Efficient sucker core rod type PLA sucker crystallizer

The invention provides an efficient straw core rod type PLA straw crystallizer which comprises a heating box, a cooling box, a material receiving disc and a material pushing disc, a material receiving groove is formed in the material receiving disc, a hopper is arranged at the top of the material receiving disc, and a straw on the hopper falls into the material receiving groove in the material receiving disc; a plurality of chain wheels and a chain are arranged, the chain is fixedly connected with a core rod, the material pushing disc can push the PLA suction pipe on the material receiving groove to be arranged on the core rod in a sleeving mode, the heating box and the cooling box can be each provided with a plurality of chain wheels, and the chain drives the core rod to sequentially penetrate through the heating cavity and the cooling cavity. Through cooperative use of the chain wheel, the chain and the core rod, after a PLA suction pipe is independently sleeved with the core rod, namely one core rod is sle