WO2003018255A1 - Appareil de meulage de bords de plaques - Google Patents

Appareil de meulage de bords de plaques Download PDF

Info

Publication number
WO2003018255A1
WO2003018255A1 PCT/NO2002/000286 NO0200286W WO03018255A1 WO 2003018255 A1 WO2003018255 A1 WO 2003018255A1 NO 0200286 W NO0200286 W NO 0200286W WO 03018255 A1 WO03018255 A1 WO 03018255A1
Authority
WO
WIPO (PCT)
Prior art keywords
grinding
plate
belt
edge
grinding set
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/NO2002/000286
Other languages
English (en)
Other versions
WO2003018255A8 (fr
Inventor
Leif Konrad Storaas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grobi AS
Original Assignee
Grobi AS
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 Grobi AS filed Critical Grobi AS
Publication of WO2003018255A1 publication Critical patent/WO2003018255A1/fr
Publication of WO2003018255A8 publication Critical patent/WO2003018255A8/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B24B9/002—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for travelling workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/34—Preliminary treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/235—Preliminary treatment
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/002—Machines or devices using grinding or polishing belts; Accessories therefor for grinding edges or bevels
    • 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface

Definitions

  • the present invention relates to an apparatus adapted for edge grinding of plates, suitably for preparatory machining before a welding operation, which apparatus comprises a frame construction having one grinding set and a conveyor means that guides and drives the plate into the frame construction and toward the grinding set.
  • a prior art grinding process is known that provides a pure surface before welding.
  • the grinding process is based on a belt sander and a contact wheel that urges or presses the grinding belt against the surface of the material.
  • the contact wheel is set in such position that the belt grinds along (parallel to) the material.
  • a sharp division is formed between the material being grinded and that not being grinded. This indentation or ledge is undesirable since a sharp edge or internal corner is created, which later on will constitute a point of weakness that may form a starting point for corrosion and crack formation that may lead to rupture by fatigue. Finishing treatment by spraying primer after the welding process has revealed that the primer does not provide adequate covering of the sharp edge.
  • the rain of sparks follows along the plate edge or the profile. This is a disadvantage when a shield is constructed around the apparatus.
  • a dust free grinding process is desired, which can be obtained by a complete enclosure of the grinding apparatus and connection of a suction duct that leads to a filter. Since the material is to pass through the enclosure, a sealing problem arises as sparks easily fly out of the opening through which the material exits. Suitable sealing material that stands the strain over time can be difficult to find. Rubber, for example, is easily ignited by the sparks. The rain of sparks is prone to adhere to the sealing material like "sticky snow" and thus creates a maintenance problem.
  • the grinding width can be varied by turning the grinding set (fig. 3)
  • the grinding rain does not follow the material being grinded and consequently do sparks not fly out of the opening through which the material exits from the enclosure
  • the welding speed of automated welding machines can nearly be doubled when the material is edge grinded by the present method.
  • the grinding set is a belt sander having a continuous grinding belt extending over two turning wheels, that the grinding set is inclined at an angle relative to the longitudinal edge of the plate, that the machining area of the belt sander is located at one of the turning wheels and that the belt sander is working on a confined surface area only along the edges of the plate.
  • the apparatus may conveniently include a second grinding set that is inclined by an angle relative to the longitudinal edge of the plate and machines a defined surface area along the edge of the plate at the side opposite of that machined by the first grinding set.
  • the apparatus may include a third grinding set inclined at an angle relative to the surface of the plate and which is intended for the machining of the longitudinal end edge of the plate.
  • the third grinding set is located, viewed in the feeding direction of the plate, after the first and second grinding set. A particularly good result is obtained if the third grinding set is adapted for motion up and down relative to the surface of the plate.
  • the first and second grinding sets are arranged directly opposing each other having the plate only therebetween. During grinding of thinner plates, this, due to deflection, is nearly a prerequisite to obtain acceptable grinding results.
  • a third wheel is arranged between the turning wheels of the belt sander, which wheel constitute a grinding wheel that is adjustable with regard to grinding press (force) against the belt, where the machining area of the belt grinder now is at this grinding wheel.
  • Fig. 1 shows in perspective view a complete apparatus according to the invention that is designed for edge grinding of plates
  • Fig. 2 shows in perspective view the traditionally used grinding principle and constitutes the prior art as it is known to the applicant
  • Fig. 3 shows in perspective view the grinding principle used with the present invention
  • Fig. 4 shows in perspective view the grinding principle according to the present invention having belt sanders inclined relative to the workpiece.
  • FIG. 1 shows an embodiment of a complete apparatus 10 which is designed for grinding of plate edges, normally steel plates 1 having a substantial longitudinal extension relative to its width. Normally the entire apparatus 10 is enclosed by a cover (not shown). Thus the spark rain is kept within the cover 1 of the apparatus 10.
  • the apparatus 10 includes a frame construction 2 having fastening means 3 for fixed mounting to a base, such as a floor in a workshop.
  • the frame construction 2 has a number of transverse beams 4, in the illustrated embodiment a number of three.
  • the beams 4 are spaced from the floor and the distance is adapted to an ergonomically pleasant working height for those people who shall handle the plates 1 and operate the apparatus 10.
  • a rolling table (not shown) will be placed adjacent to the apparatus 10 at that end which the plate 1 is introduced and on which the plate 1 rests.
  • Each beam 4 supports a substantially horizontally extending drive roll 5 onto which the plate 1 rests and is also able to translate the plate 1 through the apparatus 10.
  • the drive rolls 5 can be driven by respective electric motors (not shown), or by a common motor for all the drive rolls 5. In all the drive rolls 5 form a conveyor means.
  • a transverse girder 6 is arranged above each respective beam 4 and within the frame construction 2.
  • Each girder 6 supports a unit 7 having a wheel 8 that can be activated and urged against the plate 1, preferably directly opposing a drive roll 5.
  • the unit 7 includes two clamping plates 7a, 7a' that can be clamped to the girder 6 by means of four bolts 7b.
  • a fork 7c extends inclined downward from the lower clamping plate 7a' .
  • a wheel suspension 7d is in its front end pivotable supported at the lower end of the fork 7c.
  • a substantially vertically extending working cylinder 7e is arranged between the rear end of the wheel suspension 7d and the clamping plate 7a.
  • the working cylinder 7e can be activated to apply force to the rear end of the wheel suspension 7d and thus urge the wheel 8 against the plate 1.
  • the clamping plates 7a, 7a' can be loosened via the bolts 7b and the entire unit 7 displaced transversally of the frame construction 2 along the girder 6.
  • Each guiding wheel 4a, 4a' is rotatable about a vertical axis. Normally one of the guiding wheels 4a will remain in a fixed position on the beam 4, while the other guiding wheel 4a' is displaceable along the beam 4 in order to adapt to the actual width of the plate 1.
  • the plate 1 is fed through the apparatus 10 in a guided way by means of the rolls 5, the wheels 8 and the guiding wheels 4a, 4a'.
  • the plate 1 can be driven through the apparatus 10 in both directions like the double arrow P illustrates.
  • an operator will normally select a direction with regard to the logistics in the premises and the direction providing the best grinding result for the plate 1.
  • the frame construction 2 also includes a second frame structure 9 which in the shown embodiment supports two grinding sets 11 and 12.
  • the grinding sets 11, 12 are inclined relative to the longitudinal edge la of the plate 1.
  • the upper grinding set 11 is intended for machining the top surface of the plate 1, while the lower grinding set 12 is to grind the bottom surface.
  • Each grinding set 11, 12 includes a belt sander consisting of an endless or continuous grinding belt l ie, two turning wheels 1 la, 1 lb and an intermediate wheel 13, in the following called grinding wheel 13, since it is this one that is pressed against the plate 1 having the grinding belt lie therebetween.
  • the grinding wheel 13 is adjustable in a direction to and from the grinding belt 1 lc in order to provide a proper grinding press, in addition to create an opening between the two grinding sets 11, 12 for introduction of the plate 1 between the grinding belts lc.
  • the second frame structure 9 can have one of the grinding sets only, either the upper 11 one or the lower 12 one.
  • the intermediate wheel may be completely omitted.
  • the turning wheel that is closest to the plate 1 will also be used as grinding wheel. This will normally provide a deeper fillet (see fig. 3) in the finished ground stripe subsequent to the machining of the surface of the plate 1 compared to the use of the grinding wheel 13 as described above, h this embodiment can either the entire grinding set 11, 12 be elevated and lowered to determine the grinding press (force), or be pivoted about an axis adjacent to the turning wheel so that the grinding wheel can be pivoted up and down to determine the grinding press.
  • the second frame structure 9 is shown inclined relative to the frame construction 2 and the plate edge 1 a.
  • the second frame structure 9 is adjustable and can be set at different angles relative to the plate edge la, preferably in the entire range from 0° to 180°.
  • the grinding sets 11, 12 can individually be elevated/lowered relative to the second frame structure 9. This is used for a rough setting of the grinding sets 11, 12 relative to the actual plate 1 to be machined.
  • the grinding press against the plate material is determined by the grinding wheel 13, which is movable to and from the plate 1.
  • the frame construction 2 also includes a third frame structure 15, which in the shown embodiment supports another grinding set 16.
  • the grinding set 16 is inclined relative to the longitudinal edge la of the plate 1.
  • the grinding set 16 is designed to machine the longitudinal end edge lb of the plate.
  • the grinding set 16 includes a belt sander consisting of a continuous grinding belt 16c, two turning wheels 16a, 16b and an intermediate wheel 17, or grinding wheel 17, pressing against the end edge lb of the platel with the grinding belt 16c therebetween.
  • the grinding set 16 of the third frame structure 15 can be set at different angles relative to the plate edge la, preferably in the entire range from 0° to 90° where 0° is the situation when the grinding belt 16c extends parallel to the plate edge la. During a grinding operation the entire grinding set 16 is moved up and down relative to the plate edge la.
  • the grinding operation itself takes place in that the plate 1, which initially rests on the rolling table (not shown), is fed into the apparatus 10 from right hand side in fig. 1 and onto the first drive roll 5, underneath the first press wheel 8 and between the guiding wheels 4a, 4a'.
  • a photocell, or similar will start the grinding sets 11, 12 and optionally the set 16.
  • each grinding wheel 13 is activated to move towards the plate 1 and until a predetermined grinding press is obtained.
  • the grinding process is thus initiated and the plate 1 is fed continuously further on through the apparatus 10 and reaches the second drive roll 5 and the second press wheel 8, which contributes to further pulling force in the plate 1.
  • the plate 1 approaches the grinding set 16, if not started earlier, this too is started for grinding the longitudinal plate end edge lb.
  • the third drive roll 5 and the third press wheel 8 engage the plate 1 and contribute further to pull the plate 1 through the apparatus 10.
  • Fig. 2 shows the traditional grinding process where the grinding wheel of the belt sander urges the grinding belt against the plate material such that the belt grinds along and parallel to the plate edge.
  • This provides a grinding profile in the fo ⁇ n of a substantially right internal angle as illustrated in the encircled part of fig. 2. This, however, provides those disadvantages described in the introductory part of the description.
  • Fig. 3 shows principally the results of the present grinding process where the grinding wheel of the belt sander urges the grinding belt inclined against the plate material such that the belt grinds by an angle relative to the plate edge. This results in a grinding profile in the form of a fillet as illustrated in the encircled part of fig. 3. This provides those advantages disclosed in the introductory part of the description.
  • Fig. 4 shows schematically and in closer detail how the upper grinding set 11 machines the longitudinal, horizontal, upper edge la of the plate 1.
  • the grinding set 11 is inclined by an angle relative to the end edge lb of the plate 1.
  • an elevational view of the grinding set 11 in the form of a belt sander is shown.
  • the continuous grinding belt l ie extends over the two turning wheels 11a and 1 lb.
  • the grinding wheel 13 is movable up and down like the arrow P 2 indicates.
  • the arrow P 3 illustrates the possibility to alter the angle ⁇ by turning the grinding set 11 about a vertical axis.
  • the grinding width of the plate edge lb can be varied by changing the angle . As an example, with a grinding belt of 75mm, one may grind a stripe of 50mm or 30mm all depending on how large the angle is.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

L'invention concerne un appareil (10) conçu pour meuler des bords de plaques (1), de préférence pour un usinage préparatoire, avant une opération de soudage. Cet appareil (10) comprend une construction d'ossature (2) présentant au moins un ensemble de meulage (11, 12), et un moyen de convoyeur permettant de guider et d'amener la plaque (1) sur la construction d'ossature (2), et vers l'ensemble de meulage (11). L'ensemble de meulage (11) se présente sous la forme d'une ponceuse à courroie, présentant une courroie de meulage continue (11c) s'étendant sur deux roues rotatives (11a, 11b). L'ensemble de meulage (11) est incliné selon un angle (α) par rapport au bord longitudinal (1a) de la plaque (1). La zone d'usinage de la ponceuse à courroie est située au niveau d'une roue rotative (11a), et la ponceuse à courroie fonctionne sur une surface confinée, uniquement le long du bord (1a) de la plaque (1).
PCT/NO2002/000286 2001-08-22 2002-08-20 Appareil de meulage de bords de plaques Ceased WO2003018255A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20014079 2001-08-22
NO20014079A NO20014079L (no) 2001-08-22 2001-08-22 Anordning for kantsliping av plater

Publications (2)

Publication Number Publication Date
WO2003018255A1 true WO2003018255A1 (fr) 2003-03-06
WO2003018255A8 WO2003018255A8 (fr) 2003-10-09

Family

ID=19912749

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2002/000286 Ceased WO2003018255A1 (fr) 2001-08-22 2002-08-20 Appareil de meulage de bords de plaques

Country Status (2)

Country Link
NO (1) NO20014079L (fr)
WO (1) WO2003018255A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003072304A1 (fr) * 2002-02-28 2003-09-04 Nina Himmer Unité automatique d'usinage
KR20130050876A (ko) * 2011-11-08 2013-05-16 니혼 미크로 코팅 가부시끼 가이샤 단연부를 연마 테이프에 의해 연마 마무리한 판유리 및 판유리 단연부의 연마 방법 및 연마 장치
CN103433574A (zh) * 2013-08-15 2013-12-11 王玉凯 铜带磨边清洗机
WO2015121158A1 (fr) * 2014-02-11 2015-08-20 Bernd Riepe Machine mobile pour lde travail du bois mobile destinée à travailler la bordureusiner le chant d'un panneau de meuble en bois
CN105856037A (zh) * 2016-06-06 2016-08-17 佛山市德琞科技有限公司 一种自动化打磨机
EP3012067A3 (fr) * 2014-10-22 2016-09-28 Viet Italia S.r.l. con Unico Socio Installation de sablage/finition de panneaux en bois, en métal ou analogue
CN106141875A (zh) * 2016-08-16 2016-11-23 温州市成尚装饰五金有限公司 一种五金加工用钢板表面抛光装置
CN107052468A (zh) * 2017-03-14 2017-08-18 余文煜 一种用于建筑铁板表面除锈的装置
CN107671682A (zh) * 2017-10-30 2018-02-09 陈永 一种钢板加工用除锈打磨装置
CN110125781A (zh) * 2019-06-20 2019-08-16 周小鹏 一种适用于汽车刹车盘的翻新设备
CN111136553A (zh) * 2019-12-23 2020-05-12 青岛林海建设工程有限公司 一种建筑领域外露钢材除锈装置
CN118023131A (zh) * 2024-04-11 2024-05-14 莱芜亿达新材料科技有限公司 一种活性氧化铝球加工用筛选装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137105A (en) * 1961-08-11 1964-06-16 Vinnell Steel Edge cleaner
US3943667A (en) * 1975-07-11 1976-03-16 Acme Steel Door Corporation Automatic weld grinding machine
US4322918A (en) * 1980-05-23 1982-04-06 Acrometal Products, Inc. Abrasive grinding machine
JPS59142053A (ja) * 1983-02-01 1984-08-15 Hitachi Zosen Corp ベルト式開先研削装置
US4601134A (en) * 1984-01-21 1986-07-22 Karl Heesemann Maschinenfabrik Gmbh & Co. Kg Belt grinder having pressure pads with individually variable contact pressures
EP0225296A1 (fr) * 1985-10-22 1987-06-10 Dmc S.P.A. Ponceuse à bande abrasive large
EP0549822A1 (fr) * 1991-10-08 1993-07-07 Chih-Lung Jen Machine d'abrasion à bandes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137105A (en) * 1961-08-11 1964-06-16 Vinnell Steel Edge cleaner
US3943667A (en) * 1975-07-11 1976-03-16 Acme Steel Door Corporation Automatic weld grinding machine
US4322918A (en) * 1980-05-23 1982-04-06 Acrometal Products, Inc. Abrasive grinding machine
JPS59142053A (ja) * 1983-02-01 1984-08-15 Hitachi Zosen Corp ベルト式開先研削装置
US4601134A (en) * 1984-01-21 1986-07-22 Karl Heesemann Maschinenfabrik Gmbh & Co. Kg Belt grinder having pressure pads with individually variable contact pressures
EP0225296A1 (fr) * 1985-10-22 1987-06-10 Dmc S.P.A. Ponceuse à bande abrasive large
EP0549822A1 (fr) * 1991-10-08 1993-07-07 Chih-Lung Jen Machine d'abrasion à bandes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 8, no. 270 11 December 1984 (1984-12-11) *

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6969300B2 (en) 2002-02-28 2005-11-29 Nina Himmer Automated processing unit for a working station
WO2003072304A1 (fr) * 2002-02-28 2003-09-04 Nina Himmer Unité automatique d'usinage
KR101928104B1 (ko) * 2011-11-08 2018-12-11 니혼 미크로 코팅 가부시끼 가이샤 단연부를 연마 테이프에 의해 연마 마무리한 판유리 및 판유리 단연부의 연마 방법 및 연마 장치
KR20130050876A (ko) * 2011-11-08 2013-05-16 니혼 미크로 코팅 가부시끼 가이샤 단연부를 연마 테이프에 의해 연마 마무리한 판유리 및 판유리 단연부의 연마 방법 및 연마 장치
JP2013099821A (ja) * 2011-11-08 2013-05-23 Nihon Micro Coating Co Ltd 端縁部を研磨テープにより研磨仕上げした板ガラス並びに板ガラス端縁部の研磨方法及び研磨装置
CN103433574A (zh) * 2013-08-15 2013-12-11 王玉凯 铜带磨边清洗机
WO2015121158A1 (fr) * 2014-02-11 2015-08-20 Bernd Riepe Machine mobile pour lde travail du bois mobile destinée à travailler la bordureusiner le chant d'un panneau de meuble en bois
EP3012067A3 (fr) * 2014-10-22 2016-09-28 Viet Italia S.r.l. con Unico Socio Installation de sablage/finition de panneaux en bois, en métal ou analogue
CN105856037A (zh) * 2016-06-06 2016-08-17 佛山市德琞科技有限公司 一种自动化打磨机
CN105856037B (zh) * 2016-06-06 2018-01-23 佛山市德琞科技有限公司 一种自动化打磨机
CN106141875A (zh) * 2016-08-16 2016-11-23 温州市成尚装饰五金有限公司 一种五金加工用钢板表面抛光装置
CN107052468A (zh) * 2017-03-14 2017-08-18 余文煜 一种用于建筑铁板表面除锈的装置
CN107671682A (zh) * 2017-10-30 2018-02-09 陈永 一种钢板加工用除锈打磨装置
CN110125781A (zh) * 2019-06-20 2019-08-16 周小鹏 一种适用于汽车刹车盘的翻新设备
CN111136553A (zh) * 2019-12-23 2020-05-12 青岛林海建设工程有限公司 一种建筑领域外露钢材除锈装置
CN118023131A (zh) * 2024-04-11 2024-05-14 莱芜亿达新材料科技有限公司 一种活性氧化铝球加工用筛选装置
CN118023131B (zh) * 2024-04-11 2024-06-07 莱芜亿达新材料科技有限公司 一种活性氧化铝球加工用筛选装置

Also Published As

Publication number Publication date
WO2003018255A8 (fr) 2003-10-09
NO20014079D0 (no) 2001-08-22
NO20014079L (no) 2003-02-24

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JPH0222207Y2 (fr)

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