CN111299423A

CN111299423A - Thermal forming die

Info

Publication number: CN111299423A
Application number: CN202010137884.0A
Authority: CN
Inventors: 朱炳哲; 李才富
Original assignee: Suzhou Baoyulai Intelligent Equipment Co ltd
Current assignee: Suzhou Baoyulai Intelligent Equipment Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-06-19

Abstract

The invention discloses a thermal forming die, which comprises an upper die holder and a lower die holder; the upper die base is provided with a power source, a pressing block and an upper die driving block, the pressing block is positioned at the end part of the power source, the upper die driving block is provided with a forming block, the upper die driving block is positioned on one side of the pressing block, and the upper die driving block is provided with an inclined plane; the lower die base is provided with an insert and a lower die driving block, the insert corresponds to the pressing block in position, the insert is a convex structural body and is matched with the forming block, the lower die driving block corresponds to the upper die driving block in position, and an inclined plane is arranged on the lower die driving block. The die drawing device is simple in structure and convenient and fast to assemble, the press block is matched with the insert to press the sheet metal part, and the upper die driving block is matched with the lower die driving block to realize small-angle die drawing of the sheet metal part, so that the phenomena of indentation, drawing mark and the like are avoided, and the quality of a product is improved.

Description

Thermal forming die

Technical Field

The invention belongs to the technical field of forming dies, and particularly relates to a thermal forming die.

Background

The hot forming material part is derived from higher and higher requirements on the collision safety of automobiles, and simultaneously, the limit on the carbon dioxide emission of the automobiles is more and more strict. Therefore, a way to achieve a lighter weight and stronger automotive part production process using a thermoforming mold must be found.

At present, because people to the gradual improvement of automobile appearance and quality demand, automobile parts's complexity also promotes thereupon, also slowly increase the demand of quality, thereby also slowly improve to thermoforming mould's requirement, but current thermoforming mould structure is comparatively complicated, when carrying out the small-angle drawing die of panel beating part, lead to the panel beating part to appear the indentation easily, draw phenomenons such as trace, lead to traditional thermoforming mould can not satisfy the demand of current spare part development, consequently, need a thermoforming mould.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides a thermal forming die to solve the problems in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: a thermal forming die comprises an upper die base and a lower die base; the upper die base is provided with a power source, a pressing block and an upper die driving block, the pressing block is positioned at the end part of the power source, the upper die driving block is provided with a forming block, the upper die driving block is positioned on one side of the pressing block, and the upper die driving block is provided with an inclined plane; the lower die base is provided with an insert and a lower die driving block, the insert corresponds to the pressing block in position, the insert is a convex structural body and is matched with the forming block, the lower die driving block corresponds to the upper die driving block in position, and an inclined plane is arranged on the lower die driving block.

In a preferred embodiment of the invention, the power source is a nitrogen spring, and the pressing block is positioned on the nitrogen spring.

In a preferred embodiment of the present invention, the upper die driving block is provided with a reset structure, the reset structures are distributed at intervals along the length direction of the upper die driving block, and the reset structure can drive the upper die driving block to perform lateral displacement.

In a preferred embodiment of the present invention, the reset structure includes a fixing base, a reset spring located on the fixing base, and a fixing block located at the other end of the reset spring, and the fixing block is matched with the upper die base.

In a preferred embodiment of the present invention, the upper mold driving block is connected to the upper mold base by a screw.

In a preferred embodiment of the present invention, an upper mold guide plate is disposed on the inclined surface of the upper mold driving block, a lower mold guide plate is disposed on the inclined surface of the lower mold driving block, and the upper mold guide plate is engaged with the lower mold guide plate.

The invention solves the defects in the background technology, and has the following beneficial effects:

according to the invention, the power source, the pressing block and the upper die driving block are arranged on the upper die base, the insert and the lower die driving block are arranged on the lower die base, the structure is simple, the assembly is convenient, the pressing block is matched with the insert to compress the sheet metal part, and then the upper die driving block is matched with the lower die driving block to realize small-angle die drawing of the sheet metal part, so that the phenomena of indentation, drawing mark and the like can not occur, and the product quality is improved.

Drawings

The invention is further explained below with reference to the figures and examples;

FIG. 1 is a schematic overall structure of a preferred embodiment of the present invention;

FIG. 2 is a partial schematic structural view of a preferred embodiment of the present invention;

FIG. 3 is a cross-sectional view of a preferred embodiment of the present invention;

in the figure: 1. an upper die holder; 2. a power source; 3. briquetting; 4. an upper die driving block; 5. a lower die holder; 6. an insert; 7. a lower die driving block; 8. a reset structure; 81. a fixed seat; 82. a return spring; 83. a fixed block; 9. an upper die guide plate; 10. a lower die guide plate; 11. and (4) screws.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.

As shown in fig. 1 to 3, a thermal forming mold includes an upper mold base 1 and a lower mold base 5; the upper die base 1 is provided with a power source 2, a pressing block 3 and an upper die driving block 4, the pressing block 3 is positioned at the end part of the power source 2, the upper die driving block 4 is provided with a forming block, the upper die driving block 4 is positioned at one side of the pressing block 3, and the upper die driving block 4 is provided with an inclined plane; the lower die base 5 is provided with an insert 6 and a lower die driving block 7, the insert 6 corresponds to the press block 3 in position, the insert 6 is a convex structural body, the insert 6 is matched with the forming block, the lower die driving block 7 corresponds to the upper die driving block 4 in position, and the lower die driving block 7 is provided with an inclined surface.

In this embodiment, the number of the upper die driving block 4, the lower die driving block 7 and the number of the forming blocks are two and are respectively located on two sides of the insert 6, the upper die base 1 is gradually close to the lower die base 5 under the action of an external press, in the process, the nitrogen spring is compressed to become a power source 2 to drive the press block 3 to press down, so that the press block 3 is gradually close to the insert 6, and the sheet metal part is located on the insert 6, so that the press block 3 can be matched with the insert 6 to compress the sheet metal part, meanwhile, the upper die base 1 drives the upper die driving block 4 to gradually close to the lower die driving block 7 through the screw 11, after the upper die guide plate 9 is contacted with the lower die guide plate 10, since the upper die guide plate 9 and the lower die guide plate 10 are both provided with inclined surfaces, the upper die driving block 4 will move transversely to drive the forming blocks to move, since the insert 6 is, the realization is to the small-angle drawing die of sheet metal component, and after the operation was accomplished, upper die base 1 broke away from with die holder 5, and nitrogen spring resets, drives briquetting 3 and resets, and goes up mould drive block 4 and under 8 effects of reset structure, accomplishes the operation that resets.

Specifically, the reduction structure 8 includes fixing base 81, be located reset spring 82 on fixing base 81 and be located the fixed block 83 of the reset spring 82 other end, fixed block 83 cooperates with upper die base 1, when closing the mould, it drives reset spring 82 through fixing base 81 to go up mould drive block 4 and compresses, make reset spring 82 have certain compression capacity, thereby after the die sinking, under reset spring 82 effect, it accomplishes the operation that resets to go up mould drive block 4, at this in-process, fixed block 83 cooperates with upper die base 1 all the time, guarantee the fixed of reset spring 82 one end, thereby guarantee that reset spring 82 can compress smoothly and reset.

In this embodiment, be equipped with the hole site on the upper die base 1, and screw 11 is connected with last mould drive block 4 through the hole site, and when last mould drive block 4 carried out lateral motion, screw 11 can move in the hole site is synchronous, can not cause the interference to the lateral motion of last mould drive block 4.

In this embodiment, the reset structures 8 are distributed along the length direction of the upper die driving block 4 at intervals, the reset structures 8 can drive the upper die driving block 4 to perform transverse displacement, and the number of the reset structures 8 is in a proportional relation with the length of the upper die driving block 4.

Specifically, go up mould guide 9 on the inclined plane of mould drive block 4, be provided with lower mould guide 10 on the inclined plane of lower mould drive block 7, go up mould guide 9 and the cooperation of lower mould guide 10, after last mould guide 9 and lower mould guide 10 contact, because all be provided with the inclined plane on last mould guide 9 and the lower mould guide 10, and lower mould drive block 7 is fixed on die holder 5, so under the mating reaction on two inclined planes, can realize the lateral motion of mould drive block 4, accomplish the small-angle drawing die to the sheet metal component.

In summary, the upper die holder 1 is provided with the power source 2, the pressing block 3 and the upper die driving block 4, the lower die holder 5 is provided with the insert 6 and the lower die driving block 7, the structure is simple, the assembly is convenient, the pressing block 3 is matched with the insert 6 to compress a sheet metal part, and then the upper die driving block 4 is matched with the lower die driving block 7 to realize small-angle die drawing of the sheet metal part, so that phenomena such as indentation and drawing marks can not occur, and the quality of products is improved.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A thermal forming die comprises an upper die base and a lower die base; it is characterized in that the preparation method is characterized in that,

the upper die base is provided with a power source, a pressing block and an upper die driving block, the pressing block is positioned at the end part of the power source, the upper die driving block is provided with a forming block, the upper die driving block is positioned on one side of the pressing block, and the upper die driving block is provided with an inclined plane;

the lower die base is provided with an insert and a lower die driving block, the insert corresponds to the pressing block in position, the insert is a convex structural body and is matched with the forming block, the lower die driving block corresponds to the upper die driving block in position, and an inclined plane is arranged on the lower die driving block.

2. A thermoforming mould as claimed in claim 1, characterised in that the power source is a nitrogen spring on which the said press block is located.

3. A thermoforming mould as claimed in claim 1, wherein the upper mould driving block is provided with resetting structures, the resetting structures are distributed at intervals along the length direction of the upper mould driving block, and the resetting structures can drive the upper mould driving block to perform lateral displacement.

4. A thermoforming mould as claimed in claim 3, wherein the said reset structure comprises a fixed base, a reset spring located on the said fixed base and a fixed block located at the other end of the said reset spring, the said fixed block cooperates with the said upper die base.

5. A thermoforming mould as claimed in claim 1, characterised in that the upper die drive block is connected to the upper die base by screws.

6. A thermoforming mould as claimed in claim 1, characterised in that the upper mould driving block is provided with an upper mould guide plate on its inclined surface, the lower mould driving block is provided with a lower mould guide plate on its inclined surface, and the upper mould guide plate cooperates with the lower mould guide plate.