Fishing net thread surface coating device for corrosion-resistant fishing net production

Abstract

The invention belongs to the technical field of corrosion-resistant fishing net production devices, and particularly relates to a fishing net thread surface coating device for corrosion-resistant fishing net production, which comprises a box body, a stirring mechanism is arranged at the lower end in the box body, a separation net is fixedly connected in the box body, and the separation net is positioned at the upper end of the stirring mechanism; under the action of the separation net, the suddenly broken fishing net thread can be prevented from being wound on the stirring mechanism; an air-drying mechanism is arranged on the left side of the box body and used for air-drying the wrapped fishing net threads; a lifting mechanism is arranged at the rear end of the box body, a transmission mechanism is arranged at the lower end of the lifting mechanism, a compression roller is arranged in the box body, and the lifting mechanism is connected with the compression roller through the transmission mechanism. When a fishing net line is laid, the lifting mechanism ascends to drive the pressing roller to move upwards, and when the pressing roller ascends to a proper height, the fishing net line can be laid at the lower end of the pressing roller, so that the fishing net line is conveniently laid at the lower end of the pressing roller when the fishing net line is coated, and the working efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of corrosion-resistant fishing net production devices, and in particular relates to a fishing net line surface coating device for corrosion-resistant fishing net production. Background Art

[0002] Fishing nets are generally made from synthetic fibers. These fibers primarily include monofilaments, multifilaments, or multi-monofilaments of nylon 6 or modified nylon, but can also include fibers such as polyethylene, polyester, and polyvinylidene chloride. Because fishing nets are submerged in water for extended periods, the material is susceptible to aging, shortening their service life. They can also break during use, allowing trapped fish to escape. To improve the corrosion resistance and durability of fishing nets, they are typically soaked in a corrosion-resistant treatment solution during processing, coating the surface and extending their service life.

[0003] After searching, Chinese patent application number 2023225084674 discloses a "fishing line surface coating device for corrosion-resistant fishing net production." The device primarily comprises a housing, with two conveyor rollers mounted on the left and right sides of the housing. Multiple liquid spray pipes are located above the housing, located between the two conveyor rollers. The outer walls of the multiple liquid spray pipes are connected to liquid flow pipes, which in turn are connected to liquid outlet pipes extending through the front end of the housing. The outlet pipes extend to the exterior of the housing and are connected to a booster pump mounted on the front end of the housing. The booster pump is connected to the bottom of the housing's outer wall via a pipe. A filter plate is installed within the housing, located below the two conveyor rollers. A liquid guide frame is mounted on the upper end of the right side wall of the housing, with multiple movable rollers installed within the guide frame. This utility model effectively improves the efficiency of coating the surface of the fishing net line.

[0004] Although the above patent can cover the fishing net line, it is not convenient to lay the fishing net line at the lower end of the conveyor roller because the conveyor roller is fixedly installed inside the box. Summary of the Invention

[0005] The purpose of the present invention is to provide a surface coating device for a fishing net line used in the production of corrosion-resistant fishing nets, which is convenient for laying the fishing net line to the lower end of a pressure roller.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: to provide a surface coating device for fishing net lines for the production of corrosion-resistant fishing nets, comprising a box body, a stirring mechanism is provided at the lower end of the interior of the box body, a partition net is fixedly connected to the interior of the box body, the partition net is located at the upper end of the stirring mechanism, an air-drying mechanism is provided on the left side of the box body, a lifting mechanism is provided at the rear end of the box body, a transmission mechanism is provided at the lower end of the lifting mechanism, a pressure roller is provided inside the box body, and the lifting mechanism is connected to the pressure roller through the transmission mechanism.

[0007] Optionally, the stirring mechanism includes a first motor, a stirring shaft and a stirring blade. The stirring shaft is rotatably connected to the inside of the box, the circumferential surface of the stirring shaft is fixedly connected to the stirring blade, the left side of the box is fixedly connected to the first motor, and the output end of the first motor is fixedly connected to the stirring shaft.

[0008] Optionally, the lifting mechanism includes a fixed plate, a second motor, a screw rod, a movable seat and a connecting rod. The rear end of the box is fixedly connected to the fixed plate. Two fixed plates are provided, and the two fixed plates are respectively distributed at the upper and lower ends of the rear side of the box. The internal rotation of the fixed plate is connected to the screw rod, and the circumferential surface of the screw rod is threadedly connected to the movable seat. The upper end of the movable seat is fixedly connected to the connecting rod, and the connecting rod passes through the fixed plate at the upper end and is slidably connected to the fixed plate at the upper end. The connecting rod is U-shaped; the upper end of the fixed plate at the upper end is fixedly connected to the second motor, and the output end of the second motor is fixedly connected to the screw rod.

[0009] Optionally, the transmission mechanism includes a shell, a rotating shaft, a first gear, a first rack, a limiting groove, a connecting plate, a second gear and a second rack, the lower end of the connecting rod is fixedly connected to the shell, the interior of the shell is rotatably connected to the rotating shaft, the circumferential surface of the rotating shaft is fixedly connected to the first gear and the second gear, and the second gear is located on the rear side of the shell; the interior of the shell is fixedly connected to the limiting groove, and the interior of the limiting groove is slidingly connected to the first rack, and there are two limiting grooves and first rack, and they are distributed on the upper and lower sides of the first gear, the first rack is meshed with the first gear, and the front end of the first rack is fixedly connected to the connecting plate, and the connecting plate is rotatably connected to the pressure roller; the rear wall of the box is fixedly connected to the second rack, and the second rack is meshed with the second gear.

[0010] Optionally, a square hole is opened on the front end surface of the shell, and the upper end of the connecting plate is located inside the square hole and is slidably connected to the square hole.

[0011] Optionally, a slide rail is fixedly connected to the rear wall of the box body, a slider is slidably connected to the slide rail, and the slider is fixedly connected to the shell.

[0012] Optionally, a first support plate is fixedly connected to the left side of the upper end of the box body, two first support plates are provided, and the internal part of the first support plate is rotatably connected to the first guide roller; a second support plate is fixedly connected to the right side of the upper end of the box body, two second support plates are provided, and the internal part of the second support plate is rotatably connected to the second guide roller.

[0013] Optionally, a guide groove is fixedly connected between the two first support plates, and the right end of the guide groove is lower than the left end of the guide groove.

[0014] Optionally, the air-drying mechanism includes a fan, an air outlet pipe, a diverter pipe, a fixing frame, an annular pipe and an air outlet nozzle. The left side of the box is fixedly connected with the fan and the fixing frame, and the air outlet end of the fan is fixedly connected with the air outlet pipe; the inside of the fixing frame is fixedly connected with the diverter pipe, the lower end of the diverter pipe is fixedly connected to the air outlet pipe, the upper end of the diverter pipe is fixedly connected with the annular pipe, the annular pipe is fixedly connected to the fixing frame, and the inside of the annular pipe is fixedly connected with the air outlet nozzle.

[0015] Optionally, a discharge pipe is fixedly connected to the lower right end of the box body, and a valve is installed on the discharge pipe.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] (1) The present invention is provided with a lifting mechanism. When the fishing net line is laid, the lifting mechanism rises, driving the pressure roller to rise. When the pressure roller rises to a suitable height, the fishing net line can be laid to the lower end of the pressure roller, thereby facilitating the laying of the fishing net line to the lower end of the pressure roller during the coating operation, thereby improving work efficiency. After the laying is completed, the lifting mechanism descends, and the fishing net line can be pressed below the liquid level of the treatment liquid, thereby facilitating the coating process of the fishing net line.

[0018] (2) The present invention is provided with a shell, a rotating shaft, a first gear, a first rack, a limiting groove, a connecting plate, a second gear and a second rack. When the connecting rod rises, it drives the shell to move upward, thereby driving the rotating shaft to rotate with the cooperation of the second gear and the second rack. As the rotating shaft rotates, the first rack is driven to slide toward each other inside the limiting groove with the cooperation of the first gear, thereby driving the two connecting plates to move toward each other, thereby shortening the distance between the two pressure rollers, making it easier to pass the fishing net line through the lower ends of the two pressure rollers when laying the fishing net line; when the connecting rod descends, the two connecting plates move away from each other, thereby lengthening the distance between the two pressure rollers, thereby increasing the time for the fishing net line to contact with the treatment liquid, thereby improving the coating effect of the fishing net line. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention from a first perspective;

[0021] Figure 2 This is a schematic diagram of the overall structure of the present invention from a second viewing angle;

[0022] Figure 3 This is a schematic diagram of the overall structure of the present invention from a third viewing angle;

[0023] Figure 4 For the present invention Figure 3 Schematic diagram of the enlarged structure at A in the middle;

[0024] Figure 5 Schematic diagram of the internal structure of the present invention;

[0025] Figure 6 For the present invention Figure 5 Schematic diagram of the enlarged structure at B in the middle;

[0026] Figure 7 For the present invention Figure 5 Schematic diagram of the enlarged structure at C in the middle;

[0027] Figure 8 It is a structural schematic diagram of the transmission mechanism and the pressure roller in cooperation with each other from a first perspective of the present invention;

[0028] Figure 9 A schematic structural diagram of the transmission mechanism and the pressure roller in cooperation with each other from a second perspective of the present invention;

[0029] Figure 10 Schematic diagram of the internal structure of the transmission mechanism of the present invention;

[0030] Figure 11 For the present invention Figure 10 Schematic diagram of the enlarged structure at point D in the middle.

[0031] In the figure: 1. Box; 2. Stirring mechanism; 201. First motor; 202. Stirring shaft; 203. Stirring blade; 3. Separator; 4. Lifting mechanism; 401. Fixed plate; 402. Second motor; 403. Screw; 404. Moving seat; 405. Connecting rod; 5. Transmission mechanism; 501. Housing; 502. Rotating shaft; 503. First gear; 504. First rack; 505. Limiting groove; 506. Connecting plate; 507, second gear; 508, second rack; 6, pressing roller; 7, air-drying mechanism; 701, fan; 702, air outlet pipe; 703, diverter pipe; 704, fixing frame; 705, annular pipe; 706, air outlet nozzle; 8, guide groove; 9, first support plate; 10, first guide roller; 11, second support plate; 12, second guide roller; 13, discharge pipe; 14, valve; 15, slider; 16, slide rail; 17, square hole. DETAILED DESCRIPTION

[0032] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0033] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0034] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0036] refer to Figures 1-11 The present invention provides a surface coating device for a corrosion-resistant fishing net used in the production of fishing nets, as described below. The device comprises a housing 1, a stirring mechanism 2 disposed at the lower end of the housing 1, a partitioning net 3 fixedly connected to the interior of the housing 1, and located above the stirring mechanism 2. The partitioning net 3 prevents suddenly broken fishing net lines from becoming entangled in the stirring mechanism 2. A drying mechanism 7 is disposed on the left side of the housing 1 for drying the coated fishing net lines. A lifting mechanism 4 is disposed at the rear end of the housing 1, a transmission mechanism 5 disposed at the lower end of the lifting mechanism 4, and a pressing roller 6 is disposed within the housing 1, connected to the pressing roller 6 via the transmission mechanism 5.

[0037] When the fishing net line is in the process of being wound, the lifting mechanism 4 is lifted up and the pressure roller 6 is driven to rise. When the pressure roller 6 is lifted up to a suitable height, the fishing net line can be laid to the lower end of the pressure roller 6, which is convenient for laying the fishing net line to the lower end of the pressure roller 6 during the coating operation, thereby improving work efficiency. After the coating is completed, the lifting mechanism 4 is lowered, and the fishing net line can be pressed below the liquid level of the treatment liquid, thereby facilitating the coating process of the fishing net line. The fishing net line coated with the treatment liquid enters the interior of the air-drying mechanism 7, and the air-drying mechanism 7 can be used to dry the fishing net line, thereby facilitating better coating of the treatment liquid on the fishing net line.

[0038] The stirring mechanism 2 includes a first motor 201, a stirring shaft 202 and a stirring blade 203. The stirring shaft 202 is rotatably connected to the inside of the box 1, and the stirring blade 203 is fixedly connected to the circumferential surface of the stirring shaft 202. The first motor 201 is fixedly connected to the left side of the box 1, and the output end of the first motor 201 is fixedly connected to the stirring shaft 202. When the first motor 201 is working, the stirring blade 203 is driven to rotate with the cooperation of the stirring shaft 202. As the stirring blade 203 rotates, the treated liquid can be stirred to prevent the treated liquid from sedimentation.

[0039] The lifting mechanism 4 includes a fixed plate 401, a second motor 402, a screw rod 403, a movable seat 404 and a connecting rod 405. The rear end of the box body 1 is fixedly connected to the fixed plate 401. There are two fixed plates 401. The two fixed plates 401 are respectively distributed at the upper and lower ends of the rear side of the box body 1. The internal rotation of the fixed plate 401 is connected to the screw rod 403. The circumferential surface of the screw rod 403 is threadedly connected to the movable seat 404. The upper end of the movable seat 404 is fixedly connected to the connecting rod 405. The connecting rod 405 passes through the fixed plate 401 at the upper end and is slidably connected to the fixed plate 401 at the upper end. The connecting rod 405 is U-shaped; the upper end of the fixed plate 401 at the upper end is fixedly connected to the second motor 402. The output end of the second motor 402 is fixedly connected to the screw rod 403. When the second motor 402 is working, the movable seat 404 is driven to move with the cooperation of the screw rod 403, thereby driving the connecting rod 405 to move.

[0040] The transmission mechanism 5 includes a housing 501, a rotating shaft 502, a first gear 503, a first rack 504, a limiting groove 505, a connecting plate 506, a second gear 507 and a second rack 508. The lower end of the connecting rod 405 is fixedly connected to the housing 501, and the interior of the housing 501 is rotatably connected to the rotating shaft 502. The circumferential surface of the rotating shaft 502 is fixedly connected to the first gear 503 and the second gear 507. The second gear 507 is located on the rear side of the housing 501; the interior of the housing 501 is fixedly connected to the limiting groove 505, and the interior of the limiting groove 505 is slidably connected to the first rack 504. There are two limiting grooves 505 and two first racks 504, and they are distributed on the upper and lower sides of the first gear 503. The first rack 504 is meshed with the first gear 503. The front end of the first rack 504 is fixedly connected to the connecting plate 506. Between the connecting plate 506 and the pressure roller 6 Rotational connection; the rear wall of the box body 1 is fixedly connected to a second rack 508, and the second rack 508 meshes with the second gear 507. When the connecting rod 405 rises, it drives the shell 501 to move upward, thereby driving the rotating shaft 502 to rotate under the cooperation of the second gear 507 and the second rack 508. As the rotating shaft 502 rotates, the first rack 504 is driven to slide toward each other inside the limiting groove 505 under the cooperation of the first gear 503, thereby driving the two connecting plates 506 to move toward each other, thereby shortening the distance between the two pressure rollers 6, making it convenient to pass the fishing net line from the lower ends of the two pressure rollers 6 when laying the fishing net line; when the connecting rod 405 descends, the two connecting plates 506 move away from each other, thereby lengthening the distance between the two pressure rollers 6, thereby extending the contact time between the fishing net line and the treatment liquid, thereby improving the coating effect of the fishing net line.

[0041] A square hole 17 is provided on the front end surface of the shell 501 , and the upper end of the connecting plate 506 is located inside the square hole 17 and is slidably connected to the square hole 17 . By providing the square hole 17 , the connecting plate 506 is facilitated to move under the action of the square hole 17 .

[0042] The rear wall of the box body 1 is fixedly connected with a slide rail 16, and a slider 15 is slidably connected to the slide rail 16. The slider 15 is fixedly connected to the shell 501. By setting the slide rail 16 and the slider 15, when working, the cooperation of the slide rail 16 and the slider 15 facilitates the stable vertical movement of the box body 1.

[0043] A first support plate 9 is fixedly connected to the left side of the upper end of the box body 1. Two first support plates 9 are provided. The inside of the first support plate 9 is rotatably connected to the first guide roller 10; a second support plate 11 is fixedly connected to the right side of the upper end of the box body 1. Two second support plates 11 are provided. The inside of the second support plate 11 is rotatably connected to the second guide roller 12. By arranging the first guide roller 10 and the second guide roller 12, the fishing net line can be guided during operation, which is beneficial to the transportation of the fishing net line.

[0044] A guide groove 8 is fixedly connected between the two first support plates 9, and the right end of the guide groove 8 is lower than the left end of the guide groove 8. By setting the guide groove 8, during operation, the dripping treatment liquid can be collected under the action of the guide groove 8, and the collected treatment liquid can be diverted to the box body 1 for recycling, thereby reducing the waste of treatment liquid.

[0045] The air-drying mechanism 7 includes a fan 701, an air outlet pipe 702, a diverter pipe 703, a fixing frame 704, an annular pipe 705 and an air outlet nozzle 706. The fan 701 and the fixing frame 704 are fixedly connected to the left side of the box body 1, and the air outlet end of the fan 701 is fixedly connected to the air outlet pipe 702; the inside of the fixing frame 704 is fixedly connected to the diverter pipe 703, the lower end of the diverter pipe 703 is fixedly connected to the air outlet pipe 702, the upper end of the diverter pipe 703 is fixedly connected to the annular pipe 705, the annular pipe 705 and the fixing frame 704 are fixedly connected, and the inside of the annular pipe 705 is fixedly connected to the air outlet nozzle 706. When the fan 701 is working, the air enters the inside of the diverter pipe 703 through the air outlet pipe 702, and then is sprayed out from the air outlet nozzle 706 along the annular pipe 705, so that the fishing net line soaked in the treatment liquid can be air-dried, which is conducive to subsequent winding.

[0046] A discharge pipe 13 is fixedly connected to the lower right end of the box body 1, and a valve 14 is installed on the discharge pipe 13. When working, the valve 14 is opened and the treatment liquid inside the box body 1 will be discharged along the discharge pipe 13, so that the treatment liquid inside the box body 1 can be replaced.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A surface coating device for a fishing net line used in the production of corrosion-resistant fishing nets, comprising a housing (1), characterized in that: The lower end of the box body (1) is provided with a stirring mechanism (2), the interior of the box body (1) is fixedly connected with a partition net (3), the partition net (3) is located at the upper end of the stirring mechanism (2), the left side of the box body (1) is provided with an air-drying mechanism (7), the rear end of the box body (1) is provided with a lifting mechanism (4), the lower end of the lifting mechanism (4) is provided with a transmission mechanism (5), the interior of the box body (1) is provided with a pressing roller (6), and the lifting mechanism (4) is connected to the pressing roller (6) through the transmission mechanism (5).

2. The surface coating device for a fishing net line used in the production of corrosion-resistant fishing nets according to claim 1, characterized in that: The stirring mechanism (2) comprises a first motor (201), a stirring shaft (202) and a stirring blade (203); the stirring shaft (202) is rotatably connected to the interior of the housing (1); the stirring blade (203) is fixedly connected to the circumferential surface of the stirring shaft (202); the first motor (201) is fixedly connected to the left side of the housing (1); and the output end of the first motor (201) is fixedly connected to the stirring shaft (202).

3. The surface coating device for a fishing net line used in the production of corrosion-resistant fishing nets according to claim 1, characterized in that: The lifting mechanism (4) comprises a fixed plate (401), a second motor (402), a screw rod (403), a movable seat (404) and a connecting rod (405). The rear end of the box body (1) is fixedly connected with the fixed plate (401). Two fixed plates (401) are provided. The two fixed plates (401) are respectively distributed at the upper and lower ends of the rear side of the box body (1). The interior of the fixed plate (401) is rotatably connected with the screw rod (403). The screw rod (403) The circumferential surface of the movable seat (404) is threadedly connected to the movable seat (404), the upper end of the movable seat (404) is fixedly connected to a connecting rod (405), the connecting rod (405) passes through the fixed plate (401) at the upper end, and is slidably connected to the fixed plate (401) at the upper end, and the connecting rod (405) is U-shaped; the upper end of the fixed plate (401) at the upper end is fixedly connected to a second motor (402), and the output end of the second motor (402) is fixedly connected to the screw rod (403).

4. The surface coating device for a fishing net line used in the production of corrosion-resistant fishing nets according to claim 3, characterized in that: The transmission mechanism (5) comprises a housing (501), a rotating shaft (502), a first gear (503), a first rack (504), a limiting groove (505), a connecting plate (506), a second gear (507) and a second rack (508); the lower end of the connecting rod (405) is fixedly connected to the housing (501); the interior of the housing (501) is rotatably connected to the rotating shaft (502); the circumferential surface of the rotating shaft (502) is fixedly connected to the first gear (503) and the second gear (507); the second gear (507) is located at the rear side of the housing (501); the interior of the housing (501) is fixedly connected to the rotating shaft (502); A limiting groove (505) is connected, and a first rack (504) is slidably connected inside the limiting groove (505). Two limiting grooves (505) and two first racks (504) are provided, and are distributed on the upper and lower sides of the first gear (503). The first rack (504) is meshed with the first gear (503). The front end of the first rack (504) is fixedly connected with a connecting plate (506), and the connecting plate (506) is rotatably connected to the pressure roller (6); the rear wall of the box body (1) is fixedly connected with a second rack (508), and the second rack (508) is meshed with the second gear (507).

5. The surface coating device for a fishing net line used in the production of corrosion-resistant fishing nets according to claim 4, characterized in that: A square hole (17) is provided on the front end surface of the housing (501), and the upper end of the connecting plate (506) is located inside the square hole (17) and is slidably connected to the square hole (17).

6. The surface coating device for a fishing net line used in the production of corrosion-resistant fishing nets according to claim 4, characterized in that: The rear wall of the box body (1) is fixedly connected to a slide rail (16), a slider (15) is slidably connected to the slide rail (16), and the slider (15) is fixedly connected to the housing (501).

7. The surface coating device for a fishing net line used in the production of corrosion-resistant fishing nets according to claim 1, characterized in that: A first support plate (9) is fixedly connected to the left side of the upper end of the box body (1), two first support plates (9) are provided, and the interior of the first support plate (9) is rotatably connected to a first guide roller (10); a second support plate (11) is fixedly connected to the right side of the upper end of the box body (1), two second support plates (11) are provided, and the interior of the second support plate (11) is rotatably connected to a second guide roller (12).

8. The surface coating device for a fishing net line used in the production of corrosion-resistant fishing nets according to claim 7, characterized in that: A guide groove (8) is fixedly connected between the two first support plates (9), and the right end of the guide groove (8) is lower than the left end of the guide groove (8).

9. The surface coating device for a fishing net line used in the production of corrosion-resistant fishing nets according to claim 1, characterized in that: The air-drying mechanism (7) comprises a fan (701), an air outlet pipe (702), a diverter pipe (703), a fixing frame (704), an annular pipe (705) and an air outlet nozzle (706); the left side of the box body (1) is fixedly connected with the fan (701) and the fixing frame (704); the air outlet end of the fan (701) is fixedly connected with the air outlet pipe (702); the interior of the fixing frame (704) is fixedly connected with the diverter pipe (703); the lower end of the diverter pipe (703) is fixedly connected to the air outlet pipe (702); the upper end of the diverter pipe (703) is fixedly connected with the annular pipe (705); the annular pipe (705) is fixedly connected to the fixing frame (704); and the interior of the annular pipe (705) is fixedly connected with the air outlet nozzle (706).

10. The surface coating device for a fishing net line used in the production of corrosion-resistant fishing nets according to claim 1, characterized in that: A discharge pipe (13) is fixedly connected to the lower right end of the box body (1), and a valve (14) is installed on the discharge pipe (13).

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