CN110600200A

CN110600200A - Operation method of spraying, annealing and shaping device for processing outer insulating layer of power cable

Info

Publication number: CN110600200A
Application number: CN201910918125.5A
Authority: CN
Inventors: 史科伟; 张漫坡; 张燕燕
Original assignee: Huatong Cable Inc
Current assignee: Huatong Cable Inc
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2019-12-20

Abstract

An operation method of a spraying, temperature-reducing and shaping device for processing an outer insulating layer of a power cable comprises a feeding box, a feeding assembly, a temperature-reducing box, a material conveying chamber, a material conveying assembly, a water filtering plate, a water storage tank, a material outlet and supporting legs, wherein the supporting legs are fixedly installed on the periphery of the bottom of the temperature-reducing box, the material conveying chamber is arranged inside the temperature-reducing box, the water filtering plate is fixedly installed inside the material conveying chamber, the water storage tank is arranged at the bottom of the water filtering plate, and the material conveying assembly is arranged at the top of the water filtering plate; this spray setting device that moves back, simple structure, convenient operation during the use, through with power cable outer insulating layer with prevent scraping the cushion contact to through the effect of gravity nature gliding, through the water smoke cooling back of warming, rethread cold wind is stereotyped, can effectively avoid the destruction that traditional equipment caused power cable outer insulating layer, can improve the yields of power cable insulating layer processing, reduces economic loss.

Description

Operation method of spraying, annealing and shaping device for processing outer insulating layer of power cable

Technical Field

The invention relates to the field of cable processing equipment, in particular to an operation method of a spraying, annealing and shaping device for processing an outer insulating layer of a power cable.

Background

When an outer insulating layer of an existing power cable is processed, the processing temperature of the outer insulating layer of the power cable is high, the insulating layer is soft, the surface of the outer insulating layer of the power cable cannot touch hard objects, generally, slow cooling and shaping are needed, a traditional cooling method is generally used for shaping the outer insulating layer of the high-temperature cable through warm water in a heating water tank, but a conveying guide roller easily damages and deforms the soft insulating layer with high temperature, and meanwhile, a cooling and shaping device in the prior art is inconvenient to feed, so that an operation method for designing the spraying cooling and shaping device for processing the outer insulating layer of the power cable is necessary.

Disclosure of Invention

The invention aims to provide an operation method of a spraying, annealing and shaping device for processing an outer insulating layer of a power cable, which is simple in structure and convenient to operate.

The purpose of the invention can be realized by the following technical scheme:

an operation method of a spraying, temperature-reducing and shaping device for processing an outer insulating layer of a power cable comprises a feeding box, a feeding assembly, a temperature-reducing box, a material conveying chamber, a material conveying assembly, a water filtering plate, a water storage tank, a discharge port and support legs, wherein the support legs are fixedly mounted on the periphery of the bottom of the temperature-reducing box, the material conveying chamber is arranged in the temperature-reducing box, the water filtering plate is fixedly mounted in the material conveying chamber, the water storage tank is arranged at the bottom of the water filtering plate, the material conveying assembly is arranged at the top of the water filtering plate, the discharge port is formed in one side end face of the temperature-reducing box, the feeding box is fixedly mounted on one side of the top of the temperature-reducing box through bolts, the feeding assembly is arranged on one side of the top of the feeding box;

the temperature-reducing component comprises an equipment box, a temperature-reducing water pump, a water supply pipe, a water inlet, a water pumping pipe, a water inlet pipe, a water storage tank, a branch pipe, a water mist spray head, an air cooler, a ventilating plate, an installation base frame, a ventilating pipe and a cold air spray head, wherein the equipment box is fixedly arranged on the other side of the top of the temperature-reducing box, the water storage tank is fixedly arranged on one side of the inside of the equipment box, the water inlet is connected to one side of the top of the equipment box, the water inlet pipe is inserted into the water inlet, one end of the bottom of the water inlet pipe penetrates through the equipment box and is connected with one side of the top of the water storage tank, the temperature-reducing water pump is fixedly arranged on the other side of the top of the water storage tank, the water pumping pipe is arranged at one end of the, an air cooler is fixedly installed in the center of the top of the installation chassis, and a ventilation pipe is installed at the bottom air outlet of the air cooler in a connected mode.

The operation method of the spraying, annealing and shaping device for processing the outer insulating layer of the power cable comprises the following specific operation steps:

when the device is used, the supporting legs provide a supporting effect for the annealing box, a processed cable semi-finished product is thrown into the feeding box through the feeding component at the top of the feeding box, the semi-finished product enters the inside of the soaking groove through the feeding table and is contacted with the scratch-resistant cushion, the semi-finished product can naturally fall under the action of gravity, in the falling process, the air supply motor at the bottom of the motor frame works, the spiral fan blades are driven to rotate through the motor shaft, air is sucked through the air inlet at the top of the air supply box to generate wind power, the wind power is conveyed into the feeding groove through the air supply outlet at the bottom of the air supply box and is blown to the processed semi-finished product, meanwhile, cooling water is injected into the water storage tank through the water inlet pipe through the water inlet, the annealing component works, the cooling water pump inside the equipment box works, the cooling water in the water storage tank is pumped into the water supply, then the semi-finished product is conveyed to a plurality of water mist nozzles through a branch pipe, so that water mist is sprayed on the surface of the processed semi-finished product, the processed semi-finished product is cooled, the cooled semi-finished product slides downwards to the inside of a conveying chamber and contacts with a conveying component, an electric cabinet enables a conveyor to work, the conveyor conveys the cooled semi-finished product, an air cooler on the top of an installation chassis works in the conveying process, generated cooling air is conveyed into a cold air nozzle through a ventilation pipe, the cooled semi-finished product is sprayed to the outside through the cold air nozzle, so that cold air cooling is carried out, the semi-finished product is shaped, the shaped semi-finished product moves along with the movement of the conveyor and moves to a blanking bottom plate, under the action of a cleaning brush on the bottom of the installation top plate, the water mist on the surface of the semi-finished product can be cleaned and is conveyed to the outside through a discharge port, and waste water generated in the process of cooling shaping can be collected into a water, is convenient to recover and clean; the ventilation board of equipment box one side can be convenient for the air-cooler to ventilate.

As a further scheme of the invention: defeated material subassembly is including defeated material machine, electric cabinet, installation roof, cleaning brush and unloading bottom plate, defeated material machine fixed mounting is in top one side of drainage board, the bottom central authorities of defeated material machine connect and install the electric cabinet, the inboard top fixed mounting of discharge gate has the installation roof, and the one end of installation roof and the outer wall connection of defeated material room, the bottom central authorities fixed mounting of installation roof has the cleaning brush, the inboard bottom fixed mounting of discharge gate has the unloading bottom plate, and the one end of unloading bottom plate and the bottom fixed connection of defeated material machine.

As a further scheme of the invention: the feeding subassembly includes the feed table, prevents scraping cushion, feed chute, air supply case, motor frame, air supply motor, helical fan blade and supply-air outlet, feed table fixed mounting is in top one side of feed case, the inside of feed case is provided with the feed chute, the laminating of one side inner wall of feed chute is installed and is prevented scraping the cushion, air supply case fixed mounting is at the top opposite side of feed case, there is the motor frame inside of air supply case through screw fixed mounting, and the bottom of motor frame installs the air supply motor through the bolt, helical fan blade is installed through the motor shaft in air supply motor's bottom, the supply-air outlet has been seted up to the bottom of air supply case, and supply-air outlet and feed chute intercommunication, the air intake has been seted up at the top of air supply case.

As a further scheme of the invention: a distribution pipe is arranged on one side of the inner wall of the feeding groove, a plurality of water mist spray heads are connected and mounted on one side of the distribution pipe, one ends of the water mist spray heads are communicated with the feeding groove, and the other end of the water delivery pipe penetrates through the equipment box, the feeding box and the distribution pipe and is fixedly connected with the distribution pipe.

As a further scheme of the invention: the cold air spray nozzle is arranged in the conveying chamber and located on one side of the top of the conveying machine, and one end of the ventilation pipe penetrates through the equipment box, the temperature-reducing box, the conveying chamber and the cold air spray nozzle to be fixedly connected.

As a further scheme of the invention: the front end face of the equipment box is fixedly provided with a ventilation plate, and the ventilation plate is provided with a plurality of ventilation holes.

The invention has the beneficial effects that: the spraying, cooling and shaping device for processing the outer insulating layer of the power cable is simple in structure and convenient to operate, when in use, the outer insulating layer of the power cable can be contacted with the scratch-resistant soft cushion through the feeding assembly, the power cable can naturally slide downwards under the action of gravity and wind force, the water mist spray nozzle can spray cooling mist through the cooling assembly, the outer insulating layer of the power cable is cooled and cooled through water mist and then is conveyed through the material conveying assembly, cold air generated by an air cooler can be sprayed to the outer surface of the outer insulating layer of the power cable through the cold air spray nozzle in the conveying process, so that the outer insulating layer of the power cable is shaped through the cold air, the outer insulating layer of the power cable after being shaped is cleaned through the cleaning brush and is conveyed to the outside through the blanking bottom plate and the discharge port, and in the cooling and shaping process, the damage of traditional equipment to the outer insulating layer of the power, the yield of processing the power cable insulating layer can be improved, and the economic loss is reduced.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an overall cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the annealing assembly of the present invention;

in the figure: 1. a feeding box; 2. a feed assembly; 3. a temperature-reducing component; 4. a temperature reduction box; 5. a material conveying chamber; 6. a material conveying component; 7. a water filter plate; 8. a water storage tank; 9. a discharge port; 10. supporting legs; 21. a feeding table; 22. a scratch-resistant cushion; 23. a feed chute; 24. an air supply box; 25. a motor frame; 26. an air supply motor; 27. a helical fan blade; 28. an air supply outlet; 31. an equipment box; 32. a cooling water pump; 33. a water supply pipe; 34. a water inlet; 35. a water pumping pipe; 36. a water inlet pipe; 37. a water storage tank; 38. a connection pipe is connected; 39. a water mist spray head; 310. an air cooler; 311. a ventilation board; 312. installing a bottom frame; 313. a vent pipe; 314. a cold air spray head; 61. a material delivery machine; 62. an electric cabinet; 63. installing a top plate; 64. a cleaning brush; 65. and (5) blanking bottom plates.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, an operation method of a spraying, cooling and shaping device for processing an outer insulating layer of a power cable comprises a feeding box 1, a feeding assembly 2, a cooling assembly 3, a cooling box 4, a material conveying chamber 5, a material conveying assembly 6, a water filtering plate 7, a water storage tank 8, a material outlet 9 and supporting legs 10, wherein the supporting legs 10 are fixedly installed around the bottom of the cooling box 4, the material conveying chamber 5 is arranged inside the cooling box 4, the water filtering plate 7 is fixedly installed inside the material conveying chamber 5, the water storage tank 8 is arranged at the bottom of the water filtering plate 7, the material conveying assembly 6 is arranged at the top of the water filtering plate 7, the material outlet 9 is formed in one side end face of the cooling box 4, the feeding box 1 is fixedly installed on one side of the top of the cooling box 4 through bolts, the feeding assembly 2 is arranged on one side of the top of the feeding box 1, and the cooling assembly 3 is; the temperature reduction component 3 comprises an equipment box 31, a temperature reduction water pump 32, a water supply pipe 33, a water inlet 34, a water pumping pipe 35, a water inlet pipe 36, a water storage tank 37, a branch pipe 38, a water mist nozzle 39, an air cooler 310, a ventilating plate 311, an installation bottom frame 312, a ventilating pipe 313 and a cold air nozzle 314, wherein the equipment box 31 is fixedly installed at the other side of the top of the temperature reduction box 4, the water storage tank 37 is fixedly installed at one side of the inside of the equipment box 31, the water inlet 34 is connected and installed at one side of the top of the equipment box 31, the water inlet pipe 36 is installed inside the water inlet 34 in an inserted manner, one end of the bottom of the water inlet pipe 36 penetrates through the equipment box 31 to be connected with one side of the top of the water storage tank 37, the temperature reduction water pump 32 is fixedly installed at the other side of the top of the water storage, a distribution pipe 38 is arranged on one side of the inner wall of the feed tank 23, one side of the distribution pipe 38 is connected with a plurality of water mist nozzles 39, one end of each water mist nozzle 39 is communicated with the feed tank 23, and the other end of the water supply pipe 33 penetrates through the equipment box 31 and the feed box 1 to be fixedly connected with the distribution pipe 38; an installation underframe 312 is fixedly installed on the other side inside the equipment box 31, an air cooler 310 is fixedly installed in the center of the top of the installation underframe 312, an air outlet at the bottom of the air cooler 310 is connected with and installed with a ventilation pipe 313, a cold air nozzle 314 is arranged inside the material conveying chamber 5, the cold air nozzle 314 is located on one side of the top of the material conveying machine 61, one end of the ventilation pipe 313 penetrates through the equipment box 31, the annealing box 4, the material conveying chamber 5 and the cold air nozzle 314 to be fixedly connected, so that cold air conveying is facilitated, a ventilation plate 311 is fixedly installed on the end face of the front end of the equipment box 31, and a plurality of ventilation holes are formed in the ventilation; the feeding assembly 2 comprises a feeding table 21, a scratch-resistant cushion 22, a feeding groove 23, an air supply box 24, a motor frame 25, an air supply motor 26, a spiral fan blade 27 and an air supply opening 28, the feeding table 21 is fixedly installed on one side of the top of the feeding box 1, the feeding groove 23 is formed in the feeding box 1, the scratch-resistant cushion 22 is installed on the inner wall of one side of the feeding groove 23 in a fitting mode, the air supply box 24 is fixedly installed on the other side of the top of the feeding box 1, the motor frame 25 is fixedly installed in the air supply box 24 through screws, the air supply motor 26 is installed at the bottom of the motor frame 25 through bolts, the spiral fan blade 27 is installed at the bottom of the air supply motor 26 through a motor shaft, the air supply opening 28 is formed in the bottom of the air supply box 24, the air supply opening; the feeding component 2 is used for feeding, so that the damage of a conveying roller to a cable in the traditional equipment is avoided; defeated material subassembly 6 is including defeated material machine 61, electric cabinet 62, installation roof 63, cleaning brush 64 and unloading bottom plate 65, defeated material machine 61 fixed mounting is in top one side of drainage board 7, electric cabinet 62 is installed to the bottom central authorities of defeated material machine 61 connection, the inboard top fixed mounting of discharge gate 9 has installation roof 63, and the one end of installation roof 63 and the outer wall connection of defeated material room 5, the bottom central authorities fixed mounting of installation roof 63 has cleaning brush 64, the inboard bottom fixed mounting of discharge gate 9 has unloading bottom plate 65, and the one end of unloading bottom plate 65 and the bottom fixed connection of defeated material machine 61, can be convenient for carry the cable through defeated material subassembly 6, and carry out the unloading with the cable after the cooling.

When in use, the supporting legs 10 provide a supporting effect for the annealing box 4, a processed cable semi-finished product is put into the feeding box 1 through the feeding component 2 at the top of the feeding box 1, the semi-finished product enters the inside of the soaking tank through the feeding table 21, so that the semi-finished product is contacted with the scratch-resistant cushion 22, and under the action of gravity, the semi-finished product can naturally fall down, in the falling process, the air supply motor 26 at the bottom of the motor frame 25 works, the spiral fan blades 27 are driven to rotate through the motor shaft, air is sucked through the air inlet at the top of the air supply box 24, so that wind power can be generated, the semi-finished product is conveyed into the feeding tank 23 through the air supply port 28 at the bottom of the air supply box 24 and blown to the processed semi-finished product, meanwhile, cooling water is injected into the water storage tank 37 through the water inlet pipe 36 through the water inlet 34, the annealing component 3 works, the cooling water pump 32 inside the equipment box 31 works, the cooling, then the semi-finished product is conveyed to a plurality of water mist nozzles 39 through a branch pipe 38, so that water mist is sprayed on the surface of the processed semi-finished product, the processed semi-finished product is cooled, the cooled semi-finished product slides downwards to the inside of a conveying chamber 5 and contacts with a conveying component 6, an electric cabinet 62 enables a conveyor 61 to work, the conveyor 61 conveys the cooled semi-finished product, in the conveying process, an air cooler 310 arranged at the top of a bottom frame 312 works, generated cooling air is conveyed into a cold air nozzle 314 through a vent pipe 313, the cooled semi-finished product is sprayed to the box through the cold air nozzle 314, so that cold air cooling is carried out, the semi-finished product is shaped, the shaped semi-finished product moves to a blanking bottom plate 65 along with the movement of the conveyor 61, the water mist on the surface of the semi-finished product can be cleaned under the action of a cleaning brush 64 arranged at the bottom of a top plate 63, and is conveyed to the outside through, the waste water generated in the process of cooling and shaping can be collected into the water storage tank 8 through the water filtering plate 7, so that the waste water is convenient to recover and clean; the ventilation board 311 at one side of the equipment box can facilitate ventilation of the air cooler 310.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An operation method of a spraying and cooling setting device for processing an outer insulating layer of a power cable is characterized by comprising a feeding box (1), a feeding assembly (2), a cooling assembly (3), a cooling box (4), a material conveying chamber (5), a material conveying assembly (6), a water filtering plate (7), a water storage tank (8), a discharge port (9) and supporting legs (10), wherein the supporting legs (10) are fixedly arranged on the periphery of the bottom of the cooling box (4), the material conveying chamber (5) is arranged inside the cooling box (4), the water filtering plate (7) is fixedly arranged inside the material conveying chamber (5), the water storage tank (8) is arranged at the bottom of the water filtering plate (7), the material conveying assembly (6) is arranged at the top of the water filtering plate (7), the discharge port (9) is formed in one side end face of the cooling box (4), a feeding box (1) is fixedly installed on one side of the top of the annealing box (4) through a bolt, a feeding assembly (2) is arranged on one side of the top of the feeding box (1), and an annealing assembly (3) is arranged on the other side of the top of the annealing box (4);

the cooling assembly (3) comprises an equipment box (31), a cooling water pump (32), a water supply pipe (33), a water inlet (34), a water pumping pipe (35), a water inlet pipe (36), a water storage tank (37), a branch pipe (38), a water mist sprayer (39), an air cooler (310), a ventilating plate (311), an installation chassis (312), a ventilating pipe (313) and a cold air sprayer (314), wherein the equipment box (31) is fixedly installed at the other side of the top of the cooling box (4), the water storage tank (37) is fixedly installed at one side of the inside of the equipment box (31), the water inlet (34) is installed at one side of the top of the equipment box (31), the water inlet pipe (36) is installed inside the water inlet (34) in an inserting mode, one end of the bottom of the water inlet pipe (36) penetrates through the equipment box (31) to be connected with one side of the top of the water storage tank (37), one end of the cooling water pump (32) is provided with a water pumping pipe (35) through a connecting flange, one end of the water pumping pipe (35) is inserted into the water storage tank (37), the other end of the cooling water pump (32) is provided with a water feeding pipe (33) in a connecting manner, the other side of the inside of the equipment box (31) is fixedly provided with an installation underframe (312), the center of the top of the installation underframe (312) is fixedly provided with an air cooler (310), and the air outlet at the bottom of the air cooler (310) is provided with a ventilation pipe (313) in a connecting manner;

when in use, the support legs (10) provide a support effect for the annealing box (4), the processed cable semi-finished product is thrown into the feeding box (1) through the feeding component (2) at the top of the feeding box (1), the semi-finished product enters the soaking tank through the feeding table (21), so that the semi-finished product is contacted with the scratch-proof cushion (22), the semi-finished product can naturally fall under the action of gravity, in the falling process, the air supply motor (26) at the bottom of the motor frame (25) works, the spiral fan blades (27) are driven to rotate through the motor shaft, air is sucked through the air inlet at the top of the air supply box (24), thereby wind power can be generated, the air is conveyed into the feeding tank (23) through the air supply outlet (28) at the bottom of the air supply box (24) and blown to the processed semi-finished product, and meanwhile, cooling water is injected into the water storage tank (37) through the water inlet (36) through the water inlet (34), the cooling water pump (32) in the equipment box (31) works, cooling water in the water storage tank (37) is pumped into the water supply pipe (33) through the water pumping pipe (35) and then is conveyed to the plurality of water mist spray heads (39) through the branch connecting pipe (38), so that water mist is sprayed on the surface of the processed semi-finished product, the processed semi-finished product is cooled, the cooled semi-finished product slides downwards into the conveying chamber (5) and is contacted with the conveying component (6), the electric cabinet (62) enables the conveying machine (61) to work, the conveying machine (61) conveys the cooled semi-finished product, in the conveying process, the air cooler (310) at the top of the underframe (312) is installed to work, cooling air is conveyed into the cold air spray head (314) through the ventilation pipe (313), and then the cooled semi-finished product is sprayed to the cold air spray box through the cold air spray head (314) to cool, the semi-finished product is shaped, the shaped semi-finished product moves to a blanking bottom plate (65) along with the movement of a material conveyor (61), water mist on the surface of the semi-finished product can be cleaned under the action of a cleaning brush (64) at the bottom of an installation top plate (63), the water mist is conveyed to the outside through a discharge hole (9), and waste water generated in the process of cooling and shaping can be collected into a water storage tank (8) through a water filtering plate (7) so as to be convenient to recover and clean; a ventilation board (311) on one side of the equipment box can facilitate ventilation of the air cooler (310).

2. The operating method of the spraying, annealing and sizing device for processing the outer insulating layer of the power cable according to claim 1, it is characterized in that the material conveying component (6) comprises a material conveying machine (61), an electric cabinet (62), a mounting top plate (63), a cleaning brush (64) and a blanking bottom plate (65), the material conveyor (61) is fixedly arranged at one side of the top of the water filtering plate (7), the center of the bottom of the material conveyor (61) is connected with an electric cabinet (62), a mounting top plate (63) is fixedly arranged at the top of the inner side of the discharge hole (9), one end of the mounting top plate (63) is connected with the outer wall of the material conveying chamber (5), a cleaning brush (64) is fixedly mounted in the center of the bottom of the mounting top plate (63), a blanking bottom plate (65) is fixedly arranged at the bottom of the inner side of the discharge hole (9), and one end of the blanking bottom plate (65) is fixedly connected with the bottom of the material conveyor (61).

3. The operating method of the spraying, annealing and sizing device for processing the outer insulating layer of the power cable according to claim 1, wherein the feeding assembly (2) comprises a feeding table (21), a scratch-resistant cushion (22), a feeding groove (23), an air supply box (24), a motor frame (25), an air supply motor (26), a spiral fan blade (27) and an air supply outlet (28), the feeding table (21) is fixedly installed on one side of the top of the feeding box (1), the feeding groove (23) is arranged inside the feeding box (1), the scratch-resistant cushion (22) is installed on the inner wall of one side of the feeding groove (23) in an attaching manner, the air supply box (24) is fixedly installed on the other side of the top of the feeding box (1), the motor frame (25) is fixedly installed inside the air supply box (24) through screws, and the air supply motor (26) is installed on the bottom of the motor frame (25) through bolts, spiral fan blade (27) are installed through the motor shaft in the bottom of air supply motor (26), supply-air outlet (28) have been seted up to the bottom of air supply box (24), and supply-air outlet (28) and feed chute (23) intercommunication, the air intake has been seted up at the top of air supply box (24).

4. The operating method of the spraying, annealing and sizing device for processing the outer insulating layer of the power cable according to claim 1, wherein a branch pipe (38) is arranged on one side of the inner wall of the feed channel (23), a plurality of water mist nozzles (39) are connected and installed on one side of the branch pipe (38), one end of each water mist nozzle (39) is communicated with the feed channel (23), and the other end of the water supply pipe (33) penetrates through the equipment box (31) and the feed box (1) and is fixedly connected with the branch pipe (38).

5. The operating method of the spraying, cooling and sizing device for processing the outer insulating layer of the power cable according to claim 1, wherein the cold air nozzle (314) is arranged inside the material conveying chamber (5), the cold air nozzle (314) is positioned on one side of the top of the material conveying machine (61), and one end of the ventilation pipe (313) penetrates through the equipment box (31), the cooling box (4), the material conveying chamber (5) and is fixedly connected with the cold air nozzle (314).

6. The operating method of the spraying, annealing and sizing device for the outer insulation layer of the power cable according to claim 1, wherein the front end face of the equipment box (31) is fixedly provided with a ventilation plate (311), and the ventilation plate (311) is provided with a plurality of ventilation holes.