What' the role of the flow channel regulating valve of the Washing Machine Injection Mould?

A flow channel regulating valve for an Washing Machine Injection Mould , comprising a front plate, the front plate is provided with a flow channel for flowing plastic, and is characterized in that a flow channel regulating structure that can adjust the velocity of the flowing plastic is provided on the flow channel; the flow channel The adjustment structure includes an adjustment slot, an adjustment block and a fixing screw; the adjustment slot is set on the front plate and runs through the flow channel, the adjustment block is installed in the adjustment slot, the adjustment block is provided with an adjustment hole, and the fixing screw passes through The adjustment hole of the adjustment block is fixed on the front plate; the adjustment block is also provided with a flow channel groove communicating with the flow channel. 2. The flow channel regulating valve of an Washing Machine Injection Mould  according to claim 1, wherein the regulating groove is preferably rectangular, the long side of the rectangle is arranged tangentially to the flow channel, and the regulating block Rectangle is the best, and the adjustment block is adjusted in the adjustment groove. 3 . The flow channel regulating valve of an Washing Machine Injection Mould  according to claim 2 , wherein the long side of the regulating groove is vertically tangent to the flow channel. 4 . 4 . The flow channel regulating valve of an Washing Machine Injection Mould  according to claim 3 , wherein the matching gap between the long side of the regulating groove and the regulating block is preferably within 0.01 mm. 5. The flow channel regulating valve of an Washing Machine Injection Mould  according to any one of claims 1-4, wherein the adjustment distance of the regulating block is smaller than the width of the flow channel.6 . The flow channel regulating valve of an Washing Machine Injection Mould  according to claim 1 , wherein the regulating block is on the same level as the front plate, and the fixing screw is installed in the regulating hole. 7 . 7 . The flow channel regulating valve of an Washing Machine Injection Mould  according to claim 6 , wherein a step is provided in the regulating hole.