CN215657272U

CN215657272U - Rapid forming's 5083 aluminium car finished piece superplastic mould structure

Info

Publication number: CN215657272U
Application number: CN202121272843.9U
Authority: CN
Inventors: 李航; 闫彦; 李莹娜; 李晶影; 高鹏; 薛洪涛; 王强; 李文彬; 程岩; 孙康
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-01-28
Anticipated expiration: 2031-06-08

Abstract

The utility model relates to a fast-forming 5083 aluminum automobile part superplastic die structure, which comprises a forming female die and a fast-forming male die, wherein the forming female die is provided with a cavity; the forming female die is of an integrated structure provided with an air inlet; the rapid forming male die is of an integrated structure provided with an exhaust hole; the rapid forming male die is provided with a sealing structure at the contact part with the material plate; the forming female die and the rapid forming male die are provided with a die orifice direct guide structure, a mounting structure, a hoisting structure and a temperature measuring hole; by arranging the direct die orifice guiding structure, the guiding precision is improved, and the phenomenon of dead locking caused by heated guiding can be effectively prevented; by inserting the thermocouple in the temperature measuring hole, the real-time temperature monitoring is realized in the superplastic forming process, and the superplastic forming temperature is conveniently controlled; according to the utility model, on the premise of not additionally increasing tooling investment and labor hour, the superplastic rapid forming can be realized, the superplastic forming time is saved by more than 50% compared with the traditional superplastic forming time, the superplastic production efficiency is improved, and the manufacturing cost is reduced.

Description

Rapid forming's 5083 aluminium car finished piece superplastic mould structure

Technical Field

The utility model relates to a superplastic mold structure, in particular to a quickly-formed superplastic mold structure for 5083 aluminum automobile parts, and belongs to the technical field of superplastic molds.

Background

When the development of new energy technology is not mature, the light weight of the automobile is the best way for reducing energy consumption and improving fuel economy. The aluminum alloy replaces a steel plate, so that the weight of the whole car can be reduced by about 50%, the superplastic elongation of 5083 aluminum alloy is more than 400%, and the requirements of external decorative characteristic lines of the car with clear outline and sharp edges and corners can be met, so that the superplastic forming of the aluminum alloy is applied to car covering parts, but the superplastic technology is only applied to the foreign high-end luxury custom car market due to the high production investment, low production efficiency, high manufacturing cost and other influence factors of the superplastic technology.

Therefore, there is a need in the art for a superplastic mold structure that can improve the efficiency of superplastic production and reduce the manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a fast-forming superplastic mold structure for 5083 aluminum automobile parts, which can greatly improve the superplastic production efficiency by more than 50% compared with the traditional superplastic production efficiency and reduce the manufacturing cost, so that small-batch products can use the superplastic technology, complex modeling is realized, the charm of the products is increased, and the product competitiveness is improved.

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

a fast-forming 5083 aluminum automobile part superplastic die structure comprises a forming female die and a fast-forming male die;

the forming female die is of an integrated structure and is provided with an air inlet; the air inlet is communicated with an air source through a metal pipeline;

the rapid forming male die is of an integrated structure and is provided with an exhaust hole; the exhaust hole is arranged at the last filling reaching part, and the aperture is smaller than 1 mm;

preferably, the rapid forming male die is provided with a sealing structure at the contact part with the material plate, and the sealing structure is a sealing convex rib or a sealing groove; the sealing structure ensures that gas does not leak during superplastic forming;

preferably, a guide structure is arranged between the forming female die and the rapid forming male die, and the guide structure is a die orifice direct guide structure; the direct die orifice guiding structure can effectively prevent the die orifice from being heated and guided to be blocked while improving the guiding precision;

preferably, the forming female die and the rapid forming male die are both provided with mounting structures, and the mounting structures can enable the superplastic die structure to be mounted on an upper sliding block and a lower working platform of die clamping equipment;

furthermore, the mounting structure is a blank holder groove matched pressure plate mounting structure or a U-shaped groove matched bolt mounting structure;

preferably, the forming female die and the rapid forming male die are both provided with hoisting structures; the hoisting structure is convenient for turning and transporting the die;

preferably, the forming female die and the rapid forming male die are both provided with temperature measuring holes; a thermocouple is inserted in the temperature measuring hole.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model can effectively prevent the metal from flowing out by arranging the vent holes with the aperture smaller than 1 mm; by arranging the direct die orifice guiding structure, the guiding precision is improved, and the phenomenon of dead locking caused by heated guiding can be effectively prevented; through inserting the thermocouple in the temperature measurement hole, realize carrying out real-time temperature monitoring to the superplastic forming in-process, conveniently control the superplastic forming temperature. According to the utility model, on the premise of not increasing tooling investment and labor hour, the superplastic rapid forming can be realized only through the structural design of the forming female die and the rapid forming male die, the superplastic forming time is saved by more than 50% compared with the traditional superplastic forming time, the superplastic production efficiency is improved, and the small-batch production of superplastic forming becomes practical.

Drawings

FIG. 1 is a schematic structural view of the rapid prototyping 5083 aluminum automotive part superplastic mold;

FIG. 2 is a schematic view of the structure of the forming die;

fig. 3 is a schematic structural view of the rapid prototyping male die.

The device comprises a forming female die, a rapid forming male die, a 3-air inlet, a 4-air outlet, a 5-guide structure, a 6-sealing structure, a 7-hoisting structure, an 8-mounting structure and a 9-temperature measuring hole, wherein the forming female die is arranged at 1 part, the rapid forming male die is arranged at 2 part, and the temperature measuring hole is arranged at 9 part.

Detailed Description

The preferred embodiments of the present invention are provided in the following description with reference to the accompanying drawings, which are only preferred embodiments of the present invention, and certainly do not limit the scope of the utility model.

Example 1

As shown in figure 1, the superplastic mold structure for quickly forming 5083 aluminum automobile parts comprises a forming female mold 1 and a quick forming male mold 2; the automobile part is a fender of a certain type;

as shown in fig. 2, the forming female die 1 is of an integrated structure and is provided with an air inlet 3; the air inlet 3 is communicated with an air source through a metal pipeline;

as shown in fig. 3, the rapid prototyping male die 2 is of an integrated structure and is provided with an exhaust hole 4; the exhaust hole 4 is arranged at the last filling reaching part, and the aperture is smaller than 1 mm; the rapid forming male die 2 is provided with a sealing structure 6 at the contact part with the material plate, and the sealing structure 6 is a sealing groove;

a guide structure 5 is arranged between the forming female die 1 and the rapid forming male die 2, and the guide structure 5 is a die orifice direct guide structure;

preferably, the forming female die 1 and the rapid forming male die 2 are both provided with mounting structures 8, and the mounting structures 8 are mounting structures of U-shaped grooves matched with bolts;

preferably, the forming female die 1 and the rapid forming male die 2 are both provided with hoisting structures 7; the hoisting structure 7 is formed by connecting a hoisting ring and a die through threads; it should be noted that, if the mold is heavy, the mold may be provided with a hoisting hole to be hoisted by using a round bar, or the hoisting structure may be directly cast on the mold.

The forming female die 1 and the rapid forming male die 2 are both provided with temperature measuring holes 9; a thermocouple is inserted in the temperature measuring hole 9.

The process comprises the following steps:

placing the plate above the forming female die 1, and making the plate and the forming female die oppositely move at a proper temperature; firstly, a plate material is contacted with a sealing groove on a forming female die 1, a rapid forming male die 2 moves downwards to be contacted with the plate material, and the plate material is formed downwards to a certain height until the sealing groove of the rapid forming male die 2, the plate material and the sealing groove of the forming female die 1 are completely attached to finish the rapid forming process; after the rapid forming male die 2 and the flitch form a closed space, pressurizing and air-feeding an air inlet 3 of the forming female die 1, moving the rapid forming male die 2 with the same size as a product to an expanding arc surface and then reversely pressurizing to enable the plate to be attached to the molded surface of the rapid forming male die 2; and finally, the superplastic forming bottom material flows towards two sides in advance, the round corner part of the rapid forming male die 2 is firstly attached to the die during reverse pressurization, and then thinning is small, so that the formed wall thickness is relatively uniform, and the superplastic forming of the fender is completed.

Although particular implementations of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a 5083 aluminium car finished piece superplastic mould structure of rapid prototyping, includes shaping die (1) and rapid prototyping terrace die (2), its characterized in that:

the forming female die (1) is of an integrated structure and is provided with an air inlet (3); the air inlet (3) is communicated with an air source through a metal pipeline;

the rapid forming male die (2) is of an integrated structure and is provided with an exhaust hole (4); the exhaust hole (4) is arranged at the last filling reaching part, and the aperture is smaller than 1 mm.

2. The rapid prototyping 5083 aluminum automotive part superplastic mold structure of claim 1 wherein: and a sealing structure (6) is arranged at the contact part of the rapid forming male die (2) and the material plate.

3. The rapid prototyping 5083 aluminum automotive part superplastic mold structure of claim 2, wherein: the sealing structure (6) is a sealing convex rib or a sealing groove.

4. The rapid prototyping 5083 aluminum automotive part superplastic mold structure of claim 1 wherein: a guide structure (5) is arranged between the forming female die (1) and the rapid forming male die (2); the guide structure (5) is a direct die orifice guide structure.

5. The rapid prototyping 5083 aluminum automotive part superplastic mold structure of claim 1 wherein: and the forming female die (1) and the rapid forming male die (2) are both provided with mounting structures (8).

6. The rapid prototyping 5083 aluminum automotive part superplastic mold structure of claim 5, wherein: the mounting structure (8) is a blank holder groove matched pressure plate mounting structure or a U-shaped groove matched bolt mounting structure.

7. The rapid prototyping 5083 aluminum automotive part superplastic mold structure of claim 1 wherein: and the forming female die (1) and the rapid forming male die (2) are both provided with hoisting structures (7).

8. The rapid prototyping 5083 aluminum automotive part superplastic mold structure of claim 1 wherein: the forming female die (1) and the rapid forming male die (2) are both provided with temperature measuring holes (9).