Film wrapping equipment for blade battery

Abstract

The utility model provides film wrapping equipment for a blade battery. The film wrapping equipment comprises a box body frame, a first battery transmission mechanism, a second battery transmission mechanism, a first long side face wrapping mechanism, a front and back face wrapping mechanism, a battery turnover mechanism, a manipulator and a second long side face wrapping mechanism, the first long side face wrapping mechanism, the front and back face wrapping mechanism, the battery turnover mechanism and the second long side face wrapping mechanism are sequentially arranged on the upper end face of the box body frame from right to left; the first long side face wrapping mechanism and the front and back face wrapping mechanism are right opposite to the first battery conveying mechanism, and the battery turnover mechanism and the second long side face wrapping mechanism are right opposite to the second battery conveying mechanism. According to the film coating equipment for the blade battery, the problems that the film coating quality problem of the blade battery is prominent and the efficiency is low due to the fact that the film coating speed is low and the film coating quality cannot be guaranteed in a blade battery film coating technology in the related technology are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery coating, in particular to a coating device for blade batteries. Background Art

[0002] The blade batteries currently on the market have a small size and relatively long size, with the longest dimension reaching 600-800mm. This type of battery requires highly precise coating to ensure that there are no bubbles, wrinkles or uneven end faces. In addition, blade batteries are also required to maintain a consistent thickness to ensure the performance stability of the battery. Currently, most blade batteries on the market are coated manually. Due to the slow coating speed and the inability to guarantee the coating quality of the blade battery in the related technology, the coating quality problems of the blade battery are prominent and the efficiency is low. Summary of the invention

[0003] In view of this, the present invention aims to solve one of the related technical problems at least to a certain extent.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A film coating device for blade batteries, comprising a box frame, a first battery transmission mechanism, a second battery transmission mechanism, a first long side coating mechanism, a front and back coating mechanism, a battery flipping mechanism, a manipulator and a second long side coating mechanism;

[0006] The first bag length side mechanism, bag front and back mechanism, battery flip mechanism and second bag length side mechanism are arranged in sequence from right to left on the upper end surface of the box frame;

[0007] The first battery transmission mechanism and the second battery transmission mechanism are both arranged on the upper end surface of the box frame, the first package long side mechanism and the package front and back mechanism are directly opposite to the first battery transmission mechanism, and the battery flipping mechanism and the second package long side mechanism are directly opposite to the second battery transmission mechanism;

[0008] The conveying station of the first battery conveying mechanism and the conveying station of the second battery conveying mechanism are perpendicular to each other;

[0009] The manipulator is used to transfer the blade battery after being wrapped by the front and back wrapping mechanism to the battery flipping mechanism;

[0010] The battery flipping mechanism is used to flip the blade battery 180 degrees and then place it into the second battery transmission mechanism.

[0011] Furthermore, the first long side wrapping mechanism includes a first mounting bracket, a first lifting cylinder, a first film pressing roller and a first film cutting mechanism. The first lifting cylinder is arranged on the upper end surface of the box frame through the first mounting bracket. The first lifting cylinder presses the film covering the long side of the blade battery through the first film pressing roller. The first film cutting mechanism is used to cut the compressed film.

[0012] Furthermore, the front and back side wrapping mechanism includes a first mounting plate, a first battery lifting mechanism, two opposing sensors, two second film pressing rollers and a plurality of guide wheel structures, the first mounting plate is connected to the upper end surface of the box frame through a plurality of support columns, a notch is provided in the middle of the first mounting plate, the two opposing sensors are symmetrically arranged in the middle of the notch, the plurality of guide wheel structures are symmetrically arranged on both sides of the notch, the two second film pressing rollers are symmetrically arranged at the bottom of the notch, each of the second film pressing rollers is connected to the first mounting plate through an adjustable slide rail, and the first battery lifting mechanism is used to push the film-wrapped blade battery out of the notch.

[0013] Furthermore, the first battery lifting mechanism includes a second lifting cylinder, a push plate structure and two guide rods, the output end of the second lifting cylinder is connected to the push plate structure, and the push plate structure is connected to the two guide rods.

[0014] Furthermore, the battery flipping mechanism includes a support plate, two support frames, two rotating cylinders, two third lifting cylinders and two clamping cylinders. The two support frames are symmetrically arranged on the upper end surface of the support plate, and a third lifting cylinder is correspondingly arranged on each support frame. The output end of the third lifting cylinder is connected to one of the clamping cylinders through a rotating cylinder.

[0015] Furthermore, the second long side package mechanism includes a roller long side bracket, a long side folding mechanism, a long side rubber roller mechanism, two battery positioning mechanisms and two support rods. The long side folding mechanism and the long side rubber roller mechanism are symmetrically arranged on the roller long side bracket. The roller long side bracket is connected to the upper end surface of the box frame through two support rods. The long side folding mechanism and the long side rubber roller mechanism are both directly opposite to one of the battery positioning mechanisms.

[0016] Furthermore, it also includes a cutting mechanism, a roller short side mechanism, a roller long side mechanism and three battery top positioning mechanisms, the cutting mechanism, the roller short side mechanism, and the roller long side mechanism are arranged from right to left on the right side of the second package long side mechanism, the cutting mechanism, the roller short side mechanism, and the roller long side mechanism are all opposite to the second battery transmission mechanism, and the cutting mechanism, the roller short side mechanism, and the roller long side mechanism are each correspondingly installed with one of the battery top positioning mechanisms.

[0017] Furthermore, the cutting mechanism includes a second mounting plate, two upper film cutting mechanisms, two lower film cutting mechanisms, two first sliding bases, two second mounting brackets and two first transfer cylinders, the two first sliding bases are arranged on the upper end surface of the mounting plate, each of the mounting brackets is correspondingly connected to a first sliding base for sliding, the first transfer cylinder is used to push the mounting bracket to slide, and each of the mounting brackets is correspondingly provided with an upper film cutting mechanism and a lower film cutting mechanism.

[0018] Furthermore, the roller short side mechanism includes a third mounting plate, two upper folding mechanisms, two lower folding mechanisms, two second sliding bases, two first battery positioning blocks, two third mounting brackets and two second transfer cylinders, the two second sliding bases are symmetrically arranged on the upper end surface of the third mounting plate, each of the third mounting brackets is correspondingly connected to a second sliding base for sliding connection, the second transfer cylinder is used to push the third mounting bracket to slide, and each of the third mounting brackets is correspondingly provided with a first battery positioning block, an upper folding mechanism and a lower folding mechanism.

[0019] Furthermore, the roller long side mechanism includes a fourth mounting plate, two third sliding bases, two third transfer cylinders, two fourth mounting brackets, four side folding mechanisms and two second battery positioning blocks, the two third sliding bases are symmetrically arranged on the upper end surface of the fourth mounting plate, each of the fourth mounting brackets is correspondingly connected to a third sliding base for sliding connection, the third transfer cylinder is used to push the fourth mounting bracket to slide, and each of the fourth mounting brackets is correspondingly provided with a second battery positioning block and two side folding mechanisms.

[0020] Compared with the prior art, the coating device for blade batteries described in the present invention has the following advantages:

[0021] The utility model describes a coating device for blade batteries, which changes the original technical process of blade battery coating. Since the blade battery is relatively long, reaching 600-800mm, and relatively narrow in height, about 100-200mm. Therefore, we changed the battery coating posture. When wrapping the large surfaces on both sides, the battery is placed in a vertical downward position, and the movement direction of the battery is from bottom to top for coating. By changing the battery coating posture and optimizing the design of technical processes, bubbles and wrinkles can be effectively avoided during the battery coating process, greatly improving the coating quality. In addition, the entire equipment has a simple structural design, good action continuity, and high efficiency, which can meet customer requirements for coating efficiency. At the same time, the equipment is compatible with blade batteries of different specifications and sizes, which greatly improves the coating effect of the battery and enhances the safety and life of the blade battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of a coating device for blade batteries according to an embodiment of the utility model;

[0024] Figure 2 This is a schematic diagram of the first package long side mechanism structure according to an embodiment of the utility model;

[0025] Figure 3 A side view of a plurality of guide wheel structures according to an embodiment of the utility model;

[0026] Figure 4 It is a three-dimensional schematic diagram of a plurality of guide wheel structures according to an embodiment of the utility model;

[0027] Figure 5 It is a side view of the front and back packaging mechanism structure of the embodiment of the utility model;

[0028] Figure 6 It is a front view of the front and back structure of the bag according to the embodiment of the utility model;

[0029] Figure 7 It is a three-dimensional structural diagram of the front and back side mechanism structure of the bag according to the embodiment of the utility model;

[0030] Figure 8 This is a schematic diagram of the battery flipping mechanism structure according to an embodiment of the utility model;

[0031] Fig. 9 A side view of the battery flipping mechanism structure according to an embodiment of the utility model;

[0032] Fig.10 This is a schematic diagram of the three-dimensional structure of the battery flipping mechanism according to an embodiment of the utility model;

[0033] Fig.11 This is a schematic diagram of the structure of the second package length side mechanism according to an embodiment of the utility model;

[0034] Fig.12 This is a schematic diagram of the structure of the incision mechanism according to an embodiment of the utility model;

[0035] Fig.13 This is a schematic diagram of the structure of the roller short side mechanism according to an embodiment of the utility model;

[0036] Fig.14 This is a schematic diagram of the structure of the roller long side mechanism described in an embodiment of the utility model.

[0037] Description of reference numerals:

[0038] 100, box frame; 110, manipulator; 200, first battery transmission mechanism; 210, second battery transmission mechanism; 220, loading station; 300, unwinding station; 400, first package length side mechanism; 410, first mounting bracket; 420, first lifting cylinder; 430, first film pressing roller; 500, package front and back mechanism; 510, guide roller; 520, roller mounting plate; 530, second film pressing roller; 540, adjustable slide rail; 550, support column; 560, through-beam sensor; 580, blade battery; 590, second lifting cylinder; 591, horizontal plate; 592, battery push plate; 593, guide rod; 600, battery flip mechanism; 610, support plate; 620, support frame; 630, rotating cylinder; 640, clamping cylinder; 650, first Three lifting cylinders; 700, second bag length side mechanism; 710, battery positioning mechanism; 720, third film pressing roller; 721, first pushing cylinder; 730, battery folding block; 731, second pushing cylinder; 740, fourth lifting cylinder; 750, roller long side bracket; 760, support rod; 800, roller short side mechanism; 810, third mounting bracket; 820, second transfer cylinder; 830, upper folding mechanism; 831, lower folding mechanism; 840, third mounting plate; 850, cutting mechanism; 851, first transfer cylinder; 852, lower film cutting mechanism; 853, second mounting bracket; 854, upper film cutting mechanism; 900, roller long side mechanism; 910, third transfer cylinder; 920, fourth mounting bracket; 930, side folding mechanism; 940, fourth mounting plate. DETAILED DESCRIPTION

[0039] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0040] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are 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 cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it 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 a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0042] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0043] A coating device for blade batteries, such as Figure 1 As shown, it includes a box frame 100, a first battery transmission mechanism 200, a second battery transmission mechanism 210, a first package length side mechanism 400, a package front and back mechanism 500, a battery flip mechanism 600, a robot 110 and a second package length side mechanism 700; the first package length side mechanism 400, the package front and back mechanism 500, the battery flip mechanism 600 and the second package length side mechanism 700 are arranged in sequence from right to left on the upper end surface of the box frame 100; the first battery transmission mechanism 200 and the second battery transmission mechanism 210 are both arranged on the upper end surface of the box frame 100, A package long side mechanism 400 and a package front and back mechanism 500 are opposite to the first battery transmission mechanism 200, and a battery flipping mechanism 600 and a second package long side mechanism 700 are opposite to the second battery transmission mechanism 210; the conveying station of the first battery transmission mechanism 200 and the conveying station of the second battery transmission mechanism 210 are perpendicular to each other; the manipulator 110 is used to transfer the blade battery 580 after being wrapped by the package front and back mechanism 500 to the battery flipping mechanism 600; the battery flipping mechanism 600 is used to flip the blade battery 580 180° and place it on the second battery transmission mechanism 210.

[0044] The first long side wrapping mechanism 400 includes a first mounting bracket 410, a first lifting cylinder 420, a first film pressing roller 430 and a first film cutting mechanism. The first lifting cylinder 420 is arranged on the upper end surface of the box frame 100 through the first mounting bracket 410. The first lifting cylinder 420 presses the film covering the long side of the blade battery 580 through the first film pressing roller 430. The first film cutting mechanism is used to cut the compressed film.

[0045] like Figure 2-7As shown, the front and back packaging mechanism 500 includes a first mounting plate, a first battery lifting mechanism, two opposing sensors 560, two second film pressing rollers 530 and a plurality of guide wheel structures. The first mounting plate is connected to the upper end surface of the box frame 100 through a plurality of support columns 550. A notch is provided in the middle of the first mounting plate. The two opposing sensors 560 are symmetrically arranged in the middle of the notch. The plurality of guide wheel structures are symmetrically arranged on both sides of the notch. The two second film pressing rollers 530 are symmetrically arranged at the bottom of the notch. Each second film pressing roller 530 is connected to the first mounting plate through an adjustable slide rail 540. The first battery lifting mechanism is used to push the blade battery 580 with the film inside the notch. The guide wheel structure includes a roller mounting plate 520 and a plurality of guide rollers 510. The plurality of guide rollers 510 are arranged on the inner end surface of the roller mounting plate 520.

[0046] The first battery lifting mechanism includes a second lifting cylinder 590, a push plate structure and two guide rods 593. The output end of the second lifting cylinder 590 is connected to the push plate structure, and the push plate structure is connected to the two guide rods 593. The push plate structure includes a transverse plate 591 and two battery push plates 592. The two battery push plates 592 are symmetrically arranged on the upper end surface of the transverse plate 591. The second lifting cylinder 590 pushes the middle part of the transverse plate 591.

[0047] like Figure 8-9 As shown, the battery flipping mechanism 600 includes a support plate 610, two support frames 620, two rotating cylinders 630, two third lifting cylinders 650 and two clamping cylinders 640. The two support frames 620 are symmetrically arranged on the upper end surface of the support plate 610. A third lifting cylinder 650 is correspondingly arranged on each support frame 620, and the output end of the third lifting cylinder 650 is connected to a clamping cylinder 640 through a rotating cylinder 630.

[0048] The second long side package mechanism 700 includes a roller long side bracket 750, a long side folding mechanism, a long side rubber roller mechanism, two battery positioning mechanisms 710 and two support rods 760. The long side folding mechanism and the long side rubber roller mechanism are symmetrically arranged on the roller long side bracket 750. The roller long side bracket 750 is connected to the upper end surface of the box frame 100 through two support rods 760. The long side folding mechanism and the long side rubber roller mechanism are both directly opposite to a battery positioning mechanism 710.

[0049] The long side folding mechanism 930 includes a fourth lifting cylinder 740, a fifth mounting bracket, a second pushing cylinder 731, and a battery folding block 730. The fourth lifting cylinder 740 is used to push the fifth mounting bracket to vertically lift and lower. The second pushing cylinder 731 is arranged on the fifth mounting bracket. The battery folding block 730 is connected to the output end of the second pushing cylinder 731.

[0050] The long side rubber roller mechanism includes a fifth lifting cylinder, a sixth mounting bracket, a first pushing cylinder 721, and a third film pressing roller 720. The fifth lifting cylinder is used to push the sixth mounting bracket to vertically lift and lower. The first pushing cylinder 721 is arranged on the fifth mounting bracket. The third film pressing roller 720 is connected to the output end of the first pushing cylinder 721.

[0051] In this embodiment, it also includes a notch mechanism 850, a roller short side mechanism 800, a roller long side mechanism 900 and three battery top positioning mechanisms. The notch mechanism 850, the roller short side mechanism 800, and the roller long side mechanism 900 are arranged from right to left on the right side of the second package long side mechanism 700. The notch mechanism 850, the roller short side mechanism 800, and the roller long side mechanism 900 are all directly opposite to the second battery transmission mechanism 210. The notch mechanism 850, the roller short side mechanism 800, and the roller long side mechanism 900 are each correspondingly installed with a battery top positioning mechanism. The battery positioning mechanism 710 and the battery top positioning mechanism are both existing.

[0052] like Fig.12 As shown, the cutting mechanism 850 includes a second mounting plate, two upper film cutting mechanisms 854, two lower film cutting mechanisms 852, two first sliding bases, two second mounting brackets 853 and two first transfer cylinders 851. The two first sliding bases are arranged on the upper end surface of the mounting plate, and each mounting bracket is correspondingly connected to a first sliding base for sliding. The first transfer cylinder 851 is used to push the mounting bracket to slide, and an upper film cutting mechanism 854 and a lower film cutting mechanism 852 are correspondingly arranged on each mounting bracket.

[0053] like Fig.13 As shown, the roller short side mechanism 800 includes a third mounting plate 840, two upper folding mechanisms 830, two lower folding mechanisms 831, two second sliding bases, two first battery positioning blocks, two third mounting brackets 810 and two second transfer cylinders 820. The two second sliding bases are symmetrically arranged on the upper end surface of the third mounting plate 840, and each third mounting bracket 810 is correspondingly connected to a second sliding base for sliding. The second transfer cylinder 820 is used to push the third mounting bracket 810 to slide, and each third mounting bracket 810 is correspondingly provided with a first battery positioning block, an upper folding mechanism 830 and a lower folding mechanism 831.

[0054] like Fig.14As shown, the roller side mechanism 900 includes a fourth mounting plate 940, two third sliding bases, two third transfer cylinders 910, two fourth mounting brackets 920, four side folding mechanisms 930 and two second battery positioning blocks. The two third sliding bases are symmetrically arranged on the upper end surface of the fourth mounting plate 940, and each fourth mounting bracket 920 is correspondingly connected to a third sliding base for sliding connection. The third transfer cylinder 910 is used to push the fourth mounting bracket 920 to slide, and each fourth mounting bracket 920 is correspondingly provided with a second battery positioning block and two side folding mechanisms 930.

[0055] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A coating device for blade batteries, characterized in that: The invention comprises a box frame (100), a first battery transmission mechanism (200), a second battery transmission mechanism (210), a first package length side mechanism (400), a package front and back mechanism (500), a battery flipping mechanism (600), a manipulator (110) and a second package length side mechanism (700); the first package length side mechanism (400), the package front and back mechanism (500), the battery flipping mechanism (600) and the second package length side mechanism (700) are arranged in sequence from right to left on the upper end surface of the box frame (100); the first battery transmission mechanism (200) and the second battery transmission mechanism (210) are both arranged on the upper end surface of the box frame (100); the first package length side mechanism (400) and the package front and back mechanism (500) are directly opposite to the first battery transmission mechanism (200); the battery flipping mechanism (600) and the second package length side mechanism (700) are directly opposite to the second battery transmission mechanism (210); The conveying station of the first battery conveying mechanism (200) and the conveying station of the second battery conveying mechanism (210) are perpendicular to each other; The robot (110) is used to transfer the blade battery (580) coated by the front and back surface coating mechanism (500) to the battery flipping mechanism (600); The battery flipping mechanism (600) is used to flip the blade battery (580) by 180 degrees and then place it on the second battery transmission mechanism (210).

2. The coating device for blade batteries according to claim 1, characterized in that: The first long side wrapping mechanism (400) includes a first mounting bracket (410), a first lifting cylinder (420), a first film pressing roller (430) and a first film cutting mechanism. The first lifting cylinder (420) is arranged on the upper end surface of the box frame (100) through the first mounting bracket (410). The first lifting cylinder (420) presses the film covering the long side of the blade battery (580) through the first film pressing roller (430). The first film cutting mechanism is used to cut the compressed film.

3. The coating device for blade batteries according to claim 1, characterized in that: The front and back wrapping mechanism (500) comprises a first mounting plate, a first battery lifting mechanism, two opposing sensors (560), two second film pressing rollers (530) and a plurality of guide wheel structures, wherein the first mounting plate is connected to the upper end surface of the box frame (100) via a plurality of support columns (550), a notch is provided in the middle of the first mounting plate, the two opposing sensors (560) are symmetrically arranged in the middle of the notch, the plurality of guide wheel structures are symmetrically arranged on both sides of the notch, the two second film pressing rollers (530) are symmetrically arranged at the bottom of the notch, each of the second film pressing rollers (530) is connected to the first mounting plate via an adjustable slide rail (540), and the first battery lifting mechanism is used to push the film-wrapped blade battery (580) out of the notch.

4. The coating device for blade batteries according to claim 3, characterized in that: The first battery lifting mechanism comprises a second lifting cylinder (590), a push plate structure and two guide rods (593); the output end of the second lifting cylinder (590) is connected to the push plate structure, and the push plate structure is connected to the two guide rods (593).

5. The coating device for blade batteries according to claim 1, characterized in that: The battery flipping mechanism (600) comprises a support plate (610), two support frames (620), two rotating cylinders (630), two third lifting cylinders (650) and two clamping cylinders (640); the two support frames (620) are symmetrically arranged on the upper end surface of the support plate (610); a third lifting cylinder (650) is correspondingly arranged on each support frame (620); and the output end of the third lifting cylinder (650) is connected to one of the clamping cylinders (640) via a rotating cylinder (630).

6. A coating device for blade batteries according to any one of claims 1 to 5, characterized in that: The second long side package mechanism (700) comprises a roller long side bracket (750), a long side folding mechanism, a long side rubber roller mechanism, two battery positioning mechanisms (710) and two support rods (760); the long side folding mechanism and the long side rubber roller mechanism are symmetrically arranged on the roller long side bracket (750); the roller long side bracket (750) is connected to the upper end surface of the box frame (100) through two support rods (760); the long side folding mechanism and the long side rubber roller mechanism are both directly opposite to one of the battery positioning mechanisms (710).

7. The coating device for blade batteries according to claim 6, characterized in that: The invention also comprises a notch mechanism (850), a roller short side mechanism (800), a roller long side mechanism (900) and three battery top positioning mechanisms. The notch mechanism (850), the roller short side mechanism (800) and the roller long side mechanism (900) are arranged from right to left on the right side of the second package long side mechanism (700). The notch mechanism (850), the roller short side mechanism (800) and the roller long side mechanism (900) are all directly opposite to the second battery transmission mechanism (210). The notch mechanism (850), the roller short side mechanism (800) and the roller long side mechanism (900) are each correspondingly installed with one of the battery top positioning mechanisms.

8. The coating device for blade batteries according to claim 7, characterized in that: The cutting mechanism (850) includes a second mounting plate, two upper film cutting mechanisms (854), two lower film cutting mechanisms (852), two first sliding bases, two second mounting brackets (853) and two first transfer cylinders (851). The two first sliding bases are arranged on the upper end surface of the mounting plate. Each mounting bracket is correspondingly connected to a first sliding base in a sliding manner. The first transfer cylinder (851) is used to push the mounting bracket to slide. Each mounting bracket is correspondingly provided with an upper film cutting mechanism (854) and a lower film cutting mechanism (852).

9. The coating device for blade batteries according to claim 7, characterized in that: The roller short side mechanism (800) includes a third mounting plate (840), two upper folding mechanisms (830), two lower folding mechanisms (831), two second sliding bases, two first battery positioning blocks, two third mounting brackets (810) and two second transfer cylinders (820). The two second sliding bases are symmetrically arranged on the upper end surface of the third mounting plate (840). Each of the third mounting brackets (810) is correspondingly connected to a second sliding base in a sliding manner. The second transfer cylinder (820) is used to push the third mounting bracket (810) to slide. Each of the third mounting brackets (810) is correspondingly provided with a first battery positioning block, an upper folding mechanism (830) and a lower folding mechanism (831).

10. The coating device for blade batteries according to claim 7, characterized in that: The roller long side mechanism (900) includes a fourth mounting plate (940), two third sliding bases, two third transfer cylinders (910), two fourth mounting brackets (920), four side folding mechanisms (930) and two second battery positioning blocks. The two third sliding bases are symmetrically arranged on the upper end surface of the fourth mounting plate (940), and each of the fourth mounting brackets (920) is correspondingly connected to a third sliding base in a sliding manner. The third transfer cylinder (910) is used to push the fourth mounting bracket (920) to slide, and each of the fourth mounting brackets (920) is correspondingly provided with a second battery positioning block and two side folding mechanisms (930).

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