Molding material supply device and molding material supply method

A molding material supply device, degassing gas mixed into a molding material and supplying the degassed molding material to a molding material supply port of a molding apparatus, the molding material supply device comprising:

• a first discharge device, a second discharge device, and a control device,
• wherein the first discharge device comprises:
• a first discharge member, a first discharge driving device, a first accommodation member, and a die;
• the first discharge driving device drives the first discharge member;
• the first accommodation member is provided with a first accommodation space accommodating the first discharge member to be able to drive the first discharge member and accommodating the molding material, and provided with a first discharge hole in communication with the first accommodation space and the die;
• the die is installed to the first discharge hole and is provided with at least one through hole in communication with the first discharge hole and an outside of the first accommodation member;
• the second discharge device comprises:
• a second discharge member, a second discharge driving device, and a second accommodation member;
• the second discharge member at least comprises the first accommodation member and the die;
• the second discharge driving device moves the second discharge member back and forth;
• the second accommodation member is provided with a second accommodation space accommodating the second discharge member to be movable back and forth and accommodating the molding material discharged through the die to a front of the second discharge member, and provided with a second discharge hole in communication with the second accommodation space and the molding material supply port;
• and
• the control device is connected to the first discharge driving device and the second discharge driving device, controls the first discharge driving device to drive the first discharge member to discharge the molding material in the first accommodation space into the second accommodation space through the die, and controls the second discharge driving device to advance the second discharge member to discharge the molding material having been degassed in the second accommodation space into the molding apparatus from the molding material supply port.