Die-casting die for thin-wall aluminum alloy die casting

By designing thin-wall aluminum alloy die-casting molds with electric push rods and limit rod structures, the problem of sticking molds during the die-casting process is solved, and the automatic removal of die-casting parts is realized, and the production efficiency and safety are improved.

CN223198036UActive Publication Date: 2025-08-08JIANGSU HUACHENG ELECTRICAL APP
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Patent Information

Application Number
CN202421658940.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-08-08
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

Existing thin-walled aluminum alloy die-casting parts are easy to stick to the mold during the die-casting process, and are difficult to easily take out at high temperatures, which affects production efficiency.

Method used

A thin-wall aluminum alloy die-casting mold is designed, using electric push rods, threaded pipes and limit rod structures. The rotary bolts and threaded rods are driven by the motor to automatically push the die-casting parts and avoid damage.

Benefits of technology

It realizes convenient removal of die castings, avoids mold sticking, and improves production efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a die-casting die for a thin-wall aluminum alloy die casting. The die-casting die comprises a fixed die body, a forming groove is formed in the fixed die body, a movable die body is arranged above the fixed die body, an injection molding opening is formed in the bottom of the movable die body, a mounting groove is formed in the inner side of the bottom of the fixed die body, and a mounting plate is arranged on the inner side of the mounting groove. A threaded pipe is arranged on the inner side of the upper portion of the mounting plate, a limiting rod is arranged on the outer side of the upper portion of the mounting plate, a main push plate is arranged on the top of the threaded pipe, a side push block is arranged on the top of the limiting rod, and the main push plate and the side push block are located on the forming groove. A motor drives a rotating bolt and a threaded rod above the rotating bolt to rotate, so that a mounting plate is driven to ascend, a threaded pipe slides on a sliding opening, a limiting rod slides on a limiting opening, a die casting is pushed through a main push plate on the inner side and a side push block on the outer side, the die casting can be directly pushed out, and the main push plate and the side push block push the die casting at the same time; and therefore, the die casting is prevented from being damaged.
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Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy die casting, in particular to a die casting mold for thin-walled aluminum alloy die castings. Background Art

[0002] Aluminum alloy die-casting products are primarily used in the electronics, automotive, motor, home appliance, and communications industries. High-performance, high-precision, and high-toughness aluminum alloy products are also used in demanding industries such as large aircraft and ships. Their primary application is in parts for certain equipment. Thin-walled aluminum alloys, characterized by high strength, good plasticity, high specific strength, and high specific stiffness, are widely used in aerospace, automotive, and electronics industries. Aluminum alloy die-castings are aluminum alloy products produced through a high-pressure casting process. This process typically utilizes a die-casting machine equipped with a die-casting mold. Liquid zinc or aluminum alloy is poured into the machine's inlet, and the part is then die-casted to produce aluminum alloy die-cast parts within the mold's shape and size constraints.

[0003] Existing thin-walled aluminum alloy die castings often stick to the mold during die casting. Moreover, since the temperature of the aluminum alloy is high after forming, it is inconvenient to remove the die castings that stick to the mold. It is necessary to wait for them to cool down or to cool them down, which is a more troublesome operation. Utility Model Content

[0004] The purpose of the utility model is to provide a die-casting mold for thin-walled aluminum alloy die-casting parts to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A die-casting mold for thin-walled aluminum alloy die-casting parts, comprising a fixed mold, a forming groove is provided on the fixed mold, a movable mold is provided above the fixed mold, a positioning rod is provided on the outer side of the upper part of the fixed mold, a positioning port is provided on the outer side of the movable mold, the positioning port is slidably connected to the positioning rod, an injection port is provided at the bottom of the movable mold, a top plate is provided on the top of the positioning rod, an electric push rod is provided on the top plate, the electric push rod is connected to the top of the movable mold, a mounting seat is provided at the bottom of the fixed mold, a rotating bolt is provided on the inner side of the mounting seat, a mounting groove is provided on the inner side of the fixing mold bottom, a mounting plate is provided on the inner side of the mounting groove, a threaded tube is provided above the mounting plate, a limiting rod is provided on the outer side of the upper part of the mounting plate, a main push plate is provided on the top of the threaded tube, a side push block is provided on the top of the limit rod, and the main push plate and the side push block are on the forming groove.

[0007] In a preferred embodiment of the present invention, an electric valve is provided on the top of the injection port.

[0008] In a preferred embodiment of the present invention, a motor is provided at the inner bottom of the mounting seat, and the motor is connected to the rotating bolt.

[0009] In a preferred embodiment of the present invention, a threaded rod is provided on the top of the rotating bolt, and the threaded rod is threadedly connected to the threaded pipe.

[0010] In a preferred embodiment of the present invention, a sliding opening is provided on the inner side of the forming groove, and the threaded tube slides on the sliding opening.

[0011] In a preferred embodiment of the present invention, a limiting opening is provided on the outer side of the forming groove, and the limiting rod is slidably connected to the limiting opening.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention.

[0013] Beneficial effects: the movable mold is extended and retracted by the electric push rod, and the positioning rod positions the positioning port, so that the bottom of the movable mold docks with the molding groove, and the injection port is opened by the electric valve, that is, liquid material is added to the molding groove through the injection port to perform molding. After the die-casting is formed, the rotating bolt and the upper threaded rod are rotated by the motor, and the outer limit port limits the limit rod, thereby driving the mounting plate to rise, the threaded tube slides on the sliding port, and the limit rod slides on the limit port, thereby pushing the inner main push plate and the outer side push block, and the die-casting is pushed by the inner main push plate and the outer side push block, so that it can be directly pushed out, and the main push plate and the side push block are pushed at the same time, thereby avoiding damage to the die-casting, that is, it is convenient to remove the die-casting that is stuck to the mold.

[0014] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the description, the following is a detailed description of the preferred embodiments of the present invention with the accompanying drawings. The specific implementation methods of the present invention are given in detail in the following embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 This is a schematic diagram of the main structure of a die-casting mold for thin-walled aluminum alloy die-casting parts;

[0017] Figure 2 This is a schematic diagram of the structure of the fixed die and movable die in a die-casting mold for thin-walled aluminum alloy die-casting parts;

[0018] Figure 3 This is a schematic diagram of the inner structure of the bottom of the fixed mold in a die-casting mold for thin-walled aluminum alloy die-casting parts;

[0019] Figure 4 This is a schematic diagram of the bottom connection structure of the mounting plate in a die-casting mold for thin-walled aluminum alloy die-casting parts.

[0020] In the figure: 1. Fixed mold; 11. Molding groove; 12. Positioning rod; 13. Top plate; 14. Mounting groove; 2. Moving mold; 21. Positioning port; 22. Injection port; 23. Electric push rod; 24. Electric valve; 3. Mounting seat; 31. Rotating bolt; 32. Motor; 33. Threaded rod; 4. Mounting plate; 41. Threaded tube; 42. Main push plate; 43. Limit rod; 44. Side push block; 5. Sliding port; 51. Limit port. DETAILED DESCRIPTION

[0021] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0022] Please refer to Figure 1-4 The utility model discloses a die-casting mold for thin-walled aluminum alloy die-casting parts, comprising a fixed mold 1, a molding groove 11 is provided on the fixed mold 1, and a movable mold 2 is provided above the fixed mold 1. The fixed mold 1 and the movable mold 2 serve as the main structure of the die-casting mold, and are used for die-casting the aluminum alloy die-casting parts, that is, die-casting is performed at the molding groove 11. A positioning rod 12 is provided on the outer side above the fixed mold 1, and a positioning port 21 is provided on the outer side of the movable mold 2. The positioning port 21 is slidably connected to the positioning rod 12, that is, the positioning rod 12 is connected through the positioning port 21, so that the movable mold 2 is installed on the fixed mold 1, and the positioning port 21 is positioned by the positioning rod 12, so that the bottom of the movable mold 2 is docked with the molding groove 11, and an injection port 22 is provided at the bottom of the movable mold 2, that is, liquid material is added to the molding groove 11 through the injection port 22 to perform molding. An electric valve 24 is provided on the top of the injection port 22, and the injection port 22 is opened and closed by the electric valve 24.

[0023] A top plate 13 is provided on the top of the positioning rod 12, and an electric push rod 23 is provided on the top plate 13. The electric push rod 23 is connected to the top of the movable mold 2. The top plate 13 is the top mounting structure of the die-casting mold, which is used to install the electric push rod 23, that is, the movable mold 2 is driven to retract and retract by the electric push rod 23, so as to perform die-casting and removal operations. A mounting seat 3 is provided at the bottom of the fixed mold 1. The mounting seat 3 serves as the bottom structure of the die-casting mold and is used to install other structures. A rotating bolt 31 is provided on the inside of the mounting seat 3. The rotating bolt 31 is fixed on the inside of the mounting seat 3, and the rotating bolt 31 moves inside the mounting seat 3. A mounting groove 14 is provided on the inside of the bottom of the fixed mold 1. The mounting groove 14 is a mounting structure. A mounting plate 4 is provided on the inside of the mounting groove 14, and the mounting plate 4 moves inside the mounting groove 14.

[0024] A threaded tube 41 is provided on the inner side of the mounting plate 4, a limiting rod 43 is provided on the outer side of the mounting plate 4, a main push plate 42 is provided on the top of the threaded tube 41, and a side push block 44 is provided on the top of the limiting rod 43. The main push plate 42 and the side push block 44 are located on the molding groove 11, so that after the die-casting is formed, the die-casting is pushed by the main push plate 42 on the inside and the side push block 44 on the outside, so that it can be directly pushed out, and the main push plate 42 and the side push block 44 are pushed at the same time, so as to avoid damage to the die-casting. A motor 32 is provided on the bottom inner side of the mounting seat 3, and the motor 32 is connected The rotating bolt 31 has a threaded rod 33 on the top of the rotating bolt 31, and the threaded rod 33 is threadedly connected to the threaded tube 41. A sliding opening 5 is provided on the inner side of the forming groove 11, and the threaded tube 41 slides on the sliding opening 5. A limiting opening 51 is provided on the outer side of the forming groove 11, and the limiting rod 43 is slidingly connected to the limiting opening 51, that is, the rotating bolt 31 and the upper threaded rod 33 are driven to rotate by the motor 32, and the outer limiting opening 51 limits the limiting rod 43, thereby driving the mounting plate 4 to rise, and the threaded tube 41 slides on the sliding opening 5 and the limiting rod 43 slides on the limiting opening 51.

[0025] The working principle of the present invention is as follows: the aluminum alloy die-casting part is die-casted by the fixed mold 1 and the movable mold 2, and the die-casting is carried out at the molding groove 11. The movable mold 2 is driven to extend and retract by the electric push rod 23, and the positioning rod 12 positions the positioning port 21, so that the bottom of the movable mold 2 docks with the molding groove 11, and the injection port 22 is opened by the electric valve 24, that is, liquid material is added to the molding groove 11 through the injection port 22 to carry out molding. When the die-casting part is formed, the rotating bolt 31 and the upper threaded rod 33 are driven to rotate by the motor 32, and the outer limiting port 51 limits the limiting rod 43, thereby driving the mounting plate 4 to rise, the threaded tube 41 slides on the sliding port 5, and the limiting rod 43 slides on the limiting port 51, and the die-casting part is pushed by the inner main push plate 42 and the outer side push block 44, so that it can be directly pushed out, and the main push plate 42 and the side push block 44 push at the same time, thereby avoiding damage to the die-casting part.

[0026] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A die-casting mold for thin-walled aluminum alloy die-casting parts, comprising a fixed mold (1), characterized in that: The fixed mold (1) is provided with a molding groove (11), a movable mold (2) is provided above the fixed mold (1), a positioning rod (12) is provided on the outer side of the upper side of the fixed mold (1), a positioning port (21) is provided on the outer side of the movable mold (2), the positioning port (21) is slidably connected to the positioning rod (12), an injection port (22) is provided at the bottom of the movable mold (2), a top plate (13) is provided at the top of the positioning rod (12), an electric push rod (23) is provided on the top plate (13), the electric push rod (23) is connected to the top of the movable mold (2), and the bottom of the fixed mold (1) is provided with a molding groove (11), a movable mold (2) is provided on the upper side of the fixed mold (1), and the electric push rod (23) is connected to the top of the movable mold (2). A mounting seat (3) is provided at the bottom, a rotating bolt (31) is provided on the inner side of the mounting seat (3), a mounting groove (14) is provided on the inner side of the bottom of the fixed mold (1), a mounting plate (4) is provided on the inner side of the mounting groove (14), a threaded tube (41) is provided on the inner side above the mounting plate (4), a limiting rod (43) is provided on the outer side above the mounting plate (4), a main push plate (42) is provided on the top of the threaded tube (41), a side push block (44) is provided on the top of the limiting rod (43), and the main push plate (42) and the side push block (44) are located on the molding groove (11).

2. The die-casting mold for thin-walled aluminum alloy die-casting according to claim 1, characterized in that: An electric valve (24) is provided on the top of the injection port (22).

3. The die-casting mold for thin-walled aluminum alloy die-casting according to claim 1, characterized in that: A motor (32) is provided at the inner bottom of the mounting seat (3), and the motor (32) is connected to the rotating bolt (31).

4. The die-casting mold for thin-walled aluminum alloy die-casting according to claim 1, characterized in that: A threaded rod (33) is provided on the top of the rotating bolt (31), and the threaded rod (33) is threadedly connected to the threaded tube (41).

5. The die-casting mold for thin-walled aluminum alloy die-casting according to claim 1, characterized in that: A sliding opening (5) is provided inside the molding groove (11), and the threaded tube (41) slides on the sliding opening (5).

6. The die-casting mold for thin-walled aluminum alloy die-casting according to claim 1, characterized in that: A limiting opening (51) is provided on the outside of the forming groove (11), and the limiting rod (43) is slidably connected to the limiting opening (51).