SU1459852A1 - Apparatus for submerged-arc welding - Google Patents

Abstract

The invention relates to devices for the continuous supply and cleaning of flux in automatic submerged arc welding. The purpose of the invention is to increase the reliability in operation, reduce the flux decomposition, as well as: reduce the mass and dimensions of the flux apparatus. The pneumatic apparatus contains a hopper with a vacuum chamber 1 and a funnel 2 for the flux 12, the walls of which are made breathable. Flux 12 is fed into the funnel, 2 through

Description

 y ffmw fffffffff

and

A tenth hole 3 with an air-permeable lid 4. Between chamber 1 and funnel 2 there is a partition 6 with a hole 10 for dumping flux 12 from chamber 1 into funnel 2. In hole 10 there is an ejector 7 connected by pipeline 8 with an outlet of the suction unit 5 placed in chamber 1 The used flux 12 through line 11 is sucked off from the surface of the product 13 into the chamber

1 due to the vacuum generated by unit 5 and cured into the funnel

2 through the opening 10 of the partition 6.

59852

Ejector

7 creates a vacuum in the area of the opening 10 preventing the air from being withdrawn from the funnel 2, thereby ensuring one-sided transfer of the flux 12 from chamber 1 to the funnel 2 and preventing it from entering the chamber 1 to the unit 5. Air from the funnel 2 is removed through its breathable air the walls and the air-permeable cover 4. The flux apparatus ensures the continuity of the flux circulation due to the absence of mechanical devices in contact with the flux. 1 hp ff, 1 ill.

one

This invention relates to devices for continuous feeding and cleaning, flux during automatic submerged arc welding.

The aim of the invention is to increase the reliability of operation, reduce the sputtering of the flux, as well as reduce the mass and dimensions of the flux apparatus.

The drawing shows a fluorescent instrument, a general view.

The pneumatic flux apparatus contains a hopper with a dilution chamber 1 and a flux funnel 2, a decantation hole 3 with a crush 4, a suction unit 5, a partition 6 placed between the dilution chamber 1 and a funnel 2 for the flux, an ejector 7, a pipework 8, connecting the ejector entrance 7 s the outlet of the suction unit 5, the valve 9 placed on the code of the funnel 2 for the flux, the hole 10 for dumping the flux made in the partition 6, the pipe 11 for introducing the flux-air mixture 12 into the chamber 1 of the vacuum from the surface of the product 13 and the filter 14 placed in the chamber one dilution.

Flux apparatus works as follows.

The flux funnel 2 is filled with the flux 12 through the tenth hole 3 with the cover 4 removed and the valve 9 closed. Then the cover 4 is closed and the engine of the suction unit 5 is turned on. When the valve 9 is open, the flux 12 is connected to the product 13, simultaneously pipeline 11 is not

five

0

five

0

The flux melted in the weld zone is sucked into the vacuum chamber 1 as a result of the vacuum created by the suction unit. Suction air is cleaned from flux using a filter 14, and then through pipe 8 enters the inlet of ejector 7. Air flow from the outlet of suction unit 5 to ejector 7 creates, in the zone of the flux opening 10, local vacuum preventing air suction. from the funnel 2 for the flux and ensuring the transfer of the flux from the vacuum chamber 1 to the funnel 2 for the flux. The air from the outlet of the ejector 7 passes through the air-permeable walls of the funnel 2 and the air-permeable roof 4 of the filling opening 3, is cleared of dust and flux particles and enters the atmosphere. Thus, during the operation of the fluorescent appliance in the area of the opening 10, the flux is drained stable discharge of the flux from the hopper to the funnel 2 for the flux, as well as the absence of air suction from the funnel 2 for the flux to the dilution chamber 1, which improves the operation of the suction unit ;.

that 5. The slight overpressure created by the flux in the funnel 2 by the air flow coming through the ejector 7 ensures a steady flow of the flux 12 to the welding zone 5.

Pneumatic flux apparatus provides automatic

flux circulation jerkiness during welding. The lack of mechanical parts in contact with the flux provides an increase in the reliability of the flux apparatus, a reduction in the flux size, as well as a decrease in the mass and dimensions of the device.

The use of a flux apparatus will increase the productivity of the welder, reduce noise and vibrations, and improve the working conditions of the welder. Invention Formula

Claims (2)

1. A pneumatic flux apparatus containing a hopper with a vacuum chamber and a funnel for the flux, a filter placed in the vacuum chamber, an ejector, a partition with an opening for dumping the flux, placed between A vacuum chamber and a funnel for the flux, a decoupling hole with a cap, a suction unit, the inlet of which is connected to the vacuum chamber, and a pipeline for injecting a flux-air mixture, characterized in that reducing the mass and dimensions of the fluoacoupler, the ejector is installed in the opening of the bulkhead to discharge the flux; this way, the outlet of the suction unit is connected to the inlet of the ejector, and the walls of the flux funnel are air-permeable. 2. Flux apparatus according to claim 1, which is based on the fact that the lid of the dry hole is made breathable in the form of an air filter.