Metering and conveyor arrangement

A metering and conveyor arrangement for liquid to be mixed, comprising:

• a plurality of parallel-connected delivery pumps actuated by drive means, one pair of delivery pumps being assigned to each of said liquids;
• each pair of pumps comprising two piston pumps with piston rods alternately performing an intake and a discharge cycle, said piston pumps being movable relative to each other and perpendicular to said piston rods;
• swivel means connected to said drive means;
• rocker arms located on both sides of said swivel means;
• each of said rocker arms being connected with one of said piston pumps and having grooves;
• ends of said piston rods being located and guided in said grooves;
• rocking lever means projecting from said swivel means;
• carriage means movable back and forth between two end positions by said drive means and being linked to an end of said rocking lever means;
• two contactless switches for defining said end positions of said carriage means, at least one of said switches being adjustable for changing the stroke of said carriage.

A metering and conveyor arrangement for liquid to be mixed, comprising:

• a plurality of parallel-connected delivery pumps actuated by drive means, one pair of delivery pumps being assigned to each of said liquids, each pair of pumps comprising two piston pumps with piston rods alternately performing an intake and a discharge cycle, said piston pumps being movable relative to each other and perpendicular to said piston rods;
• swivel means connected to said drive means;
• rocker arms located on both sides of said swivel means;
• each of said rocker arms being connected with one of said piston pumps and having grooves;
• ends of said piston rods being located and guided in said grooves;
• said pairs of delivery pumps being placed on top of one another, a pair of rocking arms being associated with each pair of pumps and being attached to said swivel means, said pairs of rocking arms being also placed on top of one another.