Automobile motor shell die-casting die cooling structure
By setting heat dissipation fins and cooling pipes on the outside of the fixed mold, combined with the cooling cavity and discharge cavity in the moving mold, the problems of low heat dissipation efficiency and high installation and maintenance costs of existing molds are solved. This achieves coordinated heat dissipation inside and outside the mold, improves heat dissipation efficiency, and reduces installation difficulty.
Patent Information
- Application Number
- CN202520180931.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-05
AI Technical Summary
Existing automotive motor housing die-casting molds have low heat dissipation efficiency, complex cooling structures, and high installation and maintenance costs, making it difficult to achieve coordinated heat dissipation inside and outside the mold.
The fixed mold is equipped with heat dissipation fins and cooling pipes on the outside, and the moving mold has cooling chambers and discharge chambers inside. Combined with heat conduction rods and coolant circulation, heat dissipation is achieved through internal and external coordination. The cooling pipes are located on the outside of the fixed mold for easy installation and maintenance.
It improves heat dissipation efficiency, reduces installation difficulty and production costs, achieves coordinated heat dissipation inside and outside the mold, and enhances heat dissipation area and heat exchange effect.
Smart Images
Figure CN223733828U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of automobile motor shell die-casting die cooling structures, belong to automobile motor manufacturing field. BACKGROUND
[0002] With the rapid development of new energy automobile industry, the lightweight, high-precision manufacturing demand of automobile motor shell as core component is increasing. Die-casting technology becomes the preferred process of motor shell forming due to its high efficiency, high density and other characteristics.
[0003] In prior art, die cooling structure is mostly designed with single cooling channel or simple fin, and there are problems such as insufficient heat dissipation area, single cooling liquid flow path, etc., which is difficult to realize internal and external collaborative heat dissipation of die, resulting in low heat dissipation efficiency; in addition, the existing cooling channel is usually arranged in the die, which makes the structure complex and the installation and maintenance cost high.
[0004] To solve the above problems, the utility model provides a kind of automobile motor shell die-casting die cooling structure. UTILITY MODEL CONTENTS
[0005] In view of the problems existing in the prior art, the utility model provides a kind of automobile motor shell die-casting die cooling structure, movable die and fixed die can simultaneously dissipate heat, realize internal and external collaborative heat dissipation, improve the effect of heat dissipation, and cooling pipe is arranged on the outside of fixed die, which is convenient for installation and maintenance.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of automobile motor shell die-casting die cooling structure, comprising
[0007] Fixed die, the circumferential surface of the fixed die is fixedly connected with a plurality of heat dissipation fins, and the heat dissipation fins are installed with auxiliary heat dissipation parts;
[0008] Movable die, the movable die is provided with cooling cavity and discharge cavity, and the cooling cavity and the discharge cavity are communicated, and the cooling liquid enters the inside of the cooling cavity and is discharged through the discharge cavity, and the heat of the die is taken away;
[0009] Wherein, the cooling cavity is located on the outside of the discharge cavity.
[0010] Preferably, the side surface of the cooling cavity is fixedly connected with a plurality of heat conduction rods, and the plurality of heat conduction rods are distributed in rows on the side surface of the cooling cavity, and the plurality of heat conduction rods in the same row are uniformly distributed along the circumference of the cooling cavity.
[0011] Preferably, the plurality of heat conduction rods of adjacent two rows are staggered.
[0012] Preferably, the heat dissipation fins coincide with the radial direction of the fixed die, and the plurality of heat dissipation fins are distributed along the circumference of the fixed die.
[0013] Preferably, the auxiliary heat dissipation part comprises:
[0014] A plurality of cooling pipes are coaxially sleeved outside the fixed mold and uniformly distributed along the axis of the fixed mold, one end of the cooling pipe is communicated with the water inlet pipe fixedly installed outside the fixed mold, and the other end is communicated with the drain pipe fixedly connected outside the fixed mold along the circumference of the fixed mold and through the plurality of heat dissipation fins.
[0015] Compared with the prior art, the utility model has the beneficial effects as follows:
[0016] 1、 the utility model discloses a heat dissipation fin and cooling pipe's setting has realized that heat dissipation fin can increase the heat dissipation area, and cooling pipe can carry away heat, and further improve the efficiency of heat dissipation, and cooling pipe sets up outside the fixed mold, can reduce the difficulty of installation and production cost.
[0017] 2、 through the setting of the cooling cavity and the discharge cavity, the cooling liquid is discharged from the inside of the discharge cavity after entering the inside of the cooling cavity, the heat of the movable mold is carried away, and the inside of the formed motor shell is cooled, so that the heat dissipation efficiency can be further improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 It is a structural schematic view of the utility model.
[0019] Fig. 2 It is a sectional view of the utility model.
[0020] Fig. 3 It is a distribution schematic view of the plurality of heat conduction rods of the adjacent two rows of the utility model.
[0021] In the drawing: 1, fixed mold, 2, heat dissipation fin, 3, movable mold, 4, cooling cavity, 5, discharge cavity, 6, heat conduction rod, 7, cooling pipe, 8, water inlet pipe, 9, drain pipe. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and 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 other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] The utility model provides a kind of automobile motor shell die casting mould cooling structure, as shown in Figs. 1 to 3 .
[0024] Embodiment one:
[0025] The application discloses a cooling structure of an automobile motor shell die-casting die, which comprises a fixed die 1 and a movable die 3, a plurality of heat dissipation fins 2 are fixedly connected to the circumferential surface of the fixed die 1, the material of the heat dissipation fins 2 is high-heat-conductivity material, for example, copper, the heat dissipation fins 2 extend along the radial direction of the fixed die 1 and are distributed along the circumference of the fixed die 1, thereby forming a radial heat dissipation structure, and an auxiliary heat dissipation part is arranged on the heat dissipation fins 2, so that the heat dissipation efficiency of the heat dissipation fins 2 can be further improved.
[0026] The auxiliary heat dissipation part comprises a plurality of cooling pipes 7, the material of the cooling pipes 7 is high-heat-conductivity material, for example, copper, the cooling pipes 7 are annular pipes, coaxially arranged outside the fixed die 1 and arranged in layers along the axial direction of the fixed die 1, one end of the cooling pipes 7 is fixedly connected with a water inlet pipe 8 and communicates with the water inlet pipe 8, the other end of the cooling pipes 7 communicates with a water outlet pipe 9 after penetrating through the plurality of heat dissipation fins 2 in sequence, thereby forming a closed loop water circuit, the water inlet pipe 8 and the water outlet pipe 9 are fixedly connected to the fixed die 1, cooling liquid is injected from the water inlet pipe 8, exchanges heat with the heat dissipation fins 2 when flowing through the cooling pipes 7 and is finally discharged through the water outlet pipe 9, so that the heat dissipation of the fixed die 1 is realized.
[0027] Embodiment two:
[0028] The movable die 3 is internally provided with an annular cooling cavity 4 and a central discharge cavity 5, the cooling cavity 4 is located at the outer periphery of the discharge cavity 5, the cooling cavity 4 and the discharge cavity 5 communicate through a plurality of through holes arranged on the lower end side wall of the cooling cavity 4, cooling liquid is injected into the inside of the cooling cavity 4 through an external pressurizing pump, then enters the inside of the discharge cavity 5 through the through holes and is finally discharged through a discharge pipe arranged on the top side wall of the discharge cavity 5, so that the heat on the movable die 3 is taken away.
[0029] A plurality of heat conduction rods 6 are fixedly arranged on the side wall of the cooling cavity 4 close to the fixed die 1, the material of the heat conduction rods 6 is high-heat-conductivity material, for example, copper, the heat conduction rods 6 in each row are uniformly distributed along the circumference of the cooling cavity 4, and the heat conduction rods 6 in adjacent rows are staggered, so that the heat conduction rods 6 can better contact with the cooling liquid, and the arrangement of the heat conduction rods 6 can more quickly conduct the heat of the movable die 3 to the cooling liquid flowing in the inside of the cooling cavity 4.
[0030] Finally, it should be noted that the above embodiments are only used to illustrate but not to limit the technical scheme of the application, although the application has been described in detail with reference to the above embodiments, those skilled in the art should understand that the application can still be modified or replaced equivalently without departing from the spirit and scope of the application, and any modification or partial replacement should be covered in the scope of the claims of the application.
Claims
1. An automobile motor case die casting mold cooling structure characterized by comprising: The utility model relates to a mould cooling device, including The fixed mould (1) is fixedly connected with a plurality of heat dissipation fins (2) on the circumference surface, and the heat dissipation fin (2) is installed with the auxiliary heat dissipation part; The movable mould (3) is equipped with cooling cavity (4) and discharge cavity (5), and cooling cavity (4) and discharge cavity (5) are communicated, and cooling liquid is discharged through discharge cavity (5) after entering the inside of cooling cavity (4), and the heat of mould is taken away; Wherein, cooling cavity (4) is located at the outside of discharge cavity (5).
2. The cooling structure of the die casting mold for an automobile motor case according to claim 1, wherein The side of cooling cavity (4) close to fixed mould (1) is fixedly connected with a plurality of heat conduction rods (6), and a plurality of heat conduction rods (6) are distributed in row in the side of cooling cavity (4), and a plurality of heat conduction rods (6) in the same row are evenly distributed along the circumference of cooling cavity (4).
3. The cooling structure of the die casting mold for an automobile motor case according to claim 2, wherein The plurality of heat conduction rods (6) of adjacent two rows are staggered distribution.
4. The cooling structure of the die casting mold for an automobile motor case according to claim 1, wherein The heat dissipation fin (2) coincides with the radial direction of fixed mould (1), and a plurality of heat dissipation fins (2) are distributed along the circumference of fixed mould (1).
5. The cooling structure of the die casting mold for an automobile motor case according to claim 1, wherein The auxiliary heat dissipation part includes: A plurality of cooling pipes (7) are coaxially sleeved on the outside of fixed mould (1) and are evenly distributed along the axis of fixed mould (1), one end of cooling pipe (7) is communicated with water inlet pipe (8) fixedly installed on the outside of fixed mould (1), and the other end is communicated with drain pipe (9) fixedly connected on the outside of fixed mould (1) along the circumference of fixed mould (1) and penetrates a plurality of heat dissipation fins (2).