Silk-screen plate cleaning equipment for hydrogen fuel cell polar plate
By designing a circular brush and air handling system driven by an electric hoist, the problems of uneven cleaning and environmental pollution of hydrogen fuel cell plate screen printing screens were solved, achieving an efficient and environmentally friendly cleaning effect.
Patent Information
- Application Number
- CN202422723579.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-08
AI Technical Summary
The existing method of cleaning hydrogen fuel cell plate screen printing screens mainly relies on manual brushing, which leads to uneven cleaning and easily causes environmental pollution, and the volatilization of cleaning agents is harmful to health.
A hydrogen fuel cell plate screen printing screen cleaning equipment was designed. It uses an electric hoist and a waterproof motor to drive a circular brush for uniform cleaning. The top box is combined with air handling equipment to prevent the volatilization of the cleaning agent and reduce environmental pollution.
It achieves uniform cleaning of the silk screen printing stencil and reduces environmental pollution, improves cleaning efficiency, and reduces the harm of cleaning agent volatilization to the environment.
Smart Images

Figure CN223443129U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the related technical field of fuel cell production, especially relate to a silk screen printing plate cleaning equipment of hydrogen fuel cell polar plate. BACKGROUND
[0002] The battery polar plate silk screen printing plate is a key component in the battery manufacturing process, especially plays an important role in the production of hydrogen fuel cells and photovoltaic cells, in the hydrogen fuel cell manufacturing, the silk screen printing process is used to coat active material, conductive agent and binder on the current collector, to form the polar plate, in addition, the silk screen printing is also used to coat ceramic coating or polymer coating on the diaphragm material, to improve the thermal stability and mechanical strength of the diaphragm, but it still has the following disadvantages in actual use:
[0003] In the hydrogen fuel cell industry, the screen plate cleaning method is manual cleaning, because the main components of the silk printing glue are epoxy resin and curing agent, the glue itself has high viscosity and is difficult to dissolve in water, so it is difficult to clean, in addition, during the manual brushing, the tension of the silk screen printing plate is damaged due to the difficulty in controlling the force, the manual glue cleaning is currently carried out by repeatedly brushing with cleaning agent and brush, this method consumes a lot of working hours, and has low efficiency and the phenomenon of not being cleaned;
[0004] During manual operation, the cleaning agent needs to be poured repeatedly for brushing, which causes a large amount of cleaning agent loss and adverse effects on the surrounding environment, in addition, the cleaning agent mainly contains acetone component, which has a foul smell and is toxic, after inhaling the smell, the pharynx and the body will have discomfort. UTILITY MODEL CONTENTS
[0005] The utility model discloses a silk screen printing plate cleaning equipment of hydrogen fuel cell polar plate, through setting up bottom box, support plate, cleaning assembly, conveying pipe and top box, solve the problem that the hydrogen fuel cell polar plate silk screen printing plate cleaning process is not uniform enough by hand brushing, and environmental pollution is easy to produce in cleaning.
[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:
[0007] The utility model discloses a kind of silk-screen printing plate cleaning equipment of hydrogen fuel cell polar plate, including bottom box, support plate, cleaning assembly, conveying pipe and top box, the top of the bottom box is fixed with support plate, the top central portion of the support plate is fixed with fixed frame, the top of the support plate is fixed with cleaning assembly, the cleaning assembly includes support frame, moving track one, electric hoist one, moving track two and electric hoist two, support frame is fixed on the support plate on the both sides of fixed frame, the top central portion of the support frame is fixed with moving track one along length direction, electric hoist one is movably connected on the outside of moving track one, moving track two is fixed on the side of electric hoist one close to each other, electric hoist two is movably connected on the outside of moving track two, top edge of the support plate is fixed with top box, conveying pipe is fixed through on the upper middle of the rear side of fixed frame, conveying pipe is fixed through in the rear of top box, fixed pipe is fixedly connected on the rear end of conveying pipe, electric control valve is fixedly connected on the fixed pipe on the both sides of conveying pipe, exhaust pipe is fixedly connected on the top central portion of top box, when working, support plate is fixedly supported on it by bottom box, cleaning assembly and top box are supported on it by support plate, fixed frame is fixed on its top by support plate, the position of cleaning is provided by fixed frame, when working, after washing agent is transported to silk-screen printing plate, silk-screen printing plate is brushed by cleaning assembly, washing agent and washing water are transported into conveying shell by conveying pipe, support plate top and cleaning assembly are well closed by top box, prevent acetone from volatilizing during work.
[0008] Further, the bottom box is fixed with a limiting frame in the bottom, a water receiving box is movably connected in the limiting frame, the water receiving box is communicated with the fixed frame, when the bottom box works, the position of the water receiving box is limited by the limiting frame, and the waste liquid in the cleaning process is collected by the water receiving box.
[0009] Further, the inner wall of the fixed frame is fixed with a limiting frame on the upper portion, the rear portion of the limiting frame is inclined upward, and the limiting frame is arranged below the conveying pipe, when the fixed frame works, the silk-screen printing plate is supported thereon by the limiting frame.
[0010] Further, the cleaning assembly further comprises a fixed plate, an electric push rod, a waterproof motor and a circular brush, the top front edge of the electric hoist two is fixed with a fixed plate, the front side of the fixed plate is fixed with an electric push rod, the telescopic end of the electric push rod is fixed with a waterproof motor, the output end of the waterproof motor is fixed with a circular brush, when the cleaning assembly works, the waterproof motor is driven to lift by the electric push rod driven by the fixed plate, so that the circular brush contacts the silk-screen printing plate to be cleaned, and the circular brush is driven to rotate when the waterproof motor works.
[0011] Further, the front end of the conveying pipe is fixedly communicated with a conveying shell, a nozzle is fixedly communicated with the bottom of the conveying shell along a center line parallel to the long side, the conveying shell is arranged in the fixed frame, and the cleaning agent or the cleaning water conveyed in the conveying pipe is conveyed into the conveying shell and then conveyed onto the screen printing plate through the nozzle.
[0012] Further, air inlet holes are formed in both sides of the top box, and switch doors are symmetrically hinged to the front sides of the bottom box and the top box, the top box conveys air into the top box through the air inlet holes, and the bottom box and the top box provide opening and closing functions of the interiors through the switch doors.
[0013] The utility model has the following beneficial effects:
[0014] The utility model discloses a hydrogen fuel cell plate cleaning device, which comprises a bottom box, a support plate, a cleaning assembly and a conveying pipe, and the bottom box is provided with a fixed frame, and the support plate is arranged in the fixed frame.
[0015] The utility model discloses a hydrogen fuel cell plate cleaning device, which comprises a bottom box, a support plate, a cleaning assembly and a conveying pipe, and the bottom box is provided with a fixed frame, and the support plate is arranged in the fixed frame. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.
[0017] Figure 1 It is a partial section structure perspective view of a silk screen plate cleaning equipment for a hydrogen fuel cell polar plate;
[0018] Figure 2 It is a partial section structure perspective view of a bottom box;
[0019] Figure 3 It is a support plate structure perspective view;
[0020] Figure 4 It is a cleaning assembly structure perspective view;
[0021] Figure 5 It is a delivery pipe structure perspective view;
[0022] Figure 6 It is a top box structure perspective view.
[0023] Reference signs:
[0024] 1, bottom box; 101, limiting frame; 102, water receiving box; 2, support plate; 201, fixed frame; 202, limiting frame; 3, cleaning assembly; 301, support frame; 302, moving track one; 303, electric hoist one; 304, moving track two; 305, electric hoist two; 306, fixed plate; 307, electric push rod; 308, waterproof motor; 309, circular brush; 4, delivery pipe; 401, delivery shell; 402, nozzle; 403, fixed pipe; 404, electric control valve; 5, top box; 501, exhaust pipe; 502, air inlet hole; 503, switch door. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to 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. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Specific embodiment one
[0026] Please refer to Figures 1-5The utility model discloses a kind of silk-screen plate cleaning equipment of hydrogen fuel cell polar plate, including bottom box 1, support plate 2, cleaning assembly 3, conveying pipe 4 and top box 5, the top of bottom box 1 is fixed with support plate 2, when bottom box 1 works, support plate 2 is supported on it, the top central fixed of support plate 2 has fixed frame 201, support needs to be washed silk-screen plate by fixed frame 201, the top of support plate 2 is fixed with cleaning assembly 3, and silk-screen plate is washed by cleaning assembly 3, cleaning assembly 3 includes support frame 301, moving track one 302, electric hoist one 303, moving track two 304 and electric hoist two 305, support frame 301 is fixed on the both sides of fixed frame 201 support plate 2, and the top central of support frame 301 is fixed with moving track one 302 along length direction, electric hoist one 303 is movably connected outside moving track one 302, moving track two 304 is commonly fixed on the side of two electric hoist one 303 close to each other, and electric hoist two 305 is movably connected outside moving track two 304, when working, moving track one 302, electric hoist one 303, moving track two 304 and electric hoist two 305 are supported on support plate 2 by support frame 301, two electric hoist one 303 is moved on two moving track one 302 respectively, drive moving track two 304 and electric hoist two 305 to move, drive fixed plate 306 to move by the movement of electric hoist two 305 on moving track two 304, the top edge of support plate 2 is fixed with top box 5, and fixed frame 201 on the top of support plate 2 is shielded well by top box 5, and conveying pipe 4 is fixed through the rear upper middle of fixed frame 201, and the conveying pipe 4 is conveyed into conveying shell 401 by conveying pipe 4 with cleaning agent and cleaning water, and the conveying pipe 4 is fixed through the rear of top box 5, and fixed pipe 403 is fixedly connected to the rear end of conveying pipe 4, and electric control valve 404 is fixedly connected on the both sides of fixed pipe 403, and the both ends of fixed pipe 403 are fixedly connected with the pipeline of conveying cleaning agent and cleaning water, so that electric control valve 404 works, controls the delivery of cleaning agent or cleaning water, and the top central of top box 5 is fixedly connected with exhaust pipe 501, and the top end of exhaust pipe 501 is communicated with air treatment equipment, so that top box 5 works, and negative pressure is generated inside by air treatment equipment, to prevent acetone leakage when cleaning.
[0027] Specifically, the inner bottom of bottom box 1 is fixed with a limiting frame 101, and a water receiving box 102 is movably connected in the limiting frame 101. The water receiving box 102 is in communication with the fixed frame 201. When the bottom box 1 works, the position of the water receiving box 102 is limited by the limiting frame 101. The wastewater generated during the cleaning of the silk-screen plate is received by the water receiving box 102.
[0028] Further, the inner wall of the fixed frame 201 is provided with a limiting frame 202, the rear of the limiting frame 202 is inclined upward, and the limiting frame 202 is arranged below the conveying pipe 4, when the fixed frame 201 works, the silk screen printing plate is supported on the limiting frame 202.
[0029] Further, the cleaning assembly 3 further comprises a fixed plate 306, an electric push rod 307, a waterproof motor 308 and a circular brush 309, the fixed plate 306 is fixed at the top front side edge of the electric hoist 2 305, the front side of the fixed plate 306 is fixed with the electric push rod 307, the telescopic end of the electric push rod 307 is fixed with the waterproof motor 308, the output end of the waterproof motor 308 is fixed with the circular brush 309, when the cleaning assembly 3 works, when the electric hoist 1 303, the moving rail 2 304 and the electric hoist 2 305 work, the electric push rod 307 on the fixed plate 306 is driven to move, the waterproof motor 308 is driven to lift through the electric push rod 307, so that the bottom of the circular brush 309 is always in contact with the silk screen printing plate to be cleaned, the circular brush 309 is driven to rotate through the waterproof motor 308, and the silk screen printing plate is washed.
[0030] Further, the front end of the conveying pipe 4 is fixedly communicated with a conveying shell 401, the bottom of the conveying shell 401 is fixedly communicated with a nozzle 402 along the center line parallel to the long side at equal distances, the conveying shell 401 is arranged in the fixed frame 201, when the conveying pipe 4 works, the cleaning agent or cleaning water conveyed in the conveying shell 401 is conveyed to the nozzle 402, and then conveyed to the silk screen printing plate through the nozzle 402.
[0031] The operation process of the embodiment is as follows: during operation, first open the switch door 503 on the top box 5, then place the silk screen plate into the limiting frame 202 in the fixed frame 201, then close the switch door 503 on the top box 5, then open the electric control valve 404 near the conveying cleaning agent, after the electric control valve 404 is opened, the cleaning agent is conveyed into the conveying pipe 4 through the fixed pipe 403, is conveyed into the conveying shell 401 through the conveying pipe 4, is sprayed into the nozzle 402 through the conveying shell 401, is sprayed onto the silk screen plate, and is distributed on the silk screen plate through the inclination of the silk screen plate, then the two electric hoists 303 move on the two moving tracks 302 respectively, drive the moving track 2 304 and the electric hoist 2 305 to move, drive the fixed plate 306 to move through the movement of the electric hoist 2 305 on the moving track 2 304, start the electric push rod 307 to drive the waterproof motor 308 to lift at the same time of the movement of the fixed plate 306, so that the bottom of the circular brush 309 is always in contact with the cleaned silk screen plate, drive the circular brush 309 to rotate through the waterproof motor 308, and wash the silk screen plate; when the silk screen plate is fully washed, close the electric control valve 404 for conveying the cleaning agent, open the electric control valve 404 for conveying the cleaning water, the cleaning water is conveyed into the conveying pipe 4 through the fixed pipe 403, is conveyed into the conveying shell 401 through the conveying pipe 4, is sprayed into the nozzle 402 through the conveying shell 401, and is sprayed onto the silk screen plate, so as to flush the silk screen plate; at the same time, the waterproof motor 308 continues to work, and the cleaning agent on the circular brush 309 is also washed away, then the electric push rod 307 drives the waterproof motor 308 to rise first, closes the electric control valve 404 for conveying the cleaning water, and completes the work; during the cleaning process, the cleaning water is guided into the water receiving box 102 in the fixed frame 201, and when the sewage is cleaned, only need to open the switch door 503 on the bottom box 1, place the external pumping pipeline into the water receiving box 102, and the sewage can be pumped out. Specific embodiment two
[0032] Please refer to Figure 1 , 3 , 6, on the basis of the specific embodiment one, the top box 5 is provided with air inlet holes 502 on both sides, the front sides of the bottom box 1 and the top box 5 are symmetrically hinged with switch doors 503, the top box 5 is provided with the air inlet holes 502 for conveying external fresh air into the top box 5 during operation, and the top box 5 and the bottom box 1 are closed through the switch doors 503.
[0033] The operation process of the embodiment is as follows: during operation, the top end of the exhaust pipe 501 is communicated with the air treatment equipment, so that the top box 5 generates negative pressure in the interior through the air treatment equipment during operation, to prevent the leakage of the acetone component during cleaning, and the top box 5 conveys external fresh air into the top box 5 through the air inlet holes 502 during operation, so that the acetone component emitted by the cleaning agent does not leak into the working environment during operation, to reduce the pollution to the working environment.
[0034] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0035] The preferred embodiments of the utility model disclosed above are only used for helping to explain the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.
Claims
1. A screen printing plate cleaning device for hydrogen fuel cell plates, comprising a bottom box (1), a support plate (2), a cleaning assembly (3), a delivery pipe (4) and a top box (5), characterized in that: A support plate (2) is fixed on the top of the bottom box (1), a fixed frame (201) is fixed at the top center of the support plate (2), a cleaning assembly (3) is fixed on the top of the support plate (2), and the cleaning assembly (3) comprises a support frame (301), a movable track (302), an electric hoist (303), a movable track (304) and an electric hoist (305), support frames (301) are fixed on the support plates (2) on both sides of the fixed frame (201), a movable track (302) is fixed at the top center of the support frame (301) along the length direction, and an electric hoist (303) is movably connected to the outer side of the movable track (302). ), a movable track 2 (304) is fixed on one side of the two electric hoists 1 (303) close to each other, and an electric hoist 2 (305) is movably connected to the outer side of the movable track 2 (304), a top box (5) is fixed at the top edge of the support plate (2), a conveying pipe (4) is fixed through the middle of the upper rear part of the fixed frame (201), the conveying pipe (4) is fixed through the rear part of the top box (5), the rear end of the conveying pipe (4) is fixedly connected to a fixed pipe (403), the fixed pipes (403) on both sides of the conveying pipe (4) are fixedly connected to an electric control valve (404), and the top center of the top box (5) is fixedly connected to an exhaust pipe (501).
2. The screen printing screen cleaning device for hydrogen fuel cell plates according to claim 1, characterized in that: A limiting frame (101) is fixed at the bottom of the bottom box (1), a water receiving box (102) is movably connected inside the limiting frame (101), and the water receiving box (102) is communicated with the fixing frame (201).
3. The screen printing screen cleaning device for hydrogen fuel cell plates according to claim 1, characterized in that: A limiting frame (202) is fixed obliquely on the upper portion of the inner wall of the fixing frame (201), the rear portion of the limiting frame (202) is inclined upward, and the limiting frame (202) is arranged below the conveying pipe (4).
4. The screen printing screen cleaning device for hydrogen fuel cell plates according to claim 1, characterized in that: The cleaning assembly (3) further comprises a fixing plate (306), an electric push rod (307), a waterproof motor (308) and a circular brush (309); the fixing plate (306) is fixed at the front edge of the top of the second electric hoist (305); the electric push rod (307) is fixed to the front side of the fixing plate (306); the waterproof motor (308) is fixed to the telescopic end of the electric push rod (307); and the circular brush (309) is fixed to the output end of the waterproof motor (308).
5. The screen printing screen cleaning device for hydrogen fuel cell plates according to claim 1, characterized in that: The front end of the delivery tube (4) is fixedly connected to a delivery shell (401), and the bottom of the delivery shell (401) is fixedly connected to nozzles (402) at equal distances along a center line parallel to the long side. The delivery shell (401) is arranged in a fixed frame (201).
6. The screen printing screen cleaning device for hydrogen fuel cell plates according to claim 1, characterized in that: Air inlet holes (502) are provided on both sides of the top box (5), and opening and closing doors (503) are symmetrically hinged on the front sides of the bottom box (1) and the top box (5).