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A solenoid actuated air control valve and a plurality of liquid distribution pumps are mounted on a common elongated manifold having passages for supplying pressurized air and lubricating fluid to the pumps in response to actuation of the solenoid valve. Each of the distribution pumps has an air act

A solenoid actuated air control valve and a plurality of liquid distribution pumps are mounted on a common elongated manifold having passages for supplying pressurized air and lubricating fluid to the pumps in response to actuation of the solenoid valve. Each of the distribution pumps has an air actuated reciprocating piston, and lubricating fluid is supplied to the manifold and distribution pumps through a line connected to a supply pump also having an air actuated reciprocating diaphragm or piston. The solenoid valve controls the supply pump in timed relation with the distribution pumps, and the supply pump is located within an annular filter unit submerged within a reservoir of lubricating fluid. Each distribution pump is connected by a flexible line to a corresponding spray nozzle having a check valve including a tubular plastic insert which confines a spring bias ball and a resilient annular seat for the ball.

대표청구항 ▼

Apparatus adapted for repetitively distributing a predetermined amount of lubricating fluid to at least one point on a metal forming press, comprising at least one distribution pump including a body defining a pump chamber having an inlet and an outlet with corresponding check valves, an air actuate

Apparatus adapted for repetitively distributing a predetermined amount of lubricating fluid to at least one point on a metal forming press, comprising at least one distribution pump including a body defining a pump chamber having an inlet and an outlet with corresponding check valves, an air actuated reciprocating piston within said chamber, a distribution line connecting said outlet to a discharge nozzle having a check valve, a fluid supply line connecting said inlet to an air actuated fluid supply pump including a body defining a pump chamber having an inlet and an outlet with corresponding check valves, an air actuated reciprocating piston within said supply pump chamber, said inlet of said supply pump chamber connected to receive a supply of fluid, an air controller connected to operate said piston of said fluid supply pump and said piston of said distribution pump in timed relation, and said controller including means for moving said piston in said supply pump in a direction to supply lubricating fluid to said distribution pump and for simultaneously moving said piston in said distribution pump in a direction for receiving the fluid from said supply pump for maintaining the fluid in said distribution line at a substantial minimum pressure. Apparatus adapted for repetitively distributing a predetermined amount of lubricating fluid to at least one point on a metal forming press, comprising at least one distribution pump including a body defining a pump chamber having an inlet and an outlet with corresponding check valves, an air actuated reciprocating piston within said chamber, a distribution line connecting said outlet to a discharge nozzle having a check valve, a fluid supply line connecting said inlet to a fluid supply, said discharge nozzle including a tubular body, a nozzle spray tip removably secured to said body, said nozzle check valve including a tubular plastic insert within said body and having an internal annular groove retaining a resilient annular seat member, and a spring biased valve member within said insert and engaging said annular seat in a closed position.