Aggregate cleaning device at spray gun in spray coater for fuel cell preparation
By designing a material collection and cleaning device in the spraying machine of the fuel cell manufacturing equipment, the problems of slurry contamination and waste during spray gun evacuation are solved, achieving efficient slurry collection and convenient cleaning of the spray gun, thus improving the cleanliness and efficiency of the equipment.
Patent Information
- Application Number
- CN202520350973.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-03
AI Technical Summary
In existing fuel cell fabrication equipment, the slurry easily contaminates the work surface when the spray gun is emptied, making it difficult to clean and resulting in slurry waste.
A material collection and cleaning device for the spray gun in a spraying machine was designed, including a frame fixed on a connecting frame, with a material collection area and a cleaning area inside the frame. A movable sealing hose and a customized cleaning sponge are used to collect the slurry and clean the spray gun through an ethanol spraying mechanism.
It achieves efficient collection and cleaning of slurry, avoids tabletop contamination and waste, simplifies the cleaning process, and improves the overall cleanliness and efficiency of the spraying machine.
Smart Images

Figure CN223915712U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fuel cell field especially relates to a fuel cell preparation is with spraying machine in spray gun place material collecting cleaning device. BACKGROUND
[0002] Membrane electrode assembly (MEA) is the combination of PEMs (proton exchange membranes), catalysts and electrodes, the proton exchange membrane is sandwiched between two electrodes, the catalyst is embedded between them, the preparation of membrane electrode includes the preparation process of catalyst layer and diffusion layer, usually adopt the mode such as coating, spraying to form catalyst layer and diffusion layer by loading slurry on carrier, the common equipment includes ultrasonic spraying machine, the ultrasonic spraying machine includes feeding part, spray gun part, conveying part and electric control part, usually fill the slurry to be sprayed in feeding part, then enter spray gun, carrier is placed at conveying part, and slurry is sprayed on carrier by spray gun to form coating through electric control part.
[0003] The uniformity of slurry on coating constitutes one of the key factors to determine the quality of membrane electrode, in order to improve the uniformity of slurry in the spraying process, the movable sealing hose between feeding part and spray gun is needed to carry out emptying process before spraying, in this process, in order to avoid causing the pollution of spraying machine table, the conventional design in the market is to set a simple box in the spraying machine, so as to send slurry to the box for material collection when spray gun is emptied, but the ordinary box is fixed, so it is inconvenient to clean and collect material liquid, or it is not fixed, so it is easy to be accidentally touched and spilled in subsequent other procedures, which has great defects. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of material collecting cleaning devices in spray gun place of fuel cell preparation spraying machine, its advantages are that the collection of slurry discharged can be realized, avoid the pollution of table and slurry waste condition, it is convenient to clean itself simultaneously, and not easy to spill and lose.
[0005] The above technical purpose of the utility model is realized by the following technical scheme: a kind of material collecting cleaning device in spray gun place of fuel cell preparation spraying machine, spraying machine is equipped with connecting frame near spray gun, material collecting cleaning device includes the frame body fixedly arranged on connecting frame, the frame body includes material collecting area and cleaning area, the material collecting area and cleaning area are respectively equipped with extractable material collecting box and cleaning box, movable sealing hose is installed on the frame body by movable connecting mechanism, movable sealing hose can be inserted into material collecting box or pulled out from material collecting box under the action of movable connecting mechanism;Customized cleaning sponge is filled in the cleaning box, and ethanol spraying mechanism that acts on customized cleaning sponge is arranged on the cleaning box.
[0006] The utility model further sets up: the movable type connecting mechanism includes with the frame body lateral wall vertical light pole, adjusting screw rod and with the frame body lateral wall parallel sliding plate, the light pole fixed setting is on the frame body lateral wall, the adjusting screw rod rotation setting is on the frame body lateral wall, the sliding plate installs on adjusting screw rod and light pole, and under the rotation of adjusting screw rod, along light pole do horizontal linear sliding motion;
[0007] The movable type sealing hose is fixedly arranged on the sliding plate, one end of the movable type sealing hose can be inserted into the aggregate box through the frame body rear insertion under the horizontal linear sliding motion of the sliding plate, and the other end of the movable type sealing hose is connected with the aggregate barrel.
[0008] The utility model further sets up: the ethanol spraying mechanism includes the cover plate of hinged setting on the frame body and can cover the cleaning area, a plurality of nozzles for spraying the customized cleaning sponge are arranged on the cover plate through the thin tube and connected with ethanol.
[0009] The utility model further sets up: the nozzle is fan-shaped nozzle, the number is three, and the nozzle is arranged in an equilateral triangle shape on the cover plate.
[0010] The utility model further sets up: the customized cleaning sponge is in a plurality of layers and has a meandering shape.
[0011] In summary, the utility model has the following beneficial effects:
[0012] 1, the device can realize the slurry collection of the slurry discharged when the spray gun is emptied, and the slurry is collected in the aggregate box and can be sent to the aggregate barrel through the movable type sealing hose to form storage, and the aggregate box can be removed at any time for cleaning, so that the cleanliness of the device as a whole is ensured.
[0013] 2, the movable type sealing hose is inserted or withdrawn from the connecting hole through the movable type connecting mechanism, so that the aggregate box can be removed and the slurry in the aggregate box can be discharged; the movable type connecting mechanism is simple in design and low in cost, and can quickly and conveniently control the displacement of the movable type sealing hose, so that the movable type sealing hose can be inserted and removed in the aggregate box by slightly rotating, the slurry in the aggregate box can be easily extracted and collected when inserted, and the aggregate box can be easily taken out for cleaning after removal, so that the utility model has good use effect.
[0014] 3, the cleaning area is arranged on the frame body, so that the spray gun can be cleaned.
[0015] 4, the ethanol spraying mechanism is arranged in the cleaning area, and the customized cleaning sponge is arranged in a meandering shape, so that the spray gun head can be fully embedded and cleaned.
[0016] 5. The nozzles are fan-shaped and there are three of them arranged in an isosceles triangle array on the cover plate, which can ensure that the customized cleaning sponge can be sprayed over a large area. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the overall structure of the spray painting machine;
[0019] Figure 2 This is a schematic diagram of the overall structure of the frame;
[0020] Figure 3 yes Figure 2 A magnified view of part A in the image.
[0021] In the diagram: 1. Machine body; 1-1. Feeding area; 1-2. Conveying area; 1-3. Spray gun; 1-4. Electrical control area; 1-5. Connecting frame; 2. Frame; 3. Collection box; 4. Cleaning box; 5. Movable sealing hose; 6. Movable connecting mechanism; 6-1. Smooth rod; 6-2. Adjusting screw; 6-3. Sliding plate; 7. Customized cleaning sponge; 8. Ethanol spraying mechanism; 8-1. Cover plate; 8-2. Nozzle. Detailed Implementation
[0022] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.
[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this utility model or its application or use. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0024] It is to be understood that the terms so far as the language goes are used herein only to describe specific embodiments and not intended to limit the example embodiments according to the present application. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.
[0025] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless otherwise specifically stated. It should be apparent that the dimensions of the various parts shown in the drawings are not to scale as the purpose of the drawings is to convey an understanding of the application. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail in order to avoid obscuring the application. In all examples shown and discussed herein, any specific numerical value should be interpreted as merely an example, and not as a limitation. Other examples of the example embodiments can have different values. It should be noted that like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be discussed further in subsequent drawings.
[0026] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application: the orientation words "inner, outer" refer to the inner and outer relative to the contour of each component.
[0027] For purposes of the description hereinafter, spatial relative terms, such as "above", "below", "upper", "lower", and the like, can be used to describe the relative position of one element or feature to another as illustrated in the figures. It will be understood that the spatial relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "up" other elements or features would then be oriented "below" or "down" the other elements or features. Thus, the exemplary term "above" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
[0028] In addition, it should be noted that the use of "first", "second", and the like words of distinction do not connote any meaning of importance, but are used solely to distinguish one element from another, and are used in the context of this application only for the purpose of clarity. Thus, the use of such terms is not intended to limit the scope of the present application, unless specifically stated otherwise.
[0029] Embodiment: A kind of fuel cell preparation is used in spraying machine in the spray gun place aggregate cleaning device, such as Figure 1 As shown in the figure, the spraying machine includes body 1, the feeding area 1-1 of slurry, the conveying area 1-2 of the piece to be coated, the electric control area 1-4 and the spray gun 1-3, spraying machine is fixed with the connecting frame 1-5 near the spray gun 1-3, as shown in Figure 1 And 2 As shown in the figure, the aggregate cleaning device includes the frame body 2 fixedly arranged on the connecting frame 1-5, the frame body 2 is divided into two, and two hole grooves are formed, which are aggregate area and cleaning area respectively, the aggregate area and the cleaning area are respectively provided with the aggregate box 3 and the cleaning box 4 which can be pulled out.
[0030] As shown in the figure, the aggregate cleaning device includes the frame body 2 fixedly arranged on the connecting frame 1-5, the frame body 2 is divided into two, and two hole grooves are formed, which are aggregate area and cleaning area respectively, the aggregate area and the cleaning area are respectively provided with the aggregate box 3 and the cleaning box 4 which can be pulled out. Figure 2 And 3As shown, the movable sealing hose 5 is mounted on the frame 2 through the movable connecting mechanism 6, and the movable sealing hose 5 can be inserted into or pulled out of the aggregate box 3 under the action of the movable connecting mechanism 6; the movable connecting mechanism 6 includes a polished rod 6-1 perpendicular to the side wall of the frame 2, an adjusting screw rod 6-2, and a sliding plate 6-3 parallel to the side wall of the frame 2, the polished rod 6-1 is fixedly arranged on the side wall of the frame 2, the adjusting screw rod 6-2 is rotatably mounted on the side wall of the frame 2 through a bearing or the like connecting piece, and the sliding plate 6-3 is threadedly connected to the adjusting screw rod 6-2 and is sleeved on the polished rod 6-1, so as to realize horizontal linear sliding movement along the polished rod 6-1 under the rotation action of the adjusting screw rod 6-2; in this embodiment, in order to better form the limiting of the sliding plate 6-3, two polished rods 6-1 are arranged, and are uniformly distributed in the shape of the sliding plate 6-3, as shown in Figure 3 The movable sealing hose 5 is fixedly arranged on the sliding plate 6-3, and the side wall of the aggregate box 3 and the side wall of the frame 2 are provided with two coaxial and equal-size connecting through holes, one end of the movable sealing hose 5 can penetrate through the two connecting through holes and be inserted into the aggregate box 3 under the horizontal linear sliding movement of the sliding plate 6-3, and the other end of the movable sealing hose 5 is connected with the aggregate barrel with a liquid pumping pump, so as to realize the pumping and collection of the liquid in the aggregate box 3. That is, the linear displacement of the sliding plate 6-3 close to or away from the frame 2 can be realized by rotating the adjusting screw rod 6-2, when the sliding plate 6-3 slides close to the frame 2, the movable sealing hose 5 can be inserted into the aggregate box 3 after penetrating through the two connecting through holes, and is fixed at this position, so as to realize the delivery of the slurry in the aggregate box 3 to the external aggregate barrel, and the pumping efficiency can be improved by using the pumping pump.
[0031] In this embodiment, in order to better realize the movement limiting of the sliding plate 6-3, a limiting spring is sleeved on one of the polished rods 6-1, one end of the limiting spring is fixed with the sliding plate, and the other end is fixed with the side wall of the frame (not shown in the figure).
[0032] Further, as shown in Figure 2 The cleaning box 4 is filled with a customized cleaning sponge 7, the customized cleaning sponge 7 is arranged in a multi-layered loop shape in the cleaning box 4, and a connecting rib is arranged between each layer of the multi-layered loop-shaped customized sponge to strengthen the shaping and stability of the overall shape of the customized sponge, the gap between each layer of the multi-layered loop-shaped customized cleaning sponge 7 can be opposite to the spray gun 1-3 through the displacement of the spray gun 1-3, and the cleaning box 4 is provided with an ethanol spraying mechanism 8 for the customized cleaning sponge 7.
[0033] As shown in Figure 2As shown, the ethanol spraying mechanism 8 comprises a cover plate 8-1 hingedly arranged on the frame 2 and capable of covering the cleaning area, and three fan-shaped nozzles 8-2 are arranged on the cover plate 8-1 through thin pipes and connected with ethanol to spray the customized cleaning sponge 7, the three nozzles 8-2 are arranged in an isosceles triangle shape on the cover plate 8-1, and the suction pipe is connected with the material pumping pump and the material cylinder containing ethanol to realize spraying of ethanol in the customized cleaning sponge 7 through the nozzles 8-2.
[0034] Specific implementation: the adjusting screw 6-2 is screwed, the sliding plate 6-3 slides towards the frame 2, and the movable sealing hose 5 penetrates through the connecting through hole and communicates with the inside of the material collecting box 3, the spray gun 1-3 of the spraying machine is moved above the material collecting box 3 to perform the emptying process, the slurry is collected in the material collecting box 3, and then is pumped and delivered to the external material collecting barrel through the movable sealing hose 5 and the material pumping pump, after the spray gun 1-3 finishes the spraying work on the to-be-coated part, the ethanol spraying mechanism 8 is used to realize spraying of ethanol on the customized cleaning sponge 7, then the spray gun 1-3 is moved to the cleaning box 4 and is lowered and embedded into the gap of the customized cleaning sponge 7, the movement of the spray gun 1-3 along the gap of the customized cleaning sponge 7 can realize cleaning of the outer surface of the spray gun 1-3, and the cover plate 8-1 can cover the cleaning box 4, when not in use, the cover plate 8-1 is closed to reduce volatilization of ethanol in the customized cleaning sponge 7.
[0035] At the same time, the material collecting box 3 and the cleaning box 4 can be pulled out of the frame 2, which is convenient for cleaning of the material collecting box 3 and the cleaning box 4.
[0036] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A kind of aggregate cleaning device in the spray gun of fuel cell preparation spraying machine, spraying machine is equipped with connecting frame (1-5) near the spray gun (1-3), it is characterized by: The aggregate cleaning device comprises a frame (2) fixedly arranged on a connecting frame (1-5), the frame (2) comprises an aggregate area and a cleaning area, the aggregate area and the cleaning area are respectively provided with a removable aggregate box (3) and a cleaning box (4), the frame is provided with a movable sealing hose (5) through a movable connecting mechanism (6), the movable sealing hose (5) can be inserted into or pulled out of the aggregate box (3) under the action of the movable connecting mechanism (6), the cleaning box (4) is filled with a customized cleaning sponge (7), and the cleaning box (4) is provided with an ethanol spraying mechanism (8) for the customized cleaning sponge (7).
2. The aggregate cleaning device at the spray gun in the fuel cell manufacturing spray machine according to claim 1, characterized in that: The movable connecting mechanism (6) comprises a light rod (6-1) perpendicular to the side wall of the frame (2), an adjusting screw rod (6-2) and a sliding plate (6-3) parallel to the side wall of the frame (2), the light rod (6-1) is fixedly arranged on the side wall of the frame (2), the adjusting screw rod (6-2) is rotatably arranged on the side wall of the frame (2), and the sliding plate (6-3) is installed on the adjusting screw rod (6-2) and the light rod (6-1) and moves horizontally and linearly along the light rod (6-1) under the rotation of the adjusting screw rod (6-2). The movable sealing hose (5) is fixedly arranged on the sliding plate, and one end of the movable sealing hose (5) can be inserted into the aggregate box (3) through the frame (2) under the horizontal and linear sliding movement of the sliding plate (6-3).
3. The aggregate cleaning device at the spray gun in a spray coater for fuel cell production according to claim 1, characterized in that: The ethanol spraying mechanism (8) comprises a cover plate (8-1) hingedly arranged on the frame (2) and capable of covering the cleaning area, a plurality of nozzles (8-2) connected with ethanol and capable of spraying the customized cleaning sponge (7) are arranged on the cover plate (8-1) through a thin tube.
4. The aggregate cleaning device at the spray gun in the fuel cell manufacturing spray coater of claim 3, wherein: The nozzles (8-2) are fan-shaped nozzles (8-2), the number is three, and the nozzles are arranged in an isosceles triangular shape on the cover plate (8-1).
5. The aggregate cleaning device at the spray gun in the fuel cell manufacturing spray coater of claim 2, wherein: The customized cleaning sponge (7) has a multi-layered shape.