A kind of automatic cable insulation coating equipment

Abstract

The present invention discloses an automatic cable insulation coating device, including a cooling system and an insulation coating mechanism installed at the inlet end thereof, wherein the cooling system is in a U-shaped structure, and a heat utilization device is connected between the two ends, and the cable core passes through the insulation coating mechanism to coat the insulation layer and then vertically downwards perpendicular to the liquid surface to enter water for cooling, and the present invention relates to the technical field of cable insulation layer processing. The automatic cable insulation coating device cools and solidifies the cable insulation layer by setting a vertical cooling system, and the cable enters the water vertically, which can eliminate the problem of uneven thickness caused by the flow of the molten insulation layer due to gravity, and on the other hand, the cable enters the static water perpendicular to the liquid surface, which can avoid the problem of the flowing water obliquely impacting the insulation layer to form tiny ripples on its surface, and the heat utilization device can be used to recycle the excess heat, and the cable surface can be cooled after water cooling, which is more energy-saving and environmentally friendly.

Description

Technical Field

[0001] The invention relates to the technical field of cable insulation layer processing, in particular to a cable insulation layer automatic coating device. Background Art

[0002] The existing cable insulation layer is formed by straightening the wire core through an insulation layer injection molding mold to form a wire skin insulation layer on the surface of the wire core, and then the cable is passed through circulating water to cool and solidify the insulation layer, such as a circulatory cable insulation layer cooling device disclosed in Chinese patent CN204773512U. However, this method has the following problems:

[0003] 1. Under the influence of gravity, the molten and unsolidified insulation layer will tend to flow downward, which will cause the thickness of the insulation layer to be uneven, affecting the uniform insulation effect;

[0004] 2. The existing water structure uses water to flow horizontally in a water tank in one direction to the end and then flow down, and then pumped to the other end to achieve circulation. The cable enters the water obliquely from the position where the water flows down, and the water impacts the unsolidified insulation layer, which will also affect its uniformity. Although the comparative document adopts the method of pumping out from the bottom for circulation, the reflux adopts the method of spraying from the top, which will cause violent fluctuations in the liquid level and affect the surface quality of the unsolidified insulation layer.

[0005] 3. The existing water cooling uses circulating water. The whole process is exposed, and the amount of water volatilization is large. After absorbing heat, the volatilization speed is further increased, which consumes more water and needs to be replenished frequently. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides an automatic cable insulation layer covering device, which solves the problems existing in the existing cable insulation layer cooling process.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an automatic cable insulation coating device, including a cooling system and an insulation coating mechanism installed at its inlet end, the cooling system is in a U-shaped structure, and a heat utilization device is connected between the two ends, the cable core passes through the insulation coating mechanism and is coated with an insulation layer, and then vertically downwards to the liquid surface to enter water for cooling, the opposite sides of the two ends of the cooling system are connected with water pipes, and a turbine mechanism is connected between the two water pipes, and the turbine mechanism discharges the water at the inlet end of the cooling system to the outlet end to form a water cycle;

[0008] The heat utilization device includes an outlet end cover installed at the outlet end of the cooling system, and an air blowing hood for blowing away water stains on the surface of the cable is arranged on the top of the inner wall of the outlet end cover, and a wind shielding plate for blocking the airflow is arranged on the inner side of the outlet end cover and below the air blowing hood, and a hot air hood for blowing hot air to the cable to achieve drying is also arranged on the top of the outlet end cover, and a ball cover is provided on the outer cover of the turbine mechanism and the water pipe, and an inlet end cover is installed at the inlet end of the cooling system, and the inlet end cover, the ball cover and the outlet end cover are connected through a hot air pipeline, and the hot air pipeline absorbs the heat of the turbine mechanism and the cable surface through wind power and discharges it into the hot air hood.

[0009] Preferably, the ball cover is composed of two upper and lower hemispherical covers fixed by bolts, the surface of the turbine mechanism is fixedly connected with cooling fins, the top of the ball cover is provided with air inlet and air outlet on the front and rear sides, and the air inlet of the ball cover is connected with the outlet end cover located between the wind baffle and the blowing hood through the outlet pipe.

[0010] Preferably, a plurality of pressing blocks for pressing the wind shield against the end face of the cooling system are distributed circumferentially on the inner surface of the outlet end cover, a sinking groove is provided at the center of gravity of the wind shield, and windshield cotton for infiltrating water and blocking airflow is provided through the sinking groove, and the top of the windshield cotton is provided as a conical surface for guiding airflow outward;

[0011] The blowing hood is configured as a downwardly protruding conical structure, and a through hole with a diameter larger than the cable diameter is opened in the center, a conical elastic membrane is pasted on the center of the inner surface of the blowing hood, a flat elastic membrane is fixedly connected to the middle of the top of the inner wall of the outlet end cover, and a through hole with a hole diameter smaller than the outer diameter of the cable in a natural state is opened in the center of the conical elastic membrane and the flat elastic membrane.

[0012] Preferably, a fan is fixedly connected to the front side of the outlet end cover, a filter window covering the filter is provided on the rear side of the fan side wall, and a blow pipe is connected between the front air outlet of the fan and the top of the outlet end cover.

[0013] Preferably, the hot air hood is provided with an opening on the right side, a pulley is provided on the top of the outlet end cover and on the right side of the hot air hood, and the left half of the pulley extends into the inside of the hot air hood.

[0014] Preferably, a vertical cylinder is provided at the center of the inlet end cover, and the bottom end of the vertical cylinder is lower than the bottom of the water pipe, and a heat dissipation ring is provided on the side of the bottom end of the vertical cylinder;

[0015] The hot air pipeline includes a main hot air pipe connecting the ball cover air outlet and the hot air cover, a thin neck section is arranged in the middle of the main hot air pipe, and the bottom of the thin neck section is obliquely connected to a negative pressure pipe whose one end is connected to a vertical tube, and a filter cotton is penetrated and engaged on the other side of the vertical tube relative to the negative pressure pipe.

[0016] Preferably, a spherical portion with an enlarged diameter is provided in the middle of the negative pressure tube, a lightweight ball is movably provided inside the spherical portion and can seal the lower half of the negative pressure tube; a blocking rod is provided inside the spherical portion and above the lightweight ball to limit the lightweight ball from sealing the upper half of the negative pressure tube.

[0017] Preferably, the cooling system includes a U-shaped bottom box and vertical pipes fixedly connected at both ends of the top thereof, a drain valve fixedly connected to the bottom of the U-shaped bottom box, a hollow wheel rotatably connected to the middle of the interior of the U-shaped bottom box via a centering shaft, an opening for removing and placing the hollow wheel is provided on the front side of the U-shaped bottom box, and a sealing door for sealing the opening is installed on the front side of the U-shaped bottom box via bolts.

[0018] Preferably, the insulating layer covering mechanism includes a base fixedly connected to the top of the vertical cylinder, an injection cover with an injection port on the side is detachably mounted on the top of the base, an insulating layer molding hole is provided at the center of the base, an expansion cavity is provided in the middle of the insulating layer molding hole, the expansion cavity divides the insulating layer molding hole into two sections for two coatings, and a plurality of elastic wires for cutting the air bulge are annularly fixedly connected to the side of the expansion cavity.

[0019] Preferably, the top of the injection molded cover is threadedly connected to a gland via an internal thread, the upper and lower surfaces of the gland are both configured as conical surfaces, an elastic rubber block is provided at the bottom of the gland, and an inner hole having a diameter larger than the wire core is provided at the center of the elastic rubber block.

[0020] Beneficial Effects

[0021] The present invention provides an automatic cable insulation coating device. Compared with the prior art, it has the following advantages:

[0022] Beneficial effects:

[0023] 1. The automatic cable insulation coating equipment cools and solidifies the cable insulation layer by setting up a vertical cooling system. The cable is vertically put into water. On the one hand, it can eliminate the problem of uneven thickness caused by the flow of the molten insulation layer due to gravity. On the other hand, the cable is put into still water perpendicular to the liquid surface, which can avoid the problem of the flowing water obliquely impacting the insulation layer to form tiny ripples on its surface. The heat utilization device can realize the recovery of excess heat and the cooling of the cable surface after water cooling, which is more energy-saving and environmentally friendly.

[0024] 2. The automatic cable insulation covering equipment can discharge the air blown into the blowing hood to the bottom of the cable surface by setting an air blowing hood with a conical elastic membrane in the outlet end cover, thereby blowing off the moisture on the cable surface, so that the pulled cable can be quickly dried on the surface. The windshield cotton is set at the bottom to allow the blown water to penetrate back into the cooling system, reducing water consumption. The moist windshield cotton can also isolate the airflow, so that the airflow is discharged from the outlet pipe and participates in the heat recovery circuit. Therefore, only one fan is needed to achieve the work of water removal and heat recovery and reuse.

[0025] 3. The automatic cable insulation covering equipment can isolate the influence of water pumping at the pumping end of the water pipe on the liquid level fluctuation inside by setting a vertical cylinder in the center of the inlet end cover, thereby avoiding the influence of liquid level fluctuation on the insulation layer of the cable just entering the water, and the heat dissipation ring plate is set at the bottom of the vertical cylinder to avoid heat accumulation caused by poor water fluidity inside the vertical cylinder.

[0026] 4. The automatic cable insulation covering equipment, by setting a ball cover to cover the turbine mechanism, cooperates with the heat dissipation fins to use the airflow flowing through the ball cover in an annular direction to take away the heat of the circulating hot water in the turbine mechanism, and realizes heat recovery while dissipating heat. The main hot air pipe can be used to discharge the hot air to the hot air cover, which can dry the cable surface and facilitate subsequent processing. At the same time, the middle diameter of the main hot air pipe is reduced to increase the air flow rate, which can generate negative air pressure, so that the negative pressure pipe can absorb the heat of the insulation layer just injected in the vertical cylinder, and can also realize cooling and heat recovery. It is more energy-saving and environmentally friendly, and a lightweight ball is set in the middle spherical part of the negative pressure pipe to realize one-way exhaust and avoid the airflow in the main hot air pipe from flowing back into the negative pressure pipe. The structure is simple and practical.

[0027] 5. The automatic cable insulation covering equipment has a U-shaped water immersion cooling system. Compared with directly using a water tank for immersion cooling, it saves water and facilitates water circulation. The two ends are relatively sealed to reduce water volatilization and further save water. A hollow wheel is set inside the turning point to make the cable pulling smoother and avoid surface wear caused by friction between the cable and the U-shaped bottom box at the turning point.

[0028] 6. The automatic cable insulation coating equipment can divide the insulation layer forming hole into two sections, upper and lower sections, by setting an expansion cavity in the insulation layer coating mechanism. The wire core can be coated with insulation twice. The air bulge formed in the first coating process can be scratched by scraping with elastic wire between the two coatings, and the second insulation coating can be performed without gaps. It can effectively eliminate the bubble bulge in the insulation layer on the cable surface and ensure product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a front view of the overall structure of the present invention;

[0030] Figure 2 It is a front view of the upper part structure of the present invention;

[0031] Figure 3 For the present invention Figure 2 Cross-sectional view of local structure;

[0032] Figure 4 is a three-dimensional diagram of the fan of the present invention;

[0033] Figure 5 is a cross-sectional view of the hot air pipeline of the present invention;

[0034] Figure 6 A cross-sectional view of a local structure of a cooling system of the present invention;

[0035] Figure 7 It is a cross-sectional view of the insulating layer covering mechanism of the present invention.

[0036] In the figure: 1. cooling system; 11. U-shaped bottom box; 12. vertical pipe; 13. drain valve; 14. centering shaft; 15. hollow wheel; 16. sealing door; 2. insulation layer covering mechanism; 21. base; 22. injection molding cover; 23. insulation layer shaping hole; 24. expansion cavity; 25. elastic wire; 26. gland; 27. elastic rubber block; 3. heat utilization device; 31. outlet terminal cover; 32. blowing cover; 33. wind baffle; 34. hot air cover; 35. ball cover; 36. hot air pipeline; 361. Main hot air duct; 362. Narrow neck section; 363. Negative pressure pipe; 364. Spherical part; 365. Light ball; 366. Baffle rod; 37. Exhaust pipe; 38. Press block; 39. Flat elastic membrane; 310. Wind-shielding cotton; 311. Conical elastic membrane; 312. Fan; 313. Filter; 314. Blowing pipe; 315. Pulley; 4. Water guide pipe; 5. Turbine mechanism; 6. Inlet end cover; 61. Vertical cylinder; 62. Heat dissipation ring; 63. Filter cotton; 7. Heat dissipation fins. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] The present invention provides six technical solutions:

[0039] Figure 1-2The first embodiment is shown: an automatic cable insulation coating device, including a cooling system 1 and an insulation coating mechanism 2 installed at its inlet end, the cooling system 1 is in a U-shaped structure, and a heat utilization device 3 is connected between the two ends, the cable core passes through the insulation coating mechanism 2 and is coated with an insulation layer, and then vertically downwards into the water to be cooled, the opposite sides of the two ends of the cooling system 1 are connected with a water pipe 4, and a turbine mechanism 5 is connected between the two water pipes 4, and the turbine mechanism 5 discharges the water at the inlet end of the cooling system 1 to the outlet end to form a water cycle;

[0040] The heat utilization device 3 includes an outlet end cover 31 installed at the outlet end of the cooling system 1, and an air blowing hood 32 for blowing away water stains on the surface of the cable is arranged on the top of the inner wall of the outlet end cover 31, and an air baffle 33 for blocking the airflow is arranged on the inner side of the outlet end cover 31 and below the air blowing hood 32, and a hot air hood 34 for blowing hot air to the cable to achieve drying is also arranged on the top of the outlet end cover 31, and a ball cover 35 is arranged on the outer cover of the turbine mechanism 5 and the water pipe 4, and an inlet end cover 6 is installed at the inlet end of the cooling system 1, and the inlet end cover 6, the ball cover 35 and the outlet end cover 31 are connected through a hot air pipeline 36, and the hot air pipeline 36 absorbs the heat of the turbine mechanism 5 and the surface of the cable through wind power and discharges it into the hot air hood 34.

[0041] The hot air hood 34 is opened on the right side, a pulley 315 is arranged on the top of the outlet cover 31 and on the right side of the hot air hood 34, and the left half of the pulley 315 extends into the hot air hood 34, and the pulley 315 can guide the cable to be discharged horizontally to the right to the next workstation.

[0042] By setting up a vertical cooling system 1 to cool and solidify the cable insulation layer, the cable is placed vertically in water. On the one hand, the uneven thickness problem caused by the flow of the molten insulation layer due to gravity can be eliminated. On the other hand, the cable is placed in still water perpendicular to the liquid surface to avoid the problem of the flowing water obliquely impacting the insulation layer to form tiny ripples on its surface. The heat utilization device 3 can be used to recycle excess heat and cool the cable surface after water cooling, which is more energy-saving and environmentally friendly.

[0043] Figure 3-4 The second embodiment is shown, which is mainly different from the first embodiment in that: a plurality of pressing blocks 38 for pressing the wind shield 33 against the end face of the cooling system 1 are distributed circumferentially on the inner surface of the outlet end cover 31, a sinking groove is provided at the center of gravity of the wind shield 33, and a windshield cotton 310 for infiltrating water and blocking airflow is provided through the sinking groove, the setting of the sinking groove can better collect the blown water, and the top of the windshield cotton 310 is provided as a cone surface for guiding the airflow outward;

[0044] The blowing hood 32 is configured as a downwardly protruding conical structure, and a through hole with a diameter larger than the cable diameter is opened in the center. A conical elastic membrane 311 is pasted on the center of the inner surface of the blowing hood 32, and a flat elastic membrane 39 is fixedly connected to the middle of the top of the inner wall of the outlet end cover 31. The conical elastic membrane 311 and the flat elastic membrane 39 are both opened with a through hole with an aperture smaller than the outer diameter of the cable in the natural state in the center. The elasticity of the flat elastic membrane 39 is smaller than that of the conical elastic membrane 311, so that the conical elastic membrane 311 is easier to expand downward under air pressure, and the flat elastic membrane 39 is kept as close to the cable surface as possible.

[0045] A fan 312 is fixedly connected to the front side of the outlet end cover 31, and a filter window covering the filter 313 is opened on the rear side of the side wall of the fan 312. The filter 313 can be detachable by magnetic attraction or adhesion, etc., which is convenient for disassembly and cleaning. A blow pipe 314 is connected between the front air outlet of the fan 312 and the top of the outlet end cover 31.

[0046] By providing an air blowing hood 32 in cooperation with a conical elastic membrane 311 in the outlet end cover 31, the air blown into the air blowing hood 32 can be discharged to the bottom close to the cable surface, thereby blowing off the moisture on the cable surface, so that the surface of the pulled cable can be quickly dried. A windshield cotton 310 is provided below, so that the blown-off water can penetrate back into the cooling system 1, reducing water consumption. The moist windshield cotton 310 can also isolate the airflow, so that the airflow is discharged from the outlet pipe 37 and participates in the heat recovery circuit. Therefore, only one fan 312 is needed to achieve the work of water removal and heat recovery and reuse.

[0047] Figure 3 The third embodiment is shown, which is mainly different from the second embodiment in that a vertical cylinder 61 is provided at the center of the inlet end cover 6, and the bottom end of the vertical cylinder 61 is lower than the bottom of the water pipe 4, and a heat dissipation ring 62 is provided on the side of the bottom end of the vertical cylinder 61;

[0048] By arranging a vertical cylinder 61 at the center of the inlet end cover 6, the influence of water pumping at the pumping end of the water pipe 4 on the fluctuation of the liquid level inside can be isolated, thereby avoiding the influence of the liquid level fluctuation on the insulation layer of the cable just entering the water, and the heat dissipation ring plate 62 is arranged at the bottom of the vertical cylinder 61 to avoid heat accumulation caused by poor water fluidity inside the vertical cylinder 61.

[0049] Figure 3 and 5 A fourth embodiment is shown, which mainly differs from the third embodiment in that the ball cover 35 is composed of two upper and lower hemispherical covers fixed by bolts, the surface of the turbine mechanism 5 is fixedly connected with a heat dissipation fin 7, the heat dissipation fin 7 is coaxially arranged with the ball cover 35 and the turbine mechanism 5, which can reduce the obstruction to the airflow, and an air inlet and an air outlet are arranged on the front and rear sides of the top of the ball cover 35, and the air inlet of the ball cover 35 is connected to the position of the outlet end cover 31 located between the wind baffle 33 and the blowing hood 32 through the outlet pipe 37.

[0050] The hot air duct 36 includes a main hot air duct 361 connecting the air outlet of the ball cover 35 and the hot air cover 34. A thin neck section 362 is arranged in the middle of the main hot air duct 361, and the bottom of the thin neck section 362 is obliquely connected to a negative pressure pipe 363 whose end is connected to the vertical tube 61. A filter cotton 63 is penetrated and engaged on the other side of the vertical tube 61 relative to the negative pressure pipe 363. The filter cotton 63 can be directly pulled out for replacement, which can prevent external dust from adhering to the surface of the unsolidified insulation layer.

[0051] A spherical portion 364 with an enlarged diameter is provided in the middle of the negative pressure tube 363. A lightweight ball 365 is movably provided inside the spherical portion 364 and can seal the lower half of the negative pressure tube 363. The lightweight ball 365 is a hollow plastic ball and the surface is covered with a film to improve the sealing performance. A blocking rod 366 is provided inside the spherical portion 364 and above the lightweight ball 365 to limit the lightweight ball 365 from sealing the upper half of the negative pressure tube 363.

[0052] By setting a ball cover 35 to cover the turbine mechanism 5, in conjunction with the heat dissipation fins 7, the airflow flowing through the ball cover 35 in an annular direction can be used to take away the heat of the circulating hot water in the turbine mechanism 5, thereby realizing heat recovery while dissipating heat. The main hot air pipe 361 can be used to discharge the hot air to the hot air cover 34, which can be used to dry the surface of the cable, thereby facilitating subsequent processing. At the same time, the middle diameter of the main hot air pipe 361 is reduced to increase the air flow rate, thereby generating negative air pressure, allowing the negative pressure pipe 363 to absorb the heat of the newly injected insulation layer in the vertical cylinder 61, and also realizing cooling and heat recovery, which is more energy-saving and environmentally friendly. A lightweight ball 365 is set in the middle spherical part 364 of the negative pressure pipe 363, which can realize one-way exhaust and prevent the airflow in the main hot air pipe 361 from flowing back into the negative pressure pipe 363. The structure is simple and practical.

[0053] Figure 1 and 6 A fifth embodiment is shown, which differs from the fourth embodiment mainly in that the cooling system 1 comprises a U-shaped bottom box 11 and vertical pipes 12 fixedly connected at both ends of its top, a drain valve 13 fixedly connected to the bottom of the U-shaped bottom box 11, a hollow wheel 15 rotatably connected to the middle of the interior of the U-shaped bottom box 11 via a centering shaft 14, the hollow wheel 15 is an annular structure, and the hollow setting saves materials on the one hand, and saves water on the other hand, an opening for removing and placing the hollow wheel 15 is provided on the front side of the U-shaped bottom box 11, and a sealing door 16 for sealing the opening is installed on the front side of the U-shaped bottom box 11 via bolts.

[0054] By setting up a U-shaped water immersion cooling system 1, compared with directly using a water tank for immersion cooling, water usage is saved and water circulation is convenient. The relatively sealed settings at both ends can also reduce water volatilization and further save water. A hollow wheel 15 is set inside the turning point to make the cable pulling smoother and avoid surface wear caused by friction between the cable and the U-shaped bottom box 11 at the turning point.

[0055] Figure 7 A sixth embodiment is shown, which mainly differs from the fifth embodiment in that the insulating layer covering mechanism 2 includes a base 21 fixedly connected to the top of the vertical cylinder 61, an injection cover 22 with an injection port on the side is detachably mounted on the top of the base 21, an insulating layer forming hole 23 is provided at the center of the base 21, an expansion cavity 24 is provided in the middle of the insulating layer forming hole 23, the expansion cavity 24 divides the insulating layer forming hole 23 into two sections for two coatings, a plurality of elastic wires 25 for cutting air bulges are fixedly connected to the side of the expansion cavity 24 in an annular direction, and the expansion cavity 24 needs to be cleaned and unblocked after each use to prevent residual material from consolidating the elastic wire 25 and clogging the insulating layer forming hole 23.

[0056] The top of the injection molded cover 22 is connected to a gland 26 via an internal thread. The upper and lower surfaces of the gland 26 are both set as conical surfaces. An elastic rubber block 27 is set at the bottom of the gland 26, and an inner hole with a diameter larger than the wire core is opened in the center of the elastic rubber block 27.

[0057] By setting an expansion cavity 24 in the insulation layer coating mechanism 2 to divide the insulation layer forming hole 23 into two sections, the wire core can be coated with the insulation layer twice. The elastic wire 25 is scraped between the two coatings to break the air bulges formed in the first coating process, and then the second insulation layer coating is performed without gaps, which can effectively eliminate the bubble bulges in the insulation layer on the surface of the cable and ensure product quality.

[0058] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0059] When in use, first remove the outlet end cover 31, the inlet end cover 6 and the U-shaped bottom box 11 and other structures, pass the wire core through the entire device first, then reinstall the various components, pull out the filter cotton 63, and inject a certain amount of water into the cooling system 1 to make the liquid level overflow the water pipe 4 (the liquid level can be observed by setting the inlet end cover 6 as a transparent structure, or adding an observation window, a liquid level sensor and other existing methods), then plug the filter cotton 63 back, pull the wire core from the outlet end to pass through the equipment, and at the same time start the extruder to inject the molten insulation layer material into the injection cover 22, and the molten insulation layer material enters the insulation layer shaping hole 23 and the expansion cavity 24 to coat the wire core with an insulation layer. During the coating process, the elastic wire 25 is used to remove air bubbles.

[0060] After being covered by the insulating layer, it is pulled vertically into the cooling water for cooling, and the water pipe 4 cooperates with the turbine mechanism 5 to cause the water in the cooling system 1 to circulate and dissipate heat.

[0061] The cooled cable is discharged through the windshield cotton 310, the conical elastic membrane 311, and the flat elastic membrane 39, and is guided to the right by the pulley 315 to be output to the next workstation; in this process, the fan 312 draws air and filters it through the filter 313, and then it is discharged to the blowing hood 32 through the blowing pipe 314, and the air pressure pushes the conical elastic membrane 311 downward to blow air against the cable, blowing the moisture attached to the surface downward, and penetrating the windshield cotton 310 to flow back to the cooling system 1; and the airflow enters the ball cover 35 through the outlet pipe 37, and the airflow passes through the turbine mechanism 5 and the heat dissipation fins 7 to carry away the heat, and is discharged from the main hot air pipe 361 to the hot air hood 34, and the airflow increases the flow rate through the thin neck section 362, so that the negative pressure pipe 363 generates negative pressure, draws air from the vertical cylinder 61, and carries part of the heat of the molten insulation layer material, and discharges it together into the hot air hood 34 to blow and dry the cable surface.

[0062] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0063] 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 automatic cable insulation coating device, comprising a cooling system and an insulation coating mechanism installed at the inlet end thereof, characterized in that: The cooling system is in a U-shaped structure, and a heat utilization device is connected between the two ends. The cable core passes through the insulation layer covering mechanism and covers the insulation layer, then vertically downwards to the liquid surface and enters the water for cooling. The opposite sides of the two ends of the cooling system are connected with water pipes, and a turbine mechanism is connected between the two water pipes. The turbine mechanism discharges the water at the inlet end of the cooling system to the outlet end to form a water cycle; The heat utilization device includes an outlet end cover installed at the outlet end of the cooling system, and an air blowing hood for blowing away water stains on the surface of the cable is arranged on the top of the inner wall of the outlet end cover, and a wind shielding plate for blocking the airflow is arranged on the inner side of the outlet end cover and below the air blowing hood, and a hot air hood for blowing hot air to the cable to achieve drying is also arranged on the top of the outlet end cover, and a ball cover is provided on the outer cover of the turbine mechanism and the water pipe, and an inlet end cover is installed at the inlet end of the cooling system, and the inlet end cover, the ball cover and the outlet end cover are connected through a hot air pipeline, and the hot air pipeline absorbs the heat of the turbine mechanism and the cable surface through wind power and discharges it into the hot air hood.

2. The automatic cable insulation coating device according to claim 1 is characterized in that: The ball cover is composed of two upper and lower hemispherical covers fixed by bolts, the surface of the turbine mechanism is fixedly connected with cooling fins, the front and rear sides of the top of the ball cover are provided with air inlet and air outlet, and the air inlet of the ball cover is connected with the outlet end cover located between the wind baffle and the blowing hood through the outlet pipe.

3. The automatic cable insulation coating equipment according to claim 1 is characterized in that: The inner surface of the outlet end cover is circumferentially distributed with a plurality of pressing blocks for pressing the wind baffle plate against the end surface of the cooling system, the center of gravity of the wind baffle plate is provided with a sinking groove, and the sinking groove is penetrated with a wind shield cotton that can penetrate water and block airflow, and the top of the wind shield cotton is provided with a conical surface for guiding airflow outward; The blowing hood is configured as a downwardly protruding conical structure, and a through hole with a diameter larger than the cable diameter is opened in the center, a conical elastic membrane is pasted on the center of the inner surface of the blowing hood, a flat elastic membrane is fixedly connected to the middle of the top of the inner wall of the outlet end cover, and a through hole with a hole diameter smaller than the outer diameter of the cable in a natural state is opened in the center of the conical elastic membrane and the flat elastic membrane.

4. The automatic cable insulation coating equipment according to claim 1 is characterized in that: A fan is fixedly connected to the front side of the outlet end cover, a filter window covering the filter screen is provided on the rear side of the side wall of the fan, and a blow pipe is connected between the air outlet on the front side of the fan and the top of the outlet end cover.

5. The automatic cable insulation coating equipment according to claim 1 is characterized in that: The right side of the hot air hood is opened, a pulley is arranged on the top of the outlet end cover and on the right side of the hot air hood, and the left half of the pulley extends into the inside of the hot air hood.

6. The automatic cable insulation coating equipment according to claim 1 is characterized in that: A vertical cylinder is arranged at the center of the inlet end cover, and the bottom end of the vertical cylinder is lower than the bottom end of the water pipe, and a heat dissipation ring sheet is arranged on the side of the bottom end of the vertical cylinder; The hot air pipeline includes a main hot air pipe connecting the ball cover air outlet and the hot air cover, a thin neck section is arranged in the middle of the main hot air pipe, and the bottom of the thin neck section is obliquely connected to a negative pressure pipe whose one end is connected to a vertical tube, and a filter cotton is penetrated and engaged on the other side of the vertical tube relative to the negative pressure pipe.

7. The automatic cable insulation coating equipment according to claim 6 is characterized in that: A spherical portion with an enlarged diameter is arranged in the middle of the negative pressure tube, a lightweight ball which can seal the lower half of the negative pressure tube is movably arranged inside the spherical portion, and a blocking rod which limits the lightweight ball from sealing the upper half of the negative pressure tube is arranged inside the spherical portion and above the lightweight ball.

8. The automatic cable insulation coating equipment according to claim 1 is characterized in that: The cooling system includes a U-shaped bottom box and vertical pipes fixedly connected at both ends of its top, a drain valve fixedly connected to the bottom of the U-shaped bottom box, a hollow wheel rotatably connected to the middle of the interior of the U-shaped bottom box via a centering shaft, an opening for removing and placing the hollow wheel is provided on the front side of the U-shaped bottom box, and a sealing door for sealing the opening is installed on the front side of the U-shaped bottom box via bolts.

9. The automatic cable insulation coating equipment according to claim 1, characterized in that: The insulating layer covering mechanism includes a base fixedly connected to the top of the vertical cylinder, an injection cover with an injection port on the side is detachably installed on the top of the base, an insulating layer forming hole is opened in the center of the base, and an expansion cavity is opened in the middle of the insulating layer forming hole. The expansion cavity divides the insulating layer forming hole into two sections for two coverings, and a plurality of elastic wires for cutting the air bulge are fixedly connected to the side of the expansion cavity in an annular direction.

10. The automatic cable insulation coating equipment according to claim 9, characterized in that: The top of the injection molded cover is connected with a gland through an internal thread. The upper and lower surfaces of the gland are both set as conical surfaces. The bottom of the gland is provided with an elastic rubber block, and the center of the elastic rubber block is provided with an inner hole with a diameter larger than the wire core.

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