Flexible perovskite battery roll-to-roll printing equipment

Abstract

The invention provides flexible perovskite battery roll-to-roll printing equipment which comprises a box body, a printing mechanism, a film tearing device, a drying device, a discharging roller and a receiving roller are arranged at the top of the box body, the printing mechanism is arranged on one side of the box body, the drying device is arranged on the other side of the box body, and a first support and a second support are arranged on the box body. One end of the first support and one end of the second support are connected with the top of the box, the other end of the first support and the other end of the second support are connected with the drying device, a bearing platform extending outwards is arranged on the lower portion of the first support, a supporting plate is arranged at the top end of the box, one end of the discharging roller is connected with the bearing platform, and the other end of the discharging roller is connected with the supporting plate. The fixing plate is arranged on the upper portion of the first support, the first servo motor is arranged on one side of the fixing plate, the material collecting roller penetrates through the fixing plate to be connected with the driving end of the first servo motor, a film to be printed is driven by the first servo motor to pass through the printing mechanism and the drying device, winding is completed, operation is convenient, the printing effect is good, and the printing efficiency is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of printing equipment, and more specifically, relates to a flexible perovskite battery roll-to-roll printing device. Background Art

[0002] As a kind of printing technology, ink gravure printing occupies an extremely important position in the field of printing, packaging and graphic publishing due to its advantages of thick ink layer, bright colors, high saturation, high plate durability, stable print quality and fast printing speed. The current gravure printing machine generally includes a pressure roller, a printing roller, an ink tank, a scraper, etc., immersing a part of the plate cylinder in the ink, so that the ink is applied to the gravure plate surface of the plate cylinder during the rotation of the plate cylinder, and then the ink on the plate surface is printed on the substrate.

[0003] The existing patent authorization announcement number: CN 210161743 U discloses a film printing device, including a frame, a printing mechanism and a steering roller, wherein the printing mechanism is fixed on the frame, the printing mechanism includes a printing roller, and the printing roller is rotatably connected to the frame, the printing mechanism has two groups, when the film passes through the printing device, the two groups of printing mechanisms print the two sides of the film respectively, and the steering roller is located between the two groups of printing mechanisms and rotatably connected to the frame. The utility model has the effect of being able to print on both sides and having high printing efficiency.

[0004] However, in the prior art, the film needs to be placed in the printing device first, and then the film needs to be fed into the gap between the printing mechanism and the pressing mechanism little by little from one side, which makes the film feeding process cumbersome and the film is easily scratched. At the same time, the operation is not very convenient and the printing effect is not very good. Summary of the invention

[0005] Therefore, in order to solve the above technical problems, the present invention proposes a flexible perovskite battery roll-to-roll printing device, including a box body 10, the top of the box body 10 is provided with a printing mechanism 20, a film tearing device 30, a drying device 40, a feeding roller 50 and a receiving roller 60, the printing mechanism 20 is placed on one side of the box body 10, the drying device 40 is placed on the other side of the box body 10, the box body 10 is provided with a first bracket 70 and a second bracket 80, and one end of the first bracket 70 and the second bracket 80 is connected to the top of the box body 10, the other end of the first bracket 70 and the second bracket 80 is connected to the drying device 40, and the first bracket 70 and the second bracket 80 are connected to the drying device 40. 0 is provided with an outwardly extending carrying platform 90 at the lower part, a supporting plate 100 is provided at the top of the box body 10, one end of the unwinding roller 50 is connected to the carrying platform 90, and the other end is connected to the supporting plate 100, a fixing plate 110 is provided at the upper part of the first bracket 70, a first servo motor 120 is provided on one side of the fixing plate 110, the receiving roller 60 passes through the fixing plate 110 and is connected to the driving end of the first servo motor 120, driven by the first servo motor 120, the film to be printed passes through the printing mechanism 20 and the drying device 40 to complete the winding, which is convenient to operate, has a good printing effect, and improves the printing efficiency.

[0006] A flexible perovskite battery roll-to-roll printing device comprises a box 10, wherein a printing mechanism 20, a film tearing device 30, a drying device 40, a feeding roller 50 and a receiving roller 60 are arranged on the top of the box 10, wherein the printing mechanism 20 is arranged on one side of the box 10, and the drying device 40 is arranged on the other side of the box 10, wherein a first bracket 70 and a second bracket 80 are arranged on the box 10, and one end of the first bracket 70 and the second bracket 80 are connected to the top of the box 10, and the other end of the first bracket 70 and the second bracket 80 are connected to the drying device 40, and the first bracket 70 and the second bracket 80 are connected to the drying device 40, and the first bracket 70 and the second bracket 80 are connected to the drying device 40. 0 is provided with an outwardly extending carrying platform 90 at the lower part, a supporting plate 100 is provided at the top of the box body 10, one end of the unwinding roller 50 is connected to the carrying platform 90, and the other end is connected to the supporting plate 100, a fixing plate 110 is provided at the upper part of the first bracket 70, a first servo motor 120 is provided on one side of the fixing plate 110, the receiving roller 60 passes through the fixing plate 110 and is connected to the driving end of the first servo motor 120, and driven by the first servo motor 120, the film to be printed passes through the printing mechanism 20 and the drying device 40 to complete the winding.

[0007] Furthermore, a first groove 130 is provided at the top of the support plate 100, and a second groove 140 is provided on the carrying platform 90. One end of the discharge roller 50 is placed in the first groove 130, and the other end of the discharge roller 50 is placed in the second groove 140. The discharge roller 50 rotates in the first groove 130 and the second groove 140, which plays a limiting role and prevents the discharge roller 50 from deviating.

[0008] Furthermore, a limit block 150 is provided at the opening of the first groove 130 and the second groove 140 , and the limit block 150 is detachably connected to the support plate 100 and the bearing platform 90 for limiting the discharge roller 50 from detaching from the first groove 130 and the second groove 140 .

[0009] Furthermore, a receiving roller fixing seat 160 is provided on one side of the fixing plate 110, and one end of the receiving roller 60 is sleeved with the receiving roller fixing seat 160 and then connected to the driving end of the first servo motor 120 to ensure smooth rotation.

[0010] Furthermore, the printing mechanism 20 includes a gravure roller 201 and an embossing roller 202 , and an ink tank 203 disposed below the gravure roller 201 . The gravure roller 201 rotates in the ink tank 203 , and a support frame 170 is disposed below the ink tank 203 .

[0011] Furthermore, a mounting seat 180 is connected to both sides of the gravure roller 201 and the embossing roller 202, a base 190 is provided at the bottom of the mounting seat 180, a driving wheel and a driven wheel are provided in the mounting seat 180, both ends of the gravure roller 201 are connected to the driving end of the driving wheel, and both ends of the embossing roller 202 are connected to the driven wheel. When the power is turned off, a gap is left between the gravure roller 201 and the embossing roller 202. When the power is turned on, the driving wheel drives the driven wheel to move synchronously, and at the same time, the embossing roller 202 moves forward and abuts against the gravure roller 201.

[0012] Furthermore, a connecting plate 200 is provided on the first bracket 70 and the second bracket 80, and the connecting plate 200 is vertically connected to the first bracket 70 and the second bracket 80. Both sides of the connecting plate 200 are connected to the film tearing device 30 to tear off the protective film on the upper and lower surfaces of the film.

[0013] Furthermore, the film tearing device 30 includes a film tearing shaft 301 and a film tearing shaft fixing seat 302, the film tearing shaft fixing seat 302 is connected to the connecting plate 200, the film tearing shaft 301 is sleeved with the film tearing shaft fixing seat 302 and the connecting plate 200, and the film tearing shaft fixing seat 302 ensures rotation stability.

[0014] Furthermore, the film tearing device 30 includes a first film tearing device 303 and a second film tearing device 304, the first film tearing device 303 is used to tear off the protective film on the lower surface of the film, and the second film tearing device 304 is used to tear off the protective film on the upper surface of the film, the first film tearing device 303 and the second film tearing device 304 are connected to one side of the connecting plate 200, and the other side of the connecting plate 200 is provided with a second servo motor 210, a second driving wheel 220, a synchronous wheel 230 and a synchronous belt 240, the second driving wheel 220 is connected to the film tearing shaft 301 of the first film tearing device 303, the synchronous wheel 230 is connected to the film tearing shaft 301 of the second film tearing device 304, the second driving wheel 220 is connected to the synchronous wheel 230 through the synchronous belt 240, and the second servo motor 210 is connected to the second driving wheel 220, so that the first film tearing device 303 and the second film tearing device 304 rotate synchronously.

[0015] Furthermore, the film tearing shaft 301 is provided with a third groove 250 and a limiting clamping column 260 matching the third groove 250 , so as to increase the mutual force between the film tearing shaft 301 and the protective film.

[0016] Beneficial effects of the present invention: The present invention proposes a flexible perovskite battery roll-to-roll printing device, comprising a box body 10, wherein a printing mechanism 20, a film tearing device 30, a drying device 40, a feeding roller 50 and a receiving roller 60 are arranged on the top of the box body 10, wherein the printing mechanism 20 is arranged on one side of the box body 10, and the drying device 40 is arranged on the other side of the box body 10, wherein a first bracket 70 and a second bracket 80 are arranged on the box body 10, and one end of the first bracket 70 and the second bracket 80 are connected to the top of the box body 10, and the other end of the first bracket 70 and the second bracket 80 are connected to the drying device 40, and the first bracket 70 is provided with a first bracket 70. A carrying platform 90 extending outward is provided at the lower part, a support plate 100 is provided at the top of the box body 10, one end of the unwinding roller 50 is connected to the carrying platform 90, and the other end is connected to the support plate 100, a fixing plate 110 is provided at the upper part of the first bracket 70, a first servo motor 120 is provided on one side of the fixing plate 110, the receiving roller 60 passes through the fixing plate 110 and is connected to the driving end of the first servo motor 120, and driven by the first servo motor 120, the film to be printed passes through the printing mechanism 20 and the drying device 40 to complete the winding, which is easy to operate, has a good printing effect, and improves the printing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of a flexible perovskite battery roll-to-roll printing device of the present invention.

[0018] Figure 2This is a schematic diagram of the partial structure of a flexible perovskite battery roll-to-roll printing device of the present invention.

[0019] Figure 3 This is a partial enlarged view of the structure of a flexible perovskite battery roll-to-roll printing device of the present invention.

[0020] Figure 4 This is a schematic diagram of the partial structure of a flexible perovskite battery roll-to-roll printing device of the present invention.

[0021] Figure 5 This is a partial enlarged view of the structure of a flexible perovskite battery roll-to-roll printing device of the present invention.

[0022] Figure 6 This is a schematic diagram of the partial structure of a flexible perovskite battery roll-to-roll printing device of the present invention.

[0023] Figure 7 This is a partial enlarged view of the structure of a flexible perovskite battery roll-to-roll printing device of the present invention.

[0024] Figure 8 This is a schematic diagram of the partial structure of a flexible perovskite battery roll-to-roll printing device of the present invention.

[0025] Fig. 9 This is a partial enlarged view of the structure of a flexible perovskite battery roll-to-roll printing device of the present invention.

[0026] Description of main component symbols:

[0027] Box body 10, printing mechanism 20, gravure roller 201, embossing roller 202, ink tank 203, film tearing device 30, film tearing shaft 301, film tearing shaft fixing seat 302, first film tearing device 303, second film tearing device 304, drying device 40, unwinding roller 50, receiving roller 60, first bracket 70, second bracket 80, bearing platform 90, support plate 100, fixing plate 110, first servo motor 120, first groove 130, second groove 140, limiting block 150, receiving roller fixing seat 160, support frame 170, mounting seat 180, base 190, connecting plate 200, second servo motor 210, second driving wheel 220, synchronous wheel 230, synchronous belt 240, third groove 250, limiting column 260.

[0028] The following specific implementation manner will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0029] The following examples are described to assist the understanding of the present application, and the examples are not and should not be interpreted in any way as limiting the scope of protection of the present application.

[0030] In the following description, those skilled in the art will recognize that throughout this discussion, components may be described as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including within a single system or component).

[0031] At the same time, the connections between components or systems are not intended to be limited to direct connections, rather, the data between these components may be modified, reformatted, or otherwise changed by intermediate components. In addition, additional or fewer connections may be used. It should also be noted that the terms "coupled," "connected," or "input" should be understood to include direct connections, indirect connections through one or more intermediate devices, and wireless connections.

[0032] Example 1

[0033] like Figure 1 As shown, it is a front view of a flexible perovskite battery roll-to-roll printing device of the present invention; Figure 2 As shown, it is a schematic diagram of a partial structure of a flexible perovskite battery roll-to-roll printing device of the present invention; Figure 3 As shown, it is a partial enlarged view of the structure of a flexible perovskite battery roll-to-roll printing device of the present invention; Figure 4 As shown, it is a schematic diagram of a partial structure of a flexible perovskite battery roll-to-roll printing device of the present invention; Figure 5 As shown, it is a partial enlarged view of the structure of a flexible perovskite battery roll-to-roll printing device of the present invention; Figure 6 As shown, it is a schematic diagram of a partial structure of a flexible perovskite battery roll-to-roll printing device of the present invention; Figure 7 As shown, it is a partial enlarged view of the structure of a flexible perovskite battery roll-to-roll printing device of the present invention; Figure 8 As shown, it is a schematic diagram of a partial structure of a flexible perovskite battery roll-to-roll printing device of the present invention; Fig. 9 Shown is a partial enlarged view of the structure of a flexible perovskite battery roll-to-roll printing device of the present invention.

[0034] A flexible perovskite battery roll-to-roll printing device comprises a box 10, wherein a printing mechanism 20, a film tearing device 30, a drying device 40, a feeding roller 50 and a receiving roller 60 are arranged on the top of the box 10, wherein the printing mechanism 20 is arranged on one side of the box 10, and the drying device 40 is arranged on the other side of the box 10, wherein a first bracket 70 and a second bracket 80 are arranged on the box 10, and one end of the first bracket 70 and the second bracket 80 are connected to the top of the box 10, and the other end of the first bracket 70 and the second bracket 80 are connected to the drying device 40, and the first bracket 70 and the second bracket 80 are connected to the drying device 40, and the first bracket 70 and the second bracket 80 are connected to the drying device 40. 0 is provided with an outwardly extending carrying platform 90 at the lower part, a supporting plate 100 is provided at the top of the box body 10, one end of the unwinding roller 50 is connected to the carrying platform 90, and the other end is connected to the supporting plate 100, a fixing plate 110 is provided at the upper part of the first bracket 70, a first servo motor 120 is provided on one side of the fixing plate 110, the receiving roller 60 passes through the fixing plate 110 and is connected to the driving end of the first servo motor 120, and driven by the first servo motor 120, the film to be printed passes through the printing mechanism 20 and the drying device 40 to complete the winding.

[0035] A first groove 130 is provided at the top of the support plate 100, and a second groove 140 is provided on the carrying platform 90. One end of the discharge roller 50 is placed in the first groove 130, and the other end of the discharge roller 50 is placed in the second groove 140. The discharge roller 50 rotates in the first groove 130 and the second groove 140, which plays a limiting role and prevents the discharge roller 50 from deviating.

[0036] A limit block 150 is provided at the opening of the first groove 130 and the second groove 140 . The limit block 150 is detachably connected to the support plate 100 and the bearing platform 90 to limit the discharge roller 50 from being separated from the first groove 130 and the second groove 140 .

[0037] A receiving roller fixing seat 160 is disposed on one side of the fixing plate 110 , and one end of the receiving roller 60 is sleeved with the receiving roller fixing seat 160 and then connected to the driving end of the first servo motor 120 to ensure rotation stability.

[0038] The printing mechanism 20 includes a gravure roller 201 and a pressing roller 202 , and an ink tank 203 disposed below the gravure roller 201 . The gravure roller 201 rotates in the ink tank 203 , and a support frame 170 is disposed below the ink tank 203 .

[0039] A mounting seat 180 is connected to both sides of the gravure roller 201 and the embossing roller 202, a base 190 is provided at the bottom of the mounting seat 180, a driving wheel and a driven wheel are provided in the mounting seat 180, both ends of the gravure roller 201 are connected to the driving end of the driving wheel, and both ends of the embossing roller 202 are connected to the driven wheel. When the power is turned off, a gap is left between the gravure roller 201 and the embossing roller 202. When the power is turned on, the driving wheel drives the driven wheel to move synchronously, and at the same time, the embossing roller 202 moves forward and abuts against the gravure roller 201.

[0040] The first bracket 70 and the second bracket 80 are provided with a connecting plate 200, and the connecting plate 200 is vertically connected to the first bracket 70 and the second bracket 80. Both sides of the connecting plate 200 are connected to the film tearing device 30 to tear off the protective film on the upper and lower surfaces of the film.

[0041] The film tearing device 30 includes a film tearing shaft 301 and a film tearing shaft fixing seat 302. The film tearing shaft fixing seat 302 is connected to the connecting plate 200. The film tearing shaft 301 is sleeved with the film tearing shaft fixing seat 302 and the connecting plate 200. The film tearing shaft fixing seat 302 ensures stable rotation.

[0042] The film tearing device 30 includes a first film tearing device 303 and a second film tearing device 304. The first film tearing device 303 is used to tear off the protective film on the lower surface of the film, and the second film tearing device 304 is used to tear off the protective film on the upper surface of the film. The first film tearing device 303 and the second film tearing device 304 are connected to one side of the connecting plate 200. The other side of the connecting plate 200 is provided with a second servo motor 210, a second driving wheel 220, a synchronous wheel 230 and a synchronous belt 240. The second driving wheel 220 is connected to the film tearing shaft 301 of the first film tearing device 303, and the synchronous wheel 230 is connected to the film tearing shaft 301 of the second film tearing device 304. The second driving wheel 220 is connected to the synchronous wheel 230 through the synchronous belt 240. The second servo motor 210 is connected to the second driving wheel 220, so that the first film tearing device 303 and the second film tearing device 304 rotate synchronously.

[0043] The film tearing shaft 301 is provided with a third groove 250 and a limiting clamping column 260 matching the third groove 250 for increasing the mutual force between the film tearing shaft 301 and the protective film.

[0044] Beneficial effects of the present invention: The present invention proposes a flexible perovskite battery roll-to-roll printing device, comprising a box body 10, wherein a printing mechanism 20, a film tearing device 30, a drying device 40, a feeding roller 50 and a receiving roller 60 are arranged on the top of the box body 10, wherein the printing mechanism 20 is arranged on one side of the box body 10, and the drying device 40 is arranged on the other side of the box body 10, wherein a first bracket 70 and a second bracket 80 are arranged on the box body 10, and one end of the first bracket 70 and the second bracket 80 are connected to the top of the box body 10, and the other end of the first bracket 70 and the second bracket 80 are connected to the drying device 40, and the first bracket 70 is provided with a first bracket 70. A carrying platform 90 extending outward is provided at the lower part, a support plate 100 is provided at the top of the box body 10, one end of the unwinding roller 50 is connected to the carrying platform 90, and the other end is connected to the support plate 100, a fixing plate 110 is provided at the upper part of the first bracket 70, a first servo motor 120 is provided on one side of the fixing plate 110, the receiving roller 60 passes through the fixing plate 110 and is connected to the driving end of the first servo motor 120, and driven by the first servo motor 120, the film to be printed passes through the printing mechanism 20 and the drying device 40 to complete the winding, which is easy to operate, has a good printing effect, and improves the printing efficiency.

[0045] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A flexible perovskite battery roll-to-roll printing device, comprising a box (10), wherein a printing mechanism (20), a film tearing device (30), a drying device (40), a feeding roller (50) and a receiving roller (60) are arranged on the top of the box (10), characterized in that: The printing mechanism (20) is placed on one side of the box (10), and the drying device (40) is placed on the other side of the box (10). A first bracket (70) and a second bracket (80) are provided on the box (10), and one end of the first bracket (70) and the second bracket (80) are connected to the top of the box (10), and the other ends of the first bracket (70) and the second bracket (80) are connected to the drying device (40). The lower part of the first bracket (70) is provided with a bearing platform (90) extending outwards, and the top of the box (10) is provided with a supporting The plate (100) is provided with a first support plate (100), one end of the unwinding roller (50) is connected to the bearing platform (90), and the other end is connected to the supporting plate (100), a fixing plate (110) is provided on the upper part of the first support plate (70), a first servo motor (120) is provided on one side of the fixing plate (110), the receiving roller (60) passes through the fixing plate (110) and is connected to the driving end of the first servo motor (120), and driven by the first servo motor (120), the film to be printed passes through the printing mechanism (20) and the drying device (40) to complete the winding.

2. The flexible perovskite battery roll-to-roll printing device according to claim 1 is characterized in that: A first groove (130) is provided at the top of the support plate (100), and a second groove (140) is provided on the bearing platform (90). One end of the discharge roller (50) is placed in the first groove (130), and the other end of the discharge roller (50) is placed in the second groove (140). The discharge roller (50) rotates in the first groove (130) and the second groove (140), which plays a limiting role and prevents the discharge roller (50) from deviating.

3. The flexible perovskite battery roll-to-roll printing device according to claim 2 is characterized in that: A limit block (150) is provided at the opening of the first groove (130) and the second groove (140); the limit block (150) is detachably connected to the support plate (100) and the bearing platform (90) and is used to limit the discharge roller (50) from detaching from the first groove (130) and the second groove (140).

4. The flexible perovskite battery roll-to-roll printing device according to claim 1, characterized in that: A receiving roller fixing seat (160) is provided on one side of the fixing plate (110); one end of the receiving roller (60) is sleeved with the receiving roller fixing seat (160) and then connected to the driving end of the first servo motor (120) to ensure rotation stability.

5. The flexible perovskite battery roll-to-roll printing device according to claim 1, characterized in that: The printing mechanism (20) comprises a gravure roller (201) and a pressing roller (202), and an ink tank (203) arranged below the gravure roller (201); the gravure roller (201) rotates in the ink tank (203); and a support frame (170) is arranged below the ink tank (203).

6. The flexible perovskite battery roll-to-roll printing device according to claim 5, characterized in that: A mounting seat (180) is connected to both sides of the gravure roller (201) and the embossing roller (202); a base (190) is provided at the bottom of the mounting seat (180); a driving wheel and a driven wheel are provided inside the mounting seat (180); two ends of the gravure roller (201) are connected to the driving end of the driving wheel, and two ends of the embossing roller (202) are connected to the driven wheel; when the power is turned off, a gap is left between the gravure roller (201) and the embossing roller (202); when the power is turned on, the driving wheel drives the driven wheel to move synchronously, and at the same time, the embossing roller (202) moves forward to abut against the gravure roller (201).

7. The flexible perovskite battery roll-to-roll printing device according to claim 1, characterized in that: A connecting plate (200) is provided on the first bracket (70) and the second bracket (80), and the connecting plate (200) is vertically connected to the first bracket (70) and the second bracket (80), and film tearing devices (30) are connected to both sides of the connecting plate (200) to tear off the protective films on the upper and lower surfaces of the film.

8. The flexible perovskite battery roll-to-roll printing device according to claim 7, characterized in that: The film tearing device (30) comprises a film tearing shaft (301) and a film tearing shaft fixing seat (302), wherein the film tearing shaft fixing seat (302) is connected to the connecting plate (200), and the film tearing shaft (301) is sleeved with the film tearing shaft fixing seat (302) and the connecting plate (200).

9. The flexible perovskite battery roll-to-roll printing device according to claim 8, characterized in that: The film-tearing device (30) comprises a first film-tearing device (303) and a second film-tearing device (304), wherein the first film-tearing device (303) is used to tear off the protective film on the lower surface of the film, and the second film-tearing device (304) is used to tear off the protective film on the upper surface of the film, and the first film-tearing device (303) and the second film-tearing device (304) are connected to one side of the connecting plate (200), and the other side of the connecting plate (200) is provided with a second servo motor (210), a second driving wheel (220), a synchronous wheel (230) and a synchronous wheel (231). The second driving wheel (220) is connected to the film tearing shaft (301) of the first film tearing device (303), the synchronous wheel (230) is connected to the film tearing shaft (301) of the second film tearing device (304), the second driving wheel (220) is connected to the synchronous wheel (230) through the synchronous belt (240), and the second servo motor (210) is connected to the second driving wheel (220), so that the first film tearing device (303) and the second film tearing device (304) rotate synchronously.

10. The flexible perovskite battery roll-to-roll printing device according to claim 8, characterized in that: The film tearing shaft (301) is provided with a third groove (250), and a limiting clamping column (260) matching the third groove (250) is provided, which is used to increase the mutual force between the film tearing shaft (301) and the protective film.

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