Flat plate coating machine

Abstract

The utility model discloses a flat plate coating machine which comprises a machine frame, a linear module is arranged on the machine frame, a coating assembly and a blow-drying assembly are sequentially arranged in the moving direction of the linear module, a driving portion of the linear module is provided with a suction platform used for fixing products, and a coating liquid detection assembly is arranged at the front end of the suction platform. And the coating liquid detection assembly comprises a first liquid receiving frame fixed to the front end of the suction platform, and an electric liquid receiving roller is rotationally connected into the first liquid receiving frame. In the structure, through arrangement of the first liquid receiving frame and the electric liquid receiving roller, the surface of the electric liquid receiving roller can be coated firstly before a product is coated formally, and then the surface of the electric liquid receiving roller is coated; and when it is observed that the surface of the electric liquid receiving roller is flatly coated, subsequent products are coated, and therefore the flatness of the products during coating can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to perovskite coating technical field, especially panel coater. BACKGROUND

[0002] Solar energy, as a kind of green energy with rich resources and no pollution, is expected to be widely used in the future. In the research field of new solar cells, perovskite solar cells have attracted close attention from the scientific community and industry due to their rapid development. When producing perovskite solar cells, it is necessary to coat perovskite slurry on substrates such as glass. Due to the wide coating area, thin coating layer and low slurry viscosity, the coating process is quite challenging, and the precision of the coating equipment is extremely high.

[0003] Unfortunately, under the current technical level, the coating equipment cannot guarantee the flatness when coating each piece of glass. UTILITY MODEL CONTENT

[0004] The technical problem solved by the utility model is to provide a panel coater that ensures the flatness of perovskite slurry coating.

[0005] The technical solution adopted by the utility model to solve its technical problem is: a panel coater, including a rack, a linear module is provided on the rack, a coating assembly and a blow-drying assembly are sequentially provided along the movement direction of the linear module, a drive part of the linear module is provided with a suction platform for fixing products, a coating liquid detection assembly is provided at the front end of the suction platform.

[0006] The coating liquid detection assembly includes a first liquid receiving frame fixed at the front end of the suction platform, and an electric liquid receiving roller is rotatably connected in the first liquid receiving frame.

[0007] Further, the suction platform includes a platform body, a plurality of vacuum suction ports are provided on the platform body, and a third limiting plate for limiting the products is provided at the end of the platform body.

[0008] Further, the third limiting plate is in the shape of C.

[0009] Further, the coating assembly includes a coating mounting rack, a coating head mounting plate and a lifting drive mechanism for driving the coating head mounting plate to move up and down are provided on the coating mounting rack, a coating die head is provided on the coating head mounting plate, and a liquid bottle and a syringe pump for supplying liquid to the coating die head are provided on the rack.

[0010] Further, the lifting driving mechanism comprises a first servo lifting module and a second servo lifting module, the driving ends of the first servo lifting module and the second servo lifting module are connected with the two ends of the coating head mounting plate respectively, the first distance measuring sensor and the second distance measuring sensor are arranged on the coating head mounting plate respectively, the first distance measuring sensor and the second distance measuring sensor are located at the same height, the first limiting plate is arranged below the first distance measuring sensor, the second limiting plate is arranged below the second distance measuring sensor, and the first limiting plate and the second limiting plate are installed on the coating mounting frame and located at the same height.

[0011] Further, the blowing and drying assembly comprises a blowing and drying frame, a wind knife mounting frame is arranged below the blowing and drying frame, a wind knife is installed on the wind knife mounting frame, a height adjusting assembly is arranged between the wind knife mounting frame and the blowing and drying frame, and a guide rod is arranged between the wind knife mounting frame and the blowing and drying frame.

[0012] Further, the wind knife mounting frame comprises a first frame body and a second frame body, the first frame body is adjustably connected with the blowing and drying frame, the second frame body comprises mounting plates located on the two sides, the mounting plates are provided with first mounting holes, the first frame body is provided with an arc-shaped hole matched with the first mounting hole, and the first frame body and the second frame body are adjustably connected through bolts.

[0013] Further, the bottom of the blowing and drying frame is provided with a linear guide rail fixedly installed, the bottom of the blowing and drying frame is slidably connected with the linear guide rail through a sliding block, and a sliding block fixing piece for fixing the sliding block on the sliding rail is arranged on one side of the sliding block.

[0014] Further, the tail end of the suction platform is provided with a second liquid receiving frame.

[0015] The utility model discloses the beneficial effects are:

[0016] 1. In the structure, the first liquid receiving frame and the electric liquid receiving roller are arranged, so that the surface of the electric liquid receiving roller can be coated before the formal coating of the product, and the coating of the subsequent product is carried out when the surface of the electric liquid receiving roller is observed to be coated flat, so that the flatness of the product coating can be ensured.

[0017] 2. In the structure, the limiting plate is arranged, so that the product can be placed at the accurate position during manual feeding.

[0018] 3. In the structure, the first distance measuring sensor and the second distance measuring sensor are arranged, so that the parallelism of the coating die head can be detected, and the flatness during coating operation can be ensured.

[0019] 4. In this structure, the perovskite slurry coated on the substrate can be quickly formed by setting the air knife. At the same time, by adjusting the position, height and angle of the air knife, the product can be dried in the optimal position. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a flatbed coating machine according to an embodiment of this application.

[0021] Figure 2 This is a schematic diagram of the suction platform of the flatbed coating machine according to an embodiment of this application.

[0022] Figure 3 This is a schematic diagram of the coating assembly of a flatbed coating machine according to an embodiment of this application.

[0023] Figure 4 This is a schematic diagram of the drying assembly of the flatbed coating machine according to an embodiment of this application.

[0024] The components in the diagram are labeled as follows: Frame 1, Linear Module 2, Coating Assembly 3, Coating Mounting Frame 301, Coating Head Mounting Plate 302, Coating Die 303, First Servo Lifting Module 304, Second Servo Lifting Module 305, First Distance Sensor 306, Second Distance Sensor 307, First Limiting Plate 308, Drying Assembly 4, Drying Rack 401, Air Knife 402, Height Adjustment Assembly 403, Guide Rod 404, First Frame 405, Second Frame 406, Arc Hole 407, Linear Guide Rail 408, Slider Fixing Part 409, Suction Platform 5, First Liquid Receiving Frame 501, Electric Liquid Receiving Roller 502, Platform Body 503, Third Limiting Plate 504, and Second Liquid Receiving Frame 505. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] like Figure 1 As shown, embodiments of this application disclose a flatbed coating machine, including a frame 1, on which a linear module 2 is provided, and a coating component 3 and a drying component 4 are sequentially arranged along the movement direction of the linear module 2. The driving part of the linear module 2 is provided with a suction platform 5 for fixing the product, and a coating liquid detection component is provided at the front end of the suction platform 5.

[0027] The coating detection component includes a first liquid receiving frame 501 fixed at the front end of the suction platform 5, and an electric liquid receiving roller 502 is rotatably connected inside the first liquid receiving frame 501.

[0028] In specific work, the operator places the product on the suction platform 5, then the linear module 2 drives the suction platform 5 to move forward until the first receiving frame moves to the lower side of the coating assembly 3, the coating assembly 3 first coats the coating liquid on the electric liquid receiving roller 502, and the operator observes the coating slurry on the electric liquid receiving roller 502, when the coating head can uniformly discharge liquid, the linear module 2 continues to drive the suction platform 5 to move forward, so that the coating assembly 3 can uniformly coat the product surface, and the product after coating moves to the lower side of the drying assembly 4, and the slurry on the product surface is quickly dried and crystallized by the drying assembly 4, and then the product is discharged by manual operation.

[0029] In the structure, the first liquid receiving frame 501 and the electric liquid receiving roller 502 are arranged, so that the surface of the electric liquid receiving roller 502 can be coated before the product is formally coated, and when the surface of the electric liquid receiving roller 502 is observed to be coated flat, the coating of the subsequent product is carried out, so that the flatness of the product coating can be ensured.

[0030] In the embodiment, the suction platform 5 includes a platform body 503, a plurality of vacuum suction ports are arranged on the platform body 503, and a third limiting plate 504 for limiting the product is arranged at the end of the platform body 503.

[0031] Specifically, the third limiting plate 504 can be a C-shaped structure, or a plurality of split limiting blocks.

[0032] Specifically, when the operator loads, the product can be directly placed on the suction platform 5, and the two edges of the product are respectively abutted against the limiting plates, so that the placement position of the product is ensured.

[0033] In the structure, the limiting plate is arranged, so that the operator can quickly position the product, thereby ensuring the accuracy of the subsequent coating operation.

[0034] In the embodiment, the coating assembly 3 includes a coating mounting frame 301, a coating head mounting plate 302 and a lifting driving mechanism for driving the coating head mounting plate 302 to move up and down are arranged on the coating mounting frame 301, a coating die head 303 is arranged on the coating head mounting plate 302, and a liquid bottle and a syringe pump for supplying liquid to the coating die head 303 are arranged on the rack 1.

[0035] Specifically, when coating, the lifting driving mechanism drives the coating die head 303 to descend to the surface of the product, the syringe pump supplies the slurry in the liquid bottle to the coating die head 303, and the coating die head 303 coats the surface of the product.

[0036] In the embodiment, the lifting driving mechanism comprises a first servo lifting module 304 and a second servo lifting module 305, the driving ends of the first servo lifting module 304 and the second servo lifting module 305 are connected with two ends of the coating head mounting plate 302 respectively, the first distance measuring sensor 306 and the second distance measuring sensor 307 are arranged on the coating head mounting plate 302 respectively, the first distance measuring sensor 306 and the second distance measuring sensor 307 are located at the same height, the first limiting plate 308 is arranged below the first distance measuring sensor 306, the second limiting plate is arranged below the second distance measuring sensor 307, the first limiting plate 308 and the second limiting plate are mounted on the coating mounting frame 301, and the first limiting plate 308 and the second limiting plate are located at the same height.

[0037] Specifically, in the structure, the first servo lifting module 304 and the second servo lifting module 305 drive the coating head mounting plate 302 to move up and down at the same time, the first distance measuring sensor 306 can detect the distance to the first limiting plate 308, the second distance measuring sensor 307 can detect the distance to the second limiting plate, when the distance data detected by the two sensors are the same, it represents that the coating die head 303 is in a horizontal state at this time, and when the distance data detected by the two sensors are different, it represents that the coating die head 303 is inclined at this time, and manual adjustment is required.

[0038] In the structure, the first servo lifting module 304 and the second servo lifting module 305 can ensure the stability of the coating die head 303 when moving up and down, and in the structure, the first distance measuring sensor 306 and the second distance measuring sensor 307 can be arranged to detect the parallelism of the coating die head 303, so as to ensure the flatness during coating operation.

[0039] In the embodiment, the blow-drying assembly 4 comprises a blow-drying frame 401, a wind knife 402 mounting frame is arranged below the blow-drying frame 401, the wind knife 402 is mounted on the wind knife 402 mounting frame, a height adjusting assembly 403 is arranged between the wind knife 402 mounting frame and the blow-drying frame 401, and a guide rod 404 is arranged between the wind knife 402 mounting frame and the blow-drying frame 401.

[0040] The wind knife 402 mounting frame comprises a first frame body 405 and a second frame body 406, the first frame body 405 is adjustably connected with the blow-drying frame 401, the second frame body 406 comprises mounting plates located on both sides, first mounting holes are arranged on the mounting plates, arc-shaped holes 407 matched with the first mounting holes are arranged on the first frame body 405, and the first frame body 405 and the second frame body 406 are adjustably connected through bolts.

[0041] The bottom of the blow-drying frame 401 is provided with a fixed installation in the linear guide rail 408, and the bottom of the blow-drying frame 401 is slidably connected with the linear guide rail 408 through a sliding block, and one side of the sliding block is provided with a sliding block fixing piece 409 for fixing the sliding block on the sliding rail.

[0042] Specifically, the height adjusting assembly 403 can be a lifting lead screw, and the driving end of the lifting lead screw is installed with a motor or a hand wheel.

[0043] Specifically, when the product moves below the air knife 402, the compressed air blown out of the air knife 402 can make the slurry coated on the surface of the product quickly crystallize, in order to make the air outlet of the air knife 402 be at the best position, the position and angle of the air knife 402 can be adjusted, specifically, when the height of the air knife 402 is adjusted, the height of the air knife 402 mounting frame is adjusted through the height adjusting device, when the angle of the air knife 402 needs to be adjusted, the bolts between the first frame body 405 and the second frame body 406 are loosened, the angle of the first frame body 405 relative to the first frame body 405 is adjusted, when the air knife 402 is adjusted to the appropriate angle, the first frame body 405 and the second frame body 406 are fixed through the bolts, and then the angle adjustment operation is completed, when the position of the air knife 402 needs to be adjusted, the sliding block fixing piece 409 is loosened, so that the blow-drying frame 401 can slide along the linear guide rail 408, when the blow-drying machine slides to the specified position, the sliding block is fixed through the sliding block fixing piece 409, and then all the adjustment operations are completed.

[0044] In the structure, the setting of the air knife 402 can make the perovskite slurry coated on the substrate quickly form, and through the position, height and angle adjustment of the air knife 402, the air drying operation on the product at the best position can be realized.

[0045] In the embodiment, the second liquid receiving frame 505 is arranged at the tail end of the suction platform 5.

[0046] Specifically, when the product completes coating and moves below the air knife 402 for air drying operation, at this time, the second liquid receiving frame 505 is located below the coating die head 303, so that the excess coating slurry can drop into the second liquid receiving frame 505, and then the excess slurry can be collected, preventing the excess slurry in the coating head from dropping into the linear module 2 and affecting the work of the linear module 2.

[0047] The above specific embodiments further illustrate the purpose, technical scheme and advantages of the utility model, and it should be understood that the above description is only a specific embodiment of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A plate coater characterized by: The application relates to a coating machine, which comprises a rack (1) provided with a linear module (2), a coating assembly (3) and a blow-drying assembly (4) arranged in sequence along the movement direction of the linear module (2), a suction platform (5) for fixing products is arranged on the driving part of the linear module (2), and a liquid detection assembly is arranged at the front end of the suction platform (5). The liquid detection assembly comprises a first liquid receiving frame (501) fixed at the front end of the suction platform (5), and an electric liquid receiving roller (502) is rotatably connected in the first liquid receiving frame (501).

2. The flat bed coater of claim 1, wherein: The suction platform (5) comprises a platform body (503), a plurality of vacuum suction ports are arranged on the platform body (503), and a third limiting plate (504) for limiting products is arranged at the end of the platform body (503).

3. The flat bed coater of claim 2, wherein: The third limiting plate (504) is in a C-shaped structure.

4. The flat bed coater of claim 1, wherein: The coating assembly (3) comprises a coating mounting frame (301), a coating head mounting plate (302) and a lifting driving mechanism for driving the coating head mounting plate (302) to perform lifting movement are arranged on the coating mounting frame (301), a coating die head (303) is arranged on the coating head mounting plate (302), and a liquid bottle and a syringe pump for supplying liquid to the coating die head (303) are arranged on the rack (1).

5. The plate applicator of claim 4, wherein: The lifting driving mechanism comprises a first servo lifting module (304) and a second servo lifting module (305), the driving ends of the first servo lifting module (304) and the second servo lifting module (305) are connected with the two ends of the coating head mounting plate (302) respectively, a first distance measuring sensor (306) and a second distance measuring sensor (307) are arranged on the coating head mounting plate (302) respectively, the first distance measuring sensor (306) and the second distance measuring sensor (307) are located at the same height, a first limiting plate (308) is arranged below the first distance measuring sensor (306), a second limiting plate is arranged below the second distance measuring sensor (307), the first limiting plate (308) and the second limiting plate are installed on the coating mounting frame (301), and the first limiting plate (308) and the second limiting plate are located at the same height.

6. The flat bed coater of claim 1, wherein: The blow-drying assembly (4) comprises a blow-drying frame (401), a wind knife (402) mounting frame is arranged below the blow-drying frame (401), the wind knife (402) mounting frame is provided with a height adjusting assembly (403) between the wind knife (402) mounting frame and the blow-drying frame (401), and a guide rod (404) is arranged between the wind knife (402) mounting frame and the blow-drying frame (401).

7. The plate applicator of claim 6, wherein: The wind knife (402) mounting frame comprises a first frame body (405) and a second frame body (406), the first frame body (405) is adjustably connected with the blow-drying frame (401), the second frame body (406) comprises mounting plates located at two sides, the mounting plates are provided with first mounting holes, the first frame body (405) is provided with an arc-shaped hole (407) matched with the first mounting holes, and the first frame body (405) and the second frame body (406) are adjustably connected through bolts.

8. The flat bed coater of claim 6, wherein: The bottom of the blow-drying frame (401) is provided with a linear guide rail (408) fixedly installed, and the bottom of the blow-drying frame (401) is slidably connected with the linear guide rail (408) through a sliding block, and one side of the sliding block is provided with a sliding block fixing piece (409) for fixing the sliding block on the sliding rail.

9. The flat bed coater of claim 1, wherein: The tail end of the suction platform (5) is provided with a second liquid receiving frame (505).

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