Footwear article forming process, and device for same

A rubber injection-molding footwear forming device comprising an injection molding machine, wherein the rubber injection-molding footwear forming device is configured to injection-mold rubber, and further comprises:

• a set of forming molds mounted in the injection molding machine, wherein the set of forming molds comprises an outer combined mold and an inner shaping mold;
• wherein the inner shaping mold is placed in the outer combined mold, a footwear forming space is formed between the outer combined mold and the inner shaping mold, and the footwear forming space comprises a footwear sole forming space and a footwear body forming space;
• and
• a footwear body feed channel is provided in the set of forming molds, the footwear body feed channel comprises a footwear body feed port, and the footwear body feed port is in communication with the footwear forming space,
• the footwear forming device further comprises a partition plate for separating the footwear body forming space from the footwear sole forming space;
• the partition plate is movably connected with the outer combined mold, and is insertable between the footwear body forming space and the footwear sole forming space for separation;
• and
• a transfer injection channel is provided in the partition plate, wherein the transfer injection channel comprises a transfer injection inlet and a transfer injection outlet;
• when the partition plate is placed between the footwear body forming space and the footwear sole forming space, the transfer injection inlet is in communication with the footwear body feed port, and the transfer injection outlet is in communication with the footwear body forming space,
• the transfer injection outlet is located between the footwear body forming space and the footwear sole forming space, and is located at the bottom of the footwear body forming space,
• a shape of the inner shaping mold simulates the lower leg of a human body including the foot, and the inner shaping mold comprises a first inner mold and a second inner mold;
• the first inner mold and the second inner mold are divided into front and back;
• wherein the first inner mold comprises a part simulating the calf and the heel of a human body, and the second inner mold comprises a part simulating the forefoot of a human body;
• and
• the first inner mold is fixedly mounted to the outer combined mold, and the second inner mold is slidably connected with the first inner mold.