Battery pole piece preparation device

The coating roller driven by a hydraulic rod and an electric motor solves the problems of metal substrate positioning and uneven coating in the battery electrode preparation device, achieves effective positioning of the substrate and uniform coating, and simplifies the cleaning of the coating material.

CN223393760UActive Publication Date: 2025-09-30HAIKOU FUPENG NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202423073550.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-09-30
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The existing battery pole piece preparation device cannot position the metal substrate when processing the metal substrate, and the coating is unevenly applied and the coating material on the coating roller is inconvenient to clean.

Method used

A battery pole piece preparation device was designed. The positioning of the metal substrate and the uniform coating of the coating were achieved by the combined use of a hydraulic rod and an electric motor. The coating material was cleaned by a coating roller driven by the hydraulic rod and the electric motor.

Benefits of technology

The effective positioning of the metal substrate and the uniform coating of the coating are achieved, the cleaning process of the coating material is simplified, and the processing efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a battery pole piece preparation device, and relates to the technical field of battery pole piece processing. A rail base is fixed to the bottom plate, a frame slides on the rail base, a lead screw is installed on the rail base through a bearing, a right end plate is installed at the right end of the rail base through a bolt, a first motor is installed on the right end plate through a bolt, an output shaft of the first motor is connected with the lead screw through a belt, and the lead screw is in threaded fit with the lower end of the frame. A first hydraulic rod is fixed to the front end of the frame. A supporting plate is fixed to the upper end of a piston rod of the first hydraulic rod. When the coating dripping device is used for dripping a coating, a first hydraulic rod is extended to enable a supporting plate to support a placing plate to move upwards, the placing plate is separated from two groups of conveying belts, a first motor is operated to enable a lead screw to rotate, the left-right position of the placing plate can be adjusted, a second hydraulic rod is retracted to enable a positioning rod on a top seat to be inserted into an insertion hole in the placing plate, and the placing plate is prevented from moving; and the positioning of the metal substrate on the placing plate is realized.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery pole piece processing, in particular to a battery pole piece preparation device. Background Art

[0002] Batteries are widely used in mobile phones, tablet computers, wearable devices, mobile power supplies, electronic cigarettes, various digital products, power tools, power, energy storage and other fields. They have a wide market application and great potential. The battery pole pieces generally include metal substrates such as copper foil, aluminum foil, etc. and a coating applied to the outside of the metal substrate. The components of the coating generally include active substances, binders and conductive agents. When processing the battery substrate, the coating needs to be applied to the surface of the substrate, so a battery pole piece preparation device is required.

[0003] The existing battery pole piece preparation device cannot position the metal substrate when processing the metal substrate, and the coating is unevenly applied on the surface of the metal substrate, and the coating material on the coating roller is inconvenient to clean. Utility Model Content

[0004] The disclosed embodiments relate to a battery pole piece preparation device to solve the problems that the existing battery pole piece preparation device cannot position the metal substrate when processing the metal substrate, and the coating is unevenly applied to the surface of the metal substrate, and the coating material on the coating roller is inconvenient to clean.

[0005] In a first aspect of the present disclosure, a battery electrode preparation device is provided, specifically comprising: a base plate;

[0006] A rail seat is fixed on the bottom plate, and a frame slides on the rail seat. A screw rod is installed on the rail seat through a bearing, and a right end plate is installed on the right end of the rail seat through a bolt. A No. 1 motor is installed on the right end plate through a bolt, and the output shaft of the No. 1 motor is connected to the screw rod through a belt, and the screw rod is threadedly matched with the lower end of the frame. A No. 1 hydraulic rod is fixed on the front end of the frame, and a supporting plate is fixed on the upper end of the piston rod of the No. 1 hydraulic rod. Two groups of top plates are installed on the upper end of the frame through bolts, and the supporting plate is located between the two groups of top plates. A placing plate is fixed on the supporting plate, and two groups of jacks are provided on the placing plate. A No. 2 hydraulic rod is fixed on the rear end of the frame, and a lifting seat is fixed on the upper end of the piston rod of the No. 2 hydraulic rod, and a top seat is fixed on the upper end of the lifting seat, and two groups of positioning rods are fixed on the top seat.

[0007] In at least some embodiments,

[0008] Two groups of support plates are installed on the bottom plate by bolts, and two groups of cross plates are installed on the upper ends of the two groups of support plates by bolts. Pulleys are installed on the left and right ends of the two groups of cross plates through bearings, and a conveyor belt is connected between the pulleys near the left and right ends of the cross plates. Two groups of conveyor belts are provided, and a connecting plate is installed on the cross plate by bolts. A No. 2 motor is installed on the connecting plate by bolts, and two groups of pulleys are fixed on the output shaft of the No. 2 motor. The two groups of pulleys on the output shaft of the No. 2 motor are respectively connected to the two groups of conveyor belts.

[0009] In at least some embodiments,

[0010] A No. 3 hydraulic rod is fixed on the support plate near the right side of the base plate, and a baffle is fixed on the piston rod of the No. 3 hydraulic rod, which is located between the two groups of conveyor belts. A fixing frame is fixed to the upper ends of the two groups of horizontal plates, and a motor seat is installed on the fixing frame through bolts. A No. 3 motor is installed on the motor seat through bolts. A bearing seat is installed on the fixing frame through bolts, and a threaded rod is installed on the bearing seat. The upper end of the threaded rod is connected to the output shaft of the No. 3 motor. A vertical rod is connected between the motor seat and the bearing seat, and a lifting block is threaded on the threaded rod. A connecting seat is installed on the lifting block through bolts. Four groups of connecting seats are provided, and a fixing plate is fixed between the four groups of connecting seats. Two groups of rollers are installed on the lifting block, and the two groups of rollers are respectively in contact with the left and right ends of the vertical rod.

[0011] In at least some embodiments,

[0012] Two sets of side plates are installed on the lower end of the fixed plate by bolts, a smear roller is installed between the two sets of side plates through bearings, and a mounting plate is installed on the side plate by bolts, a No. 4 motor is installed on the mounting plate by bolts, and the output shaft of the No. 4 motor is connected to the rotating shaft of the smear roller by a belt.

[0013] In at least some embodiments,

[0014] A fixing rod is fixed between the two groups of side plates, a locking seat is installed on the fixing rod by a bolt, a No. 4 hydraulic rod is hinged on the locking seat, an articulated seat is hinged on the locking seat, a sliding plate is slid on the lower end of the articulated seat, a sliding groove is provided on the sliding plate, a matching column is fixed in the sliding groove, an adjusting rod is installed on the lower end of the articulated seat, the adjusting rod is threadedly matched with the matching column, and a scraper is installed on the sliding plate by screws.

[0015] In at least some embodiments,

[0016] Two groups of support frames are installed on the bottom plate through bolts, and partitions are installed on the upper ends of the two groups of support frames through bolts. Through slots are provided on the partitions, and fixed seats are fixed at the through slots on the partitions, and movable blocks are slid on the fixed seats.

[0017] In at least some embodiments,

[0018] A No. 5 motor is mounted on the fixed seat via bolts, a pulley is fixed on the output shaft of the No. 5 motor, a pulley is mounted on the fixed seat via a bearing, a connecting belt is connected between the pulley on the output shaft of the No. 5 motor and the pulley on the fixed seat, the rear end of the movable block is fixedly connected to the connecting belt, and a drip tube is mounted on the movable block.

[0019] The utility model provides a battery electrode preparation device, which has the following beneficial effects:

[0020] The front end of the frame in the utility model is fixed with a No. 1 hydraulic rod, the upper end of the piston rod of the No. 1 hydraulic rod is fixed with a supporting plate, the supporting plate is fixed with a placing plate, and two groups of jacks are provided on the placing plate, and the rear end of the frame is fixed with a No. 2 hydraulic rod, the upper end of the piston rod of the No. 2 hydraulic rod is fixed with a lifting seat, the upper end of the lifting seat is fixed with a top seat, and two groups of positioning rods are fixed on the top seat. When the coating is dripped, the No. 1 hydraulic rod is extended to make the supporting plate move the placing plate to move up, and the placing plate is separated from the two groups of conveyor belts. The No. 1 motor is operated to rotate the screw rod, and the left and right positions of the placing plate can be adjusted. The No. 2 hydraulic rod is retracted to make the positioning rods on the top seat inserted into the jacks on the placing plate, so as to prevent the placing plate from moving and realize the positioning of the metal substrate on the placing plate.

[0021] In addition, the utility model rotates the coating roller and evenly spreads the coating material on the substrate by running the No. 4 motor. An adjusting rod is installed at the lower end of the articulated seat. The adjusting rod is threaded with the matching column. A scraper is installed on the sliding plate by a screw. When in use, the scraper is brought into contact with the coating roller by rotating the adjusting rod, and the coating material on the coating roller is cleaned by the scraper. The telescopic No. 4 hydraulic rod can adjust the inclination of the scraper, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0023] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0024] In the attached figure:

[0025] Figure 1 A schematic diagram showing the overall structure of the present application;

[0026] Figure 2 Shows a schematic structural diagram of the rail seat of the present application;

[0027] Figure 3 Shows the application Figure 2 Schematic diagram of the enlarged structure of part A;

[0028] Figure 4 A schematic diagram showing the structure of the framework of this application is shown;

[0029] Figure 5 Shows a structural schematic diagram of the support plate of the present application;

[0030] Figure 6 A schematic structural diagram of the baffle of the present application is shown;

[0031] Figure 7 A schematic structural diagram of the fixing frame of the present application is shown;

[0032] Figure 8 Shows the application Figure 7 Schematic diagram of the enlarged structure of part B;

[0033] Figure 9 A schematic structural diagram of the left side of the fixing frame of the present application is shown;

[0034] Figure 10 Shows the application Figure 9 Schematic diagram of the enlarged structure of part C;

[0035] Figure 11 A structural schematic diagram of the fixing seat of the present application is shown.

[0036] Reference Signs List

[0037] 1. Bottom plate; 11. Rail seat; 111. Screw rod; 112. Right end plate; 113. Motor No. 1; 114. Frame; 1141. Hydraulic rod No. 1; 1142. Support plate; 1143. Top plate; 1144. Placement plate; 1145. Hydraulic rod No. 2; 1146. Lifting seat; 1147. Top seat; 1148. Positioning rod;

[0038] 2. Support plate; 21. Horizontal plate; 22. Connecting plate; 221. No. 2 motor; 222. Conveyor belt; 23. No. 3 hydraulic rod; 231. Baffle; 24. Fixed frame; 241. Motor seat; 2411. No. 3 motor; 2412. Threaded rod; 2413. Vertical rod; 242. Lifting block; 2421. Connecting seat; 243. Fixed plate; 244. Side plate; 2441. Mounting piece; 2442. No. 4 motor; 245. Applicator roller; 246. Fixed rod; 2461. Locking seat; 2462. No. 4 hydraulic rod; 2463. Articulated seat; 2464. Sliding plate; 2465. Scraper; 2466. Matching column; 2467. Adjusting rod;

[0039] 3. Support frame; 31. Partition; 32. Fixed seat; 33. Movable block; 331. No. 5 electric motor; 332. Connecting belt; 34. Drip tube. DETAILED DESCRIPTION

[0040] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described 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.

[0041] Example 1: Please refer to Figures 1 to 11 :

[0042] The utility model proposes a battery pole piece preparation device, comprising: a bottom plate 1;

[0043] A rail seat 11 is fixed on the bottom plate 1, a frame 114 is slid on the rail seat 11, a screw rod 111 is installed on the rail seat 11 through a bearing, a right end plate 112 is installed on the right end plate 112 through a bolt, a No. 1 motor 113 is installed on the right end plate 112 through a bolt, the output shaft of the No. 1 motor 113 is connected to the screw rod 111 through a belt, the screw rod 111 is threaded with the lower end of the frame 114, a No. 1 hydraulic rod 1141 is fixed to the front end of the frame 114, and the upper end of the piston rod of the No. 1 hydraulic rod 1141 is fixed The support plate 1142 and the upper end of the frame 114 are fixed with two groups of top plates 1143 by bolts. The support plate 1142 is located between the two groups of top plates 1143. A placement plate 1144 is fixed on the support plate 1142. Two groups of jacks are provided on the placement plate 1144. The rear end of the frame 114 is fixed with a No. 2 hydraulic rod 1145. The upper end of the piston rod of the No. 2 hydraulic rod 1145 is fixed with a lifting seat 1146. The upper end of the lifting seat 1146 is fixed with a top seat 1147. Two groups of positioning rods 1148 are fixed on the top seat 1147.

[0044] In the embodiment of the present disclosure,

[0045] Two groups of support plates 2 are installed on the base plate 1 by bolts, and two groups of cross plates 21 are installed on the upper ends of the two groups of support plates 2 by bolts. Pulleys are installed on the left and right ends of the two groups of cross plates 21 through bearings, and a conveyor belt 222 is connected between the pulleys near the left and right ends of the cross plate 21. Two groups of conveyor belts 222 are provided, and a connecting plate 22 is installed on the cross plate 21 by bolts. A No. 2 motor 221 is installed on the connecting plate 22 by bolts. Two groups of pulleys are fixed on the output shaft of the No. 2 motor 221, and the two groups of pulleys on the output shaft of the No. 2 motor 221 are respectively connected to the two groups of conveyor belts 222. Their function is: running the No. 2 motor 221 makes the two groups of conveyor belts 222 operate, and the placement plate 1144 is transported by the two groups of conveyor belts 222.

[0046] In the embodiment of the present disclosure,

[0047] A No. 3 hydraulic rod 23 is fixed on the support plate 2 near the right side of the bottom plate 1, and a baffle 231 is fixed on the piston rod of the No. 3 hydraulic rod 23. The baffle 231 is located between the two groups of conveyor belts 222. The upper ends of the two groups of horizontal plates 21 are fixed with a fixing frame 24, and a motor seat 241 is installed on the fixing frame 24 by bolts. A No. 3 motor 2411 is installed on the motor seat 241 by bolts, and a bearing seat is installed on the fixing frame 24 by bolts. A threaded rod 2412 is installed on the bearing seat, and the upper end of the threaded rod 2412 is connected to the output shaft of the No. 3 motor 2411. A vertical rod 2413 is connected between the motor seat 241 and the bearing seat. A lifting block 242 is threadedly matched on the threaded rod 2412, and a connecting seat 2421 is installed on the lifting block 242 by bolts. Four groups of connecting seats 2421 are provided, and the fixing plate 2 is fixed between the four groups of connecting seats 2421. 43. Two sets of rollers are installed on the lifting block 242, and the two sets of rollers are in contact with the left and right ends of the vertical rod 2413 respectively. Two sets of side plates 244 are installed on the lower end of the fixed plate 243 by bolts. A smear roller 245 is installed between the two sets of side plates 244 through bearings, and a mounting plate 2441 is installed on the side plate 244 by bolts. A No. 4 motor 2442 is installed on the mounting plate 2441 by bolts. The output shaft of the No. 4 motor 2442 is connected to the rotating shaft of the smear roller 245 through a belt. Its function is: to extend the No. 3 hydraulic rod 23 to make the baffle 231 rise, and the baffle 231 can be used to block the placement plate 1144 on the conveyor belt 222, to operate the No. 3 motor 2411 to make the smear roller 245 descend, and to operate the No. 4 motor 2442 to make the smear roller 245 rotate, and to smear the coating material on the substrate through the smear roller 245.

[0048] Example 2, based on Example 1,

[0049] A fixing rod 246 is fixed between the two sets of side plates 244, and a locking seat 2461 is installed on the fixing rod 246 by a bolt, and a No. 4 hydraulic rod 2462 is hinged on the locking seat 2461, and an articulated seat 2463 is hinged on the locking seat 2461. A sliding plate 2464 slides on the lower end of the articulated seat 2463, and a slide groove is provided on the sliding plate 2464, and a matching column 2466 is fixed in the slide groove. An adjusting rod 2467 is installed on the lower end of the articulated seat 2463, and the adjusting rod 2467 is threadedly engaged with the matching column 2466. A scraper 2465 is installed on the sliding plate 2464 by a screw, and its function is: rotating the adjusting rod 2467 makes the scraper 2465 contact with the smear roller 245, and the coating material on the smear roller 245 is cleaned by the scraper 2465, and the inclination of the scraper 2465 can be adjusted by telescoping the No. 4 hydraulic rod 2462.

[0050] Example 3, based on Example 1 and Example 2,

[0051] Two groups of support frames 3 are installed on the base plate 1 by bolts, and partitions 31 are installed on the upper ends of the two groups of support frames 3 by bolts. A through groove is provided on the partition 31, and a fixed seat 32 is fixed at the through groove on the partition 31. A movable block 33 slides on the fixed seat 32, and a No. 5 motor 331 is installed on the fixed seat 32 by bolts. A pulley is fixed on the output shaft of the No. 5 motor 331, and a pulley is installed on the fixed seat 32 through a bearing. A connecting belt 332 is connected between the pulley on the output shaft of the No. 5 motor 331 and the pulley on the fixed seat 32, and the rear end of the movable block 33 is fixedly connected to the connecting belt 332. A dropper 34 is installed on the movable block 33, and its function is: running the No. 5 motor 331 makes the connecting belt 332 drive the dropper 34 to descend, and the coating material is dripped onto the battery substrate through the dropper 34.

[0052] The working principle of this embodiment is as follows: when in use, the battery substrate is placed on the placement plate 1144, the No. 2 motor 221 is operated to operate the two sets of conveyor belts 222, and the placement plate 1144 is transported by the two sets of conveyor belts 222, the No. 1 hydraulic rod 1141 is extended to make the supporting plate 1142 move the placement plate 1144 upward, and the placement plate 1144 is separated from the two sets of conveyor belts 222, the No. 1 motor 113 is operated to rotate the screw rod 111, and the left and right positions of the placement plate 1144 can be adjusted, and the No. 2 hydraulic rod 1145 is retracted to make the positioning rod 1148 on the top seat 1147 be inserted into the jack on the placement plate 1144 to prevent the placement plate 1144 from moving and realize the placement of the placement plate 1144. The metal substrate is positioned, the No. 5 motor 331 is operated to make the connecting belt 332 drive the dropper 34 to descend, and the coating material is dripped onto the battery substrate through the dropper 34, the No. 1 hydraulic rod 1141 is retracted to make the placement plate 1144 continue to transport to the right, the No. 3 motor 2411 is operated to make the smear roller 245 descend, the No. 4 motor 2442 is operated to make the smear roller 245 rotate, and the coating material on the substrate is smeared by the smear roller 245, the adjusting rod 2467 is rotated to make the scraper 2465 contact with the smear roller 245, and the coating material on the smear roller 245 is cleaned by the scraper 2465, and the No. 4 hydraulic rod 2462 is retracted to adjust the inclination of the scraper 2465, which is convenient for cleaning.

[0053] In this article, there are several points to note:

[0054] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0055] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0056] The above are only specific implementation methods of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with this technical field can easily think of changes or replacements within the technical scope disclosed in this disclosure, and they should all be covered by the protection scope of the present disclosure.

Claims

1. A battery electrode preparation device, comprising: Bottom plate (1); characterized in that, A rail seat (11) is fixed on the bottom plate (1), a frame (114) is slidably mounted on the rail seat (11), a screw rod (111) is mounted on the rail seat (11) via a bearing, a right end plate (112) is mounted on the right end of the rail seat (11) via a bolt, a No. 1 motor (113) is mounted on the right end plate (112) via a bolt, an output shaft of the No. 1 motor (113) is connected to the screw rod (111) via a belt, the screw rod (111) is threadedly engaged with the lower end of the frame (114), a No. 1 hydraulic rod (1141) is fixed to the front end of the frame (114), and the upper end of the piston rod of the No. 1 hydraulic rod (1141) is fixed to the front end of the frame (114). A supporting plate (1142) is fixed, and two groups of top plates (1143) are installed on the upper end of the frame (114) by bolts. The supporting plate (1142) is located between the two groups of top plates (1143). A placement plate (1144) is fixed on the supporting plate (1142), and two groups of jacks are provided on the placement plate (1144). A second hydraulic rod (1145) is fixed to the rear end of the frame (114), and a lifting seat (1146) is fixed to the upper end of the piston rod of the second hydraulic rod (1145). A top seat (1147) is fixed to the upper end of the lifting seat (1146), and two groups of positioning rods (1148) are fixed on the top seat (1147).

2. A battery electrode preparation device according to claim 1, characterized in that: Two groups of support plates (2) are mounted on the bottom plate (1) by bolts, two groups of transverse plates (21) are mounted on the upper ends of the two groups of support plates (2) by bolts, pulleys are mounted on the left and right ends of the two groups of transverse plates (21) by bearings, a conveyor belt (222) is connected between the pulleys near the left and right ends of the transverse plates (21), two groups of conveyor belts (222) are provided, a connecting plate (22) is mounted on the transverse plate (21) by bolts, a second motor (221) is mounted on the connecting plate (22) by bolts, two groups of pulleys are fixed on the output shaft of the second motor (221), and the two groups of pulleys on the output shaft of the second motor (221) are respectively connected to the two groups of conveyor belts (222).

3. A battery pole piece preparation device according to claim 2, characterized in that: A No. 3 hydraulic rod (23) is fixed on the support plate (2) on the right side of the bottom plate (1), a baffle (231) is fixed on the piston rod of the No. 3 hydraulic rod (23), the baffle (231) is located between the two groups of conveyor belts (222), a fixing frame (24) is fixed on the upper ends of the two groups of transverse plates (21), a motor seat (241) is installed on the fixing frame (24) by bolts, a No. 3 motor (2411) is installed on the motor seat (241) by bolts, a bearing seat is installed on the fixing frame (24) by bolts, and a threaded rod (2412) is installed on the bearing seat The upper end of the threaded rod (2412) is connected to the output shaft of the third motor (2411), a vertical rod (2413) is connected between the motor seat (241) and the bearing seat, a lifting block (242) is threadedly matched on the threaded rod (2412), a connecting seat (2421) is installed on the lifting block (242) by bolts, and four groups of connecting seats (2421) are provided. A fixed plate (243) is fixed between the four groups of connecting seats (2421), and two groups of rollers are installed on the lifting block (242), and the two groups of rollers are respectively in contact with the left and right ends of the vertical rod (2413).

4. A battery pole piece preparation device according to claim 3, characterized in that: Two sets of side plates (244) are mounted on the lower end of the fixed plate (243) via bolts, a smear roller (245) is mounted between the two sets of side plates (244) via bearings, a mounting plate (2441) is mounted on the side plate (244) via bolts, a No. 4 motor (2442) is mounted on the mounting plate (2441) via bolts, and an output shaft of the No. 4 motor (2442) is connected to the rotating shaft of the smear roller (245) via a belt.

5. The battery electrode preparation device according to claim 4, characterized in that: A fixing rod (246) is fixed between the two groups of side plates (244), a locking seat (2461) is installed on the fixing rod (246) by means of bolts, a No. 4 hydraulic rod (2462) is hinged on the locking seat (2461), a hinge seat (2463) is hinged on the locking seat (2461), a sliding plate (2464) is slid on the lower end of the hinge seat (2463), a sliding groove is provided on the sliding plate (2464), a matching column (2466) is fixed in the sliding groove, an adjusting rod (2467) is installed on the lower end of the hinge seat (2463), the adjusting rod (2467) is threadedly matched with the matching column (2466), and a scraper (2465) is installed on the sliding plate (2464) by means of screws.

6. A battery pole piece preparation device according to claim 3, characterized in that: Two groups of support frames (3) are mounted on the bottom plate (1) by means of bolts, and a partition (31) is mounted on the upper ends of the two groups of support frames (3) by means of bolts, wherein a through slot is provided on the partition (31), a fixing seat (32) is fixed at the through slot on the partition (31), and a movable block (33) is slidably mounted on the fixing seat (32).

7. A battery pole piece preparation device according to claim 6, characterized in that: A No. 5 motor (331) is mounted on the fixed seat (32) via bolts, a pulley is fixed on the output shaft of the No. 5 motor (331), a pulley is mounted on the fixed seat (32) via a bearing, a connecting belt (332) is connected between the pulley on the output shaft of the No. 5 motor (331) and the pulley on the fixed seat (32), a rear end of the movable block (33) is fixedly connected to the connecting belt (332), and a dropper (34) is mounted on the movable block (33).