Epoxy resin insulator forming die

Abstract

The utility model relates to the technical field of mold design and manufacturing, and discloses an epoxy resin insulator forming mold which comprises a first closing mold, a heating assembly used for placing epoxy resin to be solidified during injection molding is arranged in the first closing mold, and the inner wall of the first closing mold is connected with a demolding plate in a sliding mode. The outer wall of the demolding plate is fixedly connected with a connecting rod, the outer wall of the connecting rod is sleeved with a reset spring, the outer wall of the connecting rod is slidably connected with a sliding plate, the outer wall of the sliding plate is fixedly connected with a push rod, the other end of the push rod is fixedly connected with a motor, and the outer wall of the motor is fixedly connected with a fixing plate; the heating assembly comprises a heater, and the outer wall of the heater is fixedly connected to the inner wall of the first die assembly. According to the utility model, the assembly capable of realizing automatic demolding after injection molding is added, so that the mold can be rapidly demolded, and the mold can be rapidly put into use next time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the mould design and manufacturing technical field especially relates to a epoxy resin insulator forming die. BACKGROUND

[0002] The epoxy resin insulator forming die is mainly based on the accurate forming principle. It can make the liquid epoxy resin solidify in the mold cavity according to the preset shape. Its effect is remarkable. First, it ensures the dimensional accuracy of the insulator, ensuring its installation matching in the power transmission and distribution line environment. Secondly, the mold makes the epoxy resin uniformly distributed, improves the mechanical and electrical performance of the insulator, ensures its withstand voltage and mechanical load, and improves the quality and service life of the insulator.

[0003] The epoxy resin insulator forming die mainly includes a mold frame, a cavity, a core, a gate, an ejection device and other components. The mold frame plays a supporting and fixing role. The cavity determines the shape of the insulator, and the resin is shaped into a specific shape. The core is used to shape the internal structure of the insulator. The gate controls the resin injection. The ejection device is used for demolding. When demolding manually, the ejection device is operated manually, such as rotating the screw with a wrench, so that the ejector pin pushes the insulator, so that it is separated from the mold, and the molded insulator is easily taken out.

[0004] In the prior art, the demolding of part of the epoxy resin insulator mold mainly relies on manual demolding, which greatly increases the time required for demolding due to manual operation, so that the mold cannot be quickly put into use next time, which greatly reduces the working efficiency of the mold. To solve the above problems, an epoxy resin insulator forming die is proposed. Utility model content

[0005] In order to make up for the above shortcomings, the utility model provides an epoxy resin insulator forming die, which aims at improving the problem that the demolding of part of the epoxy resin insulator mold in the prior art mainly relies on manual demolding, which greatly reduces the working efficiency of the mold.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An epoxy resin insulator forming die, comprising a mold, a heating assembly for placing epoxy resin solidification during injection molding is arranged in the inside of the mold, a demolding plate is slidably connected to the inner wall of the mold, a connecting rod is fixedly connected to the outer wall of the demolding plate, a return spring is sleeved on the outer wall of the connecting rod, a sliding plate is slidably connected to the outer wall of the connecting rod, a push rod is fixedly connected to the outer wall of the sliding plate, an electric motor is fixedly connected to the other end of the push rod, and a fixed plate is fixedly connected to the outer wall of the electric motor.

[0008] Further description of the above technical scheme:

[0009] The heating assembly includes a heater, the outer wall of which is fixedly connected to the inner wall of the mold assembly, a heat transfer rod is fixedly connected to the outer wall of the heater, a plurality of heat conduction pipes are fixedly connected to the outer wall of the heat transfer rod, a plurality of heating holes are provided on the inner wall of the mold assembly, and the outer wall of the heat conduction pipes is fixedly connected to the inner wall of the heating holes.

[0010] As a further description of the above technical solution:

[0011] One end of the reset spring is fixedly connected to the outer wall of the mold clamping unit, and the other end of the reset spring is fixedly connected to the outer wall of the sliding plate;

[0012] As a further description of the above technical solution:

[0013] The bottom of the fixed plate is fixedly connected to a base, and the top of the base is fixedly connected to a mold clamping device.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the mold is provided with a sealing groove, and the outer wall of the mold is provided with a positioning hole;

[0016] As a further description of the above technical solution:

[0017] A sealing ring is fixedly connected to the outer wall of the mold assembly, and multiple positioning rods are fixedly connected to the outer wall of the mold assembly.

[0018] As a further description of the above technical solution:

[0019] The inner wall of the first mold is provided with an injection hole, and the inner wall of the second mold is fixedly connected with another injection hole.

[0020] As a further description of the above technical solution:

[0021] The shape of the sealing groove matches the shape of the sealing ring, and a release module is fixedly connected to the outer wall of the fixing plate.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, the motor starts and drives the push rod, sliding plate and mold closing unit to move. During the continuous movement, the connecting rod will contact the demolding plate. At this time, the connecting rod will drive the demolding plate to slide on the inner wall of the mold closing unit. The demolding plate will slide out of the demolding plate during the continuous sliding of the mold closing unit, thereby pushing the injection-molded insulator into the mold. After demolding is completed, the reset spring drives the connecting rod to reset. The mechanical demolding method enables the mold to be demolded quickly and put into use again quickly.

[0024] 2. In this utility model, the heater generates heat, which is transferred upward through the heat transfer rod and then transferred to the heat conduction pipe. The heat conduction pipe then transfers the heat to the entire mold to heat the epoxy resin during the injection molding process, so that the injection molding can be completed in time. This prevents the insulator from being unable to be smoothly completed or even unable to be formed due to premature solidification of the epoxy resin during the injection molding process if the injection molding is not completed in time. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of an epoxy resin insulator molding die proposed in this utility model.

[0026] Figure 2 This is a schematic diagram of the structure of the reset spring of an epoxy resin insulator molding die proposed in this utility model;

[0027] Figure 3 This is a schematic diagram of the positioning rod of an epoxy resin insulator molding die proposed in this utility model;

[0028] Figure 4 This is a schematic diagram of the connecting rod of an epoxy resin insulator molding die proposed in this utility model;

[0029] Legend:

[0030] 1. Mold Closure 1; 2. Demolding Plate; 3. Connecting Rod; 4. Return Spring; 5. Sliding Plate; 6. Push Rod; 7. Demolding Plate; 8. Motor; 9. Injection Hole; 10. Heater; 11. Heat Transfer Rod; 12. Heat Conducting Pipe; 13. Fixing Plate; 14. Base; 15. Heating Hole; 16. Positioning Hole; 17. Mold Closure 2; 18. Sealing Groove; 19. Sealing Ring; 20. Positioning Rod. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0033] Example 1

[0034] Reference Figures 1 to 3 This utility model provides an embodiment of an epoxy resin insulator molding die, including a mold-closing die 1. The mold-closing die 1 is used to perform injection molding of epoxy resin insulators. The interior of the mold-closing die 1 has a heating component for placing the epoxy resin to solidify during injection molding. The existence of this heating component is to provide a suitable temperature environment for the epoxy resin during injection molding, so as to avoid premature solidification of the epoxy resin due to temperature problems, which would affect the smooth progress of injection molding. A stripper 2 is slidably connected to the inner wall of the mold-closing die 1. The stripper 2 can slide on the inner wall of the mold-closing die 1. After the injection molding is completed, the stripper 2 can push the already injection molded insulator out of the mold through a corresponding action.

[0035] A connecting rod 3 is fixedly connected to the outer wall of the demolding mold 2. The connecting rod 3 can connect and transmit power. A return spring 4 is sleeved on the outer wall of the connecting rod 3. After the demolding operation is completed, the return spring 4 can drive the connecting rod 3 to return to its original position by its own elastic restoring force. A sliding plate 5 is slidably connected to the outer wall of the connecting rod 3. The sliding plate 5 can move accordingly as the connecting rod 3 slides. A push rod 6 is fixedly connected to the outer wall of the sliding plate 5. A motor 8 is fixedly connected to the other end of the push rod 6. The motor 8 is used to drive the push rod 6 to move. A fixing plate 13 is fixedly connected to the outer wall of the motor 8. The fixing plate 13 serves to fix the motor 8. A base 14 is fixedly connected to the bottom of the fixing plate 13. The main function of the base 14 is to provide a stable support foundation for the entire mold, so that the mold can be placed stably during injection molding and other operations.

[0036] A mold clamping device 17 is fixedly connected to the top of the base 14. The mold clamping device 17 and the mold clamping device 1 cooperate with each other to form a complete mold cavity for placing epoxy resin for injection molding. The outer wall of the mold clamping device 17 is provided with a sealing groove 18 and a positioning hole 16. A sealing ring 19 is fixedly connected to the outer wall of the mold clamping device 1 and multiple positioning rods 20 are fixedly connected to the outer wall of the mold clamping device 1. The shape of the sealing groove 18 matches the shape of the sealing ring 19. During the injection molding operation, the motor 8 starts and drives the mold clamping device 1 to move. When the mold clamping device 1 is about to contact the mold clamping device 17, the positioning rods 20 on the outer wall of the mold clamping device 1 will contact the positioning holes 16 on the outer wall of the mold clamping device 17, so that the mold clamping device 1 and the mold clamping device 2 17 can be completely and tightly attached, ensuring that the two can be accurately and tightly spliced ​​together to form a complete mold cavity.

[0037] The sealing ring 19 is placed on the inner wall of the sealing groove 18. The purpose of the sealing ring 19 is to prevent the heat in the heating hole 15 from being lost due to incomplete sealing, thereby better maintaining the temperature environment inside the mold and facilitating the injection molding of epoxy resin. The outer wall of the fixing plate 13 is fixedly connected to the ejector plate 7. The ejector plate 7 will interact with the connecting rod 3 during the demolding process. After the mold closing 1 and mold closing 2 17 are joined together, epoxy resin can be injected through the injection hole 9. The mold will be heated at the same time as the injection. When the injection is completed, the motor 8 starts and drives the push rod 6, the sliding plate 5 and the mold closing 1 to move. During the continuous movement, the connecting rod 3 will come into contact with the ejector plate 7. At this time, the connecting rod 3 will drive the ejector plate 2 to slide on the inner wall of the mold closing 1. The ejector plate 2 will slide out of the ejector plate 2 during the continuous sliding of the mold closing 1, thereby pushing the insulator that has been injected into the mold.

[0038] Example 2

[0039] Reference Figures 2 to 4 The heating assembly includes a heater 10, the outer wall of which is fixedly connected to the inner wall of the mold-closing 1. The heater 10 generates heat, which is transferred upward through a heat transfer rod 11. Multiple heat conduction pipes 12 are fixedly connected to the outer wall of the heat transfer rod 11. The heat transfer rod 11 plays the role of conducting heat, transferring the heat generated by the heater 10 to the heat conduction pipes 12. Multiple heating holes 15 are opened on the inner wall of the mold-closing 1. The outer wall of the heat conduction pipes 12 is fixedly connected to the inner wall of the heating holes 15. The heat conduction pipes 12 can evenly transfer the heat from the heat transfer rod 11 to the entire mold. The heat is distributed throughout the entire mold through the heating holes 15 to heat the epoxy resin during the injection molding process, so that the injection molding can be completed smoothly under the appropriate temperature environment, and finally a qualified epoxy resin insulator is formed.

[0040] One end of the return spring 4 is fixedly connected to the outer wall of mold clamping 1, and the other end of the return spring 4 is fixedly connected to the outer wall of the sliding plate 5. The inner wall of mold clamping 1 is provided with an injection hole 9, and the inner wall of mold clamping 2 17 is fixedly connected with another injection hole 9. The injection hole 9 is a channel for injecting epoxy resin into the mold. The two injection holes 9 are located on the inner walls of mold clamping 1 and mold clamping 2 17 respectively, so that the epoxy resin can smoothly enter the mold cavity composed of mold clamping 1 and mold clamping 2 17, and then perform injection molding operation.

[0041] Work steps

[0042] When injection molding epoxy resin insulators is required, motor 8 starts, driving mold assembly 1 to move. As mold assembly 1 approaches mold assembly 27, the positioning rod 20 on the outer wall of mold assembly 1 contacts the positioning hole 16 on the outer wall of mold assembly 27, ensuring a tight fit between them. After mold assembly 1 and mold assembly 27 are fully joined, sealing ring 19 is placed on the inner wall of sealing groove 18. Sealing ring 19 prevents heat loss from heating holes 15 due to incomplete sealing. At this point, mold assembly 1 and mold assembly 2... The mold is assembled and epoxy resin is injected through injection hole 9. During injection, the mold is heated. When injection is complete, motor 8 starts and drives push rod 6, sliding plate 5 and mold closing 1 to move. During the continuous movement, connecting rod 3 will contact demolding plate 7. At this time, connecting rod 3 will drive demolding plate 2 to slide on the inner wall of mold closing 1. Demolding plate 2 will slide out of mold closing 1 during the continuous sliding, thereby pushing the insulator that has been injected into the mold. After demolding is completed, return spring 4 drives connecting rod 3 to return to its original position.

[0043] Regarding the aforementioned heating, if the injection molding process is not completed in time, the insulator may not be able to complete smoothly or even fail to form due to premature solidification of the epoxy resin during the injection process. In this case, the heater 10 will generate heat, which will be transferred upward through the heat transfer rod 11 and then transferred to the heat conduction pipe 12. The heat conduction pipe 12 will then transfer the heat to the entire mold to heat the epoxy resin during the injection molding process, so that the injection molding can be completed.

[0044] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An epoxy resin insulator molding die, comprising a mold assembly (1), characterized in that: The mold assembly (1) has a heating component inside to prevent epoxy resin from solidifying during injection molding. The mold assembly (1) is slidably connected to a release plate (2). The release plate (2) is fixedly connected to a connecting rod (3) on the outer wall. The connecting rod (3) is fitted with a return spring (4) on its outer wall. The connecting rod (3) is slidably connected to a sliding plate (5). The sliding plate (5) is fixedly connected to a push rod (6) on its outer wall. The other end of the push rod (6) is fixedly connected to a motor (8). The motor (8) is fixedly connected to a fixing plate (13) on its outer wall.

2. The epoxy resin insulator molding die according to claim 1, characterized in that: The heating assembly includes a heater (10), the outer wall of which is fixedly connected to the inner wall of the mold assembly (1), a heat transfer rod (11) is fixedly connected to the outer wall of the heater (10), a plurality of heat conduction pipes (12) are fixedly connected to the outer wall of the heat transfer rod (11), a plurality of heating holes (15) are opened on the inner wall of the mold assembly (1), and the outer wall of the heat conduction pipes (12) is fixedly connected to the inner wall of the heating holes (15).

3. The epoxy resin insulator molding die according to claim 1, characterized in that: One end of the reset spring (4) is fixedly connected to the outer wall of the mold clamping unit (1), and the other end of the reset spring (4) is fixedly connected to the outer wall of the sliding plate (5).

4. The epoxy resin insulator molding die according to claim 1, characterized in that: The bottom of the fixed plate (13) is fixedly connected to the base (14), and the top of the base (14) is fixedly connected to the mold assembly (17).

5. The epoxy resin insulator molding die according to claim 4, characterized in that: The outer wall of the mold assembly 2 (17) is provided with a sealing groove (18), and the outer wall of the mold assembly 2 (17) is provided with a positioning hole (16).

6. The epoxy resin insulator molding die according to claim 5, characterized in that: A sealing ring (19) is fixedly connected to the outer wall of the mold assembly (1), and multiple positioning rods (20) are fixedly connected to the outer wall of the mold assembly (1).

7. The epoxy resin insulator molding die according to claim 6, characterized in that: The inner wall of the first mold (1) is provided with an injection hole (9), and the inner wall of the second mold (17) is fixedly connected with another injection hole (9).

8. The epoxy resin insulator molding die according to claim 6, characterized in that: The shape of the sealing groove (18) matches the shape of the sealing ring (19), and the outer wall of the fixing plate (13) is fixedly connected with the detachable module (7).

Images