CN103737387A - Pressure-measurable limiting anti-loosing type fine adjustment fixture - Google Patents
Pressure-measurable limiting anti-loosing type fine adjustment fixture Download PDFInfo
- Publication number
- CN103737387A CN103737387A CN201310681054.4A CN201310681054A CN103737387A CN 103737387 A CN103737387 A CN 103737387A CN 201310681054 A CN201310681054 A CN 201310681054A CN 103737387 A CN103737387 A CN 103737387A
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- China
- Prior art keywords
- screw rod
- fixed block
- fine adjustment
- lever
- clamp
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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)
Abstract
The invention discloses a pressure-measurable limiting anti-loosing type fine-adjustment fixture, and belongs to the field of fixtures. The pressure-measurable limiting anti-loosing type fine adjustment fixture comprises a fixture base, a left fixing block, a larger screw rod, a left clamping block, a right clamping block, a guide rod, a fine adjustment fixture, a right fixing block, limiting anti-loosing devices, and sensors. A dovetail groove is formed in the fixture base, and the left fixing block and the right fixing block are arranged at both ends of the dovetail. Threads are arranged at both ends of the fine adjustment screw rod, wherein the threads at one end of the fine adjustment screw rod is assembled in a thread hole of the guide rod, and the threads at the other end of the fine adjustment screw rod are meshed with threads of the right fixing block. The threads on both ends of the fine adjustment screw rod have the same rotation direction. The limiting anti-loosing devices are arranged on the fine adjustment screw rod and the larger screw rod respectively. The left clamping block and the right clamping block are provided with the sensors respectively. The pressure-measurable limiting anti-loosing type fine adjustment fixture solves the problems that in an existing fixture, fine adjustment is not easy, positioning accuracy is low, looseness is prone to occurring, and clamping force is not easy 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 restriction of the pressure measurable type for piece-holder anti-loosing type fine tuning fixture.
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 restriction anti-loosing type fine tuning fixture.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of pressure measurable type restriction anti-loosing type 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, restriction locking device, 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 fine setting screw rod and large screw rod, be provided with restriction locking device, on described left clamp and right clamp, be equipped with sensor.
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 sensor is pressure sensor, 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 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 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 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 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, 15-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 restriction anti-loosing type 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, restriction locking device 9, sensor 15, 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 fine setting screw rod 7 and large screw rod 3, be provided with restriction locking device 9, on described left clamp 4 and right clamp 5, be equipped with sensor 15.
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 sensor 15 is pressure sensor, and described spring 13 is extension spring.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pressure measurable type restriction anti-loosing type 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, restriction locking device 9, sensor 15, 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 fine setting screw rod 7 and large screw rod 3, be provided with restriction locking device 9, on described left clamp 4 and right clamp 5, be equipped with sensor 15.
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 sensor 15 is pressure sensor, and described spring 13 is extension spring, and its cross section is circular.
Claims (4)
1. a pressure measurable type limits anti-loosing type 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), restriction locking device (9), sensor (15), 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 identical, on described fine setting screw rod (7) and large screw rod (3), be provided with restriction locking device (9), on described left clamp (4) and right clamp (5), be equipped with sensor (15).
2. pressure measurable type according to claim 1 limits anti-loosing type fine tuning fixture, 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. pressure measurable type restriction anti-loosing type fine tuning fixture according to claim 1, is characterized in that, described sensor (15) is pressure sensor.
4. pressure measurable type restriction anti-loosing type fine tuning fixture according to claim 2, is characterized in that, described spring (13) is extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310681054.4A CN103737387A (en) | 2013-12-16 | 2013-12-16 | Pressure-measurable limiting anti-loosing type fine adjustment fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310681054.4A CN103737387A (en) | 2013-12-16 | 2013-12-16 | Pressure-measurable limiting anti-loosing type fine adjustment fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103737387A true CN103737387A (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310681054.4A Pending CN103737387A (en) | 2013-12-16 | 2013-12-16 | Pressure-measurable limiting anti-loosing type fine adjustment fixture |
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|---|---|
| CN (1) | CN103737387A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515367A (en) * | 2018-05-17 | 2018-09-11 | 句容新禾五金电器有限公司 | A kind of elastic buffer frock clamp |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040206524A1 (en) * | 2001-10-16 | 2004-10-21 | Rahm Erik Roland | Portable power tool with rotating output shaft and overload protection |
| CN201091993Y (en) * | 2007-10-23 | 2008-07-30 | 河北科技大学 | Rapidly indexing positioning locking index head |
| CN201625929U (en) * | 2009-12-24 | 2010-11-10 | 华西能源工业股份有限公司 | Flexible clamping device |
| CN202224962U (en) * | 2011-10-08 | 2012-05-23 | 河南森茂机械有限公司 | High precision fine tuning fixture |
| CN202804744U (en) * | 2012-07-03 | 2013-03-20 | 湖北三江航天险峰电子信息有限公司 | Flat pliers |
| 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 |
| CN203679845U (en) * | 2013-12-16 | 2014-07-02 | 芜湖市天雄塑料科技有限公司 | Pressure-measurable limitative loose-preventing fine adjustment clamp |
-
2013
- 2013-12-16 CN CN201310681054.4A patent/CN103737387A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040206524A1 (en) * | 2001-10-16 | 2004-10-21 | Rahm Erik Roland | Portable power tool with rotating output shaft and overload protection |
| CN201091993Y (en) * | 2007-10-23 | 2008-07-30 | 河北科技大学 | Rapidly indexing positioning locking index head |
| CN201625929U (en) * | 2009-12-24 | 2010-11-10 | 华西能源工业股份有限公司 | Flexible clamping device |
| CN202224962U (en) * | 2011-10-08 | 2012-05-23 | 河南森茂机械有限公司 | High precision fine tuning fixture |
| CN202804744U (en) * | 2012-07-03 | 2013-03-20 | 湖北三江航天险峰电子信息有限公司 | Flat pliers |
| 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 |
| CN203679845U (en) * | 2013-12-16 | 2014-07-02 | 芜湖市天雄塑料科技有限公司 | Pressure-measurable limitative loose-preventing fine adjustment clamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515367A (en) * | 2018-05-17 | 2018-09-11 | 句容新禾五金电器有限公司 | A kind of elastic buffer frock clamp |
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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 |