Injection molding machine positioner

The utility model provides an injection molding machine positioner, positioner includes the cylinder, fixed block, screw rod, runing rest, the fixed block is fixed on the drum cross section is moulded plastics to cavity through two dead levers, runing rest one end is fixed on the dead lever with rotatable mode, the other end with the cylinder is connected, and two runing rests pass through montant fixed connection, screw rod one end with the montant is connected, and the other end passes the round hole on the fixed block, and the screw rod surface sets up the external screw thread, and the round hole inner wall on the fixed block sets up and screw rod external screw thread assorted internal thread. But through the drum cross section setting movable positioning device that moulds plastics in cavity, manage into line location or support and can manage size automatically regulated cylinder and PE outside of tubes surface distance according to PE the fashioned PE of drum that moulds plastics from cavity, guarante