CN202506733U

CN202506733U - Split male die structure of drawing die

Info

Publication number: CN202506733U
Application number: CN2012200271457U
Authority: CN
Inventors: 王之来; 张千; 董立光; 魏国哲; 窦学刚; 谷晓玉
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2012-01-20
Filing date: 2012-01-20
Publication date: 2012-10-31
Anticipated expiration: 2022-01-20

Abstract

The utility model discloses a split male die structure of a drawing die, which is used for solving the technical problems that the drawing die is high in manufacturing cost and difficult to lift and overturn. The split male die structure comprises a drawing formation part and a lower die base part. The split male die structure is characterized in that lower die guide plates are arranged at the periphery of the lower die base part, and the split surfaces of the drawing formation part and the lower die base part are positioned at the upper boundary parts of the lower die guide plates. By the unique structure, the size of the alloy material part of a male die is reduced, the die cost is lowered, the die processing precision is enhanced and the drawing formation part of the male die is convenient to overturn and lift.

Description

A kind of split punch structure of drawing die

Technical field

The utility model relates to a kind of drawing die of metallic article, is particularly useful for the branch body structure of metallic article drawing die punch, belongs to the metal stamping technical field.

Background technology

So-called drawing die is exactly the mould that forms the plate blank pull and stretch hollow parts with definite shape.When the punch of drawing die is installed in the forcing press lower table, be called the upside-down mounting of drawing die, also be single-action drawing die.

Single-action drawing die is mainly formed (shown in accompanying drawing 1) by punch, die and blank holder three parts, in the drawing and moulding process, because the wearing and tearing of mould itself are bigger, generally draw punch and adopts alloy material (as: materials such as QT600, GGG70L, MoCr).To present alloy material price problem of higher; When the design of large-scale drawing die, people have adopted the punch that divides body structure, be about to punch from the die shoe bottom surface piecemeal; The top drawing and moulding partly is an alloy material; Die shoe partly is the gray iron material, though this design has reduced die manufacturing cost to a certain extent, but still exist the punch volume big, expend that alloy material is many, mould drops into that expense is high, machining accuracy is difficult for guaranteeing, disadvantages such as difficulty are overturn in lifting.

The utility model content

The purpose of the utility model is the drawback to prior art, provides a kind of and can reduce punch alloy material partial volume, reduces die cost, improves the Mould Machining precision, and is convenient to the split punch structure of the drawing die of punch upset, lifting.

The said problem of the utility model realizes with following technical proposals:

A kind of split punch structure of drawing die; Comprise drawing and moulding part and die shoe part in the formation; Its special feature is: the counterdie guide plate is arranged in the peripheral position of die shoe part, and the branch dignity of drawing and moulding part and die shoe part is positioned at place, counterdie guide plate coboundary.

The split punch structure of above-mentioned drawing die, the bottom shape of said drawing and moulding part convex surface and stamped workpieces coupling is uniformly distributed with one group on the baseplane of drawing and moulding part screwed hole is installed, in its front side and limit, the left and right sides also be provided with positioning spline.

Four liftings of dual-side symmetric arrangement tumble port before and after the split punch structure of above-mentioned drawing die, said drawing and moulding part baseplane.

The utility model is divided into drawing and moulding part and die shoe part in the position, coboundary of drawing die counterdie guide plate with punch; The drawing and moulding part is processed by alloy material; The die shoe part can adopt the gray iron material; Guaranteeing to have reduced the use amount of alloy material to greatest extent under the mould quality prerequisite, significantly reduced die manufacturing cost; At drawing and moulding partly aspect the installation; As installed surface, and, guaranteed its positioning accuracy with drawing and moulding part baseplane by three keys location that is positioned at its front side and limit, the left and right sides; Rely on the assembling of one group of trip bolt and die shoe partial fixing simultaneously, guarantee the reliability of installing; Before and after the drawing and moulding part baseplane dual-side also symmetric arrangement four lifting tumble ports, made things convenient for the upset of drawing and moulding part; Counterdie guide plate at mould adds man-hour, can drawing and moulding partly be dismantled, and process tool is shortened, and has improved the machining accuracy of guide plate.In a word, the utility model has reduced the volume of punch alloy material part with its particular structure, has reduced die cost, improves the Mould Machining precision, and has made things convenient for upset, the lifting of punchless drawing moulding section.

Description of drawings

Below in conjunction with accompanying drawing the utility model is described further.

Fig. 1 is the blast structure chart of drawing die chief component;

Fig. 2 is the structure chart of the utility model;

Fig. 3 is a drawing and moulding part vertical view;

Fig. 4 is that the A of Fig. 3 is to view.

Each label is among the figure: 1, punch, and 1-1, drawing and moulding part, 1-2, die shoe part, 1-3, counterdie guide plate, divide dignity at 1-4, and 1-5, lifting tumble port, are installed screwed hole at 1-6,1-7, positioning spline, 2, blank holder, 3, die.

The specific embodiment

Referring to Fig. 1, Fig. 2; The utility model comprises drawing and moulding part 1-1 and die shoe part 1-2 in constituting; Its special feature is: counterdie guide plate 1-3 is arranged in the peripheral position of die shoe part 1-2, and the honorable 1-4 of branch of drawing and moulding part 1-1 and die shoe part 1-2 is positioned at the place, coboundary of counterdie guide plate 1-3.

Referring to Fig. 2, Fig. 3, Fig. 4; Drawing and moulding part 1-1 convex surface during the utility model constitutes and the bottom shape of stamped workpieces coupling; Be uniformly distributed with one group on the baseplane of drawing and moulding part 1-1 screwed hole 1-6 be installed, in its front side and limit, the left and right sides also be provided with positioning spline 1-7.

Referring to Fig. 2, Fig. 3, Fig. 4, four liftings of dual-side symmetric arrangement tumble port 1-5 before and after the drawing and moulding part 1-1 baseplane during the utility model constitutes.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the operation principle of the utility model is:

Mainly constituting with blank holder 2 of single-action drawing die by punch 1, die 3; Workpiece is carried out drawing and moulding add man-hour; Plate is placed above the blank holder 2; Drive die 3 by pressing equipment and under the guide plate guide effect, move down, blank holder 2 is fixed slab perimeter through the detent mechanism of periphery setting, and the drawing and moulding of workpiece is accomplished in the plate centre under punch 1 and die 3 cooperate.

The integrally-built punch that draws is that the drawing and moulding part partly is one with die shoe, adopts alloy material to make, and the punch volume is big, and materials are many, and not only manufacturing cost is high, and the overturning and hoisting difficulty.The branch dignity that existing branch body structure draws punch generally is positioned at the die shoe bottom surface; The drawing and moulding part is by the alloy material manufacturing, and die shoe partly adopts the gray iron material, because the drawing die degree of depth is bigger; Therefore the drawing and moulding partial volume of being made by alloy material is bigger, and economy is still relatively poor.

The utility model has changed the honorable position of branch of punch, not only reduces the manufacturing cost of mould to greatest extent, and this minute body structure reduced the volume of punch, makes upset, lifting easy to operate.Consider the pickup requirement of production line; Drawing punch does all than higher; This structure is placed on counterdie guide plate 1-3 on the peripheral position of die shoe part 1-2 dexterously, as the split datum level, has effectively reduced the volume of drawing and moulding part 1-1 with counterdie guide plate 1-3 coboundary.When drawing and moulding part 1-1 installs; With the baseplane of drawing and moulding part 1-1 as installed surface; And it is equipped with the positioning key that is installed in die shoe part 1-2 by three positioning splines that are positioned at its front side and limit, the left and right sides; Guarantee its positioning accuracy, relied on one group of trip bolt and fixing assembling of die shoe that is distributed on the installed surface simultaneously, guaranteed the reliability of installing; Before and after the drawing and moulding part 1-1 baseplane dual-side also symmetric arrangement four lifting tumble port 1-5, made things convenient for the upset of drawing and moulding part; Counterdie guide plate at mould adds man-hour, can drawing and moulding part 1-1 be dismantled, and process tool is shortened, and has improved the machining accuracy of guide plate.

Claims

1. the split punch structure of a drawing die; It comprises drawing and moulding part (1-1) and die shoe part (1-2); It is characterized in that; Counterdie guide plate (1-3) is arranged in the peripheral position of die shoe part (1-2), and the branch dignity (1-4) of drawing and moulding part (1-1) and die shoe part (1-2) is positioned at the place, coboundary of counterdie guide plate (1-3).

2. the split punch structure of drawing die according to claim 1; It is characterized in that; The bottom shape coupling of said drawing and moulding part (1-1) convex surface and stamped workpieces; On the baseplane of drawing and moulding part (1-1), be uniformly distributed with one group screwed hole (1-6) be installed, in its front side and limit, the left and right sides also be provided with positioning spline (1-7).

3. the split punch structure of drawing die according to claim 2 is characterized in that, four liftings of dual-side symmetric arrangement tumble port (1-5) before and after said drawing and moulding part (1-1) baseplane.