A special injection molding machine for hybrid insulators

Abstract

The utility model relates to the technical field of injection molding of mixed insulator, specifically relates to a kind of injection molding machine special for mixed insulator, including hydraulic mold clamping system, shift mechanism, mold opening and closing system, injection system, hydraulic mold clamping system includes upper die holder, lower die holder, mold clamping oil cylinder and auxiliary oil cylinder;Shift mechanism includes guide rail, lower hot plate, shift oil cylinder;Mold opening and closing system includes template, a pair of lateral sliding die, opening and closing hydraulic cylinder;Injection system includes feeding mechanism, injection mechanism, plasticizing mechanism, runner plate, upper hot plate, nozzle.The utility model realizes quick mold clamping by two auxiliary oil cylinders, and mold clamping force is directly completed by one main cylinder, both can save working time, and can also ensure that operation height is consistent;Shift oil cylinder is driven by auxiliary slider to move lower template quickly and flexibly, positioning is accurate and reliable, and it is ensured that mold is not damaged;Through modular design and intelligent control, the production efficiency of mixed insulator and product reliability are improved.

Description

Technical Field

[0001] This utility model relates to the field of injection molding technology for hybrid insulators, and specifically to an injection molding machine for hybrid insulators. Background Technology

[0002] The development of hybrid insulator injection molding technology stems from the limitations of traditional insulators in ultra-high voltage (UHV) power transmission scenarios. While first-generation ceramic / glass insulators have a long lifespan, they suffer from fragility, flashover susceptibility, and high maintenance costs. Second-generation composite insulators, despite their excellent anti-pollution performance, are hampered by their soft materials and short lifespan, making them unsuitable for large-scale construction. Against this backdrop, the third-generation hybrid insulator emerged. By encapsulating silicone rubber around a ceramic / glass insulating core, it combines the high mechanical strength and anti-pollution properties of both materials, achieving an expected lifespan of up to 70 years and 40-50 years of maintenance-free operation, thus becoming a key component for UHV power transmission.

[0003] However, there is still a lack of dedicated molding equipment for injection molding of hybrid insulators. Existing general-purpose equipment and processes have insufficient process control precision, poor material compatibility, and low production efficiency, which affects the performance improvement and large-scale application of hybrid insulators. Utility Model Content

[0004] To improve the quality and production efficiency of hybrid insulators, this utility model provides a special injection molding machine for hybrid insulators.

[0005] The objective of this utility model is achieved through the following technical solution. A special injection molding machine for hybrid insulators, according to this utility model, includes: The hydraulic mold closing system includes a fixed upper mold base, a lower mold base located below the upper mold base and capable of sliding up and down to achieve mold closing or opening with the upper mold base, a mold closing cylinder for driving the lower mold base, and auxiliary cylinders located on both sides of the mold closing cylinder. The mold moving mechanism includes a guide rail mounted on the lower mold base, a lower heating plate slidably mounted on the guide rail, and a mold moving cylinder that drives the lower heating plate to slide. The mold opening and closing system includes a lower template set on the lower hot plate, a pair of lateral sliding mold cores symmetrically arranged on the lower template and capable of sliding on the lower template to realize mold taking or releasing, and an opening and closing hydraulic cylinder for driving the lateral sliding mold cores to slide. The injection system includes a feeding mechanism, an injection mechanism, a plasticizing mechanism with an inlet connected to the output end of the feeding mechanism and an outlet connected to the output end of the injection mechanism, a runner plate fixed below the upper mold base, an upper heating plate fixed below the runner plate, and a nozzle that passes through the upper heating plate and communicates with the runner plate.

[0006] Furthermore, the molding machine also includes an oil tank, a hydraulic pump connected to the oil tank and providing power to the mold closing cylinder, auxiliary cylinder, mold moving cylinder, opening and closing hydraulic cylinder, feeding mechanism, and injection mechanism, and a hydraulic circuit connecting the oil tank and the hydraulic pump.

[0007] Furthermore, the hydraulic pump is connected to the mold closing cylinder and the auxiliary cylinder via a mold closing oil pipe, which is located inside the frame at the bottom of the molding machine.

[0008] Furthermore, a base is provided on the frame at the bottom of the molding machine, and a tie column is vertically installed on the base. The upper mold base is fixed to the top of the tie column, and the lower mold base is slidably installed on the tie column.

[0009] Furthermore, the inner side of the guide rail is provided with a roller plate for reducing the sliding resistance of the lower hot plate, and several rollers are distributed on the roller plate along the length of the guide rail.

[0010] Furthermore, a mold core is provided on the lower template, and lateral sliding mold cores are symmetrically arranged on both sides of the mold core.

[0011] Furthermore, the oil pipe connected to the opening and closing hydraulic cylinder is fixed by an oil pipe limit bracket.

[0012] Furthermore, the feeding mechanism is provided with a feeding port.

[0013] Furthermore, the molding machine also includes a temperature control system, which includes insulation pipes for the parts of the molding machine that need to be heated, a warm oil pump installed on the insulation pipes to provide power for the circulation of warm oil, a motor that provides power for the warm oil pump, a filter that filters the warm oil, a cooling pipes for the parts of the molding machine that need to be cooled, and a cooler that cools the cooling water in the cooling pipes.

[0014] Furthermore, the molding machine also includes an electrical cabinet, a control device installed inside the electrical cabinet, an operation panel connected to the control device, and an alarm light. Two operation panels are provided, one of which is mounted on the upper mold base via a rotating bracket, and the other operation panel is hinged to the machine housing where the electrical cabinet is located.

[0015] Compared with the prior art, the advantages of this utility model are: The injection molding machine for hybrid insulators described in this utility model is a specialized rubber injection machine designed specifically for the characteristics of hybrid insulator products. It features feeding, plasticizing, and injection devices specifically designed for silicone rubber, and a glue inlet device (nozzle, runner plate, etc.) designed for the molding method of hybrid insulators. It also utilizes two auxiliary cylinders for rapid mold closing, while the clamping force is directly controlled by a main cylinder (mold closing cylinder), saving working time and ensuring consistent operation. The mold moving cylinder, via an auxiliary slider (mold moving top plate), drives the lower mold plate to move quickly and flexibly, ensuring precise and reliable positioning and preventing mold damage. The machine has a compact structure, reasonable layout, fast injection speed, uniform heating, and precise material storage. Furthermore, its modular design and intelligent control improve the production efficiency and product reliability of hybrid insulators.

[0016] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the purpose, features and advantages of this utility model more obvious and easy to understand, the following are preferred embodiments, and detailed descriptions are provided in conjunction with the accompanying drawings. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of an embodiment of the injection molding machine for hybrid insulators according to this utility model; Figure 2 This is a schematic diagram of an embodiment of the injection molding machine for hybrid insulators of this utility model after the machine housing has been removed; Figure 3 for Figure 2 Schematic diagram of the hydraulic clamping system; Figure 4 for Figure 2 A schematic diagram of the moving mold mechanism; Figure 5 for Figure 2 Schematic diagram of the middle mold opening and closing system; Figure 6 for Figure 2 A schematic diagram of the injection system.

[0018] Figure label: 1. Hydraulic mold closing system; 11. Mold closing cylinder; 12. Base; 13. Oil tank; 14. Hydraulic pump; 15. Mold closing oil pipe; 16. Lower mold base; 17. Guide pillar; 18. Upper mold base; 19. Auxiliary cylinder.

[0019] 2. Mold moving mechanism; 21. Mold moving cylinder; 22. Guide rail; 23. Roller plate; 24. Lower heating plate; 25. Mold moving top plate; 26. Connecting plate.

[0020] 3. Mold opening and closing system; 31. Lower mold plate; 32. Lateral sliding mold core; 33. Mold core; 34. Mounting cavity; 35. Tie rod mating block; 36. Piston tie rod; 37. Opening and closing hydraulic cylinder; 38. Oil pipe; 39. Oil pipe limit bracket.

[0021] 4. Injection system; 41. Feeding mechanism; 411. Feeding port; 42. Plasticizing mechanism; 43. Injection mechanism; 44. Fixing frame; 45. Injection barrel support frame; 46. Feeding barrel support frame; 47. Runner plate; 48. Upper heating plate; 49. Nozzle.

[0022] 5. Temperature control system; 51. Oil pump; 52. Cooler; 53. Filter; 55. Motor.

[0023] 61. Rotating bracket; 62. Control panel; 63. Electrical cabinet.

[0024] 7. Frame; 8. Housing; 9. Alarm light. Detailed Implementation

[0025] 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.

[0026] An embodiment of this utility model is a special injection molding machine for hybrid insulators, such as... Figures 1 to 6 As shown, it includes a hydraulic mold closing system 1, a mold moving mechanism 2, a mold opening and closing system 3, an injection system 4, a temperature control system 5, and a control system.

[0027] The hydraulic clamping system 1 is located at the front end of the injection molding machine and includes a clamping cylinder 11, a base 12, an oil tank 13, a hydraulic pump 14, a clamping oil pipe 15, a lower mold base 16, a guide pillar 17, an upper mold base 18, and an auxiliary cylinder 19. The hydraulic pump 14 provides hydraulic drive force and is positioned above the oil tank 13, which is located on the frame 7 at the bottom of the injection molding machine. The hydraulic pump 14 is connected to both the oil tank 13 and the clamping oil pipe 15 (connection lines omitted). The clamping oil pipe 15 is laid within the frame 7 and connects to the clamping cylinder 11 and the auxiliary cylinder 19, providing power for their operation. The clamping oil pipe 15 is recessed and hidden within the frame 7, embedded in the bottom plate of the frame 7, allowing operators easy access to the operating space between the front and rear ends of the equipment. The mold-closing cylinder 11 is mounted on the base 12, which is mounted on the frame 7. Auxiliary cylinders 19 are mounted on both sides of the base 12. Four guide pillars 17 are vertically mounted at the four corners of the base 12. An upper mold base 18 is mounted on top of each guide pillar 17, and a lower mold base 16 slides along the guide pillars 17. The piston of the mold-closing cylinder 11 acts below the lower mold base 16, cooperating with the upper mold base 18 to achieve the mold-closing process. Simultaneously, the auxiliary cylinders 19 on both sides of the mold-closing cylinder 11 enable rapid mold-closing. The two auxiliary cylinders 19 on both sides of the mold-closing cylinder 11 enable rapid mold-closing, saving working time and ensuring consistent operating height. The auxiliary cylinders 19 are symmetrically installed on both sides of the mold closing cylinder 11. The auxiliary cylinders 19 are fixed to the base plate of the frame 7 by screws. When the mold is closed, the lower mold base 16 is driven by the auxiliary cylinders 19 on both sides to quickly close the mold, and then the mold closing cylinder 11 completes the mold closing and pressure holding process.

[0028] The mold-moving mechanism 2 is located above the lower mold base 16 in the aforementioned hydraulic mold-closing mechanism 1. The mold-moving mechanism 2 includes a mold-moving cylinder 21, guide rails 22, roller plates 23, a lower heating plate 24, a mold-moving top plate 25, and a connecting plate 26. The mold-moving cylinder 21 and two opposing guide rails 22 are fixedly mounted on the lower mold base 16. Roller plates 23 are mounted inside the guide rails 22, extending along the length of the guide rails 22. Several rollers are distributed along the length of the roller plates 23. The lower heating plate 24 is slidably mounted between the roller plates 23 and is limited by the guide rails 22. The roller plates 23 reduce the sliding resistance of the roller plates 23 between the guide rails 22. The extension and retraction direction of the piston of the mold-moving cylinder 21 is parallel to the guide rails 22. The mold-moving top plate 25 is mounted on the piston and is fixedly connected to the lower heating plate 24. Hydraulic force is provided by the mold-moving cylinder 21, which drives the mold-moving top plate 25 connected to the piston of the cylinder. This causes the lower hot plate 24 and the lower mold plate 31 mounted on the lower hot plate 24 to move linearly along the guide rail 22, transporting the lower mold plate 31 to the mold-closing position for the mold-closing injection process. The mold-moving cylinder 21 is connected to the hydraulic circuit of the hydraulic pump 14, which provides power for the movement of the mold-moving cylinder 21.

[0029] In this embodiment, the mold-moving cylinder 21 is screwed to one side of the lower mold base 16, and the cylinder piston passes through the lower mold base 16 and acts on the mold-moving top plate 25. The connecting plate 26 is bolted to connect the lower heating plate 24 to the mold-moving top plate 25, thereby moving the lower heating plate 24 by pushing the mold-moving top plate 25. In this embodiment, six circular rollers are installed on the upper end of the roller plate 23, and the roller plates 23 are screwed to both sides of the guide rail 22 to reduce the friction of the lower heating plate 24 moving on the guide rail 22, thereby reducing noise and energy loss.

[0030] The mold opening and closing system 3 is located above the lower heating plate 24 in the aforementioned mold moving mechanism 2, and includes a lower template 31, lateral sliding mold cores 32, a mold core 33, a mounting cavity 34, a tie rod mating block 35, a piston rod 36, an opening and closing hydraulic cylinder 37, an oil pipe 38, and an oil pipe limiting bracket 39. The lower template 31 is fixed on the lower heating plate 24. A pair of lateral sliding mold cores 32 are symmetrically slidably arranged on the lower template 31, and the mold core 33 is fixedly arranged on both sides of the mold core 33. A tie rod mating block 35 is arranged on the outer side of the lateral sliding mold cores 32. The tie rod mating block 35 is fixedly connected to the piston rod 36. The opening and closing hydraulic cylinder 37 drives the piston rod 36 to make the lateral sliding mold cores 32 slide on the lower template 31, thereby realizing the mold opening and closing function. The opening and closing hydraulic cylinder 37 is fixedly arranged on the lower template 31. The opening and closing hydraulic cylinder 37 is connected to the hydraulic circuit of the hydraulic pump 14 via the oil pipe 38, and the oil pipe 38 is fixedly connected via the oil pipe limiting bracket 39. The mold opening and closing system 3 provides the opening and closing force to a pair of lateral sliding mold cores 32 through the opening and closing hydraulic cylinders 37 on both sides, thereby realizing the mold opening and closing process, which is also a key step in the molding of hybrid insulators; the oil pipe 38 connected to the opening and closing hydraulic cylinder 37 is connected to the hydraulic circuit after passing through the oil pipe limiting bracket 39, which avoids interference between the oil pipe 38 and other components during the mold moving process.

[0031] In this embodiment, the opening and closing hydraulic cylinders 37 are symmetrically fixed to both sides of the lower template 31 by screws. The tie rod mating block 35 is fixed to the lateral moving mold cores 32 on both sides by screws. The oil pipe limit bracket 39 is fixed to the bottom of a pair of guide rails 22 by screws. The lower template 31 is equipped with two sliding grooves by screws to cooperate with the lateral sliding mold cores 32 on both sides to slide along the opening and closing direction on the lower template 31, thereby realizing the mold opening and closing function.

[0032] The injection system 4 is located at the rear end of the overall equipment and includes a feeding mechanism 41, a feeding port 411, a plasticizing mechanism 42, an injection mechanism 43, a fixing frame 44, an injection cylinder support frame 45, a feeding cylinder support frame 46, a flow channel plate 47, an upper heating plate 48, and a nozzle 49. The feeding cylinder support frame 46 is installed on the frame 7, and the feeding mechanism 41 is installed on the feeding cylinder support frame 46. The feeding mechanism 41 has a feeding port 411, and the outlet of the feeding mechanism 41 is connected to the inlet of the plasticizing mechanism 42. The injection mechanism 43 is mounted on the frame 7 via the injection cylinder support frame 45. The outlet of the plasticizing mechanism 42 is connected to the output end of the injection mechanism 43. The output end of the injection mechanism 43 is fixedly connected to the upper mold base 18 via the fixing frame 44. The injection mechanism 43 is connected to the flow channel plate 47 fixed below the upper mold base 18. An upper heating plate 48 is fixedly mounted below the flow channel plate 47. The nozzle 49 passes through the upper heating plate 48 and is connected to the flow channel plate 47. In this embodiment, four nozzles 49 are provided, with their openings facing downwards. The injection nozzle 49 of the injection system 4 is connected to the runner plate 47. The rubber material is fed into the feeding mechanism 41 through the feeding port 411. The plasticizing mechanism 42 then plasticizes the rubber material in its barrel (both ends of the barrel are connected to the output ends of the feeding mechanism 41 and the injection mechanism 43, respectively). After plasticization, the injection mechanism 43 injects the plasticized rubber material into the runner plate 47, and then through four nozzles 49 into the mold cavity (i.e., the mounting cavity 34 in the mold opening and closing system 3) for injection molding. The hydraulic pump 14 provides power to the feeding mechanism 41 and the injection mechanism 43 via corresponding hydraulic cylinders for feeding and injection. The temperature of the plasticizing mechanism 42 is controlled by a temperature control system to plasticize the rubber material inside the barrel.

[0033] In this embodiment, the injection cylinder support frame 45 is fixed to the frame 7 by bolt connection to support the injection mechanism 43. The feeding cylinder support frame 46 is fixed to the base plate of the frame 7 by screw connection to support the feeding mechanism 41. One end of the fixing frame 44 is bolted to the upper mold base 18, and the other end is fixed to the injection mechanism 43 to support the injection system 4 and determine the axial positioning of the injection system 4.

[0034] The temperature control system 5 is located at the rear of the overall equipment and mounted on the frame 7. The temperature control system 5 includes a heated oil pump 51, a cooler 52, a filter 53, and a motor 55. The motor 55 drives the heated oil pump 51, causing the heated oil to flow through the insulated pipeline. The insulated pipeline passes through the parts of the molding machine that need to be heated. A filter 53 is installed in the insulated pipeline before the heated oil pump 51 to filter the returning heated oil. After flowing out of the heated oil pump 51, the heated oil is sent to the heating device for heating, and then to the heating parts to heat the corresponding components. The heated oil pump 51 delivers the heated oil to the heating parts (including the upper heating plate 48, lower heating plate 24, plasticizing mechanism 42, etc.) and ensures that the heated oil circulates within the system. The cooling pipes of the temperature control system pass through the heating parts of the molding machine. The heat generated by the heating parts is transferred to the cooling water in the cooling pipes. A cooler 52 is installed on the cooling pipes to cool the cooling water that has absorbed heat and then circulate it for reuse, so as to ensure that the temperature of the injection mechanism 43 and the mold is kept within a reasonable range. A cooling pump is installed on the cooling pipes to provide power for the circulation of the cooling water.

[0035] The control system includes a rotating bracket 61, an operation panel 62, and an electrical cabinet 63. The rotating bracket 61 is mounted on the upper mold base 18. Rotating the rotating bracket 61 adjusts the position of the control panel 62, allowing for flexible rotation of the operation panel 62 for easy operation. The operation panel 62 is electrically connected to the electrical cabinet 63, which houses the control device. Human-machine interaction is achieved through the operation panel 62, enabling the control and operation of the molding machine. The upper mold base 18 is located at the front end, allowing the operator to use the operation panel 62 from the front position of the equipment.

[0036] In this embodiment, the molding machine is also equipped with another control panel 62, which is hinged to the outer wall of the housing 8. The housing 8 covers the rear end of the equipment and is used by the operator when the equipment is in the rear position. The electrical cabinet 63 is located inside the housing 8.

[0037] The alarm light 9 is installed on the upper mold base 18 and is electrically connected to the control device in the electrical cabinet 63. It will issue an alarm when the molding machine malfunctions.

[0038] In practical use, the working process of this utility model includes the following steps: S1. The initial position of the lower template 31 is located at the extended end of the guide rail 22 (the initial position outside the mold closing position, i.e., the mold placement and removal position). The opening and closing hydraulic cylinders 37 on both sides of the lower template 31 provide hydraulic driving force to pull the lateral sliding mold cores 32 on both sides outward until the mounting cavity 34 of the mold blank is completely exposed, and then proceed to step 2.

[0039] S2. Place the insulator blank into the blank mounting cavity 34. The opening and closing hydraulic cylinders 37 on both sides of the lower template 31 provide hydraulic driving force to close the lateral sliding mold cores 32 on both sides inward until the umbrella surface of the insulator blank is completely covered. Proceed to step 3.

[0040] S3. The mold moving cylinder 21 drives the mold moving top plate 25, which in turn drives the lower hot plate 24 and the lower template 31 to move along the guide rail 22 until the lower template 31 reaches the mold closing position, and then proceeds to step 4.

[0041] S4. After the lower mold plate 31 reaches the mold closing position, the mold closing cylinder 11 provides the mold closing driving force to the lower mold base 16, which drives the lower mold base 16 and the lower mold plate 31 to move upward, completing the mold closing process and proceeding to step 5.

[0042] S5. After the mold is closed, the injection system 4 injects the plasticized material into the runner plate 47. The plasticized material entering the runner plate 47 is injected into the mold cavity through four nozzles 49 to carry out the injection molding process, and then proceeds to step 6.

[0043] S6. After the injection molding process is completed, the mold closing cylinder 11 releases pressure and opens the mold. The lower mold base 16 descends back to the mold opening position. The mold moving cylinder 21 drives the mold moving top plate 25, which in turn moves the lower mold plate 31 along the guide rail 22 and returns to the initial position (mold placement and removal position), and then proceeds to step 7.

[0044] S7. After the lower template 31 returns to its initial position, the opening and closing hydraulic cylinders 37 on both sides of the lower template 31 provide hydraulic driving force to pull the lateral sliding mold cores 32 on both sides outward until the hybrid insulator product is completely exposed, and the mold removal and cleaning process is carried out, returning to step 2.

[0045] The injection molding machine for hybrid insulators described in this utility model is a specialized rubber injection machine designed specifically for the characteristics of hybrid insulator products. It features feeding, plasticizing, and injection devices specifically designed for silicone rubber, and a glue inlet device (nozzle, runner plate, etc.) designed for the molding method of hybrid insulators. It also utilizes two auxiliary cylinders for rapid mold closing, while the clamping force is directly controlled by a main cylinder (mold closing cylinder 11), saving working time and ensuring consistent operation. The mold moving cylinder 21, through an auxiliary slider (mold moving top plate 25), drives the lower mold plate 31 to move quickly and flexibly, ensuring precise and reliable positioning and preventing mold damage. The machine has a compact structure, reasonable layout, fast injection speed, uniform heating, and precise material storage. Furthermore, its modular design and intelligent control improve the production efficiency and product reliability of hybrid insulators.

[0046] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A special injection molding machine for hybrid insulators, characterized in that: include: The hydraulic mold closing system (1) includes a fixed upper mold base (18), a lower mold base (16) located below the upper mold base (18) and capable of sliding up and down to achieve mold closing or opening with the upper mold base (18), a mold closing cylinder (11) for driving the lower mold base (16), and auxiliary cylinders (19) located on both sides of the mold closing cylinder (11). The mold moving mechanism (2) includes a guide rail (22) set on the lower mold base (16), a lower heating plate (24) slidably set on the guide rail (22), and a mold moving cylinder (21) that drives the lower heating plate (24) to slide. The mold opening and closing system (3) includes a lower template (31) set on the lower hot plate (24), a pair of lateral sliding mold cores (32) symmetrically set on the lower template (31) and able to slide on the lower template (31) to realize mold taking or mold putting, and an opening and closing hydraulic cylinder (37) for driving the lateral sliding mold cores (32) to slide. The injection system (4) includes a feeding mechanism (41), an injection mechanism (43), a plasticizing mechanism (42) whose inlet is connected to the output end of the feeding mechanism (41) and whose outlet is connected to the output end of the injection mechanism (43), a runner plate (47) fixed below the upper mold base, an upper heating plate (48) fixed below the runner plate (47), and a nozzle (49) that passes through the upper heating plate (48) and communicates with the runner plate (47).

2. The injection molding machine for hybrid insulators according to claim 1, characterized in that: The molding machine also includes an oil tank (13), a hydraulic pump (14) connected to the oil tank (13) and providing power to the mold closing cylinder (11), auxiliary cylinder (19), mold moving cylinder (21), opening and closing hydraulic cylinder (37), feeding mechanism (41), and injection mechanism (43), and a hydraulic circuit connecting the oil tank (13) and the hydraulic pump (14).

3. The injection molding machine for hybrid insulators according to claim 2, characterized in that: The hydraulic pump (14) is connected to the mold closing cylinder (11) and the auxiliary cylinder (19) through the mold closing oil pipe (15), which is located inside the frame (7) at the bottom of the molding machine.

4. The injection molding machine for hybrid insulators according to claim 1, characterized in that: A base (12) is provided on the frame (7) at the bottom of the molding machine. A goring post (17) is vertically provided on the base (12). An upper mold base (18) is fixed to the top of the goring post (17), and a lower mold base (16) is slidably provided on the goring post (17).

5. The injection molding machine for hybrid insulators according to claim 1, characterized in that: The inner side of the guide rail (22) is provided with a roller plate (23) for reducing the sliding resistance of the lower heating plate (24), and several rollers are distributed on the roller plate (23) along the length direction of the guide rail (22).

6. The injection molding machine for hybrid insulators according to claim 1, characterized in that: The lower template (31) is provided with a mold core (33), and the lateral sliding mold cores (32) are symmetrically arranged on both sides of the mold core (33).

7. The injection molding machine for hybrid insulators according to claim 1, characterized in that: The oil pipe (38) connected to the opening and closing hydraulic cylinder (37) is fixed by the oil pipe limit bracket (39).

8. The injection molding machine for hybrid insulators according to claim 1, characterized in that: The feeding mechanism (41) is provided with a feeding port (411).

9. The injection molding machine for hybrid insulators according to claim 1, characterized in that: The molding machine also includes a temperature control system, which includes a heat preservation pipeline passing through the parts of the molding machine that need to be heated, a heat preservation oil pump (51) installed on the heat preservation pipeline to provide power for the circulation of heat preservation oil, a motor (55) that provides power to the heat preservation oil pump (51), a filter (53) that filters the heat preservation oil, and a cooler (52) that cools the cooling water in the cooling pipeline passing through the parts of the molding machine that need to be cooled.

10. The injection molding machine for hybrid insulators according to claim 1, characterized in that: The molding machine also includes an electrical cabinet, a control device installed in the electrical cabinet, an operation panel (62) connected to the control device, and an alarm light (9). There are two operation panels (62). One operation panel (62) is installed on the upper mold base (18) through a rotating bracket (61), and the other operation panel (62) is hinged to the machine housing (8) where the electrical cabinet (63) is located.

Images