Casting mold of motor shell

Abstract

The utility model belongs to the technical field of motor casing production equipment, and particularly relates to a casting mould of a motor casing, which comprises more than two mould plates and core boxes, more than two mould cavities used for placing the core boxes are formed between two adjacent mould plates, casting cavities matched with the motor casing are formed between the core boxes and the corresponding mould plates, and the mould plates are arranged in the casting cavities. And each casting cavity is communicated with the casting gate through a casting channel. The motor casing has few parts, is simple to assemble, can form more than two motor casings through one-time casting, and is high in production efficiency.

Description

Technical field:

[0001] The utility model belongs to the technical field of motor shell production equipment, in particular to a casting mold for a motor shell. Background technology:

[0002] The Chinese utility model patent (publication number CN205032648U, application date 2015.09.08, publication date 2016.02.17) discloses a permanent magnet synchronous motor housing casting mold, wherein a spiral water channel mud core is suspended in an annular mold cavity surrounded by a mold core in the middle, a left-moving mold module on the left, a right-moving mold module on the right, a bottom mold seat on the lower side, and an upper mold template on the upper side. The inlet and outlet mud cores of the spiral water channel mud core are respectively arranged at the upper and lower ends of the spiral water channel mud core and supported on the inner wall of the left-moving mold module and / or the right-moving mold module. The inner walls of the left-moving mold module and the right-moving mold module are provided with grooves for forming a motor junction box, a mounting seat, and an inlet and outlet. A pouring through hole is provided on the axis of the mold core, a pouring through hole is provided on the lower bottom to connect to the groove on the lower side of the annular mold cavity, and a riser connected to the annular mold cavity is provided on the upper mold template. Use of the mold: first, close the mold of the utility model including the mud core in the mold, the spiral water channel mud core, the left moving module of the mold, the right moving module of the mold, the bottom mold base of the mold, and the upper mold plate of the mold, and then pour the cast aluminum liquid from the upper end of the pouring through hole. The aluminum liquid first passes through the pouring through hole and then through the radial pouring channel at the lower end of the mud core in the mold to enter the annular mold cavity, and flows from bottom to top in the annular mold cavity until the cast aluminum liquid overflows from the riser on the upper mold plate of the mold and then stops pouring the aluminum liquid. After cooling and finalizing, open the mold, take out the motor housing casting, vibrate the coated sand forming the spiral water channel mud core with a vibrator to become loose sand and pour it out from the water inlet and outlet. The shape of the spiral water channel mud core is the structure of the spiral heat dissipation water channel, and then, seal the end openings formed by all the hanging columns with aluminum strips by welding or plugging, and thread the inlet and outlet formed by the inlet and outlet mud cores so that it can be used as a motor housing.

[0003] The shortcomings of the above casting mold are: 1. Before casting, the mold mud core, spiral water channel mud core, mold left moving module, mold right moving module, mold bottom mold base, and mold upper mold plate need to be molded together. There are many parts and the assembly is more troublesome; 2. They need to be cast one by one, and the production efficiency is low. Summary of the invention:

[0004] The utility model aims to provide a casting mold for a motor shell, which has few parts and is easy to assemble, and can form more than two motor shells by one casting, thereby achieving high production efficiency.

[0005] The utility model is achieved in this way:

[0006] A casting mold for a motor housing comprises a mold plate and a core box. More than two mold plates are provided, and more than two mold cavities for placing the core boxes are formed between two adjacent mold plates. A casting cavity adapted to the motor housing is formed between the core box and the corresponding mold plates, and each casting cavity is connected to a casting port through a casting channel.

[0007] In the above-mentioned casting mold of a motor housing, the core box includes a cylinder adapted to the inner hole of the motor housing, and core block one and core block two relatively arranged on the outer periphery of the cylinder, and the casting cavity includes the space between the cylinder and core block one, the space between the cylinder and core block two, the space between the cylinder and the left wall of the cavity, and the space between the cylinder and the right wall of the cavity.

[0008] In the above-mentioned casting mold of the motor housing, the left wall surface is matched with the left side surface of the motor housing, and the right wall surface is matched with the right side surface of the motor housing.

[0009] In the above-mentioned casting mold of the motor housing, the two ends of the core block one and the two ends of the core block two are respectively provided with a sealing part one that fits the cylinder body, and the sealing part one is adapted to the corresponding end of the motor housing, and the two ends of the left wall surface and the two ends of the right wall surface are respectively provided with a sealing part two that fits the cylinder body, and the sealing part two is adapted to the corresponding end of the motor housing.

[0010] In the above-mentioned casting mold of the motor housing, the sealing part 1 is concave on the side close to the cylinder to form groove 1, and the sealing part 2 is concave on the side close to the cylinder to form groove 2. The cylinder is provided with a protrusion 1 that matches the groove 1 and a protrusion 2 that matches the groove 2.

[0011] In the above-mentioned casting mold of the motor housing, the cylinder is a hollow structure.

[0012] In the above-mentioned casting mold for a motor housing, the pouring port is arranged at the upper end of the mold plate, and the pouring channel includes a main pouring channel connected to the pouring port, and a branch pouring channel connected to the main pouring channel and the casting cavity.

[0013] In the above-mentioned casting mold for a motor housing, the casting cavity is provided with more than two feed ports, and each feed port is connected to a corresponding branch runner.

[0014] The outstanding advantages of the utility model compared with the prior art are:

[0015] 1. The utility model only needs to assemble the core box and the template, with few parts and simple assembly. More than two motor housings can be formed by one casting, and the production efficiency is high. At the same time, the utility model can be produced on an assembly line, with high production efficiency and low labor cost.

[0016] 2. In the utility model, the sealing part 1 is concave near the side of the cylinder to form a groove 1, and the sealing part 2 is concave near the side of the cylinder to form a groove 2. The cylinder is provided with a convex block 1 matched with the groove 1 and a convex block 2 matched with the groove 2, so that the cylinder, the core block 1 and the core block 2 can form a whole, which is convenient for placing the core box in the cavity, and the cylinder is positioned in the cavity by the groove 2 and the convex block 2, which is convenient for positioning during installation. Description of the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is an exploded view of the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the core box and the motor housing of the utility model;

[0020] Figure 4 It is an exploded view of the core box and the motor housing of the utility model;

[0021] Figure 5 It is a three-dimensional diagram of the template of the present utility model.

[0022] Figure numerals: 1. mold plate; 2. motor housing; 3. casting port; 4. cylinder; 5. core block one; 6. core block two; 7. left wall; 8. right wall; 9. sealing part one; 10. sealing part two; 11. groove one; 12. groove two; 13. bump one; 14. bump two; 15. main runner; 16. branch runner; 17. feed port. Specific implementation method:

[0023] The present invention is further described below with reference to specific embodiments. Figure 1 —5:

[0024] A casting mold for a motor housing comprises a mold plate 1 and a core box, wherein at least two mold plates 1 are provided, and at least two mold cavities for placing the core boxes are formed between two adjacent mold plates 1, and a casting cavity adapted to the motor housing 2 is formed between the core box and the corresponding mold plates 1, and each casting cavity is connected to a casting port 3 through a casting channel.

[0025] In this embodiment, the left-right direction is the horizontal direction, the front-back direction is the longitudinal direction, and the up-down direction is the vertical direction.

[0026] The casting process of the utility model: Figure 1-5 As shown, the core box is placed in the cavity of the two mold plates 1, and then casting is performed from the casting port 3, and the molten iron flows into the casting cavity through the casting port and the casting channel.

[0027] When more than three mold plates 1 of the utility model are provided, the mold plates 1 can be produced on an assembly line. Each time one is cast, the mold plate 1 as a whole moves forward by a distance of one mold plate 1, and the second casting is performed, and the production can be carried out on the assembly line.

[0028] The utility model only needs to assemble the core box and the mold plate 1, has few parts, is easy to assemble, and can form more than two motor housings 2 by one casting, so the production efficiency is high; meanwhile, the utility model can be produced on an assembly line, so the production efficiency is high and the labor cost is low.

[0029] The structure of the core box and casting cavity: Figure 1-5 As shown, the core box includes a cylinder 4 adapted to the inner hole of the motor housing 2, and core blocks 1 5 and 2 6 relatively arranged on the outer periphery of the cylinder 4, and the casting cavity includes the space between the cylinder 4 and the core block 1 5, the space between the cylinder 4 and the core block 2 6, the space between the cylinder 4 and the left wall 7 of the cavity, and the space between the cylinder 4 and the right wall 8 of the cavity.

[0030] Furthermore, the left wall surface 7 is matched with the left side surface of the motor housing 2 , and the right wall surface 8 is matched with the right side surface of the motor housing 2 .

[0031] Furthermore, both ends of the core block 1 5 and both ends of the core block 2 6 are respectively provided with a sealing portion 9 that fits the cylinder 4, and the sealing portion 9 is adapted to the corresponding end of the motor housing 2, and both ends of the left wall surface 7 and both ends of the right wall surface 8 are respectively provided with a sealing portion 2 10 that fits the cylinder 4, and the sealing portion 2 10 is adapted to the corresponding end of the motor housing 2.

[0032] In order to form a whole with the cylinder 4, the core block 1 5 and the core block 2 6, and facilitate the placement of the core box in the mold cavity, the sealing part 1 9 is concavely formed into a groove 11 on the side close to the cylinder 4, and the sealing part 2 10 is concavely formed into a groove 2 12 on the side close to the cylinder 4. The cylinder 4 is provided with a convex block 13 adapted to the groove 11 and a convex block 2 14 adapted to the groove 2 12. The core block 1 5 and the core block 2 6 are detachably connected to the cylinder 4 through the corresponding groove 11 and convex block 13. The cylinder 4 is positioned in the mold cavity through the groove 2 12 and the convex block 2 14, which is convenient for positioning during installation.

[0033] In order to reduce the weight of the cylinder 4, facilitate installation, and save materials, the cylinder 4 is a hollow structure.

[0034] Furthermore, the pouring port 3 is arranged at the upper end of the mold plate 1 , and the pouring channel includes a main pouring channel 15 connected to the pouring port 3 , and a branch pouring channel 16 connected to the main pouring channel 15 and the pouring cavity.

[0035] In order to achieve faster casting and better casting effect, the casting cavity is provided with more than two feed ports 17 , and each feed port 17 is connected to a corresponding branch runner 16 .

[0036] In order to make full use of the space of the template 1, the axial direction of the core box can be arranged vertically or longitudinally. In this embodiment, three core boxes are arranged between two adjacent templates 1, two of which are arranged vertically and one of which is arranged longitudinally.

[0037] The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of implementation of the present utility model. Therefore, any equivalent changes made based on the shape, structure, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A casting mold for a motor housing, characterized in that: It comprises a mold plate (1) and a core box, wherein more than two mold plates (1) are provided, and more than two mold cavities for placing the core boxes are formed between two adjacent mold plates (1), and a casting cavity adapted to the motor housing (2) is formed between the core box and the corresponding mold plate (1), and each casting cavity is connected to a casting port (3) via a casting channel.

2. A casting mold for a motor housing according to claim 1, characterized in that: The core box comprises a barrel (4) adapted to the inner hole of the motor housing (2), and a core block 1 (5) and a core block 2 (6) arranged relatively on the outer periphery of the barrel (4); the casting cavity comprises a space between the barrel (4) and the core block 1 (5), a space between the barrel (4) and the core block 2 (6), a space between the barrel (4) and the left wall surface (7) of the cavity, and a space between the barrel (4) and the right wall surface (8) of the cavity.

3. A casting mold for a motor housing according to claim 2, characterized in that: The left wall surface (7) is matched with the left side surface of the motor housing (2), and the right wall surface (8) is matched with the right side surface of the motor housing (2).

4. A casting mold for a motor housing according to claim 2, characterized in that: The two ends of the core block 1 (5) and the two ends of the core block 2 (6) are respectively provided with a sealing part 1 (9) which fits the barrel (4), and the sealing part 1 (9) is matched with the corresponding end of the motor housing (2); the two ends of the left wall surface (7) and the two ends of the right wall surface (8) are respectively provided with a sealing part 2 (10) which fits the barrel (4), and the sealing part 2 (10) is matched with the corresponding end of the motor housing (2).

5. A casting mold for a motor housing according to claim 4, characterized in that: The sealing portion 1 (9) is concavely formed on one side close to the cylinder (4) to form a groove 1 (11), and the sealing portion 2 (10) is concavely formed on one side close to the cylinder (4) to form a groove 2 (12). The cylinder (4) is provided with a convex block 1 (13) adapted to the groove 1 (11) and a convex block 2 (14) adapted to the groove 2 (12).

6. A casting mold for a motor housing according to claim 2, characterized in that: The cylinder (4) is a hollow structure.

7. The casting mold for a motor housing according to claim 1, characterized in that: The casting port (3) is arranged at the upper end of the mold plate (1), and the casting channel comprises a main pouring channel (15) connected to the casting port (3), and a branch pouring channel (16) connected to the main pouring channel (15) and the casting cavity.

8. A casting mold for a motor housing according to claim 7, characterized in that: The casting cavity is provided with more than two feed ports (17), and each feed port (17) is connected to a corresponding branch runner (16).

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