Automatic sampling device for comprehensive analysis of rock pyrolysis

The utility model discloses an automatic sample feeding device for comprehensive analysis of rock pyrolysis, which comprises a raw stone sample feeding mechanism, a residual carbon sample feeding mechanism, a sample feeding mechanism, a pneumatic sample feeding subsystem and a sample feeding electric control subsystem, and the raw stone sample feeding mechanism and the residual carbon sample feeding mechanism are positioned on two opposite sides of the sample feeding mechanism; the sample feeding mechanism comprises a sample feeding clamping jaw, a clamping and releasing air cylinder, a steering engine and a lifting air cylinder, the clamping and releasing air cylinder and the sample feeding clamping jaw are driven by the steering engine to rotate synchronously, the clamping and releasing air cylinder, the sample feeding clamping jaw and the steering engine are driven by the lifting air cylinder to ascend and descend synchronously, and the steering engine is connected with the sample feeding electric control