Coding device

The utility model discloses a coding device, which comprises a base provided with a bearing surface and a frame body protruding out of the bearing surface, and the bearing surface is used for bearing an object to be coded; the driving piece is fixedly connected to the frame body, and the output end of the driving piece stretches out and draws back in the direction perpendicular to the bearing face relative to the base; the encoder is fixedly connected to the output end of the driving part and is suitable for coding an object to be coded on the bearing surface when the output end extends out; the time relay is controlled to control the driving part to stretch and retract once every set time after being controlled to be started; the man-machine interaction unit is provided with a control module, the control module is suitable for controlling the time relay to be turned on or turned off when receiving control actions, the coding device adopting the technical scheme can automatically press the coder to code an ob