Storage battery plate group film coating device
By designing an automated battery pole envelope device, using mechanical transmission and automated control, the problems of low efficiency and uneven film in the prior art are solved, and an efficient and automated envelope process is realized, reducing labor intensity and labor costs.
Patent Information
- Application Number
- CN202411608116.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-02-28
AI Technical Summary
In the prior art, the battery electrode envelope method relies on manual operation, resulting in low efficiency, different film lengths and high labor intensity, which increases employment costs.
A battery electrode envelope device is designed, including a support assembly, a first conveying assembly, a second conveying assembly, a film release assembly, a film cutting assembly and a barrier assembly, and automatically wrapping and cutting the film through mechanical conveying and automated control.
It improves the efficiency of the packaging of the battery electrode group, reduces the labor intensity of workers, avoids the problem of different lengths of the film, and reduces the cost of employment.
Smart Images
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Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of battery production, and in particular relates to a battery pole group coating device. Background Art
[0002] During the battery production process such as lamination and pole group assembly, the pole group is easily contaminated by dust accumulated on the platform, which not only affects the work efficiency, but also is related to the incidence of two important quality failures: poor soldering and short circuit of the internal battery plates. Therefore, a layer of protective film needs to be wrapped on the pole group.
[0003] In the prior art, the battery pole group coating method is still manually operated, which not only affects the coating efficiency of the battery pole group, but also has problems such as the length of the film on both sides of the pole group after the pole group is coated, and also increases the labor intensity and labor costs of workers. Therefore, it is urgent to study a battery pole group coating device to solve the above problems. Summary of the invention
[0004] The present invention provides a battery pole group coating device, the purpose of which is to solve the technical problems raised in the above-mentioned background technology.
[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:
[0006] The present invention is a battery pole group coating device, comprising a support component; a first conveying component and a second conveying component are installed side by side on the support component; the first conveying component is used to convey uncoated battery pole groups; the second conveying component is used to convey coated battery pole groups; a film conveying gap is formed between the first conveying component and the second conveying component; a film releasing component is installed above the first conveying component; a film cutting component is installed below the film releasing component; and a blocking component for causing a film in the film conveying gap to come into contact with the battery pole group is installed below the film cutting component.
[0007] As a preferred technical solution of the present invention, the support assembly includes a pair of first beams arranged horizontally side by side; support plates are vertically fixed to the opposite sides of the two first beams; and second beams parallel to the first beams are horizontally fixed to the upper edges of the two support plates.
[0008] As a preferred technical solution of the present invention, the first conveying assembly includes a pair of first rollers rotatably connected side by side between two first beams and a pair of second rollers rotatably connected side by side between two second beams, and the first rollers and the second rollers have opposite directions of rotation; the two first rollers are connected by a first conveyor belt transmission; the two second rollers are connected by a second conveyor belt transmission; the second conveyor belt is arranged above the first conveyor belt; and a battery pole group transmission space is formed between the first conveyor belt and the second conveyor belt.
[0009] As a preferred technical solution of the present invention, the second conveying assembly includes a pair of third rollers rotatably connected side by side between the two first beams and a pair of fourth rollers rotatably connected side by side between the two second beams, and the third rollers and the fourth rollers have opposite directions of rotation; the two third rollers are connected by a third conveyor belt transmission; the upper outer surface of the third conveyor belt is flush with the upper outer surface of the first conveyor belt; the two fourth rollers are connected by a fourth conveyor belt transmission; the upper outer surface of the fourth conveyor belt is flush with the upper outer surface of the second conveyor belt; the fourth conveyor belt is arranged above the third conveyor belt; and a battery pole group transmission space is formed between the third conveyor belt and the fourth conveyor belt.
[0010] As a preferred technical solution of the present invention, one end of the first roller is coaxially fixed on the output shaft of a first servo motor; the first servo motor is fixed on a first beam; one end of the other first roller is fixedly sleeved with a first pulley; the first pulley is connected to a second pulley through a synchronous belt drive; the second pulley is fixedly sleeved on one end of a third roller.
[0011] As a preferred technical solution of the present invention, one end of the fourth roller is coaxially fixed on the output shaft of a second servo motor; the second servo motor is fixed on a second beam; one end of the other fourth roller is fixedly sleeved with a third pulley; the third pulley is connected to the fourth pulley through a synchronous belt drive; the fourth pulley is fixedly sleeved on one end of a second roller.
[0012] As an optimal technical scheme of the present invention, the film releasing assembly includes a mounting plate vertically fixed on two second beams; a guide roller is horizontally arranged on one side of the mounting plate close to the second roller; a film conveying space is formed between the guide roller and the mounting plate; both ends of the guide roller are rotatably connected to a limiting block; the two limiting blocks are respectively fixed on the opposite side edges of the mounting plate; a bearing strip is horizontally arranged above the two limiting blocks; one end of the two bearing strips is vertically fixed on one side of the mounting plate close to the second roller; a film roller is rotatably connected between the other ends of the two bearing strips; the free end of the film on the film roller guides the film conveying space between the roller and the mounting plate, the gap between the second conveyor belt and the fourth conveyor belt, and the gap between the first conveyor belt and the third conveyor belt in turn; a fifth pulley is fixedly sleeved at one end of the film roller; the fifth pulley is connected to the sixth pulley through a synchronous belt drive; the sixth pulley is fixedly sleeved on the output shaft of a third servo motor; the third servo motor is horizontally fixed on the mounting plate.
[0013] As a preferred technical solution of the present invention, the film cutting assembly includes a first support fixed on two second beams; the first support is arranged on the side of the mounting plate close to the second roller; a first cylinder is horizontally fixed on the first support; the extension direction of the output end of the first cylinder is arranged parallel to the conveying direction of the first conveyor belt; a push plate is vertically fixed to the output end of the first cylinder; a cutter is horizontally fixed to the lower edge of the push plate; the cutter is arranged below the guide roller; and the cutter is arranged between the two second beams.
[0014] As a preferred technical solution of the present invention, the blocking assembly includes a pair of second supports respectively fixed on the relative outer sides of the two first beams; a second cylinder is horizontally fixed on each of the two second supports; the telescopic direction of the output ends of the two second cylinders is parallel to the telescopic direction of the output ends of the first cylinder; the output ends of the two second cylinders slide through the two second supports respectively and are fixed with a transmission seat; a third cylinder is horizontally fixed on each of the two transmission seats; the telescopic direction of the output ends of the two third cylinders is parallel to the axial direction of the first roller; the two third cylinders are arranged on the side of the second support away from the first roller; a push-pull block is fixed on the output ends of the two third cylinders; a blocking plate is vertically fixed on the side of the two push-pull blocks close to the first roller; and both blocking plates can move into the battery pole group transmission space between the third conveyor belt and the fourth conveyor belt.
[0015] The present invention has the following beneficial effects:
[0016] The present invention clamps and delivers the uncoated battery pole group through the first conveying component, and makes the pole ear end of the battery pole group face the side away from the second conveying component, and at the same time uses the film release component to vertically release the film into the film conveying gap between the first conveying component and the second conveying component, and makes the length of the part of the film below the film conveying gap sufficient to wrap half of the battery pole group, when the uncoated battery pole group is clamped and delivered to the film conveying gap between the first conveying component and the second conveying component, the film in the film conveying gap is offset from the battery pole group through the blocking component Touch, and then continue to convey the battery pole group, prompting the battery pole group to be conveyed from the first conveying component to the second conveying component, so as to wrap the film on the battery pole group. When the middle of the battery pole group is in the film conveying gap, the film cutting component is used to cut the film, and the second conveying component is used to quickly convey the battery pole group, so as to wrap the film on the battery pole group, which not only effectively improves the coating efficiency of the battery pole group, but also reduces the labor intensity of the workers, and also avoids the problem of different lengths of the films on both sides of the pole group after the pole group is coated.
[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.
[0019] Figure 1 It is a structural schematic diagram of a battery pole group coating device of the present invention.
[0020] Figure 2 for Figure 1 Side view of the structure.
[0021] Figure 3 It is a schematic structural diagram of the connection between the first conveying assembly, the second conveying assembly, the film releasing assembly and the film cutting assembly of the present invention.
[0022] Figure 4 It is a schematic structural diagram of the connection between the first transmission component and the second transmission component of the present invention.
[0023] Figure 5 It is a schematic diagram of the relative position between the first roller and the third roller of the present invention.
[0024] Figure 6It is a schematic diagram of the relative position between the second roller and the fourth roller of the present invention.
[0025] Figure 7 It is a schematic diagram of the relative positions between the film releasing component and the film cutting component of the present invention.
[0026] Figure 8 It is a schematic structural diagram of the film release component of the present invention.
[0027] Fig. 9 It is a schematic structural diagram of the film cutting assembly of the present invention.
[0028] Fig.10 It is a schematic structural diagram of the blocking component of the present invention.
[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0030] 1-support assembly, 2-first transmission assembly, 3-second transmission assembly, 4-film release assembly, 5-film cutting assembly, 6-blocking assembly, 101-first beam, 102-support plate, 103-second beam, 201-first roller, 202-second roller, 203-first conveyor belt, 204-second conveyor belt, 205-first servo motor, 206-first pulley, 207-second pulley, 301-third roller, 302-fourth roller, 303-third conveyor belt, 304-fourth conveyor belt, 305-second servo motor, 306-third pulley, 307-fourth pulley, 401-mounting plate, 402-guide roller, 403-limiting block, 404-bearing slat, 405-film roller, 406-fifth pulley, 407-sixth pulley, 408-third servo motor, 501-first support, 502-first cylinder, 503-push plate, 504-cutter, 601-second support, 602-second cylinder, 603-transmission seat, 604-third cylinder, 605-push-pull block, 606-blocking plate. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0032] Embodiment 1:
[0033] See also Figure 1-3As shown, the present invention is a battery pole group coating device, comprising a support component 1; a first conveying component 2 and a second conveying component 3 are installed side by side on the support component 1; the first conveying component 2 is used to convey uncoated battery pole groups; the second conveying component 3 is used to convey coated battery pole groups; a film conveying gap is formed between the first conveying component 2 and the second conveying component 3; a film releasing component 4 is installed above the first conveying component 2; a film cutting component 5 is installed below the film releasing component 4; a blocking component 6 for making the film in the film conveying gap collide with the battery pole group is installed below the film cutting component 5. When in use, the uncoated battery pole group is clamped and sent by the first conveying component 2, and the ear end of the battery pole group is directed to the side away from the second conveying component 3, and the film is vertically released into the film conveying gap between the first conveying component 2 and the second conveying component 3 by the film releasing component 4, and the length of the part of the film below the film conveying gap is sufficient to wrap half of the battery pole group. When the uncoated battery pole group is clamped and sent to the film conveying gap between the first conveying component 2 and the second conveying component 3, the film in the film conveying gap and the battery pole group are separated by the blocking component 6. The battery pole group is conflicted and then continues to be conveyed, so that the battery pole group is conveyed from the first conveying component 2 to the second conveying component 3, so that the film is wrapped on the battery pole group. When the middle of the battery pole group is in the film conveying gap, the film cutting component 5 is used to cut the film, and the second conveying component 3 is used to quickly convey the battery pole group, so that the film is wrapped on the battery pole group, which not only effectively improves the coating efficiency of the battery pole group, but also reduces the labor intensity of the workers, and also avoids the problem of different lengths of the films on both sides of the pole group after the pole group is coated.
[0034] Embodiment 2:
[0035] Based on Example 1, Figure 3-6As shown, the support assembly 1 includes a pair of first beams 101 arranged horizontally side by side; the opposite sides of the two first beams 101 are vertically bolted with support plates 102; the upper edges of the two support plates 102 are horizontally bolted with second beams 103 parallel to the first beams 101; the first conveying assembly 2 includes a pair of first rollers 201 rotatably connected between the two first beams 101 and a pair of second rollers 202 rotatably connected between the two second beams 103, and the first rollers 201 and the second rollers 202 rotate in opposite directions; the first rollers 201 are connected by a first conveyor belt 2 03 transmission connection; the two second rollers 202 are transmission connected by the second conveyor belt 204; the second conveyor belt 204 is arranged above the first conveyor belt 203; a battery pole group transmission space is formed between the first conveyor belt 203 and the second conveyor belt 204; the second conveyor assembly 3 includes a pair of third rollers 301 rotatably connected side by side between the two first beams 101 and a pair of fourth rollers 302 rotatably connected side by side between the two second beams 103, and the third roller 301 and the fourth roller 302 have opposite rotation directions; the two third rollers 301 are transmission connected by the third conveyor belt 303; the third The upper outer surface of the conveyor belt 303 is flush with the upper outer surface of the first conveyor belt 203; the two fourth rollers 302 are connected by the fourth conveyor belt 304; the upper outer surface of the fourth conveyor belt 304 is flush with the upper outer surface of the second conveyor belt 204; the fourth conveyor belt 304 is arranged above the third conveyor belt 303; a battery pole group transmission space is formed between the third conveyor belt 303 and the fourth conveyor belt 304; one end of a first roller 201 is coaxially fixed to the output shaft of a first servo motor 205; the first servo motor 205 is bolted to a first crossbeam 101; the other One end of a first roller 201 is keyed to a first pulley 206; the first pulley 206 is connected to a second pulley 207 via a synchronous belt drive; the second pulley 207 is keyed to one end of a third roller 301; one end of a fourth roller 302 is coaxially fixed to an output shaft of a second servo motor 305; the second servo motor 305 is bolted to a second beam 103; one end of another fourth roller 302 is keyed to a third pulley 306; the third pulley 306 is connected to a fourth pulley 307 via a synchronous belt drive; the fourth pulley 307 is keyed to one end of a second roller 202. When in use, the battery pole group is placed on the first conveyor belt 203. When the battery pole group is transported between the first conveyor belt 203 and the second conveyor belt 204, the first conveyor belt 203 and the second conveyor belt 204 clamp the battery pole group. Then, when the battery pole group contacts the film, the battery is transported from between the first conveyor belt 203 and the second conveyor belt 204 to between the third conveyor belt 303 and the fourth conveyor belt 304. At the same time, the film is also wrapped on the battery pole group, thereby realizing the coating treatment of the battery pole group.
[0036] Embodiment three:
[0037] Based on Example 2, Figure 3 and Figure 7-8 As shown, the film release assembly 4 includes a mounting plate 401 connected to the two second cross beams 103 by vertical bolts; a guide roller 402 is horizontally arranged on one side of the mounting plate 401 close to the second roller 202; a film conveying space is formed between the guide roller 402 and the mounting plate 401; both ends of the guide roller 402 are rotatably connected to the limit blocks 403; the two limit blocks 403 are respectively welded to the opposite sides of the mounting plate 401; a bearing strip 404 is horizontally arranged above the two limit blocks 403; one end of the two bearing strips 404 is vertically welded to one side of the mounting plate 401 close to the second roller 202; the two bearing strips 40 4 is rotatably connected with a conventional film roller 405 in the art; the free end of the film on the film roller 405 is sequentially guided to the film conveying space between the roller 402 and the mounting plate 401, the gap between the second conveyor belt 204 and the fourth conveyor belt 304, and the gap between the first conveyor belt 203 and the third conveyor belt 303; one end of the film roller 405 is key-connected with a fifth pulley 406; the fifth pulley 406 is connected to a sixth pulley 407 through a synchronous belt drive; the sixth pulley 407 is key-connected to the output shaft of a third servo motor 408; the third servo motor 408 is horizontally bolted to the mounting plate 401. When in use, the film roller 405 is rotated and the free end of the film on the film roller 405 is sequentially guided to the film conveying space between the roller 402 and the mounting plate 401, the gap between the second conveyor belt 204 and the fourth conveyor belt 304, and the gap between the first conveyor belt 203 and the third conveyor belt 303, so as to release the film.
[0038] Among them Figure 3 , Figure 7 and Fig. 9 As shown, the film cutting assembly 5 includes a first support 501 bolted to the two second beams 103; the first support 501 is arranged on the side of the mounting plate 401 close to the second roller 202; the first support 501 is horizontally bolted with a first cylinder 502; the output end of the first cylinder 502 is arranged in parallel with the conveying direction of the first conveyor belt 203; the output end of the first cylinder 502 is vertically bolted with a push plate 503; the lower edge of the push plate 503 is horizontally fixed with a cutter 504; the cutter 504 is arranged below the guide roller 402; and the cutter 504 is arranged between the two second beams 103. When in use, when the film is released to the required length, the first cylinder 502 drives the cutter 504 to approach the mounting plate 401 through the push plate 503, so that the cutter 504 is in conflict with the mounting plate 401, thereby realizing the cutting process of the film.
[0039] Among them Figure 3 and Fig.10 As shown, the blocking assembly 6 includes a pair of second supports 601 respectively bolted to the opposite outer sides of the two first beams 101; the two second supports 601 are horizontally bolted to the second cylinders 602; the output ends of the two second cylinders 602 are arranged in parallel with the output ends of the first cylinder 502; the output ends of the two second cylinders 602 slide through the two second supports 601 and are bolted to the transmission seats 603; the two transmission seats 603 are horizontally bolted to the third cylinder 60 4; The extension and retraction directions of the output ends of the two third cylinders 604 are both arranged parallel to the axial direction of the first roller 201; the two third cylinders 604 are both arranged on the side of the second support 601 away from the first roller 201; the output ends of the two third cylinders 604 are bolted with push-pull blocks 605; the side surfaces of the two push-pull blocks 605 close to the first roller 201 are vertically welded with blocking plates 606; the two blocking plates 606 can be moved into the battery pole group conveying space between the third conveyor belt 303 and the fourth conveyor belt 304. When in use, after the uncoated battery pole group is clamped into the film conveying gap between the first conveying component 2 and the second conveying component 3, the blocking plate 606 is designed to be close to the battery pole group, so that the film is in contact with the battery pole group and clamped between the battery pole group and the blocking plate 606. As the battery pole group is conveyed from the first conveying component 2 to the second conveying component 3, the blocking plate 606 also moves synchronously with the battery pole group in the same direction and at the same speed to achieve the positioning of the battery pole group and the film, effectively improving the coating effect of the battery pole group. After the film is completely wrapped on the battery pole group, the blocking plate 606 is reset to prepare for the coating of the next battery pole group, effectively ensuring the coating efficiency and effect of the battery pole group.
[0040] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.
Claims
1. A battery pole group coating device, characterized in that: It comprises a support assembly (1); The support component (1) is provided with a first conveying component (2) and a second conveying component (3) in parallel; the first conveying component (2) is used for conveying uncoated battery pole groups; the second conveying component (3) is used for conveying coated battery pole groups; a film conveying gap is formed between the first conveying component (2) and the second conveying component (3); a film releasing component (4) is provided above the first conveying component (2); a film cutting component (5) is provided below the film releasing component (4); a blocking component (6) is provided below the film cutting component (5) for causing the film in the film conveying gap to come into contact with the battery pole groups.
2. A battery pole group coating device according to claim 1, characterized in that: The support assembly (1) comprises a pair of first crossbeams (101) arranged horizontally side by side; support plates (102) are vertically fixed to the opposite sides of the two first crossbeams (101); and second crossbeams (103) parallel to the first crossbeams (101) are horizontally fixed to the upper edges of the two support plates (102).
3. A battery pole group coating device according to claim 2, characterized in that: The first conveying assembly (2) comprises a pair of first rollers (201) rotatably connected side by side between two first beams (101) and a pair of second rollers (202) rotatably connected side by side between two second beams (103), and the first rollers (201) and the second rollers (202) rotate in opposite directions; the two first rollers (201) are connected by a first conveyor belt (203); the two second rollers (202) are connected by a second conveyor belt (204); the second conveyor belt (204) is arranged above the first conveyor belt (203); and a battery pole group conveying space is formed between the first conveyor belt (203) and the second conveyor belt (204).
4. A battery pole group coating device according to claim 3, characterized in that: The second conveying assembly (3) comprises a pair of third rollers (301) rotatably connected side by side between the two first beams (101) and a pair of fourth rollers (302) rotatably connected side by side between the two second beams (103), and the third rollers (301) and the fourth rollers (302) have opposite rotation directions; the two third rollers (301) are connected by a third conveyor belt (303); the upper outer surface of the third conveyor belt (303) is flush with the upper outer surface of the first conveyor belt (203); the two fourth rollers (302) are connected by a fourth conveyor belt (304); the upper outer surface of the fourth conveyor belt (304) is flush with the upper outer surface of the second conveyor belt (204); the fourth conveyor belt (304) is arranged above the third conveyor belt (303); and a battery pole group conveying space is formed between the third conveyor belt (303) and the fourth conveyor belt (304).
5. A battery pole group coating device according to claim 4, characterized in that: One end of the first roller (201) is coaxially fixed on the output shaft of a first servo motor (205); the first servo motor (205) is fixed on a first crossbeam (101); one end of the first roller (201) is fixedly sleeved with a first pulley (206); the first pulley (206) is connected to a second pulley (207) through a synchronous belt drive; the second pulley (207) is fixedly sleeved on one end of a third roller (301).
6. A battery pole group coating device according to claim 4 or 5, characterized in that: One end of the fourth roller (302) is coaxially fixed on the output shaft of a second servo motor (305); the second servo motor (305) is fixed on a second crossbeam (103); one end of the other fourth roller (302) is fixedly sleeved with a third pulley (306); the third pulley (306) is connected to a fourth pulley (307) through a synchronous belt drive; the fourth pulley (307) is fixedly sleeved on one end of a second roller (202).
7. A battery pole group coating device according to claim 6, characterized in that: The film release assembly (4) comprises a mounting plate (401) vertically fixed on the two second cross beams (103); a guide roller (402) is horizontally arranged on one side of the mounting plate (401) close to the second roller (202); a film conveying space is formed between the guide roller (402) and the mounting plate (401); both ends of the guide roller (402) are rotatably connected to a limiting block (403); the two limiting blocks (403) are respectively fixed on opposite sides of the mounting plate (401); a bearing strip (404) is horizontally arranged above the two limiting blocks (403); one end of the two bearing strips (404) is vertically fixed on one side of the mounting plate (401) close to the second roller (202); the two bearing plates A film roller (405) is rotatably connected between the other ends of the strip (404); the free end of the film on the film roller (405) is guided in sequence to the film conveying space between the roller (402) and the mounting plate (401), the gap between the second conveyor belt (204) and the fourth conveyor belt (304), and the gap between the first conveyor belt (203) and the third conveyor belt (303); a fifth pulley (406) is fixedly sleeved on one end of the film roller (405); the fifth pulley (406) is connected to a sixth pulley (407) through a synchronous belt drive; the sixth pulley (407) is fixedly sleeved on the output shaft of a third servo motor (408); the third servo motor (408) is horizontally fixed on the mounting plate (401).
8. A battery pole group coating device according to claim 7, characterized in that: The film cutting assembly (5) comprises a first support (501) fixed on two second cross beams (103); the first support (501) is arranged on a side of the mounting plate (401) close to the second roller (202); a first cylinder (502) is horizontally fixed on the first support (501); the extension direction of the output end of the first cylinder (502) is arranged parallel to the conveying direction of the first conveyor belt (203); a push plate (503) is vertically fixed to the output end of the first cylinder (502); a cutter (504) is horizontally fixed to the lower edge of the push plate (503); the cutter (504) is arranged below the guide roller (402); the cutter (504) is arranged between the two second cross beams (103).
9. A battery pole group coating device according to claim 8, characterized in that: The blocking assembly (6) comprises a pair of second supports (601) respectively fixed on the opposite outer sides of the two first beams (101); a second cylinder (602) is horizontally fixed on each of the two second supports (601); the telescopic direction of the output ends of the two second cylinders (602) is arranged parallel to the telescopic direction of the output ends of the first cylinder (502); the output ends of the two second cylinders (602) respectively slide through the two second supports (601) and are fixed with a transmission seat (603); a third cylinder (604) is horizontally fixed on each of the two transmission seats (603); The extension and retraction directions of the output ends of the three cylinders (604) are arranged parallel to the axial direction of the first roller (201); the two third cylinders (604) are arranged on the side of the second support (601) away from the first roller (201); push-pull blocks (605) are fixed to the output ends of the two third cylinders (604); blocking plates (606) are vertically fixed to the side surfaces of the two push-pull blocks (605) close to the first roller (201); and the two blocking plates (606) can move into the battery pole group transmission space between the third conveyor belt (303) and the fourth conveyor belt (304).