The utility model relates to an aluminum phosphate burns till technology with structure of unloading, the casing is provided with gliding piston from top to bottom including the cylinder body and the base that are linked together in the cylinder body, pivot one end is connected with motor dynamic, and the pivot other end stretches into to the base in, and on the pivot in the base was fixed to the eccentric block, the small end was articulated with the piston, and the connecting rod lower extreme articulates with the eccentric block, is fixed with the push rod on the up end of piston, and the through -hole that the confession push rod passed is seted up at the cylinder body center, is provided with limiting hook on the lateral wall of cylinder body upper portion. The utility model has the advantages of utilizing motor drive, replacing traditional manual work mode, reduced manual unloading 's time, alleviateed workman's intensity of labour, whole course of working sanitation and hygiene have realized the semi -automatization that aluminum phosphate unloaded to have characteristics rational in infrastructure, convenient to use.