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CN-224204128-U - Lithium battery production hot press device

CN224204128UCN 224204128 UCN224204128 UCN 224204128UCN-224204128-U

Abstract

The utility model relates to the technical field of lithium battery hot pressing, and discloses a lithium battery production hot pressing device, which comprises a hot pressing table, wherein a buffer mechanism is arranged on the upper surface of the hot pressing table and comprises a U-shaped frame, a bearing plate, a buffer spring and a telescopic rod, and the bottom of the U-shaped frame is fixedly arranged with the top of the hot pressing table. This lithium cell production hot press unit, through the use of U type frame, the pneumatic cylinder, connecting plate and hot briquetting, can be more convenient when the hot pressing, the decline that drives hot briquetting position can reach the effect of carrying out the hot pressing, through the use of accepting the board, buffer spring, the telescopic link, rectangular channel one and frame, can cushion its intensity that descends when the position of connecting plate and hot briquetting descends, and then how when hot pressing lithium cell has been solved, the problem of how carrying out buffering hot pressing to it, can reach the effect that avoids causing direct injury to lithium cell when the hot pressing, the security when the hot pressing has been improved.

Inventors

  • WANG LIHONG
  • XU XIYAN
  • WEI MINGZHU
  • ZHANG TINGTING

Assignees

  • 江苏启科能源科技有限公司

Dates

Publication Date
20260505
Application Date
20250427

Claims (7)

  1. 1. The hot pressing device for lithium battery production is characterized by comprising a hot pressing table (1), wherein a buffer mechanism (19) is arranged on the upper surface of the hot pressing table (1), the buffer mechanism (19) comprises a U-shaped frame (3), a bearing plate (8), a buffer spring (9) and a telescopic rod (10), the bottom of the U-shaped frame (3) is fixedly arranged at the top of the hot pressing table (1), the outer surface of the bearing plate (8) is in sliding connection with the inner wall of the U-shaped frame (3), one end of the buffer spring (9) is fixedly arranged at the bottom of the bearing plate (8), one end of the telescopic rod (10) is fixedly arranged at the bottom of the bearing plate (8), the other end of the buffer spring (9) is fixedly connected with the inside of the U-shaped frame (3), and the other end of the telescopic rod (10) is fixedly connected with the inside of the U-shaped frame (3).
  2. 2. The lithium battery production hot pressing device according to claim 1, wherein the right side of the upper surface of the hot pressing table (1) is provided with a collecting mechanism (20), the collecting mechanism (20) comprises an electric push rod (7), a frame (12), a connecting frame (15), a collecting box (16), a connecting inclined plate (17) and a cover plate (18), one end of the electric push rod (7) is fixedly installed inside the hot pressing table (1), the left side of the bottom end of the frame (12) is fixedly connected with the other end of the electric push rod (7), the left side of the connecting frame (15) is fixedly installed on the right side of the frame (12), the outer surface of the collecting box (16) is fixedly installed inside the hot pressing table (1), the left side of the connecting inclined plate (17) is fixedly installed on the left side inside the collecting box (16), and the left side of the cover plate (18) is fixedly installed on the right side of the connecting frame (15).
  3. 3. The hot pressing device for lithium battery production according to claim 1, wherein a hydraulic cylinder (4) is arranged at the top of the U-shaped frame (3), and a connecting plate (5) is fixedly arranged at one end of an output shaft of the hydraulic cylinder (4).
  4. 4. The hot pressing device for lithium battery production according to claim 3, wherein the bottom of the connecting plate (5) is fixedly provided with a hot pressing block (6), and rectangular grooves I (11) are formed in two sides of the connecting plate (5).
  5. 5. The hot pressing device for lithium battery production according to claim 1, wherein the support frames (2) are fixedly arranged on two sides of the bottom of the hot pressing table (1).
  6. 6. The hot press for lithium battery production according to claim 2, wherein the lower surface of the cover plate (18) is attached to the upper surface of the collecting box (16), and the lower surface of the cover plate (18) is attached to the upper surface of the hot press table (1).
  7. 7. The lithium battery production hot pressing device according to claim 2, wherein a placing block (13) is fixedly arranged in the frame (12), the lower surface of the frame (12) is attached to the upper surface of the hot pressing table (1), and rectangular grooves (14) are formed in two sides of the frame (12).

Description

Lithium battery production hot press device Technical Field The utility model relates to the technical field of lithium battery hot pressing, in particular to a hot pressing device for lithium battery production. Background The lithium battery is an efficient and chargeable energy storage device, realizes charge and discharge through intercalation and deintercalation of lithium ions between the anode and the cathode, has the advantages of high energy density, long cycle life, low self-discharge rate and the like, and is widely applied to electric automobiles, consumer electronics and energy storage systems, wherein hot pressing is a key process for manufacturing lithium battery pole pieces, and electrode materials are tightly bonded through heating and pressurizing, so that the compaction density and the conductivity are improved. According to the hot press device for lithium battery production, which is disclosed in the application number CN202221594554.5, the problem that labor force is consumed by comparing feeding and discharging and the improvement of production efficiency is affected is solved by the scheme. However, the following problems still exist in the actual use process: (1) When hot pressing is carried out, the hot pressing operation is carried out between the pressing plate and the lithium battery directly through the acting force of the electric cylinder, no corresponding buffer structure exists, so that the lithium battery is easily damaged by the instant high voltage during hot pressing, and the use safety in practice is reduced. (2) When the hot pressing is collected, promote the lithium cell, collect it in the receiver directly, can not be when placing it, shelter from the operation to it dustproof, and can not slide the problem of putting into to the lithium cell that the hot pressing is good when collecting. Therefore, the utility model provides a hot pressing device for lithium battery production. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a hot pressing device for lithium battery production, which has the advantages of buffering during hot pressing, and efficiently collecting and preventing dust for the lithium battery after hot pressing, and solves the problems in the background art. The utility model provides a hot pressing device for lithium battery production, which comprises a hot pressing table, wherein the upper surface of the hot pressing table is provided with a buffer mechanism, the buffer mechanism comprises a U-shaped frame, a bearing plate, a buffer spring and a telescopic rod, the bottom of the U-shaped frame is fixedly arranged on the top of the hot pressing table, the outer surface of the bearing plate is in sliding connection with the inner wall of the U-shaped frame, one end of the buffer spring is fixedly arranged on the bottom of the bearing plate, one end of the telescopic rod is fixedly arranged on the bottom of the bearing plate, the other end of the buffer spring is fixedly connected with the inside of the U-shaped frame, and the other end of the telescopic rod is fixedly connected with the inside of the U-shaped frame. Preferably, the right side of hot press bench upper surface is provided with collection mechanism, collection mechanism is including electric putter, frame, link, collection box, connection swash plate and apron, electric putter's one end and the inside fixed mounting of hot press bench, the left side of frame bottom and electric putter's the other end fixed connection, the left side of link and the right side fixed mounting of frame, the surface and the inside fixed mounting of hot press bench of collection box, the left side of connection swash plate and the inside left side fixed mounting of collection box, the left side of apron and the right side fixed mounting of link. Preferably, a hydraulic cylinder is arranged at the top of the U-shaped frame, and a connecting plate is fixedly arranged at one end of an output shaft of the hydraulic cylinder. Preferably, the bottom of the connecting plate is fixedly provided with a hot pressing block, and two sides of the connecting plate are provided with rectangular grooves I. Preferably, the support frames are fixedly arranged on two sides of the bottom of the hot press table. Preferably, the lower surface of the cover plate is attached to the upper surface of the collecting box, and the lower surface of the cover plate is attached to the upper surface of the hot press table. Preferably, the inside fixed mounting of frame has the piece of placing, the lower surface of frame is laminated with the upper surface of hot press platform, rectangular channel two has all been seted up to the both sides of frame. Compared with the prior art, the utility model has the following beneficial effects: 1. This hot press unit is produced to lithium cell, through the use of U type frame, the pneumatic cylinder, connecting plate and hot briquetting, can be more conve