KR200221085Y1 - Apparatus for removing slag inside surface of roll bender pipe - Google Patents

Abstract

The present invention is to produce a pipe by welding arc welding by arc welding when manufacturing a roll-bender pipe in a manufacturing plant. In this case, by applying a flux to increase the electric weldability, the slag is generated by the electric discharge, the conventional pipe The present invention has been made without removing the flux and slag present on the inner circumferential surface, so problems such as environmental pollution exist when using this pipe. Therefore, the present invention provides a solution for removing flux and slag after pipe welding is completed. will be.

Description

Apparatus for removing slag inside surface of roll bender pipe}

The present invention is a welding flux (Flux), which is a solvent injected to improve the weldability on the inner circumferential surface of the roll bander pipe by the submerged arc welding (SAW) submerged arc welding (SAW) to the weld surface A field of equipment for removing slag that is generated. Arc arc generated during rollbender steel pipe manufacturing melts the electrode base material and flux, and the molten flux forms slag and completes the pipe making. Shipped as a finished product.

In order to improve the weldability, the flux that is injected into the pipe during the pipe work or slag generated during the welding work is released without any separate work, and these pipes always remain on the inner circumferential surface of the pipe when water and sewage pipes are installed. The foreign matters cause problems such as water pollution.

1 is an exemplary view of the entire line of the slag removal device of the inner surface of the roll bending pipe carried out in accordance with the present invention

Figure 2 is a perspective view of the inner surface slag removal device of the roll bender

Figure 3 is a longitudinal cross-sectional view of the present device operating the device for removing the slag on the inner surface of the pipe slag removal state when the pipe is transported to one side

Figure 4 is a slag removal state when the pipe is transferred to the other side

<Code Description of Main Parts of Drawing>

1.Pipe 10. BOOM

11. Horizontal brackets 12,12a. piston

13,13a. Piston Rod 14,14a. brush

15. Floating nozzle 16. Suction pipe

17. Capture tank 18,18a. Connector

19. Vacuum pump 20. Stationary roller

21. Sensor 22, 22a. Guide post

S. flux

The present invention is a design for a pipe inner slag removal device designed to forcibly remove foreign substances remaining in the pipe as described above.

The structure of the roll bender pipe inner slag removing device implemented according to the present invention is a boom (BOOM) 10 of a length which is located to the front end of the inner peripheral surface horizontally mounted in about two times the length of the unit length of the pipe (1) to be manufactured To the center of the inner peripheral surface of the pipe (1) to the center of the boom (10) to the front end of the horizontal bracket (11) to the predetermined length and two pistons (12) (12a) on the upper surface of the horizontal bracket (11) Is mounted in the longitudinal direction of the pipe (1) in the vertical type so that the rods (13) and (13a) of the pistons (12) and (12a) are projected downwards, and the piston rods (13) and (13a) respectively have brushes (14). 14a is attached, and a separate auxiliary brush 14b is mounted downward on the bottom surface of the boom 10 inside the pipe 1 of the brushes 14 and 14a.

On the other hand, inside the boom 10 having a hollow hollow hollow pipe, a suction pipe 16 inclinedly mounted with a slag piece having a predetermined constant diameter and a subsidiary nozzle 15 for sucking the flux S is installed. The end of the suction pipe 16 is connected to the flux (S) collecting tank (17) as a connecting pipe (18). The other side of the flux (S) collecting tank (17) is connected to a vacuum pump (19) with a connecting pipe (18a). Pipe 1 is connected to the pipe (1) in the state in which the boom 10 is accommodated therein by the forward and reverse rotation of the rollers 20 on the plurality of forward and reverse rollers 20 provided below the outer peripheral surface of the pipe 1 The present invention is configured to allow the reciprocating movement in the full length direction.

In the figure, reference numeral 21 denotes a sensor for detecting and instructing a signal mode for detecting a reciprocating motion of the pipe 1 and alternately switching the moving direction. And (22) (22a) is a guide post for maintaining the horizontal when each brush (14, 14a) is raised and lowered.

The roll bender pipe inner slag removal device implemented according to the present invention configured as described above is placed on the top and bottom rollers 20 at a state where the tip of the pipe 1 is positioned from the tip of the boom 10 of a predetermined length and the forward and reverse roller ( Rotating 20 in the direction of the boom 10 causes the pipe 1 to move toward the boom by the rotation of the forward and reverse rollers 20, and at this time, the piston 12 mounted vertically to the horizontal bracket 11 mounted at the tip of the boom ( The rods 13 and 13a of 12a are pulled out downward, and the brushes 14 and 14a provided at the ends of the rods 13 and 13a are provided with flux S and slag existing on the inner circumferential surface of the pipe 1. It moves while scraping and the other end of the pipe (1) passes through the brushes (14) (14a) as shown in Figure 3 to discharge foreign matter such as flux and slag to the outside of the pipe (1) When the pipe 1 advances to the state 3, it is detected by the sensor 21 separately provided. As the rotation of the reverse roller 20 is reversed, the pipe 1 is reversed. At this time, the tip of the floating nozzle 15 provided inside the pipe 1 receives fine foreign matter remaining in the pipe 1. The suction pipe 16 is sucked by the suction force of the vacuum pump 19 to be collected in the impurity collecting tank 17 through the suction pipe 16 connected to the nozzle 15 to clean the inner peripheral surface of the pipe 1 with the pipes Pipes, etc., can be used to produce environmentally friendly pipes.

Claims (1)

When manufacturing the roll bender pipe (1) of the length that is located to the tip of the inner circumferential surface horizontally mounted to approximately twice the length of the unit length of the pipe (1) to remove the flux and slag existing on the inner circumferential surface of the pipe (1) The boom 10 is horizontally loaded in the center of the pipe 1, but the horizontal bracket 11 is struck at a predetermined length at the tip of the boom 10, and two booms 10 are mounted on the top surface of the horizontal bracket 11. The pistons 12 and 12a are mounted vertically in the longitudinal direction of the pipe 1, but the rods 13 and 13a of the pistons 12 and 12a are projected downwards and the piston rods 13 and 13a are mounted. Are attached to each of the brushes 14 and 14a, and a separate auxiliary brush 14b is mounted downward on the bottom surface of the boom 10 inside the pipe 1 of the brushes 14 and 14a. Inside the boom 10 in the form of a square pipe, slag pieces and fluxes S having a predetermined constant diameter are sucked in. The suction pipe 16 inclinedly mounted with the subsidiary nozzle 15 is installed, and the tip of the suction pipe 16 is connected to the flux S collecting tank 17 and the connecting pipe 18 and the flux collecting tank 17. The other side of the) to connect the vacuum pump 19 and the connecting pipe (18a) and the pipe (1) boom by the forward and reverse rotation of the roller (20) on a plurality of forward and reverse rollers provided on the lower peripheral surface of the pipe (1) A roll bender pipe inner surface slag removal device which makes it possible to reciprocate in the full length direction of the pipe (1) in the state accommodated inside.