Mattress compression permanent deformation testing device

The utility model relates to the field of furniture testing, in particular to a mattress compression permanent deformation testing device which comprises a bottom plate, a plurality of sliding rods are fixed on the bottom plate, a sliding table is further arranged above the bottom plate, the sliding rods penetrate through the sliding table and are connected with the sliding table in a sliding mode, a threaded pipe is fixed on the sliding table, a lifting motor is fixed above the bottom plate, and the lifting motor is connected with the sliding table in a sliding mode. A threaded pipe is arranged on the bottom plate, a lifting motor is arranged on the bottom plate, a threaded rod is fixed to the output end of the lifting motor, the threaded rod penetrates through the threaded pipe and is in threaded connection with the threaded pipe, a pressing block is further fixed to the bottom of the sliding table, a rotating shaft is arranged on the sliding table above the pressing block and driven by a rotating motor to