Multi-male-head hard aluminum alloy extrusion die

Abstract

The utility model discloses a multi-male-head hard aluminum alloy extrusion die, which comprises an upper die and a lower die, the upper die comprises an upper die main body, the upper die main body is provided with a feeding hole, the upper die main body is provided with a first shunting frame and a second shunting frame at the feeding hole, the first shunting frame is positioned at the outer side of the second shunting frame, and the lower die is positioned at the outer side of the second shunting frame. An upper mold core is arranged at one end of the second flow dividing frame, and a plurality of strip-shaped grooves are formed in the upper mold core; the lower die comprises a lower die body, the lower die body is provided with a lower die core matched with the upper die core, and a discharging hole is formed in the position, located at the lower die core, of the lower die body. According to the utility model, the first shunting frame is positioned on the outer side of the second shunting frame, the feeding hole is divided into a plurality of shunting holes by the first shunting frame, the plurality of shunting holes can ensure the uniformity of feeding, and the plurality of shunting holes can accommodate more aluminum flow and maintain the balance of the aluminum flow; and the first flow dividing frame is concavely arranged from outside to inside, so that the feeding is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aluminium alloy extrusion die, specifically a multi -male hard aluminum alloy extrusion die. BACKGROUND

[0002] Extrusion die is a kind of metal processing equipment, and metal material can become a specific shape after extrusion through die, so as to facilitate use, along with the continuous development of science and technology, people's manufacturing process requirements for extrusion die are also higher and higher.

[0003] The utility model discloses a high -efficient hard aluminum alloy extrusion die, the outer wall of lower die is provided with heat dissipation mechanism, the upper end outer surface of lower die is provided with upper die, the upper end outer surface of upper die is opened with screw mounting hole, the lower end outer surface of upper die is provided with connecting mechanism, the heat dissipation mechanism includes graphite layer, metal layer and protection layer, the outer wall of graphite layer is provided with metal layer, the outer wall of metal layer is provided with protection layer, the connecting mechanism includes ball, positioning column and spring;It is provided with heat dissipation mechanism and connecting mechanism, can provide good heat dissipation for lower die, thereby prolonging the service life of lower die, the connection between die can be more stable and the precision between die can be improved, so that the product produced is more delicate, and better use prospect is brought.

[0004] Although the prior art improves the heat dissipation performance of the die, it is inconvenient to add material, and the strength of the die is relatively low, therefore, we provide a multi -male hard aluminum alloy extrusion die. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a multi -male hard aluminum alloy extrusion die to solve the problems in the prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a multi -male hard aluminum alloy extrusion die, including upper die and lower die, the upper die includes upper die main body, the upper die main body is set with first shunt frame and second shunt frame at feed hole, the first shunt frame is located at the outside of second shunt frame, the second shunt frame one end is provided with upper die core, the upper die core is set with a plurality of strip recesses;The lower die includes lower die main body, the lower die main body is provided with lower die core that cooperates with upper die core, and the lower die main body is set with discharge hole at lower die core.

[0007] Preferably, the lower die core is provided with a limiting protrusion for limiting the upper die core.

[0008] Preferably, the second flow distribution frame is a rectangular frame structure, and the first flow distribution frame is arranged at six positions.

[0009] Preferably, the first flow distribution frame is arranged in a concave manner from outside to inside.

[0010] Preferably, the discharge hole is gradually increased in size from inside to outside, and the cross-sectional shape of the discharge hole is a square.

[0011] Preferably, the lower mold body is provided with a guide hole and a mold lifting hole.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The first flow distribution frame is arranged at the outside of the second flow distribution frame, the first flow distribution frame divides the feeding hole into a plurality of flow distribution holes, the plurality of flow distribution holes can ensure the uniformity of feeding, and the plurality of flow distribution holes can accommodate more aluminum flow to maintain the balance of aluminum flow; the first flow distribution frame is arranged in a concave manner from outside to inside, and feeding is more convenient.

[0014] 2. The first flow distribution frame is arranged at six positions, the six first flow distribution frames are arranged at the corners of the rectangular frame structure and the middle of the long side of the rectangular frame structure, the first flow distribution frame is arranged in a concave manner from outside to inside, and the first flow distribution frame and the second flow distribution frame enhance the strength of the mold. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0016] Figure 1 It is a structure schematic view of the upper mold of the utility model;

[0017] Figure 2 It is a structure schematic view of the utility model Figure 1 from the rear perspective;

[0018] Figure 3 It is a structure schematic view of the lower mold of the utility model;

[0019] Figure 4 It is a structure schematic view of the utility model.

[0020] In the drawings: 11, upper mold body; 12, first flow distribution frame; 13, second flow distribution frame; 14, feeding hole; 15, upper mold core; 16, strip-shaped groove; 21, lower mold body; 22, lower mold core; 23, limiting protrusion; 24, discharge hole. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

[0022] Please refer to Figures 1-4 In the utility model embodiment, a multi-male hard aluminum alloy extrusion die comprises an upper die and a lower die, the upper die comprises an upper die main body 1, the upper die main body 1 is provided with a feeding hole 14, the upper die main body 1 is provided with a first shunt frame 12 and a second shunt frame 13 at the feeding hole 14, the first shunt frame 12 is located outside the second shunt frame 13, the first shunt frame 12 divides the feeding hole 14 into a plurality of shunt holes, the plurality of shunt holes can ensure the uniformity of feeding, and the plurality of shunt holes can accommodate more aluminum flow, maintaining the balance of aluminum flow, one end of the second shunt frame 13 is provided with an upper die core 15, the upper die core 15 is provided with a plurality of strip-shaped grooves 16, the second shunt frame 13 is a rectangular frame structure, the first shunt frame 12 is provided with six, the six first shunt frames 12 are distributed at the corners of the rectangular frame structure and the middle of the long side of the rectangular frame structure, the first shunt frame 12 is concave from outside to inside, the first shunt frame and the second shunt frame enhance the strength of the die, the first shunt frame 12 is concave from outside to inside, and feeding is more convenient.

[0023] The lower die comprises a lower die main body 21, the lower die main body 21 is provided with a lower die core 22 matched with the upper die core 15, the lower die main body 21 is provided with a discharging hole 24 at the lower die core 22, the lower die core 22 is provided with a limiting protrusion 23 limiting the upper die core 15, the discharging hole 24 is gradually increased in size from inside to outside, facilitating discharging, the cross section of the discharging hole 24 is a square, the lower die main body 21 is provided with a guide hole and a die lifting hole.

[0024] The utility model discloses a working principle is: the upper die main body 1 is located at the feed hole 14 and is provided with first shunt frame 12 and second shunt frame 13, first shunt frame 12 is located at the outside of second shunt frame 13, and first shunt frame 12 divides the feed hole 14 into a plurality of shunt holes, and a plurality of shunt holes can guarantee the uniformity of feeding, and a plurality of shunt holes can accommodate more aluminum flow, and maintain the balance of aluminum flow, and first shunt frame 12 is concave from outside to inside, and feeding is more convenient.

[0025] Finally, it should be noted that: the above only for the preferred embodiments of the utility model and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A multi-pin hard aluminum alloy extrusion die comprising an upper die and a lower die, characterized in that: The upper die comprises an upper die body (1) provided with a feeding hole (14), a first flow distribution frame (12) and a second flow distribution frame (13) at the feeding hole (14), the first flow distribution frame (12) is located outside the second flow distribution frame (13), the second flow distribution frame (13) is provided with an upper die core (15) at one end, and the upper die core (15) is provided with a plurality of strip-shaped grooves (16). The lower die comprises a lower die body (21) provided with a lower die core (22) matched with the upper die core (15), and the lower die body (21) is provided with a discharging hole (24) at the lower die core (22).

2. A multi-male hard aluminum alloy extrusion die according to claim 1, characterized in that: The lower die core (22) is provided with a limiting protrusion (23) for limiting the upper die core (15).

3. A multi-male hard aluminum alloy extrusion die according to claim 1, characterized in that: The second flow distribution frame (13) is a rectangular frame structure, and six first flow distribution frames (12) are arranged at the corners of the rectangular frame structure and the middle of the long sides of the rectangular frame structure.

4. A multi-male hard aluminum alloy extrusion die according to claim 1, characterized in that: The first flow distribution frame (12) is concave from outside to inside.

5. A multi-male hard aluminum alloy extrusion die according to claim 1, characterized in that: The discharging hole (24) is gradually increased in size from inside to outside, and the cross-sectional shape of the discharging hole (24) is a square.

6. A multi-male hard aluminum alloy extrusion die according to claim 1, characterized in that: The lower die body (21) is provided with a guide hole and a die lifting hole.

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