CN104511768A - Screw lever type clamping mechanism - Google Patents
Screw lever type clamping mechanism Download PDFInfo
- Publication number
- CN104511768A CN104511768A CN201410762640.6A CN201410762640A CN104511768A CN 104511768 A CN104511768 A CN 104511768A CN 201410762640 A CN201410762640 A CN 201410762640A CN 104511768 A CN104511768 A CN 104511768A
- Authority
- CN
- China
- Prior art keywords
- connecting elements
- lever
- slide rail
- screw
- calotte
- 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
Links
- 210000000078 claw Anatomy 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B23Q3/066—Bench vices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/06—Arrangements for positively actuating jaws
- B25B5/12—Arrangements for positively actuating jaws using toggle links
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses a screw lever type clamping mechanism which comprises a supporting table, a locking part and a driving part. The supporting table is of an isosceles trapezoid structure, a connecting plate and a supporting plate are arranged on one side face of the supporting table, and a slide rail is arranged in the supporting table. The driving part comprises a screw, a nut, a cap-shaped object, a first lever, a first pin, a first connecting member, a spring and second connecting members, wherein the screw is connected to the supporting plate through threads, the nut and the cap-shaped object are connected to the screw, the cap-shaped object is arranged above the nut, the first lever is connected to the connecting plate through the first pin, one end of the first lever abuts against the cap-shaped object, the other end of the first lever abuts against the first connecting member, the first connecting member is in sliding connection with the slide rail, the left end and the right end of the first connecting member are respectively connected two second connecting members through pins, and the spring is connected between the first connecting member and the slide rail. The locking part comprises a clamping claw provided with a limiting groove, wherein the clamping claw is connected with the second connecting members through pins. The screw lever type clamping mechanism is firm in structure and adjustable in locking pressure.
Description
Technical field
The present invention relates to the clamp system for clamping work pieces, be specifically related to screw lever type clamping mechanism.
Background technology
Clamp system mainly comprises screw clamping mechanism, pressure plate clamping mechanism, centering and clamping mechanism, hinge clamping mechanism, lever clamp mechanism, processes, usually need to design some clamp systems in industrial production in order to fixation workpiece to carry out processing to workpiece.Conventional clamp system, comprises brace table, locking member and drives the actuator of this locking member.Workpiece to be held on this brace table thus to be fixed by workpiece by locking member under the driving of driving mechanism.But, clamp system is not provided with the mechanism of similar locking-adjustable pressure, in the process of locking, there will be locking pressure unavoidably excessive, and the situation making workpiece impaired, cause some frangible work piece production rates of easily ruining low.
Summary of the invention
In order to overcome the said goods produced problem, the invention provides the screw lever type clamping mechanism of a kind of sound construction and locking pressure adjustable.
The technical scheme adopted to realize object of the present invention is: a kind of screw lever type clamping mechanism, comprise brace table, be connected to locking member on brace table and actuator, described brace table is isosceles trapezoidal structure, one side of brace table is provided with connecting plate perpendicular to the ground and gripper shoe parallel to the ground, be provided with slide rail in brace table, described slide rail is the vertical groove in inverted L-shaped shape; Described actuator comprises screw, nut, calotte, the first lever, the first bearing pin, the first connecting elements, spring and the second connecting elements, described screw thread connects on the supporting plate, attaching nut and calotte on screw, calotte is located at above nut, and the first lever passes through the first pinned connection on connecting plate.One end and the calotte of the first lever push against, and the other end and the first connecting elements push against.First connecting elements is slidably connected by slide rail and brace table, and the first two ends, connecting elements left and right are respectively by pinned connection two the second connecting elements, and spring is connected between the first connecting elements and slide rail.Described locking member comprises two jaws, and jaw is provided with stopper slot, and jaw and the second connecting elements pass through pinned connection.
The top of indication slide rail refers to one end that slide rail distance ground is far away herein, and the bottom of slide rail refers to one end that distance ground is nearer.
Operation principle of the present invention: during use, nut is upwards twisted around screw, calotte on nut and then moves upward, the first lever upwardly pushed against with it, and the first lever is subject to the power upwards that calotte gives, move upward with one end pushed against of calotte, first lever rotates around the first bearing pin, and one end that the first lever and the first connecting elements push against moves downward, and is pressed on the first connecting elements, first connecting elements is moved downward along slide rail, and Compress Spring.Second connecting elements is connected with the first connecting elements and jaw by bearing pin.When turning nut and moving upward, the vertical downward movement of the first connecting elements passes on jaw by the second connecting elements, jaw clamping work pieces.When turning nut downwards, calotte on nut and then moves downward, the one end of the first lever pushed against with calotte falls back to by the effect of self gravitation the position again offseted with calotte downwards, first lever rotates around the first bearing pin, one end that first lever and the first connecting elements push against moves upward, the pressure of release to the first connecting elements, make the first connecting elements along slide rail upward vertical movement under the elastic force effect of spring, spring recovers original form gradually.The motion of the first connecting elements is passed on jaw by the second connecting elements, makes jaw return original position gradually.
Compared with prior art, beneficial effect of the present invention: 1. directly control the pressure size of the first lever to the first connecting elements by moving up and down of adjusting nut, and then by the second connecting elements control jaw locking workpiece time dynamics size, locking pressure size is adjustable, the locking clamping of the convenient workpiece little to some holding capacity.2. brace table described in is isosceles trapezoidal structure, first two ends, connecting elements left and right is respectively by pinned connection two the second connecting elements, jaw and the second connecting elements are by pinned connection, and sound construction is stablized, and facilitates screw lever type clamping mechanism to be steadily placed in horizontal table top.3. be provided with slide rail in brace table, described slide rail is the vertical groove in inverted L-shaped shape, ensure that the first connecting elements of moving along slide rail and spring do and moves both vertically up and down, avoid energy dissipation.4. jaw is provided with stopper slot, the convenient clamping position to workpiece.
Further, described first connecting elements comprises cylindrical central shaft and the centrally axle sleeve that slides up and down of axle, the top of central shaft is fixedly connected with the top of slide rail, the bottom of central shaft is fixedly connected with the bottom of slide rail through spring, ensure that the first connecting elements and spring move up and down in horizontal plane along slide rail and central axis, avoid the waste of energy.
Further, one end that described first lever and calotte push against is provided with groove, groove shapes and calotte match, the other end of the first lever is provided with the compactor for compressing axle sleeve, compactor takes the shape of the letter U structure, the central shaft that compactor is socketed in the first connecting elements pushes against with axle sleeve, is connected firmly, not easily slippage.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the sectional view of the embodiment of the present invention along I-I line.
Reference numeral in Figure of description is: brace table 1, jaw 2, spring 3, screw 4, first lever 5, first connecting elements 6, second connecting elements 7, slide rail 8, connecting plate 9, gripper shoe 10, workpiece 11, first bearing pin B, nut a, calotte b.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described, but not as a limitation of the invention.
As shown in Figure 1, a kind of screw lever type clamping mechanism, comprise brace table 1, be connected to locking member on brace table 1 and actuator, described brace table 1 is isosceles trapezoid body, as shown in Figure 2, one side of brace table 1 is welded with connecting plate 9 perpendicular to the ground and gripper shoe 10 parallel to the ground, has slide rail 8 in brace table 1, described slide rail 8 is the vertical groove in inverted L-shaped shape.
Described actuator comprises screw 4, nut a, calotte b, the first lever 5, first bearing pin B, the first connecting elements 6, spring 3 and the second connecting elements 7, described screw 4 is threaded in gripper shoe 10, attaching nut a and calotte b on screw 4, calotte b is located at above nut a.First connecting elements 6 comprises cylindrical central shaft and the centrally axle sleeve that slides up and down of axle, the top of central shaft is welded with the top of slide rail 8, the bottom of central shaft is welded with the bottom of slide rail 8 through spring 3, the axle sleeve of the first connecting elements 6 is slidably connected by slide rail 8 and brace table 1, the two ends, left and right of axle sleeve are respectively by hinge two the second connecting elements 7, the upper end of the lower end welding spring 3 of axle sleeve, the lower end of spring 3 is welded with the bottom of slide rail 8.First lever 5 is hinged on connecting plate 9 by the first bearing pin B, first lever 5 rotates around the first bearing pin B, by the effect of self gravitation, left end and the calotte b of the first lever 5 push against, the left end of the first lever 5 is provided with groove, and groove shapes and calotte b match, and the right-hand member of the first lever 5 is provided with the compactor for compressing axle sleeve, compactor takes the shape of the letter U structure, and the central shaft being socketed in the first connecting elements 6 pushes against with axle sleeve.Described locking member comprises two jaws 2, and jaw 2 is provided with stopper slot, and jaw 2 and the second connecting elements 7 pass through hinge.
During use, nut a is upwards turned around screw 4, calotte b on nut a and then moves upward, and the left end of upwardly the first lever 5, first lever 5 just turns clockwise around the first bearing pin B, and the compactor of the first lever 5 right-hand member just moves downward, and to the axle sleeve pressed down on the first connecting elements 6, make axle sleeve along the direction vertical downward movement of central shaft and slide rail 8, and Compress Spring 3.Second connecting elements 7 and the first connecting elements 6 and jaw 2 are respectively by hinge.When turning nut a and moving upward, the vertical downward movement of the first connecting elements 6 passes on jaw 2 by the second connecting elements 7, jaw 2 clamping work pieces 11.When turning nut a downwards, calotte b on nut a and then moves downward, the left end of the first lever 5 falls back to the position again offseted with calotte b downwards by the effect of self gravitation, first lever 5 rotates counterclockwise around the first bearing pin B, the compactor of the first lever 5 right-hand member moves upward, the pressure of release to the first connecting elements 6, the axle sleeve of the first connecting elements 6 is moved upward along slide rail 8 and central axis under the elastic force effect of spring 3, and spring 3 recovers original form gradually.The motion of the first connecting elements 6 is passed on jaw 2 by the second connecting elements 7, makes jaw 2 return original position gradually.
Above-described embodiment, just the present invention's more preferably detailed description of the invention, the usual change that those skilled in the art carries out within the scope of technical solution of the present invention and replacement all should be included in protection scope of the present invention.
Claims (3)
1. a screw lever type clamping mechanism, comprise brace table, be connected to locking member on brace table and actuator, it is characterized in that, described brace table is isosceles trapezoidal structure, one side of brace table is provided with connecting plate perpendicular to the ground and gripper shoe parallel to the ground, be provided with slide rail in brace table, described slide rail is the vertical groove in inverted L-shaped shape;
Described actuator comprises screw, nut, calotte, first lever, first bearing pin, first connecting elements, spring and the second connecting elements, described screw thread connects on the supporting plate, attaching nut and calotte on screw, calotte is located at above nut, first lever passes through the first pinned connection on connecting plate, one end and the calotte of the first lever push against, the other end and the first connecting elements push against, first connecting elements is slidably connected by slide rail and brace table, first two ends, connecting elements left and right is respectively by pinned connection two the second connecting elements, spring is connected between the first connecting elements and slide rail, described locking member comprises two jaws, and jaw is provided with stopper slot, and jaw and the second connecting elements pass through pinned connection.
2. a kind of screw lever type clamping mechanism according to claim 1, it is characterized in that, described first connecting elements comprises cylindrical central shaft and the centrally axle sleeve that slides up and down of axle, the top of central shaft is fixedly connected with the top of slide rail, and the bottom of central shaft is fixedly connected with the bottom of slide rail through spring.
3. a kind of screw lever type clamping mechanism according to claim 1 and 2, it is characterized in that, one end that described first lever and calotte push against is provided with groove, and groove shapes and calotte match, the other end of the first lever is provided with the compactor for compressing axle sleeve, and compactor takes the shape of the letter U structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410762640.6A CN104511768A (en) | 2014-12-11 | 2014-12-11 | Screw lever type clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410762640.6A CN104511768A (en) | 2014-12-11 | 2014-12-11 | Screw lever type clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104511768A true CN104511768A (en) | 2015-04-15 |
Family
ID=52787952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410762640.6A Pending CN104511768A (en) | 2014-12-11 | 2014-12-11 | Screw lever type clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104511768A (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598309A (en) * | 2015-12-31 | 2016-05-25 | 重庆明高机械制造有限公司 | Positioning block height adjustment device for rear shock absorber sealing tooling |
| CN105710679A (en) * | 2016-04-20 | 2016-06-29 | 吴岳泽 | Mounting and locating device facilitating mounting and used for workpiece |
| CN105710678A (en) * | 2016-04-20 | 2016-06-29 | 吴岳泽 | Workpiece mounting and locating device provided with LED indication lamp and facilitating mounting |
| CN106141734A (en) * | 2016-08-04 | 2016-11-23 | 上海理工大学 | A kind of Novel clamping device of thin-walled parts |
| CN107588934A (en) * | 2017-07-19 | 2018-01-16 | 重庆市翔聪机械制造有限公司 | A kind of flywheel sampling observation frock for being adapted to production line |
| CN108326596A (en) * | 2018-04-24 | 2018-07-27 | 爱发科东方真空(成都)有限公司 | Workpiece positioning clamp |
| CN108326324A (en) * | 2018-04-24 | 2018-07-27 | 佛山市南海肯博五金制造有限公司 | A kind of the blank feeding equipment and its application method of numerically controlled lathe |
| CN108746872A (en) * | 2018-06-11 | 2018-11-06 | 边会婷 | A kind of mechanical processing deburring clamping device |
| CN108747158A (en) * | 2018-07-19 | 2018-11-06 | 杭州恒立制造科技有限公司 | Novel elliptical tube welder |
| CN108942163A (en) * | 2018-08-02 | 2018-12-07 | 安徽江淮汽车集团股份有限公司 | A kind of vehicle bridge front axle automatic compacting device |
| CN109014316A (en) * | 2018-08-30 | 2018-12-18 | 安徽京冠派克流体科技有限公司 | Drilling device is used in a kind of processing of cleaning pipette tips metal fittings |
| CN109702623A (en) * | 2018-12-19 | 2019-05-03 | 南京工程学院 | A kind of self-locking clamping head device of Buddha's warrior attendant wire cutting machine |
| CN110014315A (en) * | 2019-05-16 | 2019-07-16 | 徐旭东 | A kind of self-centering self-locking jig of gravity |
| CN111485728A (en) * | 2020-04-28 | 2020-08-04 | 山东天智信息科技有限公司 | Installation of super-huge steel construction stand is smoothed and is put |
| CN111496659A (en) * | 2020-04-13 | 2020-08-07 | 何满云 | Fixing device for polishing end face of solid wood stool |
| CN112139545A (en) * | 2020-09-17 | 2020-12-29 | 朱安学 | Continuous production panel beating system of processing |
| CN114523250A (en) * | 2022-01-25 | 2022-05-24 | 浙矿重工股份有限公司 | Double-station self-locking clamping device |
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| CN101293323A (en) * | 2007-04-29 | 2008-10-29 | 上海诺玛液压系统有限公司 | Machine work clamping apparatus for processing holes of acceptor in electrohydraulic servo valve |
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| CN103481081A (en) * | 2013-08-30 | 2014-01-01 | 天津市宝涞精密机械有限公司 | Clamping equipment special for three-station turning of arc groove |
| CN104043994A (en) * | 2014-06-20 | 2014-09-17 | 蒋彩英 | Clamp used for machining |
| CN204353810U (en) * | 2014-12-11 | 2015-05-27 | 重庆市西华机械制造有限公司 | Screw lever type clamping mechanism |
-
2014
- 2014-12-11 CN CN201410762640.6A patent/CN104511768A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171319A (en) * | 1996-04-04 | 1998-01-28 | 朴胜夫 | Clamping device of machine tool |
| CN101293323A (en) * | 2007-04-29 | 2008-10-29 | 上海诺玛液压系统有限公司 | Machine work clamping apparatus for processing holes of acceptor in electrohydraulic servo valve |
| CN201070717Y (en) * | 2007-06-25 | 2008-06-11 | 哈尔滨汽轮机厂有限责任公司 | Cramping arrangement for turning cylinder bore of machine group with less than 200,000 kilowatts |
| JP2009142910A (en) * | 2007-12-11 | 2009-07-02 | Parts Seiko:Kk | Clamp lever |
| CN101303034A (en) * | 2008-06-12 | 2008-11-12 | 宁波丰州机械有限公司 | Lever cylinder for fixture |
| CN102259272A (en) * | 2010-05-26 | 2011-11-30 | 王保瑞 | Device for powerfully clamping machine tool |
| CN103056407A (en) * | 2012-12-11 | 2013-04-24 | 重庆信奇建材机械制造有限公司 | Wedge mechanism of hydraulic type automatic aligning chuck |
| CN103481081A (en) * | 2013-08-30 | 2014-01-01 | 天津市宝涞精密机械有限公司 | Clamping equipment special for three-station turning of arc groove |
| CN104043994A (en) * | 2014-06-20 | 2014-09-17 | 蒋彩英 | Clamp used for machining |
| CN204353810U (en) * | 2014-12-11 | 2015-05-27 | 重庆市西华机械制造有限公司 | Screw lever type clamping mechanism |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598309A (en) * | 2015-12-31 | 2016-05-25 | 重庆明高机械制造有限公司 | Positioning block height adjustment device for rear shock absorber sealing tooling |
| CN105710679A (en) * | 2016-04-20 | 2016-06-29 | 吴岳泽 | Mounting and locating device facilitating mounting and used for workpiece |
| CN105710678A (en) * | 2016-04-20 | 2016-06-29 | 吴岳泽 | Workpiece mounting and locating device provided with LED indication lamp and facilitating mounting |
| CN106141734A (en) * | 2016-08-04 | 2016-11-23 | 上海理工大学 | A kind of Novel clamping device of thin-walled parts |
| CN106141734B (en) * | 2016-08-04 | 2018-04-20 | 上海理工大学 | A kind of novel clamping device of thin-walled parts |
| CN107588934A (en) * | 2017-07-19 | 2018-01-16 | 重庆市翔聪机械制造有限公司 | A kind of flywheel sampling observation frock for being adapted to production line |
| CN108326596A (en) * | 2018-04-24 | 2018-07-27 | 爱发科东方真空(成都)有限公司 | Workpiece positioning clamp |
| CN108326324A (en) * | 2018-04-24 | 2018-07-27 | 佛山市南海肯博五金制造有限公司 | A kind of the blank feeding equipment and its application method of numerically controlled lathe |
| CN108746872A (en) * | 2018-06-11 | 2018-11-06 | 边会婷 | A kind of mechanical processing deburring clamping device |
| CN108747158A (en) * | 2018-07-19 | 2018-11-06 | 杭州恒立制造科技有限公司 | Novel elliptical tube welder |
| CN108942163A (en) * | 2018-08-02 | 2018-12-07 | 安徽江淮汽车集团股份有限公司 | A kind of vehicle bridge front axle automatic compacting device |
| CN108942163B (en) * | 2018-08-02 | 2019-08-06 | 安徽江淮汽车集团股份有限公司 | A kind of vehicle bridge front axle automatic compacting device |
| CN109014316A (en) * | 2018-08-30 | 2018-12-18 | 安徽京冠派克流体科技有限公司 | Drilling device is used in a kind of processing of cleaning pipette tips metal fittings |
| CN109702623A (en) * | 2018-12-19 | 2019-05-03 | 南京工程学院 | A kind of self-locking clamping head device of Buddha's warrior attendant wire cutting machine |
| CN110014315A (en) * | 2019-05-16 | 2019-07-16 | 徐旭东 | A kind of self-centering self-locking jig of gravity |
| CN111496659A (en) * | 2020-04-13 | 2020-08-07 | 何满云 | Fixing device for polishing end face of solid wood stool |
| CN111496659B (en) * | 2020-04-13 | 2021-12-21 | 何满云 | Fixing device for polishing end face of solid wood stool |
| CN111485728A (en) * | 2020-04-28 | 2020-08-04 | 山东天智信息科技有限公司 | Installation of super-huge steel construction stand is smoothed and is put |
| CN112139545A (en) * | 2020-09-17 | 2020-12-29 | 朱安学 | Continuous production panel beating system of processing |
| CN114523250A (en) * | 2022-01-25 | 2022-05-24 | 浙矿重工股份有限公司 | Double-station self-locking clamping device |
| CN114523250B (en) * | 2022-01-25 | 2023-06-02 | 浙矿重工股份有限公司 | Double-station self-locking clamp |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150415 |
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| WD01 | Invention patent application deemed withdrawn after publication |