Strip-pressing/guiding wheel mechanism of plastic extrusion machine

The utility model relates to an auxiliary device of a plastic extruding machine, in particular to a layering conducting bar wheel mechanism of the plastic extruding machine on a cooling water tank; the layering conducting bar wheel mechanism of the plastic extruding machine comprises a conducting bar wheel (1), and a metal support which is provided with a carriage (2a) composed of angle irons at two sides and an extension pole (2b) which is held by a holding pole (2c) and is extended downwards; extension bars A (2b-1) are respectively arranged along the contrary entering direction of the extension poles (2b) at two sides of the carriage (2a), and the conducting bar wheel (1) is spanned at the end parts of the two extension bars A (2b-1). The angle irons are respectively combined at the position of the angle irons at two sides of the carriage (2a) along the contrary direction, and the cross sectional shape thereof is a t-shaped carriage (2a-1) with double-ended angle irons. The t-shaped carriage (2a-1) is weld