Patent ID: 7959845

Claim:
An injection molding method of stone-based composite material comprising the following steps: a. putting raw materials into a charging device ( 2 ) and then pushing the raw materials into a preforming machine barrel ( 709 ) of a preforming device ( 3 ) by a pressing component in the charging device ( 2 ); b. keeping the temperature of the preforming machine barrel ( 709 ) between 15° C. and 55° C. and compacting the raw materials with the rotation of a preforming screw ( 712 ) and transporting the raw materials into a collecting block ( 901 ) of a sealing device ( 4 ); c. injecting the raw materials in the collecting block ( 901 ) into a mold through a mold gate under the injection force of 50-180 Mpa using an injection device ( 5 ); d. keeping the temperature of the mold between 140° C. and 200° C. and curing time between 40 seconds and 300 seconds; e. opening the mold to obtain the product.