A battery quantitative spraying device

Abstract

The invention relates to a battery quantitative spraying device. The battery quantitative spraying device comprises a flow adjusting mechanism, a rotation spraying mechanism and a transmission mechanism; the rotation spraying mechanism is installed at the front end of the flow adjusting mechanism and communicated with the flow adjusting mechanism through a connecting pipe, and the transmission mechanism is installed at the back end of the flow adjusting mechanism; the flow adjusting mechanism comprises an outer cover, an agent cylinder and an agent passing pipe, a through hole is formed inside the agent cylinder, a piston is arranged in the through hole in a closed and sliding manner, and the agent passing pipe is communicated with the through hole; a limiting plate is arranged at the front end of the agent cylinder, a closed containing cavity is formed between the limiting plate and the agent cylinder, and four through holes are evenly distributed in the side wall of the outer cover in the circumferential direction; and the rotation spraying mechanism comprises a spraying cover, a motor, a rotation support and a spraying head with spraying openings in one side. According to the battery quantitative spraying device, through the matched effect of the flow adjusting mechanism and the rotation spraying mechanism, two-stage quantitative control over the flow of a sealing agent is effectively achieved; and the rotation effect of the spraying head is used, the sealing agent inside the spraying head is evenly jetted to a steel battery shell, spraying is continuous and even, and efficiency is high.

Description

technical field [0001] The invention relates to the technical field of battery manufacturing equipment, in particular to a battery quantitative spraying device. Background technique [0002] At present, applying sealing agent to the battery is an important process in the battery manufacturing technology. Three or four stations are mainly used to evenly apply the sealing agent on the surface of the battery steel case to prevent battery liquid and gas leakage and ensure that the battery quality. At present, the battery sealing agent coating equipment in the industry usually uses the cylinder to drive the nozzle to move back and forth to complete one push and one spray, and cooperate with the rotation of the battery steel shell to realize the spraying of the sealing agent on the battery steel shell. Its action is fast, compared with traditional manual coating. The efficiency is greatly improved and the coating is more uniform. [0003] However, in the actual use process, on t...

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Problems solved by technology

[0003] However, in the actual use process, on the one hand, it is necessary to install a rotating pressure roller on the steel shell transmission mechanism, and use the friction between the pressure roller and the surface of the battery steel shell to drive the steel shell to rotate around its axis. The extrusion force of the shell can easily lead to deformation of the steel shell, which will affect the next process and the quality of the battery, and the equipment takes up a lot of space and high cost; on the other hand, when the sealing agent is sprayed on the battery steel shell through the nozzle, it will initially form A relatively concentrated point, through the rotation of the steel shell and the fluidity of the sealing agent, the surface of the steel shell is coated with the sealing agent, it is difficult to achieve uniform coating of the sealing agent, and after the coating is completed, the nozzle There will be some sealing agent left in the cylinder. When the cylinder drives the nozzle to reset, the sealing agent will often drip, resulting in waste of resources, increasing costs, and affecting the operating environment.

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