Filter -drum type forces back flush to trade wire stitcher

Filter -drum type forces back flush to trade wire stitcher, the effectual unreasonable defect problem that causes of wire stitcher structure of trading that has now of having solved, the technical scheme of its solution is, the utility model discloses a trade the wire stitcher main part, trade that the wire stitcher main part is built -in to have two to filter passageways, filter the passageway in sliding connection have the column casing, its characterized in that, column casing one side is connected with the piston that washes that alternates to go into in the column casing, washes piston and column casing sliding connection, the utility model discloses following beneficial effect has: 1. It seals with the sealed adoption temperature resistant of cylinder, wear -resisting packing to wash the piston to along with the live time extension, it is adjustable, can fully guarantee the tightness material, 2. The wire stitcher main part is inside washes trading to the material structure is arranged in the design, an