Bubble-controllable solution extrusion device for slit coating

Abstract

The bubble-controllable solution extrusion device for slit coating comprises a base, supporting plates are fixedly installed on the front portion and the rear portion of the upper end of the base respectively, a transverse plate is fixedly installed at the upper ends of the two supporting plates together, a hydraulic cylinder is fixedly installed in the middle of the upper end of the transverse plate, and the hydraulic cylinder is fixedly installed in the middle of the lower end of the transverse plate. An auxiliary box is fixedly installed on the front portion of the upper end of the transverse plate, and a conveying pump is fixedly installed at the upper end of the auxiliary box. According to the bubble-controllable solution extrusion device for slit coating, the conveying pump is arranged, and under the assistance of the conveying pump, coating in the auxiliary box is conveyed into the auxiliary box, so that the feeding function is enhanced; through the arrangement of the sleeve, when residual paint in the spray head main body needs to be cleaned, the injection cylinder is driven by the electric push rod to convey air pressure into the sleeve, and under the pushing of the air pressure, the residual paint in the spray head main body can be discharged outwards through the coating head under the assistance of the air pressure, so that the residual paint is convenient to treat.

Description

Technical Field

[0001] The utility model relates to the technical field of coating machines, in particular to a bubble-controlled solution extrusion device for slit coating. Background Technique

[0002] At present, perovskite has been widely used in many technical fields such as solar cells, fuel cells, bioimaging, aerospace, and the automotive industry. The certified efficiency of perovskite solar cells has reached 25.5%, which is almost the same as that of traditional silicon cells. However, there is still a certain distance from its commercial application. How to efficiently prepare a stable perovskite light-absorbing layer is the main factor restricting commercialization, but the residual coating in the coating head needs to be cleaned.

[0003] The existing bubble-controlled solution extrusion device for slit coating has the following drawbacks. Since the existing equipment generally has a general cleaning effect on the residual coating in the coating head, the residual coating is easy to form crystals, which easily causes blockage of the equipment. Therefore, we propose a new bubble-controlled solution extrusion device for slit coating. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a bubble-controlled solution extrusion device for slit coating, which can effectively solve the problem that the residual coating is not easy to clean.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A bubble-controlled solution extrusion device for slit coating, including a base. The front part and the rear part of the upper end of the base are both fixedly installed with support plates. A cross plate is fixedly installed on the upper ends of the two support plates. A hydraulic cylinder is fixedly installed in the middle of the upper end of the cross plate. An auxiliary box is fixedly installed at the front part of the upper end of the cross plate. A delivery pump is fixedly installed on the upper end of the auxiliary box. A delivery pipe is jointly arranged between the lower end of the auxiliary box and the lower end of the hydraulic cylinder. A sleeve is fixedly sleeved on the outer surface of the delivery pipe.

[0007] Preferably, the output end of the hydraulic cylinder penetrates through the cross plate and is movably connected with a hydraulic rod. The lower end of the hydraulic rod is fixedly connected with a spray head main body. The front side of the left end of the spray head main body is fixedly connected with an installation pipe. The lower end of the spray head main body is fixedly connected with a coating head.

[0008] Preferably, a cushion block is fixedly connected to the lower end of the delivery pump. The output end of the delivery pump is fixedly connected with an auxiliary box. A connecting pipe is fixedly inserted and connected to the upper side of the outer cylindrical surface of the auxiliary box. A branch pipe is jointly fixedly connected between the lower side of the outer cylindrical surface of the auxiliary box and the auxiliary box.

[0009] Preferably, the delivery pump is fixed on the upper end of the auxiliary box through a cushion block.

[0010] Preferably, a connecting block is fixedly connected to the front side of the outer cylindrical surface of the sleeve, an injection cylinder is fixedly connected to the left side of the outer cylindrical surface of the sleeve, a mounting plate is fixedly connected to the left end of the injection cylinder, and an electric push rod is fixedly connected between the mounting plate and the connecting block.

[0011] Preferably, one end of the conveying pipe is fixedly inserted and connected into the mounting pipe, and the end of the conveying pipe far from the mounting pipe is fixedly inserted and connected to the lower end of the auxiliary box.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, by arranging the transfer pump, the feeding function can be enhanced. When in use, first connect the material pipe with the connecting pipe, and under the action of the transfer pump, the coating inside the material pipe is sucked into the auxiliary box, and with the assistance of the transfer pump, the coating in the auxiliary box is conveyed into the auxiliary tank, thereby enhancing the feeding function;

[0014] 2. In the utility model, by arranging the sleeve, the residual coating in the spray head body is convenient to handle. When in use, when the residual coating in the spray head body needs to be cleaned, first drive the injection cylinder to convey air pressure into the sleeve through the electric push rod, and under the push of the air pressure, the residual coating in the spray head body can be discharged outward through the coating head with the assistance of the air pressure, making the residual coating easy to handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall structural schematic diagram of a bubble - controllable solution extrusion device for slit coating of the utility model;

[0016] Figure 2 is the overall structural schematic diagram of the hydraulic cylinder of a bubble - controllable solution extrusion device for slit coating of the utility model;

[0017] Figure 3 is the overall structural schematic diagram of the transfer pump of a bubble - controllable solution extrusion device for slit coating of the utility model;

[0018] Figure 4 is the overall structural schematic diagram of the sleeve of a bubble - controllable solution extrusion device for slit coating of the utility model.

[0019] In the figure: 1. Base; 2. Support plate; 3. Cross - plate; 4. Hydraulic cylinder; 5. Auxiliary tank; 6. Transfer pump; 7. Conveying pipe; 8. Sleeve; 41. Hydraulic rod; 42. Spray head body; 43. Coating head; 44. Mounting pipe; 61. Pad; 62. Auxiliary box; 63. Branch pipe; 64. Connecting pipe; 81. Injection cylinder; 82. Mounting plate; 83. Connecting block; 84. Electric push rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] To make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0023] As Figures 1-4 shown, a bubble-controllable solution extrusion device for slit coating includes a base 1. Front and rear parts of the upper end of the base 1 are both fixedly installed with support plates 2. The upper ends of the two support plates 2 are jointly fixedly installed with a cross plate 3. The middle part of the upper end of the cross plate 3 is fixedly installed with a hydraulic cylinder 4. The front part of the upper end of the cross plate 3 is fixedly installed with an auxiliary tank 5. The upper end of the auxiliary tank 5 is fixedly installed with a delivery pump 6. A delivery pipe 7 is jointly arranged at the lower end of the auxiliary tank 5 and the lower end of the hydraulic cylinder 4. A sleeve 8 is fixedly sleeved on the outer surface of the delivery pipe 7.

[0024] The output end of the hydraulic cylinder 4 penetrates through the transverse plate 3 and is movably connected with a hydraulic rod 41. A spray head main body 42 is fixedly connected to the lower end of the hydraulic rod 41. An installation pipe 44 is fixedly connected to the front side of the left end of the spray head main body 42. A coating head 43 is fixedly connected to the lower end of the spray head main body 42. A cushion block 61 is fixedly connected to the lower end of the delivery pump 6. The output end of the delivery pump 6 is fixedly connected with an auxiliary box 62. A connecting pipe 64 is fixedly inserted and connected to the upper side of the outer cylindrical surface of the auxiliary box 62. A branch pipe 63 is fixedly connected between the lower side of the outer cylindrical surface of the auxiliary box 62 and the auxiliary tank 5. The delivery pump 6 is fixed to the upper end of the auxiliary tank 5 through the cushion block 61. By setting the delivery pump 6, the feeding function can be enhanced. When in use, first connect the material pipe with the connecting pipe 64, and under the action of the delivery pump 6, the paint inside the material pipe is sucked into the auxiliary box 62, and with the assistance of the delivery pump 6, the paint in the auxiliary box 62 is conveyed into the auxiliary tank 5, thereby enhancing the feeding function.

[0025] A connecting block 83 is fixedly connected to the front side of the outer cylindrical surface of the sleeve 8. An injection cylinder 81 is fixedly connected to the left side of the outer cylindrical surface of the sleeve 8. An installation plate 82 is fixedly connected to the left end of the injection cylinder 81. An electric push rod 84 is fixedly connected between the installation plate 82 and the connecting block 83. One end of the delivery pipe 7 is fixedly inserted and connected into the installation pipe 44. The end of the delivery pipe 7 far from the installation pipe 44 is fixedly inserted and connected to the lower end of the auxiliary tank 5. By setting the sleeve 8, the residual paint in the spray head main body 42 is convenient to handle. When in use, when the residual paint in the spray head main body 42 needs to be cleaned, first drive the injection cylinder 81 to convey air pressure into the sleeve 8 through the electric push rod 84, and under the push of the air pressure, the residual paint in the spray head main body 42 can be discharged outward through the coating head 43 with the assistance of the air pressure, making the residual paint convenient to handle.

[0026] It should be noted that the present utility model is a slit coating bubble - controllable solution extrusion device. By setting the delivery pump 6, the feeding function can be enhanced. When in use, first connect the material pipe with the connecting pipe 64, and under the action of the delivery pump 6, the paint inside the material pipe is sucked into the auxiliary box 62, and with the assistance of the delivery pump 6, the paint in the auxiliary box 62 is conveyed into the auxiliary tank 5, thereby enhancing the feeding function. By setting the sleeve 8, the residual paint in the spray head main body 42 is convenient to handle. When in use, when the residual paint in the spray head main body 42 needs to be cleaned, first drive the injection cylinder 81 to convey air pressure into the sleeve 8 through the electric push rod 84, and under the push of the air pressure, the residual paint in the spray head main body 42 can be discharged outward through the coating head 43 with the assistance of the air pressure, making the residual paint convenient to handle.

[0027] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed for the present utility model is defined by the appended claims and their equivalents.

Claims

1. A slit coating bubble-controlled solution extrusion device, comprising a base (1), characterized in that: At the front and rear of the upper end of the base (1), support plates (2) are fixedly installed. A cross plate (3) is fixedly installed on the upper ends of the two support plates (2). In the middle of the upper end of the cross plate (3), a hydraulic cylinder (4) is fixedly installed. At the front of the upper end of the cross plate (3), an auxiliary box (5) is fixedly installed. On the upper end of the auxiliary box (5), a delivery pump (6) is fixedly installed. Between the lower end of the auxiliary box (5) and the lower end of the hydraulic cylinder (4), a delivery pipe (7) is provided. A sleeve (8) is fixedly sleeved on the outer surface of the delivery pipe (7).

2. The bubble-controllable solution extrusion device for slot coating according to claim 1, wherein: The output end of the hydraulic cylinder (4) penetrates through the cross plate (3) and is movably connected to a hydraulic rod (41). The lower end of the hydraulic rod (41) is fixedly connected to a spray head body (42). On the front side of the left end of the spray head body (42), an installation pipe (44) is fixedly connected. The lower end of the spray head body (42) is fixedly connected to a coating head (43).

3. The bubble controllable solution extrusion device for slot coating according to claim 2, characterized in that: A cushion block (61) is fixedly connected to the lower end of the delivery pump (6). The output end of the delivery pump (6) is fixedly connected to an auxiliary box (62). A connecting pipe (64) is fixedly inserted and connected to the upper side of the outer cylindrical surface of the auxiliary box (62). A branch pipe (63) is fixedly connected between the lower side of the outer cylindrical surface of the auxiliary box (62) and the auxiliary box (5).

4. A slit coating bubble-controllable solution extrusion device according to claim 3, characterized in that: The delivery pump (6) is fixed on the upper end of the auxiliary box (5) through the cushion block (61).

5. The bubble controllable solution extrusion device for slit coating according to claim 4, wherein: A connecting block (83) is fixedly connected to the front side of the outer cylindrical surface of the sleeve (8). An injection cylinder (81) is fixedly connected to the left side of the outer cylindrical surface of the sleeve (8). An installation plate (82) is fixedly connected to the left end of the injection cylinder (81). An electric push rod (84) is fixedly connected between the installation plate (82) and the connecting block (83).

6. The bubble-controllable solution extrusion device for slot coating according to claim 5, characterized in that: One end of the delivery pipe (7) is fixedly inserted and connected into the installation pipe (44). The end of the delivery pipe (7) far from the installation pipe (44) is fixedly inserted and connected to the lower end of the auxiliary box (5).

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