CN210060481U

CN210060481U - Clamp for clamping workpiece of precision wire cutting machine

Info

Publication number: CN210060481U
Application number: CN201920793298.4U
Authority: CN
Inventors: 蒋强; 王伟
Original assignee: Kunshan Baobo Precision Mould Co Ltd
Current assignee: Kunshan Baobo Precision Mould Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-02-14
Anticipated expiration: 2029-05-30

Abstract

The utility model relates to an anchor clamps technical field just discloses an anchor clamps for accurate wire cut electrical discharge machining centre gripping work piece, which comprises a base bod, threaded hole and unthreaded hole have been seted up to the bottom of base member, the handle has been cup jointed in the inside activity of threaded hole, the slide bar has been cup jointed in the inside activity of unthreaded hole, the top surface of base member is seted up flutedly, the fastening hole has been seted up to the bottom surface of recess, the bottom surface fixed mounting of recess has the spring, the quantity of spring is four, the top fixed mounting of spring has the roof, the through-hole has been seted up to the top surface of roof. This kind of an anchor clamps for accurate wire cut electrical discharge machining centre gripping work piece, when the centre gripping work piece, rotate the handle, make the both sides base member separation, loosen fastening screw again, with the work piece clamp tightly can, the fastening screw of screwing, reverse rotation handle again makes the both sides base member draw close, accomplishes the fixed of work piece, realizes carrying out nimble adjustment according to the size of work piece, rotates the handle and can conveniently control the dynamics of fastening.

Description

Clamp for clamping workpiece of precision wire cutting machine

Technical Field

The utility model relates to an anchor clamps technical field specifically is an anchor clamps that is used for accurate wire cut electrical discharge machining centre gripping work piece.

Background

The clamp is a machining accessory which is used for fixing and limiting a workpiece in the machining process and avoiding machining errors caused by workpiece shaking.

Most of the existing precise wire cutting machine fixtures are matched with threaded holes through bolts, workpieces are clamped and fixed through two clamping blocks, workpieces to be machined are usually soft hardware, clamping force is too large for guaranteeing clamping effect, the workpieces to be machined are damaged, common fixtures cannot be flexibly adjusted according to the size of the workpieces, fastening can be carried out only by means of other tools, and clamping force is not convenient to control.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides an anchor clamps for accurate wire cut electrical discharge machining centre gripping work piece possesses screw fastening formula size adjustment mechanism and can carry out nimble adjustment, the size of the clamping-force of being convenient for to control according to the size of work piece, spring fixture can avoid too big clamping-force to cause advantages such as damage to the work piece when guaranteeing the centre gripping effect, has solved common anchor clamps and has applyed great clamping-force easily and damage the work piece, can not adjust the problem of clamping-force in a flexible way.

(II) technical scheme

For realize that above-mentioned screw fastening formula size adjustment mechanism can carry out nimble adjustment, the size of the clamping-force of being convenient for control, the purpose that the too big clamping-force caused the damage to the work piece can be avoided when guaranteeing the centre gripping effect to spring fixture according to the size of work piece, the utility model provides a following technical scheme: the utility model provides an anchor clamps for accurate wire cut electrical discharge machining centre gripping work piece, includes the base member, threaded hole and unthreaded hole have been seted up to the bottom of base member, the handle has been cup jointed in the inside activity of threaded hole, the slide bar has been cup jointed in the inside activity of unthreaded hole, the top surface of base member is seted up flutedly, the fastening hole has been seted up to the bottom surface of recess, the bottom surface fixed mounting of recess has the spring, the quantity of spring is four, the top fixed mounting of spring has the roof, the through-hole has been seted up to the top surface of roof, the fastening screw has been cup jointed with the internal thread in fastening.

Preferably, the number of the substrates is two.

Preferably, both ends of the handle are provided with external threads, and the rotating directions of the two sections of external threads are opposite.

Preferably, the shape of the middle part of the grip is hexagonal.

Preferably, the number of the fastening holes is four, two fastening holes are divided into two groups, and each group of the fastening holes corresponds to the base body on one side.

Preferably, the upper layer and the lower layer of the spring are coated with silica gel.

Preferably, the side surface of the top plate is in sliding connection with the inner wall of the groove.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of an anchor clamps for accurate wire cut electrical discharge machining centre gripping work piece, when the centre gripping work piece, rotate the handle, make the both sides base member separation, loosen fastening screw again, with the work piece clamp tightly can, the fastening screw of screwing, reverse rotation handle again makes the both sides base member draw close, accomplishes the fixed of work piece, realizes carrying out nimble adjustment according to the size of work piece, rotates the handle and can conveniently control the dynamics of fastening.

2. According to the clamp for clamping the workpiece by the precise wire cutting machine, the workpiece is placed in a gap between the upper layer and the lower layer of the spring, the fastening screw is screwed, the top plate descends, the spring is compressed, the workpiece is further fixed in the vertical direction, in the process of gradually compressing, the spring absorbs part of pressure from the top plate, and the workpiece is guaranteed not to be damaged by force applied to the surface of the workpiece.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a sectional view of the structure fastening mechanism of the present invention.

In the figure: 1. a substrate; 101. a threaded hole; 102. a light hole; 103. a groove; 104. a fastening hole; 2. a grip; 201. an external thread; 3. a slide bar; 4. a spring; 5. a top plate; 501. a through hole; 6. and (5) fastening the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a clamp for clamping a workpiece of a precision wire cutting machine comprises a base 1, wherein two base 1 are provided for fastening in a horizontal direction, a threaded hole 101 and a unthreaded hole 102 are provided at the bottom of the base 1, a handle 2 is movably sleeved inside the threaded hole 101, external threads 201 are provided at both ends of the handle 2, the two external threads 201 have opposite rotation directions, so that the base 1 on both sides can be separated and closed by rotating the handle 2, the handle 2 has a hexagonal middle part, so that a worker can conveniently rotate the handle 2, a slide rod 3 is movably sleeved inside the unthreaded hole 102, a supporting force is provided for the base 1 while the base 1 on both sides is not relatively rotated, a groove 103 is provided on the top surface of the base 1 for installing a longitudinal fastening structure, a fastening hole 104 is provided on the bottom surface of the groove 103 for limiting and fixing the fastening structure, the number of the fastening holes 104 is four, two groups of four fastening holes 104 are arranged, each group of the four fastening holes 104 corresponds to the base body 1 on one side, the fastening effect is guaranteed, the springs 4 are fixedly arranged on the bottom surfaces of the grooves 103, the upper layer and the lower layer of each spring 4 are coated with silica gel, the direct pressure on a workpiece is further reduced, the damage of the workpiece with soft texture is avoided, the number of the springs 4 is four, the stress of the workpiece is guaranteed to be uniform, the top portions of the springs 4 are fixedly provided with the top plates 5, the side surfaces of the top plates 5 are in sliding connection with the inner walls of the grooves 103, when the springs 4 are stretched or compressed, the top plates 5 can slide up and down along the inner walls of the grooves 103, the top surfaces of the top plates 5 are provided with through holes 501, the fastening screws 6 are sleeved on the internal threads of the through holes 501 and the fastening screws 6, the top plate 5 slides downwards along the inner wall of the groove 103 to compress the spring 4, so that the workpiece can be clamped.

The working principle is as follows: when pressing from both sides tight work piece, at first rotate handle 2, make the base member 1 separation of both sides, loosen fastening screw 6, make spring 4 with roof 5 along recess 103 jacking, leak the gap between the upper and lower layer of spring 4, fill in the gap of the upper and lower layer of spring 4 with the work piece, fastening screw 6 screws, make roof 5 gliding, compression spring 4, make the upper and lower layer of spring 4 all produce the extrusion to the upper and lower surface of work piece, and then realize spacing to the vertical direction of work piece, reverse rotation handle 2 again, make the base member 1 of both sides draw close, accomplish the fixed of horizontal direction.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, in the drawings of the present invention, the filling pattern is only for distinguishing the pattern layer, and is not limited to any other pattern.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a anchor clamps for accurate wire cut electrical discharge machining centre gripping work piece, includes base member (1), its characterized in that: threaded hole (101) and unthreaded hole (102) have been seted up to the bottom of base member (1), handle (2) have been cup jointed in the inside activity of threaded hole (101), slide bar (3) have been cup jointed in the inside activity of unthreaded hole (102), the top surface of base member (1) is seted up flutedly (103), fastening hole (104) have been seted up to the bottom surface of recess (103), the bottom surface fixed mounting of recess (103) has spring (4), the quantity of spring (4) is four, the top fixed mounting of spring (4) has roof (5), through-hole (501) have been seted up to the top surface of roof (5), fastening screw (6) have been cup jointed with the internal thread of fastening hole (104) through-hole (501).

2. The clamp for the precision wire cutting machine to clamp the workpiece according to claim 1, wherein: the number of the base bodies (1) is two.

3. The clamp for the precision wire cutting machine to clamp the workpiece according to claim 2, wherein: both ends of the handle (2) are provided with external threads (201), and the rotating directions of the two sections of the external threads (201) are opposite.

4. The clamp for the precision wire cutting machine to clamp the workpiece according to claim 1, wherein: the middle part of the handle (2) is hexagonal.

5. The clamp for the precision wire cutting machine to clamp the workpiece according to claim 1, wherein: the number of the fastening holes (104) is four, every two of the four fastening holes (104) are divided into two groups, and each group of the fastening holes (104) corresponds to the base body (1) on one side.

6. The clamp for the precision wire cutting machine to clamp the workpiece according to claim 1, wherein: the upper layer and the lower layer of the spring (4) are coated with silica gel.

7. The clamp for the precision wire cutting machine to clamp the workpiece according to claim 1, wherein: the side surface of the top plate (5) is in sliding connection with the inner wall of the groove (103).