Double-cylinder metering plunger pump and metering method thereof

Double-cylinder metering plunger pump and metering method thereof

  • CN 102,418,682 B
  • Filed: 12/15/2011
  • Issued: 03/12/2014
  • Est. Priority Date: 12/15/2011
  • Status: Active Grant
First Claim
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1. a twin-tub metering piston pump, it is characterized in that, comprise motor, pump head, ball screw, driving gear, induction switch, base plate, motor is fixed on the motor fixing plate that is arranged at base plate one side, and pump head is fixed on the pump head fixed plate that is arranged at base plate opposite side;

  • Motor is connected with driving gear by coupling, on the base plate of one end of close motor, be provided with a ball screw front shoe, two ball screw one sides are separately fixed on ball screw front shoe, two ball screw front portions are also connected with driving gear respectively, on each ball screw, be equipped with a plunger rod that can slide thereon, during work, motor drives ball screw by driving gear, makes plunger rod on ball screw, carry out straight line motion;

    Between ball screw front shoe and pump head fixed plate, be provided with strut, the two ends of a strut arrange respectively an induction switch therein, and two induction switches are all connected with outside controller;

    On described pump head, be provided with selector valve, pump head upper end is provided with the gum exudation mouth being connected with outside plastic emitting control apparatus, pump head side is provided with and the glue-feeder that enters gluing equipment and be connected, the respectively corresponding glue-feeder of each plunger rod and a gum exudation mouth, and this glue-feeder is all connected selector valve with gum exudation mouth.

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