Powder pump structure used for powder spraying production line

Abstract

The invention discloses a powder pump structure used for a powder spraying production line. The powder pump structure comprises a hopper used for storing sprayed powder, one side wall of the bottom of the hopper is provided with an air nozzle connected with an external air inlet pipe, and the other side wall of the bottom of the hopper opposite to the air nozzle is provided with a powder outlet pipe used with the air nozzle. When different colors of powder are replaced, air can enter from the upper portion of the hopper to blow off powder accumulated in the hopper, and air can blow from the air nozzle to the powder outlet pipe so as to clean powder of the air nozzle and the powder outlet pipe. The integral powder cleaning process is simple, quick and convenient and is good in cleaning effect, and different colors of powder can be quickly realized. Meanwhile, color mixing can be avoided to the greatest extent, and social competitive powder of enterprises is greatly enhanced.

Description

technical field [0001] The invention relates to the field of powder coating, in particular to a powder pump structure used in a powder coating production line. Background technique [0002] As we all know, when an enterprise conducts powder coating production, it usually puts the powder in the hopper, and then installs a powder pump capable of extracting the powder at the bottom of the hopper. The structure of the powder pump is generally as follows: a A transfer shell with a built-in cavity, the cavity of which is connected to the inside of the hopper, that is, a cavity that allows powder to enter the transfer shell is provided at the position corresponding to the transfer shell on the lower side wall of the hopper At the same time, the lower bottom surface and the upper top surface of the transfer housing are respectively provided with an air nozzle and a powder outlet pipe that can be connected with the external air intake pipe. When passing through, the cavity of the tr...

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Problems solved by technology

[0003] Although the above-mentioned powder pump structure can achieve the function of conveying powder, in powder spraying production, it is often necessary to replace powder of different colors. The powder in the powder can only be put into use with another color powder, but the existing powder structure is relatively complex, there are many dead spots, it is not convenient to clean the powder, and the cleaning effect is poor, and it is often sprayed in the powder during the production process The phenomenon of color mixing has brought some inconvenience to the production and manufacturing of enterprises

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