A rotary quantitative spraying equipment

Abstract

The invention relates to rotation type quantitative spraying equipment. The rotation type quantitative spraying equipment comprises a spraying support, a conveying mechanism and a spraying nozzle; the conveying mechanism is communicated with the spraying nozzle through an agent passing pipe, the spraying nozzle comprises a spraying cover and an agent cylinder, and a transmission mechanism and a rotation mechanism are installed at the back end of the spraying nozzle; a through hole is formed inside the agent cylinder, a piston is arranged in the through hole, an air containing cavity is formed between the outer side end of the piston and the inner wall of the spraying cover, a storage cavity is formed between the inner side end of the piston and the inner wall of the agent cylinder, a limiting plate is arranged at the front end of the agent cylinder, and a containing cavity is formed between the limiting plate and the front end of the agent cylinder; and the side wall of the spraying cover is evenly provided with four spraying openings capable of being communicated with the containing cavity when the pressure of the storage cavity changes in the circumferential direction. According to the rotation type quantitative spraying equipment, instantaneous pressure changes inside the storage cavity and the containing cavity are used, so that the spraying openings simultaneously conduct jetting instantaneously; and a rotation mechanism is used in a combined manner to drive the spraying cover to rotate by 90 degrees, a wiping brush is used in a matched manner to evenly spray the surface of a steel battery shell with a sealing agent, spraying is even and continuous, and the using rate of the sealing agent is high.

Description

technical field [0001] The invention relates to the technical field of battery manufacturing equipment, in particular to a rotary quantitative spraying equipment. 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 includes a needle cylinder and a needle nozzle. Each movement of the needle nozzle corresponds to the surface of the battery steel shell. Through the movement of the piston in the needle cylinder, the sealing agent is coated on the surface of the steel shell through the needle nozzle, After the cloth is finished, because some sealing agent remains in the nozzle, when the cylinder drives the needle nozzle to rese...

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Problems solved by technology

[0004] According to the applicant's reflection, although the battery sealing agent coating device is beneficial to optimize the controllability of the coating amount of the sealing agent by controlling the pressure of the compressed air, so as to realize automatic and continuous glue coating, however, due to the sealing agent flowing from the tail of the needle It is pressed into the needle through the needle seat, and when it flows out through the needle and coated on the steel shell of the battery, a relatively concentrated point is formed at first, and the surface of the steel shell is formed by the rotation of the steel shell and the fluidity of the sealing agent. All are coated with sealing agent, and in the actual production process, the rotational speed of the rotating equipment that drives the steel shell, the fluidity of the sealing agent and the smoothness of the steel shell surface are all factors that directly affect the uniformity of the sealing agent coating on the surface of the steel shell , it is difficult to achieve synchronous control of these factors, and it is impossible to achieve uniform and complete coating of the sealing agent on the surface of the battery steel case, and the overall structure of the equipment is complex and the cost is high

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