CN103537926A

CN103537926A - Die pressing plate

Info

Publication number: CN103537926A
Application number: CN201210240320.5A
Authority: CN
Inventors: 朱华丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-07-12
Filing date: 2012-07-12
Publication date: 2014-01-29

Abstract

A die pressing plate comprises a pressing plate body, a longitudinal groove is formed in the middle of the upper surface of the pressing plate body, and a via hole is formed in the bottom of the pressing plate body. The die pressing plate is characterized in that a cushion block is slidably arranged in the longitudinal groove, the cushion block is placed on the bottom face of the longitudinal groove in the two sides of the via hole, a through hole which corresponds to the via hole in position and allows a screw rod to penetrate is formed in the middle of the cushion block, a plurality of arc-shaped grooves are evenly distributed in the bottom face of the longitudinal groove at intervals, an arc-shaped convex face which is matched and positioned with the arc-shaped grooves is formed at the lower end of the cushion block, and connecting parts which extend downwards and limit the pressing plate body are arranged on the front side and the rear side of the cushion block. An upper cushion block and original lower cushion block in the original combined mode are improved to be one cushion block, the connecting parts and a guide groove of the cushion block are in sliding fit to generate elastic deformation so that a clamping leg can be limited on the bottom face of the pressing plate body, therefore, parts are made to be reduced, meanwhile, the cushion block and the pressing plate body are matched o be positioned in the mode of the arc-shaped convex face and the arc-shaped grooves, and using is flexible and convenient.

Description

A kind of clamping cap

Technical field

The present invention relates to a kind of machine tool accessories fixture, specifically a kind of workpiece to be processed or mould are fixed on to the clamping cap on lathe table top.

Background technology

Clamping cap is fixture more common in mechanical industry, and traditional flat shape clamping cap Chang Yinqi cushion block easily drops and the reason such as scatter and disappear, and by the clamping cap of each class formation on existing market, is substituted gradually.

As the patent No. Chinese patent < < clamping cap > > that is 200720109605.x, it comprises pressing plate main body, lower cushion block and be arranged on the upper cushion block on lower cushion block, wherein, the upper surface middle part of pressing plate main body is provided with longitudinal fluting, in the bottom of this groove, have longitudinal through hole, between upper cushion block and lower cushion block for cambered surface coordinates, and both are seated in described groove, and be resting in the groove floor of through hole both sides, at the middle part of upper cushion block and lower cushion block, be provided with simultaneously corresponding with through hole position and allow that screw rod passes upper, lower through-hole, it is characterized in that: described groove floor is longitudinally convex structure.During use, raise as required pressing plate main body or move lower cushion block along this groove floor, all can make lower cushion block be positioned on same level line with the corresponding contact point in both sides between groove floor, thereby guaranteed that groove floor is stressed evenly, finally realized the object little, long service life of wearing and tearing between both contact-making surfaces, can also on arbitrary camber line, locate, improved flexibility in actual applications simultaneously.Adopt after said structure, upper cushion block, lower cushion block and pressing plate main body can be linked into an integrated entity on the one hand, in case in use each parts are scattered, also saved on the other hand the mould of former adapter sleeve, make the manufacturing cost of clamping cap lower, but this clamping cap structurally adopt cushion block and lower cushion block combination, efficient and convenient not when assembling is used, and parts are many, also require further improvement.

Summary of the invention

Technical problem to be solved by this invention is that a kind of quick, low, economical and practical clamping cap of cost simple in structure, easy to assembly is provided for the above-mentioned state of the art.

The present invention solves the problems of the technologies described above adopted technical scheme: a kind of clamping cap, comprise pressing plate main body, the upper surface middle part of pressing plate main body is provided with longitudinal fluting, bottom at this longitudinal fluting has through hole, it is characterized in that: in described longitudinal fluting, be provided with slidably a cushion block, this cushion block is held on the bottom surface of longitudinal fluting of described through hole both sides, the middle part of cushion block is provided with the through hole corresponding with described through hole position, on the bottom surface of described longitudinal fluting, compartment of terrain is laid with some arc grooves, the lower end of described cushion block forms the arc convex of the location of matching with arc groove, and in the front side of cushion block or rear side be provided with to downward-extension, by strain, realize with pressing plate main body and carry out spacing connecting portion.

As improvement, described connecting portion comprises elastic construction vertically downward, its lower end is provided with outwards outstanding card base, accordingly, on the sidewall of the both sides of through hole, form the gathering sill that is slidably matched with connecting portion and makes its front and back strain, the width of the card base of connecting portion lower end is greater than the distance between the both sides sidewall of through hole, and the strain by connecting portion makes the card base on connecting portion spacing on the bottom surface of pressing plate main body.

Improve, described gathering sill is splayed or herringbone again, and the spacing between two gathering sill hypomeres on single side is greater than or less than the spacing between two card bases of connecting portion.

Further improve, on described connecting portion, the outer surface at position is vertically downward provided with arc reinforcement.

Described arc groove is to be evenly distributed on the bottom surface of longitudinal fluting.

Finally, one end of one end of described backing plate and pressing plate main body is coupling rotationally.

Compared with prior art, the invention has the advantages that: the combination of original upper cushion block and lower cushion block is improved to a cushion block, the strain that connecting portion by cushion block and gathering sill are slidably matched and produce, make card base spacing on pressing plate main body bottom surface, thereby omit buckle design, parts are reduced, cushion block is to adopt arc convex to coordinate location with the mode of arc groove with pressing plate main body simultaneously, flexible and convenient to use, the present invention is simple and reasonable, reduced parts and processing technology step, facilitate production and assembly, reduced cost.

Accompanying drawing explanation

Fig. 1 is STRUCTURE DECOMPOSITION figure of the present invention;

Fig. 2 is structural perspective of the present invention;

Fig. 3 is structure cutaway view of the present invention.

The specific embodiment

Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.

As Figure 1-3, a kind of clamping cap, the folding backing plate 5 in below, one end that comprises pressing plate main body 1, cushion block 2 and be arranged on pressing plate main body 1, the upper surface middle part of pressing plate main body 1 is provided with longitudinal fluting 11, in the bottom of this longitudinal fluting 11, have through hole 12, cushion block 2 is located at longitudinal fluting 11 slidably, and be resting on the bottom surface of longitudinal fluting 11, the middle part of cushion block 2 is provided with the through hole 21 that for screw rod 3 pass corresponding with through hole 12 positions, screw rod 3 is placed through in the through hole 21 of cushion block 2, regulates fixing in upper end by a nut 4, on the bottom surface of longitudinal fluting 11, be even compartment of terrain and be laid with some arc grooves 13, general 4～10 of arc groove 13 numbers, preferably 4～6, the present embodiment is 5, the lower end of cushion block 2 forms the arc convex 22 matching with arc groove 13, and be provided with to downward-extension at the front side of cushion block 2 and rear side, by strain, realize with pressing plate main body 1 and carry out spacing connecting portion 23, connecting portion 23 is the elastic constructions that are after inside bias more vertically downward, its lower end is provided with outwards outstanding card base 24, the outer surface at the position vertically downward of connecting portion 23 is provided with arc reinforcement 25, accordingly, on the sidewall of the both sides of through hole 12, form the gathering sill 14 that is slidably matched with connecting portion 23 and makes its front and back strain, the width of card base 14 is greater than the distance between the both sides sidewall of through hole 12, and the strain by connecting portion 23 makes the card base 24 on connecting portion 23 spacing on the bottom surface of pressing plate main body 1, gathering sill 14 is splayed or herringbone, and the spacing between two gathering sill 14 hypomeres on single side is greater than or less than the spacing between two card bases 24 of connecting portion 23, gathering sill is herringbone in the present embodiment, the epimere width of gathering sill 14 is relatively large, and hypomere width is relatively little, middle for being provided with the changeover portion of spigot surface, now the distance between two card bases is greater than the distance between two gathering sill 14 hypomeres on the one-sided wall of through hole 12, like this after connecting portion 23 inserts by gathering sill 14, by strain and elastic reset afterwards, two card bases 24 strut bottom surface with pressing plate main body 1 offset carry out spacing, one end of one end of backing plate 5 and pressing plate main body 1 is coupling rotationally, so just can be according to backing plate 5 need to being placed vertically or traverse of height, the opening 51 that can place for screw rod 3 when the other end of backing plate 5 offers when backing plate 5 traverse.

Its operation principle is such: according to the height of workpiece 6 by backing plate 5 traverses or place vertically, mobile cushion block 2 is placed in some arc grooves 13 its arc convex 22 again, then by the card base 24 of the connecting portion of cushion block 2 23 lower ends along gathering sill 14 down slidings, under gathering sill 14 effects, by card base 24 and gathering sill 14, coordinate, make connecting portion 23 under the changeover portion and hypomere effect of spigot surface, first strain forward, then wait card base 14 to lose compressing effect through after gathering sill 14, nature resilience, drive also resilience of connecting portion 23, thereby card base 14 is buckled on pressing plate main body 1 bottom surface, can not deviate from, realize efficient and convenient connection the between cushion block 2 and pressing plate main body 1.

Claims

1. a clamping cap, comprise pressing plate main body, the upper surface middle part of pressing plate main body is provided with longitudinal fluting, bottom at this longitudinal fluting has through hole, it is characterized in that: in described longitudinal fluting, be provided with slidably a cushion block, this cushion block is held on the bottom surface of longitudinal fluting of described through hole both sides, the middle part of cushion block is provided with the through hole that Gong the screw rod corresponding with described through hole position places, on the bottom surface of described longitudinal fluting, compartment of terrain is laid with some arc grooves, the lower end of described cushion block forms the arc convex of the location of matching with arc groove, and in the front side of cushion block or rear side be provided with to downward-extension, by strain, realize with pressing plate main body and carry out spacing connecting portion.

2. clamping cap according to claim 1, it is characterized in that described connecting portion is the elastic construction comprising vertically downward, its lower end is provided with outwards outstanding card base, accordingly, on the sidewall of the both sides of through hole, form the gathering sill that is slidably matched with connecting portion and makes its front and back strain, the width of the card base of connecting portion lower end is greater than the distance between the both sides sidewall of through hole, and the strain by connecting portion makes the card base on connecting portion spacing on the bottom surface of pressing plate main body.

3. clamping cap according to claim 2, is characterized in that described gathering sill is splayed or herringbone, and the spacing between two gathering sill hypomeres on single side is greater than or less than the spacing between two card bases of connecting portion.

4. according to the clamping cap described in claim 2 or 3, it is characterized in that the outer surface at the position vertically downward on described connecting portion is provided with arc reinforcement.

5. clamping cap according to claim 1, is characterized in that one end of described backing plate and one end of pressing plate main body are coupling rotationally.

6. clamping cap according to claim 1, is characterized in that described arc groove is to be evenly distributed on the bottom surface of longitudinal fluting.