Special PTFE coating spraying structure for bearing surface

Abstract

The utility model relates to the technical field of bearing spraying, and particularly discloses a special PTFE (Polytetrafluoroethylene) coating spraying structure for a bearing surface, which comprises a base, a paint spraying room fixedly connected to the upper surface of the base, a water tank fixedly connected to the upper surface of the paint spraying room, a water inlet fixedly connected to the upper surface of the water tank, a circulating pipe fixedly connected to one side wall of the water tank, and a water outlet fixedly connected to one side wall of the base. A rotating shaft is rotationally connected into a second groove in a fixing plate, one end of the rotating shaft is connected with a second driving motor, a containing plate is driven to ascend and descend vertically, the bearing is conveniently fed into an ultrasonic water tank to be cleaned, meanwhile, an air pump is connected with an air rod and a pushing plate, the cleaned bearing can be automatically pushed to a discharging plate, automatic transfer is achieved, and the working efficiency is improved. The water tank is matched with the circulating pipe and the water outlet, so that cyclic utilization of water resources is achieved, and waste of the water resources is reduced; due to the closed design of the paint spraying room, volatilization of paint in the spraying process can be reduced, pollution to the environment is reduced, the utilization rate of the paint is increased, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing spraying technical field, concretely is a special PTFE coating spraying structure of bearing surface. BACKGROUND

[0002] With the continuous improvement of industrial automation degree, mechanical equipment is developing towards high speed, high precision, high load and long life. As the core element of realizing the relative motion of mechanical parts, bearings need to bear complex working conditions, such as friction heat generated during high-speed rotation, pressure under high load and corrosion of different environmental media. In traditional application, the bearing surface of ordinary metal material is prone to wear and corrosion after long-term operation, resulting in frequent equipment failure and increased maintenance cost.

[0003] The crankshaft bearing needs to work under the condition of high temperature, high pressure and high speed rotation, and the ordinary bearing surface is difficult to meet such harsh requirements, and the wear problem seriously affects the performance and reliability of the engine. In chemical production equipment, bearings are subjected to corrosion of various corrosive chemical media, and the service life of bearings of ordinary materials is greatly shortened. Frequent replacement not only affects production efficiency, but also may cause safety hazards. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a special PTFE coating spraying structure for bearing surface, which solves the problem that ordinary bearing surface is subjected to corrosion of various corrosive chemical media.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a special PTFE coating spraying structure for bearing surface, comprising a base, the upper surface of the base is fixedly connected with a paint spraying room, the upper surface of the paint spraying room is fixedly connected with a water tank, the upper surface of the water tank is fixedly connected with a water inlet, one side wall of the water tank is fixedly connected with a circulating pipe, one side wall of the base is fixedly connected with a drain, the upper surface of the paint spraying room is fixedly connected with a gas tank, one side wall of the gas tank is provided with a coating tank, the upper surface of the coating tank is fixedly connected with a feed inlet, and the upper surface of the gas tank is fixedly connected with an air inlet.

[0006] Preferably, the water tank, the gas tank and the coating tank are fixedly connected with a conveying pipe on one side wall, the conveying pipe is fixedly connected with a pump on one side wall, the inside of the paint spraying room is fixedly connected with a spraying room, one side of the spraying room is provided with an air drying room, one side wall of the air drying room is fixedly connected with a cleaning room, and one side wall of the paint spraying room is fixedly connected with a first driving motor.

[0007] Preferably, the left and right sides of the interior wall of the spraying room are provided with first grooves, rotating shafts are rotatably connected in the first grooves, sliding plates are slidably connected to the outer walls of the rotating shafts, a pair of mixing cavities are fixedly connected to the upper surfaces of the sliding plates and are connected with the conveying pipes of the air tank and the coating tank, a spray gun is fixedly connected to the lower surface of the sliding plate, conveying belts are rotatably connected in the interiors of the spraying room and the air drying room, and air drying boxes are fixedly connected to the left and right sides of the interior of the air drying room.

[0008] Preferably, the interior of the cleaning room is fixedly connected with a shower plate, the upper surface of the shower plate is fixedly connected with a water delivery pipe, the water delivery pipe is connected with the conveying pipe of the water tank, the interior of the cleaning room is fixedly connected with a fixed plate, and a pair of second grooves are formed in the interior of the fixed plate.

[0009] Preferably, a rotating shaft is rotatably connected in the second groove, a second driving motor is rotatably connected to one end of the rotating shaft, a sliding block is slidably connected to the outer wall of the rotating shaft, a placement plate is fixedly connected to one side wall of the sliding block, a water dripping hole is formed in the interior of the placement plate, and a connecting plate is fixedly connected to one side wall of the fixed plate.

[0010] Preferably, a pair of air pumps are fixedly connected to one side wall of the connecting plate, an air rod is movably connected to one side wall of the air pump, a material pushing plate is fixedly connected to the output end of one side wall of the air rod, a connecting rod is fixedly connected in the interior of the cleaning room, an upper material feeding plate is fixedly connected to the upper surface of the connecting rod, an ultrasonic water tank is arranged on one side of the upper material feeding plate and is connected with the interior of the cleaning room, and a lower material feeding plate is fixedly connected to the upper surface of the cleaning room.

[0011] Beneficial effects

[0012] The special PTFE coating spraying structure for bearing surface has the following beneficial effects compared with the prior art.

[0013] (1) By integrating the cleaning room, spraying room and air-drying room in the paint spraying room, the bearing can complete the cleaning, spraying and air-drying processes in a closed space in turn, reducing the transfer link and greatly improving the production efficiency. For example, after the bearing is cleaned in the cleaning room, it can directly enter the spraying room through the conveying track, avoiding the time loss and possible secondary pollution of manual transportation. The mixing chamber is connected with the conveying pipes of the gas tank and the coating tank, and the gas and the coating can be accurately mixed before the spraying gun works. Combined with the sliding design of the sliding plate on the rotating shaft, the spraying gun can flexibly adjust the position to uniformly spray the bearing surface in all directions, effectively improving the uneven coating thickness problem in traditional spraying technology, improving the coating quality, and the shower plate in the cleaning room is connected with the conveying pipe of the water tank to provide continuous and stable water flow for washing the bearing. Combined with the ultrasonic water tank, the cavitation effect of ultrasonic waves can effectively remove oil stains, impurities and other impurities on the surface of the bearing, providing a clean surface for the subsequent spraying process and enhancing the adhesion of the coating.

[0014] (2) The rotating shaft is connected in the second groove on the fixed plate, one end of the rotating shaft is connected with the second driving motor, the placing plate can be lifted up and down, the bearing can be conveniently sent into the ultrasonic water tank for cleaning, the air pump is connected with the air rod and the pushing plate, the bearing after cleaning can be automatically pushed to the discharging plate, realizing automatic transfer, reducing the labor intensity, the water tank is connected with the circulating pipe and the drain, realizing the recycling of water resources and reducing the waste of water resources; The closed design of the paint spraying room can reduce the volatilization of the coating during spraying, reduce the pollution to the environment, improve the utilization rate of the coating and reduce the production cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a schematic diagram of a special PTFE coating spraying structure of a bearing surface of an embodiment of the present application.

[0016] Fig. 2 It is a schematic diagram of the internal overall structure of an embodiment of the present application.

[0017] Fig. 3 It is a schematic diagram of the overall structure of the cleaning room of an embodiment of the present application.

[0018] In the figure: 1, base; 2, paint spraying room; 3, water tank; 4, water inlet; 5, circulating pipe; 6, drain; 7, gas tank; 8, paint tank; 9, feed inlet; 10, air inlet; 11, conveying pipe; 12, pump; 13, spraying room; 14, air drying room; 15, cleaning room; 16, first groove; 17, first drive motor; 18, rotating shaft; 19, sliding plate; 20, mixing cavity; 21, spray gun; 22, conveying belt; 23, air drying tank; 24, shower plate; 25, water pipe; 26, fixed plate; 27, second groove; 28, rotating shaft; 29, second drive motor; 30, sliding block; 31, placing plate; 32, water droplet hole; 33, connecting plate; 34, air pump; 35, air rod; 36, pushing plate; 37, connecting rod; 38, feeding plate; 39, ultrasonic water tank; 40, discharging plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Embodiment 1

[0021] Please refer to Figs. 1-3 As shown in the figure, the embodiment provides a special PTFE coating spraying structure for bearing surface, which comprises a base 1, the upper surface of the base 1 is fixedly connected with a paint spraying room 2, the upper surface of the paint spraying room 2 is fixedly connected with a water tank 3, the upper surface of the water tank 3 is fixedly connected with a water inlet 4, one side wall of the water tank 3 is fixedly connected with a circulating pipe 5, one side wall of the base 1 is fixedly connected with a drain 6, the upper surface of the paint spraying room 2 is fixedly connected with a gas tank 7, one side wall of the gas tank 7 is provided with a paint tank 8, the upper surface of the paint tank 8 is fixedly connected with a feed inlet 9, the upper surface of the gas tank 7 is fixedly connected with an air inlet 10, the water tank 3 is arranged on the upper surface of the paint spraying room 2 and connected with the water inlet 4, so that clean water can be conveniently injected into the system, the circulating pipe 5 is connected with the water tank 3, so that water can be recycled in the whole device, which not only can effectively reduce the waste of water resources, but also can ensure the stable supply of water source in the cleaning process, reduce the operation cost, the drain 6 is arranged on the side wall of the base 1, so that the sewage can be conveniently discharged, the water quality in the system is maintained, and the normal operation of the cleaning link is ensured, the gas tank 7 and the paint tank 8 are respectively arranged on the upper surface and the side wall of the paint spraying room 2, the gas tank 7 can be connected with compressed air through the air inlet 10, so as to provide power for the atomization and conveying of the paint, the paint tank 8 can conveniently supplement PTFE paint through the feed inlet 9, and the two cooperate to provide stable gas source and paint source for the subsequent spraying operation in the paint spraying room 2, so as to ensure the continuity and efficiency of the spraying work.

[0022] Preferably, the water tank 3, the gas tank 7 and the paint tank 8 are respectively fixed with a conveying pipe 11 on one side wall, the conveying pipe 11 is fixed with a suction pump 12 on one side wall, the inside of the paint booth 2 is fixed with a spraying room 13, one side of the spraying room 13 is provided with a air-drying room 14, one side wall of the air-drying room 14 is fixed with a cleaning room 15, one side wall of the paint booth 2 is fixed with a first driving motor 17, and the water tank 3, the gas tank 7 and the paint tank 8 are connected with the suction pump 12 through the conveying pipe 11, which can realize efficient extraction and transportation of water, gas and paint, the suction pump 12 provides power to ensure that water can be stably transported to the cleaning room 15 for cleaning the bearing, the gas is transported to the spraying room 13 to assist the paint atomization, and the paint is accurately delivered to the spraying area, which ensures stable material supply in each process and avoids work stagnation caused by insufficient material or poor transportation. The inside of the paint booth 2 is sequentially provided with the cleaning room 15, the spraying room 13 and the air-drying room 14 to form a continuous production line, which greatly improves the production efficiency, reduces the workpiece turnover time, and reduces the risk of secondary pollution of products during transportation between different processes. Meanwhile, the first driving motor 17 is installed on one side wall of the paint booth 2 to enable the sliding plate 19 of the spraying room 13 to operate.

[0023] Preferably, the inside wall of the spraying room 13 is provided with a first groove 16 on the left and right sides, a rotating shaft 18 is rotatably connected in the first groove 16, a sliding plate 19 is slidably connected to the outer wall of the rotating shaft 18, a pair of mixing cavities 20 are fixed to the upper surface of the sliding plate 19, the mixing cavities 20 are connected with the conveying pipes 11 of the gas tank 7 and the paint tank 8, a spray gun 21 is fixed to the lower surface of the sliding plate 19, a conveying belt 22 is rotatably connected in the spraying room 13 and the air-drying room 14, and air-drying boxes 23 are fixed to the left and right sides of the air-drying room 14. The rotating shaft 18 rotatably connected in the first groove 16 enables the sliding plate 19 to slide along the rotating shaft 18, and further enables the spray gun 21 fixed to the lower surface of the sliding plate 19 to adjust the position flexibly. The spray gun 21 is connected with the conveying pipes 11 of the gas tank 7 and the paint tank 8 through the mixing cavities 20, and can accurately and uniformly spray the mixed gas and paint on the bearing surface according to the spraying requirements of different parts of the bearing during the sliding process, effectively solving the problem of uneven coating thickness caused by fixed position of the spray gun 21 in traditional spraying, greatly improving the coating quality and uniformity. The conveying belt 22 rotatably connected in the spraying room 13 and the air-drying room 14 can continuously convey the bearing through the air-drying and spraying processes.

[0024] Preferably, the inner part of the cleaning room 15 is fixedly connected with a shower plate 24, the upper surface of the shower plate 24 is fixedly connected with a water conveying pipe 25, and the water conveying pipe 25 is connected with the conveying pipe 11 of the water tank 3, the inner part of the cleaning room 15 is fixedly connected with a fixed plate 26, the inner part of the fixed plate 26 is provided with a pair of second grooves 27, and the shower plate 24 is connected with the conveying pipe 11 of the water tank 3 through the water conveying pipe 25, so that the water flow provided by the water tank 3 can be continuously obtained, the shower plate 24 can uniformly disperse the water flow, form a shower-like effect, and comprehensively wash the bearing surface. The large-area and uniform water flow impact can effectively remove dust, oil stains and other impurities attached to the bearing surface, provide a clean surface for subsequent PTFE coating spraying, ensure that the coating and the bearing base have good adhesion, thereby improving the coating quality and service life.

[0025] Preferably, the inner part of the second groove 27 is rotatably connected with a rotating shaft 28, one end of the rotating shaft 28 is rotatably connected with a second driving motor 29, the outer wall of the rotating shaft 28 is slidably connected with a sliding block 30, one side wall of the sliding block 30 is fixedly connected with a placing plate 31, the inner part of the placing plate 31 is provided with a water droplet hole 32, one side wall of the fixed plate 26 is fixedly connected with a connecting plate 33, and the second driving motor 29 is connected with the rotating shaft 28, so as to drive the rotating shaft 28 to rotate in the second groove 27, and further drive the placing plate 31 fixedly connected with the sliding block 30 to stretch and retract up and down. In the cleaning process, each surface of the bearing can be fully exposed to the water flow of the shower plate 24, so as to ensure that there is no dead angle in cleaning, improve the comprehensiveness and thoroughness of cleaning, and place the bearing in the ultrasonic water tank 39.

[0026] Preferably, one side wall of the connecting plate 33 is fixedly connected with a pair of air pumps 34, one side wall of the air pump 34 is movably connected with an air rod 35, the output end of one side wall of the air rod 35 is fixedly connected with a pushing plate 36, the inner part of the cleaning room 15 is fixedly connected with a connecting rod 37, the upper surface of the connecting rod 37 is fixedly connected with a feeding plate 38, one side of the feeding plate 38 is provided with an ultrasonic water tank 39, and the ultrasonic water tank 39 is connected with the inner part of the cleaning room 15, and one side wall of the connecting plate 33 is fixedly connected with a connecting plate 33. The upper surface of the cleaning room 15 is fixedly connected with a discharging plate 40, and the pair of air pumps 34 are connected with the pushing plate 36 through the air rod 35. When the air pump 34 works, the air rod 35 can be pushed out or retracted, and further drive the pushing plate 36 to move. In the cleaning room 15, this structure can automatically push the cleaned bearing from the placing plate 31 to the discharging plate 40, realize the automatic transfer of the material, reduce manual handling, improve production efficiency, and reduce the risk caused by manual operation. The ultrasonic water tank 39 utilizes the cavitation effect of ultrasonic waves to more deeply remove stubborn stains, oil stains and other impurities on the bearing surface, and is combined with the water flow washing of the shower plate 24, so as to greatly improve the cleaning effect, ensure the cleanliness of the bearing surface, provide a good basis for subsequent PTFE coating spraying, and enhance the adhesion of the coating.

[0027] In use, water is added to the inlet 4 of the water tank 3, paint is added to the inlet 9 of the paint tank 8, and air is supplied through the inlet 10 of the air tank 7 to store materials for subsequent work. The bearing is fed in from the loading plate 38 and placed onto the placement plate 31. The second drive motor 29 drives the rotating shaft 28 to rotate, adjusting the angle of the placement plate 31 so that the bearing is immersed in the ultrasonic water tank 39, thus thoroughly cleaning the bearing. Meanwhile, the water in the water tank 3, under the action of the pump 12, reaches the shower plate 24 through the transport pipe 11 and the water delivery pipe 25 to perform a preliminary rinse on the bearing. The rinsed water is then drained... The water drips from the drip hole 32 of the plate 31 into the ultrasonic water tank 39, while the air pump 34 pushes the air rod 35 and the pusher plate 36 to push the bearing into the unloading plate 40 and leave the cleaning room 15. The cleaned bearing enters the drying room 14 through the conveyor belt 22. The drying boxes 23 on both sides of the drying room 14 blow dry the water stains on the bearing surface. The dried bearing is sent into the spraying room 13 by the conveyor belt 22. The first drive motor 17 drives the rotating shaft 18 to rotate. The sliding plate 19 can slide on the rotating shaft 18 to adjust the position of the spray gun 21 and spray the mixed coating evenly onto the bearing surface.

[0028] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A specialized PTFE coating spray structure for a bearing surface, characterized by: The utility model provides a paint spraying room, it includes the base (1), the upper surface of base (1) is fixed with paint spraying room (2), the upper surface of paint spraying room (2) is fixed with water tank (3), the upper surface of water tank (3) is fixed with water inlet (4), one side wall of water tank (3) is fixed with circulating pipe (5), one side wall of base (1) is fixed with drain (6), the upper surface of paint spraying room (2) is fixed with gas tank (7), one side wall of gas tank (7) is provided with paint tank (8), the upper surface of paint tank (8) is fixed with feed inlet (9), the upper surface of gas tank (7) is fixed with air inlet (10).

2. A PTFE coating spray structure for a bearing surface according to claim 1, wherein: The one side wall of water tank (3), gas tank (7) and paint tank (8) is respectively fixed with transport pipe (11), one side wall of transport pipe (11) is fixed with pump (12), the inside of paint spraying room (2) is fixed with spraying room (13), one side of spraying room (13) is provided with air drying room (14), one side wall of air drying room (14) is fixed with cleaning room (15), one side wall of paint spraying room (2) is fixed with first drive motor (17).

3. A PTFE coating spray structure for a bearing surface according to claim 2, wherein: The left and right sides of the inner wall of spraying room (13) are provided with first recess (16), the inside of first recess (16) is rotatably connected with rotating shaft (18), the outer wall of rotating shaft (18) is slidably connected with sliding plate (19), the upper surface of sliding plate (19) is fixed with a pair of mixing cavities (20), and the mixing cavities (20) are connected with the transport pipes (11) of the gas tank (7) and the paint tank (8), respectively, the lower surface of sliding plate (19) is fixed with spray gun (21), the inside of spraying room (13) and air drying room (14) is rotatably connected with conveying track (22), the left and right sides of the inside of air drying room (14) are fixed with air drying tank (23).

4. A PTFE coating spray structure for a bearing surface according to claim 2, wherein: The inside of cleaning room (15) is fixed with shower plate (24), the upper surface of shower plate (24) is fixed with water delivery pipe (25), and the water delivery pipe (25) is connected with the transport pipe (11) of water tank (3), the inside of cleaning room (15) is fixed with fixed plate (26), a pair of second recesses (27) are formed in the inside of fixed plate (26).

5. A PTFE coating spray structure for a bearing surface according to claim 4, wherein: The inside of second recess (27) is rotatably connected with rotating shaft (28), one end of rotating shaft (28) is rotatably connected with second drive motor (29), the outer wall of rotating shaft (28) is slidably connected with sliding block (30), one side wall of sliding block (30) is fixed with placing plate (31), a plurality of water dripping holes (32) are formed in the inside of placing plate (31), one side wall of fixed plate (26) is fixed with connecting plate (33).

6. A PTFE coating spray structure for a bearing surface according to claim 5, wherein: One side wall of the connecting plate (33) is fixedly connected with a pair of air pumps (34), one side wall of the air pump (34) is movably connected with an air rod (35), the output end of one side wall of the air rod (35) is fixedly connected with a pushing plate (36), the inside of the cleaning room (15) is fixedly connected with a connecting rod (37), the upper surface of the connecting rod (37) is fixedly connected with an upper feeding plate (38), one side of the upper feeding plate (38) is provided with an ultrasonic water tank (39), and the ultrasonic water tank (39) and the inside of the cleaning room (15) are connected with each other, and the upper surface of the cleaning room (15) is fixedly connected with a lower feeding plate (40).

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