Perovskite coating assembly

Abstract

The utility model discloses a perovskite coating assembly which comprises a machine frame, a tension adjusting assembly is arranged at the front end of the machine frame, a coating roller is arranged on the machine frame, a coating roller driving motor used for driving the coating roller to rotate is arranged on one side of the coating roller, a coating die head is arranged above the coating roller, and the tension adjusting assembly is arranged at the front end of the machine frame. A gap allowing a product to pass through is formed between the coating roller and the coating die head, a die head adjusting assembly used for adjusting the horizontal position and the height position of the coating die head is further arranged on the rack, and the air knife assembly is arranged in the direction of the discharging end of the coating die head. A static electricity removing assembly is further arranged below the rack, so that a product firstly winds around the static electricity removing assembly and then penetrates through the space between the coating roller and the coating die head, the tension degree of the product during transportation can be guaranteed through the arrangement of the tension adjusting assembly in the structure, and the horizontal and vertical positions of the die head can be adjusted through the arrangement of the die head adjusting assembly; and the working stability of the die head is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coating, especially perovskite coating assembly. BACKGROUND

[0002] Perovskite solar cells have attracted much attention in recent years. In the manufacture of perovskite thin films, the protective film on the PET film must be peeled off first, and then perovskite slurry is applied on the PET film. Due to the large coating area, thin coating and low slurry viscosity, the coating process is full of challenges, and strict requirements are put forward for the accuracy of the coating equipment.

[0003] However, under the current technical level, the coating equipment cannot ensure the uniformity of each PET film during coating. SUMMARY

[0004] The technical problem solved by the utility model is to provide a perovskite coating assembly that ensures uniformity of coating.

[0005] The technical solution adopted by the utility model to solve its technical problem is: a perovskite coating assembly, comprising a rack, a tension adjusting assembly is arranged at the front end of the rack, a mounting seat is arranged on the rack, a coating roller is arranged on the mounting seat, a coating roller drive motor for driving the coating roller to rotate is arranged on one side of the coating roller, a coating die head is arranged above the coating roller, a gap for the product to pass through is arranged between the coating roller and the coating die head, a die head adjusting assembly for adjusting the horizontal position and height position of the coating die head is further arranged on the rack, and a air knife assembly is arranged in the direction of the discharge end of the coating die head.

[0006] A static electricity removing assembly is further arranged below the rack, so that the product passes around the static electricity removing assembly before passing through between the coating roller and the coating die head.

[0007] Further, the die head adjusting assembly comprises a first mounting frame, the bottom of both ends of the first mounting frame is slidingly connected with the rack, first and second drive air cylinders for driving both ends of the first mounting frame to move along the X-axis direction are arranged on both sides of the rack, first and second detection blocks are symmetrically arranged on both sides of the rack, first and second distance detection sensors that cooperate with the first and second detection blocks are symmetrically arranged on both ends of the first mounting frame.

[0008] A second mounting frame is further included, first and second lifting air cylinders for driving both ends of the second mounting frame to make lifting movement are arranged on both ends of the first mounting frame, third and fourth distance detection sensors are vertically arranged on both ends of the first mounting frame, respectively, and third and fourth detection blocks that cooperate with the third and fourth distance detection sensors are arranged on both ends of the first mounting frame.

[0009] Further, the first mounting frame is respectively provided with a first limiting mounting frame at two ends, a first limiting block is arranged on the first limiting mounting frame, the first limiting block is in sliding connection with the first limiting mounting frame, a limiting driving motor for driving the first limiting block to move along the X-axis direction is arranged on the first limiting mounting frame, a second limiting mounting frame is arranged on the second mounting frame, a second limiting block facing the first limiting block is arranged on the second limiting mounting frame, a first inclined surface structure is arranged on the surface of the first limiting block, and a second inclined surface structure matched with the first inclined surface structure is arranged on the bottom surface of the second limiting block.

[0010] Further, the first limiting block and the second limiting block are matched to limit the height of the die head, and the limiting height can be adjusted according to the actual product specification, so that the coating quality of products of various specifications is ensured.

[0011] Further, the first limiting block and the second limiting block are matched to limit the height of the die head, and the limiting height can be adjusted according to the actual product specification, so that the coating quality of products of various specifications is ensured.

[0012] Further, the first limiting block and the second limiting block are matched to limit the height of the die head, and the limiting height can be adjusted according to the actual product specification, so that the coating quality of products of various specifications is ensured.

[0013] The discharge end of the adjusting frame is provided with a tension detection roller.

[0014] The beneficial effects of the utility model are:

[0015] 1. The tension adjusting assembly in the structure can ensure the tension during product transportation, and the die head adjusting assembly can adjust the horizontal and vertical positions of the die head, so that the stability of the die head during work is ensured.

[0016] 2. The first limiting block and the second limiting block are matched to limit the height of the die head, and the limiting height can be adjusted according to the actual product specification, so that the coating quality of products of various specifications is ensured.

[0017] 3. The destaticizing assembly is arranged in the structure, so that the product surface can be destaticized before entering the coating operation, and the yield of the product during coating is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structural schematic diagram of the perovskite coating assembly of the embodiment of the present application.

[0019] Figure 2 The coating structure schematic diagram of the perovskite coating assembly of the embodiment of the present application.

[0020] Figure 3 The structural schematic diagram of the static electricity removing assembly of the perovskite coating assembly of the embodiment of the present application.

[0021] Figure 4 The structural schematic diagram of the tension adjusting assembly of the perovskite coating assembly of the embodiment of the present application.

[0022] The figure is marked as: rack 1, tension adjusting assembly 2, coating roller 3, coating die head 4, air knife assembly 5, first mounting frame 6, first driving cylinder 7, first detection block 8, first distance detection sensor 9, second mounting frame 10, first lifting cylinder 11, second lifting cylinder 12, fourth distance detection sensor 13, fourth detection block 14, first limit mounting frame 15, first limit block 16, limit driving motor 17, second limit mounting frame 18, second limit block 19, deionization fan 20, over roller 21, through hole 22, adjusting roller 23, aligning bearing 24, adjusting roller driving mechanism 25, adjusting frame 26, second guide roller 27, tension adjusting frame 28, rotating roller 29, rotating roller driving mechanism 30, tension adjusting roller 31, detection tension roller 32. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0024] As shown in Figure 1 The embodiment of the present application discloses a perovskite coating assembly, which comprises a rack 1, the front end of the rack 1 is provided with a tension adjusting assembly 2, a mounting seat is arranged on the rack 1, a coating roller 3 is arranged on the mounting seat, one side of the coating roller 3 is provided with a coating roller driving motor for driving the coating roller 3 to rotate, a coating die head 4 is arranged above the coating roller 3, a gap for the product to pass through is arranged between the coating roller 3 and the coating die head 4, a die head adjusting assembly for adjusting the horizontal position and the height position of the coating die head 4 is further arranged on the rack 1, and an air knife assembly 5 arranged in the direction of the discharge end of the coating die head 4 is further arranged.

[0025] A static electricity removing assembly is further arranged below the rack 1, so that the product passes around the static electricity removing assembly and then passes through between the coating roller 3 and the coating die head 4.

[0026] Specifically, the PET film is conveyed to the static electricity removing assembly after tension adjustment by the tension adjustment assembly 2, then passes between the coating roller 3 and the coating die 4, and when moving below the coating die 4, the coating die 4 performs perovskite slurry coating operation on the surface of the PET film, then the coated PET film moves below the air knife assembly 5, and under the rapid blowing and drying action of the air knife, the crystallization of the perovskite slurry is accelerated, and when the coating die 4 is unstable, the die adjusting assembly adjusts the coating die 4 to be level.

[0027] In the structure, the tension adjustment assembly 2 can ensure the tension degree during product transportation, and the die adjusting assembly can adjust the horizontal and vertical positions of the die to ensure the stability of the die during operation.

[0028] In the embodiment, the die adjusting assembly comprises a first mounting frame 6, the bottom of both ends of the first mounting frame 6 is slidably connected with the rack 1, the rack 1 is respectively provided with a first driving cylinder 7 and a second driving cylinder on both sides for driving both ends of the first mounting frame 6 to move along the X-axis direction, and the rack 1 is respectively and symmetrically provided with a first detection block 8 and a second detection block on both sides, and both ends of the first mounting frame 6 are respectively and symmetrically provided with a first distance detection sensor 9 and a second distance detection sensor matched with the first detection block 8 and the second detection block.

[0029] Further comprising a second mounting frame 10, the first mounting frame 6 is provided with a first lifting cylinder 11 and a second lifting cylinder 12 at both ends for driving both ends of the second mounting frame 10 to make lifting movement, the first mounting frame 6 is respectively and vertically provided with a third distance detection sensor and a fourth distance detection sensor 13 at both ends, and the first mounting frame 6 is respectively provided with a third detection block and a fourth detection block 14 matched with the third distance detection sensor and the fourth distance detection sensor 13.

[0030] Specifically, when adjusting, the first driving cylinder 7 and the second driving cylinder can respectively drive both ends of the first mounting frame 6 to move along the X-axis direction, and the first distance detection sensor 9 and the second distance detection sensor can detect the skewness of the first mounting frame 6, when the values detected by the first distance detection sensor 9 and the second distance detection sensor are the same, it represents that the first mounting frame 6 is level along the Y-axis direction at this time, if the values detected by the first distance detection sensor 9 and the second distance detection sensor are different, then the first driving cylinder 7 and the second driving cylinder are adjusted respectively until the first mounting frame 6 is horizontal, which represents that the coating die 4 is level along the Y-axis direction at this time, and similarly, the first lifting cylinder 11 and the second lifting cylinder 12 can respectively adjust the height of both ends of the second mounting frame 10 until the values detected by the third distance detection sensor and the fourth distance detection sensor 13 are equal, which represents that the height of both ends of the coating die 4 is level at this time.

[0031] The arrangement of the plurality of distance sensors can achieve detection of the flatness of the coating die 4 in the horizontal and vertical directions, and the arrangement of the two horizontal drive cylinders and the two lifting drive cylinders can respectively adjust the two ends of the die, thereby ensuring the flatness of the coating die 4 and the subsequent coating quality.

[0032] In the embodiment, the first mounting frame 6 is provided with a first limiting mounting frame 15 at each end, the first limiting mounting frame 15 is provided with a first limiting block 16, the first limiting block 16 is in sliding connection with the first limiting mounting frame 15, the first limiting mounting frame 15 is provided with a limiting drive motor 17 for driving the first limiting block 16 to move in the X-axis direction, and the second mounting frame 10 is provided with a second limiting mounting frame 18, the second limiting mounting frame 18 is provided with a second limiting block 19 facing the first limiting block 16, the surface of the first limiting block 16 is provided with a first inclined surface structure, and the bottom surface of the second limiting block 19 is provided with a second inclined surface structure matched with the first inclined surface structure.

[0033] Specifically, when the coating die 4 is controlled to drop to the working position, the coating die 4 cannot continue to drop when the first limiting block 16 abuts against the second limiting block 19, when it is necessary to adjust the drop limiting height of the coating die 4, the first limiting block 16 is driven by the limiting drive motor 17 to move in the X-axis direction, since the surface of the first limiting block 16 is an inclined surface structure, when the position of the first limiting block 16 is adjusted, the distance between the first limiting block 16 and the highest surface to the ground is adjusted, that is, the limiting height when the coating die 4 drops is adjusted.

[0034] In the structure, the cooperation of the first limiting block 16 and the second limiting block 19 can achieve limiting of the die height, and the limiting height can be adjusted according to the actual product specifications, thereby ensuring the coating quality of products of various specifications.

[0035] In the embodiment, the anti-static component includes a deionization fan 20, a plurality of over rollers 21 are arranged below the air outlet of the deionization fan 20, a perforation 22 is arranged below the coating roller 3 on the rack 1, an adjusting roller assembly is arranged below the coating roller 3, and a first guide roller is arranged between the adjusting roller assembly and the over rollers 21.

[0036] Specifically, when the PET film passes through the anti-static component, the PET film first passes through between the air outlet of the ionization fan and the plurality of over rollers 21, and then passes through the perforation 22 after bypassing the first guide roller and the adjusting roller assembly to enter between the coating roller 3 and the coating head for coating operation.

[0037] In the structure, the arrangement of the anti-static component can achieve anti-static treatment of the product surface before entering the coating operation, thereby ensuring the yield of the product during coating.

[0038] In the embodiment, the adjusting roller assembly comprises an adjusting roller 23, one end of the adjusting roller 23 is connected with the rack 1 through a self-aligning bearing 24, the other end of the adjusting roller 23 is horizontally slidably connected with the rack 1 along the X axis, and the other end of the adjusting roller 23 is provided with an adjusting roller driving mechanism 25 for driving the adjusting roller 23 to horizontally slide relative to the rack 1.

[0039] Specifically, when the PET film appears position deviation, the adjusting roller 23 is driven to horizontally move by the adjusting roller driving mechanism 25, and then the position of the PET film fed into the coating roller 3 is finely adjusted by adjusting the position of the adjusting roller 23.

[0040] In the structure, the PET film position can be adjusted by the adjusting roller 23, and then the subsequent coating quality is ensured.

[0041] In the embodiment, the tension adjusting assembly 2 comprises a section rack 26, a plurality of second guide rollers 27 are arranged on the adjusting rack 26, a tension adjusting rack 28 is arranged between the plurality of second guide rollers 27, a rotating roller 29 is fixedly connected to the upper end of the tension adjusting rack 28, the rotating roller 29 is rotatably connected to the tension adjusting rack 26 at both ends, a tension adjusting roller 31 is arranged at the lower end of the tension adjusting rack 28, and a rotating roller driving mechanism 30 for driving the rotating roller 29 to rotate is further arranged.

[0042] The discharging end of the adjusting rack 26 is provided with a detection tension roller 32.

[0043] Specifically, when the PET film is conveyed in the tension adjusting assembly 2, the PET film first passes through the first second guide roller 27, then passes through the tension adjusting roller 31, and then sequentially passes through the other second guide rollers 27 and the detection tension roller 32, when the detection tension roller 32 detects that the tension value of the PET film is not within the set range, the rotating roller driving mechanism 30 drives the rotating roller 29 to rotate, and then drives the tension adjusting roller 31 to swing, and then the tension of the PET film is adjusted.

[0044] In the structure, the tension of the product during transportation can be ensured by the setting of the tension adjusting assembly 2, and then the subsequent coating quality is ensured.

[0045] The above specific embodiments further specifically describe the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only for specific embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A perovskite coating assembly, characterized by: The utility model relates to a coating machine, including frame (1), frame (1) front end is provided with tension adjusting assembly (2), be provided with mounting seat on frame (1), be provided with coating roller (3) on mounting seat, one side of coating roller (3) is provided with the coating roller drive motor for driving coating roller (3) rotation, coating roller (3) top is provided with coating die head (4), and the gap for product is provided between coating roller (3) and coating die head (4) and passes through, frame (1) still is provided with the die head adjusting assembly for adjusting coating die head (4) horizontal position and height position, still include the air knife assembly (5) of coating die head (4) discharge end direction, Frame (1) below is also provided with static electricity removing assembly, so that product first around static electricity removing assembly and then from coating roller (3) and coating die head (4) between and pass through.

2. The perovskite coating assembly of claim 1, wherein: The die head adjusting assembly includes a first mounting frame (6), the bottom of both ends of the first mounting frame (6) is slidably connected with the frame (1), the frame (1) is provided with a first drive cylinder (7) and a second drive cylinder on both sides respectively for driving both ends of the first mounting frame (6) to move along the X-axis direction, the frame (1) is symmetrically provided with a first detection block (8) and a second detection block on both sides respectively, the first mounting frame (6) is symmetrically provided with a first distance detection sensor (9) and a second distance detection sensor on both ends respectively matched with the first detection block (8) and the second detection block. It further includes a second mounting frame (10), the first mounting frame (6) is provided with a first lifting cylinder (11) and a second lifting cylinder (12) on both ends for driving both ends of the second mounting frame (10) to move up and down, the first mounting frame (6) is vertically provided with a third distance detection sensor and a fourth distance detection sensor (13) on both ends respectively, the first mounting frame (6) is provided with a third detection block and a fourth detection block (14) on both ends respectively matched with the third distance detection sensor and the fourth distance detection sensor (13).

3. The perovskite-coated assembly of claim 2, wherein: The first mounting frame (6) is provided with a first limiting mounting frame (15) on both ends respectively, the first limiting mounting frame (15) is provided with a first limiting block (16), the first limiting block (16) is slidably connected with the first limiting mounting frame (15), the first limiting mounting frame (15) is provided with a limiting drive motor (17) for driving the first limiting block (16) to move along the X-axis direction, the second mounting frame (10) is provided with a second limiting mounting frame (18), the second limiting mounting frame (18) is provided with a second limiting block (19) towards the first limiting block (16), the first limiting block (16) is provided with a first inclined surface structure on the surface, the second limiting block (19) is provided with a second inclined surface structure matched with the first inclined surface structure on the bottom surface.

4. The perovskite coating assembly of claim 1, wherein: The destaticizing assembly comprises a deionizing fan (20), a plurality of over rollers (21) are arranged below the air outlet of the deionizing fan (20), a plurality of through holes (22) are arranged on the rack (1) below the coating roller (3), an adjusting roller assembly is arranged below the coating roller (3), and a first guide roller is arranged between the adjusting roller assembly and the over roller (21).

5. The perovskite coating assembly of claim 4, wherein: The adjusting roller assembly comprises an adjusting roller (23), one end of the adjusting roller (23) is connected with the rack (1) through a self-aligning bearing (24), the other end of the adjusting roller (23) is connected with the rack (1) in sliding mode along the X axis, and the other end of the adjusting roller (23) is provided with an adjusting roller driving mechanism (25) for driving the adjusting roller (23) to slide relative to the rack (1) in the horizontal direction.

6. The perovskite coating assembly of claim 1, wherein: The tension adjusting assembly (2) comprises an adjusting rack (26), a plurality of second guide rollers (27) are arranged on the adjusting rack (26), a tension adjusting rack (28) is arranged between the plurality of second guide rollers (27), a rotating roller (29) is fixedly connected to the upper end of the tension adjusting rack (28), the rotating roller (29) is rotatably connected to the tension adjusting rack (26) at both ends, a tension adjusting roller (31) is arranged at the lower end of the tension adjusting rack (28), and a rotating roller driving mechanism (30) for driving the rotating roller (29) to rotate is further arranged. A tension detecting roller (32) is arranged at the discharging end of the adjusting rack (26).

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