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CN-122000518-A - Recycling line for waste lithium batteries

CN122000518ACN 122000518 ACN122000518 ACN 122000518ACN-122000518-A

Abstract

The invention discloses a waste lithium battery recycling line which comprises electrode batch milling equipment, recycling discharging equipment, battery liquid discharging equipment, a battery nailing device, a nail taking device, a buffer cabinet and sorting equipment, wherein a cutting device is further arranged between the nail taking device and the sorting equipment, a shell of a battery is cut off through the cutting device, and a winding core of the battery is pushed out.

Inventors

  • ZHANG YUE
  • Xiao Kaige
  • DAI YUANSHEN
  • Xiang Renyong
  • HU WENJUN

Assignees

  • 福建常青新能源科技有限公司
  • 巴斯夫（中国）有限公司
  • 成都祐健科技有限公司

Dates

Publication Date
20260508
Application Date
20260410

Claims (10)

  1. 1. The utility model provides a old and useless lithium cell recycling line which characterized in that includes: The electrode batch milling equipment (4) comprises a milling machine table (10), wherein one end of the milling machine table (10) is provided with a milling section feeding transmission belt (11) for transmitting batteries, the other end of the milling machine table (10) is connected with a milling section discharging transmission belt, and a movable milling structure for milling the batteries is arranged on the milling machine table (10); Recovery discharging equipment (5), including being used for carrying out measuring measurement table (16) to battery size, one side that measurement table (16) is close to the ejection of compact is provided with mills section ejection of compact conveyer belt, the both sides that mill section ejection of compact conveyer belt are provided with a plurality of stereoscopic warehouse cabinets (30), recovery discharging equipment (5) still include adaptive distribution regulation structure (31), discharging device, electric current distribution structure, adaptive distribution regulation structure (31) contain and set up last unloading manipulator (312) on milling section ejection of compact conveyer belt, discharging device contains a plurality of battery discharge rack (21) of setting on stereoscopic warehouse cabinet (30), be provided with two discharge module (22) on battery discharge rack (21), fixedly connected with copper sheet (27) on discharge module (22), copper sheet (27) are connected to in discharge cabinet (32) through binding post, electric current distribution structure contains a plurality of discharge cabinet (32) of setting inside stereoscopic warehouse cabinet (30), all discharge cabinet (32) insert same terminal, the quantity that discharge cabinet (32) set up corresponds with battery rack (21) quantity and position one by one; The battery liquid discharge device (6) comprises a liquid discharge cabinet (54), wherein a plurality of support arms are arranged in the liquid discharge cabinet (54), a liquid discharge portal frame (56) is arranged on each support arm, a liquid discharge feeding structure (57) is arranged on each liquid discharge portal frame (56), a plurality of battery puncture structures (58) are arranged in the same row of the liquid discharge feeding structure (57), and the battery liquid discharge device further comprises a battery steering positioning structure and a battery liquid discharge device; The battery nailing device (7) comprises a nailing machine cabinet (60), wherein a first nailing transmission belt (601), a nailing station (602), a second nailing transmission belt (603) and a third nailing transmission belt (604) are sequentially arranged on the nailing machine cabinet (60), a nailing structure (61) is arranged at the upper end of the nailing station (602), and the battery nailing device further comprises an automatic nailing structure (62); The nail taking device (8) comprises a nail taking machine cabinet (70), wherein a nail taking transmission frame (71) is arranged on the nail taking machine cabinet (70), a nail taking portal frame (72) is arranged above the nail taking transmission frame (71), a nail taking limiting structure (73) and a nail taking structure (74) are arranged in the middle of the nail taking portal frame (72), and the nail taking structure (74) is positioned on one side of a battery, on which steel nails are fixed, and the nail taking device further comprises a nail taking detection structure (75); A buffer cabinet (9) is arranged between the battery nailing device (7) and the nail taking device (8); Sorting equipment (1000) comprises a bidirectional slitting device, a winding core strip breaker and a sorting device, wherein the bidirectional slitting device comprises a slitting machine cabinet (80), a middle section slitting feeding piece (81) is arranged on the slitting machine cabinet (80), two slitting stations are respectively arranged at two ends of the middle section slitting feeding piece (81), a bidirectional slitting component is arranged on each slitting station, the winding core strip breaker comprises a breaking frame (90), a breaking fixed cylinder (95) and a breaking movable cylinder (96) positioned in the breaking fixed cylinder (95) are arranged on the breaking frame (90), the sorting device comprises a first winnowing machine (1) connected with a winding core blanking cylinder (98) through an air pipe, heavy components of the first winnowing machine (1) are connected onto a second winnowing machine (2) through the air pipe, and the second winnowing machine (2) is connected with a color sorter group (3).
  2. 2. The waste lithium battery recycling line according to claim 1, wherein a positioning table (12) with adjustable size is arranged at the discharge end of the milling section feeding conveyor belt (11), a milling transfer mechanism (13) is arranged on one side of the positioning table (12), a battery milling positioning structure is arranged at the opposite position of the milling structure, and after the battery is transferred to the positioning table (12) for positioning by the milling transfer mechanism (13), the battery is clamped and fixed through the battery milling positioning structure, and then the milling structure is moved to the position of a battery pole for milling.
  3. 3. The waste lithium battery recycling line according to claim 1, wherein a heat dissipation structure is arranged on the discharging module (22), a discharging limit structure (23) is arranged on the opposite position of the discharging module (22), a two-way temperature detection structure (24) is arranged on the battery discharging rest (21), and after the battery is fed to the battery discharging rest (21) by the manipulator, the battery is pushed onto the discharging module (22) through the discharging limit structure (23), so that a pole post of the battery is contacted with the copper sheet (27) and the battery is discharged by electrifying the terminal.
  4. 4. The waste lithium battery recycling line according to claim 1, wherein an encoder of the measuring table (16) is electrically connected with an upper and lower discharging manipulator (312), the upper and lower discharging manipulator (312) is electrically connected with a discharging cabinet (32), and when the upper and lower discharging manipulator (312) transfers the battery with measured size to a corresponding battery discharging rack (21), the discharging cabinet (32) corresponding to the battery discharging rack (21) outputs current with corresponding size according to the size of the battery.
  5. 5. The waste lithium battery recycling treatment line according to claim 1, wherein the battery steering positioning structure comprises a steering workbench (40), a steering workbench driving part (41) is arranged on the steering workbench (40), the steering workbench driving part (41) pushes a battery to a steering station, a steering positioning assembly (42) comprises a steering fixing guide part (421) attached to the tail end of the steering workbench (40), a steering turnover part (422) is movably arranged on the inner side of the steering fixing guide part (421), a steering clamping part (423) is arranged on the steering turnover part (422), and when the steering workbench driving part (41) pushes the battery to the steering turnover part (422), the battery is clamped by the steering clamping part (423) and the steering turnover part (422) rotates along the steering fixing guide part (421) until the battery is in a vertical state.
  6. 6. The waste lithium battery recycling line according to claim 1, wherein the battery tapping device comprises a tapping platform (50), the tapping platform (50) is connected with a platform position moving part (51), the platform position moving part (51) moves the tapping platform (50) to the middle of a tapping cabinet (54), a tapping limit structure (52) comprises a tapping limit frame (521) arranged on the tapping platform (50), the tapping limit frame (521) is driven by a tapping limit driving structure (522), and after the battery is moved to the tapping platform (50) by a tapping feeding structure (57), the tapping limit driving structure (522) drives the tapping limit frame (521) to clamp and fix the battery.
  7. 7. The waste lithium battery recycling line according to claim 6, further comprising a liquid discharging structure (53), wherein at least one hole is formed in the liquid discharging platform (50), the liquid discharging structure (53) comprises a liquid discharging pipe (531) arranged in the hole, the liquid discharging pipe (531) is driven by a pipeline driving structure (532), and the pipeline driving structure (532) is fixed at the bottom of the liquid discharging platform (50).
  8. 8. The waste lithium battery recycling line according to claim 1, wherein the automatic feeding structure (62) comprises a vibration bulk tray (621) arranged on a nailing machine cabinet (60), a plurality of steel nails are contained in the vibration bulk tray (621), a steel nail feeding frame (622) is arranged at the discharging end of the vibration bulk tray (621), a steel nail clamping jaw structure (623) is arranged at the outlet position of the steel nail feeding frame (622), steel nails are conveyed onto the steel nail feeding frame (622) by the vibration bulk tray (621), the steel nails are fed onto the steel nail clamping jaw structure (623) through the steel nail feeding frame (622), the steel nails are fed onto the lower end of the nailing structure (61) through the steel nail clamping jaw structure (623), and then the nailing structure (61) presses downwards for nailing.
  9. 9. The waste lithium battery recycling line according to claim 1, wherein the nail taking detection structure (75) comprises a nail taking push rod (751) arranged on one side of the nail taking transmission frame (71), a recycling transmission belt (752) is arranged at the opposite position of the nail taking push rod (751), a power detection plate (753) is arranged on the nail taking push rod (751), an up-and-down opposite blocking piece is arranged between the recycling transmission belt (752) and the nail taking transmission frame (71), when the battery moves to the position of the nail taking push rod (751) through the nail taking transmission frame (71), the nail taking push rod (751) pushes the battery to the opposite blocking piece, the residual power of the battery is detected through the power detection plate (753), when the battery power is lower than the standard, the nail taking structure (74) descends and starts to take nails, when the battery power is higher than the standard, the opposite blocking piece descends, and the nail taking push rod (751) pushes the battery onto the recycling transmission belt (752) in a secondary pushing mode.
  10. 10. The waste lithium battery recycling line according to claim 1, wherein the breaking frame (90) is provided with two total processing barrel fixing frames (91) in an upward extending mode, the two total processing barrel fixing frames (91) are provided with a total processing barrel (92) in a movable mode, one end of each total processing barrel (92) is provided with a total processing barrel driving structure (93), the other end of each total processing barrel (92) is provided with a winding core feeding barrel (94), the winding core feeding barrel (94) is connected with a discharging port of a slitting conveyor belt (87), the total processing barrels (92) comprise breaking fixing barrels (95) fixed on the total processing barrel fixing frames (91), the inner sides of the breaking fixing barrels (95) are provided with breaking movable barrels (96), the breaking movable barrels (96) are connected with the total processing barrel driving structures (93), the lower ends of the breaking fixing barrels (95) are connected with lower discharging structures (97), the lower ends of the total processing barrel fixing frames (91) are far away from the winding cores (94), and the outer sides of the breaking fixing barrels (95) are provided with outer connecting barrels (99).

Description

Recycling line for waste lithium batteries Technical Field The invention relates to the field of battery recovery, in particular to a waste lithium battery recovery treatment line. Background The current large-scale retirement tide of power batteries is coming, the comprehensive utilization amount of domestic retired power batteries breaks through hundreds of thousands tons according to 2024 data, the corresponding market scale is huge, and the retired lithium batteries are expected to be mainly sourced from new energy automobiles and consumer electronic equipment in the subsequent breakthrough of trillion yuan scale, the existing treatment mode of waste batteries is a parallel binary technical path of 'gradient utilization' and 'recycling', the 'gradient utilization' is a battery with healthier capacity, the battery can be recycled in the fields of communication base stations, low-speed electric vehicles, distributed energy storage and the like, and the 'recycling' is a mode of obtaining black powder after physical crushing for recycling valuable metals through hydrometallurgy for the battery with capacity lower than 40%. When the traditional 'recycling' is used for physically crushing the battery, the whole crushing mode is adopted, the waste battery is directly thrown into the crusher to be crushed, and the crushed product is sieved and separated to obtain the black powder, but the proportion of the obtained black powder to the total material is small due to excessive components in the crushed product, so that the prior art also adopts a mode of removing the shell to treat the winding core of the battery, a plurality of steps are needed when the winding core is used for separating the positive plate, the negative plate and the diaphragm, and equipment clamping belts are often caused due to different winding modes of different electric cores, and shutdown maintenance is needed, so that the yield of the black powder cannot be improved. Therefore, the scheme aims to provide a waste lithium battery recycling line which can cut off the shell of the battery after completely discharging the electric quantity of the battery, break up and separate the rolled core after cutting the rolled core into fragments, and separate the rolled core fragments and then select the color, so that 70% -80% of positive electrode materials and negative electrode materials in the rolled core fragments can be separated, and the yield of black powder is improved. Disclosure of Invention The invention provides a waste lithium battery recycling line which can effectively solve the problems. The invention is realized in the following way: a waste lithium battery recycling line, comprising: The electrode batch milling equipment comprises a milling machine table, wherein one end of the milling machine table is provided with a milling section feeding transmission belt for transmitting batteries, the other end of the milling machine table is connected with a milling section discharging transmission belt, and a movable milling structure for milling the batteries is arranged on the milling machine table; The recovery discharging equipment comprises a measuring table for measuring the size of a battery, a milling section discharging transmission belt is arranged on one side, close to discharging, of the measuring table, a plurality of stereoscopic warehouse cabinets are arranged on two sides of the milling section discharging transmission belt, the recovery discharging equipment further comprises an adaptive distribution adjusting structure, a discharging device and a current distribution structure, the adaptive distribution adjusting structure comprises an upper discharging manipulator and a lower discharging manipulator which are arranged on the milling section discharging transmission belt, the discharging device comprises a plurality of battery discharging rest frames arranged on the stereoscopic warehouse cabinets, two discharging modules are arranged on the battery discharging rest frames, copper sheets are fixedly connected onto the discharging modules and are connected into the discharging cabinets through wiring terminals, the current distribution structure comprises a plurality of discharging cabinets arranged inside the stereoscopic warehouse cabinets, all the discharging cabinets are connected into the same terminal, and the number of the discharging cabinets corresponds to the number and the positions of the battery discharging rest frames one by one; The battery liquid discharge device comprises a liquid discharge cabinet, a battery steering positioning structure and a battery liquid discharge device, wherein a plurality of support arms are arranged in the liquid discharge cabinet, a liquid discharge portal frame is arranged on the support arms, a liquid discharge feeding structure is arranged on the liquid discharge portal frame, a plurality of battery puncture structures are arranged in the same column of the liquid discharge fe