Injection molding device for plastic-coated stator shell

Abstract

The injection molding device comprises an injection molding body, a water tank, an upper mold, a lower mold, a water inlet pipe and a water outlet pipe, a water inlet rod is fixedly communicated with the left side of the front face of the lower mold, and the water outlet pipe is fixedly communicated with the right side of the front face of the lower mold. The end, away from the lower mold, of the water inlet pipe fixedly communicates with the back face of the water tank, the end, away from the lower mold, of the water outlet pipe fixedly communicates with the right side of the water tank, a mounting plate is fixedly connected to the right side of the bottom in the injection molding body, and a refrigerant tank is fixedly mounted on the front side of the right side of the top of the mounting plate. And a heat dissipation mechanism is arranged at the top of the mounting plate. According to the forming device, the refrigerant tank is arranged to cool the water outlet pipe, and the technical problem that an existing forming device is low in cooling efficiency is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of stator injection molding, in particular to an injection molding device for a plastic-coated stator shell. Background Art

[0002] Plastics are mainly composed of carbon, oxygen, hydrogen, nitrogen and other organic or inorganic elements. The finished product is solid, and it is a molten liquid during the manufacturing process. Therefore, it can be heated to melt, pressurized to make it flow, and cooled to solidify, forming various shapes. This large and varied family of materials is called plastics. Plastic parts are widely used in every field of life today, such as home appliances, instruments and meters, wires and cables, construction equipment, communications electronics, automotive industry, aerospace, daily hardware, etc. These plastic products are generally made using injection molding technology.

[0003] After searching and combining with the use of existing equipment, the prior art, for example, the utility model with publication number CN202123148012.3, discloses an internal stator plastic injection molding device. Although it can solve the technical problem of poor cooling effect of the injection mold, this problem causes top marks to be easily produced when the product is ejected, and the product is easily deformed after demolding, resulting in a low product qualification rate, affecting later use; however, during use, due to the continuous recycling of water in the water tank, the rotation of the water outlet pipe causes the water temperature to rise, which weakens the cooling efficiency of the system, thereby affecting the cooling effect of the mold. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide an injection molding device for a plastic-coated stator casing, which has the advantage of auxiliary cooling and solves the problem that due to the continuous circulation of water in the water tank, the rotation of the water outlet pipe causes the water temperature to rise, thereby weakening the cooling efficiency of the system and affecting the cooling effect of the mold.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection molding device for a plastic-coated stator shell, comprising an injection molding body, a water tank, an upper mold, a lower mold, a water inlet pipe and a water outlet pipe, characterized in that: the upper mold is movably connected to the inner wall of the injection molding body, the lower mold is fixedly connected to the bottom inside the injection molding body, the water tank is fixedly installed on the front side of the bottom inside the injection molding body, the water inlet pipe is fixedly connected to the left side of the front side of the lower mold, the water outlet pipe is fixedly connected to the right side of the front side of the lower mold, the end of the water inlet pipe away from the lower mold is fixedly connected to the back side of the water tank, the end of the water outlet pipe away from the lower mold is fixedly connected to the right side of the water tank, the right side of the bottom inside the injection molding body is fixedly connected with a mounting plate, a refrigerant tank is fixedly installed on the front side of the right side of the top of the mounting plate, and a heat dissipation mechanism is provided on the top of the mounting plate.

[0006] As a preferred embodiment of the utility model, the heat dissipation mechanism includes an evaporating coil, a condensing coil, a micro air pump and a hose, the evaporating coil is sleeved on the water outlet pipe, the micro air pump is fixedly connected to the right side of the top of the mounting plate, the condensing coil is arranged on the top of the mounting plate, and the hoses are arranged on both sides of the front of the micro air pump, one end of the bottom hose is movably connected to the suction end at the bottom of the front of the micro air pump, the end of the bottom hose away from the micro air pump is movably connected to the end of the evaporating coil away from the micro air pump, one end of the top hose is movably connected to the outlet end at the top of the front of the micro air pump, the end of the top hose away from the micro air pump is movably connected to the end of the condensing coil away from the micro air pump, and the end of the evaporating coil close to the micro air pump is fixedly connected to the end of the condensing coil close to the micro air pump.

[0007] As a preferred embodiment of the utility model, a three-way joint is provided on the front of the micro air pump, the inlet end on the back of the three-way joint is fixedly connected to the suction end at the bottom of the front of the micro air pump, the end of the hose at the bottom away from the evaporating coil is fixedly connected to the outlet end on the front of the three-way joint, and the inlet end on the right side of the three-way joint is fixedly connected to the outlet pipe of the refrigerant tank.

[0008] As a preferred embodiment of the present invention, a cooling fan is fixedly connected to the rear side of the top of the mounting plate.

[0009] As a preferred embodiment of the utility model, a temperature sensor is movably installed inside the water tank, a display is fixedly installed on the top of the water tank, and a control box is fixedly installed on the right side of the top of the water tank.

[0010] As a preferred embodiment of the present invention, a transparent observation window is fixedly embedded on the right side of the front side of the water tank.

[0011] As a preferred embodiment of the present invention, the material of the water outlet pipe is set to copper.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model provides a refrigerant tank to cool the water outlet pipe, thereby having an auxiliary cooling function and improving the energy efficiency.

[0014] 2. The utility model sets a heat dissipation mechanism so that the refrigerant enters the suction end of the micro air pump through the bottom hose, and then the micro air pump compresses the refrigerant, so that the refrigerant is transported from the outlet end through the top hose to the condensing coil, and then the refrigerant circulates through the condensing coil to dissipate heat, and then the refrigerant takes away the heat by evaporation in the evaporating coil, thereby achieving the cooling effect, and the water outlet pipe is repeatedly cooled in this way, and then a three-way joint is set to better connect the outlet of the refrigerant pipe with the suction end of the micro air pump, so that the outlet pipe of the refrigerant pipe can be replaced and disassembled.

[0015] 3. The utility model sets a cooling fan to dissipate heat for the condensing coil, thereby more effectively reducing the temperature of the condensing coil. Then, a temperature sensor, a display and a control box are set so that the temperature sensor detects the water temperature inside the water tank. The temperature detected by the temperature sensor is then transmitted to the display through the control box, so that the staff can better detect the temperature of the water inside the water tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the heat dissipation mechanism structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the cutaway three-dimensional structure of the water tank of the utility model.

[0019] In the figure: 1. Injection molding body; 2. Water tank; 3. Upper mold; 4. Lower mold; 5. Water inlet pipe; 6. Water outlet pipe; 7. Mounting plate; 8. Refrigerant tank; 9. Heat dissipation mechanism; 901. Evaporating coil; 902. Condensing coil; 903. Micro air pump; 904. Hose; 10. Three-way connector; 11. Cooling fan; 12. Temperature sensor; 13. Display; 14. Control box; 15. Transparent observation window. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 3 As shown, the utility model provides an injection molding device for a plastic-coated stator shell, comprising an injection molding body 1, a water tank 2, an upper mold 3, a lower mold 4, a water inlet pipe 5 and a water outlet pipe 6, characterized in that: the upper mold 3 is movably connected to the inner wall of the injection molding body 1, the lower mold 4 is fixedly connected to the bottom inside the injection molding body 1, the water tank 2 is fixedly installed on the front side of the bottom inside the injection molding body 1, the water inlet pipe 5 is fixedly connected to the left side of the front side of the lower mold 4, the water outlet pipe 6 is fixedly connected to the right side of the front side of the lower mold 4, the end of the water inlet pipe 5 away from the lower mold 4 is fixedly connected to the back side of the water tank 2, the end of the water outlet pipe 6 away from the lower mold 4 is fixedly connected to the right side of the water tank 2, a mounting plate 7 is fixedly connected to the right side of the bottom inside the injection molding body 1, a refrigerant tank 8 is fixedly installed on the front side of the right side of the top of the mounting plate 7, and a heat dissipation mechanism 9 is provided on the top of the mounting plate 7.

[0022] refer to Figure 2 The heat dissipation mechanism 9 includes an evaporating coil 901, a condensing coil 902, a micro air pump 903 and a hose 904. The evaporating coil 901 is sleeved on the water outlet pipe 6. The micro air pump 903 is fixedly connected to the right side of the top of the mounting plate 7. The condensing coil 902 is arranged on the top of the mounting plate 7. The hoses 904 are arranged on both sides of the front of the micro air pump 903. One end of the bottom hose 904 is movably connected to the suction end at the bottom of the front of the micro air pump 903. The end of the bottom hose 904 away from the micro air pump 903 is movably connected to the end of the evaporating coil 901 away from the micro air pump 903. One end of the top hose 904 is movably connected to the outlet end of the top of the front of the micro air pump 903. The end of the top hose 904 away from the micro air pump 903 is movably connected to the end of the condensing coil 902 away from the micro air pump 903. The end of the evaporating coil 901 close to the micro air pump 903 is fixedly connected to the end of the condensing coil 902 close to the micro air pump 903.

[0023] As a technical optimization scheme of the utility model, by setting up the heat dissipation mechanism 9, the refrigerant enters the suction end of the micro air pump 903 through the bottom hose 904, and then the micro air pump 903 compresses the refrigerant, so that the refrigerant is transported from the outlet end through the top hose 904 to the condensing coil 902, and then the refrigerant circulates through the condensing coil 902 to dissipate heat, and then the refrigerant takes away the heat by evaporation in the evaporating coil 901, thereby achieving the effect of refrigeration, and the heat is dissipated to the water outlet pipe 6 repeatedly in this way.

[0024] refer to Figure 2 A three-way joint 10 is provided on the front of the micro air pump 903, and the inlet end on the back of the three-way joint 10 is fixedly connected to the suction end at the bottom of the front of the micro air pump 903, and the end of the bottom hose 904 away from the evaporating coil 901 is fixedly connected to the outlet end on the front of the three-way joint 10, and the inlet end on the right side of the three-way joint 10 is fixedly connected to the outlet pipe of the refrigerant tank 8.

[0025] As a technical optimization solution of the utility model, by providing a three-way joint 10, the outlet of the refrigerant pipe is better connected to the suction end of the micro air pump 903, so that the outlet pipe of the refrigerant pipe can be replaced and disassembled.

[0026] refer to Figure 2 A cooling fan 11 is fixedly connected to the rear side of the top of the mounting plate 7 .

[0027] As a technical optimization solution of the present invention, a heat dissipation fan 11 is provided so that the heat dissipation fan 11 can dissipate heat for the condensing coil 902 , thereby more effectively reducing the temperature of the condensing coil 902 .

[0028] refer to Figure 3A temperature sensor 12 is movably installed inside the water tank 2, a display 13 is fixedly installed on the top of the water tank 2, and a control box 14 is fixedly installed on the right side of the top of the water tank 2.

[0029] As a technical optimization solution of the utility model, by setting a temperature sensor 12, a display 13 and a control box 14, the temperature sensor 12 detects the water temperature inside the water tank 2, and then the temperature detected by the temperature sensor 12 is transmitted to the display 13 through the control box 14, so that the staff can better detect the temperature of the water inside the water tank 2.

[0030] refer to Figure 2 A transparent observation window 15 is fixedly inlaid on the right side of the front side of the water tank 2.

[0031] As a technical optimization solution of the present invention, by providing a transparent observation window 15 , the staff can observe the water consumption inside the water tank 2 through the observation window, and thus add water inside the water tank 2 .

[0032] refer to Figure 1 The material of the water outlet pipe 6 is set to copper.

[0033] As a technical optimization solution of the utility model, the water outlet pipe 6 is made of copper to improve the thermal conductivity of the water outlet pipe 6, so that the water outlet pipe 6 can better absorb the temperature of the hot water circulated from the lower mold 4, thereby improving the heat dissipation of the water outlet pipe 6.

[0034] The working principle and use process of the utility model are as follows: when in use, the water inside the water outlet pipe 6 is extracted by the water pump inside the water tank 2, so that the evaporating coil 901 is sleeved on the surface of the water outlet pipe 6, and the refrigerant enters the suction end of the micro air pump 903 through the bottom hose 904, and then the micro air pump 903 compresses the refrigerant, so that the refrigerant is transported from the outlet end through the top hose 904 to the condensing coil 902, and then the refrigerant circulates through the condensing coil 902 to dissipate heat, and then the refrigerant takes away the heat by evaporation in the evaporating coil 901, so as to achieve the effect of refrigeration, and the water outlet pipe 6 is repeatedly cooled in this way, so as to have the effect of auxiliary heat dissipation, and at the same time, the cooling fan 11 cools the condensing coil 902, so as to more effectively reduce the temperature of the condensing coil 902, and then the temperature sensor 12 detects the water temperature inside the water tank 2, and then the temperature detected by the temperature sensor 12 is transmitted to the display 13 through the control box 14, so that the staff can better detect the temperature of the water inside the water tank 2.

[0035] In summary, the injection molding device for the plastic-coated stator housing of the utility model cools the water outlet pipe 6 by arranging a refrigerant tank 8, thereby improving the cooling effect.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection molding device for a plastic-coated stator housing, comprising an injection molding body (1), a water tank (2), an upper mold (3), a lower mold (4), a water inlet pipe (5) and a water outlet pipe (6), characterized in that: The upper mold (3) is movably connected to the inner wall of the injection molding body (1), the lower mold (4) is fixedly connected to the bottom of the injection molding body (1), the water tank (2) is fixedly installed on the front side of the bottom of the injection molding body (1), the water inlet pipe (5) is fixedly connected to the left side of the front of the lower mold (4), the water outlet pipe (6) is fixedly connected to the right side of the front of the lower mold (4), the end of the water inlet pipe (5) away from the lower mold (4) is fixedly connected to the back of the water tank (2), the end of the water outlet pipe (6) away from the lower mold (4) is fixedly connected to the right side of the water tank (2), the right side of the bottom of the injection molding body (1) is fixedly connected to a mounting plate (7), the front side of the right side of the top of the mounting plate (7) is fixedly installed with a refrigerant tank (8), and the top of the mounting plate (7) is provided with a heat dissipation mechanism (9).

2. The injection molding device for overmolding a stator housing according to claim 1, characterized in that: The heat dissipation mechanism (9) comprises an evaporating coil (901), a condensing coil (902), a micro air pump (903) and a hose (904); the evaporating coil (901) is sleeved on the water outlet pipe (6); the micro air pump (903) is fixedly connected to the right side of the top of the mounting plate (7); the condensing coil (902) is arranged on the top of the mounting plate (7); the hoses (904) are arranged on both sides of the front of the micro air pump (903); one end of the hose (904) at the bottom is movably connected to the suction end at the bottom of the front of the micro air pump (903); and the hose (904) at the bottom is movably connected to the suction end at the bottom of the front of the micro air pump (903). One end of the hose (904) away from the micro air pump (903) is movably connected to one end of the evaporating coil (901) away from the micro air pump (903); one end of the hose (904) at the top is movably connected to the outlet end at the top of the front face of the micro air pump (903); one end of the hose (904) at the top is away from the micro air pump (903) and one end of the condensing coil (902) away from the micro air pump (903); one end of the evaporating coil (901) close to the micro air pump (903) is fixedly connected to one end of the condensing coil (902) close to the micro air pump (903).

3. The injection molding device for overmolding a stator housing according to claim 2, characterized in that: A three-way joint (10) is provided on the front of the micro air pump (903); the inlet end on the back of the three-way joint (10) is fixedly connected to the suction end at the bottom of the front of the micro air pump (903); the end of the hose (904) at the bottom away from the evaporating coil (901) is fixedly connected to the outlet end on the front of the three-way joint (10); and the inlet end on the right side of the three-way joint (10) is fixedly connected to the outlet pipe of the refrigerant tank (8).

4. The injection molding device for overmolding a stator housing according to claim 1, characterized in that: A cooling fan (11) is fixedly connected to the rear side of the top of the mounting plate (7).

5. The injection molding device for overmolding a stator housing according to claim 1, characterized in that: A temperature sensor (12) is movably installed inside the water tank (2), a display (13) is fixedly installed on the top of the water tank (2), and a control box (14) is fixedly installed on the right side of the top of the water tank (2).

6. The injection molding device for overmolding a stator housing according to claim 1, characterized in that: A transparent observation window (15) is fixedly embedded on the right side of the front side of the water tank (2).

7. The injection molding device for overmolding a stator housing according to claim 1, characterized in that: The material of the water outlet pipe (6) is copper.

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