SU1317284A1 - Metering pump for quick-polymerizing liquids - Google Patents

Abstract

The invention relates to a measurement technique and makes it possible to increase the reliability of a dispenser by eliminating a stagnant zone. The dose of the rapidly polymerizing fluid is discharged by lowering the elastic cup 15 fixed at the end of the stem 12 to the bottom 6 of the vacuum chamber 3. Due to the deformation of the cup 15, the fluid inside it is squeezed out through the opening 7, opening (/)

Description

spring-loaded valve 8. After lifting the beaker 15, the liquid fills the cavity of the beaker through the gap between its inner surface and the sleeve 10. Radial holes 11 into a sleeve. The invention relates to dispensers of rapidly polymerizing liquids and can be used in various industries of the national economy.

The purpose of the invention is to increase reliability by eliminating a stagnant zone.

The drawing shows the dispenser section.

The dispenser, mainly for fast polymerizing liquids, is made of several identical units operating on a single drive.

The dispenser contains a supply container 1 connected by an elastic pipe 2 to a sealed chamber 3. A valve is installed on the pipe, which pinches the pipe through the actuator 4 and the stop 5. At the bottom 6 of the chamber, metering holes 7 are made, which are closed outside by Valves 8 under the action of springs 9. Inside chambers 3 in the holes 7 of the bottom 6 are fixed elastic sleeves 10, in which radial holes 11 are made at the level of the bottom of the chamber. At the metering holes 7, rods 12 are placed inside the chamber 3, the upper end of one of them is connected water 13 reciprocating motion. The rods 12 upper ends are fixed on the plate 14, and on the lower ends of the rods elastic glasses 15 are fixed bottom up, and the elastic sleeve 10 is installed in an elastic glass 15 with a gap.

Each elastic cup 15 on the outer surface has rings 16 for

eliminating the barrel when compressing glasses. On the lid 17 of the chamber 3, an actuator 13 is mounted, providing reciprocating motion of the plate 14. On the lid 17, a container 1 is also installed with the liquid 10 to be dosed to ensure complete removal of liquid from chamber 3 at the end of work. The vacuum in chamber 3 when it is filled is created by a vacuum pump. 1 il.

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bone and float mechanism, which includes the bracket 18, the axis 19 and the lever 20 with the float 21. The float 21 is placed inside the chamber 3. The lever 20 passes through the hole in the lid 17 and has the ability to act on the level sensor 22. The key 3 has a fitting 23 connected to With a vacuum pump, the valves 8 are fixed through the groove 24 by a spring 9 made in the form of an arc.

The device works as follows.

When the vacuum pump is turned on, vacuum is created in chamber 3. The drive 13 is then turned on and the metered fast-polymerizing fluid from the tank 1 through the elastic tube 2 enters the vacuum chamber 3. The flow of liquid is promoted by the difference in pressure in chamber 3 and the atmospheric pressure in tank 1. When the desired level of liquid in the vacuum chamber 3 is reached, the float mechanism acts on a level sensor 22, which turns off the drive 4. The latter returns to its original state and pinches the elastic tube 2. At the same time, the supply of the dosed liquid from the tank 1 is stopped. After this, the actuator 13 is turned on, which lowers the plate 14 with the rods 12 and the elastic pistons 15. The elastic pistons 15 reach the bottom 6 of the vacuum chamber 3 and begin to deform, thereby adding to the dosed liquid in the cavity of the elastic glass of the piston 15 , through the opening 7. The dosing quick-polymerizing fluid acts on the spring-loaded check valve 8, while the spring 9 is deformed, bent downwards, and the valve 8 opens, passing the fluid. The liquid flows down and the shut-off valve 8 by the force of elasticity of the bolts 9 and under the action of atmospheric pressure closes the outlet opening 7. The drive 13 lifts the elastic cups-pistons 15. Through the gap between the inner 5 and 13.

The presence of vacuum in the working chamber reduces the air bag and the saturation of the dosed liquid with bubbles

of air.

Claims (1)

Invention Formula A dispenser of rapidly polymerizing liquids containing a consumable emrenal surface of an elastic glass-piston 15 and the outer wall of the elastic sleeve 10, as well as through the radial holes 11 of the metered liquid enters the cavity of the elastic glasses 0 of the pistons 15, then the cycle repeats. The presence of a labyrinth passage between the inner wall of the resilient station of the piston 15 and the outer wall of the seal connected by a pipeline, another sleeve 10 and then through the inner valve with a sealed root diameter of the elastic sleeve, as well as the bottom of which The presence of radial holes 11 is also made in at least one of the metering holes in the elastic sleeve 10 helps to eliminate the stagnant zone at the bottom 20 of the vacuum chamber 3 and in the upper part of the hollow cup-piston 15, with this design elements A coaxially KdTopoMy inside the chamber houses a rod connected by an upper end with a reciprocating vertical displacement drive. characterized in that, in order to increase reliability by eliminating a stagnant zone, at least one elastic tube, elastic sleeve and spring-loaded valve are inserted in it, the elastic stack is fixed on the lower end of the rod bottom upwards, the sleeve is fixed in the metering hole of the bottom of the chamber inside the canister with a gap, with radial holes in the sleeve at the bottom of the chamber, metering hole the viscous fluid is constantly replaced when dosing with new portions. Radial openings 11 in the pack {) elbows 10 also contribute to the complete removal of fluid from the vacuum chamber 3 with the valves 8 removed at the end of work. All this increases the reliability of the device as a whole. The arcuate shape of the spring 9 with upward curved and located above the point of connection of the spring 9 with the valve The 8 edges of the chamber ensure that the outside of the chamber is closed spring-loaded — the liquid does not flow through the valve, and the upper part of the chamber is connected to the spring with a vacuum source. Compiled by Y.Lutsuk Editor V.Kovtun Tehred A.Kravchuk Proofreader M.Demchik Order 2412/36 Circulation 693 Subscription VNIIPI USSR State Committee for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5 Production and printing company, Uzhgorod, ul. Project, 4 The dose of fluid is regulated by changing the distance between the elastic cup-piston 15 and the bottom 6 of the vacuum chamber 3 at a constant rate. The presence of vacuum in the working chamber reduces the air bag and the saturation of the dosed liquid with bubbles. of air. Invention Formula Dispenser of rapidly polymerizable liquids containing a supply tank connected by a pipeline that includes a valve with a sealed chamber, in the bottom of which at least one metering orifice is made bone connected by a pipeline that includes a valve with a sealed chamber, at the bottom of which at least one metering hole is made A coaxially KdTopoMy inside the chamber houses a rod connected by an upper end with a reciprocating vertical displacement drive. bone connected by a pipeline that includes a valve with a sealed chamber, at the bottom of which at least one metering hole is made characterized in that, in order to increase reliability by eliminating a stagnant zone, at least one elastic glass, elastic sleeve and spring-loaded valve are inserted into it, the elastic glass is fixed on the lower end of the stem bottom up, the sleeve is fixed in the metering hole of the bottom of the chamber inside the glass with a gap, and in the sleeve at the bottom of the chamber there are radial holes, the metering hole