Forming die for casting motor shell

Abstract

The utility model discloses a forming die for casting a motor shell, which relates to the technical field of forming dies and comprises a base, a lower die is arranged at the upper end of the base, positioning holes are arranged at four corners of the upper end of the lower die, and a lower forming groove is arranged in the middle of the upper end of the lower die. Cooling water in a water tank is conveyed into a cooling cavity through a first connecting pipe and a second connecting pipe by utilizing a first pump machine, the temperature of the cooling water is lower than that of a casting in the cooling cavity, heat of the high-temperature casting is transferred to the cooling water through heat conduction, the cooling water absorbs the heat of the casting, and the temperature of the casting is gradually reduced; the temperature of cooling water rises after heat absorption, the second pump machine conveys the cooling water into the water tank through the third connecting pipe and the second connecting pipe, the cooling water returning to the water tank is cooled through the cooling device, circulation is formed, the casting can be evenly cooled, and the forming time is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of forming die, concretely relates to a kind of forming die for casting motor shell. BACKGROUND

[0002] With the rapid development of motor industry, the casting precision and efficiency of motor shell are increasingly improved. The motor shell can effectively protect the internal coil, rotor and other electronic components, prevent the external environment from damaging the motor, and also provide necessary structural support to ensure the stable operation of each part of the motor. During the manufacturing process of the motor shell, a forming die is needed to determine the shape and size of the casting to ensure that the cast motor shell meets the design requirements.

[0003] The existing forming die often has problems such as slow forming speed and uneven cooling during casting. Slow forming speed can increase the production time of each casting, affecting the overall production efficiency. Uneven cooling can cause cracks, deformation or porosity in the casting, affecting the strength and durability of the casting. To solve the above problems, the present scheme provides a forming die for casting motor shell. SUMMARY

[0004] To solve the above technical problems, a forming die for casting motor shell is provided. The present technical scheme solves the problems of slow forming speed and uneven cooling during casting of the existing forming die, which can increase the production time of each casting and affect the overall production efficiency. Uneven cooling can cause cracks, deformation or porosity in the casting, affecting the strength and durability of the casting.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows: a forming die for casting motor shell, comprising a base, a lower die is arranged at the upper end of the base, positioning holes are arranged at the upper end of the lower die at four corner positions, a lower forming groove is arranged at the upper end of the lower die, a cooling cavity is arranged inside the lower die, a baffle is fixedly connected to the rear end of the cooling cavity, a first pump is arranged at the rear end right side of the lower die, the lower end of the first pump is fixedly connected to the upper end of the base, a water tank is arranged at the rear end of the first pump, the lower end of the water tank is fixedly connected to the upper end of the base, mounting plates are fixedly connected to the inside bottom left and right sides of the water tank, a cooling device is arranged between the two mounting plates, a first connecting pipe is fixedly connected to the output end of the first pump, the front end of the first connecting pipe is in communication with the inside of the cooling cavity, a second connecting pipe is fixedly connected to the input end of the first pump, the rear end of the second connecting pipe is in communication with the inside of the water tank, and a second pump is arranged at the rear end left side of the lower die.

[0006] Preferably, the lower end of the second pump machine is fixedly connected with the upper end of the base, the output end of the second pump machine is fixedly communicated with a third connecting pipe, the front end of the third connecting pipe is communicated with the inside of the cooling cavity, the input end of the second pump machine is fixedly communicated with a fourth connecting pipe, and the rear end of the fourth connecting pipe is communicated with the inside of the water tank.

[0007] Preferably, the upper end of the base is fixedly connected with two fixed plates on the left and right sides, the upper end of the two fixed plates is fixedly connected with a top plate, the upper end of the top plate is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder penetrates through the top plate and is fixedly connected with a lifting plate, and the lower end of the lifting plate is provided with an upper mold.

[0008] Preferably, the lower end of the upper mold is fixedly connected with a positioning rod at four corner positions, the lower end of each of the four positioning rods is provided with a buffer pad, the lower end of the upper mold is provided with an upper forming groove in the middle, and the upper end of the upper forming groove is fixedly communicated with an injection molding pipe.

[0009] Preferably, the left and right sides of the lower mold are provided with connecting plates, the lower end of the two connecting plates is fixedly connected with the upper end of the base, the upper end of the two connecting plates is fixedly connected with a limiting rod on the front and back sides, the upper end of the limiting rod is fixedly connected with the lower end of the top plate, and the outer surface of the limiting rod is slidingly connected with the left and right ends of the lifting plate.

[0010] Compared with the prior art, the utility model provides a forming mold for casting motor shell, has the following beneficial effects:

[0011] The utility model discloses a first pump machine transports the cooling water in the water tank to the inside of the cooling cavity through the first connecting pipe and the second connecting pipe, the temperature of cooling water is lower than the temperature of casting in the inside of the cooling cavity, and the high-temperature casting transmits heat to cooling water through heat conduction, cooling water absorbs the heat of casting, and the temperature of casting gradually reduces, and cooling water temperature rises after absorbing heat, and the second pump machine transports cooling water to the inside of the water tank through the third connecting pipe and the third connecting pipe, and cooling device is used to cool the cooling water back to the water tank, and the circulation is formed, can not only uniformly cool the casting, but also reduces the forming time. ACCURACY OF DRAWINGS

[0012] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0013] Figure 2 It is the structure schematic diagram of the lower mold in the utility model;

[0014] Figure 3 It is the structure schematic diagram of the inside of the water tank in the utility model;

[0015] Figure 4 is a structure schematic view of the upper die in the utility model.

[0016] Reference signs in the drawings are:

[0017] 1, base; 2, lower die; 3, positioning hole; 4, lower forming groove; 5, cooling cavity; 6, baffle; 7, first pump machine; 8, first connecting pipe; 9, second connecting pipe; 10, second pump machine; 11, third connecting pipe; 12, fourth connecting pipe; 13, water tank; 14, mounting plate; 15, cooling device; 16, fixed plate; 17, top plate; 18, hydraulic cylinder; 19, lifting plate; 20, upper die; 21, positioning rod; 22, upper forming groove; 23, buffer pad; 24, connecting plate; 25, limiting rod; 26, injection pipe. DETAILED DESCRIPTION

[0018] The following description is provided to enable those skilled in the art to practice the present application. The following description is not intended to limit the application, as described, to the preferred embodiments.

[0019] Reference Figures 1-4As shown, a forming die for casting motor housing, including the base 1, the upper end of the base 1 is provided with the lower die 2, the upper end of the lower die 2 is provided with the positioning hole 3 in the four corners, the upper end of the lower die 2 is provided with the lower forming groove 4 in the middle, the inside of the lower die 2 is provided with the cooling cavity 5, the rear end of the cooling cavity 5 is fixedly connected with the baffle 6, the baffle 6 divides the cooling cavity 5 into two parts, the cooling water enters the cooling cavity 5 from the right half of the cooling cavity 5, the cooling water absorbs the heat of the casting in the inside of the cooling cavity 5, so that the temperature of the casting gradually decreases, at this time, the temperature of the cooling water increases, the cooling water is transported to the inside of the water tank 13 through the second pump 10, is cooled through the cooling device 15, and is transported to the inside of the cooling cavity 5 through the first pump 7, forming a cycle, the rear right side of the lower die 2 is provided with the first pump 7, the lower end of the first pump 7 is fixedly connected with the upper end of the base 1, the rear end of the first pump 7 is provided with the water tank 13, the lower end of the water tank 13 is fixedly connected with the upper end of the base 1, the inside of the water tank 13 is fixedly connected with the mounting plate 14 on the left and right sides of the bottom end, the cooling device 15 is arranged between the two mounting plates 14, the cooling device 15 is used for reducing the temperature of the cooling water, the output end of the first pump 7 is fixedly communicated with the first connecting pipe 8, the front end of the first connecting pipe 8 is communicated with the inside of the cooling cavity 5, the input end of the first pump 7 is fixedly communicated with the second connecting pipe 9, the rear end of the second connecting pipe 9 is communicated with the inside of the water tank 13, the left side of the rear end of the lower die 2 is provided with the second pump 10, the lower end of the second pump 10 is fixedly connected with the upper end of the base 1, the output end of the second pump 10 is fixedly communicated with the third connecting pipe 11, the front end of the third connecting pipe 11 is communicated with the inside of the cooling cavity 5, the input end of the second pump 10 is fixedly communicated with the fourth connecting pipe 12, the rear end of the fourth connecting pipe 12 is communicated with the inside of the water tank 13.

[0020] Referring to Figure 1 and Figure 4As shown, the upper end of the base 1 is fixedly connected with the fixed plate 16 on the left and right sides, the upper end of the two fixed plates 16 is fixedly connected with the top plate 17, the upper end of the top plate 17 is fixedly connected with the hydraulic cylinder 18, the output end of the hydraulic cylinder 18 penetrates through the top plate 17 and is fixedly connected with the lifting plate 19, the lower end of the lifting plate 19 is provided with the upper mold 20, the lower end of the upper mold 20 is fixedly connected with the positioning rod 21 at the four corner positions, the lower end of the four positioning rods 21 is provided with the buffer pad 23, under the driving of the hydraulic cylinder 18, the positioning rod 21 is inserted into the inside of the positioning groove, the upper mold 20 and the lower mold 2 can be accurately positioned, the position of the upper mold 20 and the lower mold 2 is ensured to be accurate, and the vibration generated when the positioning rod 21 is inserted into the positioning hole 3 can be absorbed and dispersed through the buffer pad 23, the stability is improved, the lower end of the upper mold 20 is provided with the upper forming groove 22 in the middle, the upper end of the upper forming groove 22 is fixedly communicated with the injection pipe 26, the raw materials are conveyed into the inside of the upper forming groove 22 and the lower forming groove 4 through the injection pipe 26, the left and right sides of the lower mold 2 are provided with the connecting plate 24, the lower end of the two connecting plates 24 is fixedly connected with the upper end of the base 1, the upper end of the two connecting plates 24 is fixedly connected with the limiting rod 25 on the left and right sides, the two connecting plates 24 are located on the inside of the two fixed plates 16, the lifting plate 19 can be stably moved downward through the limiting rod 25 arranged on the upper end of the connecting plate 24, and then the upper mold 20 can be stably moved downward, the upper end of the limiting rod 25 is fixedly connected with the lower end of the top plate 17, and the outer surface of the limiting rod 25 is slidably connected with the left and right ends of the lifting plate 19.

[0021] The working principle and use process of the utility model are as follows: when using, the lifting plate 19 is driven to move downward by the hydraulic cylinder 18, the lifting plate 19 moves downward to drive the upper mold 20 to move downward, until the positioning rod 21 at the four corner positions of the lower end of the upper mold 20 is inserted into the inside of the positioning hole 3 at the four corner positions of the upper end of the lower mold 2, the upper mold 20 and the lower mold 2 can be accurately positioned, at this time, the raw materials are injected into the inside of the lower forming groove 4 and the upper forming groove 22 through the injection pipe 26, when the casting is formed, the cooling water in the water tank 13 is conveyed into the inside of the cooling cavity 5 through the first connecting pipe 8 and the second connecting pipe 9 by the first pump 7, the cooling water absorbs the heat of the casting in the inside of the cooling cavity 5, the temperature of the casting is gradually reduced, after the high-temperature casting transmits heat to the cooling water through heat conduction, the cooling water is conveyed into the inside of the water tank 13 by the second pump 10 in cooperation with the third connecting pipe 11 and the fourth connecting pipe 12, the cooling water is cooled by the cooling device 15, so as to form a cycle, the casting is uniformly cooled, after cooling, when the temperature of the casting is reduced to the required temperature for demolding, safe demolding can be carried out, and subsequent processing is entered.

[0022] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A forming mold for casting an electrical machine housing, characterized in that: The utility model relates to a plastic injection molding machine, including base (1), the upper end of base (1) is provided with lower mould (2), the upper end of lower mould (2) is evenly provided with positioning hole (3) at four corner positions, the upper end middle part of lower mould (2) is provided with lower forming groove (4), the inside of lower mould (2) is provided with cooling cavity (5), the rear end of cooling cavity (5) is fixedly connected with baffle (6), the rear end right side of lower mould (2) is provided with first pump machine (7), the lower end of first pump machine (7) is fixedly connected with the upper end of base (1), the rear end of first pump machine (7) is provided with water tank (13), the lower end of water tank (13) is fixedly connected with the upper end of base (1), the inside bottom end of water tank (13) is fixedly connected with the installation plate (14) of left and right sides, and the cooling device (15) is provided between two installation plates (14), the output of first pump machine (7) is fixedly communicated with first connecting pipe (8), the front end of first connecting pipe (8) is communicated with the inside of cooling cavity (5), the input of first pump machine (7) is fixedly communicated with second connecting pipe (9), the rear end of second connecting pipe (9) is communicated with the inside of water tank (13), and the rear end left side of lower mould (2) is provided with second pump machine (10).

2. A forming mold for casting an electrical machine housing according to claim 1, characterized in that: The lower end of second pump machine (10) is fixedly connected with the upper end of base (1), the output of second pump machine (10) is fixedly communicated with third connecting pipe (11), the front end of third connecting pipe (11) is communicated with the inside of cooling cavity (5), the input of second pump machine (10) is fixedly communicated with fourth connecting pipe (12), and the rear end of fourth connecting pipe (12) is communicated with the inside of water tank (13).

3. A forming mold for casting an electrical machine housing according to claim 1, characterized in that: The upper end of base (1) is fixedly connected with fixed plate (16) left and right sides, and the upper end of two fixed plates (16) is fixedly connected with top plate (17), the upper end middle part of top plate (17) is fixedly installed hydraulic cylinder (18), the output of hydraulic cylinder (18) penetrates top plate (17) and is fixedly connected with lifting plate (19), and the lower end of lifting plate (19) is provided with upper mould (20).

4. A forming mold for casting an electrical machine housing according to claim 3, characterized in that: The lower end of upper mould (20) is fixedly connected with positioning rod (21) at four corner positions, and the lower end of four positioning rods (21) is provided with buffer pad (23), the lower end middle part of upper mould (20) is provided with upper forming groove (22), and the upper end of upper forming groove (22) is fixedly communicated with injection tube (26).

5. A forming mold for casting an electrical machine housing according to claim 1, characterized in that: The left and right sides of lower mould (2) are provided with connecting plate (24), the lower end of two connecting plates (24) is fixedly connected with the upper end of base (1), and the upper end of two connecting plates (24) is fixedly connected with the lower end of base (1) Connecting limit rod (25), the upper end of limit rod (25) is fixedly connected with the lower end of top plate (17), The outer surface of limit rod (25) is slidingly connected with the left and right ends of lifting plate (19).

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