CN212311446U

CN212311446U - Anti-deformation clamp for workpiece machining

Info

Publication number: CN212311446U
Application number: CN202020518782.9U
Authority: CN
Inventors: 张家勇; 侯磊; 郭川菊
Original assignee: Hefei Renda Technology Co ltd
Current assignee: Hefei Renda Technology Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-01-08
Anticipated expiration: 2030-04-09

Abstract

The utility model provides a clamp for processing an anti-deformation workpiece, which comprises a workbench, a fixed end and a movable end, wherein the movable end is provided with a chute, a slide block which is connected with the chute in a sliding way is arranged inside the chute, a movable plate is arranged on one side of the chute, which is far away from the fixed end, a spring is arranged between the slide block and the movable plate, and the movable plate is connected with the chute in a sliding way; a first clamping part is arranged on one side, close to the fixed end, of the sliding block, and a second clamping part matched with the first clamping part is arranged on the fixed end; the utility model has the advantages that: the position of the movable plate is changed, the spring is compressed, the sliding block is stressed, the clamping force of the first clamping part for clamping the workpiece is equal to the elastic force of the spring, the position of the movable plate is variable, namely the deformation amount of the spring is variable, namely the elastic force of the spring is variable, namely the clamping force of the first clamping part for clamping the workpiece is variable, and the clamping force with different sizes can be realized by changing the position of the movable plate according to the requirements of different workpieces on the clamping force.

Description

Anti-deformation clamp for workpiece machining

Technical Field

The utility model relates to a work piece processing frock technical field especially relates to an it uses anchor clamps to preapring for an unfavorable turn of events shape work piece processing.

Background

In the process of machining workpieces, the surface hardness of some workpieces is low, or the workpieces are hollow, when the workpieces are clamped, if the clamping force is too large, the workpieces are easy to deform, and the problem that needs to be solved at present when the clamping force is changed for the workpieces requiring different clamping forces is solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, provide a shape work piece processing anchor clamps of preapring for an unfavorable turn of events.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

a clamp for machining an anti-deformation workpiece comprises a workbench, a fixed end and a movable end, wherein the movable end is provided with a chute, a sliding block connected with the chute in a sliding manner is arranged in the chute, a movable plate is arranged on one side, away from the fixed end, of the chute, a spring is arranged between the sliding block and the movable plate, and the movable plate is connected with the chute in a sliding manner; the slider is close to stiff end one side and is provided with first clamping part, the stiff end is provided with the second clamping part that uses with first clamping part cooperation.

As the improvement of the technical scheme, one side, away from the spring, of the movable plate is provided with a rotating rod, one side, away from the fixed end, of the sliding groove is provided with a limiting plate, a through hole is formed in the limiting plate, one end, away from the movable plate, of the rotating rod penetrates through the through hole, threads are arranged on the inner side of the through hole, and the rotating rod is meshed with the through hole through threads.

As an improvement of the technical scheme, the moving plate and the rotating rod are rotatably connected.

As the improvement of the technical scheme, one end, far away from the moving plate, of the rotating rod is provided with the operating rod, and the operating rod is fixedly connected with the rotating rod.

As an improvement of the technical scheme, a first rubber pad is arranged on the first clamping part and detachably connected with the first clamping part; and a second rubber pad is arranged on the second clamping part and detachably connected with the second clamping part.

As an improvement of the above technical solution, a cross-sectional area of the first clamping portion is larger than a cross-sectional area of the chute.

The utility model has the advantages that: the spring is compressed by changing the position of the moving plate, so that the slider is stressed, according to the principle that the action of force is mutual, the clamping force of the first clamping part for clamping the workpiece is equal to the elastic force of the spring, the position of the moving plate is variable, namely the deformation quantity of the spring is variable, namely the elastic force of the spring is variable, namely the clamping force of the first clamping part for clamping the workpiece is variable, and according to the requirements of different workpieces on the clamping force, the clamping force with different sizes can be realized by changing the position of the moving plate.

Drawings

Fig. 1 is a schematic structural view of a fixture for machining an anti-deformation workpiece according to an embodiment of the present invention;

the working table 10, the fixed end 20, the second clamping portion 21, the second rubber pad 211, the moving end 30, the sliding groove 31, the sliding block 32, the moving plate 33, the spring 34, the first clamping portion 35, the first rubber pad 351, the rotating rod 36, the limiting plate 37 and the operating rod 38.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

As shown in fig. 1, the clamp for processing an anti-deformation workpiece in this embodiment includes a worktable 10, a fixed end 20, and a moving end 30, wherein the moving end 30 is provided with a sliding groove 31, a sliding block 32 slidably connected to the sliding groove 31 is disposed inside the sliding groove 31, a moving plate 33 is disposed on a side of the sliding groove 31 away from the fixed end 20, a spring 34 is disposed between the sliding block 32 and the moving plate 33, and the moving plate 33 is slidably connected to the sliding groove 31; the slider is provided with first clamping part 35 near stiff end 20 one side, stiff end 20 is provided with the second clamping part 21 that uses with first clamping part 35 cooperation.

Be provided with stiff end 20 and removal end 30 on the workstation 10, stiff end 20 and workstation 10's position relatively fixed, it is portable to remove the position between end 30 and the workstation 10, the mobile mode can adopt general lathe anchor clamps to remove the end mobile mode, also can adopt ball screw mode to remove, it is fixed with nut and removal end 30, rotate the screw rod and be connected with workstation 10, thereby it moves along the screw rod direction to make the screw rod rotate to drive the nut through manual or motor drive, realize removing end 30 and remove on workstation 10, and adopt ball screw more general mobile mode precision higher.

Moving the movable end 30 away from the fixed end 20, placing a workpiece to be processed between the first clamping part 35 and the second clamping part 21, moving the movable end 30 towards the fixed end 20, clamping the workpiece, and keeping the workpiece in an unstressed state; the position of the moving plate 33 is changed, the spring 34 is compressed, and therefore the slider 32 is stressed, according to the principle that the force action is mutual, the clamping force of the first clamping part 35 for clamping the workpiece is equal to the elastic force of the spring 34, the position of the moving plate 33 is variable, namely the deformation quantity of the spring 34 is variable, namely the elastic force of the spring 34 is variable, namely the clamping force of the first clamping part 35 for clamping the workpiece is variable, and the clamping force with different sizes can be realized by changing the position of the moving plate 33 according to the requirements of different workpieces on the clamping force.

The movable plate 33 is provided with dwang 36 far away from spring 34 one side, spout 31 is provided with limiting plate 37 far away from stiff end 20 one side, be provided with the through-hole on the limiting plate 37, the through-hole is passed to movable plate 33 one end far away from dwang 36, the through-hole inboard is provided with the screw thread, dwang 36 passes through threaded engagement with the through-hole.

The rotating rod 36 is rotated, and under the action of the threads, the rotating rod 36 moves axially, so that the moving plate 33 moves in the sliding groove 31, and the deformation of the spring 34 is realized; meanwhile, the deformation amount of the spring 34 is measured according to the length of the rotating rod 36 extending out of the limiting plate 37, so that the deformation amount of the spring 34 can be accurately adjusted.

The moving plate 33 is rotatably connected with the rotating rod 36; the rotating rod 36 does not rotate the moving plate 33, so that the moving plate 33 does not rotate along with the moving plate, and the spring 34 is prevented from rotating along with the moving plate 33, and the spring 34 is prevented from being damaged.

An operating rod 38 is arranged at one end of the rotating rod 36, which is far away from the moving plate 33, and the operating rod 38 is fixedly connected with the rotating rod 36; it is convenient to operate the rotating lever 36 to rotate it.

The first clamping part 35 is provided with a first rubber pad 351, and the first rubber pad 351 is detachably connected with the first clamping part 35; the second clamping part 21 is provided with a second rubber pad 211, and the second rubber pad 211 is detachably connected with the second clamping part 21.

The arrangement of the first rubber pad 351 and the second rubber pad 211 can enable the workpiece to be stressed uniformly, and meanwhile, the surface of the workpiece is prevented from being abraded; first rubber pad 351 and second rubber pad 211 set up to detachable connection and make first rubber pad 351 and second rubber pad 211 change, and first rubber pad 351 and second rubber pad 211 set up to shapes such as plane, concave surface type, convex surface type to the work piece of adaptation different shapes, make work piece surface atress more even.

The cross-sectional area of the first clamping portion 35 is larger than that of the chute 31; so that the first clamping portion 35 does not slide into the slide groove 31.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a preapring for an unfavorable turn of events shape anchor clamps for work piece processing which characterized in that: the movable type workbench comprises a workbench (10), a fixed end (20) and a movable end (30), wherein the movable end (30) is provided with a sliding groove (31), a sliding block (32) in sliding connection with the sliding groove (31) is arranged in the sliding groove (31), a movable plate (33) is arranged on one side, away from the fixed end (20), of the sliding groove (31), a spring (34) is arranged between the sliding block (32) and the movable plate (33), and the movable plate (33) is in sliding connection with the sliding groove (31); the slider is close to stiff end (20) one side and is provided with first clamping part (35), stiff end (20) are provided with second clamping part (21) with first clamping part (35) cooperation use.

2. The fixture for deformation-preventing workpiece machining according to claim 1, characterized in that: spring (34) one side is kept away from in movable plate (33) is provided with dwang (36), stiff end (20) one side is kept away from in spout (31) is provided with limiting plate (37), be provided with the through-hole on limiting plate (37), movable plate (33) one end is kept away from in dwang (36) passes the through-hole, the through-hole inboard is provided with the screw thread, dwang (36) pass through thread engagement with the through-hole.

3. The clamp for preventing the deformation of the workpiece used for machining according to claim 2, is characterized in that: the moving plate (33) is rotatably connected with the rotating rod (36).

4. The clamp for deformation-preventing workpiece machining according to claim 3, characterized in that: and one end of the rotating rod (36), which is far away from the moving plate (33), is provided with an operating rod (38), and the operating rod (38) is fixedly connected with the rotating rod (36).

5. The jig for deformation-preventing workpiece machining according to any one of claims 1 to 4, characterized in that: the first clamping part (35) is provided with a first rubber pad (351), and the first rubber pad (351) is detachably connected with the first clamping part (35); the second clamping part (21) is provided with a second rubber pad (211), and the second rubber pad (211) is detachably connected with the second clamping part (21).

6. The clamp for preventing the deformation of the workpiece used for machining according to claim 5, is characterized in that: the cross-sectional area of the first clamping portion (35) is larger than that of the sliding groove (31).