Die for extrusion of aluminum alloy
By introducing mounting blocks, guide cores, die cores, and mounting holes into the aluminum alloy extrusion die, and combining them with the use of fixing screws and limit nuts, the problems of complicated die component installation and difficult disassembly are solved, enabling rapid installation and stable connection of die components, and reducing production costs and maintenance difficulties.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG HUIYUE MOLD CO LTD
- Filing Date
- 2025-07-21
- Publication Date
- 2026-07-14
AI Technical Summary
The installation of key components such as the die core and guide core of existing aluminum alloy extrusion dies with the die body is usually done by welding or interference fit, which makes the installation process cumbersome and time-consuming, and makes disassembly difficult when replacing parts, increasing production costs and maintenance difficulty.
The design incorporates mounting blocks, guide cores, mold cores, and mounting holes. The mounting blocks, guide cores, and mold cores are quickly fixed using a No. 1 fixing screw and a limit nut. Simultaneously, a No. 2 fixing screw and a mounting nut ensure a stable connection between the discharge mold and the working mold. Combined with the limit groove and guide frame, this enhances installation stability.
It simplifies the installation process of mold components, reduces production costs, improves the convenience and efficiency of mold maintenance, and reduces the difficulty of disassembly.
Smart Images

Figure CN224487187U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of extrusion die technology, specifically to a die for extruding aluminum alloys. Background Technology
[0002] Aluminum alloy extrusion dies are key equipment in the aluminum alloy extrusion molding process. They can extrude aluminum alloy billets heated to a plastic state through die orifices of specific shapes and structures into various aluminum alloy profiles with specific cross-sectional shapes, dimensions and performance requirements. However, the installation of key components such as the die core and guide core of some existing dies with the die body is usually done by welding or interference fit, which makes the installation process cumbersome and time-consuming. Moreover, when it is necessary to replace the parts, disassembly is extremely difficult, which increases production costs and the difficulty of die maintenance. Utility Model Content
[0003] The purpose of this utility model is to provide a mold for aluminum alloy extrusion, so as to solve the problem mentioned in the background art that the installation of key components such as the mold core and guide core of some existing molds with the mold body is usually done by welding or interference fit, which makes the installation process cumbersome and time-consuming. Moreover, when it is necessary to replace the parts, the disassembly is extremely difficult, which increases the production cost and the difficulty of mold maintenance.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a die for extruding aluminum alloy, comprising:
[0005] Outer mold sleeve;
[0006] The working mold is installed at one end of the outer mold sleeve;
[0007] The welding chamber is located at one end of the working mold;
[0008] The working zone is located inside the welding chamber.
[0009] The flow divider is located inside the outer mold sleeve. One end of the flow divider has an installation groove, and the interior of the flow divider has multiple flow divider holes at equal intervals.
[0010] The mounting block is installed inside the mounting groove. A guide core is fixed to one side of the mounting block, and a mold core is provided on the side of the guide core away from the mounting block.
[0011] The discharge mold is installed at the end of the working mold away from the outer mold sleeve.
[0012] As a preferred embodiment of this utility model, it further includes a first fixing screw, which is equidistantly fixed inside the mounting groove. The mounting block, the guide core, and the mold core are all provided with multiple mounting holes equidistantly arranged inside to cooperate with the first fixing screw. A limit nut is installed on the outer thread of the first fixing screw.
[0013] As a preferred embodiment of this utility model: one end of the working mold is fixedly connected to a guide frame, and one end of the discharge mold is provided with a limiting groove that cooperates with the guide frame.
[0014] As a preferred embodiment of this utility model: a plurality of fixed support blocks are fixedly connected at equal intervals to one end of the working mold, a second fixing screw is fixedly connected to one side of the fixed support block, a plurality of fixed bottom grooves that cooperate with the fixed support blocks are opened at equal intervals to one end of the discharge mold, a through hole that cooperates with the second fixing screw is opened inside the fixed bottom groove, and an installation nut is installed on the second fixing screw.
[0015] As a preferred embodiment of this utility model: a connecting ring is fixedly connected to one end of the working mold, and a connecting groove that mates with the connecting ring is opened at one end of the outer mold sleeve.
[0016] As a preferred embodiment of this utility model: a plurality of positioning blocks are fixedly connected at equal intervals at one end of the working mold, a plurality of positioning grooves that cooperate with the positioning blocks are opened at equal intervals at one end of the outer mold sleeve, and a connecting mold is fixedly connected to the other end of the outer mold sleeve.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model, by setting up mounting blocks, guide cores, mold cores, and mounting holes, realizes the installation of each No. 1 fixing screw with the mounting holes in the mounting blocks, guide cores, and mold cores. The mounting blocks are installed in the mounting groove for limiting installation. The limiting nut is installed on the outside of the No. 1 fixing screw to fix the installation position of the mounting blocks, guide cores, and mold cores, making it convenient to replace the mounting blocks, guide cores, and mold cores. By setting up a No. 2 fixing screw and mounting nut, each fixing support block is matched with the fixing bottom groove. The No. 2 fixing screw passes through the through hole in the fixing bottom groove, and the mounting nut is threaded on the outside of the No. 2 fixing screw to fix the discharge mold at one end of the working mold. The limiting groove matches the guide frame, and together with the guide core and mold core, it guides the extrusion of aluminum alloy. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the internal structure of the working mold of this utility model;
[0019] Figure 2 This is a schematic diagram of the material discharge mold structure of this utility model;
[0020] Figure 3 This is a schematic diagram of the mold core installation of this utility model;
[0021] Figure 4 This is a schematic diagram showing the disassembly of the mounting block, guide core, and mold core of this utility model;
[0022] Figure 5 This is a schematic diagram of the flow divider structure of this utility model.
[0023] In the diagram: 1. Outer mold sleeve; 2. Connecting mold; 3. Working mold; 4. Diverter component; 5. Diverter hole; 6. Mounting groove; 7. Positioning groove; 8. Positioning block; 9. Mounting block; 10. Guide core; 11. Mold core; 12. First fixing screw; 13. Mounting hole; 14. Limiting nut; 15. Guide frame; 16. Limiting groove; 17. Fixing support block; 18. Second fixing screw; 19. Connecting groove; 20. Discharge mold; 21. Fixing bottom groove; 22. Through hole; 23. Mounting nut; 24. Working belt; 25. Welding chamber; 26. Connecting ring. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figures 1 to 5 This utility model provides a technical solution: a die for extruding aluminum alloy, comprising: an outer die sleeve 1; a working die 3 installed at one end of the outer die sleeve 1 by bolts; a welding chamber 25 opened at one end of the working die 3; a working belt 24 opened inside the welding chamber 25; a flow divider 4 fixedly connected to the inner side of the outer die sleeve 1, one end of the flow divider 4 having an installation groove 6, and a plurality of flow divider holes 5 equally spaced inside the flow divider 4; an installation block 9 installed inside the installation groove 6, a guide core 10 welded and fixed to one side of the installation block 9, and a die core 11 welded and fixed to the side of the guide core 10 away from the installation block 9; and a discharge die 20 installed at the end of the working die 3 away from the outer die sleeve 1.
[0026] It should be noted that in this embodiment, the mounting block 9 and the mounting groove 6 are positioned by the cooperation between each No. 1 fixing screw 12 and the mounting hole 13. The No. 1 fixing screw 12 passes through the mounting hole 13 inside the mounting block 9, the guide core 10, and the mold core 11. The limiting nut 14 is installed on the outer thread of the No. 1 fixing screw 12, thereby fixing the mounting block 9, the guide core 10, the mold core 11, and the diverter 4. The multiple positioning blocks 8 at one end of the working mold 3 and the multiple positioning grooves 7 opened on one side of the outer mold sleeve 1 are connected. The working mold 3 and the outer mold sleeve 1 are stably installed together with bolts. The fixed bottom grooves 21 opened at one end of the discharge mold 20 are positioned and installed with the fixed support block 17. The second fixing screw 18 passes through the through hole 22. The mounting nut 23 is installed on the outside of the second fixing screw 18 for limiting. The guide frame 15 and the limiting groove 16 cooperate to stably connect the discharge mold 20 and the working mold 3. The working mold 3 and the discharge mold 20 cooperate with the mold core 11. The aluminum alloy is shaped and extruded through the working mold 3, the discharge mold 20 and the mold core 11.
[0027] Flat washers and spring washers can be placed between the first fixing screw 12 and the mounting block 9, and between the limiting nut 14 and the mold core 11, respectively. The flat washers can increase the contact area and reduce the pressure, while the spring washers can prevent the nuts from loosening. When the second fixing screw 18 passes through the through hole 22 to install the mounting nut 23, a suitable shim is placed at the contact surface between the second fixing screw 18 and the discharge mold 20 to distribute the pressure and prevent excessive local stress.
[0028] In one embodiment, such as Figures 3 to 5 As shown, it also includes a first fixing screw 12, which is welded and fixed inside the mounting groove 6 at equal intervals. The mounting block 9, the guide core 10 and the mold core 11 are all provided with multiple mounting holes 13 that mate with the first fixing screw 12 at equal intervals. The outer thread of the first fixing screw 12 is fitted with a limit nut 14.
[0029] It should be noted that in this embodiment, the first fixing screw 12 passes through the mounting holes 13 opened in the mounting block 9, the guide core 10 and the mold core 11, and is installed on the outer thread of the first fixing screw 12 by the limiting nut 14, thereby fixing the mounting position of the mounting block 9, the guide core 10 and the mold core 11.
[0030] In one embodiment, such as Figures 2 to 4 As shown, a guide frame 15 is fixedly connected to one end of the working mold 3, and a limiting groove 16 that cooperates with the guide frame 15 is opened at one end of the discharge mold 20.
[0031] It should be noted that in this embodiment, the guide frame 15 cooperates with the limiting groove 16 at one end of the discharge mold 20 to improve the stability of the discharge mold 20 and the working mold 3 after installation.
[0032] In one embodiment, such as Figures 1 to 4 As shown, a plurality of fixed support blocks 17 are fixedly connected at equal intervals at one end of the working mold 3. A second fixing screw 18 is fixedly connected to one side of the fixed support block 17. A plurality of fixed bottom grooves 21 that cooperate with the fixed support blocks 17 are opened at equal intervals at one end of the discharge mold 20. A through hole 22 that cooperates with the second fixing screw 18 is opened inside the fixed bottom groove 21. An installation nut 23 is installed on the second fixing screw 18.
[0033] It should be noted that in this embodiment, multiple fixed bottom grooves 21 at one end of the discharge mold 20 cooperate with the fixed support block 17, and the second fixing screw 18 passes through the through hole 22. The discharge mold 20 and the working mold 3 are installed and fixed by the installation nut 23 on the outer thread of the second fixing screw 18.
[0034] In one embodiment, such as Figure 1 , Figure 2 and Figure 5 As shown, a connecting ring 26 is fixedly connected to one end of the working mold 3, and a connecting groove 19 that mates with the connecting ring 26 is opened at one end of the outer mold sleeve 1.
[0035] It should be noted that in this embodiment, the connecting ring 26 and the connecting groove 19 cooperate to improve the installation stability between the outer mold sleeve 1 and the working mold 3.
[0036] In one embodiment, such as Figure 1 , Figure 2 and Figure 5 As shown, one end of the working mold 3 is fixedly connected with multiple positioning blocks 8 at equal intervals, one end of the outer mold sleeve 1 is provided with multiple positioning grooves 7 that cooperate with the positioning blocks 8 at equal intervals, and the other end of the outer mold sleeve 1 is fixedly connected with a connecting mold 2.
[0037] It should be noted that in this embodiment, the positioning blocks 8 at one end of the working mold 3 cooperate with the multiple positioning slots 7 at one end of the outer mold sleeve 1 for positioning, which facilitates the installation between the outer mold sleeve 1 and the working mold 3.
[0038] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0039] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.
[0040] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A die for extruding aluminum alloy, characterized in that, include: Outer mold sleeve (1); The working mold (3) is installed at one end of the outer mold sleeve (1); Welding chamber (25) is located at one end of the working mold (3); The working strip (24) is located inside the welding chamber (25); Diverter (4) is provided on the inner side of the outer mold sleeve (1). One end of the diverter (4) is provided with an installation groove (6). Multiple diverter holes (5) are provided at equal intervals inside the diverter (4). Mounting block (9) is installed inside mounting groove (6). A guide core (10) is fixed to one side of the mounting block (9). A mold core (11) is provided on the side of the guide core (10) away from the mounting block (9). The discharge mold (20) is installed at the end of the working mold (3) away from the outer mold sleeve (1).
2. The aluminum alloy extrusion die according to claim 1, characterized in that: It also includes a first fixing screw (12), which is fixedly connected at equal intervals inside the mounting groove (6). The mounting block (9), the guide core (10) and the mold core (11) are all provided with multiple mounting holes (13) that cooperate with the first fixing screw (12) at equal intervals. The outer thread of the first fixing screw (12) is fitted with a limit nut (14).
3. The aluminum alloy extrusion die according to claim 1, characterized in that: One end of the working mold (3) is fixedly connected to a guide frame (15), and one end of the discharge mold (20) is provided with a limiting groove (16) that cooperates with the guide frame (15).
4. The aluminum alloy extrusion die according to claim 1, characterized in that: One end of the working mold (3) is fixedly connected with a plurality of fixed support blocks (17) at equal intervals. A second fixing screw (18) is fixedly connected to one side of the fixed support block (17). One end of the discharge mold (20) is provided with a plurality of fixed bottom grooves (21) that cooperate with the fixed support blocks (17). The inside of the fixed bottom groove (21) is provided with a through hole (22) that cooperates with the second fixing screw (18). An installation nut (23) is installed on the second fixing screw (18).
5. The aluminum alloy extrusion die according to claim 1, characterized in that: One end of the working mold (3) is fixedly connected to a connecting ring (26), and one end of the outer mold sleeve (1) is provided with a connecting groove (19) that mates with the connecting ring (26).
6. The aluminum alloy extrusion die according to claim 1, characterized in that: One end of the working mold (3) is fixedly connected with multiple positioning blocks (8) at equal intervals, and one end of the outer mold sleeve (1) is provided with multiple positioning grooves (7) that cooperate with the positioning blocks (8) at equal intervals. The other end of the outer mold sleeve (1) is fixedly connected with a connecting mold (2).