Automatic uniform mixing device for coating powder

The utility model discloses an automatic coating powder mixing device which comprises a stirring tank and further comprises a control mechanism, the control mechanism is arranged on the surface of the stirring tank, and the control mechanism comprises a connecting pipe, a collecting pipe, a feeding pipe, a motor, a paddle, an infrared transmitting module, an infrared receiving module, a single chip microcomputer and a delay relay. The top of the stirring tank is communicated with a collecting pipe through a connecting pipe, a feeding pipe connected with a powder feeding end is mounted at the top of the collecting pipe, the feeding equipment performs feeding according to color and quantity requirements, when powder enters the connecting pipe during feeding, an infrared receiving module cannot normally receive an infrared signal, that is, a time delay relay is controlled to operate through a single chip microcomputer, and the infrared signal cannot be normally received; the power supply end of the motor is swit