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CN-122006963-A - Battery packaging equipment suitable for lithium battery production and manufacturing

CN122006963ACN 122006963 ACN122006963 ACN 122006963ACN-122006963-A

Abstract

The invention discloses battery packaging equipment suitable for manufacturing lithium batteries, which relates to the technical field of lithium battery packaging, and aims to explain a glue filling process of lithium battery packaging, wherein a glue mixing pipe is used as a main body in cooperation with a glue filling needle pipe, the glue pressure formed during active air injection is used as a basis in the glue filling process, the difference between the air pressure and the glue pressure is utilized, and the glue filling needle pipe is synchronously driven to slowly move in a mode of from bottom to top when the glue filling action is maintained.

Inventors

  • ZHANG LEI

Assignees

  • 华仲科技信息(盱眙)有限公司

Dates

Publication Date
20260512
Application Date
20260122

Claims (7)

  1. 1. The battery packaging equipment suitable for lithium battery production comprises a glue filling machine body (1), and an air pump assembly, a glue tank and a control assembly which are arranged in the glue filling machine body (1), and is characterized in that a terminal cover seat (3) is arranged in the glue filling machine body (1), one or more glue mixing pipes (2) are arranged on the upper surface of the terminal cover seat (3), and a first air port (4) and a second air port (5) are arranged on the terminal cover seat (3); The rubber mixing pipe (2) is arranged along the direction of the upper surface of the vertical terminal cover seat (3), a piston spacer block (10) is slidably mounted in the rubber mixing pipe (2), a center guide rod (6) and a rubber filling needle tube (9) are fixedly mounted at the center point of the piston spacer block (10) along the vertical direction, the center guide rod (6) and the rubber filling needle tube (9) penetrate through the upper end and the lower end of the rubber mixing pipe (2) respectively, the center guide rod (6) and the rubber filling needle tube (9) are fixedly connected, an air bin (202) and a rubber bin (201) are arranged in the rubber mixing pipe (2) from top to bottom through the piston spacer block (10), and an air pressure port (7) and a rubber pressure port (8) are mounted at positions corresponding to the upper end of the air bin (202) and the lower end of the rubber bin (201).
  2. 2. The battery packaging device suitable for manufacturing lithium batteries according to claim 1, wherein the upper end of the glue filling needle tube (9) is provided with a glue discharging opening (13), and the lower end of the glue filling needle tube (9) is in an opening shape.
  3. 3. The battery packaging device suitable for manufacturing lithium batteries according to claim 1, wherein the output end of the air pump assembly corresponds to a glue tank and an air pressure port (7), and the glue outlet of the glue tank corresponds to a glue pressure port (8).
  4. 4. The battery packaging device suitable for lithium battery production and manufacturing according to claim 1, wherein the glue filling needle tube (9) is provided with a directional assembly block (11) at the outer position corresponding to the glue bin (201), and a connecting spring (12) is arranged between the directional assembly block (11) and the piston spacer block (10).
  5. 5. The battery packaging device suitable for manufacturing lithium batteries according to claim 4, wherein the directional assembly block (11) is composed of a plugging sleeve (1101) and a pressed cone cap (1102), the plugging sleeve (1101) and the pressed cone cap (1102) are sequentially arranged along the direction from top to bottom, and the plugging sleeve (1101) is in sliding connection with the outer wall of the glue filling needle tube (9).
  6. 6. The battery packaging device suitable for manufacturing lithium batteries according to claim 4, wherein the height of the plugging sleeve (1101) is larger than the length of the glue discharging opening (13), the cross section of the pressed cone cap (1102) is in an upwards bent arch shape, and the diameter of the lower side of the pressed cone cap (1102) is smaller than the inner diameter of the glue mixing tube (2).
  7. 7. The battery packaging device suitable for manufacturing lithium batteries according to any one of claims 1-6, wherein in the use process of the battery packaging device, the air pump assembly applies pressure to the glue tank and injects glue in the glue tank into the glue bin (201) through the glue pressure port (8) and provides upward thrust to the piston spacer (10), the air pump assembly applies pressure to the air bin (202) through the air pressure port (7) and provides downward pressure to the piston spacer (10), and the battery packaging device comprises the following two stages; The first stage is that a piston spacer (10) is positioned at the lower end of the inner part of a rubber mixing pipe (2), the distance between the piston spacer (10) and the bottom end of the inner wall of the rubber mixing pipe (2) is equal to the height of an orientation block (11), and the rubber filling action is carried out by increasing the thrust force born by the piston spacer (10) and reducing the pressure born by the piston spacer (10); And step two, after the glue filling action is finished, the piston spacer (10) is positioned at the upper end position inside the glue mixing pipe (2), the glue returning action is carried out by providing the pressure born by the piston spacer (10) and reducing the thrust born by the piston spacer (10), the glue in the glue bin (201) returns to the glue tank, and the piston spacer (10) is reset to the lower end position inside the glue mixing pipe (2).

Description

Battery packaging equipment suitable for lithium battery production and manufacturing Technical Field The invention relates to the technical field of lithium battery packaging, in particular to battery packaging equipment suitable for lithium battery production and manufacturing. Background For the glue filling process in the high-capacity lithium battery package, the glue filling process essentially comprises two parts of glue filling by a glue filling machine and curing treatment, and parameters such as glue filling pressure, vacuum degree, glue filling amount and the like need to be paid attention to in the glue filling process. In order to meet the requirements of high-capacity and 'light-weight' design, internal elements of the lithium battery are compactly distributed, so that internal gaps of the lithium battery are very small, and then in the glue filling process, the problem of partial glue shortage caused by the fact that the glue is fully filled in the gap positions is difficult to ensure even in a vacuum environment. For which the application proposes a solution. Disclosure of Invention The invention aims to provide battery packaging equipment suitable for manufacturing lithium batteries, and aims at the problem that the use effect of the lithium batteries can be influenced due to the fact that micro bubbles exist in colloid after the glue filling is completed or the problem of glue shortage exists in packaging due to the distribution of the internal environment of the lithium batteries in the glue filling process of the lithium battery packaging. The battery packaging equipment suitable for lithium battery production and manufacturing comprises a glue filling machine body, and an air pump assembly, a glue tank and a control assembly which are arranged in the glue filling machine body, wherein a terminal cover seat is arranged in the glue filling machine body, one or more glue mixing pipes are arranged on the upper surface of the terminal cover seat, and a first air port and a second air port are arranged on the terminal cover seat; The rubber mixing pipe is arranged along the direction of the upper surface of the vertical terminal cover seat, a piston spacer is slidably mounted in the rubber mixing pipe, a central guide rod and a rubber filling needle tube are fixedly mounted at the center point of the piston spacer along the vertical direction, the central guide rod and the rubber filling needle tube penetrate through the upper end and the lower end of the rubber mixing pipe respectively, the central guide rod and the rubber filling needle tube are fixedly connected, an air bin and a rubber bin are arranged in the rubber mixing pipe from top to bottom through the piston spacer, and an air pressure port and a rubber pressure port are mounted at positions of the rubber mixing pipe corresponding to the upper end and the lower end of the air bin. The glue pouring needle tube is further provided with a glue discharging opening at the upper end position, and the lower end of the glue pouring needle tube is in an opening shape. The air pump assembly is further arranged in such a way that the output end of the air pump assembly corresponds to the glue tank and the air pressure port, and the glue outlet of the glue tank corresponds to the glue pressure port. The device is further characterized in that an orientation block is arranged at the outer position of the glue filling needle tube corresponding to the glue bin, and a connecting spring is arranged between the orientation block and the piston spacer. The directional assembly is further arranged that the directional assembly consists of a plugging sleeve and a pressed cone cap, the plugging sleeve and the pressed cone cap are sequentially arranged along the direction from top to bottom, and the plugging sleeve is in sliding connection with the outer wall of the glue filling needle tube. The height of the plugging sleeve is larger than the length of the rubber leakage port, the cross section of the pressed cone cap is in an upwards bent arch shape, and the diameter of the lower side of the pressed cone cap is smaller than the inner diameter of the rubber mixing tube. In the use process of the battery packaging equipment, the air pump assembly applies pressure to the glue tank, injects glue in the glue tank into the glue bin through the glue pressure port, provides upward thrust for the piston spacer, applies pressure to the air bin through the air pressure port, provides downward pressure for the piston spacer, and comprises the following two stages; the first stage is that the piston spacer is positioned at the lower end of the inner part of the rubber mixing pipe, the distance between the piston spacer and the bottom end of the inner wall of the rubber mixing pipe is equal to the height of the directional block, and the rubber filling action is carried out by increasing the thrust force born by the piston spacer and reducing the pressure born by th