CN217858268U

CN217858268U - Assembled drawing die

Info

Publication number: CN217858268U
Application number: CN202221976810.7U
Authority: CN
Inventors: 戚雪东; 杨志国
Original assignee: Jiangsu Benyu Automobile Body Production Co ltd
Current assignee: Jiangsu Benyu Automobile Body Production Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-22
Anticipated expiration: 2032-07-28

Abstract

The utility model relates to an assembled drawing die adopts following technical scheme including cope match-plate pattern, lower bolster, be equipped with the mould on the cope match-plate pattern, be equipped with the lower mould on the lower bolster, the lower mould middle part is equipped with logical groove, go up mould and logical groove sliding connection, it is the notch cuttype to lead to the groove both sides, place inserting of powder metallurgy preparation on the notch cuttype, it is equipped with the arc chamfer to insert, be equipped with down stroke spacing post on the lower bolster, be equipped with the spacing post of upstroke on the cope match-plate pattern, the spacing post of upstroke is just right with down stroke spacing post.

Description

Assembled drawing die

Technical Field

The utility model belongs to dig the car spare part and make the field, concretely relates to assembled drawing die.

Background

The traditional drawing die is not limited by stroke, so that equipment is easy to damage, and after long-time work, a pre-bending part and a forming part of a female die are overheated, and the phenomena of galling, breakage and wrinkling of a workpiece are serious.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an assembled drawing die to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the assembled drawing die comprises an upper die plate and a lower die plate, wherein an upper die is arranged on the upper die plate, a lower die is arranged on the lower die plate, a through groove is formed in the middle of the lower die, the upper die is in sliding connection with the through groove, the two sides of the through groove are in a stepped shape, an insert made by powder metallurgy is placed on the stepped shape, an arc-shaped chamfer is arranged on the insert, a lower stroke limiting column is arranged on the lower die plate, an upper stroke limiting column is arranged on the upper die plate, and the upper stroke limiting column is right opposite to the lower stroke limiting column.

Preferably, the side length a of the insert is 10mm, the side length B of the insert is 5mm, and the radius R of the arc chamfer of the insert is 5mm.

Preferably, an upper die fixing plate is arranged between the upper die and the upper die plate.

Preferably, the upper die fixing plate is provided with guide posts, and the lower die is provided with guide holes corresponding to the guide posts.

Preferably, a chamfer is arranged at the opening of the guide hole.

Preferably, the height of the upper travel limiting column is smaller than that of the lower travel limiting column.

Compared with the prior art, the utility model, following beneficial effect has:

1. the insert block manufactured by powder metallurgy is embedded in the step shape of the groove, so that the phenomena of breaking, wrinkling, galling and the like generated in the work of the workpiece during drawing are avoided when the workpiece extends;

2. the utility model limits the travel of the upper die and the lower die through the upper travel limiting column and the lower travel limiting column, thereby preventing the damage to the equipment;

3. the utility model discloses a guide post, guiding hole can carry on spacingly to the work piece, and the position can not misplace about guaranteeing, stable direction.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the lower mold structure of the present invention;

FIG. 3 is a side view of the insert of the present invention;

shown in the figure: 1. mounting a template; 2. a lower template; 3. an upper die fixing plate; 4. an upper die; 5. a lower die; 6. an insert; 7. a guide post; 8, guiding holes; 9. an upper travel limit post; 10. a lower stroke limiting column; 11. a through groove.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

The assembled drawing die shown in fig. 1-3 comprises an upper die plate 1 and a lower die plate 2, wherein an upper die fixing plate 3 is fixedly connected to the middle of the lower end face of the upper die plate 1, upper stroke limiting columns 9 are fixedly connected to the lower end faces of the upper die plate 1 located on the left side and the right side of the upper die fixing plate 3, four guide columns 7 are arranged at four corners of the upper die fixing plate 3, an upper die 4 is fixedly connected to the middle of the lower end face of the upper die fixing plate 3, a lower die 5 is fixedly connected to the middle of the upper end face of the lower die plate 2, lower stroke limiting columns 10 are fixedly connected to the upper end faces of the lower die plate 2 located on the left side and the right side of the lower die 5, the upper stroke limiting columns 9 are opposite to the lower stroke limiting columns 10, and the height of the upper stroke limiting columns 9 is smaller than the height of the lower stroke limiting columns 10. Four corners of lower mould 5 are equipped with the guiding hole 8 with the correspondence of four guide posts 7 for play stable guide effect in the mould work, the opening part of guiding hole 8 is equipped with the chamfer. 5 middle parts of lower mould are equipped with logical groove 11, go up mould 3 and lead to groove 11 sliding connection, both sides are the notch cuttype around leading to groove 11, the 6 of inserting of placing the powder metallurgy preparation on the notch cuttype, because the hardness of 6 of inserting of powder metallurgy preparation surpasss the hardness of Cr12 mould steel, and the finish degree is far above Cr12 mould steel, the length of a side A of inserting 6 is 10mm, the length of a side B of inserting 6 is 5mm, insert 6 and be equipped with the arc chamfer, the radius R of the arc chamfer of inserting 6 is 5mm.

The use principle is as follows:

the DC04 steel plate to be drawn is placed into the through groove, the upper die is pressed downwards, the stroke distance is limited through the upper stroke limiting column and the lower stroke limiting column, stable guiding is achieved through the guide columns and the guide holes, and the DC04 steel plate is extruded by the upper die, so that the DC04 steel plate is drawn and formed.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims

1. The assembled drawing die is characterized by comprising an upper die plate and a lower die plate, wherein an upper die is arranged on the upper die plate, a lower die is arranged on the lower die plate, a through groove is formed in the middle of the lower die, the upper die is in sliding connection with the through groove, the two sides of the through groove are stepped, an insert made by powder metallurgy is placed on the stepped shape, the insert is provided with an arc-shaped chamfer, a lower stroke limiting column is arranged on the lower die plate, an upper stroke limiting column is arranged on the upper die plate, and the upper stroke limiting column is right opposite to the lower stroke limiting column.

2. The fabricated drawing die of claim 1, wherein the edge length A of the insert is 10mm, the edge length B of the insert is 5mm, and the radius R of the arc chamfer of the insert is 5mm.

3. The fabricated drawing die of claim 1, wherein an upper die fixing plate is disposed between the upper die and the upper die plate.

4. The fabricated drawing die as claimed in claim 3, wherein the upper die fixing plate is provided with guide posts, and the lower die is provided with corresponding guide holes corresponding to the guide posts.

5. The fabricated drawing die as claimed in claim 4, wherein the opening of the guide hole is provided with a chamfer.

6. The fabricated drawing die of claim 1, wherein the upper travel limiting post has a height that is less than a height of the lower travel limiting post.