Material frame limiting device for DCR test

The utility model provides a material frame limiting device for a DCR test in the technical field of DCR test equipment. The material frame limiting device comprises a lifting assembly; the sliding assembly is arranged at the top end of the lifting assembly and is in sliding connection with the lifting assembly; the lifting assembly comprises a lifting plate; the guide rails are parallelly arranged on two sides of the top end of the lifting plate; the servo motor is arranged in the middle of the top end of the lifting plate; the lead screw module is arranged in the middle of the top end of the lifting plate and connected with the power output end of the servo motor. The six sliding blocks are respectively connected with the two guide rails in a sliding manner and are connected with the transmission end of the screw rod module; the bottom ends of the six sliding block connecting plates are detachably connected with the top ends of the sliding blocks, and the top ends of the six sliding block connecting plates