CN204353810U - Screw lever type clamping mechanism - Google Patents
Screw lever type clamping mechanism Download PDFInfo
- Publication number
- CN204353810U CN204353810U CN201420785775.XU CN201420785775U CN204353810U CN 204353810 U CN204353810 U CN 204353810U CN 201420785775 U CN201420785775 U CN 201420785775U CN 204353810 U CN204353810 U CN 204353810U
- Authority
- CN
- China
- Prior art keywords
- connecting elements
- lever
- calotte
- brace table
- slide rail
- 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.)
- Expired - Fee Related
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model discloses screw lever type clamping mechanism, comprise brace table, locking member and actuator, brace table is isosceles trapezoidal structure, and a side of brace table is provided with connecting plate and gripper shoe, is provided with slide rail in brace table, actuator comprises screw, nut, calotte, first lever, first bearing pin, first connecting elements, spring and the second connecting elements, 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 and brace table are slidably connected, its two ends, left and right are respectively by pinned connection two the second connecting elements, spring is connected between the first connecting elements and slide rail, locking member comprises the jaw being provided with stopper slot, and jaw and the second connecting elements pass through pinned connection.The utility model sound construction, locking pressure adjustable.
Description
Technical field
The utility model relates to the clamp system for clamping work pieces, is 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.
Utility model content
In order to overcome the said goods produced problem, the utility model provides the screw lever type clamping mechanism of a kind of sound construction and locking pressure adjustable.
The technical scheme adopted to realize the purpose of this utility model 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 utility model: 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, the beneficial effects of the utility model: 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 utility model is further described:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the sectional view of the utility model embodiment 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 utility model is further illustrated, but not as to restriction of the present utility model.
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 utility model more preferably detailed description of the invention, the usual change that those skilled in the art carries out within the scope of technical solutions of the utility model and replacement all should be included in protection domain of the present utility model.
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 |
|---|---|---|---|
| CN201420785775.XU CN204353810U (en) | 2014-12-11 | 2014-12-11 | Screw lever type clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785775.XU CN204353810U (en) | 2014-12-11 | 2014-12-11 | Screw lever type clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204353810U true CN204353810U (en) | 2015-05-27 |
Family
ID=53255306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420785775.XU Expired - Fee Related CN204353810U (en) | 2014-12-11 | 2014-12-11 | Screw lever type clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204353810U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104511768A (en) * | 2014-12-11 | 2015-04-15 | 重庆市西华机械制造有限公司 | Screw lever type clamping mechanism |
| CN105269457A (en) * | 2015-11-28 | 2016-01-27 | 渝北区千里马模具加工厂 | Device for processing and producing inlet valves |
| CN105436956A (en) * | 2015-12-25 | 2016-03-30 | 广东长盈精密技术有限公司 | Clamping device |
| CN105479206A (en) * | 2015-12-31 | 2016-04-13 | 广东长盈精密技术有限公司 | Clamp |
| CN110566548A (en) * | 2019-10-09 | 2019-12-13 | 江苏金鹤新材料有限公司 | Buckle is used in equipment of air conditioner air outlet blade dead lever |
-
2014
- 2014-12-11 CN CN201420785775.XU patent/CN204353810U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104511768A (en) * | 2014-12-11 | 2015-04-15 | 重庆市西华机械制造有限公司 | Screw lever type clamping mechanism |
| CN105269457A (en) * | 2015-11-28 | 2016-01-27 | 渝北区千里马模具加工厂 | Device for processing and producing inlet valves |
| CN105269457B (en) * | 2015-11-28 | 2017-09-15 | 渝北区千里马模具加工厂 | Inlet valve processing device |
| CN105436956A (en) * | 2015-12-25 | 2016-03-30 | 广东长盈精密技术有限公司 | Clamping device |
| CN105436956B (en) * | 2015-12-25 | 2017-08-11 | 广东长盈精密技术有限公司 | Clamping device |
| CN105479206A (en) * | 2015-12-31 | 2016-04-13 | 广东长盈精密技术有限公司 | Clamp |
| CN110566548A (en) * | 2019-10-09 | 2019-12-13 | 江苏金鹤新材料有限公司 | Buckle is used in equipment of air conditioner air outlet blade dead lever |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20151211 |
|
| EXPY | Termination of patent right or utility model |