The utility model discloses a device for piece is got to sample, including the mount, the mount lower part is installed and is used for the fixed cardboard fixed establishment who waits to get the piece sample, and mount upper portion has been installed and have been constructed along gliding slip sampler about the mount, slip sampler constructs including the smooth carriage of locating on the mount, vertically installs the motor on the carriage downwards and install the subassembly in the sampling probe of motor shaft lower extreme, the carriage drives through a control mechanism motor and the lapse of sampling probe subassembly in the disk sample is surely got in the rotation on waiting to get the piece sample. The utility model discloses a device for piece is got to sample has that thepiece of getting is convenient, the repeatability is good, precision is high and advantage such as labour saving and time saving.