Filtering device for polyurethane paint production

The utility model relates to the technical field of polyurethane paint production equipment, and discloses a filtering device for polyurethane paint production, which comprises a filtering box, the top and the bottom of the filtering box are respectively provided with a feed pipe and a discharge pipe, the top of the filtering box is provided with an air inlet mechanism, and the inner wall of the filtering box is fixedly connected with a partition plate. According to the filtering device for polyurethane paint production, the partition plate, the gas inlet pump, the gas buffer box and the gas inlet pipe are arranged, the partition plate divides the inner space of the filtering box into an upper cavity and a lower cavity, the filtering mechanism is installed in a limiting groove in the partition plate, after feeding is conducted through the feeding pipe, gas enters the filtering barrel through the liquid guiding funnel, and the gas is sucked into the filtering box through the gas inlet pump; gas enters the filt