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CN-224217463-U - Pole piece production device

CN224217463UCN 224217463 UCN224217463 UCN 224217463UCN-224217463-U

Abstract

The application provides a pole piece production device which comprises a film forming assembly, a laminating roller set and a laser cutting assembly, wherein the film forming assembly is used for extruding powder to form a film layer, the laminating roller set is arranged at the downstream of the film forming assembly, the laminating roller set comprises two rollers, a roller gap is formed between the two rollers, the roller gap is used for a conductive carrier to pass through, the two rollers can rotate relatively to laminate the film layer on the surface of the conductive carrier, the laser cutting assembly is arranged at the downstream of the laminating roller set, so that the film layer laminated on the conductive carrier is cut along the transmission direction of the conductive carrier, and the film layer is cut into a specific width or the edge of the film layer is trimmed, so that the continuous automatic production process from film forming, laminating to cutting is realized, and the production efficiency is improved.

Inventors

  • Request for anonymity

Assignees

  • 无锡先导智能装备股份有限公司

Dates

Publication Date
20260508
Application Date
20241231

Claims (9)

  1. 1. A pole piece production device (1), characterized by comprising: A film forming assembly (100), wherein the film forming assembly (100) is used for extruding powder into a film layer; The laminating roller set (200) is arranged at the downstream of the film forming assembly (100), the laminating roller set (200) comprises two rollers (210), a roller gap is formed between the two rollers (210), the roller gap is used for allowing a conductive carrier (10) to pass through, and the two rollers (210) can rotate relatively to laminate the film layer on the surface of the conductive carrier (10); A laser cutting assembly (300) arranged on a transmission path of the conductive carrier (10) for cutting the film layer attached to the conductive carrier (10) along the transmission direction of the conductive carrier (10); The cleaning assembly (400) comprises a scraper mounting frame and a scraper mounted on the scraper mounting frame, wherein the scraper is used for removing waste materials formed by cutting of the laser cutting assembly (300).
  2. 2. Pole piece production device (1) according to claim 1, characterized in that, The film forming assembly (100) comprises a first film forming piece (110) and a second film forming piece (120), wherein the first film forming piece (110) is used for extruding powder to form a first film layer (21), and the second film forming piece (120) is used for extruding powder to form a second film layer (22); A laminating roller set (200), wherein the laminating roller set (200) is arranged between the first film forming piece (110) and the second film forming piece (120) so as to laminate the first film layer (21) and the second film layer (22) on two opposite surfaces of the conductive carrier (10); And the laser cutting assembly (300) is used for cutting the first film layer (21) and the second film layer (22) attached to the conductive carrier (10) along the transmission direction of the conductive carrier (10).
  3. 3. Pole piece production device (1) according to claim 2, characterized in that the width of the conductive carrier (10) is adapted to the width of one pole piece, the laser cutting assembly (300) comprises two laser cutting members (310), the two laser cutting members (310) being arranged on both sides of the conductive carrier (10) in the width direction, respectively.
  4. 4. Pole piece production device (1) according to claim 2, characterized in that, The width of the conductive carrier (10) is matched with the width of the plurality of pole pieces, a plurality of base coats (11) are arranged on the conductive carrier (10) at intervals along the width direction of the conductive carrier (10), the base coats (11) are used for adhering the first film layer (21) and the second film layer (22), and a blank space (12) is formed between two adjacent base coats (11); The laser cutting assembly (300) comprises at least three laser cutting pieces (310), wherein two of the laser cutting pieces (310) are used for removing two side edges of a first film layer (21) and a second film layer (22) in the width direction of the conductive carrier (10), and other laser cutting pieces (310) are used for removing the first film layer (21) and the second film layer (22) at the blank area (12).
  5. 5. A pole piece production device (1) according to claim 3, wherein the laser cutting assembly (300) includes a mounting bar (320) extending in the width direction of the conductive carrier (10), and a plurality of the laser cutting members (310) are disposed on the mounting bar (320) at intervals in the width direction of the conductive carrier (10).
  6. 6. Pole piece production device (1) according to claim 1, characterized in that it is arranged upstream of the laser cutting assembly (300) on the transport path of the conductive carrier (10) for cleaning the scrap material cut by the laser cutting assembly (300).
  7. 7. Pole piece production device (1) according to claim 6, characterized in that the wiper mount is arranged upstream of the laser cutting assembly (300) on the transport path of the electrically conductive carrier (10).
  8. 8. Pole piece production device (1) according to claim 7, characterized in that the wiper is floatingly mounted on the wiper mounting frame in the direction of abutment of the wiper with the conductive carrier (10).
  9. 9. The pole piece production device (1) of claim 7, wherein the cleaning assembly (400) further comprises a negative pressure collector for sucking and collecting the scraped waste material.

Description

Pole piece production device Technical Field The application relates to the technical field of battery production, in particular to a pole piece production device. Background In the pole piece production process, powder is extruded into a film by a film forming assembly, the extruded film is extruded and laminated on two opposite surfaces of the conductive carrier by a laminating roller set, after coating is finished, a traditional mechanical cutter is used for cutting or trimming a film layer on the conductive carrier to obtain the pole piece with the required size and shape, but the cutting mode needs frequent manual operation to replace the cutter and adjust the cutting position, so that the production efficiency of the pole piece is reduced. Disclosure of utility model The application discloses a pole piece production device which can improve the production efficiency of pole pieces. In order to achieve the above object, the present application discloses a pole piece production device, comprising: The film forming assembly is used for extruding and forming powder into a film layer; The laminating roller set is arranged at the downstream of the film forming assembly, the laminating roller set comprises two rollers, a roller gap is formed between the two rollers, the roller gap is used for allowing a conductive carrier to pass through, and the two rollers can rotate relatively so as to laminate the film layer on the surface of the conductive carrier; The laser cutting assembly is arranged on the transmission path of the conductive carrier so as to cut the film layer attached to the conductive carrier along the transmission direction of the conductive carrier. Optionally, the film forming assembly includes a first film forming member for extruding powder into a first film layer and a second film forming member for extruding powder into a second film layer; The laminating roller set is arranged between the first film forming piece and the second film forming piece so as to laminate the first film layer and the second film layer on two opposite surfaces of the conductive carrier; And the laser cutting assembly is used for cutting the first film layer and the second film layer which are attached to the conductive carrier along the transmission direction of the conductive carrier. Optionally, the width of the conductive carrier is adapted to the width of one pole piece, and the laser cutting assembly comprises two laser cutting pieces, and the two laser cutting pieces are respectively arranged at two sides of the conductive carrier in the width direction. Optionally, the width of the conductive carrier is adapted to the width of the plurality of pole pieces, a plurality of base coats are arranged on the conductive carrier at intervals along the width direction of the conductive carrier, the base coats are used for adhering the first film layer and the second film layer, and the adjacent two base coats form a blank area; The laser cutting assembly comprises at least three laser cutting pieces, wherein two laser cutting pieces are used for removing two side edges of the first film layer and the second film layer in the width direction of the conductive carrier, and other laser cutting pieces are used for removing the first film layer and the second film layer at the blank area. Optionally, the laser cutting assembly includes a mounting bar extending along a width direction of the conductive carrier, and the plurality of laser cutting members are disposed on the mounting bar at intervals along the width direction of the conductive carrier. Optionally, the pole piece production device further comprises a cleaning component, wherein the cleaning component is arranged on the upstream of the laser cutting component on the transmission path of the conductive carrier so as to clean the waste material formed by cutting by the laser cutting component. Optionally, the cleaning assembly includes a blade mounting rack and a blade mounted on the blade mounting rack, the blade mounting rack is disposed on the transmission path of the conductive carrier at an upstream of the laser cutting assembly, and the blade is used for removing waste materials formed by cutting of the laser cutting assembly. Optionally, the squeegee is floatingly mounted on the squeegee mount along a direction of abutment of the squeegee with the conductive carrier. Optionally, the cleaning assembly further comprises a negative pressure collecting member for sucking and collecting the waste cleaned by the scraper. Compared with the prior art, the application has the beneficial effects that: In the pole piece production process, firstly, the film forming component extrudes powder into a film layer, the conductive carrier enters a roller between two rollers in the transmission process, the two rollers rotate relatively, the film layer is tightly attached to the surface of the conductive carrier due to the extrusion effect of the rollers, an attached body of