Aluminum profile mold

By designing connecting shafts, limiting posts, and limiting plates, the aluminum profile mold core can be quickly disassembled and assembled, solving the problem of long mold replacement time and improving production efficiency and profile forming accuracy.

CN224463443UActive Publication Date: 2026-07-07GUANGDONG HUIYUE MOLD CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG HUIYUE MOLD CO LTD
Filing Date
2025-08-07
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

The existing aluminum profile extrusion molds require the entire mold to be disassembled when changing the mold core, resulting in long downtime and affecting production efficiency.

Method used

The design employs a connecting shaft, limiting post, and limiting plate to enable quick assembly and disassembly of the mold core. The cooperation between the limiting plate and the limiting notch ensures accurate installation of the mold core. The central shaft is pressed against the fixing nut to eliminate axial movement and ensure stable molding gap.

Benefits of technology

The mold core replacement time is shortened, which improves production flexibility and equipment utilization, ensures the accuracy of profile cross-section, and improves the stability of forming gap.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an aluminum profile mould, include: upper die, the middle part of upper die is equipped with the shunt hole, the side of upper die is fixedly connected with connecting shaft away from the shunt hole, the outside equidistance fixedly connected with a plurality of limit posts of connecting shaft, the outside of limit post is equipped with the limit notching, the outside of connecting shaft detachably installs the mould core, the outside of mould core is installed with the limit disc that is used for the fixed limit notching cooperation to connecting shaft, the utility model has the advantageous effects that: the mould core realizes quick assembly and disassembly through connecting shaft and limit disc, can replace profile structure such as adjusting thickness or internal support without disassembling whole mould, shortens the replacement time, and the production flexibility is improved significantly, through replacing mould core and limit disc, the same set of mould can produce multiple cross -section profiles such as square tube, round pipe, special profile, and the equipment utilization is improved, limit post and limit notching cooperate, ensure that the installation angle of mould core is accurate, avoid profile cross -section distortion.
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Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium alloy section mould technical field, concretely is a kind of aluminium alloy section mould. BACKGROUND

[0002] Aluminium alloy section extrusion mould is the core tool for aluminium alloy section extrusion forming process, its main function is to extrude aluminium alloy bar under the action of pressure, form the aluminium alloy section with specific cross-sectional shape.The design and manufacture of aluminium alloy section extrusion mould is a crucial link in the production process of aluminium alloy, the existing mould is shaped extrusion by mould core and mould hole cooperation, upper die and lower die are used in pairs, when different mould core extrusion needs to be realized, it needs to disassemble the whole mould to replace upper die, its disassembly operation time is longer, can prolong its downtime, influence the efficiency of corresponding process. SUMMARY

[0003] The utility model aims at providing a kind of aluminium alloy section mould to solve the problems presented in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of aluminium alloy section mould, comprising:

[0005] Upper die, the middle part of upper die is provided with shunt hole, the side of upper die away from shunt hole is fixedly connected with connecting shaft, the outer side of connecting shaft is equidistantly fixedly connected with a plurality of limit posts, the outer side of limit post is provided with limit notches, the outer side of connecting shaft is detachably installed with mould core, the outer side of mould core is installed with limit disc for fixing connecting shaft in cooperation with limit notches;

[0006] Lower die, lower die is placed in one side of the upper die, the middle part of lower die is provided with mould hole matched with mould core, and the mould hole and mould core form forming gap.

[0007] As preferred, the middle part of the connecting shaft is fixedly connected with a center shaft, and the end of the center shaft is provided with an external thread.

[0008] As preferred, one end of the mould core is provided with an assembly hole matched with the connecting shaft, the middle part of the mould core and the middle part of the limit disc are both provided with a through hole matched with the center shaft, and one end of the center shaft is threadedly connected with a fixing nut for pressing the limit disc.

[0009] As preferred, the middle part of the limit disc is symmetrically provided with two connecting holes, the inside of the connecting hole is installed with a fastener, and the fastener is threadedly connected with the mould core.

[0010] As preferred, a plurality of arc-shaped slots matched with the limiting column are equidistantly arranged in the middle of the limiting disc, and the end of the arc-shaped slot is clamped in the limiting notch when the fastener is threadedly connected with the mold core.

[0011] As preferred, the welding chamber is arranged on the side of the lower mold close to the upper mold.

[0012] As preferred, two positioning columns are fixedly connected to the side of the upper mold close to the lower mold, the middle of the lower mold is provided with a positioning hole matched with the positioning column, and the middle of the lower mold is provided with a mounting hole.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: the mold core is quickly disassembled and assembled through the connecting shaft and the limiting disc, the profile structure such as thickness or internal support can be replaced without disassembling the whole mold, the replacement time is shortened, the production flexibility is remarkably improved, a plurality of cross-section profiles can be produced by replacing the mold core and the limiting disc with the same set of mold, and the equipment utilization rate is improved; the limiting column is matched with the limiting notch, the installation angle of the mold core is ensured to be accurate, and the cross-section profile is prevented from being distorted; the center shaft penetrates through the mold core and the limiting disc, is pressed by the fixing nut, axial movement is eliminated, and the stability of the forming gap is ensured; the positioning column of the upper mold is inserted into the positioning hole of the lower mold, and the upper mold and the lower mold are quickly centered. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the combination of the utility model;

[0015] Figure 2 It is a position structural schematic view of the shunt hole of the utility model;

[0016] Figure 3 It is a structural schematic view of the welding chamber of the utility model;

[0017] Figure 4 It is a structural schematic view of the mold core of the utility model;

[0018] Figure 5 It is a structural schematic view of the limiting disc of the utility model;

[0019] Figure 6 It is an enlarged view of A of the utility model;

[0020] Figure 7 It is a structural schematic view of the assembly hole of the utility model.

[0021] In the drawing: 1, upper mold; 2, shunt hole; 3, lower mold; 4, mold hole; 5, positioning hole; 6, mounting hole; 7, welding chamber; 8, positioning column; 9, connecting shaft; 10, limiting column; 11, center shaft; 12, limiting notch; 13, mold core; 14, limiting disc; 15, arc-shaped slot; 16, connecting hole; 17, fastener; 18, fixing nut; 19, assembly hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figure 1 、 2 , 3, 4, 5, 6, 7, the utility model provides a technical scheme: a kind of aluminum profile mould, comprising: upper die 1, the middle part of upper die 1 is provided with shunt hole 2, shunt bridge is arranged between adjacent two shunt holes 2, the side of upper die 1 away from shunt hole 2 is fixedly connected with connecting shaft 9, multiple limit posts 10 are fixedly connected with the outside of connecting shaft 9 at equal intervals, limit notch 12 is formed in the outside of limit post 10, mold core 13 is detachably installed on the outside of connecting shaft 9, limit disc 14 for being used for the fixed limiting of connecting shaft 9 is installed on the outside of mold core 13 and cooperates with limit notch 12;Lower die 3 is placed in one side of upper die 1, the middle part of lower die 3 is provided with mold hole 4 matched with mold core 13, and mold hole 4 and mold core 13 form forming gap.

[0024] It should be noted that in the embodiment, upper die 1 is combined with lower die 3, and aluminum bar is extruded from one end of shunt hole 2, so that it enters the middle part of lower die 3 through shunt hole 2 and is extruded into shape in the gap formed by mold core 13 and mold hole 4. When the outside dimension size is unchanged, the thickness of profile or the structure of internal support part needs to be adjusted, the old mold core 13 is removed, then new mold core 13 is installed on connecting shaft 9, so that limit post 10 penetrates from the middle part of mold core 13, limit disc 14 is installed on the outside of limit post 10, and limit disc 14 is clamped in limit notch 12, so that mold core 13 is tightly connected with upper die 1.

[0025] In one embodiment, the middle part of connecting shaft 9 is fixedly connected with central shaft 11, the end of central shaft 11 is provided with external thread, one end of mold core 13 is provided with assembly hole 19 matched with connecting shaft 9, the middle part of mold core 13 and the middle part of limit disc 14 are both provided with through hole matched with central shaft 11, one end of central shaft 11 is threadedly connected with fixing nut 18, for pressing limit disc 14.

[0026] It should be noted that in this embodiment, the central shaft 11, the mounting hole 19, and the connecting shaft 9 are concentric. When the middle part of the central shaft 11 passes through the middle part of the mold core 13, the limiting post 10 passes through the corresponding through hole of the mold core 13, thereby limiting the angle of the mold core 13. The threaded connection between the fixing nut 18 and the central shaft 11 allows the fixing nut 18 to press the mold core 13 tightly against the outside of the mold core 13.

[0027] In one embodiment, two connecting holes 16 are symmetrically opened in the middle of the limiting plate 14. Fasteners 17 are installed inside the connecting holes 16 and are threadedly connected to the mold core 13. Multiple arc-shaped grooves 15 that cooperate with the limiting post 10 are equally spaced in the middle of the limiting plate 14. The arc-shaped grooves 15 are equally spaced with the limiting plate 14 as the center. When the fasteners 17 are threadedly connected to the mold core 13, the ends of the arc-shaped grooves 15 are stuck in the limiting notch 12.

[0028] It should be noted that in this embodiment, the fastener 17 is a fastening screw. The assembly hole 19 is fitted onto the outside of the connecting shaft 9, so that the limiting post 10 and the central shaft 11 pass through the corresponding hole of the mold core 13. Then, the limiting plate 14 is fitted onto the outside of the central shaft 11. During installation, the inner wall of the limiting post 10 of the arc groove 15 is slidably connected. When the limiting plate 14 is attached to the mold core 13, the position of the limiting plate 14 corresponds to the limiting notch 12. The limiting plate 14 is rotated so that it rotates along the center of the central shaft 11, so that its end is stuck in the limiting notch 12. When the end of the arc groove 15 is stuck in the limiting notch 12, at this time, the fastener 17 in the connecting hole 16 corresponds to the threaded hole of the mold core 13. The fastener 17 is threadedly connected to the mold core 13. In this way, the limiting plate 14 is fixed in the designated position and stuck in the limiting notch 12 to limit the mold core 13.

[0029] In one embodiment, a welding chamber 7 is provided on the side of the lower mold 3 near the upper mold 1, two positioning posts 8 are fixedly connected on the side of the upper mold 1 near the lower mold 3, a positioning hole 5 that mates with the positioning posts 8 is provided in the middle of the lower mold 3, and an installation hole 6 is provided in the middle of the lower mold 3.

[0030] It should be noted that, in this embodiment, when the upper mold 1 and the lower mold 3 are assembled, the mold core 13 is placed in the mold hole 4 of the lower mold 3, the positioning pin 8 on one side of the upper mold 1 is inserted into the positioning hole 5, and then the bolt is connected to the threaded hole on one side of the upper mold 1 through the connecting hole 16, thereby connecting the upper mold 1 and the lower mold 3.

[0031] 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.

[0032] 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.

[0033] 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.

[0034] 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. An aluminum profile mold, characterized in that: include: The upper mold (1) has a flow-diverting hole (2) in the middle. A connecting shaft (9) is fixedly connected to the side of the upper mold (1) away from the flow-diverting hole (2). Multiple limiting posts (10) are fixedly connected at equal intervals to the outer side of the connecting shaft (9). A limiting notch (12) is opened on the outer side of the limiting post (10). A mold core (13) is detachably installed on the outer side of the connecting shaft (9). A limiting plate (14) that cooperates with the limiting notch (12) to fix the connecting shaft (9) is installed on the outer side of the mold core (13). The lower mold (3) is placed on one side of the upper mold (1). The lower mold (3) has a mold hole (4) in the middle that cooperates with the mold core (13). The mold hole (4) and the mold core (13) form a forming gap.

2. The aluminum profile mold according to claim 1, characterized in that: A central shaft (11) is fixedly connected to the middle of the connecting shaft (9), and the end of the central shaft (11) is provided with an external thread.

3. The aluminum profile mold according to claim 2, characterized in that: One end of the mold core (13) is provided with an assembly hole (19) that mates with the connecting shaft (9). The middle part of the mold core (13) and the middle part of the limiting plate (14) are provided with through holes that mate with the central shaft (11). One end of the central shaft (11) is threaded with a fixing nut (18) for pressing the limiting plate (14).

4. The aluminum profile mold according to claim 3, characterized in that: The limiting plate (14) has two symmetrical connecting holes (16) in the middle. Fasteners (17) are installed inside the connecting holes (16) and are threadedly connected to the mold core (13).

5. The aluminum profile mold according to claim 4, characterized in that: The center of the limiting plate (14) is provided with a plurality of arc-shaped grooves (15) that cooperate with the limiting post (10). The arc-shaped grooves (15) are provided at equal intervals with the limiting plate (14) as the center. When the fastener (17) is threadedly connected to the mold core (13), the end of the arc-shaped groove (15) is stuck in the limiting notch (12).

6. The aluminum profile mold according to claim 5, characterized in that: The lower mold (3) has a welding chamber (7) on the side near the upper mold (1).

7. An aluminum profile mold according to claim 6, characterized in that: Two positioning pins (8) are fixed to the side of the upper mold (1) near the lower mold (3). The lower mold (3) has a positioning hole (5) in the middle that cooperates with the positioning pins (8). The lower mold (3) also has an installation hole (6) in the middle.