Die-casting die for motor end cover

Abstract

The utility model provides a motor end cover die-casting die, and relates to the technical field of die-casting dies, the motor end cover die-casting die comprises an upper die base, a lower die base and two die feet, the lower end of the upper die base is provided with an upper die cavity, the upper end of the lower die base is provided with a lower die cavity, the upper end of the lower die base is provided with a feeding channel, and the upper end of the lower die base is provided with a plurality of cinder ladles; a cooling water path is embedded in the lower die holder; the feeding channel and the injection molding cavity are independent, so that aluminum alloy cannot directly scour the upper mold cavity and the lower mold cavity during die-casting injection, and erosion to the upper mold cavity and the lower mold cavity is reduced; the cinder ladle is separated from the injection molding cavity, so that the flatness of the injection molding cavity is ensured, the processing requirement can be met, the processing cost is reduced, and the competitiveness is improved; by arranging the cooling water channel, it is guaranteed that the injection molding cavity is heated evenly, and aluminum alloy can shrink evenly and does not deform when cooled and solidified, so that it is guaranteed that a motor end cover casting meets the machining requirement, good sealing performance is achieved, and machining procedures are saved.

Description

Technical Field

[0001] The present application relates to the technical field of die-casting dies, and in particular to a die-casting die for a motor end cover. Background Art

[0002] A die-casting mold is a tool for casting metal parts, a tool that completes the die-casting process on a dedicated die-casting forging machine. In the current motor market, with increasing competition, the requirements for motors are getting higher and higher. Many motors require a certain degree of sealing to be waterproof and dustproof. To achieve this, one of the conditions is that the motor end cover must be absolutely flat and without deformation. The current conventional method is to perform secondary machining on the motor end cover after die-casting to meet the demand. This method generally increases the processing cost and has no advantage in the increasingly competitive market. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a motor end cover die-casting mold, which can solve the technical problem that the current conventional method is to perform secondary machining on the motor end cover after die-casting to meet the requirement that the motor end cover must be absolutely flat and free of deformation.

[0004] An embodiment of the present application provides a die-casting mold for a motor end cover, comprising an upper mold base, a lower mold base and two mold feet, the lower mold base is arranged below the upper mold base, and the two mold feet are symmetrically arranged below the lower mold base, the lower end of the upper mold base is provided with an upper mold cavity, the upper end of the lower mold base is provided with a lower mold cavity, the upper mold cavity and the lower mold cavity can be combined to form an injection cavity, the upper end of the lower mold base is provided with a feed channel, the feed channel is connected to the injection cavity, a gate is opened through the upper mold base, the gate is connected to the feed channel, a plurality of slag bags are provided at the upper end of the lower mold base, the plurality of slag bags are distributed on the surrounding side of the injection cavity, and the slag bags are connected to the injection cavity, and cooling water channels are embedded on the upper mold base and the lower mold base.

[0005] There are two upper mold cavities, and two lower mold cavities. The two upper mold cavities and the two lower mold cavities can be combined to form two injection cavities.

[0006] Wherein, the two injection cavities are symmetrically arranged on both sides of the feed channel.

[0007] Wherein, a mounting plate is arranged between the two mold feet, and a hydraulic rod is arranged on the mounting plate.

[0008] Wherein, a mounting groove is arranged at one end of the mold foot away from the mounting plate.

[0009] Beneficial effects of the utility model:

[0010] The utility model provides a motor end cover die-casting mold. When in use, the mold is installed on a die-casting machine through a mold foot, an upper mold base is connected to a lower mold base, an upper mold cavity and a lower mold cavity are combined to form an injection cavity, aluminum alloy is added from a pouring gate, and the aluminum alloy is injected into the injection cavity through a feed channel, and excess aluminum alloy flows into a slag bag. After the casting is solidified, the upper mold base is separated from the lower mold base and the casting is taken out to complete the die-casting; by separating the feed channel from the injection cavity independently, the aluminum alloy will not directly scour the upper mold cavity and the lower mold cavity during die-casting injection, thereby reducing the erosion of the upper mold cavity and the lower mold cavity; by separating the slag bag from the injection cavity independently, the flatness of the injection cavity is guaranteed, the processing requirements can be met, thereby reducing the processing cost and improving the competitiveness; by arranging a cooling water channel, the injection cavity is guaranteed to be heated evenly, and the aluminum alloy can shrink evenly when cooling and solidifying without deformation, thereby ensuring that the motor end cover casting meets the processing requirements, has good sealing performance, and saves processing procedures. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 This is a schematic diagram of the overall structure of some embodiments of the present application;

[0013] Figure 2 It is a schematic diagram of the structure of the lower mold cavity in some embodiments of the present application;

[0014] Figure 3 This is a schematic diagram of the structure of the upper mold cavity in some embodiments of the present application.

[0015] The reference numerals are:

[0016] 1. Upper mold base; 11. Upper mold cavity; 12. Gate;

[0017] 2. Lower die base; 21. Lower die cavity; 22. Feed channel; 23. Slag bag;

[0018] 3. Die foot; 31. Mounting plate; 32. Hydraulic rod; 33. Mounting slot;

[0019] 4. Injection cavity;

[0020] 5. Cooling water circuit. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0023] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0024] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0025] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0026] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0027] like Figures 1 to 3As shown, the embodiment of the present application provides a motor end cover die-casting mold, including an upper mold base 1, a lower mold base 2 and two mold feet 3, the lower mold base 2 is arranged below the upper mold base 1, and the two mold feet 3 are symmetrically arranged below the lower mold base 2, the lower end of the upper mold base 1 is provided with an upper mold cavity 11, and the upper end of the lower mold base 2 is provided with a lower mold cavity 21, the upper mold cavity 11 and the lower mold cavity 21 can be combined to form an injection cavity 4, the upper end of the lower mold base 2 is provided with a feed channel 22, the feed channel 22 is connected to the injection cavity 4, a gate 12 is opened through the upper mold base 1, and the gate 12 is connected to the feed channel 22, a plurality of slag bags 23 are provided at the upper end of the lower mold base 2, the plurality of slag bags 23 are distributed on the surrounding side of the injection cavity 4, and the slag bags 23 are connected to the injection cavity 4, and cooling water channels 5 are embedded on the upper mold base 1 and the lower mold base 2.

[0028] When in use, the mold is installed on the die casting machine through the die foot 3, the upper die base 1 is connected to the lower die base 2, the upper die cavity 11 and the lower die cavity 21 are combined to form an injection cavity 4, and the aluminum alloy is added from the gate 12, and the aluminum alloy is injected into the injection cavity 4 through the feed channel 22, and the excess aluminum alloy flows into the slag bag 23. After the casting is solidified, the upper die base 1 and the lower die base 2 are separated and the casting is taken out to complete the die casting; by separating the feed channel 22 from the injection cavity 4, the aluminum alloy is injected into the injection cavity 4 during die casting. The upper mold cavity 11 and the lower mold cavity 21 will not be directly eroded, thereby reducing the erosion of the upper mold cavity 11 and the lower mold cavity 21; by separating the slag bag 23 from the injection cavity 4, the flatness of the injection cavity 4 is guaranteed, and the processing requirements can be met, thereby reducing the processing cost and improving the competitiveness; by setting the cooling water channel 5, the injection cavity 4 is guaranteed to be heated evenly, and the aluminum alloy can shrink evenly when cooling and solidifying without deformation, thereby ensuring that the motor end cover casting meets the processing requirements, has good sealing, and saves processing steps.

[0029] like Figure 2 and 3 As shown, in this embodiment, two upper mold cavities 11 are provided, and two lower mold cavities 21 are provided. The two upper mold cavities 11 and the two lower mold cavities 21 can be combined to form two injection cavities 4; the mold can die-cast two motor end cover castings at the same time, thereby improving production efficiency.

[0030] like Figure 2 As shown, in this embodiment, the two injection cavities 4 are symmetrically arranged on both sides of the feed channel 22 .

[0031] like Figure 1 As shown, in this embodiment, a mounting plate 31 is provided between the two die feet 3 , and a hydraulic rod 32 is provided on the mounting plate 31 ; the hydraulic rod 32 is used to drive the upper die base 1 to connect or separate with the lower die base 2 .

[0032] like Figure 1As shown, in this embodiment, a mounting groove 33 is provided at one end of the die foot 3 away from the mounting plate 31 ; the die foot 3 is positioned and mounted on the die casting machine through the mounting groove 33 .

[0033] Working principle: When the motor end cover die-casting mold provided in the present application is used, the mold is installed on the die-casting machine through the mold foot 3, and the hydraulic rod 32 is turned on to drive the upper mold base 1 to connect with the lower mold base 2. The upper mold cavity 11 and the lower mold cavity 21 are combined to form an injection cavity 4. The aluminum alloy is added from the gate 12, and the aluminum alloy is injected into the injection cavity 4 through the feed channel 22. The excess aluminum alloy flows into the slag bag 23. After the casting is solidified, the hydraulic rod 32 is turned on to separate the upper mold base 1 from the lower mold base 2 and take out the casting to complete the die casting.

[0034] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A motor end cover die-casting mold, characterized in that: The invention comprises an upper die base (1), a lower die base (2) and two die feet (3), wherein the lower die base (2) is arranged below the upper die base (1), and the two die feet (3) are symmetrically arranged below the lower die base (2); an upper die cavity (11) is arranged at the lower end of the upper die base (1), and a lower die cavity (21) is arranged at the upper end of the lower die base (2); the upper die cavity (11) and the lower die cavity (21) can be combined to form an injection cavity (4); and a feed channel (22) is arranged at the upper end of the lower die base (2). ), the feed channel (22) is connected to the injection cavity (4), a gate (12) is opened through the upper mold base (1), the gate (12) is connected to the feed channel (22), a plurality of slag bags (23) are arranged at the upper end of the lower mold base (2), the plurality of slag bags (23) are distributed on the peripheral side of the injection cavity (4), and the slag bags (23) are connected to the injection cavity (4), and cooling water channels (5) are embedded on the upper mold base (1) and the lower mold base (2).

2. The motor end cover die-casting mold according to claim 1, characterized in that: Two upper mold cavities (11) are provided, and two lower mold cavities (21) are provided. The two upper mold cavities (11) and the two lower mold cavities (21) can be combined to form two injection cavities (4).

3. The motor end cover die-casting mold according to claim 1, characterized in that: The two injection cavities (4) are symmetrically arranged on both sides of the feed channel (22).

4. The motor end cover die-casting mold according to claim 1, characterized in that: A mounting plate (31) is arranged between the two mold feet (3), and a hydraulic rod (32) is arranged on the mounting plate (31).

5. The motor end cover die-casting mold according to claim 4, characterized in that: An installation groove (33) is provided at one end of the mold foot (3) away from the installation plate (31).

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