KR20140078952A - Pipe facing maching - Google Patents

Pipe facing maching Download PDF

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Publication number
KR20140078952A
KR20140078952A KR1020120148288A KR20120148288A KR20140078952A KR 20140078952 A KR20140078952 A KR 20140078952A KR 1020120148288 A KR1020120148288 A KR 1020120148288A KR 20120148288 A KR20120148288 A KR 20120148288A KR 20140078952 A KR20140078952 A KR 20140078952A
Authority
KR
South Korea
Prior art keywords
steel pipe
diameter brush
outer diameter
polishing
screw shaft
Prior art date
Application number
KR1020120148288A
Other languages
Korean (ko)
Inventor
최병철
Original Assignee
현대중공업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to KR1020120148288A priority Critical patent/KR20140078952A/en
Publication of KR20140078952A publication Critical patent/KR20140078952A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/021—Cleaning pipe ends or pipe fittings, e.g. before soldering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/40—Single-purpose machines or devices for grinding tubes internally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/007—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for end faces of tubes

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel pipe improving (chamfering) apparatus, and more particularly, to a steel pipe improving apparatus which is provided with a polishing structure on a rotating plate of an improvement apparatus, To a steel pipe improving device having a weld portion polishing structure for improving workability by manual work and improving polishing quality due to mechanized machining.

Description

Technical Field [0001] The present invention relates to a pipe-

More particularly, the present invention relates to a steel pipe improvement apparatus having a welded portion abrading structure capable of continuously performing a steel pipe end improving operation, a welded portion of a steel pipe, and a rust removing operation of a periphery thereof .

In general, various types of equipment are installed in the ship or offshore structure, and various pipelines are installed on the ship for the navigation of the ship, the sanitation of the docking area and the environment.

The piping necessary for the operation of the ship is provided with piping for supplying the fuel, lubricating oil, cooling water, and steam required for operation of the propulsion engine, generator, etc., and piping for the residence, Piping is installed to supply seawater for fresh water and other various cleaning and wastewater treatment.

On the other hand, as described above, the steel pipe used as a ship pipe is usually made of a seamless steel pipe which is manufactured by rolling, extruding or drawing in the case of a small diameter, and a seamless steel pipe After forming, the formed strip steel can be divided into a welded steel pipe which is formed into a tubular shape by a forming roll, and the joint is welded.

Therefore, the steel pipe fabricated as described above is connected to the ends of the steel pipe by welding according to the pipe length. In order to weld the steel pipes, the end portions of the steel pipes are improved (chamfered) It is.

1, there is provided a rotating plate 20 that rotates a motor (not shown), and the steel plate 2 is provided with the rotating plate 20, A bite 21 for cutting improvement is mounted

In addition, on the opposite side of the rotary plate 20, a steel pipe fixture 30 is configured to fix and move the steel pipe 2 horizontally.

If the steel pipe 2 to be improved is mounted on the steel pipe fixing table 30 and the end of the steel pipe 2 is brought close to the rotating plate 20 while the rotating plate 20 is rotated, Is cut and cut to improve.

On the other hand, in general, the steel pipe is made of a steel material, and the rust is generated on the surface of the steel pipe due to long-term storage before use. In order to prevent welding failure during welding, The welding defect is minimized by polishing the portion.

However, the above-mentioned steel pipe surface polishing process is not equipped with any additional equipment, so that it is polished using a brush or a send paper by using a workforce, resulting in a waste of manpower and poor polishing due to a decrease in workability.

Korean Patent Publication No. 2005-0015464

SUMMARY OF THE INVENTION The present invention has been conceived in order to solve the above-mentioned problems, and it is an object of the present invention to provide a polishing apparatus and method for polishing a steel pipe by polishing a periphery of an end portion of a steel pipe, It is an object of the present invention to provide a steel pipe improving apparatus having a welded part polishing structure for bringing about economical loss, improved workability by manual work, and improved polishing quality due to machining.

In order to achieve the above object, a concrete means for achieving the above object is provided with a rotary plate having a horizontal axis rotated by motor power, a bite to be mounted by the adjustment bracket in the rotary plate, A steel pipe improving apparatus comprising a steel pipe fixing base having a fixing chuck,

Wherein the rotary plate is provided with an outer diameter brush unit for polishing the outer circumferential surface of the steel pipe,

The outer diameter brush unit includes: a fixed block fixed to a rotating plate; a fixed bracket bolted to the fixed block and protruding forwardly of the rotating plate; a fixed bracket screwed to the fixed bracket, And an outer diameter brush formed thereon.

As described above, the steel pipe improving apparatus having the abrasive structure of the present invention is equipped with the outer diameter and inner diameter brushes on the rotary plate of the improvement apparatus, and it is possible to continuously remove the rust on the periphery of the improved end after the steel tube end improving work. The workability can be improved and the quality of the abrasive part can be further improved. Further, the defective rate can be minimized when the steel pipe is connected by welding.

1 is a plan view of a conventional steel pipe improving apparatus.
2 is a plan view showing a steel pipe improving apparatus having a polishing structure of a weld portion of the present invention.
3 is a perspective view of a main part of a steel pipe improving apparatus having a polishing structure of the present invention.
4 is an operational state view of a steel pipe improving apparatus having a polishing structure of a weld portion of the present invention.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor may appropriately define the concept of the term in order to best describe its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications may be present.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a plan view showing a steel pipe improving apparatus having a polishing structure of the present invention, and FIG. 3 is a perspective view showing a main part of a steel pipe improving apparatus having a polishing structure of the present invention.

As shown in Figs. 2 and 3, the steel pipe remedying apparatus 1 having the abrasive structure of the present invention has a rotating shaft (not shown) having a horizontal axis rotated by a normal motor (not shown) And a steel pipe fixing unit 30 installed to correspond to the rotary plate 20 and installing and horizontally moving the steel pipe 2, In this case,

The outer diameter brush unit 100 for polishing the outer circumferential surface of the steel pipe 2 is formed in the rotary plate 20 and the polishing operation for removing the rust around the improved end portion can be performed by the outer diameter brush unit 100 .

The outer diameter brush unit 100 includes a fixing block 110 fixed to the rotary plate 20 at a position not interfering with the bite 21 and a fixing bracket 120 And an outer diameter brush 130 installed on the fixing bracket 120,

The fixed block 110 is formed of a block having a hexahedron shape and is fixed to the front surface of the rotary plate 20 and can be fixedly fixed by welding or bolting.

At this time, the fixing block 110 is formed with a plurality of pairs of bolt holes 111 and 111 'which are arranged on both sides in the circumferential direction from the center of the rotary plate 20.

The fixing bracket 120 is formed in the shape of a plate coupled to the fixing block 110. The fixing bracket 120 may be formed of any one of a plurality of bolt holes 111 and 111 ' 111 by means of bolts B for adjusting the distance of the outer diameter brush unit 100 according to the diameter of the steel pipe 2. [

In addition, the fixing bracket 120 is provided with a slot 121 in the longitudinal direction of the steel pipe 2.

The outer diameter brush 130 is formed with a screw shaft 131 which is coupled to the fixing bracket 120 at one side and an outer diameter brush brim 132 made of steel wire is formed at one end of the screw shaft 131 And is inserted into the slot 121 of the fixing bracket 120 by the screw shaft 131 and is fastened to the nut N. [

At this time, the distance between the screw shaft 131 and the end of the steel pipe 2 is adjusted according to the position where the screw shaft 131 is engaged with the long hole 121.

The inner diameter brush bristles 210 may be formed of steel wire on one side and the inner diameter brushes 200 may be formed on the other side of the inner bristles 220,

The inner diameter brush 200 can be constructed such that a bolt (B) is attached to the rotary plate 20, if necessary, so that the inner diameter of the steel pipe 2 can be polished.

Hereinafter, the operation of the steel pipe improving apparatus having the polishing structure of the present invention having the above-described structure will be described in detail with reference to the accompanying drawings.

The steel pipe improving apparatus (1) having the abrasive structure of the weld portion of the present invention is for removing the rust generated in the vicinity of the improved end portion continuously after performing the end improving operation of the ordinary steel pipe (2).

Specifically,

The steel pipe 2 on which the bobbin 21 is formed can be rotated and driven as in the ordinary steel pipe improving operation and then the steel pipe 2 with the steel pipe 2 Of the end of the steel pipe 2 is brought into contact with the rotating bite 21, so that the end of the steel pipe 2 is improved.

3 and FIG. 4, polishing is performed to remove the rust of the welded portion. When the polishing portion of the steel pipe 2 is set according to the adjustment of the outer diameter brush unit 100 will be.

That is, the outer diameter brush unit 100 is set according to the diameter of the steel pipe 2 to be improved. This is achieved by adjusting the position of the fixing bracket 120 from the fixing block 110, The outer diameter brush bristles 132 of the outer diameter brush 130 mounted on the outer surface of the steel pipe 2 are positioned on the surface portion of the steel pipe 2. [

This is because the screw shaft 131 of the outer diameter brush 130 is located somewhere in the long hole 121 of the fixing bracket 120 The outer circumferential surface polishing position of the steel pipe according to the steel pipe length is set.

When the inner circumferential surface of the steel pipe 2 needs polishing, the inner diameter brush 200 may be additionally provided. The inner diameter brush 200 is fixed to the inner diameter brush brim 210 by the fixing bar 220, (B) to the rotary plate (20) at a position in which it is in close contact with the inner circumferential surface of the steel pipe (2).

The outer diameter brush 130 and the inner diameter brush 200 of the outer diameter brush unit 100 mounted on the rotary plate 20 are connected to the steel pipe 2 And is rotated with the rotary plate 20 in a state of being in close contact with the outer circumferential surface and the inner circumferential surface, so that the rust on the surface of the steel pipe 2 is polished and removed.

As described above, in the steel pipe improving apparatus having the abrasive structure of the present invention, it is possible to carry out the polishing work continuously in the steel pipe improving apparatus without the need of removing the rust on the surface of the steel pipe by separately using the attraction force after the steel pipe improving work, And the polishing quality due to the machining operation can be improved.

100: outer diameter brush unit 110: fixed block
111, 111 ': Bolt hole 120: Fixing bracket
121: Long hole 130: Outer diameter brush
131: Screw shaft 132: Outside diameter Brush
200: inner diameter brush 210: inner diameter brush
220: Fixed bar

Claims (4)

A rotating plate 20 having a horizontal axis rotated by a motor power, a bite 21 mounted on the rotating plate 20, and a steel pipe 2 installed in correspondence with the rotating plate 20, A steel pipe remediation device comprising a steel pipe fixture (30)
In the rotary plate 20, an outer diameter brush unit 100 for polishing the outer circumferential surface of the steel pipe 2 is formed,
The outer diameter brush unit 100 includes a fixed block 110 fixed to the rotary plate 20 and a fixed bracket 110 fixed to the fixed block 110 by bolts B, And an outer diameter brush 130 coupled to the fixing bracket 120 with a screw shaft 131 and formed with an outer diameter brush bristle 132 made of a steel wire. And
The method according to claim 1,
In the first fixing block 110,
A bolt B is fastened to a pair of bolt holes 111 by a fixing bracket 120, and a pair of bolt holes 111 and 111 '
Wherein the fixing bracket (120) is selectively coupled to the bolt hole (111) (111 ') according to the diameter of the steel pipe (2).
The method according to claim 1,
The fixing bracket 120 is formed with a long hole 121 and a screw shaft 131 of the outer diameter brush unit 100 is fastened to the long hole 121 through a nut and a nut N,
Wherein a distance between the screw shaft (131) and an end of the steel pipe (2) is adjusted according to a position where the screw shaft (131) is engaged with the long hole (121).
The method according to claim 1,
And an inner diameter brush (210) formed of steel wire on one side and an inner diameter brush (200) having a fixing bar (220) extended on the other side,
Wherein the inner diameter brush (200) is configured such that bolts (B) are mounted on the rotary plate (20) when necessary.
KR1020120148288A 2012-12-18 2012-12-18 Pipe facing maching KR20140078952A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120148288A KR20140078952A (en) 2012-12-18 2012-12-18 Pipe facing maching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120148288A KR20140078952A (en) 2012-12-18 2012-12-18 Pipe facing maching

Publications (1)

Publication Number Publication Date
KR20140078952A true KR20140078952A (en) 2014-06-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120148288A KR20140078952A (en) 2012-12-18 2012-12-18 Pipe facing maching

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106826454A (en) * 2017-03-01 2017-06-13 叶宝义 A kind of hardware stainless steel tube repaiies end equipment
CN110524360A (en) * 2019-10-11 2019-12-03 刘安胜 For the synchronous deburring device inside and outside forge piece nozzle
CN111037382A (en) * 2019-12-20 2020-04-21 安徽银力铸造有限公司 Pipeline grinding device capable of sufficiently grinding
CN111993191A (en) * 2020-08-11 2020-11-27 杨宝东 Burr cleaning device
CN113305729A (en) * 2021-07-29 2021-08-27 徐州盛和木业有限公司 Polishing machine for rough and fine polishing of tubular workpiece
CN115837629A (en) * 2022-12-09 2023-03-24 江苏奔腾橡胶制品有限公司 Plastic product surface polishing device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106826454A (en) * 2017-03-01 2017-06-13 叶宝义 A kind of hardware stainless steel tube repaiies end equipment
CN110524360A (en) * 2019-10-11 2019-12-03 刘安胜 For the synchronous deburring device inside and outside forge piece nozzle
CN110524360B (en) * 2019-10-11 2021-04-06 刘安胜 Synchronous deburring device for inside and outside of pipe orifice of forged piece
CN111037382A (en) * 2019-12-20 2020-04-21 安徽银力铸造有限公司 Pipeline grinding device capable of sufficiently grinding
CN111993191A (en) * 2020-08-11 2020-11-27 杨宝东 Burr cleaning device
CN111993191B (en) * 2020-08-11 2021-11-26 临沂天佑钢管制造有限公司 Burr cleaning device
CN113305729A (en) * 2021-07-29 2021-08-27 徐州盛和木业有限公司 Polishing machine for rough and fine polishing of tubular workpiece
CN113305729B (en) * 2021-07-29 2021-11-02 徐州盛和木业有限公司 Polishing machine for rough and fine polishing of tubular workpiece
CN115837629A (en) * 2022-12-09 2023-03-24 江苏奔腾橡胶制品有限公司 Plastic product surface polishing device
CN115837629B (en) * 2022-12-09 2023-08-29 江苏奔腾橡胶制品有限公司 Plastic product surface polishing device

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