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CN-122006966-A - Negative electrode slurry coating device based on lithium battery cell production

CN122006966ACN 122006966 ACN122006966 ACN 122006966ACN-122006966-A

Abstract

The invention discloses a negative electrode slurry coating device based on lithium battery core production, which comprises a base, wherein a smearing assembly is connected onto the base, a turntable is movably connected onto the base, more than one storage cavity is detachably connected onto the turntable, a collecting part is detachably connected onto the storage cavity, one end of the collecting part is connected with the storage cavity, the other end of the collecting part is fixedly connected onto a first sliding block, more than one through holes are formed in the turntable, the number of the through holes is the same as that of the storage cavities, the first sliding blocks are slidably connected into the corresponding through holes, a first electric push rod is arranged on the end face of the first sliding block, facing the turntable, of the first sliding block, and one end of the first electric push rod is fixedly connected with the first sliding block. Through the cooperation design of carousel and detachable storage chamber, combine the coordinated control of detection component and electric putter, motor, when detection component monitors current storage chamber thick liquids not enough, but automatic control collection portion and storage chamber separation, carousel rotation switch new storage chamber and dock the feed again.

Inventors

  • ZHU CHAOMING
  • ZHU XIAOPENG

Assignees

  • 辽源市瑟科电池销售有限公司

Dates

Publication Date
20260512
Application Date
20260209

Claims (10)

  1. 1. The negative electrode slurry coating device based on lithium battery core production comprises a base (1) and is characterized in that a coating component is connected to the base (1), a rotary table (11) is movably connected to the base (1), more than one storage cavity (3) is detachably connected to the rotary table (11), a collecting part (21) is detachably connected to the storage cavity (3), one end of the collecting part (21) is connected with the storage cavity (3), the other end of the collecting part is fixedly connected to a first sliding block (2), more than one through hole (12) is formed in the rotary table (11), the number of the through holes (12) is the same as the number of the storage cavities (3), the first sliding block (2) is slidably connected to the corresponding through holes (12), one end of the first electric pushing rod (22) is fixedly connected with the first sliding block (2), the other end of the first sliding block is fixedly connected with the base (1), the number of the first sliding block (2) is equal to the storage cavity (3), the number of the first sliding block (2) is equal to the number of the first sliding block (3), the motor (21) is fixedly connected to the output shaft (11), and the output shaft (1) is fixedly connected to the input shaft (1).
  2. 2. The negative electrode slurry coating device based on lithium battery cell production according to claim 1, wherein one end of the first sliding block (2) is connected with a first electric push rod (22), and the other end of the first sliding block is connected with a first sliding component (23).
  3. 3. The negative electrode slurry coating device based on lithium battery cell production according to claim 2, wherein a bottom edge (31) is arranged at the bottom end of the storage cavity (3), an inserting hole is formed in the bottom of the storage cavity (3), a baffle plate (32) is slidably connected to the bottom of the storage cavity (3), two baffle plates (32) are symmetrically arranged at two ends of the storage cavity (3), a sliding rod (33) is connected to the baffle plate (32), the sliding rod (33) is slidably connected with the bottom edge (31), a positioning plate (34) is connected to the sliding rod (33), an inclined arrangement is adopted at the bottom of the baffle plate (32), and the baffle plate (32) is detachably connected with the collecting part (21).
  4. 4. The negative electrode slurry coating device based on lithium battery cell production according to claim 3, wherein the sliding rod (33) is sleeved with a compression spring, and two ends of the compression spring are respectively connected with the baffle plate (32) and the bottom edge (31).
  5. 5. The negative electrode slurry coating device based on lithium battery cell production according to any one of claims 1 to 4, wherein the coating assembly comprises a frame (4), a first positioning frame (42) is integrally connected to the frame (4), a fixing rod (43) is fixedly connected to the first positioning frame (42), more than one spraying assembly is movably connected to the fixing rod (43), more than one conveying roller (46) is arranged on the frame (4), the more than one conveying rollers (46) are arranged in an equidistant array in the axial direction of the frame (4), and the conveying rollers (46) are rotatably connected to the frame (4).
  6. 6. The negative electrode slurry coating device based on lithium battery cell production according to claim 5, wherein the spraying assembly comprises a sliding part (5) and a spray head (52) detachably connected to the sliding part (5), the sliding part (5) is slidably connected to a fixed rod (43), the spray head (52) is arranged on the end face, facing the rack (4), of the sliding part (5), the collecting part (21) is connected and communicated with the spray head (52) through a conveying pipe (24), one end of the conveying pipe (24) is connected to the collecting part (21), and the other end of the conveying pipe is connected to the spray head (52).
  7. 7. The negative electrode paste coating device based on lithium battery cell production according to claim 6, wherein a locking hole (51) is provided at the top end of the sliding part (5), and the locking hole (51) is locked with the fixing rod (43) through a locking assembly.
  8. 8. The negative electrode slurry coating device based on lithium battery cell production according to claim 7, wherein a second positioning frame (44) is integrally connected to the frame (4), a scraper (6) is movably connected to the second positioning frame (44), a second electric push rod (61) is connected to the scraper (6), one end of the second electric push rod (61) is connected to the scraper (6), and the other end of the second electric push rod is connected to the second positioning frame (44).
  9. 9. The negative electrode slurry coating device based on lithium battery cell production according to claim 8, wherein the frame (4) is movably connected with a support frame (7), two ends of the support frame (7) are symmetrically provided with second sliding blocks (71), the second sliding blocks (71) are slidably connected in a limiting frame (45), the limiting frame (45) is fixedly connected to the support frame (4), more than one leveling roller (72) is rotatably connected to the support frame (7), and the more than one leveling rollers (72) are arranged in an equidistant array along the axial direction of the support frame (7).
  10. 10. The negative electrode slurry coating device based on lithium battery cell production according to claim 9, wherein cleaning parts (73) are detachably connected to the supporting frame (7), the number of the cleaning parts (73) is the same as that of the trowelling rollers (72), and one end of each cleaning part (73) is abutted against each trowelling roller (72).

Description

Negative electrode slurry coating device based on lithium battery cell production Technical Field The invention relates to the field of lithium battery processing devices, in particular to a negative electrode slurry coating device based on lithium battery core production. Background In the fields of battery cell production and the like, copper foil surface sizing agent coating is one of core processes, and the coating quality and the drying effect of the copper foil surface sizing agent directly influence key indexes such as the conductivity, the mechanical stability and the like of a product. At present, the existing slurry smearing device has the common technical pain points that firstly, the automation degree of a slurry feeding link is low, a single storage cavity is adopted for feeding, when slurry is exhausted, stop and supplement are needed, the production continuity is seriously affected, slurry leakage is easily caused in the process of manually replacing the storage cavity, the production environment is polluted, material waste is caused, secondly, the slurry smearing thickness control precision is insufficient, the traditional smearing structure is mainly fixed and designed, flexible adjustment cannot be realized according to different battery cell models, the slurry is easily distributed by single scraper trowelling, thirdly, obvious defects exist in a drying link, the traditional device mostly adopts a single-side heating mode, the slurry surface is quickly heated, the internal temperature is slowly heated, the phenomenon of external drying and internal wetting is formed, the slurry surface cracking and warping are further caused, the bonding firmness of the slurry and a copper foil is reduced, meanwhile, the single-side heating evaporation efficiency is low, the copper foil conveying speed is limited, the production efficiency is difficult to promote, the performance of the copper foil is easily damaged due to local high temperature, and the uneven solidification also causes fluctuation of product quality. Disclosure of Invention In order to overcome the defects in the prior art, the invention provides a negative electrode slurry coating device based on lithium battery cell production, which can rapidly supplement slurry. In order to solve the technical problems, the negative electrode slurry coating device based on lithium battery core production comprises a base, wherein a coating assembly is connected to the base, a turntable is movably connected to the base, more than one storage cavity is detachably connected to the turntable, a collecting part is detachably connected to the storage cavity, one end of the collecting part is connected with the storage cavity, the other end of the collecting part is fixedly connected to a first sliding block, more than one through hole is formed in the turntable, the number of the through holes is the same as that of the storage cavities, the first sliding block is slidably connected in the corresponding through holes, a first electric push rod is arranged on the end face of the first sliding block, facing the turntable, of the first sliding block, one end of the first electric push rod is fixedly connected with the first sliding block, the other end of the first sliding block is fixedly connected with the base, the number of the first sliding block is half of that of the storage cavity, a detection assembly is arranged in the storage cavity, a motor is fixedly connected to the base, an output shaft of the motor is fixedly connected with the turntable, and an output end of the detection assembly is connected with an input end of the motor. Further, one end of the first sliding block is connected with a first electric push rod, and the other end of the first sliding block is connected with a first sliding component. Further, the bottom of storing the chamber is provided with the base, and the bottom of storing the chamber is provided with the patchhole, and the bottom sliding connection of storing the chamber has the baffle, and the baffle is provided with two and symmetry setting at the both ends of storing the chamber, is connected with the slide bar on the baffle, slide bar and base sliding connection are connected with the locating plate on the slide bar, and the bottom of baffle adopts the slope setting, and the baffle can be dismantled with the collecting part and be connected. Further, a compression spring is sleeved on the sliding rod, and two ends of the compression spring are respectively connected with the baffle and the bottom edge. Further, the smearing component comprises a frame, a first positioning frame is integrally connected to the frame, a fixed rod is fixedly connected to the first positioning frame, more than one spraying component is movably connected to the fixed rod, more than one conveying roller is arranged on the frame, the more than one conveying rollers are arranged in an equidistant array in the axial direction of the frame, a