Aluminum profile mold for heat dissipation channel

Abstract

The utility model discloses a heat dissipation channel aluminum profile die, and belongs to the technical field of aluminum extrusion dies. The mold comprises a mold body, an upper mold and a lower mold; the upper die comprises shunting holes and shunting back holes, the shunting holes are connected with the shunting back holes through shunting bridges, and the upper die further comprises a die core; the lower die comprises a welding chamber, a water blocking table and a through hole. According to the heat dissipation channel aluminum profile die, the design of direct feeding through the back holes in the ribs is adopted, the flow dividing back holes are smoothly connected with the lower clearance slope of the die core, the strength of the die is effectively guaranteed, the feeding efficiency is improved to the maximum extent, uniform flowing of aluminum alloy materials in the die can be guaranteed through the feeding mode, and the service life of the die is prolonged. And the design of a large water blocking table of a welding chamber of the outer cavity of the shunting hole and large inclined protection outside the mold core is adopted, so that the overall strength of the mold core is enhanced, meanwhile, external material supply is reduced, balance of internal material supply is achieved, the durability of the mold is improved, the service life is prolonged, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium extrusion die technical field, especially a kind of heat dissipation channel aluminium profile die. BACKGROUND

[0002] With the rapid development of aluminium industry, aluminium profile is increasingly widely used in various fields, especially in the design and manufacture of radiator, closed radiator gradually becomes the mainstream of market due to its superior heat dissipation performance and beautiful appearance. However, this kind of radiator is generally designed as aluminium profile with complex channel structure to realize more efficient heat dissipation effect. This type of material structure is very complex, and die design and processing are extremely difficult, and the qualified rate and service life are not high.

[0003] In prior art, die design usually relies on simple feeding mode, leading to problems such as uneven material flow, finished product defect rate and the like in the use process of die. In addition, complex profile structure has higher strength requirement for die, and die is prone to deformation or damage when bearing pressure, thereby affecting production efficiency and product quality, therefore, it is particularly important to develop a new type of heat dissipation channel aluminium profile die design method. For this purpose, we propose a kind of heat dissipation channel aluminium profile die. SUMMARY

[0004] The utility model aims at providing a kind of heat dissipation channel aluminium profile die to solve the uneven material flow, die strength requirement difficult to achieve and the like in the use process of existing microchannel aluminium flat tube extrusion die.

[0005] To solve the above technical problems, the utility model provides a kind of heat dissipation channel aluminium profile die, including die body, the die body includes upper die, and the lower die of setting in the one side of upper die;

[0006] The upper die includes a plurality of shunt holes opened in its outer surface, and a plurality of shunt back holes are arranged on one side of the shunt hole, the shunt hole and the shunt back hole are connected by shunt bridge, the upper die further includes a hollow cutter arranged on the inner surface of its side facing the lower die, and a die core is arranged on one side of the hollow cutter;

[0007] The lower die includes a welding chamber arranged on one side of the die core, and a water blocking table is opened on the surface of the welding chamber.

[0008] Preferably, the shunt back hole includes a water guide hole arranged in the interior thereof.

[0009] Preferably, the welding chamber is closed corresponding to the shunt hole.

[0010] Preferably, the die core includes a flow blocking bag arranged on one side thereof, and the flow blocking bag is designed as inclined protection, and the inclination angle of the inclined surface is 30 to 40 degrees.

[0011] Preferably, the water blocking platform is in the shape of a rectangular box, and four corners thereof are cut off, thereby forming a convex structure.

[0012] Preferably, the water blocking platform cooperates with the flow blocking bag to balance the flow rate in the heat dissipation tooth and the water blocking platform when the upper and lower molds are combined.

[0013] Compared with the prior art, the heat dissipation channel aluminum profile mold has the following beneficial effects:

[0014] 1. The heat dissipation channel aluminum profile mold adopts the design of feeding directly through the back hole in the rib, so that the shunt back hole is connected with the lower empty tool slope of the mold core, which not only effectively ensures the strength of the mold, but also maximally improves the feeding efficiency. This feeding mode can ensure the uniform flow of aluminum alloy material in the mold, and reduce the product defects caused by uneven feeding.

[0015] 2. The heat dissipation channel aluminum profile mold adopts the large water blocking platform of the shunt hole outer cavity welding chamber and the large inclined protection design of the mold core outside, which enhances the overall strength of the mold core, reduces the external feeding, and achieves the balance of internal feeding. This design helps to improve the durability of the mold, prolong the service life, and reduce the maintenance cost.

[0016] 3. The heat dissipation channel aluminum profile mold adopts the design of the back hole bridge under the water guide hole, which effectively protects the mold core under the bridge and avoids the deviation of the mold core caused by material pressure in the production process. This design significantly improves the stability of the mold, thereby improving the uniformity and qualification rate of the product. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of a heat dissipation channel aluminum profile mold provided by the utility model;

[0018] Figure 2 is a structural schematic view of another angle of a heat dissipation channel aluminum profile mold provided by the utility model;

[0019] Figure 3 is a structural schematic view of the upper mold in the heat dissipation channel aluminum profile mold provided by the utility model;

[0020] Figure 4 is Figure 3 a sectional view at E-E in the heat dissipation channel aluminum profile mold;

[0021] Figure 5 is Figure 3 a sectional view at F-F in the heat dissipation channel aluminum profile mold;

[0022] Figure 6 is a structural schematic view of the inclination angle of the flow blocking bag.

[0023] In the figure: 1, die body; 2, upper die; 3, lower die; 201, shunt hole; 202, shunt back hole; 202a, water guide hole; 203, shunt bridge; 204, empty knife; 205, mold core; 205a, resistance flow package; 301, welding chamber; 302, water resistance platform. DETAILED DESCRIPTION

[0024] The utility model will be made further detailed description below combining with the drawings and specific embodiment. According and the claim book, the advantages and features of the utility model will be more clear. It is explained that, the drawings all adopt very simplified form and all use non-precise proportion, just to facilitate, clear and assist the purpose of the utility model embodiment.

[0025] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0026] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, or electrically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances. EMBODIMENT

[0027] The utility model provides a kind of heat dissipation channel aluminum profile mould, please refer to Figures 1-3, including the mold body 1, the mold body 1 including the upper mold 2, and the lower mold 3 arranged on one side of the upper mold 2; the upper mold 2 including a plurality of shunt holes 201 opened on the outer surface thereof, and a plurality of shunt back holes 202 arranged on one side of the shunt holes 201, the shunt holes 201 and the shunt back holes 202 being connected through a shunt bridge 203, the upper mold 2 further including a hollow 204 arranged on the inner surface thereof towards the lower mold 3, and a mold core 205 arranged on one side of the hollow 204; the lower mold 3 including a welding chamber 301 arranged on one side of the mold core 205, and a water blocking table 302 opened on the surface of the welding chamber 301.

[0028] As shown in Figure 4 and Figure 5 , the shunt back hole 202 includes a water guide hole 202a arranged inside; the welding chamber 301 is closed corresponding to the shunt hole 201; the mold core 205 includes a flow blocking package 205a arranged on one side thereof, the flow blocking package 205a being designed as an inclined protection, the inclination angle of the inclined surface being 30 to 40 degrees, as shown in Figure 6 ; the water blocking table 302 is in the shape of a rectangular box, and four corners thereof are in a cut-off state, thereby forming a convex structure; the water blocking table 302 cooperates with the flow blocking package 205a to balance the flow rate in the heat dissipation tooth and the water blocking table 302 when the upper and lower molds are combined.

[0029] It should be noted that in the embodiment, the upper mold 2 and the lower mold 3 are fixedly connected by inserting a pin into a pin hole, the mold body 1 is made of H13 mold steel, and the specific material is 4Cr5MoSiV1, and the chemical composition thereof is as follows: carbon (C): 0.32-0.45%, silicon (Si): 0.80-1.20%, manganese (Mn): 0.20-0.50%, sulfur (S): ≤0.030%, phosphorus (P): ≤0.030%, chromium (Cr): 4.75-5.50%, vanadium (V): 0.80-1.20%, molybdenum (Mo): 1.10-1.75%. As a kind of high-speed tool steel, the mold made of this material has excellent wear resistance, heat resistance and corrosion resistance, can withstand a large impact force during use, and can maintain a long service life, and is very suitable for the use environment of the mold.

[0030] Preferably, the shunt hole 201 is provided with ten, around and through the shunt back hole 202 four around, four each, left and right one, the shunt back hole 202 has three, the inside is provided with a water guide hole 202a, the water guide hole is through to the mold core 205, the mold core 205 can change the forming shape of aluminum profile by wire cutting processing, the knife edge of the empty knife 204 is outwardly around the mold core 205, the empty knife 204 can change the fluid dynamics characteristics in the mold, promote the flow of aluminum liquid, make it more evenly fill the mold cavity, the mold core 205 is divided into multiple core heads by the reinforcing rib, these ribs can provide additional strength and rigidity, avoid deformation or damage in the high pressure extrusion process.

[0031] Preferably, the resistance package 205a is fixed on one side of the empty knife 204, the inclined protection design can effectively balance the fluid flow rate, the resistance package 205a and the water resistance platform 302 are combined when the upper and lower molds are combined, which can balance the flow rate of the heat dissipation tooth and the water resistance platform 302.

[0032] In summary, the heat dissipation channel aluminum profile mold adopts the design of feeding directly through the rib inside back hole, so that the shunt back hole is connected with the slope of the empty knife under the mold core, which not only effectively ensures the strength of the mold, but also maximizes the feeding efficiency. This feeding method can ensure the uniform flow of aluminum alloy material in the mold, reduce the defects of finished products caused by uneven feeding, and adopt the large water resistance platform of the outer cavity welding chamber of the shunt hole and the large inclined protection design of the mold core, which enhances the overall strength of the mold core, reduces the external feeding, and achieves the balance of internal feeding. This design helps to improve the durability of the mold, prolong the service life and reduce the maintenance cost. In addition, the design of the back hole bridge under the water guide hole also effectively protects the mold core under the bridge, avoids the deviation of the mold core caused by material pressure during production. This design significantly improves the stability of the mold, thereby improving the uniformity and qualification rate of the product.

[0033] The above description is only a description of the preferred embodiment of the utility model, and does not limit the scope of the utility model. Any modification made by the person skilled in the art according to the above disclosure is within the protection scope of the claims.

Claims

1. A heat dissipation channel aluminum profile mold, characterized in that, include, Mold body (1), the mold body (1) includes an upper mold (2) and a lower mold (3) disposed on one side of the upper mold (2); The upper mold (2) includes a plurality of flow-diverting holes (201) opened on its outer surface, and a plurality of flow-diverting back holes (202) disposed on one side of the flow-diverting holes (201). The flow-diverting holes (201) and the flow-diverting back holes (202) are connected by a flow-diverting bridge (203). The upper mold (2) also includes a hollow cutter (204) disposed on its inner surface facing the lower mold (3), and a mold core (205) disposed on one side of the hollow cutter (204). The lower mold (3) includes a welding chamber (301) disposed on one side of the mold core (205) and a water-blocking platform (302) formed on the surface of the welding chamber (301).

2. The heat dissipation channel aluminum profile mold as described in claim 1, characterized in that, The diversion back hole (202) includes a water inlet hole (202a) disposed therein.

3. The heat dissipation channel aluminum profile mold as described in claim 1, characterized in that, The welding chamber (301) is closed in relation to the diversion hole (201).

4. The heat dissipation channel aluminum profile mold as described in claim 1, characterized in that, The mold core (205) includes a flow-blocking package (205a) disposed on one side thereof. The flow-blocking package (205a) is designed with an oblique protection, and the oblique surface has an inclination angle of 30 to 40 degrees.

5. The heat dissipation channel aluminum profile mold as described in claim 3, characterized in that, The water-blocking platform (302) is rectangular in shape, and its four corners are cut off, thus forming a raised structure.

6. The heat dissipation channel aluminum profile mold as described in claim 4, characterized in that, The water-blocking platform (302) cooperates with the flow-blocking package (205a) to balance the flow rate between the heat dissipation teeth and the water-blocking platform (302) when the upper and lower molds are combined.

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