CN213195330U

CN213195330U - Water-cooled hot stamping die

Info

Publication number: CN213195330U
Application number: CN202021318344.4U
Authority: CN
Inventors: 阳永红
Original assignee: Wuxi Yuandaxin Machinery Technology Co ltd
Current assignee: Wuxi Yuandaxin Machinery Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-05-14
Anticipated expiration: 2030-07-07

Abstract

The utility model provides a water-cooled hot stamping die, which comprises an upper die area and a lower die area, wherein the upper die area and the lower die area are connected in a guiding way through a pair of limiting columns; the upper die area comprises a female die, a top die column, an upper die holder and a die handle, the top die column is arranged in the female die, the upper end of the top die column is provided with the upper die holder, the upper end of the upper die holder is provided with the die handle, and the die handle and the top die column are coaxial; the lower die area comprises a male die, a water storage tank, a water inlet, a water outlet, a blank holder and a lower die holder, the water storage tank is arranged on the inner side of the male die, the water inlet and the water outlet are arranged in the water storage tank, one end of the water inlet and one end of the water outlet are connected with the water storage tank, the other end of the water inlet and the other end of the water outlet are connected with the lower surface of the lower die holder, the blank holder is arranged on the periphery of; the utility model has the advantages that through the use and design of the reinforced blank holder, the deformation is more uniform; the uniform cooling of the surface of the die can be realized through the embedded water storage tank structure, and the installation and debugging are convenient.

Description

Water-cooled hot stamping die

Technical Field

The utility model mainly relates to the technical field of dies, especially, relate to a water-cooled hot stamping die.

Background

At present, when designing a cooling system, firstly, a hot stamping die is used for not only forming but also cooling and quenching the product, so that the cooling speed of the product is enough to make the austenitic structure be turned into fire as much as possible. The core problem, water-cooled design quality direct influence the cooling system of mould whether can take away rapidly at every turn hot stamping back mould heat storage, production efficiency and refrigerated homogeneity, still will guarantee to make perfect before the punching press of every turn when guaranteeing the mould die cavity surface difference in temperature. However, at present, an exact calculation formula is not available, and particularly, when the initial conditions of the die are the same, the die can have continuous production capacity.

Published chinese utility model patent, application No. CN201420619545.6, patent name: a water-cooled hot stamping die, application date: 20141024, the utility model belongs to the technical field of the hot stamping technique and specifically relates to indicate a water-cooled hot stamping die, including water route transition template, water route transition template is equipped with the transition basin that is used for assembling the shaping upper die cooling water, converges into the basin and with this converge into converging into the rivers through-hole of basin intercommunication. The utility model discloses, water route transition template assembles and communicates a plurality of cooling water courses through transition basin and the cooling water course that converges into in a plurality of cooling water courses of basin to one or more mould for the cooling water course of the complicatedness of one or more mould assembles the water route that feeds into one or more one and advance, makes things convenient for the supply with and the circulation of cooling water, also can set up a plurality of cooling water courses for the mould and cool off the mould and guarantee product quality and establish the basis, has very strong practicality.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a water-cooled hot stamping die, which comprises an upper die area and a lower die area, wherein the upper die area and the lower die area are connected in a guiding way through a pair of limiting columns 6;

the upper die area comprises a female die 1, a top die column 3, an upper die base 4 and a die handle 5, the top die column 3 is arranged in the female die 1, the upper end of the top die column 3 is provided with the upper die base 4, the upper end of the upper die base 4 is provided with the die handle 5, and the die handle 5 and the top die column 3 are coaxial;

the lower die zone comprises a male die 2, a water storage tank 22, a water inlet 23, a water outlet 24, a blank holder 8 and a lower die holder 9, the water storage tank 22 is arranged on the inner side of the male die 2, the water inlet 23 and the water outlet 24 are arranged inside the water storage tank 22, one end of the water inlet 23 and one end of the water outlet 24 are connected with the other end of the water storage tank 22, the lower surface of the lower die holder 9 is connected with the other end of the water storage tank 22, the blank holder 8 is arranged on the periphery of the male die 2.

Preferably, four corners of the upper surface of the blank holder 8 are provided with positioning pins 7.

Preferably, the top die cylinder 3 has a length equal to the height of the workpiece 10.

Preferably, the female die 1 is provided with a first through hole 12, the blank holder 8 is provided with a second through hole 82, the first through hole 12 and the second through hole 82 are in one-to-one correspondence, and the second through hole 82 is fixedly provided with a limiting column 6.

Preferably, the blank holder 8 and the male die 2 are arranged in an interference fit mode.

Preferably, the blank holder 8 and the die 1 are spaced apart by a gap length equal to the thickness of the workpiece 10.

Preferably, the female die 1 and the male die 2 are both made of high-temperature resistant materials.

The utility model has the advantages that: by using and designing the reinforced blank holder, the problem of irregular deformation of the hot stamping water-cooling die in bending deformation can be solved, the deformation amount is more uniform, and the phenomena of rolling and uncoordinated deformation of the high-strength steel plate are avoided during stamping treatment; the mold forming surface is processed into a mold cover with a certain thickness through an embedded water storage tank structure and is embedded into a mold base, and then a series of grooves are processed in the mold base to form a cooling cavity; the structure can realize the uniform cooling of the surface of the die and is convenient to install and debug.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial exploded view of the present invention;

fig. 3 is a partial cross-sectional view of the present invention;

fig. 4 is a partial cross-sectional view of the present invention;

fig. 5 is a partial cross-sectional view of the present invention;

in the figure: 1. a female die; 12. a first through hole; 2. a male die; 22. a water storage tank; 23. a water inlet hole; 24. a water outlet hole; 3. a top mold column; 4. an upper die holder; 5. a die shank; 6. a limiting column; 7. Positioning pins; 8. a blank holder; 82. a second through hole 9 and a lower die holder; 10. and (5) a workpiece.

Detailed Description

In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.

As shown in fig. 1-5, the present invention comprises: the die comprises an upper die area and a lower die area, wherein the upper die area and the lower die area are connected in a guiding manner through a pair of limiting columns 6;

In this embodiment, it is preferable that positioning pins 7 are provided at four corners of the upper surface of the blank holder 8.

The arrangement of the structure ensures that the workpiece 10 has a constant position in the die.

In the present embodiment, it is preferred that the length of the top mold pillar 3 is equal to the height of the workpiece 10.

The arrangement of the structure ensures that the workpiece 10 is not collided when the workpiece is taken.

In this embodiment, preferably, the female die 1 is provided with a first through hole 12, the blank holder 8 is provided with a second through hole 82, the first through hole 12 corresponds to the second through hole 82 one by one, and the second through hole 82 is fixedly provided with the limiting column 6.

With the above structure, the second through hole 82 is used for mounting and dismounting the limit post 6, and the limit post 6 limits the mold closing distance.

In the embodiment, the blank holder 8 and the male die 2 are preferably mounted in an interference fit mode.

Set up above-mentioned structure, adopt special instrument extrusion to enter, or utilize expend with heat and contract with cold's characteristic, with the hole heating, enlarge in the aperture while, overlap on the axle rapidly, make the installation more firm.

In this embodiment, it is preferable to leave a gap between the clamping ring 8 and the die 1, which is equal to the thickness of the workpiece 10.

With the above structure, the original design thickness of the workpiece 10 is kept to the minimum.

In the present embodiment, it is preferable that the female die 1 and the male die 2 are both made of high temperature resistant materials.

The above structure is provided to ensure that the entire structure of the die contents after hot press forming is martensite.

In the using process, the problem of irregular deformation of the hot stamping water-cooling die in bending deformation can be solved through the use and design of the reinforcing blank holder, the deformation amount is more uniform, and the high-strength steel plate does not roll or deform in an uncoordinated manner in the stamping process; the mold forming surface is processed into a mold cover with a certain thickness through an embedded water storage tank structure and is embedded into a mold base, and then a series of grooves are processed in the mold base to form a cooling cavity; the structure can realize the uniform cooling of the surface of the die and is convenient to install and debug.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. A water-cooled hot stamping die is characterized by comprising an upper die area and a lower die area, wherein the upper die area and the lower die area are connected in a guiding manner through a pair of limiting columns (6);

the upper die area comprises a female die (1), a die ejecting column (3), an upper die holder (4) and a die handle (5), the die ejecting column (3) is arranged in the female die (1), the upper end of the die ejecting column (3) is provided with the upper die holder (4), the upper end of the upper die holder (4) is provided with the die handle (5), and the die handle (5) and the die ejecting column (3) are coaxial;

lower die zone includes terrace die (2), aqua storage tank (22), inlet opening (23), apopore (24), blank holder (8), die holder (9), terrace die (2) inboard is equipped with aqua storage tank (22), aqua storage tank (22) inside is equipped with inlet opening (23) and apopore (24), lower die holder (9) lower surface is connected to aqua storage tank (22) other end to inlet opening (23) and apopore (24) one end, terrace die (2) periphery is equipped with blank holder (8), blank holder (8) lower extreme is equipped with die holder (9).

2. The water-cooled hot stamping die according to claim 1, wherein: and positioning pins (7) are arranged at four corners of the upper surface of the blank holder (8).

3. The water-cooled hot stamping die according to claim 1, wherein: the length of the top die column (3) is equal to the height of the workpiece (10).

4. The water-cooled hot stamping die according to claim 1, wherein: the female die (1) is provided with a first through hole (12), the blank holder (8) is provided with a second through hole (82), the first through hole (12) and the second through hole (82) are in one-to-one correspondence, and the second through hole (82) is fixedly provided with a limiting column (6).

5. The water-cooled hot stamping die according to claim 2, wherein: the blank holder (8) and the male die (2) are arranged in an interference fit mode.

6. The water-cooled hot stamping die according to claim 5, wherein: and a gap is reserved between the blank holder (8) and the female die (1) and has a length equal to the thickness of the workpiece (10).

7. The water-cooled hot stamping die according to claim 1, wherein: the female die (1) and the male die (2) are made of high-temperature-resistant materials.