CN202062003U

CN202062003U - Multi-station stamping die

Info

Publication number: CN202062003U
Application number: CN2011201478370U
Authority: CN
Inventors: 沈增喜; 周建明
Original assignee: JIYUAN ELECTRIC GROUP CO Ltd
Current assignee: JIYUAN ELECTRIC GROUP CO Ltd
Priority date: 2011-05-11
Filing date: 2011-05-11
Publication date: 2011-12-07
Anticipated expiration: 2021-05-11

Abstract

A multi-station stamping die comprises an upper die holder and a lower die holder which are relatively arranged. A surface of the upper die holder opposite to the lower die holder is provided with three convex die plates in parallel mode, and a surface of the lower die holder opposite to the upper die holder is provided with three concave die plates in parallel mode, and positions of the convex die plates are opposite to and matched with those of the concave die plates. The multi-station stamping die is characterized in that middle convex die plates of the three convex die plates are extensible die plates, the middle convex die plates are hung on the upper die holder through an extension-contraction guide mechanism, and two sides of the extension-contraction guide mechanism are provided with workpiece positioning devices. The middle convex die plates of the upper die holder of the multi-station stamping die are designed to be extensible structures and take the lead in conducting partial forming works, and a forming part is located in the middle of a workpiece, thereby enabling stress stressed on horizontal steel plates to be dispersed, lessened and even. Therefore, the multi-station stamping die does not have cracking, can realize pressing steel plates with five grooves in one time and has the advantages of being good in consistency of batch products and high in accuracy of product size and production efficiency.

Description

The multiple site punching mould

[technical field]

The utility model belongs to a kind of diel, especially belong to a kind of can be with the multiple site punching mould of a plurality of Baltimore grooves of the horizontal steel plate of strip punching press formation.

[background technology]

Fig. 1 shows a kind of strip steel sheet product a with five Baltimore grooves, and two is the epirelief formula Baltimore groove b and the f of shape unanimity in five Baltimore grooves, and three is up concave type Baltimore groove c, d and the e of shape unanimity.At present, five Baltimore grooves of this product need punching press respectively one by one, and the efficient that wastes time and energy is low, and the batch machining uniformity is poor, and difficult quality guarantee.And adopting a punching press of matched moulds up and down, horizontal steel plate is prone to cracking under strong pressure again, particularly the easier generation cracking phenomena of intermediate location.

[summary of the invention]

For solving the problems referred to above that prior art exists, the utility model aims to provide a kind of multiple site punching mould, and by this mould, a punching press of press can form a plurality of Baltimore grooves on a horizontal steel plate, and steel plate cracking phenomena can not occur.

For achieving the above object, the utility model has adopted following technical scheme, this multiple site punching mould, comprise the upper bolster that is oppositely arranged, die shoe, flat raft is provided with three convex templates on the face of the relative die shoe of described upper bolster, flat raft is provided with three concave templates on the face of the relative upper bolster of described die shoe, opposed and the mutual coupling in the position of described convex template and described concave template, it is characterized in that: the middle part convex template of described three convex templates is a telescoping formwork, this middle part convex template is suspended on the upper bolster by a flexible guiding mechanism, is provided with Working piece positioning device in the both sides of flexible guiding mechanism.

During concrete enforcement, described flexible guiding mechanism is made of parts casing pipe in two guide pillars, the screw rod and, described screw rod fixedly revolves the end face middle part of putting at described middle part convex template, the periphery of this screw rod is with a stage clip, this stage clip is contained in the stage clip chamber that described telescopic convex template and upper bolster form, described in parts casing pipe be placed in the hole of upper bolster at described screw rod top; The lower end of described guide pillar vertically is connected to close-fitting with a counterbore on the convex template of described middle part, and the upper end of this guide pillar is positioned at a through hole of upper bolster.

During concrete enforcement, described Working piece positioning device has two covers, lays respectively at the outside of two guide pillars, and every cover positioner is made of a sleeve pipe screw rod, a briquetting and a location sleeve pipe.Described locating sleeve vertically is suspended in the through hole of upper bolster, and the upper end of described sleeve pipe screw rod is suspended on the intracavity bottom of described locating sleeve, and the lower end of this sleeve pipe screw rod is fixedly revolved and put on briquetting, is with a sleeve pipe screw rod stage clip on this sleeve pipe screw rod shaft.

Beneficial effect: the utility model is designed to telescopic structure with the convex template at upper bolster middle part, therefore, to carry upper bolster descending when the press working face, make the punch head of the convex template workpiece of conflicting that takes the lead in, under the acting in conjunction of stage clip active force and workpiece reaction force, and under Working piece positioning device cooperates, this punch head stamps out a recess prior to other punch head on workpiece, then, further descending along with the press working face, described stage clip will be in complete compressive state, thereby make this punch head and other punch head be in same horizontal line, at this moment, press working face further descending again, all punch heads just will be finished the punching press to workpiece synchronously.In said process, because middle punch head has carried out partially-formed work earlier, and shaping is positioned at the middle part of workpiece, make the power that horizontal steel plate is subjected to disperse, diminish and evenly, therefore, cracking phenomena can not occur, realize once striking out the steel plate that has five grooves, have bulk article high conformity, product size precision and advantage of high production efficiency.

Also in conjunction with the accompanying drawings the utility model is further described below by embodiment.

[description of drawings]

The product structure schematic diagram that Fig. 1 finishes for this Mould Machining.

Fig. 2 is vertical broken section structural representation of an embodiment of the utility model.

Among the figure: upper bolster 1, the first convex template 11, the first convex template female 111, the first convex template male 112, middle part convex template 12, middle part convex template male 121, screw rod 122, stage clip 123, middle parts casing pipe 124, middle part cannula cavity 1241, guide pillar 125, gap 126, guide pillar gap 127, locating sleeve 13, shell clearance 131, sleeve pipe screw rod 132, briquetting 133, sleeve pipe screw rod stage clip 134, second convex template, 14, the second convex template male, 141, the second convex template female 142.Die shoe 2, the first concave templates 21, the first concave template punch 211, the first concave template dies 212, middle part concave template 22, middle part concave template 221, the second concave templates 23, the second concave template dies 231, the second concave template punch 232.Working face 3 on the press, and working face 4 under the press, workpiece A.

[specific embodiment]

Referring to Fig. 2.Upper bolster 1, die shoe 2 are fixedly installed on respectively on the press under the working face 3 and press on the working face 4.First convex template 11 and second convex template 14 are fixedly installed on the lower plane of upper bolster 1; First concave template 21 and second concave template 23 are complementary with first convex template 11 and second convex template 14 respectively, and opposed type is fixedly installed on the die shoe 2.Crucial innovative point of the present utility model is that the described middle part convex template 12 that is positioned on the upper bolster 1 is telescoping formwork, and this convex template is suspended on the upper bolster 1 by a flexible guiding mechanism, is provided with Working piece positioning device in the both sides of flexible guiding mechanism.

Above-mentioned flexible guiding mechanism is made of parts casing pipe 13 in two guide pillars 125, the screw rod 122 and.Described screw rod 122 fixedly revolves to be put in the screw of the middle part of middle part convex template 12, be with a stage clip 123 in the periphery of screw rod 122, this stage clip 123 is contained in described middle part convex template 12 and the upper bolster 1 formed chamber, and middle parts casing pipe 13 is placed in the hole of upper bolster 1 at screw rod 122 tops.Guide pillar 125 has two, lays respectively at the both sides of screw rod 122, and the lower end of every guide pillar 125 vertically is connected to close-fitting with a counterbore on the middle part convex template 12, and the upper end of guide pillar 125 is positioned at the through hole of upper bolster 1.

Described Working piece positioning device has two covers, lays respectively at the outside of two guide pillars 125, and every cover positioner is made of a sleeve pipe screw rod 132, a briquetting 133 and a location sleeve pipe 13.Described locating sleeve 13 vertically is suspended in the through hole of upper bolster 1, the upper end of described sleeve pipe screw rod 132 is suspended on the intracavity bottom of described locating sleeve 13, the lower end of sleeve pipe screw rod 132 is fixedly revolved and is put on briquetting 133, is with a sleeve pipe screw rod stage clip 134 on sleeve pipe screw rod 132 shafts.

This multiple site punching working process of mould is as follows: upper bolster 1 with press in the working face 3 descending processes because middle part convex template male 121 is positioned at lowest order, therefore, it takes the lead in compressing workpiece A surface.At this moment, the surface of workpiece A is subjected to stage clip 123, press is descending and three effects of making a concerted effort of workpiece A reaction force, make middle part convex template male 121 form a more shallow Baltimore groove on the surface of workpiece A, along with press is further descending, middle part convex template 12 is up under the guiding of guide pillar 125, all compressed until stage clip 123, at this moment, gap 126 and guide pillar gap 127 disappear; Meanwhile, Working piece positioning device plays location workpiece effect, and shell clearance 131 also disappears thereupon.Further descending again along with the press working face, described stage clip 123 is in complete compressive state, thereby make middle part convex template male 121 and the first convex template male 112, the second convex template male 141 be in same horizontal line, finish punching press synchronously workpiece A.In said process, because middle part convex template male 121 has been carried out partially-formed work earlier, and shaping is positioned at the middle part of workpiece A, make the power that horizontal steel plate is subjected to disperse, diminish and evenly, therefore, cracking phenomena can not occur, realize once striking out the steel plate that has five grooves, have bulk article high conformity, product size precision and advantage of high production efficiency.

The foregoing description only is used to illustrate technical solutions of the utility model, and therefore, all similar structures also should belong to the protection domain of this patent.

Claims

1. multiple site punching mould, comprise the upper bolster (1) that is oppositely arranged, die shoe (2), flat raft is provided with three convex templates on the face of the relative die shoe (2) of described upper bolster (1), flat raft is provided with three concave templates on the face of the relative upper bolster (1) of described die shoe (2), opposed and the mutual coupling in the position of described convex template and described concave template, it is characterized in that: the middle part convex template (12) of described three convex templates is a telescoping formwork, this middle part convex template (12) is suspended on the upper bolster (1) by a flexible guiding mechanism, is provided with Working piece positioning device in the both sides of flexible guiding mechanism.

2. multiple site punching mould as claimed in claim 1, it is characterized in that: described flexible guiding mechanism is made of parts casing pipe (124) in two guide pillars (125), the screw rod (122) and, described screw rod (122) fixedly revolves the end face middle part of putting at described middle part convex template (12), the periphery of this screw rod (124) is with a stage clip (123), this stage clip (123) is contained in the stage clip chamber that described telescopic convex template and upper bolster (1) form, described in parts casing pipe (124) be placed in the hole of upper bolster (1) at described screw rod (122) top; The lower end of described guide pillar (125) vertically is connected to close-fitting with a counterbore on the described middle part convex template (12), and the upper end of this guide pillar (125) is positioned at a through hole of upper bolster (1).

3. multiple site punching mould as claimed in claim 1, it is characterized in that: described Working piece positioning device has two covers, lay respectively at the outside of two guide pillars (125), every cover positioner is made of a sleeve pipe screw rod (132), a briquetting (133) and a location sleeve pipe (13); Described locating sleeve (13) vertically is suspended in the through hole of upper bolster (1), the upper end of described sleeve pipe screw rod (132) is suspended on the intracavity bottom of described locating sleeve (13), the lower end of this sleeve pipe screw rod (132) is fixedly revolved and is put on briquetting (133), is with a sleeve pipe screw rod stage clip (134) on this sleeve pipe screw rod (132) shaft.