| 摘要 |
PURPOSE: An extrusion device of a tire tread is provided to improve a quality of a tread extrusion because a tread extrusion extruded through a final die is cut into an exact groove shape by a cutter unit. CONSTITUTION: An extrusion device of a tire tread comprises a cutter unit(4) contacting to a final die. The cutter unit comprises a supporter(5), a plurality of cutters(6), a regulating bar(7), and cutter fixing rods(9). The plurality of cutters is installed in the supporter in a longitudinal direction and moved and fixed to the longitudinal direction. The regulating bar adjusts height of the cutters. The cutter fixing rods adjusts and fixes a direction of the cutter in the regulating bars by using an adjusting and fixing screws(8).
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