CN215965747U

CN215965747U - Forming die of sheet metal cold forming part

Info

Publication number: CN215965747U
Application number: CN202121799713.0U
Authority: CN
Inventors: 杨龙; 曹刚
Original assignee: Xi'an Hongtai Aviation Technology Co ltd
Current assignee: Xi'an Hongtai Aviation Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-03-08
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a forming die for sheet metal cold forming parts, which comprises: the upper die assembly is connected with the upper platform of the punch press, the lower die assembly is connected with the lower platform of the punch press, and the blank holder is arranged between the upper die assembly and the lower die assembly; the upper die assembly comprises an upper die plate arranged on the upper platform of the punching machine, a female die arranged on the upper die plate and a female die insert arranged on the female die; the lower die assembly comprises a lower die plate arranged on the lower platform of the punch press, a convex die holder arranged on the lower die plate and a convex die arranged on the convex die holder. The utility model can lead the stainless steel of the 17-7PH solid solution material not to crack when cold forming the deep box-shaped part, and the periphery of the part does not generate wrinkles, and the cold drawing forming is adopted, thus improving the forming rate of the part.

Description

Forming die of sheet metal cold forming part

Technical Field

The utility model belongs to the field of injection molds, and relates to a forming mold for a stainless steel deep basin-shaped metal plate cold forming part on an airplane.

Background

When the stainless steel made of the 17-7PH solid solution material is used for cold forming a deep box-shaped part, the part is easy to crack during forming, the periphery of the formed part is easy to wrinkle, the subsequent shaping difficulty is high, the surface of the part is damaged, and the drawing requirements cannot be met, and the specific part is shown in figure 1.

Disclosure of Invention

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the embodiment of the utility model provides a forming die for a sheet metal cold forming part, which comprises: the upper die assembly is connected with the upper platform of the punch press, the lower die assembly is connected with the lower platform of the punch press, and the blank holder is arranged between the upper die assembly and the lower die assembly; the upper die assembly comprises an upper die plate arranged on the upper platform of the punching machine, a female die arranged on the upper die plate and a female die insert arranged on the female die; the lower die assembly comprises a lower die plate arranged on the lower platform of the punch press, a convex die holder arranged on the lower die plate and a convex die arranged on the convex die holder.

Preferably, in the embodiment provided by the utility model, the die and the die insert are both connected with the upper die plate through a first screw and a first cylindrical pin.

Preferably, in the embodiment provided by the utility model, the die holder is connected with the lower template through a second screw.

Preferably, in the embodiment provided by the utility model, the position of the blank holder is adjusted by the adjusting block and the third cylindrical pin.

Preferably, in the embodiment provided by the utility model, the guide plate and the guide block are included, and the guide plate and the guide block are fixed on the lower template through third screws.

Preferably, in the embodiment provided by the utility model, the lower die plate comprises a stop block, and the stop block is fixed on the lower die plate through a fourth screw and a fourth cylindrical pin.

The utility model can lead the stainless steel of the 17-7PH solid solution material not to crack when cold forming the deep box-shaped part, and the periphery of the part does not generate wrinkles, and the cold drawing forming is adopted, thus improving the forming rate of the part.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 shows the part after molding.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Fig. 3 is a sectional view of a portion a-a in fig. 1.

Fig. 4 is a sectional view of a portion B-B in fig. 1.

Fig. 5 is a sectional view of a portion C-C in fig. 1.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

The terms "first" and "second," and the like, in the description and in the claims of embodiments of the present invention are used for distinguishing between different objects and not for describing a particular order of the objects.

The embodiment of the utility model provides a forming die for a sheet metal cold forming part, which comprises the following components in percentage by weight as shown in figures 2 to 5: the upper die assembly is connected with an upper platform of the punch press, the lower die assembly is connected with a lower platform of the punch press, and the blank holder 4 is arranged between the upper die assembly and the lower die assembly; the upper die assembly comprises an upper die plate 1 arranged on the upper platform of the punching machine, a female die 3 arranged on the upper die plate 1 and a female die insert 2 arranged on the female die 3; the lower die assembly comprises a lower die plate 7 arranged on the lower platform of the punch press, a convex die holder 6 arranged on the lower die plate 7, and a convex die 5 arranged on the convex die holder 6.

Preferably, in the embodiment provided by the present invention, the die 3 and the die insert 2 are both connected to the upper die plate through the first screw 12 and the first cylindrical pin 13.

Preferably, in the embodiment provided by the present invention, the die holder 6 is connected to the lower die plate 7 by a second screw 16.

Preferably, in the embodiment provided by the utility model, the position of the blank holder 4 is adjusted by the adjusting block 11 and the third cylindrical pin 15.

Preferably, in the embodiment provided by the present invention, the guide plate 8 and the guide block 9 are included, and the guide plate 8 and the guide block 9 are fixed on the lower template 7 by a third screw 17.

Preferably, in the embodiment provided by the utility model, the stopper 10 is included, and the stopper 10 is fixed on the lower template through a fourth screw 18 and a fourth cylindrical pin 19.

The working description is as follows:

the mandril force of the lower die of the punch press acts on the convex die seat to enable the convex die to move upwards, the punching force of the upper die of the punch press acts on the upper die plate to move downwards together with the concave die of the concave die insert assembly 3, and the basin-shaped part is formed through the drawing action of the concave die and the convex die.

The die has the advantages that the die adopts a deep drawing forming technology, the female die adopts an insert assembly, the part forming effect is good, the part cannot crack during forming, and the part cannot wrinkle during forming due to the blank holder arranged on the blank holder.

While embodiments of the utility model have been disclosed above, it is not limited to the applications listed in the description and the embodiments. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the utility model not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.

Claims

1. The utility model provides a forming die of panel beating cold forming part which characterized in that includes: the upper die assembly is connected with the upper platform of the punch press, the lower die assembly is connected with the lower platform of the punch press, and the blank holder is arranged between the upper die assembly and the lower die assembly;

the upper die assembly comprises an upper die plate arranged on the upper platform of the punching machine, a female die arranged on the upper die plate and a female die insert arranged on the female die;

the lower die assembly comprises a lower die plate arranged on the lower platform of the punch press, a convex die holder arranged on the lower die plate and a convex die arranged on the convex die holder.

2. The forming die for cold-formed sheet metal parts as claimed in claim 1, wherein the die and the die insert are connected to the upper die plate by a first screw and a first cylindrical pin.

3. The forming die for cold-formed sheet metal parts as claimed in claim 1, wherein the punch holder is connected to the lower die plate by a second screw.

4. The forming die for cold-formed sheet metal parts as claimed in claim 1, wherein the blankholder is position-adjusted by an adjusting block and a third cylindrical pin.

5. The forming die for the cold-formed sheet metal part as claimed in claim 1, wherein the forming die comprises a guide plate and a guide slider, and the guide plate and the guide slider are fixed on the lower template through a third screw.

6. The forming die for the cold-formed sheet metal part as claimed in claim 5, wherein the forming die comprises a blocking slide block, and the blocking slide block is fixed on the lower template through a fourth screw and a fourth cylindrical pin.