Cable coating device and coating method thereof

Abstract

The invention belongs to the technical field of cable processing, and discloses a cable coating device and a coating method thereof.The cable coating device comprises a shell, a partition plate is fixedly installed on the inner wall of the shell, a first through hole is formed in an inner cavity in the middle of the partition plate in a penetrating mode, and second through holes are formed in inner cavities in the middles of the two ends of the shell in a penetrating mode; the first through hole and the two second through holes are positioned on the same linear reference axis; through the shell, the partition plate, the first through hole and the second through hole, main body bearing of the structure on the device is facilitated, meanwhile, the penetrating type bearing effect on the to-be-coated cable can be achieved, and through the arranged transmission assembly and the arranged coating assembly, in the automatic transmission process of the to-be-coated cable, the coating efficiency of the to-be-coated cable can be improved, and the coating efficiency of the to-be-coated cable can be improved. The automatic and uniform coating work of the outer surface coating is achieved, and therefore the problems that due to manual coating operation, operation is troublesome, the working efficiency is low, and the coating quality is poor are effectively solved.

Description

Technical Field

[0001] The present application relates to the technical field of cable processing, and more specifically, to a cable coating device and a coating method thereof. Background Art

[0002] Cable is a collection of wires used to transmit electrical energy or signals. It consists of a conductor, an insulation layer, a sheath, etc. It is widely used in various fields, such as power systems, communication networks, buildings, etc. The quality and performance of cables are crucial to the reliability of power transmission and communication.

[0003] At present, in order to improve the protection factor of the outer surface of the cable, the outer surface of the cable is usually coated with paint. However, the existing coating work on the outer surface of the cable is generally carried out by manual operation, which makes the coating operation troublesome and the work efficiency low. In addition, there is also the problem of poor coating quality on the outer surface of the cable.

[0004] In order to solve the above problems, the present application provides a cable coating device and a coating method thereof. Summary of the invention

[0005] The present application provides a cable coating device and a coating method thereof using the following technical solutions: A cable coating device and a coating method thereof, comprising a shell, a partition plate fixedly mounted on the inner wall of the shell, a first through hole being provided in the inner cavity in the middle of the partition plate, second through holes being provided in the inner cavity in the middle of both ends of the shell plate, and the first through hole and the two second through holes being located on the same linear reference axis, transmission components being provided on both outer surfaces of the shell, and coating components and drying components being provided on both sides of the shell, respectively, and the coating components and drying components being located on both sides of the partition plate; The coating assembly comprises a hollow cylinder, and connecting blocks are fixedly installed at the connection points between the outer surfaces on both sides of the middle part of the hollow cylinder and the inner wall of the shell, a through groove is opened on the inner wall of the middle part of the hollow cylinder, and the inner cavity of the hollow cylinder is connected to the outside through the through groove, and a rotating cylinder is slidably sleeved on the inner cavity of one side of the hollow cylinder close to the through groove, and both sides of the inner surface of the rotating cylinder are in sliding contact with sealing rings, and the sealing rings are fixedly installed at one side of the inner cavity of the hollow cylinder, and the outer surface of the rotating cylinder is uniformly slidably contacted with a plurality of limit balls, and each of the limit balls One side of the rotating cylinder is fixedly connected with a connecting rod, and one end of each connecting rod is fixedly installed on a side of the inner cavity of the hollow cylinder away from the through groove, one side of the inner surface of the rotating cylinder is fixedly sleeved with a gear ring, the top of the gear ring is meshed with a linkage gear, one end face of the linkage gear is connected to a driving motor through a rotating shaft, and the other side of the inner surface of the rotating cylinder is evenly fixedly sleeved with three shunt pipes, a small pump body is provided on the shunt pipe, and a nozzle is fixedly installed on the side of the shunt pipe away from the rotating cylinder, and a paint pipe is fixedly sleeved on the top of the hollow cylinder.

[0006] Through the above technical solution, the first perforation and the second perforation realize the transmission-type penetration function of the cable.

[0007] Furthermore, a mounting vertical plate is fixedly mounted on the outer wall of the driving motor on the side facing away from the linkage gear, and the top of the mounting vertical plate is fixedly connected to the inner wall of the top end of the shell.

[0008] Through the above technical solution, the vertical plate is installed to fix the drive motor.

[0009] Furthermore, the paint tube is fixedly sleeved through one side of the top of the shell, and a flange is installed at one end of the paint tube away from the shell.

[0010] Through the above technical solution, the flange facilitates the fixed assembly connection between one end of the paint pipe and the external paint supply equipment.

[0011] Furthermore, an inclined plate is provided below the coating assembly, and the inclined plate is fixedly installed at the connection between the partition and the inner wall of one side of the shell in an inclined manner, and a waste port is provided on one side of the bottom end of the inclined plate, and the waste port is opened on one side of the bottom end of the shell.

[0012] Furthermore, the transmission component includes two transmission rollers symmetrically distributed up and down, each of the transmission rollers is movably equipped with ear plates at both ends, and the ear plates are fixedly installed on the outer surface of the shell, and the lower transmission roller is connected to a transmission motor through one end ear plate.

[0013] Through the above technical solution, the transmission components on both sides realize slow and uniform transmission of the cable.

[0014] Furthermore, the drying component includes a drying hood, the inner side wall of which is linearly and evenly and fixedly installed with multiple electric heating tubes at intervals, and multiple through holes are staggeredly distributed on the outer sides of the multiple electric heating tubes, and the multiple through holes are all opened through the outer end of the drying hood.

[0015] Furthermore, both ends of the drying hood are evenly and fixedly connected with three support rods, and the two ends of the drying hood are respectively fixedly connected with the side wall of the partition and the inner wall of the shell through the support rods.

[0016] Through the above technical solution, the drying component realizes the drying of the coating on the outer surface of the cable after coating.

[0017] Furthermore, a fixed platform is provided below the drying component, and the fixed platform is installed in a through-type fixed sleeve on one side of the bottom end of the shell. The fixed platform is a four-sided hollow cover structure, and dustproof nets are embedded and fixedly installed on the four side ends of the fixed platform.

[0018] Through the above technical solution, the dustproof net can filter the gas entering the inner part of the shell.

[0019] Furthermore, a tube is provided above the drying component, and the tube is fixedly installed on one side of the top of the outer shell in a through-type sleeve, and a fan group is provided inside the tube. Protective frames are distributed on the upper and lower sides of the fan group, and two protective frames are fixedly installed on the inner walls of the two ends of the tube respectively.

[0020] Through the above technical solution, the protective frame can achieve the safety protection function on both sides of the fan group.

[0021] Further, the following steps are included: S1: While preparing the cable coating device, energize the electrical components on the device, and connect one end of the coating pipe to the external cable coating supply device through a flange connection; S2: When the cable to be coated is brought close to the device, one end of the cable passes through the second perforations on both sides and the inner cavity of the first perforation, and the outer surface of the cable abuts against the position between the two transmission rollers on each side. Then, the transmission components on both sides are started and the rotating propulsion method of the transmission roller is used to realize the uniform and slow feeding of the cable to be coated in one direction; S3: During the passive feeding process of the cable, when each small pump body is started, the paint poured into the inner cavity of the hollow cylinder by the paint tube is extracted through each shunt pipe and sprayed to the outer surface of the cable through each nozzle. At the same time, the driving motor is started and drives the linkage gear to rotate, so that the gear ring rotates and drives the drum to rotate in the inner cavity of the hollow cylinder, thereby indirectly driving each shunt pipe to make a circular motion, so as to achieve uniform coating on the outer surface of the cable. During the passive rotation of the drum, the sealing rings on both sides are used to block the paint in the inner cavity of the hollow cylinder, and the sliding resistance of each limit ball is used to achieve its own limit. S4: After the evenly coated cable is transmitted through the partition, it is able to move to the inside of the drying hood. At this time, multiple electric heating tubes inside the drying hood dry the coating on the outer surface of the cable. At the same time, the fan group accelerates the flow of gas inside the shell, and multiple through holes on the drying hood allow water vapor to flow. The dried water vapor can be discharged to the outside of the shell, and new gas is supplemented to the inside of the shell through the filtering effect of the dustproof net on the fixed platform.

[0022] In summary, this application includes the following beneficial technical effects: (1) In the present application, the shell, the partition, the first perforation, and the second perforation are provided, which are conducive to the main body receiving of the upper structure, and can also realize the through-type receiving function of the cable to be coated and processed. The transmission component and the coating component provided can realize the automatic uniform coating of the outer surface of the cable to be coated and processed during the automatic transmission process, thereby effectively overcoming the problems of cumbersome operation, low work efficiency and poor coating quality caused by manual coating operation; (2) In the present application, by providing a drying component on one side of the coating component, the above-and-below fixed platforms, the dust screen, the tube, and the fan group on the upper and lower sides of the drying component can work together to effectively dry the surface coating of the transmission cable after the outer surface of the transmission cable is automatically coated, thereby preventing subsequent dripping or scratching of the cable outer surface coating, and further improving the coating quality of the cable outer surface coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of this application; Figure 2 It is an overall internal cross-sectional view of the present application; Figure 3 A three-dimensional diagram of the coating assembly of the present application; Figure 4 A cross-sectional view of a coating assembly of the present application; Figure 5 For this application Figure 4 Enlarged view of point A in the middle; Figure 6 A three-dimensional diagram of the drying component of the present application; Figure 7 This is a three-dimensional diagram of the fixing platform of this application.

[0024] Description of the numbers in the figure: 1. Shell; 2. Partition; 3. First perforation; 4. Second perforation; 5. Transmission component; 6. Coating component; 601. Hollow cylinder; 602. Connecting block; 603. Through groove; 604. Rotating drum; 605. Sealing ring; 606. Limiting ball; 607. Connecting rod; 608. Gear ring; 609. Linkage gear; 610. Driving motor; 611. Paint tube; 612. Diverter tube; 613. Small pump body; 614. Nozzle; 7. Drying component; 701. Drying hood; 702. Electric heating tube; 703. Through hole; 704. Support rod; 8. Inclined plate; 9. Waste port; 10. Fixing table; 1001. Dustproof net; 11. Tube; 12. Fan assembly. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0026] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0028] Example: The present application discloses a cable coating device and a coating method thereof. Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , comprising a shell 1, a partition 2 is fixedly installed on the inner wall of the shell 1, a first through hole 3 is penetrated through the inner cavity in the middle of the partition 2, and second through holes 4 are penetrated through the inner cavities in the middle of both ends of the shell 1, and the first through hole 3 and the two second through holes 4 are located on the same linear reference axis, transmission components 5 are arranged on the outer surfaces of both sides of the shell 1, and a coating component 6 and a drying component 7 are respectively arranged on both sides of the inside of the shell 1, and the coating component 6 and the drying component 7 are respectively located on the two sides of the partition 2; The coating component 6 includes a hollow cylinder 601, and connecting blocks 602 are fixedly installed at the connection between the outer surfaces of both sides of the middle part of the hollow cylinder 601 and the inner wall of the shell 1. A through groove 603 is opened on the inner wall of the middle part of the hollow cylinder 601, and the inner cavity of the hollow cylinder 601 is connected to the outside through the through groove 603. A rotating cylinder 604 is slidably sleeved on the inner cavity of the hollow cylinder 601 on one side close to the through groove 603. Both sides of the inner surface of the rotating cylinder 604 are in sliding contact with sealing rings 605, and the sealing ring 605 is fixedly installed on one side of the inner cavity of the hollow cylinder 601. The outer surface of the rotating cylinder 604 is uniformly slidably contacted with multiple limiting balls 606 on the circumference, and each of the limiting balls 606 is fixedly connected to a connecting rod 607 on one side, and one end of each connecting rod 607 is fixedly installed on one side of the inner cavity of the hollow cylinder 601 away from the through groove 603. A gear ring 608 is fixedly mounted on one side of the inner surface of the cylinder 604, a linkage gear 609 is meshed at the top of the gear ring 608, one end face of the linkage gear 609 is connected to a driving motor 610 through a rotating shaft, three shunt pipes 612 are evenly fixedly mounted on the other side of the inner surface of the rotating cylinder 604, a small pump body 613 is provided on the shunt pipe 612, and a nozzle 614 is fixedly mounted on the side of the shunt pipe 612 away from the rotating cylinder 604, a paint tube 611 is fixedly mounted on the top of the hollow cylinder 601, a mounting vertical plate is fixedly mounted on the outer wall of the side of the driving motor 610 facing away from the linkage gear 609, and the top of the mounting vertical plate is fixedly connected to the inner wall of the top of the outer shell 1, the paint tube 611 is fixedly mounted on one side of the top of the outer shell 1, and a flange is mounted on the end of the paint tube 611 away from the outer shell 1.

[0029] A ramp plate 8 is provided below the coating component 6, and the ramp plate 8 is fixedly installed at the connection between the partition 2 and the inner wall of one side of the outer shell 1 in an inclined manner, and a waste port 9 is provided on one side of the bottom end of the ramp plate 8, and the waste port 9 is opened at one side of the bottom end of the outer shell 1. The coordinated setting of the ramp plate 8 and the waste port 9 can realize the function of receiving a small amount of paint dripped during the process of spraying paint on the outer surface of the cable, and facilitate the cleaning or water washing operation of the surface of the ramp plate 8 when necessary. The transmission component 5 includes two transmission rollers symmetrically distributed in an upper and lower manner, and ear plates are movably installed at both ends of each transmission roller, and the ear plates are fixedly installed on the outer surface of the outer shell 1, and a transmission roller on the lower side is connected to a transmission motor through an ear plate at one end.

[0030] See also Figure 1 , Figure 2 , Figure 6 and Figure 7 The drying component 7 includes a drying hood barrel 701, and the inner side wall of the drying hood barrel 701 is linearly and evenly and fixedly installed with multiple electric heating tubes 702 at intervals. The outer sides of the multiple electric heating tubes 702 are staggered with multiple through holes 703, and the multiple through holes 703 are all through-opened at the outer end of the drying hood barrel 701. Both ends of the drying hood barrel 701 are fixedly connected with three support rods 704 in a circumferentially uniform manner, and the two ends of the drying hood barrel 701 are fixedly connected to the side wall of the partition 2 and the inner wall of the shell 1 through the support rods 704.

[0031] A fixed platform 10 is provided below the drying component 7, and the fixed platform 10 is fixedly installed on one side of the bottom end of the outer shell 1 in a through-type sleeve. The fixed platform 10 is a quadrangular platform-shaped hollow cover structure, and the four sides of the fixed platform 10 are embedded and fixedly installed with dustproof nets 1001, wherein, through the fixed platform 10 and each dustproof net 1001 thereon, an air inlet on one side of the bottom end of the outer shell 1 can be formed, and the filtering treatment effect on the incoming gas can be achieved, and the design of the structure of the fixed platform 10 itself is also convenient for cleaning impurities on the outer surface of each dustproof net 1001 when necessary, and a tube 11 is provided above the drying component 7, and the tube 11 is fixedly installed on one side of the top end of the outer shell 1 in a through-type sleeve, and a fan group 12 is arranged inside the tube 11, and protective frames are distributed on the upper and lower sides of the fan group 12, and the two protective frames are fixedly installed on the inner wall positions at both ends of the tube 11.

[0032] The implementation principle of the embodiment of the present application is as follows: S1: While preparing the cable coating device, energize the electrical components on the device, and connect one end of the coating pipe 611 to the external cable coating supply device through a flange connection; S2: When the cable to be coated is brought close to the device, one end of the cable passes through the inner cavity of the second through-hole 4 and the first through-hole 3 on both sides, and the outer surface of the cable abuts against the position between the two transmission rollers on each side, and then the transmission components 5 on both sides are started and the rotary propulsion mode of the transmission roller is used to realize the uniform and slow feeding of the cable to be coated in one direction; S3: During the passive feeding process of the cable, each small pump body 613 is started and the paint poured into the inner cavity of the hollow cylinder 601 by the paint tube 611 is extracted through each shunt tube 612 and sprayed to the outer surface of the cable through each nozzle 614. At the same time, the driving motor 610 is started and drives the linkage gear 609 to rotate, so that the gear ring 608 drives the rotating drum 604 to rotate in the inner cavity of the hollow cylinder 601 during the rotation process, thereby indirectly driving each shunt tube 612 to make a circular motion, so as to achieve uniform coating of the outer surface of the cable. During the passive rotation process of the rotating drum 604, the sealing rings 605 on both sides are used to block the paint in the inner cavity of the hollow cylinder 601, and the sliding resistance of each limit ball 606 is used to achieve its own limit. S4: After the evenly coated cable is transmitted through the partition 2, it is able to move to the inner side of the drying hood 701. At this time, the multiple electric heating tubes 702 inside the drying hood 701 dry the coating on the outer surface of the cable. At the same time, the fan group 12 accelerates the circulation of the gas inside the outer shell 1, and the multiple through holes 703 on the drying hood 701 circulate water vapor, so that the dried water vapor can be discharged to the outside of the outer shell 1, and new gas is supplemented to the inside of the outer shell 1 through the filtering effect of the dustproof net 1001 on the fixed platform 10.

[0033] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A cable coating device, comprising a housing (1), characterized in that: A partition (2) is fixedly mounted on the inner wall of the shell (1), a first through hole (3) is provided in the inner cavity in the middle of the partition (2), and second through holes (4) are provided in the inner cavity in the middle of both ends of the shell (1), and the first through hole (3) and the two second through holes (4) are located on the same linear reference axis. Transmission components (5) are provided on the outer surfaces of both sides of the shell (1), and a coating component (6) and a drying component (7) are provided on both sides of the inside of the shell (1), and the coating component (6) and the drying component (7) are located on both sides of the partition (2). The coating assembly (6) comprises a hollow cylinder (601), and connecting blocks (602) are fixedly installed at the connection points between the outer surfaces of both sides of the middle part of the hollow cylinder (601) and the inner wall of the shell (1), and a through groove (603) is opened on the inner wall of the middle part of the hollow cylinder (601), and the inner cavity of the hollow cylinder (601) is connected to the outside through the through groove (603), and a rotating cylinder (604) is slidably sleeved on the inner cavity of one side of the hollow cylinder (601) close to the through groove (603), and both sides of the inner surface of the rotating cylinder (604) are in sliding contact with sealing rings (605), and the sealing ring (605) is fixedly installed at a position on one side of the inner cavity of the hollow cylinder (601), and the outer surface of the rotating cylinder (604) is uniformly slidably contacted with a plurality of limit balls (606) on the circumference, and each of the limit balls (606) has a The rotating cylinder (604) is fixedly connected to a connecting rod (607) on one side, and one end of each connecting rod (607) is fixedly installed at a position on a side of the inner cavity of the hollow cylinder (601) away from the through groove (603). A gear ring (608) is fixedly sleeved on one side of the inner surface of the rotating cylinder (604). A linkage gear (609) is meshed at the top of the gear ring (608). One end surface of the linkage gear (609) is connected to a driving motor (610) via a rotating shaft. Three shunt pipes (612) are evenly fixedly sleeved on the other side of the inner surface of the rotating cylinder (604). A small pump body (613) is provided on the shunt pipe (612). A nozzle (614) is fixedly installed on the side of the shunt pipe (612) away from the rotating cylinder (604). A paint pipe (611) is fixedly sleeved on the top of the hollow cylinder (601).

2. A cable coating device according to claim 1, characterized in that: A mounting vertical plate is fixedly mounted on the outer wall of the driving motor (610) on the side facing away from the linkage gear (609), and the top of the mounting vertical plate is fixedly connected to the inner wall at the top end of the housing (1).

3. A cable coating device according to claim 1, characterized in that: The paint tube (611) is fixedly sleeved through one side of the top end of the outer shell (1), and a flange is installed at one end of the paint tube (611) away from the outer shell (1).

4. A cable coating device according to claim 1, characterized in that: An inclined plate (8) is provided below the coating assembly (6), and the inclined plate (8) is fixedly installed at a slant position at the connection between the partition plate (2) and the inner wall of one side of the outer shell (1), and a waste opening (9) is provided on one side of the bottom end of the inclined plate (8), and the waste opening (9) is opened at one side of the bottom end of the outer shell (1).

5. A cable coating device according to claim 1, characterized in that: The transmission assembly (5) comprises two transmission rollers which are symmetrically distributed in an upper and lower manner, and each of the transmission rollers has ear plates movably mounted on both ends, and the ear plates are fixedly mounted on the outer surface of the housing (1), and a transmission motor is mounted on the lower transmission roller via an ear plate at one end.

6. A cable coating device according to claim 1, characterized in that: The drying assembly (7) comprises a drying hood cylinder (701), the inner side wall of the drying hood cylinder (701) being linearly uniform and fixedly mounted with a plurality of electric heating tubes (702) at intervals, the outer sides of the plurality of electric heating tubes (702) being staggeredly distributed with a plurality of through holes (703), and the plurality of through holes (703) being all penetrated and opened at the outer end of the drying hood cylinder (701).

7. A cable coating device according to claim 6, characterized in that: Both ends of the drying hood cylinder (701) are uniformly and fixedly connected to three support rods (704) in a circumferential manner, and the two ends of the drying hood cylinder (701) are respectively fixedly connected to the side wall of the partition (2) and the inner wall of the outer shell (1) through the support rods (704).

8. A cable coating device according to claim 1, characterized in that: A fixing platform (10) is provided below the drying component (7), and the fixing platform (10) is fixedly sleeved and installed on one side of the bottom end of the outer shell (1) in a through-type manner. The fixing platform (10) is a four-sided pyramid-shaped hollow cover structure, and dustproof nets (1001) are embedded and fixedly installed on the four side ends of the fixing platform (10).

9. A cable coating device according to claim 1, characterized in that: A tube (11) is provided above the drying component (7), the tube (11) is fixedly sleeved and installed on one side of the top of the outer shell (1) in a through-type manner, and a fan group (12) is provided inside the tube (11), and protective frames are distributed on both upper and lower sides of the fan group (12), and the two protective frames are fixedly installed on the inner wall positions at both ends of the tube (11).

10. A coating method for a cable coating device, characterized in that: The following steps are involved: S1: while preparing the cable coating device, energize the electrical components on the device, and connect one end of the coating pipe (611) to an external cable coating supply device through a flange connection; S2: When the cable to be coated is brought close to the device, one end of the cable is passed through the inner cavity of the second perforations (4) and the first perforations (3) on both sides, and the outer surface of the cable is in contact with the position between the two transmission rollers on each side. Then, the transmission components (5) on both sides are started and the rotary propulsion method of the transmission rollers is used to realize the uniform and slow feeding of the cable to be coated in one direction. S3: During the passive feeding process of the cable, each small pump body (613) is started and the paint poured into the inner cavity of the hollow cylinder (601) by the paint tube (611) is drawn out through each shunt tube (612) and sprayed onto the outer surface of the cable through each nozzle (614). At the same time, the driving motor (610) is started and drives the linkage gear (609) to rotate, so that the gear ring (608) drives the rotating drum (604) to rotate in the inner cavity of the hollow cylinder (601), thereby indirectly driving each shunt tube (612) to make a circular motion, so as to achieve uniform coating on the outer surface of the cable. During the passive self-rotation of the rotating drum (604), the sealing rings (605) on both sides are used to block the paint in the inner cavity of the hollow cylinder (601), and the sliding resistance of each limit ball (606) is used to achieve its own limit. S4: After the evenly coated cable is transmitted through the partition (2), it is able to move to the inside of the drying hood (701). At this time, the multiple electric heating tubes (702) inside the drying hood (701) dry the coating on the outer surface of the cable. At the same time, the fan group (12) accelerates the flow of gas inside the outer shell (1), and the multiple through holes (703) on the drying hood (701) circulate water vapor, so that the dried water vapor can be discharged to the outside of the outer shell (1). New gas is supplemented to the inside of the outer shell (1) through the filtering effect of the dustproof net (1001) on the fixed platform (10).

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