Die-casting die for motor shell

Abstract

The utility model relates to a die-casting die for a motor shell, which comprises an upper die holder, a lower die holder, die feet, an upper die core and a lower die core, the upper die holder and the lower die holder are assembled in a vertically stacked manner, and the upper die core and the lower die core which are vertically stacked are mounted between the upper die holder and the lower die holder. A mold cavity structure is arranged between the upper mold core and the lower mold core, a left core pulling structure is installed on the left portion between the upper mold base and the lower mold base, a right core pulling structure is installed on the right portion between the upper mold base and the lower mold base, and mold feet are installed on the lower end face of the lower mold base. The upper end of the left core-pulling structure is provided with a sprue structure penetrating through the upper mold base, the left core-pulling structure comprises a left core-pulling support, a left core-pulling oil cylinder, a left core-pulling sliding block, a connecting sliding block and a left core-pulling insert, and the left side of the lower mold base is provided with the left core-pulling support. The device has the characteristics of reducing the product cost, ensuring the overall structure of the product, improving the product quality and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor casing die casting technical field especially relates to a kind of die casting mould for motor casing. BACKGROUND

[0002] Motor casing needs to pass through two processes in production process, first pass through the overall forming of die casting mould, then need to pass through drilling machine and carry out drilling operation to the edge of one end of casing, in the production process, the cost is higher, is not conducive to mass production, to solve the above technical problem, the mould needs to be reformed. SUMMARY

[0003] The utility model provides a kind of die casting mould for motor casing, with reduce product cost, ensure product overall structure, improve product quality and so on.

[0004] The utility model discloses a kind of die casting mould for motor casing, including upper die holder, lower die holder, die foot, upper die core and lower die core, the upper die holder and lower die holder are stacked and assembled, the upper die core and lower die core are installed between the upper die holder and lower die holder and stacked, die cavity structure is arranged between the upper die core and lower die core, left core-pulling structure is installed at the left part between the upper die holder and lower die holder, right core-pulling structure is installed at the right part between the upper die holder and lower die holder, die foot is installed on the lower end surface of lower die holder, the gate structure is installed through the upper die holder in the upper end of left core-pulling structure, the left core-pulling structure includes left core-pulling support, left core-pulling oil cylinder, left core-pulling slider, connecting slider and left core-pulling insert, left core-pulling support is installed on the left side of lower die holder, left core-pulling oil cylinder is installed on the left core-pulling support with main shaft facing right, left core-pulling slider is installed in the left part of lower die holder, connecting slider is installed on the right side of left core-pulling slider, left core-pulling insert is inserted into die cavity structure and installed on the right side of connecting slider, a plurality of hole site forming pins that are inserted into die cavity structure are evenly arranged at the right edge of connecting slider.

[0005] In the technical solution, the connecting slider is used as the installation base of the hole site forming pin, the connecting slider is assembled by two half-cylindrical blocks, the flat surfaces of the half-cylindrical blocks are attached to each other, so that the connecting slider has a half-cylindrical structure, the diameter of the right end of the connecting slider is smaller than the diameter of the left end of the connecting slider, and the hole site forming pin arranged at the right edge of the right end of the connecting slider ensures the formation of the hole site at the left end of the motor casing, so that the overall formation of the product is achieved, secondary processing of the motor is avoided, and the production cost is reduced.

[0006] As a supplement to the technical scheme, the right core-pulling structure comprises a right core-pulling support, a right core-pulling oil cylinder, a right core-pulling slider, a right core-pulling structure and a groove forming rod, the right core-pulling support is installed on the right side of the lower die seat, the right core-pulling oil cylinder with the main shaft extending to the left is installed on the right core-pulling support, the right core-pulling slider is installed on the right part of the lower die seat, the right core-pulling slider and the main shaft of the right core-pulling oil cylinder are in butt joint, the right core-pulling structure is installed on the left side of the right core-pulling slider, and the groove forming rod is inserted into the right end of the mold cavity structure.

[0007] As a supplement to the technical scheme, the front core-pulling structure is installed between the front part of the upper die seat and the lower die seat, and the rear core-pulling structure is installed between the rear part of the upper die seat and the lower die seat.

[0008] As a supplement to the technical scheme, the front core-pulling structure comprises a front core-pulling support, a front core-pulling oil cylinder, a front core-pulling slider and a front core-pulling structure, the front core-pulling support is installed on the front side of the lower die seat, the front core-pulling oil cylinder with the main shaft extending to the rear is installed on the front core-pulling support, the front core-pulling slider is installed in the front part of the lower die seat, and the front core-pulling structure is installed at the rear end of the front core-pulling slider.

[0009] As a supplement to the technical scheme, the rear core-pulling structure comprises a rear core-pulling support, a rear core-pulling oil cylinder, a rear core-pulling slider and a rear core-pulling structure, the rear core-pulling support is installed on the rear side of the lower die seat, the rear core-pulling oil cylinder with the main shaft extending to the front is installed on the rear core-pulling support, the rear core-pulling slider is installed in the rear part of the lower die seat, and the rear core-pulling structure is installed on the front side of the rear core-pulling slider and connected with the main shaft of the rear core-pulling oil cylinder.

[0010] As a supplement to the technical scheme, the rear core-pulling structure comprises a rear core-pulling support, a rear core-pulling oil cylinder, a rear core-pulling slider and a rear core-pulling structure, the rear core-pulling support is installed on the rear side of the lower die seat, the rear core-pulling oil cylinder with the main shaft extending to the front is installed on the rear core-pulling support, the rear core-pulling slider is installed in the rear part of the lower die seat, and the rear core-pulling structure is installed on the front side of the rear core-pulling slider and connected with the main shaft of the rear core-pulling oil cylinder.

[0011] Beneficial effects: the utility model relates to a kind of die casting mould for motor shell, and installation connecting slider is used as the installation base of hole forming bolt, the hole forming bolt of the right end edge of connecting slider is ensured to form the hole of the left end of motor shell, so that product overall forming is realized;With the characteristics of reducing product cost, ensuring product overall structure, improving product quality etc. ACCURACY OF DRAWINGS

[0012] Figure 1 It is the front view of the utility model;

[0013] Figure 2is a top view of the utility model;

[0014] Figure 3 is the utility model Figure 2 A-A direction section view in the middle;

[0015] Figure 4 is the utility model Figure 2 B-B direction section view in the middle.

[0016] Fig. 1, upper die seat, 2, lower die seat, 3, die foot, 4, lifting ring, 5, left core-pulling structure, 6, right core-pulling structure, 7, front core-pulling structure, 8, rear core-pulling structure, 9, upper mold core, 10, lower mold core, 11, gate structure, 12, cavity structure, 13, connecting sliding block, 14, hole site forming bolt, 15, left core-pulling insert, 16, left core-pulling support, 17, left core-pulling sliding block, 18, left core-pulling oil cylinder, 19, right core-pulling, 20, groove body forming rod, 21, right core-pulling oil cylinder, 22, right core-pulling sliding block, 23, right core-pulling support, 24, heat dissipation structure forming groove, 25, front core-pulling, 26, front core-pulling sliding block, 27, front core-pulling oil cylinder, 28, front core-pulling support, 29, rear core-pulling, 30, rear core-pulling oil cylinder, 31, rear core-pulling support, 32, rear core-pulling sliding block. DETAILED DESCRIPTION

[0017] The utility model is further described below in combination with specific embodiments. It should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to the present application.

[0018] The embodiment of the utility model relates to a die-casting die for motor shell, such as Figure 1As shown in figure 4, it comprises an upper die holder 1, a lower die holder 2, a die foot 3, an upper die core 9 and a lower die core 10, the upper die holder 1 and the lower die holder 2 are stacked vertically, the upper die core 9 and the lower die core 10 are installed between the upper die holder 1 and the lower die holder 2 in a vertical stack, the die cavity structure 12 is arranged between the upper die core 9 and the lower die core 10, the left core pulling structure 5 is installed between the left part of the upper die holder 1 and the lower die holder 2, the right core pulling structure 6 is installed between the right part of the upper die holder 1 and the lower die holder 2, the die foot 3 is installed on the lower end face of the lower die holder 2, the gate structure 11 is installed on the upper end of the left core pulling structure 5 and passes through the upper die holder 1, the left core pulling structure 5 comprises a left core pulling bracket 16, a left core pulling oil cylinder 18, a left core pulling slider 17, a connecting slider 13 and a left core pulling insert 15, the left core pulling bracket 16 is installed on the left side of the lower die holder 2, the left core pulling oil cylinder 18 with the main shaft pointing to the right is installed on the left core pulling bracket 16, the left core pulling slider 17 is installed in the left part of the lower die holder 2, the connecting slider 13 is installed on the right side of the left core pulling slider 17, the left core pulling insert 15 is inserted into the die cavity structure 12 and installed on the right side of the connecting slider 13, a plurality of hole site forming pins 14 are uniformly arranged on the right edge of the connecting slider 13 and inserted into the die cavity structure 12.

[0019] In the technical solution, the connecting slider 13 is used as the installation base of the hole site forming pin 14, the connecting slider 13 is assembled by two half-cylinder blocks, the flat surfaces of the half-cylinder blocks are attached to each other, so that the connecting slider 13 has a half-cylinder structure, the diameter of the right end of the connecting slider 13 is smaller than the diameter of the left end of the connecting slider 13, and the hole site forming pin 14 arranged on the right edge of the right end of the connecting slider 13 ensures the molding of the hole site on the left end of the motor shell, so that the overall product is molded, avoiding secondary processing of the motor, thereby reducing production cost.

[0020] As a supplement to the technical solution, the right core pulling structure 6 comprises a right core pulling bracket 23, a right core pulling oil cylinder 21, a right core pulling slider 22, a right core pulling 19 and a groove body forming rod 20, the right core pulling bracket 23 is installed on the right side of the lower die holder 2, the right core pulling oil cylinder 21 with the main shaft pointing to the left is installed on the right core pulling bracket 23, the right core pulling slider 22 is installed in the right part of the lower die holder 2, the right core pulling slider 22 and the main shaft of the right core pulling oil cylinder 21 are in butt joint, the right core pulling 19 is installed on the left side of the right core pulling slider 22, and the groove body forming rod 20 is inserted into the right end of the die cavity structure 12 and installed in the right core pulling 19.

[0021] As a supplement to the technical solution, the front core pulling structure 7 is installed between the front part of the upper die holder 1 and the lower die holder 2, and the rear core pulling structure 8 is installed between the rear part of the upper die holder 1 and the lower die holder 2.

[0022] As a supplement to the technical solution, the front core-pulling structure 7 comprises a front core-pulling support 28, a front core-pulling oil cylinder 27, a front core-pulling slider 26 and a front core-pulling 25, the front side of the lower mold base 1 is provided with the front core-pulling support 28, the rear of the main shaft of the front core-pulling support 28 is provided with the front core-pulling oil cylinder 27, the front of the lower mold base 1 is provided with the front core-pulling slider 26, and the rear end of the front core-pulling slider 26 is provided with the front core-pulling 25.

[0023] As a supplement to the technical solution, the rear core-pulling structure 8 comprises a rear core-pulling support 31, a rear core-pulling oil cylinder 30, a rear core-pulling slider 32 and a rear core-pulling 29, the rear side of the lower mold base 1 is provided with the rear core-pulling support 31, the front of the main shaft of the rear core-pulling support 31 is provided with the rear core-pulling oil cylinder 30, the rear of the lower mold base 1 is provided with the rear core-pulling slider 32, and the rear core-pulling slider 32 and the main shaft of the rear core-pulling oil cylinder 30 are connected, and the front side of the rear core-pulling slider 32 is provided with the rear core-pulling 29.

[0024] As a supplement to the technical solution, the rear core-pulling 29 is provided with a plurality of heat dissipation structure forming grooves 24 on the side close to the mold cavity structure 12, the front core-pulling 25 is provided with a plurality of heat dissipation structure forming grooves 24 on the side close to the mold cavity structure 12, and the heat dissipation structure forming grooves 24 are in the form of horizontal grooves.

[0025] The die-casting die for the motor shell provided by the present application is described in detail above, and the principles and implementation modes of the present application are described by using specific examples. The above description of the examples is only used to help understand the method of the present application and its core idea. Meanwhile, for those skilled in the art, according to the idea of the present application, the specific implementation modes and application ranges will be changed, and the above description should not be understood as a limitation of the present application.

Claims

1. A die-casting die for an electric machine housing, comprising an upper die seat (1), a lower die seat (2), a die foot (3), an upper die core (9) and a lower die core (10), said upper die seat (1) and lower die seat (2) being assembled one on top of the other, said upper die seat (1) and lower die seat (2) being fitted with an upper die core (9) and a lower die core (10) one on top of the other, said upper die core (9) and lower die core (10) being provided with a die cavity structure (12) between them, said upper die seat (1) and lower die seat (2) being fitted with a left core-pulling structure (5) at the left part between them, said upper die seat (1) and lower die seat (2) being fitted with a right core-pulling structure (6) at the right part between them, said lower die seat (2) being fitted with a die foot (3) on the lower end face thereof, characterized in that: The upper end of the left core-pulling structure (5) is provided with a gate structure (11) penetrating the upper die seat (1), the left core-pulling structure (5) comprises a left core-pulling support (16), a left core-pulling oil cylinder (18), a left core-pulling slider (17), a connecting slider (13) and a left core-pulling insert (15), the left side of the lower die seat (2) is provided with the left core-pulling support (16), the left core-pulling support (16) is provided with the left core-pulling oil cylinder (18) with the main shaft extending to the right, the left part of the lower die seat (2) is internally provided with the left core-pulling slider (17), the right side of the left core-pulling slider (17) is provided with the connecting slider (13), the right side of the connecting slider (13) is provided with the left core-pulling insert (15) inserted into the mold cavity structure (12), and the right edge of the connecting slider (13) is uniformly provided with a plurality of hole position forming pins (14) of the mold cavity structure (12).

2. A die casting mould for an electric machine housing according to claim 1, characterized in that: The right core-pulling structure (6) comprises a right core-pulling support (23), a right core-pulling oil cylinder (21), a right core-pulling slider (22), a right core-pulling (19) and a groove body forming rod (20), the right side of the lower die seat (2) is provided with the right core-pulling support (23), the right core-pulling support (23) is provided with the right core-pulling oil cylinder (21) with the main shaft extending to the left, the right part of the lower die seat (2) is internally provided with the right core-pulling slider (22), the right core-pulling slider (22) and the main shaft of the right core-pulling oil cylinder (21) are in butt joint, the left side of the right core-pulling slider (22) is provided with the right core-pulling (19), and the right core-pulling (19) is internally provided with the groove body forming rod (20) inserted into the right end of the mold cavity structure (12).

3. A die casting mould for an electric machine housing according to claim 1, characterized in that: The front core-pulling structure (7) is arranged between the front part of the upper die seat (1) and the lower die seat (2), and the rear core-pulling structure (8) is arranged between the rear part of the upper die seat (1) and the lower die seat (2).

4. A die casting mould for an electric machine housing according to claim 3, characterized in that: The front core-pulling structure (7) comprises a front core-pulling support (28), a front core-pulling oil cylinder (27), a front core-pulling slider (26) and a front core-pulling (25), the front side of the lower die seat (2) is provided with the front core-pulling support (28), the front core-pulling support (28) is provided with the front core-pulling oil cylinder (27) with the main shaft extending to the rear, the front part of the lower die seat (2) is internally provided with the front core-pulling slider (26), and the rear end of the front core-pulling slider (26) is provided with the front core-pulling (25).

5. A die casting mould for an electric machine housing according to claim 4, characterized in that: The rear core-pulling structure (8) comprises a rear core-pulling support (31), a rear core-pulling oil cylinder (30), a rear core-pulling slider (32) and a rear core-pulling (29), the rear side of the lower die seat (2) is provided with the rear core-pulling support (31), the rear core-pulling support (31) is provided with the rear core-pulling oil cylinder (30) with the main shaft extending to the front, the rear part of the lower die seat (2) is internally provided with the rear core-pulling slider (32), and the rear core-pulling slider (32) and the main shaft of the rear core-pulling oil cylinder (30) are connected, and the front side of the rear core-pulling slider (32) is provided with the rear core-pulling (29).

6. A die casting mould for an electric machine housing according to claim 5, characterized in that: The rear core-pulling (29) is provided with several heat dissipation structure forming grooves (24) on one side of the mold cavity structure (12) in parallel from top to bottom, the front core-pulling (25) is provided with several heat dissipation structure forming grooves (24) on one side of the mold cavity structure (12) in parallel from top to bottom, and the heat dissipation structure forming grooves (24) are in the form of horizontal grooves.

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