Extrusion equipment for power cable production

Abstract

The utility model relates to the technical field of cable production, and discloses extrusion equipment for power cable production, which comprises a workbench, the lower surface of the workbench is fixedly connected with supporting legs, the upper surface of the workbench is fixedly connected with a heating barrel, and the outer wall of the heating barrel is fixedly connected with a feeding pipe. A first motor is fixedly connected to the upper surface of the heating barrel, a stirring shaft is fixedly connected to the output end of the first motor, first stirring blades are fixedly connected to the outer wall of the stirring shaft, a hopper is fixedly connected to the upper surface of the heating barrel, and a filtering assembly is arranged on the inner wall of the hopper. According to the utility model, through the mutual cooperation of the adjusting assembly, the filtering assembly and the transmission assembly, the problems that impurities mixed in cable raw materials are difficult to remove and cables of different sizes and types cannot be extruded so that the application is too limited and single are solved, and the purposes of improving the product quality and reducing the production cost are achieved. And the production efficiency and the practicability of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable production, in particular to an extrusion device for producing power cables. Background Art

[0002] Cable is a device for transmitting electric energy or signals. It is a wire made of one or more mutually insulated conductors and an outer insulating protective layer. It is mainly used to transmit electricity or information from one place to another. The entire outside of the cable is wrapped with a highly insulating covering layer to ensure the safety and effectiveness of transmitting electric energy or signals. It is widely used in many fields such as electricity, communications, transportation, and military. Each type of cable has its specific structure and function to meet different application requirements. When it is necessary to produce power cables, an extrusion equipment for power cable production is required.

[0003] Power cable extrusion equipment is one of the important equipment in the cable production line. Its function is to heat, melt and extrude plastic pellets into wires. Through heating and stirring, the plastic pellets are melted in the barrel. Then the molten plastic pellets are extruded into wires through the die head on the extruder head. Finally, the wires are cooled and solidified by the cooling device to form a cable with a plastic sheath.

[0004] However, when using traditional power cable extrusion equipment, it is unable to extrude cables of different sizes and types, its application is too limited and single, and it is unable to remove impurities mixed in the cable raw materials, which affects the electrical insulation performance of the cable products, thereby reducing the product quality. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an extrusion equipment for power cable production, aiming to improve the problem that the prior art cannot extrude cables of different sizes and types, resulting in too limited and single application and inability to remove impurities mixed in the cable raw materials, which affects the electrical insulation performance of the cable products, thereby reducing the product quality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an extrusion device for producing power cables, comprising a workbench, a supporting leg fixedly connected to the lower surface of the workbench, a heating barrel fixedly connected to the upper surface of the workbench, a feeding pipe fixedly connected to the outer wall of the heating barrel, a first motor fixedly connected to the upper surface of the heating barrel, a stirring shaft fixedly connected to the output end of the first motor, a first stirring blade fixedly connected to the outer wall of the stirring shaft, a hopper fixedly connected to the upper surface of the heating barrel, a filter assembly arranged on the inner wall of the hopper, the filter assembly comprising a first filter plate and a second filter plate, the outer wall of the first filter plate being arranged on the inner wall of the hopper, and the outer wall of the second filter plate being arranged on the inner wall of the hopper.

[0007] Furthermore, grooves are provided inside the first filter plate and the second filter plate, a connecting block is provided on the outer wall of the first filter plate, a fitting block is fixedly connected to the outer wall of the connecting block, the outer wall of the second filter plate is provided on the outer wall of the connecting block, the outer wall of the connecting block is fixedly connected to the inner wall of the hopper, a protective shell is fixedly connected to the upper surface of the workbench, the outer wall of the protective shell is fixedly connected to one end of the feeding pipe, an insulation shell is fixedly connected to the inner wall of the protective shell, a cable core feeding port is provided inside the insulation shell, and a transmission assembly is provided on the inner wall of the insulation shell.

[0008] Furthermore, the transmission assembly includes a second motor and a gear, the outer wall of the gear is arranged inside the insulation shell, the outer wall of the second motor is fixedly connected to the inner wall of the insulation shell, the output end of the second motor is fixedly connected to a rotating shaft, and one end of the rotating shaft is connected to the gear.

[0009] Furthermore, a cable core feed pipe is fixedly connected to the inner wall of the insulation shell, one end of the cable core feed pipe is rotatably connected to a sleeve, an outer wall of the sleeve is fixedly connected to a gear ring, and the gear ring is meshed with a gear.

[0010] Furthermore, a second stirring blade is fixedly connected to the outer wall of the sleeve, and a check valve is fixedly connected to one end of the sleeve.

[0011] Furthermore, one end of the heat-insulating shell is fixedly connected to an outer ring, and an adjustment component is provided on the inner wall of the outer ring.

[0012] Furthermore, the adjustment component includes a hydraulic cylinder and an extrusion block, the outer wall of the extrusion block is arranged inside the outer ring, the outer wall of the hydraulic cylinder is fixedly connected to the inner wall of the outer ring, and the output end of the hydraulic cylinder is connected to the extrusion block.

[0013] Furthermore, a discharge head is fixedly connected to one end of the outer ring, a condenser is fixedly connected to the outer wall of the discharge head, a water inlet pipe is fixedly connected to one side of the outer wall of the condenser, and a water outlet pipe is fixedly connected to the other side of the outer wall of the condenser.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the connection block, the interlocking block, the first filter plate and the second filter plate cooperate with each other, thereby solving the problem that impurities mixed in the cable raw materials cannot be removed so that they affect the electrical insulation performance of the cable products, thereby achieving the effect of improving product quality and making it more convenient to use.

[0016] 2. In the utility model, the transmission assembly, the sleeve, the second stirring blade, the outer ring, and the check valve cooperate with each other to solve the problem that cables of different sizes and types cannot be extruded, resulting in the application being too limited and single, thereby achieving the effect of improving the production efficiency and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of an extrusion device for producing power cables proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of a heating barrel of an extrusion device for power cable production proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of a filter assembly of an extrusion device for producing power cables proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of a heat preservation shell of an extrusion device for power cable production proposed by the utility model;

[0021] Figure 5 This is a schematic diagram of the transmission component structure of an extrusion device for power cable production proposed by the utility model;

[0022] Figure 6 The utility model provides a schematic diagram of the structure of an adjustment component of an extrusion device for producing power cables.

[0023] Legend:

[0024] 1. Workbench; 2. Support legs; 3. Hopper; 4. Feed pipe; 5. Heating barrel; 6. Protective shell; 7. Discharge head; 8. Adjustment assembly; 9. Condenser; 10. Water inlet pipe; 11. Water outlet pipe; 12. Filter assembly; 13. First motor; 14. Stirring shaft; 15. First stirring blade; 16. Connecting block; 17. Engaging block; 18. First filter plate; 19. Second filter plate; 20. Groove; 21. Insulation shell; 22. Cable core feed port; 23. Cable core feed pipe; 24. Transmission assembly; 25. Sleeve; 26. Second stirring blade; 27. Outer ring; 28. Check valve; 29. ​​Second motor; 30. Rotating shaft; 31. Gear; 32. Gear ring; 33. Hydraulic cylinder; 34. Extrusion block. DETAILED DESCRIPTION

[0025] 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.

[0026] Reference Figure 2 , Figure 3 and Figure 4 , the utility model provides an embodiment: an extrusion device for producing power cables, comprising a workbench 1, a support leg 2 is fixedly connected to the lower surface of the workbench 1, a heating barrel 5 is fixedly connected to the upper surface of the workbench 1, a feeding pipe 4 is fixedly connected to the outer wall of the heating barrel 5, a first motor 13 is fixedly connected to the upper surface of the heating barrel 5, a stirring shaft 14 is fixedly connected to the output end of the first motor 13, a first stirring blade 15 is fixedly connected to the outer wall of the stirring shaft 14, a hopper 3 is fixedly connected to the upper surface of the heating barrel 5, a filter assembly 12 is arranged on the inner wall of the hopper 3, the filter assembly 12 comprises a first filter plate 18 and a second filter plate 19, and the outer wall of the first filter plate 18 is arranged It is placed on the inner wall of the hopper 3, the outer wall of the second filter plate 19 is arranged on the inner wall of the hopper 3, the first filter plate 18 and the second filter plate 19 are both provided with grooves 20, the outer wall of the first filter plate 18 is provided with a connecting block 16, the outer wall of the connecting block 16 is fixedly connected with a fitting block 17, the outer wall of the second filter plate 19 is arranged on the outer wall of the connecting block 16, the outer wall of the connecting block 16 is fixedly connected to the inner wall of the hopper 3, the upper surface of the workbench 1 is fixedly connected with a protective shell 6, the outer wall of the protective shell 6 is fixedly connected to one end of the feeding pipe 4, the inner wall of the protective shell 6 is fixedly connected with an insulation shell 21, a cable core feeding port 22 is provided inside the insulation shell 21, and a transmission component 24 is provided on the inner wall of the insulation shell 21.

[0027] Specifically, by setting up the heating barrel 5, the plastic can be heated to the required production temperature to prevent the plastic from failing to meet the production requirements and thus affecting production efficiency; the stirring shaft 14 and the first stirring blade 15 stir the heated plastic to achieve uniform distribution, thereby ensuring product quality; the first filter plate 18 and the second filter plate 19 can filter out impurities mixed in the cable raw materials, thereby preventing the impurities from entering the heating barrel 5 and affecting the electrical insulation performance of the cable product, thereby further improving product quality.

[0028] Reference Figure 1 , Figure 5 and Figure 6The transmission assembly 24 includes a second motor 29 and a gear 31. The outer wall of the gear 31 is arranged inside the heat preservation shell 21. The outer wall of the second motor 29 is fixedly connected to the inner wall of the heat preservation shell 21. The output end of the second motor 29 is fixedly connected to a rotating shaft 30. One end of the rotating shaft 30 is connected to the gear 31. The inner wall of the heat preservation shell 21 is fixedly connected to a cable core feed pipe 23. One end of the cable core feed pipe 23 is rotatably connected to a sleeve 25. The outer wall of the sleeve 25 is fixedly connected to a gear ring 32. The gear ring 32 is meshed with the gear 31. The outer wall of the sleeve 25 is fixedly connected to a second stirring blade 26. One end of the sleeve 25 is fixedly connected to a stopper A reverse valve 28, a gear ring 32 meshes with a gear 31, an outer ring 27 is fixedly connected to one end of the insulation shell 21, an adjusting component 8 is arranged on the inner wall of the outer ring 27, the adjusting component 8 comprises a hydraulic cylinder 33 and an extrusion block 34, the outer wall of the extrusion block 34 is arranged inside the outer ring 27, the outer wall of the hydraulic cylinder 33 is fixedly connected to the inner wall of the outer ring 27, the output end of the hydraulic cylinder 33 is connected to the extrusion block 34, a discharge head 7 is fixedly connected to one end of the outer ring 27, a condenser 9 is fixedly connected to the outer wall of the discharge head 7, a water inlet pipe 10 is fixedly connected to one side of the outer wall of the condenser 9, and a water outlet pipe 11 is fixedly connected to the other side of the outer wall of the condenser 9.

[0029] Specifically, the cable core moved out from the inside of the cable core feed tube 23 is arranged so that the plastic is wrapped on the outside of the cable core, thereby making the cable manufacturing more convenient; the water flow is connected to the water inlet pipe 10 on the condenser 9, and then flows out through the water outlet pipe 11 to achieve circulating condensation and cooling, and the cable extruded from the inside of the outer ring 27 is quickly cooled and formed through the condenser 9, thereby improving the production efficiency of the cable.

[0030] Working principle: When it is necessary to extrude the cable, first add liquid plastic into the hopper 3 on the heating barrel 5, and the first filter plate 18 and the second filter plate 19 in the filter assembly 12 in the hopper 3 perform graded filtration on the liquid plastic to prevent impurities from mixing in. At the same time, start the first motor 13 on the heating barrel 5, and the output end of the first motor 13 drives the stirring shaft 14 to rotate. The first stirring blade 15 on the stirring shaft 14 stirs the liquid plastic to make it evenly distributed. Under the stirring of the heating barrel 5 and the first stirring blade 15, the temperature of the plastic reaches the extrusion requirement, and is transported into the feeding pipe 4. In the insulation shell 21, the cable core is transported from the cable core feed port 22 outside the insulation shell 21 to the cable core feed pipe 23, and the second motor 29 in the transmission assembly 24 is started, and its output end drives the rotating shaft 30 to rotate, thereby rotating the gear 31, so that it meshes with the gear ring 32 on the sleeve 25 for transmission, thereby driving the sleeve 25 and the second stirring blade 26 to rotate, and the plastic is extruded to the adjustment assembly 8 in the outer ring 27. The hydraulic cylinder 33 in the adjustment assembly 8 is adjusted and retracted according to the size of the cable diameter to be produced, so that the extrusion block 34 extrudes and shapes the plastic;

[0031] Secondly, the water flow is connected to the water inlet pipe 10 on the condenser 9, and the water flows out through the water outlet pipe 11 to achieve circulating condensation and cooling. The cable extruded inside the outer ring 27 is cooled and formed through the condenser 9, and at the same time transported to the discharge head 7 to complete the cable extrusion production.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An extrusion device for producing power cables, comprising a workbench (1), characterized in that: The lower surface of the workbench (1) is fixedly connected to a support leg (2); the upper surface of the workbench (1) is fixedly connected to a heating barrel (5); the outer wall of the heating barrel (5) is fixedly connected to a feeding pipe (4); the upper surface of the heating barrel (5) is fixedly connected to a first motor (13); the output end of the first motor (13) is fixedly connected to a stirring shaft (14); the outer wall of the stirring shaft (14) is fixedly connected to a first stirring blade (15); the upper surface of the heating barrel (5) is fixedly connected to a hopper (3); the inner wall of the hopper (3) is provided with a filter assembly (12); the filter assembly (12) comprises a first filter plate (18) and a second filter plate (19); the outer wall of the first filter plate (18) is provided on the inner wall of the hopper (3); and the outer wall of the second filter plate (19) is provided on the inner wall of the hopper (3).

2. The extrusion equipment for producing power cables according to claim 1, characterized in that: A groove (20) is provided inside the first filter plate (18) and the second filter plate (19); a connecting block (16) is provided on the outer wall of the first filter plate (18); a fitting block (17) is fixedly connected to the outer wall of the connecting block (16); an outer wall of the second filter plate (19) is provided on the outer wall of the connecting block (16); the outer wall of the connecting block (16) is fixedly connected to the inner wall of the hopper (3); a protective shell (6) is fixedly connected to the upper surface of the workbench (1); the outer wall of the protective shell (6) is fixedly connected to one end of the feeding pipe (4); an insulating shell (21) is fixedly connected to the inner wall of the protective shell (6); a cable core feeding port (22) is provided inside the insulating shell (21); and a transmission component (24) is provided on the inner wall of the insulating shell (21).

3. The extrusion equipment for producing power cables according to claim 2, characterized in that: The transmission assembly (24) comprises a second motor (29) and a gear (31); the outer wall of the gear (31) is arranged inside the heat-insulating shell (21); the outer wall of the second motor (29) is fixedly connected to the inner wall of the heat-insulating shell (21); the output end of the second motor (29) is fixedly connected to a rotating shaft (30); one end of the rotating shaft (30) is connected to the gear (31).

4. The extrusion equipment for producing power cables according to claim 3, characterized in that: The inner wall of the heat-insulating shell (21) is fixedly connected to a cable core feed pipe (23), one end of the cable core feed pipe (23) is rotatably connected to a sleeve (25), the outer wall of the sleeve (25) is fixedly connected to a gear ring (32), and the gear ring (32) is meshed with a gear (31).

5. The extrusion equipment for producing power cables according to claim 4, characterized in that: A second stirring blade (26) is fixedly connected to the outer wall of the sleeve (25), and a check valve (28) is fixedly connected to one end of the sleeve (25).

6. The extrusion equipment for producing power cables according to claim 5, characterized in that: One end of the heat-insulating shell (21) is fixedly connected to an outer ring (27), and an adjustment component (8) is provided on the inner wall of the outer ring (27).

7. The extrusion equipment for producing power cables according to claim 6, characterized in that: The adjustment component (8) comprises a hydraulic cylinder (33) and an extrusion block (34); the outer wall of the extrusion block (34) is arranged inside the outer ring (27); the outer wall of the hydraulic cylinder (33) is fixedly connected to the inner wall of the outer ring (27); and the output end of the hydraulic cylinder (33) is connected to the extrusion block (34).

8. The extrusion equipment for producing power cables according to claim 7, characterized in that: One end of the outer ring (27) is fixedly connected to a discharge head (7), the outer wall of the discharge head (7) is fixedly connected to a condenser (9), one side of the outer wall of the condenser (9) is fixedly connected to a water inlet pipe (10), and the other side of the outer wall of the condenser (9) is fixedly connected to a water outlet pipe (11).

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