CN211161734U - Copper-aluminum composite radiator die - Google Patents

Abstract

The utility model provides a copper aluminium composite heat radiator mould, includes foraminiferous last mould and bed die, goes up the guide cooperation through guiding hole and guide post between mould and the bed die and realizes opening and shutting, the bed die include upper module and the bed die that from top to bottom stack and establish, upper module center be equipped with the embedding piece, bed die center open and to have the ejector pad to insert the through-hole that removes under supplying, embedding piece center open and to have the aluminium cake that corresponds with the through-hole and put into the hole, lower ejector pad bottom connect power device, open the ejector pad top down has the constant head tank that supplies the copper base plate to put into, before the compound die, put into the constant head tank and place the aluminium cake in the putting into of copper base plate top downthehole, counterpoint from top to bottom through guiding hole and guide post and realize the compound die to the shaping is exerted pressure through lower ejector pad. The upper ejector block is used for positioning the copper substrate and pressing, forging and pressing, the structure is simple and reasonable, the copper substrate and the aluminum plate can be compounded and extruded to form teeth at one time, the copper substrate is positioned through the upper ejector block, a positioning part is not needed to be additionally arranged, and the cost is saved.

Description

Copper-aluminum composite radiator die

Technical Field

The utility model relates to a mould technical field especially relates to a power device radiator mould.

Background

As is known to all, the radiator is an important component of a power device, and the traditional radiator mould can only process some aluminum alloy radiators made of single materials. With the increasing power of electronic devices, the requirements for the heat dissipation performance of heat sinks are higher and higher. The copper-aluminum composite radiator fully combines the quick heat conduction capability of copper and the quick heat dissipation capability of aluminum, the heat dissipation capability is further improved, and the copper-aluminum composite radiator is more and more favored by the market. The current processing mode of the copper-aluminum composite radiator is to open a notch for placing a copper block on an aluminum alloy radiator in advance, fix the copper block in the notch by a special fixture and forge and press the copper block into a whole. Not only the process is complicated, the productivity is low, the copper-aluminum junction surface is not sufficient, and the heat dissipation capability is influenced.

Disclosure of Invention

The utility model aims to provide a copper aluminium composite heat radiator mould that one shot forming, production efficiency are high, copper aluminium combine more abundant to the defect that prior art exists.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a copper aluminium composite heat radiator mould, includes foraminiferous last mould and bed die, goes up the guide cooperation through guiding hole and guide post between mould and the bed die and realizes opening and shutting, the bed die include upper module and the bed die that from top to bottom stack and establish, upper module center be equipped with the piece of inlaying, lower module center open and to have the confession down the kicking block and insert the through-hole that removes, the piece center of inlaying open and to have the aluminium cake that corresponds with the through-hole and put into the hole, lower kicking block bottom connect power device, the top of kicking block is opened down has the constant head tank that supplies the copper base plate to put into the constant head tank and place the aluminium cake in the putting into of copper base plate top downthehole, counterpoint from top to bottom through guiding hole and guide post and realize the compound die to exert pressure the shaping through kicking block down.

As an improvement: the upper die comprises an upper die body, a small hole lower plate and a large hole upper plate which are arranged in the upper die body, wherein small through holes and large through holes are respectively formed in the centers of the small hole lower plate and the large hole upper plate corresponding to the hole placing areas, and large slotted holes are formed in the upper die body corresponding to the large through hole areas.

As an improvement: the upper surface of the copper substrate is provided with mortise and tenon grooves.

As an improvement: the embedded block is in a shape of an excircle, an inner square, a small upper part and a big lower part, and is in interference fit with the upper module.

The utility model has the advantages that: at first the utility model discloses an go up kicking block location copper base plate and exert pressure forging and pressing processing etc. aluminum plate puts into through the embedding piece, can set up the embedding piece according to the size of radiator heat conduction base and put into the hole, only need change the embedding piece and need not to change whole mould, and the mould can be washd comprehensively, and simple structure is reasonable and can once only accomplish copper base plate and aluminum plate complex and extrusion tooth again, and the copper base plate need not to set for the position piece in addition through last kicking block location, practices thrift the cost.

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of the copper-aluminum composite heat sink die of the present invention.

Fig. 2 is a sectional view of the copper-aluminum composite heat sink die of the utility model.

Fig. 3 is an explosion schematic diagram of the copper-aluminum composite radiator mould before mould closing.

Fig. 4 is a schematic diagram of the die assembly of the copper-aluminum composite radiator die.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, fig. 4, the utility model relates to an embodiment of copper aluminium composite heat sink mould, including foraminiferous last mould A and bed die B, go up the guide cooperation through guiding hole 10 and guide post 11 between mould A and the bed die B and realize opening and shutting, bed die B including last module B1 and bed die B2 of overlapping from top to bottom, last module B1 center be equipped with embedded block 5, bed die B2 center open and have the through-hole that supplies under the kicking block 3 to insert the removal, embedded block 5 center open and have the aluminium cake 9 that corresponds with the through-hole and put into hole 6, kicking block 3 bottom connect power device down, open at kicking block 3 top down has the constant head tank 7 that supplies copper base plate 8 to put into, this embodiment adopts to open at the upper surface of copper base plate 8 and has the mortise in order to improve copper aluminium base plate's complex fastness and connectivity. The upper die A comprises an upper die body A3, a small-hole lower plate A2 and a large-hole upper plate A1 which are arranged in the upper die body A3, the centers of the small-hole lower plate A2 and the large-hole upper plate A1 are respectively provided with a small through hole and a large through hole corresponding to the area of the placing hole 6, and the upper die body A3 is provided with a large slot hole 4 corresponding to the area of the large through hole. The design can effectively prevent the die sticking phenomenon when the product is taken out, and can effectively avoid the problems of column breakage and column deviation during extrusion and demoulding. Between aperture hypoplastron A2, macropore upper plate A1 and last mould body A3, all through the hexagon socket head cap screwed connection in the screwed hole between last module B1 and the lower module B2, from this, realized mutual seamless connection promptly, convenient replacement part again. The embedded block of this embodiment is the excircle inside square, has both guaranteed the radiator base plate shape, has realized better atress again, and big end down's embedded block and last module interference fit are not pulled out the damage when the protection is moved back the mould. After the upper die A and the lower die B are combined, the positioning groove 7, the placing hole 6, the small hole lower plate A2 small through hole area and the large hole upper plate A1 large through hole area are communicated.

Before die assembly, a copper substrate 8 with a mortise and tenon groove face upwards is placed into a positioning groove 7, an aluminum cake 9 is placed in a placing hole 6 above the copper substrate 8, the upper die assembly and the lower die assembly are guided through a guide hole 10 and a guide column 11, pressure is applied and forging is carried out through a power device below a lower ejection block, the aluminum cake 9 is stressed and deformed to fill the aluminum cake placing hole 6, a heat conduction base is formed, a copper substrate placing area is tightly wrapped, and copper and aluminum are compounded. And extruding the mixture from the small through hole area and the large through hole area to form a heat dissipation column, forming at one step, and forging and pressing to obtain the finished product copper-aluminum composite radiator. Because the copper substrate of this embodiment is mortise and tenon copper substrate, pack 2 mortise and tenon grooves 21 of mortise and tenon copper substrate rapidly when the aluminium cake shape warp into heat conduction base, form the mortise and tenon structure, compound copper aluminium, copper aluminium complex is more firm, and the radiating effect is higher.

The utility model discloses can realize copper aluminium composite heat radiator one-time forging and pressing shaping, improve production efficiency. And during processing, the aluminum cakes placed in the holes 6 are deformed to wrap the copper substrate, so that the combination is more sufficient, and the heat dissipation effect is better.

Although the present invention has been described with reference to the specific embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides a copper aluminium composite heat radiator mould, includes foraminiferous last mould (A) and bed die (B), goes up and realizes opening and shutting its characterized in that through the guide cooperation of guiding hole (10) and guide post (11) between mould (A) and the bed die (B): the lower die (B) comprises an upper die block (B1) and a lower die block (B2) which are vertically overlapped, an embedded block (5) is arranged at the center of the upper die block (B1), a through hole for inserting and moving a lower ejector block (3) is formed in the center of the lower die block (B2), an aluminum cake (9) corresponding to the through hole is arranged in the center of the embedded block (5), a power device is connected to the bottom of the lower ejector block (3), a positioning groove (7) for placing a copper substrate (8) is formed in the top of the lower ejector block (3), the copper substrate (8) is placed into the positioning groove (7) and the aluminum cake (9) is placed in the placing hole (6) above the copper substrate (8) before die assembly, die assembly is achieved by vertically aligning the guide hole (10) and the guide column (11), and pressure forming is achieved through the lower ejector block.

2. The copper-aluminum composite radiator mould as recited in claim 1, characterized in that: the upper die (A) comprises an upper die body (A3), a small-hole lower plate (A2) and a large-hole upper plate (A1) which are arranged in the upper die body (A3), the centers of the small-hole lower plate (A2) and the large-hole upper plate (A1) are respectively provided with a small through hole and a large through hole corresponding to the area of the placing hole (6), and the upper die body (A3) is provided with a large groove hole (4) corresponding to the area of the large through hole.

3. The copper-aluminum composite radiator mould as claimed in claim 1 or 2, wherein: the upper surface of the copper substrate (8) is provided with mortise and tenon grooves.

4. The copper-aluminum composite radiator mould as claimed in claim 1 or 2, wherein: the embedded block (5) is in the shape of an outer circle, an inner square and a big end down, and the embedded block (5) is in interference fit with the upper module (B1).

5. The copper-aluminum composite radiator mould as recited in claim 3, characterized in that: the embedded block (5) is in the shape of an outer circle, an inner square and a big end down, and the embedded block (5) is in interference fit with the upper module (B1).

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