Size detection device for rubber plug or piston

The utility model provides a rubber plug or piston size detection device, which comprises a base, a light source, a first horizontal movement frame, a second horizontal movement frame, a rubber plug or piston placement rack, a camera and a computer, and is characterized in that the light source is arranged at the bottom of the base, the first horizontal movement frame is arranged at the top of the base, and the second horizontal movement frame is arranged at the top of the first horizontal movement frame; the rubber plug or piston containing frame is fixed to the top of the second horizontal movement frame, a plurality of rubber plugs or pistons distributed in a rectangular array mode can be fixed to the rubber plug or piston containing frame, the base is connected with a support, a lifting mechanism is arranged on the support, and the camera is connected with the lifting mechanism. According to the utility model, automatic focusing and positioning can be realized, rubber plugs or pistons can be detected one