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CN-224208311-U - Pole piece edge gluing equipment

CN224208311UCN 224208311 UCN224208311 UCN 224208311UCN-224208311-U

Abstract

The utility model belongs to the technical field of batteries, and discloses pole piece edge gluing equipment, which comprises two oppositely arranged conveyor belts and a gluing component, wherein a space between the two conveyor belts is used for clamping and conveying a piece to be glued, the gluing component is arranged on one side of the conveyor belts, the gluing component comprises a gluing seat and a glue spraying nozzle, the gluing seat defines a gluing groove, one side of the gluing groove, which is close to the conveyor belts, is provided with the glue spraying groove which extends along a first direction and penetrates through the side wall of the gluing seat, and the glue spraying nozzle is arranged in the gluing groove and corresponds to the glue spraying groove. The pole piece edge gluing equipment can stably glue the side face of the pole piece, reduce the probability that insulating glue overflows to the upper surface and the lower surface of the pole piece, stably isolate edge sealing, and meanwhile, the thickness of the edge of the pole piece cannot be increased, so that the energy density of an electric core is improved.

Inventors

  • SUN QINGSHAN
  • WANG ZHUOWEI
  • Xing man
  • LI HONGJU
  • GUO WEI

Assignees

  • 中创新航材料科技(四川)有限公司
  • 中创新航科技集团股份有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (14)

  1. 1. A pole piece edge gluing device, comprising: Two oppositely arranged conveyor belts (100), the space between the two conveyor belts (100) being used for clamping and conveying the piece to be glued; The gluing assembly (200), gluing assembly (200) are established one side of conveyer belt (100), gluing assembly (200) are including rubber coating seat (210) and spouting gluey mouth (220), rubber coating seat (210) are limited gluing groove (201), one side that gluing groove (201) is close to conveyer belt (100) is provided with along first direction extension and runs through spout gluey groove (2121) of the lateral wall of rubber coating seat (210), spout gluey mouth (220) and establish in gluing groove (201), and with spout gluey groove (2121) correspond and set up.
  2. 2. Pole piece edge gluing device according to claim 1, characterized in that the conveying speeds of the two conveyor belts (100) are identical.
  3. 3. Pole piece edge gluing device according to claim 1, characterized in that the ratio of the width of the conveyor belt (100) located above in the second direction to the width of the conveyor belt (100) located below in the second direction is greater than 2/3.
  4. 4. A pole piece edge gluing device according to claim 3, characterized in that the edges of the two conveyor belts (100) are arranged flush.
  5. 5. The pole piece edge gluing device according to claim 1, wherein the glue spraying nozzle (220) is arranged obliquely, and an included angle between a glue spraying direction of the glue spraying nozzle (220) and the second direction is smaller than 30 °.
  6. 6. The pole piece edge gluing device according to claim 1, characterized in that the glue nozzle (220) is arranged opposite to the glue spraying groove (2121).
  7. 7. The pole piece edge gluing device according to claim 1, characterized in that the distance between the side wall of the gluing seat (210) provided with the glue spraying groove (2121) and the glue spraying nozzle (220) is L, L satisfying the relation 0< L < 0.5mm.
  8. 8. The pole piece edge gluing device according to claim 1, characterized in that the ratio of the size of the glue spraying groove (2121) along the third direction to the thickness of the piece to be glued is 1-1.3.
  9. 9. Pole piece edge gluing device according to claim 1, characterized in that in the second direction the edge of the piece to be glued is located outside the inner side wall of the gluing slot (201) or the edge of the piece to be glued is flush with the inner side wall of the gluing slot (201).
  10. 10. The pole piece edge gluing device according to claim 1, further comprising a glue scraping piece (300), wherein the glue scraping piece (300) is rotatably mounted on the inner side of the gluing groove (201) and is arranged at a distance from the glue spraying nozzle (220), and a glue scraping end of the glue scraping piece (300) is arranged at a distance from a side wall of the gluing seat (210) provided with the glue spraying groove (2121).
  11. 11. The pole piece edge gluing device according to claim 10, further comprising a heating mechanism connected to the doctor blade (300) for heating the doctor blade (300).
  12. 12. Pole piece edge gluing device according to claim 1, characterized in that two glue modules (200) are provided and that two glue modules (200) are symmetrically arranged on both sides of the conveyor belt (100) in the second direction.
  13. 13. The pole piece edge gluing device according to claim 1, further comprising a glue storage assembly (400), the glue storage assembly (400) comprising a glue storage tank (410), a heating element (420) for heating the glue storage tank (410), and a transfer pump (430) connected to the glue storage tank (410) and the glue spray nozzle (220).
  14. 14. The pole piece edge gluing device according to claim 1, characterized in that the gluing seat (210) comprises a seat body (211) and a side plate (212), the seat body (211) is arranged open towards one side of the conveyor belt (100), the side plate (212) is connected to one side of the seat body (211) towards the conveyor belt (100), and the glue spraying groove (2121) is arranged on the side plate (212).

Description

Pole piece edge gluing equipment Technical Field The utility model relates to the technical field of battery manufacturing, in particular to pole piece edge gluing equipment. Background When insulating glue is coated on the edge of the pole piece to carry out isolation edge sealing, a glue coating area is not easy to control, glue coating on the side surface of the pole piece is easy to overflow to the upper surface and the lower surface of the pole piece, so that the thickness of the edge of the pole piece is increased, and after a battery cell is formed, the thickness of the end part of the battery cell is also thicker, thereby being unfavorable for improving the energy density of the battery cell. Disclosure of utility model The utility model aims to provide pole piece edge gluing equipment, which can stably glue the side surface of a pole piece, reduce the probability of overflow of insulating glue to the upper surface and the lower surface of the pole piece, stably isolate edge sealing, and simultaneously not increase the thickness of the edge of the pole piece, thereby being beneficial to improving the energy density of an electric core. To achieve the purpose, the utility model adopts the following technical scheme: The pole piece edge gluing equipment comprises two oppositely arranged conveyor belts, a gluing assembly and a gluing assembly, wherein a space between the two conveyor belts is used for clamping and conveying a piece to be glued, the gluing assembly is arranged on one side of the conveyor belts and comprises a gluing seat and a glue spraying nozzle, the gluing seat defines a gluing groove, one side of the gluing groove, which is close to the conveyor belts, is provided with a glue spraying groove which extends along a first direction and penetrates through the side wall of the gluing seat, and the glue spraying nozzle is arranged in the gluing groove and corresponds to the glue spraying groove. The pole piece edge gluing equipment has the beneficial effects that the two conveying belts clamp and convey the piece to be glued, so that the position stability of the piece to be glued in the conveying process can be ensured, the phenomenon that the position deviation or shaking occurs in the conveying process of the piece to be glued is avoided, when the edge passes through the position corresponding to the glue spraying groove in the conveying process of the piece to be glued, the glue spraying nozzle sprays glue on the side surface of the edge of the piece to be glued, the glue can only be sprayed on the side surface of the edge of the piece to be glued when spraying glue, the insulating glue sprayed on the upper surface and the lower surface of the piece to be glued is blocked by the side wall around the glue spraying groove, and the gluing area is accurately controlled in the side surface area of the piece to be glued, so that the probability that the insulating glue overflows to the upper surface and the lower surface of the piece to be glued is reduced, the edge thickness of the piece to be glued is not increased when the edge sealing is stably isolated, and the energy density of a battery core is facilitated. Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. Drawings Fig. 1 is a schematic structural view of a pole piece edge gluing device according to an embodiment of the present utility model; Fig. 2 is a schematic diagram of a partial structure of a pole piece edge gluing device according to an embodiment of the present utility model; FIG. 3 is a schematic view of another partial structure of a pole piece edge gluing device according to an embodiment of the present utility model; FIG. 4 is a partial cross-sectional view of a pole piece edge gluing device according to an embodiment of the present utility model; FIG. 5 is a schematic view of the structure of a conveyor belt according to an embodiment of the utility model; FIG. 6 is a partial cross-sectional view of another pole piece edge gluing device in accordance with an embodiment of the present utility model; Fig. 7 is a schematic view of another conveyor belt according to an embodiment of the utility model. Reference numerals: 100. A conveyor belt; 200. the device comprises a gluing component, a gluing seat, a 211, a seat body, 212, a side plate, 2121, a glue spraying groove, 220, a glue spraying nozzle, 201 and a glue spraying groove; 300. A scraping piece; 400. the glue storage assembly comprises a glue storage tank 410, a heating element 420, a conveying pump 430, a pipeline 440 and a pipeline; 10. pole pieces. Detailed Description The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting