CN106312616A

CN106312616A - Fixture

Info

Publication number: CN106312616A
Application number: CN201510341271.8A
Authority: CN
Inventors: 赵瑞芬
Original assignee: Zhangjiagang Pufeite Building Material Co Ltd
Current assignee: Zhangjiagang Pufeite Building Material Co Ltd
Priority date: 2015-06-18
Filing date: 2015-06-18
Publication date: 2017-01-11

Abstract

The invention provides a fixture for solving the problem of easiness in damage of workpieces in a clamping station by a fixture in the prior art. The fixture comprises a main body, a clamping block, a push rod and a fixed block, wherein the main body is provided with the clamping station, and a first through hole communicated with the clamping station; the clamping block can move along the first through hole; a flexible clamping layer is arranged at one end, towards the clamping station, of the clamping block; the push rod is fixedly connected with the clamping block; the clamping block can be driven to move along the first through hole by the push rod; the fixed block is connected with the main body, and is provided with a second through hole; and the push rod penetrates through the second through hole, and is matched with the clamping block.

Description

Fixture

Technical field

The present invention relates to Machining Technology field, particularly relate to a kind of fixture.

Background technology

In modern mechanical processing process, it is often necessary to use fixture that the workpiece in processing is locked. Common fixture generally uses the mode that knurly screw and grip block coordinate, by the gradually lock of knurly screw Tightly, the purpose of grip block clamping workpiece is reached.

But, the defect of this fixture is, is the most all rigidity owing to manufacturing the material of fixture, and When in the face of some more fragile workpieces to be processed, grip block is often owing to clamping tension is to clamping work Workpiece in Wei causes damage.

Therefore, it is badly in need of a kind of fixture, to solve the problems referred to above.

Summary of the invention

It is an object of the invention to provide a kind of fixture, be used for solving in prior art fixture easily to clamping The problem that workpiece in station causes damage.

For achieving the above object, the present invention provides a kind of fixture, including:

Body, described body offers holding station and the first through hole connected with described holding station；

The grip block that can move along described first through hole, described grip block sets towards one end of described holding station Being equipped with flexible clamping layer, the thickness of described flexible clamping layer is not less than 0.5 centimetre；

Push rod, described push rod is fixing with described grip block to be connected, and described grip block can by described push rod drivingly Move along described first through hole；

The fixed block being connected with described body, described fixed block offers the second through hole, and described push rod passes Described second through hole also matches with described grip block.

As a further improvement on the present invention, described flexible clamping layer includes that some silica gel is protruding.

As a further improvement on the present invention, described flexible clamping layer removably connects with described grip block.

As a further improvement on the present invention, described grip block is concavely provided with installing hole, described push rod and described The screw thread that can be fitted to each other it is provided with in installing hole.

As a further improvement on the present invention, described push rod is provided with gripping in the one end away from described grip block Portion.

As a further improvement on the present invention, described grip part is coated with anti-skidding silica gel.

As a further improvement on the present invention, described fixed block manufactures with described body split.

Compared with prior art, the invention has the beneficial effects as follows: by being provided with flexible clamping on grip block Layer, when the workpiece that grip block clamping is positioned in holding station, this flexible clamping layer can function well as slow The effect of punching, it is to avoid grip block contacts with workpiece excessively rigidity, thus avoids the damage of workpiece.

Accompanying drawing explanation

Sectional view when Fig. 1 is that in the application one embodiment, fixture is positioned at released state；

Sectional view when Fig. 2 is that in the application one embodiment, fixture is positioned at clamped condition.

Detailed description of the invention

The present invention is described in detail for each embodiment shown in below in conjunction with the accompanying drawings, but it should explanation, These embodiments not limitation of the present invention, those of ordinary skill in the art are according to these embodiment institutes Equivalent transformation in work energy, method or structure or replacement, belong to protection scope of the present invention it In.

Ginseng Fig. 1 and Fig. 2, introduces a detailed description of the invention of the application fixture 100.In the present embodiment, This fixture 100 includes body 10, grip block 40 and push rod 20.

Offering holding station 11 on body 10, (figure is not for accommodating workpiece to be processed for holding station 11 Show), workpiece is held and be locked in holding station 11 under the effect of fixture 100, the clamping of this part and The operating principle of locking will describe in detail below.

Coordinate with reference to Fig. 2, body 10 is further opened with the first through hole 12 connected with holding station 11, folder Hold block 40 to be movably disposed in this first through hole 12.The shape of grip block 40 is arranged to lead to first Hole 12 is suitable to limit the direction of motion of this grip block 40, mentioned here " shape of grip block 40 with First through hole 12 is suitable " refer to: the plane vertical with grip block 40 direction of motion cuts grip block 40 and The form and dimension of one through hole 12 is identical, and grip block 40 has been defined when moving in the first through hole 12 uniquely Motion path, the motion of grip block 40 is played guiding function by the first through hole 12.

On grip block 40, the one end towards holding station 11 is provided with flexible clamping layer 41, this flexible clamping layer The thickness of 41 is not less than 0.5 centimetre.In the present embodiment, this flexible clamping layer 41 includes that some silica gel is convex Rise, and this flexible clamping layer 41 removably connects with grip block 40.So flexible clamping layer can be effective Avoid contacting of grip block 40 and the excessively rigidity of the workpiece in holding station 11, it is to avoid workpiece is damaged, Meanwhile, dismountable flexible clamping layer 41 also ensure that its be worn after replacement property, reduce fixture Maintenance cost.

Push rod 20 can drive grip block 40 to move along the first through hole 12 under the effect of external force.This embodiment party In formula, this grip block 40 is concavely provided with installing hole (not shown), and being provided with in push rod 20 and installing hole can be each other The screw thread (not shown) coordinated, to simplify push rod 20 and the installation difficulty of grip block 40.

Fixture 100 also includes the fixed block 30 being connected with main body 10, this fixed block 30 offers second and leads to Hole 31, above-mentioned push rod 20 through the second through hole 31 and matches with grip block 40.Second through hole 31 is used In limiting motion path for push rod 20, it is ensured that the stability that push rod 20 coordinates with grip block 40.

In one preferred embodiment, fixed block 30 can be and body 10 split manufacture.

Push rod 20 is provided with grip part 21 in the one end away from grip block 40, grip part 21 is coated with anti-skidding Silica gel (not shown), in order to the applying of external force and operation.

Be arranged with elastic component 50 on push rod 20, the two ends of this elastic component 50 respectively with grip block 40 and fixed block 30 offset, and when grip block 40 is positioned at the first through hole 12, elastic component 50 is in compressive state.

In one preferred embodiment, elastic component 50 can be spring or shell fragment.

During concrete use, first pull push rod 20 so that grip block 40 makes a concession the first through hole 12 In, now elastic component 50 is in compressive state (as shown in Figure 1), it is possible to workpiece is positioned over body 10 Holding station 11 on；Unclamping push rod 20 subsequently, elastic component 50 promotes grip block 40 towards the side of clamping workpiece To motion (as shown in Figure 2), it is achieved the locking to workpiece.

The present invention is by being provided with flexible clamping layer on grip block, when grip block clamping is positioned in holding station Workpiece time, this flexible clamping layer can function well as the effect of buffering, it is to avoid grip block and workpiece are excessively The contact of rigidity, thus avoid the damage of workpiece.

It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, And without departing from the spirit or essential characteristics of the present invention, it is possible to realize in other specific forms The present invention.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and right and wrong Restrictive, the scope of the present invention is limited by claims rather than described above, it is intended that will fall All changes in the implication of equivalency and scope of claim are included in the present invention.Should will not weigh Any reference during profit requires is considered as limiting involved claim.

Moreover, it will be appreciated that although this specification is been described by according to embodiment, but the most each enforcement Mode only comprises an independent technical scheme, and this narrating mode of description is only for clarity sake, Those skilled in the art should be using description as an entirety, and the technical scheme in each embodiment can also be through Appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.

Claims

1. a fixture, it is characterised in that including:

Fixture the most according to claim 1, it is characterised in that described flexible clamping layer includes some silicon Glue is protruding.

Fixture the most according to claim 1, it is characterised in that described flexible clamping layer and described clamping Block removably connects.

Fixture the most according to claim 1, it is characterised in that described grip block is concavely provided with installing hole, It is provided with, in described push rod and described installing hole, the screw thread that can be fitted to each other.

Fixture the most according to claim 1, it is characterised in that described push rod is away from described grip block One end be provided with grip part.

Fixture the most according to claim 5, it is characterised in that be coated with anti-skidding silicon on described grip part Glue.

Fixture the most according to claim 1, it is characterised in that described fixed block and described body split Manufacture.