft collar |
| 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 |
| CN203726199U (en) * | 2013-12-16 | 2014-07-23 | 芜湖市天雄塑料科技有限公司 | Worm self-locking anti-loose type fine-adjustment fixture allowing pressure to be measurable |
-
2013
- 2013-12-16 CN CN201310683461.9A patent/CN103737390A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3309513A1 (en) * | 1982-03-18 | 1983-10-27 | Giovanni Treviso Gastaldo | Vice |
| CN201070719Y (en) * | 2007-06-29 | 2008-06-11 | 齐齐哈尔轨道交通装备有限责任公司 | Clamping apparatus |
| 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 |
| CN103406779A (en) * | 2013-08-21 | 2013-11-27 | 芜湖奕辰模具科技有限公司 | Dual-stationary fixture for milling machine square work |
| CN103406787A (en) * | 2013-08-21 | 2013-11-27 | 芜湖奕辰模具科技有限公司 | L-shaped composite clamp for milling machine |
| CN103419044A (en) * | 2013-08-21 | 2013-12-04 | 芜湖奕辰模具科技有限公司 | Square workpiece fixture of milling machine |
| CN103419048A (en) * | 2013-08-22 | 2013-12-04 | 芜湖奕辰模具科技有限公司 | Special composite fixture for clamping shaft collar |
| 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 |
| CN203726199U (en) * | 2013-12-16 | 2014-07-23 | 芜湖市天雄塑料科技有限公司 | Worm self-locking anti-loose type fine-adjustment fixture allowing pressure to be measurable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177133A (en) * | 2017-12-27 | 2018-06-19 | 重庆精高金属结构制造有限公司 | A kind of automatically controlled intermetallic composite coating fixing device |
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| PB01 | Publication | ||
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Application publication date: 20140423 |