CN217595680U - Drawing die - Google Patents

Abstract

The utility model discloses a drawing die, including backing plate, blank holder, terrace die and die, the blank holder is arranged in on the backing plate, the blank holder includes the lateral wall and quilt the lateral wall encircles and runs through the hole of accomodating of blank holder upper and lower surface, the terrace die accomodate in it is downthehole to accomodate, the die with the terrace die cooperation is in order to draw the processing to the work piece, be equipped with the reference column on the lateral wall, the die corresponds the position of reference column be equipped with reference column complex locating hole. The utility model has the advantages that: by arranging the blank holder, the male die is accommodated in the blank holder, and the female die and the blank holder are positioned, so that the male die of the female die can be prevented from being dislocated, and the drawing quality is ensured; the drawing die is fixed and positioned with other devices by arranging a plurality of through holes on the base plate and then matching the fixed positioning columns with the through holes; moreover, due to the fact that the number of the through holes is large, the fixed positioning columns are matched with different through holes, and the drawing die can be conveniently matched with different equipment in a positioning mode.

Description

a drawing die

【Technical field】

The utility model relates to a drawing die.

【Background technique】

In the existing automobile industry, various brands are constantly striving to innovate in order to create cost-effective cars, win the favor of customers and buy them. The sales price of automobiles is determined by the market. How to survive in the fiercely competitive environment, cost control has become particularly important. For the stamping workshop, reducing the number of mold engineering can reduce the cost of mold input, shorten the production cycle of the plate, reduce the energy consumption of the stamping machine, and reduce the cost.

In the prior art, most of the drawing die positioning methods are to fix a positioning plate on the mold through a positioning block, and its positioning surface is a vertical plane. In this way, the die and the punch are easily dislocated, which affects the drawing quality. .

【Content of utility model】

The utility model discloses a drawing die, which can solve the technical problems involved in the background technology.

For achieving the above object, the technical scheme of the present utility model is:

A drawing die, comprising a backing plate, a blank holder, a punch and a concave die, the blank holder is placed on the backing plate, the blank holder comprises a side wall and is surrounded by and penetrated by the side wall The receiving holes on the upper and lower surfaces of the blank holder, the punch is accommodated in the receiving hole, the female die cooperates with the punch to perform drawing processing on the workpiece, and the side wall is provided with a positioning column , the die is provided with a positioning hole matched with the positioning column corresponding to the position of the positioning column.

As a preferred improvement of the present invention, three sets of the positioning columns are respectively provided on the two opposite long sides of the side walls, and each set of the positioning columns includes two adjacent and spaced apart positioning columns .

As a preferred improvement of the present invention, a plurality of through holes penetrating through the backing plate are arrayed on the backing plate.

As a preferred improvement of the present invention, some of the through holes are provided with fixed positioning posts.

As a preferred improvement of the present invention, the receiving hole is rectangular, the cross section of the punch is a rectangle matching the shape of the receiving hole, and the punch can move up and down along the receiving hole.

As a preferred improvement of the present invention, both the die and the punch are 45# steel die.

The beneficial effects of a drawing die provided by the utility model:

1. By setting the blank holder, the punch is stored in the blank holder, and the female die and the blank holder are positioned at the same time, which can prevent the dislocation of the punch and die and ensure the drawing quality;

2. By setting a plurality of through holes on the backing plate, and then cooperating with the through holes by fixing the positioning columns, the fixing and positioning of the drawing die and other devices are realized; not only that, due to the large number of through holes, the fixed positioning columns are different from The through holes are matched, which can facilitate the positioning and cooperation of the drawing die and different equipment.

【Description of drawings】

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, under the premise of no creative work, other drawings can also be obtained from these drawings, wherein:

Fig. 1 is the three-dimensional structure diagram of the drawing die of the present utility model;

FIG. 2 is an exploded structural diagram of the drawing die of the utility model.

【Detailed ways】

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, but not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, rear...) in the embodiments of the present invention are only used to explain the difference between the various components under a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly.

In addition, descriptions such as "first", "second", etc. in the present invention are only used for description purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present utility model, unless otherwise expressly specified and limited, the terms "connection", "fixed" and the like should be understood in a broad sense, for example, "fixed" can be a fixed connection, a detachable connection, or an integrated; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between two elements or the interaction relationship between the two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that such technical solutions The combination does not exist and is not within the protection scope required by the present invention.

Referring to FIGS. 1 and 2, the present invention provides a drawing die, including a backing plate 1, a blank holder 2, a punch 3 and a female die 4, on the backing plate 1, a plurality of penetrating pads are arranged in an array. The through holes 11 of the board 1, some of the through holes 11 are provided with fixed positioning columns 5, by setting a plurality of through holes 11 on the backing plate 1, and then through the fixed positioning columns 5 to cooperate with the through holes 11, the Fixing and positioning of the drawing die and other devices; not only that, due to the large number of through holes 11, the fixed positioning posts 5 are matched with different through holes 11, which can facilitate the positioning and coordination of the drawing die and different equipment.

The blank holder 2 is placed on the backing plate 1 , and the blank holder 2 includes a side wall 21 and a receiving hole 22 surrounded by the side wall 21 and passing through the upper and lower surfaces of the blank holder 2 .

It should be noted that, in order to ensure that the blank holder 2 has sufficient structural strength, the blank holder 2 is integrally injection-molded.

Specifically, the receiving hole 22 is rectangular, the cross section of the punch 3 is a rectangle matching the shape of the receiving hole 22 , and the punch 3 is received in the receiving hole 22 and can extend along the receiving hole 22 . The receiving hole 22 moves up and down.

The concave die 4 cooperates with the punch 3 to perform drawing processing on the workpiece 6 , the side wall 21 is provided with a positioning column 7 , and the concave die 4 is provided with a position corresponding to the positioning column 7 . The positioning hole (not shown) in which the positioning column 7 is matched.

Specifically, three sets of the positioning columns 7 are respectively provided on the two opposite long sides of the side wall 21 , and each set of the positioning columns 7 includes two adjacent and spaced apart positioning columns 7 .

Both the die 4 and the punch 3 are 45# steel die, so that the structure has high strength and is not easily damaged.

The beneficial effects of a drawing die provided by the utility model:

1. By setting the blank holder, the punch is stored in the blank holder, and the female die and the blank holder are positioned at the same time, which can prevent the dislocation of the punch and die and ensure the drawing quality;

2. By setting a plurality of through holes on the backing plate, and then cooperating with the through holes by fixing the positioning columns, the fixing and positioning of the drawing die and other devices are realized; not only that, due to the large number of through holes, the fixed positioning columns are different from The through holes are matched, which can facilitate the positioning and cooperation of the drawing die and different equipment.

Although the embodiment of the present invention has been disclosed as above, it is not limited to the application listed in the description and the embodiment, and it can be applied to various fields suitable for the present invention. Additional modifications may readily be effected, therefore, the invention is not limited to the specific details and illustrations shown and described herein without departing from the general concept defined by the appended claims and the scope of equivalents.

Claims (6)

1. A drawing die is characterized in that, comprising a backing plate, a blank holder, a punch and a concave die, the blank holder is placed on the backing plate, and the blank holder comprises a side wall and is The side wall surrounds and penetrates the receiving holes on the upper and lower surfaces of the blank holder, the punch is accommodated in the receiving hole, and the female die cooperates with the punch to perform drawing processing on the workpiece. A positioning column is arranged on the wall, and a positioning hole matched with the positioning column is arranged on the female die corresponding to the position of the positioning column. 2 . The drawing die according to claim 1 , wherein three sets of the positioning posts are respectively provided on the two oppositely arranged long sides of the side walls, and each set of the positioning posts includes two phase posts. 3 . The positioning posts are arranged adjacently and spaced apart. 3 . The drawing die according to claim 1 , wherein a plurality of through holes penetrating through the backing plate are arrayed on the backing plate. 4 . 4 . The drawing die according to claim 3 , wherein a fixed positioning post is arranged in part of the through holes. 5 . 5 . The drawing die according to claim 1 , wherein the receiving hole is rectangular, the cross section of the punch is a rectangle matching the shape of the receiving hole, and the punch can be Move up and down along the receiving hole. 6 . The drawing die according to claim 1 , wherein the female die and the punch are both 45# steel die. 7 .

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