Search

CN-116475601-B - Lithium battery laser cutting sheet material receiving device

CN116475601BCN 116475601 BCN116475601 BCN 116475601BCN-116475601-B

Abstract

The application relates to the technical field of lithium battery production and processing, in particular to a lithium battery laser cutting sheet material receiving device which comprises a frame and a laser cutting machine arranged on the frame, wherein a cooling assembly and a receiving assembly are arranged below the laser cutting machine, the cooling assembly comprises a cold water roller and a plurality of cooling rings, the cold water roller is rotationally connected to the frame, the cold water roller is arranged in a hollow mode and is connected with a cold feeding part, the cooling rings are arranged at intervals along the axis direction of the cold water roller, the upper surfaces of the cooling rings form bearing surfaces, the upper surfaces of the cooling rings can be abutted against a sheet material to be cut, a strut is communicated between each cooling ring and the cold water roller, a driving part is arranged on the cold water roller and is used for driving the cold water roller to rotate, the receiving assembly is arranged below the cold water roller, and the receiving assembly is used for collecting the cut sheet material. The application has the effects of reducing the metal particles attached to the surface of the cut sheet and improving the neatness of the received material.

Inventors

  • XU HONGXING
  • ZHANG FUPING
  • WANG WENQIANG
  • ZHOU CHEN

Assignees

  • 江苏先进光源技术研究院有限公司

Dates

Publication Date
20260505
Application Date
20230515

Claims (8)

  1. 1. The lithium battery laser cutting sheet material receiving device comprises a frame (1) and a laser cutting machine (2) arranged on the frame (1), and is characterized in that the frame (1) is provided with a cooling component (3) and a material receiving component (4) below the laser cutting machine (2); The cooling assembly (3) comprises a cold water roller (31) and a plurality of cooling rings (32), wherein the cold water roller (31) is rotationally connected to the frame (1), the cold water roller (31) is arranged in a hollow mode and is connected with cold feeding pieces (35), the cooling rings (32) are arranged at intervals along the axis direction of the cold water roller (31), the upper surfaces of the cooling rings (32) form bearing surfaces, the upper surfaces of the cooling rings (32) can be abutted against a sheet to be cut, a strut (33) is communicated between each cooling ring (32) and the cold water roller (31), a driving piece (34) is arranged on the cold water roller (31), and the driving piece (34) is used for driving the cold water roller (31) to rotate; The material collecting assembly (4) is located below the cold water roller (31), and the material collecting assembly (4) collects cut sheets.
  2. 2. The laser cutting sheet material receiving device for lithium batteries according to claim 1, wherein the size of the supporting surface formed by the cooling ring (32) is smaller than the area of the sheet material to be cut.
  3. 3. The device for receiving the lithium battery laser cutting sheet material according to claim 1 or 2, wherein the cooling ring (32) and the support post (33) are detachably connected.
  4. 4. The lithium battery laser cutting sheet material receiving device according to claim 1, wherein the material receiving component (4) comprises a material receiving box (41), a baffle plate (42) and a lifting piece (43), the material receiving box (41) is obliquely arranged below the cold water roller (31), one end, close to the cold water roller (31), of the material receiving box (41) is higher than one end, far away from the cold water roller (31), of the material receiving box (41), the baffle plate (42) is slidably connected in the material receiving box (41), the material receiving box (41) is divided into a material storage cavity (44) and a material distribution cavity (45) by the baffle plate (42), the material storage cavity (44) is higher than the material distribution cavity (45), a material discharging through groove (46) is formed in one side, close to the material distribution cavity (45), of the material receiving box (41) is provided with a material distribution brush (5), and the material distribution brush (5) is rotatably connected with the machine frame (1).
  5. 5. The laser cutting sheet material receiving device for the lithium battery is characterized in that a material guiding assembly (6) is arranged at the position of the material distributing brush (5), the material guiding assembly (6) comprises a material guiding belt (61) and a material guiding drive (63), a plurality of material guiding grooves (62) are uniformly distributed on the material guiding belt (61), the depth of the material guiding grooves (62) is the same as the thickness of a cut sheet material, and the material guiding drive (63) is used for driving the material guiding belt (61) to convey the sheet material.
  6. 6. The laser cutting sheet material receiving device for lithium batteries according to claim 5, wherein the material guiding belt (61) is detachably connected with the material guiding drive (63).
  7. 7. The laser cutting sheet material receiving device for the lithium battery according to claim 6, wherein a negative pressure piece (7) is arranged below the material guide belt (61), ventilation holes (64) are formed in each material guide groove (62) of the material guide belt (61), and the negative pressure piece (7) is used for forming negative pressure in the material guide grooves (62).
  8. 8. The laser cutting sheet material collecting device of the lithium battery according to claim 5, wherein a material sucking part (8) and a material feeding part (9) are arranged on one side, far away from the material collecting box (41), of the material guiding assembly (6), the material sucking part (8) is located at one end, far away from the material collecting box (41), of the material guiding assembly (6), the material sucking part (8) comprises a material sucking roller (81) and a plurality of material sucking heads (82), the material sucking heads (82) are arranged at intervals along the axis direction of the material sucking roller (81), the material sucking heads (82) are used for sucking sheets in the material guiding groove (62), a rotary driving part (83) is connected to the material sucking roller (81), the rotary driving part (83) is used for driving the material sucking roller (81) to rotate, the material feeding part (9) is located on one side of the material sucking roller (81), and the material feeding part (9) is used for receiving sheets on the material sucking heads and conveying the sheets.

Description

Lithium battery laser cutting sheet material receiving device Technical Field The application relates to the technical field of lithium battery production and processing, in particular to a laser cutting sheet material receiving device for a lithium battery. Background In the production process of the lithium battery, the strip-shaped pole piece material is required to be cut into single-piece pole pieces, and the process is called pole piece forming. Each battery equipment manufacturer mainly comprises three pole piece forming modes of a punching machine, a hardware die cutting machine and a laser cutting machine. The laser cutting machine comprises a frame, a plurality of sections of cutting rollers and a laser light source, wherein the sections of cutting rollers are arranged on the frame, the sections of cutting rollers comprise two or more than two rotating rollers and two or more than two static rollers, the rotating rollers and the static rollers are coaxial and have the same diameter and are distributed at intervals along the axial direction, grooves are formed in the static rollers, the rotating rollers can rotate relative to the static rollers, and the laser light source can emit laser beams to the grooves. Aiming at the related technology, the technical defects that a certain amount of metal particles are sputtered on the surface of a pole piece due to the fact that pole piece materials are instantaneously melted and sputtered in the laser cutting process, so that more metal particles are attached to the surface of the cut pole piece, the attached metal particles short-circuit a lithium battery, fly ash is generated in the cutting process, the surface of the pole piece is polluted, the cut sheet is easy to accumulate, and the material collection is disordered are overcome. Disclosure of Invention The application provides a laser cutting sheet material receiving device for a lithium battery, which aims to reduce metal particles attached to the surface of a cut sheet material and improve the neatness of received materials. The application provides a laser cutting sheet material receiving device for a lithium battery, which adopts the following technical scheme: The lithium battery laser cutting sheet material receiving device comprises a machine frame, a cooling assembly and a receiving assembly are arranged below a laser cutting machine, the cooling assembly comprises a cold water roller and a plurality of cooling rings, the cold water roller is rotationally connected to the machine frame, the cold water roller is arranged in a hollow mode and is connected with a cold feeding part, the cooling rings are arranged at intervals along the axis direction of the cold water roller, the upper surfaces of the cooling rings form a bearing surface, the upper surfaces of the cooling rings can be abutted to a sheet material to be cut, a strut is communicated between each cooling ring and the cold water roller, a driving part is arranged on the cold water roller and used for driving the cold water roller to rotate, the receiving assembly is located below the cold water roller, and the receiving assembly is used for collecting the cut sheet material. Through adopting above-mentioned technical scheme, when cutting the pole piece, start the driving piece, the driving piece makes a plurality of cooling rings up, and the bearing face is laminated with the bottom surface of the sheet that waits to cut, starts to send cold piece, send cold piece to carry cold water in the cooling ring, and laser cutting machine cuts the sheet, starts the driving piece, and the driving piece drives the cooling ring and rotates, drops the sheet of cooling ring surface bearing to receive in the material subassembly, reduces the attached metal particle of cutting back sheet surface, improves the neatly degree of receiving the material. Optionally, the cooling ring forms a bearing surface of a size smaller than the area of the sheet to be cut. Through adopting above-mentioned technical scheme, be convenient for when cutting the sheet, the cooling ring is to the time of accepting of sheet, improves the stability of cutting, reduces the possibility that the sheet dropped when cutting. Optionally, the cooling ring is detachably connected with the support post. By adopting the technical scheme, the cooling rings with different diameters or shapes can be conveniently replaced. Optionally, receive the material subassembly and include receipts workbin, baffle and lifter, receive the workbin slope setting in cold water roller below, receive the one end that the workbin is close to the cold water roller to be higher than the one end that the cold water roller was kept away from to the receipts workbin, baffle sliding connection is in receiving the workbin, and the baffle separates into storage cavity and cloth chamber with receiving the workbin, and the storage cavity is higher than the cloth chamber, and the unloading logical groove has been seted