Manufacturing process for shoe soles made of fiber material

Abstract

This invention discloses a process for manufacturing a shoe sole with a fiber material, which includes the following steps: a pressing and bonding step, a feeding step one, a hot melting step one, a removal step one, a cooling step one, a feeding step two, a hot melting step two, a cooling step two, and a removal step two. By pre-treating the gauze and the rubber film, and sequentially placing the gauze and the rubber film bonded together with a plurality of rubber preforms into the outsole molding mold for hot pressing, removal, and cooling to form the outsole, the molded outsole and the foamed preforms are then placed into the shoe sole molding mold for hot pressing, cooling, and removal, thus easily completing the manufacturing of the shoe sole.

Claims

1. A manufacturing process for a shoe sole made of fiber material, comprising the following steps: A calendering and bonding step: placing gauze and rubber film into a calendering machine for calendering and bonding to form a composite; A feeding step one: placing multiple unvulcanized rubber preforms into a sole molding mold, and placing the molded composite on top of the multiple unvulcanized rubber preforms; A hot-melt step one: heating the sole molding mold to 150-160 degrees Celsius, and then performing hot-press vulcanization for 4-6 minutes, so that the composite and the rubber preforms are hot-melted and bonded together to form a multi-layered sole; A removal step one: removing the molded sole from the sole molding mold; A cooling step one: allowing the removed sole to cool naturally; A feeding step two: placing the molded multi-layered sole into a shoe sole molding mold, and placing a foamed midsole preform on top of the molded sole; Hot Melting Step 2: Heat the sole molding mold to 150~160 degrees Celsius, and continue hot pressing and foaming for 5~6 minutes to allow the foamed midsole preform and outsole to be bonded together by the hot melting of the bonding agent to form the sole; Cooling Step 2: Pass cooling water into the sole molding mold to cool the sole molding mold to room temperature; Removal Step 2: Remove the molded sole from the sole molding mold.

2. The manufacturing process of the fibrous sole as described in claim 1, wherein in the feeding step one, the outsole forming mold further includes a plurality of holes, each hole having a different depth and shape to correspond to each rubber preform, so as to avoid the rubber preforms being squeezed and deformed in subsequent processing.

3. The manufacturing process of the fibrous sole as described in claim 1, wherein in the first heat-melting step, the portion of the composite material that abuts the rubber preform is heat-melted together.

4. The manufacturing process of the fibrous sole as described in claim 1, wherein in the feeding step one, the end of the rubber preform that is not in contact with the composite has a different texture and shape.

5. The process for manufacturing a shoe sole with a fiber material as described in claim 1, wherein in the second feeding step, the material of the foamed midsole preform is EVA.

6. The manufacturing process of the fibrous sole as described in claim 1, wherein in the second heat-melting step, the outsole and the foamed midsole preform that are only in contact with each other are heat-melted together.

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