Extrusion shaping die for metal profile

Abstract

The utility model discloses an extrusion forming die for metal section bars, which comprises an upper die plate and a lower die plate, the upper die plate is connected to one side of the lower die plate, the upper die plate is provided with a feeding cavity and a shunting cavity, the lower die plate is provided with a forming cavity and an output cavity, and the feeding cavity, the shunting cavity, the forming cavity and the output cavity are sequentially connected along the extrusion direction. A plurality of heat dissipation extension pieces are arranged on the outer side of the lower die plate, a flow dividing male die block is arranged in the flow dividing cavity, a first screw hole is formed in the side, close to the lower die plate, of the flow dividing male die block, a forming male die block is arranged in the forming cavity, a second screw hole matched with the first screw hole is formed in the forming male die block, and the forming male die block abuts against the side, close to the lower die plate, of the flow dividing male die block. Locking screws are connected into the first screw hole and the second screw hole, a conical guide part is arranged on the side, close to the flow dividing male die block, of the forming male die block, and the radius of the conical guide part is gradually increased in the extrusion direction. According to the extrusion forming device, the extrusion forming efficiency is remarkably improved, and the quality of manufactured metal profiles is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to extrusion die technical field, in particular to a kind of extrusion sizing die of metal profile. BACKGROUND

[0002] In metal processing industry, the extrusion forming of metal profile is a common and important production process.

[0003] Traditional metal profile extrusion die is usually composed of simple upper die plate and lower die plate, and plastic metal is extruded and formed by cavity in the die. However, such traditional die has several shortcomings. First, the heat dissipation performance of the die is poor, which leads to slow cooling forming speed of plastic metal in the die, affecting the efficiency of extrusion forming; in addition, due to the unreasonable design of the cavity in the die, plastic metal is prone to uneven filling, insufficient forming density and other problems during extrusion, which affects the quality of metal profile. SUMMARY

[0004] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides an extrusion sizing die of metal profile, which has high extrusion forming efficiency, uniform filling effect and good forming tightness.

[0005] According to the extrusion sizing die of metal profile of the utility model embodiment, the upper die plate is connected to one side of the lower die plate, the upper die plate is provided with a feeding cavity and a shunt cavity, the lower die plate is provided with a forming cavity and an output cavity, the feeding cavity, the shunt cavity, the forming cavity and the output cavity are connected in sequence along the extrusion direction, the length of the forming cavity is greater than the length of the output cavity, the outer side of the lower die plate is provided with a plurality of heat dissipation epitaxial elements, the shunt cavity is provided with a shunt convex module, the side of the shunt convex module close to the lower die plate is provided with a first screw hole, the forming cavity is provided with a forming convex module, the forming convex module is provided with a second screw hole matched with the first screw hole, the forming convex module abuts against the side of the shunt convex module close to the lower die plate, the first screw hole and the second screw hole are connected with a locking screw, the side of the forming convex module close to the shunt convex module is provided with a conical guide portion, and the radius of the conical guide portion gradually increases along the extrusion direction.

[0006] According to the extrusion sizing die of metal profile of some embodiments of the utility model, the side of the lower die plate close to the upper die plate is provided with a positioning groove, and the side of the upper die plate close to the lower die plate is provided with a positioning block, and the positioning block is clamped in the positioning groove.

[0007] According to the extrusion sizing die of metal profile of some embodiments of the utility model, the positioning groove is provided with a plurality of positioning grooves, and the number of the positioning blocks is equal to the number of the positioning grooves.

[0008] According to the extrusion sizing die of metal profile of some embodiments of the utility model, the positioning groove is a rectangular groove, and the positioning block is a cuboid.

[0009] According to the extrusion and shaping die of the metal profile according to some embodiments of the present application, the distance between the flow distribution punch block and the flow distribution cavity is a flow distribution width, the distance between the shaping punch block and the shaping cavity is a shaping width, and the flow distribution width is greater than the shaping width.

[0010] According to the extrusion and shaping die of the metal profile according to some embodiments of the present application, a circular guide corner is arranged at the edge of the end of the flow distribution punch block away from the shaping punch block.

[0011] According to the extrusion and shaping die of the metal profile according to some embodiments of the present application, the heat dissipation extension pieces are in a sheet shape, and a plurality of heat dissipation extension pieces are arranged, and all the heat dissipation extension pieces are uniformly distributed around the lower die plate.

[0012] According to the extrusion and shaping die of the metal profile according to the embodiments of the present application, at least the following beneficial effects are achieved: by arranging a plurality of heat dissipation extension pieces on the outer side of the lower die plate, the cooling and shaping speed of the plastic metal in the shaping cavity and the output cavity is effectively improved, not only the efficiency of the extrusion and shaping is significantly improved, but also the metal profile has appropriate hardness and strength when being output, the shaping punch block is designed to be detachable, the shaping punch block is locked on the flow distribution punch block through locking screws, so that the die can replace the shaping punch block with different shapes and specifications according to actual needs, without replacing the whole die, the versatility and flexibility of the die are greatly improved, and the production cost and period are reduced; the conical guide part is designed on the shaping punch block, the plastic metal can be more uniformly filled in the shaping cavity through the guidance and compression of the conical guide part, the shaping density and tightness are improved, and the quality of the metal profile is good.

[0013] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, with reference to the following drawings, in which:

[0015] Fig. 1 FIG. 1 is a perspective view of an extrusion and shaping die of a metal profile according to an embodiment of the present application;

[0016] Fig. 2 FIG. 2 is a schematic view of the internal structure of the extrusion and shaping die of the metal profile according to the embodiment of the present application;

[0017] Fig. 3 FIG. 3 is an exploded view of the extrusion and shaping die of the metal profile according to the embodiment of the present application;

[0018] FIG. 4 is a schematic view of the internal structure of the extrusion and shaping die of the metal profile according to the embodiment of the present application;Fig. 4 It is the exploded structural schematic view of the metal profile extrusion forming die of the utility model embodiment in another view.

[0019] Reference signs:

[0020] Upper die plate 1, feeding cavity 11, distribution cavity 12, distribution punch block 13, first screw hole 14, positioning block 15;

[0021] Lower die plate 2, forming cavity 21, output cavity 22, heat dissipation extension piece 23, forming punch block 24, conical guide part 241, second screw hole 25, locking screw 26, positioning groove 27. DETAILED DESCRIPTION

[0022] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme in the utility model embodiment will be described clearly and completely in the following with reference to the drawings in the utility model embodiment. Obviously, the following described embodiments are only 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 belong to the protection scope of the utility model.

[0023] In the description of the utility model, it should be understood that when one component is considered to be "connected" to another component, it can be directly connected to the other component or there can be a component arranged in the middle. When one component is considered to be "arranged on" another component, it can be directly arranged on the other component or there can be a component arranged in the middle.

[0024] In addition, the terms "long", "short", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model, and do not indicate or imply that the device or element referred to must have this specific orientation, be constructed in this specific orientation to operate, and cannot be understood as a limitation of the utility model.

[0025] In the related art, the metal profile extrusion die is usually composed of a simple upper die plate and a lower die plate, and the plastic metal is extruded and formed through the cavity in the die. However, this kind of traditional die has several shortcomings. First, the heat dissipation performance of the die is poor, which leads to slow cooling forming speed of the plastic metal in the die, affecting the efficiency of extrusion forming; second, the structural design of the die is relatively simple, and cannot flexibly adapt to the processing needs of metal profiles of different specifications and shapes, and the whole set of die needs to be replaced, increasing the production cost and cycle, and due to the unreasonable design of the cavity in the die, the plastic metal is prone to uneven filling and insufficient forming density during extrusion, affecting the quality of the metal profile.

[0026] The technical scheme of the utility model is further illustrated below in combination with the drawings and by specific embodiments.

[0027] With reference to Figs. 1 to 4 The utility model discloses a metal profile's extrusion sizing mould, including upper die plate 1 and lower die plate 2, upper die plate 1 is connected to one side of lower die plate 2, upper die plate 1 is equipped with feeding cavity 11 and shunt cavity 12, lower die plate 2 is equipped with forming cavity 21 and output cavity 22, and the cavity diameter of forming cavity 21 and output cavity 22 gradually increases, feeding cavity 11, shunt cavity 12, forming cavity 21 and output cavity 22 are connected in proper order along the extrusion direction, and feeding cavity 11, shunt cavity 12, forming cavity 21 and output cavity 22 are communicated in proper order, and the length of forming cavity 21 is greater than the length of output cavity 22, and the outside of lower die plate 2 is equipped with a plurality of heat dissipation epitaxial parts 23, which can effectively improve the cooling forming speed of plastic metal in forming cavity 21 and output cavity 22, not only can effectively improve the extrusion forming efficiency, but also can avoid affecting the quality due to the plasticity of the just output metal profile being too strong by cooperating with the output cavity 22 long enough, shunt convex module 13 is equipped in shunt cavity 12, first screw hole 14 is equipped on the side of shunt convex module 13 close to lower die plate 2, first screw hole 14 is the blind hole only through the side of shunt convex module 13 close to lower die plate 2, forming convex module 24 is equipped in forming cavity 21, second screw hole 25 matched with first screw hole 14 is equipped in forming convex module 24, and forming convex module 24 is abutted on the side of shunt convex module 13 close to lower die plate 2, the same locking screw 26 is connected in first screw hole 14 and second screw hole 25, and locking screw 26 is threadedly connected in second screw hole 25 and first screw hole 14 in proper order, so that the position of forming convex module 24 in shunt convex module 13 is locked, and the locking screw 26 can be unscrewed according to actual use demand to replace the forming convex module 24 of different shape specifications, so as to meet the processing demand of different profiles, and the plastic metal reaches the space between forming cavity 21 and forming convex module 24 after passing through shunt cavity 12 from feeding cavity 11, so as to become the corresponding shape, the side of forming convex module 24 close to shunt convex module 13 is equipped with conical guide part 241, and the radius of conical guide part 241 gradually increases along the extrusion direction, so as to guide and compress the plastic metal into forming cavity 21, so as to effectively improve the forming density, and the corresponding conical guide part 241 of different specifications of forming convex module 24 is different structure, which can improve the universality while ensuring the tightness of extrusion forming.

[0028] By setting several heat dissipation extension pieces 23 on the outer side of the lower die plate 2, the cooling forming speed of the plastic metal in the forming cavity 21 and the output cavity 22 is effectively improved, not only the efficiency of the extrusion forming is significantly improved, but also the metal profile has appropriate hardness and strength when output, avoiding the problem of affecting the quality due to excessive plasticity, the detachable forming punch block 24 is designed, the forming punch block 24 is locked on the shunt punch block 13 through the locking screw 26, so that the mold can replace the forming punch block 24 of different shape specifications according to actual needs, without replacing the whole mold, greatly improving the versatility and flexibility of the mold, reducing the production cost and cycle; the conical guide part 241 is designed on the forming punch block 24, the plastic metal can be more uniformly filled in the forming cavity 21 through the guidance and compression of the conical guide part 241, the forming density and tightness are improved, and the quality of the metal profile is good, at the same time, the forming punch block 24 of different specifications corresponds to different conical guide part 241 structures, ensuring that the extrusion forming effect of different metal profiles can meet the expected requirements.

[0029] It can be understood that the side close to the upper die plate 1 of the lower die plate 2 is provided with a positioning groove 27, and the side close to the lower die plate 2 of the upper die plate 1 is provided with a positioning block 15, the positioning block 15 is clamped in the positioning groove 27, and the positioning effect between the upper die plate 1 and the lower die plate 2 can be improved through the positioning block 15 and the positioning groove 27, thereby effectively improving the stability of the overall structure of the extrusion die.

[0030] It can be understood that the positioning groove 27 is provided with a plurality of positioning grooves, and the number of the positioning blocks 15 is equal to the number of the positioning grooves 27, each positioning block 15 is clamped and connected in each corresponding positioning groove 27, and all the positioning grooves 27 are uniformly distributed around the first screw hole 14, which can effectively improve the uniformity of the interaction force between the upper die plate 1 and the lower die plate 2, thereby effectively improving the stability of the overall structure of the extrusion die.

[0031] It can be understood that the positioning groove 27 is a rectangular groove, and the positioning block 15 is a cuboid, and the square positioning structure can effectively improve the stability of the positioning effect.

[0032] It can be understood that the shunt punch block 13 and the upper die plate 1 are connected through the support sheet, the opposite ends of the support sheet are connected with the outer wall of the shunt punch block 13 and the inner wall of the shunt cavity 12 respectively, the average distance between the shunt punch block 13 and the shunt cavity 12 is the shunt width, the average distance between the forming punch block 24 and the forming cavity 21 is the forming width, and the shunt width is greater than the forming width, thereby effectively ensuring that the plastic metal reaching the forming cavity 21 from the shunt cavity 12 can obtain the effect of extrusion forming.

[0033] It can be understood that the one end edge of the flow distribution punch module 13 away from the forming punch module 24 is provided with a circular guide angle, which can form a good flow guide effect and improve the flowability of the plastic metal.

[0034] It can be understood that the heat dissipation extension piece 23 is in a sheet shape, the sheet structure can improve the heat dissipation performance of a single heat dissipation extension piece 23 and set as many heat dissipation extension pieces 23 as possible, the heat dissipation extension piece 23 is provided with a plurality of heat dissipation extension pieces, and all the heat dissipation extension pieces are uniformly distributed around the lower die plate 2, which can effectively improve the uniformity of heat dissipation and effectively improve the output shaping effect.

[0035] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. An extrusion profiling die for a metal profile, characterized in that, The utility model relates to a mould, including upper template (1) and lower template (2), one side of upper template (1) is connected to lower template (2), upper template (1) is equipped with feed cavity (11) and shunt cavity (12), lower template (2) is equipped with forming cavity (21) and output cavity (22), feed cavity (11), shunt cavity (12), forming cavity (21) and output cavity (22) are connected in proper order along extrusion direction, the length of forming cavity (21) is greater than the length of output cavity (22), the outside of lower template (2) is equipped with a plurality of heat dissipation outer extension parts (23), shunt convex die module (13) is equipped in shunt cavity (12), first screw hole (14) is equipped in the side of shunt convex die module (13) close to lower template (2), forming convex die module (24) is equipped in forming cavity (21), second screw hole (25) is equipped in forming convex die module (24) and matches first screw hole (14), forming convex die module (24) is abutted on the side of shunt convex die module (13) close to lower template (2), locking screw (26) is connected in first screw hole (14) and second screw hole (25), the side of forming convex die module (24) close to shunt convex die module (13) is equipped with conical guide portion (241), the radius of conical guide portion (241) gradually increases along extrusion direction.

2. A metal profile extrusion calibrating die according to claim 1, characterized in that, The side of lower template (2) close to upper template (1) is equipped with positioning groove (27), the side of upper template (1) close to lower template (2) is equipped with positioning block (15), positioning block (15) is clamped in positioning groove (27).

3. A metal profile extrusion calibrating die according to claim 2, characterized in that The positioning groove (27) is equipped with multiple, the number of positioning block (15) is equal to the number of positioning groove (27).

4. A metal profile extrusion calibrating die according to claim 3, characterized in that The positioning groove (27) is rectangular groove, and the positioning block (15) is cuboid.

5. A metal profile extrusion calibrating die according to claim 1, characterized in that, The distance between the shunt convex die module (13) and the shunt cavity (12) is the shunt width, the distance between the forming convex die module (24) and the forming cavity (21) is the forming width, and the shunt width is greater than the forming width.

6. A metal profile extrusion calibrating die according to claim 1, characterized in that, The end edge of the shunt convex die module (13) away from the forming convex die module (24) is provided with a circular guide corner.

7. A metal profile extrusion calibrating die according to claim 1, characterized in that, The heat dissipation outer extension part (23) is sheet-shaped, and a plurality of heat dissipation outer extension parts (23) are provided, and all the heat dissipation outer extension parts are uniformly distributed around the lower template (2).

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