CN103737349A - Pressure-measurable limiting anti-loosing type quick clamping fixture - Google Patents

Pressure-measurable limiting anti-loosing type quick clamping fixture Download PDF

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Publication number
CN103737349A
CN103737349A CN201310681053.XA CN201310681053A CN103737349A CN 103737349 A CN103737349 A CN 103737349A CN 201310681053 A CN201310681053 A CN 201310681053A CN 103737349 A CN103737349 A CN 103737349A
Authority
CN
China
Prior art keywords
screw rod
clamp
clamping
fixed block
lever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310681053.XA
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Chinese (zh)
Inventor
黄雄关
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu City Tian Xiong New Material Science And Technology Ltd
Original Assignee
Wuhu City Tian Xiong New Material Science And Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhu City Tian Xiong New Material Science And Technology Ltd filed Critical Wuhu City Tian Xiong New Material Science And Technology Ltd
Priority to CN201310681053.XA priority Critical patent/CN103737349A/en
Publication of CN103737349A publication Critical patent/CN103737349A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/002Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders
    • B23Q17/005Arrangements 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means

Abstract

The invention discloses a pressure-measurable limiting anti-loosing type quick clamping fixture, and belongs to the field of fixtures. The pressure-measurable limiting anti-loosing type quick clamping 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 screw rod, a right fixing block, limiting anti-loosing devices, and sensors. A dovetail groove is formed in the clamp base, and the left fixing block and the right fixing block are arranged at both ends of the dovetail groove. Threads are arranged at both ends of the fine adjustment screw rod respectively, 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 of both ends of the fine adjustment screw rod have opposite rotation directions. 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 quick clamping fixture solves the problems that in an existing fixture, clamping speed is slow, 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

Pressure measurable type restriction anti-loosing type fast-clamping clamp
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 fast-clamping clamp.
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, cause fixture to occur loosening, and then because piece-holder power causes the loosening of workpiece not, reduced machining accuracy, when serious, will cause workpiece to be thrown out of the generation of accident.Need to guarantee that fixture chucking power when Quick holding part easily controls simultaneously.
Summary of the invention
Slow, easy loosening, the uppity problem of chucking power of clamping speed causing for existing fixture, the invention provides a kind of pressure measurable type restriction anti-loosing type fast-clamping clamp.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of pressure measurable type 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, 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 contrary, 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 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 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 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, 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 contrary, 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.
embodiment 1
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, pressure measurable type 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, 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 contrary, 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 restriction 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), sensor (15), 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 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 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) composition, 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 fast-clamping clamp according to claim 1, is characterized in that, described sensor (15) is pressure sensor.
4. pressure measurable type restriction anti-loosing type fast-clamping clamp according to claim 2, is characterized in that, described spring (13) is extension spring.
CN201310681053.XA 2013-12-16 2013-12-16 Pressure-measurable limiting anti-loosing type quick clamping fixture Pending CN103737349A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310681053.XA CN103737349A (en) 2013-12-16 2013-12-16 Pressure-measurable limiting anti-loosing type quick clamping fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310681053.XA CN103737349A (en) 2013-12-16 2013-12-16 Pressure-measurable limiting anti-loosing type quick clamping fixture

Publications (1)

Publication Number Publication Date
CN103737349A true CN103737349A (en) 2014-04-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106825634A (en) * 2017-01-06 2017-06-13 长春理工大学 Miniature double-pole rip cutting high-speed turning follow-up supporting device based on force feedback

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055654A (en) * 1960-02-03 1962-09-25 Harrison Henry Screw clamp
FR1331361A (en) * 1962-02-23 1963-07-05 Improved clamping and feed device
CN102107363A (en) * 2009-12-25 2011-06-29 浙江艾默樱零部件有限公司 Automatic indexing circular milling flute fixture
CN202224962U (en) * 2011-10-08 2012-05-23 河南森茂机械有限公司 High precision fine tuning fixture
CN103419046A (en) * 2013-08-22 2013-12-04 芜湖奕辰模具科技有限公司 Pressure measurable type machine tool clamp
CN103419047A (en) * 2013-08-22 2013-12-04 芜湖奕辰模具科技有限公司 Compound clamping mechanism of machine tool
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
CN203679793U (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 quick clamp

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055654A (en) * 1960-02-03 1962-09-25 Harrison Henry Screw clamp
FR1331361A (en) * 1962-02-23 1963-07-05 Improved clamping and feed device
CN102107363A (en) * 2009-12-25 2011-06-29 浙江艾默樱零部件有限公司 Automatic indexing circular milling flute fixture
CN202224962U (en) * 2011-10-08 2012-05-23 河南森茂机械有限公司 High precision fine tuning fixture
CN103419046A (en) * 2013-08-22 2013-12-04 芜湖奕辰模具科技有限公司 Pressure measurable type machine tool clamp
CN103419047A (en) * 2013-08-22 2013-12-04 芜湖奕辰模具科技有限公司 Compound clamping mechanism of machine tool
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
CN203679793U (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 quick clamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106825634A (en) * 2017-01-06 2017-06-13 长春理工大学 Miniature double-pole rip cutting high-speed turning follow-up supporting device based on force feedback

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Application publication date: 20140423