Fixed die of automobile volute die-casting die

Abstract

The utility model belongs to the technical field of die-casting dies, and particularly relates to a fixed die of an automobile volute die-casting die, which is mounted on the left side of a die holder and adopts an integrated structure. The fixed mold structure is characterized in that a boss is arranged on a base of the fixed mold structure; the oval core-pulling hole, the core-pulling hole and the rectangular core-pulling hole are formed in the base, and after die casting is completed, the core-pulling holes are rapidly pulled out, so that the demolding process is conveniently completed; the ejector rod 1 and the ejector rod 2 are arranged on the base, and after die casting is completed, the demolding process can be conveniently completed; the runner and the cinder ladle are arranged on the boss, and the runner is communicated with the cinder ladle, so that residues and air holes in a casting can be better removed and reduced; the boss is provided with the casting boss, and the casting boss is novel in structure, is matched with a volute casting and is distributed on the boss in an oval shape. In order to reduce the cost and perform centralized cooling, criss-cross cooling water ways are adopted after die casting is completed. The fixed mold structure improves the yield of castings.

Description

Technical Field

[0001] This utility model belongs to the field of die casting mold technology, specifically relating to a fixed mold for die casting automotive worm gear housings. Background Technology

[0002] With the increasing number of cars, people have higher and higher requirements for cars. The car volute is an important component of the turbocharger. However, the existing volute has a low yield rate and the existing mold structure has a low demolding rate, which cannot meet the production needs and brings many inconveniences to people. Utility Model Content

[0003] In view of the deficiencies in the existing technology, this utility model provides a fixed mold for die casting of automotive worm gear housing, with the aim of improving the yield of automotive worm gear housing castings.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0005] A fixed mold for die casting an automotive worm gear housing includes a base, a boss, a slag pocket, a casting boss, a runner, an elliptical core-pulling hole, a core-pulling hole, a rectangular core-pulling hole, a push rod 1, and a push rod 2.

[0006] Preferably, the base is provided with an elliptical core-pulling hole, a core-pulling hole and a rectangular core-pulling hole. The elliptical core-pulling hole, the core-pulling hole and the rectangular core-pulling hole are quickly pulled out after die casting to complete the core pulling.

[0007] Preferably, the base is provided with ejector rod 1 and ejector rod 2. After die casting is completed, ejector rod 1 and ejector rod 2 eject the mold to complete the demolding process.

[0008] Preferably, the base is provided with a boss, and the boss is provided with a casting boss. The casting boss has a novel structure, fits the volute casting, and is distributed in an elliptical shape on the boss. The casting boss is in close contact with the casting, which reduces material waste while increasing the contact area of ​​the casting.

[0009] Preferably, the casting boss is provided with a slag pocket and a flow channel, which are connected to each other, so as to better remove and reduce the residue and porosity in the casting.

[0010] Compared with the prior art, based on the above technical solution, the beneficial effects of this utility model are as follows:

[0011] The fixed mold of an automotive volute die-casting mold has the following advantages: it is designed with a flow channel that connects to the slag pocket, which facilitates better removal and reduction of slag and porosity in the casting; it is designed with ejector pin holes and core-pulling holes, which allow for rapid ejection of the fixed mold and rapid core-pulling of the volute casting after die casting, facilitating the demolding process; and it features a novel casting boss structure that fits the volute casting and is elliptical in shape on the boss, which is in close contact with the casting, reducing material waste while increasing the contact area of ​​the casting. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the side structure;

[0014] Figure 2 This is a top-down structural diagram;

[0015] Figure 3 This is a schematic diagram of the bottom structure;

[0016] In the diagram: 1. Base; 2. Boss; 3. Slag pocket; 4. Casting boss; 5. Flow channel; 7. Core-pulling hole; 8. Elliptical core-pulling hole; 9. Rectangular core-pulling hole; 10. Push rod 1; 11. Push rod 2; 12. Cooling water pipe; 13. Inlet; 14. Blockage; 15. Outlet Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0018] The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0019] Please see Figure 1-3 This utility model provides a technical solution: a fixed mold for die casting of automobile worm gear housing, which includes a base 1, a core-pulling hole 7, an elliptical core-pulling hole 8 and a rectangular core-pulling hole 9 on the base 1; a push rod 1 (10) and a push rod 2 (11) on the base 1; a boss 2 on the base 1; a casting boss 4 on the boss 2; a slag bag 3 and a flow channel 5 on the casting boss 4, the slag bag 3 and the flow channel 5 being connected.

[0020] Preferably, the base 1 is provided with a core-pulling hole 7, an elliptical core-pulling hole 8, and a rectangular core-pulling hole 9. The core-pulling holes 7, elliptical core-pulling holes 8, and rectangular core-pulling holes 9 are located adjacent to each other and can complete the core-pulling work at the same time. After the die-casting is completed, the core-pulling holes 7, elliptical core-pulling holes 8, and rectangular core-pulling holes 9 are quickly pulled out to complete the core-pulling.

[0021] Preferably, the base 1 is provided with a boss 1, and the boss 1 is provided with a casting boss 5. The casting boss 5 has a novel structure, fits the volute casting, conforms to the consistency, and is distributed in an elliptical shape on the boss 2. The casting boss 5 is in close contact with the casting, which reduces material waste while increasing the contact area of ​​the casting.

[0022] Preferably, the casting boss 2 is provided with a slag pocket 3 and a flow channel 5, the slag pocket 3 and the flow channel 5 are connected, and multiple slag pockets 3 are provided to facilitate better removal and reduction of slag and porosity in the casting.

[0023] Preferably, the base is provided with ejector rod 1 (10) and ejector rod 2 (11). After die casting is completed, ejector rod 1 (10) and ejector rod 2 (11) eject the punch to complete the demolding process.

[0024] Preferably, the fixed mold is provided with an inlet 13 and an outlet 15. After the die casting is completed, the cooling water enters from the inlet 13, flows out from the outlet 15 after passing through the cooling water pipe 12, and realizes water circulation.

[0025] Preferably, in order to reduce costs and centralize cooling, a crisscross cooling water channel is adopted, and a blockage 14 is set to realize water circulation.

[0026] The specific requirements for construction shall be determined according to actual construction needs, and no specific restrictions shall be imposed in this application.

[0027] It should be noted that, in this application, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A die half for a die casting mold for an automobile volute, characterized by, It includes the base (1), the base (1) is equipped with core-pulling hole (7), oval core-pulling hole (8) and rectangular core-pulling hole (9); The base (1) is equipped with the rod 1 (10) and the rod 2 (11); The base (1) is equipped with the boss (2); The boss (2) is equipped with the casting boss (4); The casting boss (4) is equipped with the ladle (3) and the runner (5), and the ladle (3) and the runner (5) are communicated.

2. The die half of a die casting mold for an automobile volute according to claim 1, characterized in that: The base (1) is equipped with core-pulling hole (7), oval core-pulling hole (8) and rectangular core-pulling hole (9), core-pulling hole (7), oval core-pulling hole (8) and rectangular core-pulling hole (9) are quickly pulled out after die casting is completed, and core-pulling is completed.

3. The die half of a die casting mold for an automotive volute according to claim 1, wherein: The base (1) is equipped with the rod 1 (10) and the rod 2 (11), the rod 1 (10) and the rod 2 (11) are ejected after die casting is completed, and the demolding process is completed.

4. The die half of a die casting mold for an automotive volute according to claim 1, wherein: The base (1) is equipped with the boss (2), the boss (2) is equipped with the casting boss (4), the casting boss (4) is in close contact with the casting, which reduces material waste and increases the contact area of the casting; The casting boss (4) structure is novel, which is consistent with the volute casting and consistent, and is distributed in the boss (2) in an oval shape.

5. The die half of a die casting mold for an automotive volute according to claim 1, wherein: The casting boss (4) is equipped with the ladle (3) and the runner (5), and the ladle (3) and the runner (5) are communicated, which can better remove and reduce the residue and pores in the casting.

6. The drag mold of an automobile volute die according to claim 1, wherein: The base (1) is equipped with the water inlet (13) and the water outlet (15), after die casting is completed, cooling water enters from the water inlet (13), flows out from the water outlet (15) after passing through the cooling water pipe (12), and realizes water circulation; In order to reduce cost and centralized cooling, longitudinal and transverse staggered cooling waterways are adopted, and the plug (14) is arranged, so as to realize water circulation.

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