WO2003013787A1 - Dispositif de travail et procede pour travailler une pile d'elements en plaque - Google Patents

Dispositif de travail et procede pour travailler une pile d'elements en plaque Download PDF

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Publication number
WO2003013787A1
WO2003013787A1 PCT/DK2002/000523 DK0200523W WO03013787A1 WO 2003013787 A1 WO2003013787 A1 WO 2003013787A1 DK 0200523 W DK0200523 W DK 0200523W WO 03013787 A1 WO03013787 A1 WO 03013787A1
Authority
WO
WIPO (PCT)
Prior art keywords
stack
working
grinding
working station
away
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/DK2002/000523
Other languages
English (en)
Inventor
Steffen Bastrup Pedersen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP02794494A priority Critical patent/EP1423233A1/fr
Priority to US10/485,311 priority patent/US20060089086A1/en
Publication of WO2003013787A1 publication Critical patent/WO2003013787A1/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
    • 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
    • B24B27/0007—Movable machines
    • 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
    • B24B27/003—Other grinding machines or devices using a tool turning around the work-piece
    • 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
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • 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
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/18—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of wood

Definitions

  • the invention relates to a working station for working vertical edges of a stack of plate-shaped elements, which working station comprises a support for supporting the stack and a number of working devices that are each configured to be brought towards and away from the stack.
  • the invention also relates to a method of working vertical edges of a stack of plate-shaped elements by means of a number of working devices that are successively brought towards the vertical edges of the stack and work them along their entire circumference.
  • Such working station is used eg for grinding or intermediate grinding of edges of tabletops, shelves or other furniture elements that can be stacked for forming a stack, wherein, in this case, the working station comprises a number of grinding cylinders that can be caused to abut on the vertical edges of the stack.
  • EP-A2-1 ,034,882 teaches one such grinding device, wherein the stack of plate-shaped elements is secured on a roller belt, while the grinding device with two grinding cylinders can be conveyed around the stack with one of the grinding cylinders in contact with the peripheral edges of the stack.
  • the grinding cylinders are mounted in a common holder device that is tumably suspended in a travelling trolley that can be caused to slide in a first direction along a transverse beam that can further be caused to slide in a second direction perpendicular thereto.
  • This construction means that the grinding cylinders can be conveyed around the stack while one of them abuts on the vertical edges of the stack and grinds them.
  • the holder device of the grinding cylinders is turned 180°, whereby the second cylinder is caused to abut on the periphery of the stack. Then this second grinding cylinder is conveyed around the stack, preferably with an oppositely oriented direction of rotation.
  • a further working station is also known in the form of a grinding device that is automated.
  • the stack of plate-shaped elements is also secured, while the working devices rotate about the stack.
  • the peripheral geometry of the stack is measured by a measuring wheel that rotates about the stack in order to subsequently revert to its starting point.
  • a grinding cylinder with double-coated flexible grinding cloth is conveyed around the stack while it rotates in one direction.
  • a blow cleaner is conveyed around the stack to remove grinding dust and it also reverts to its starting point.
  • the stack is caused to run around six times during this grinding process, of which the two involve no kind of working.
  • the working station described above such that the support is configured for being able to rotate the stack about a vertical axis, and that the working devices are configured for being, in a fixed track, displaceable between an outermost position away from the stack and an innermost position towards or in proximity of the vertical edges of the stack, irrespective of the angulation of the stack. It is also obtained by the method described above being configured such that the stack is rotated about a vertical axis, and that the working devices are displaced in a fixed track for working of the vertical edges of the stack.
  • a working station is achieved for working the vertical edges of a stack of plate-shaped elements, said working station having firstly a more simple construction that the prior art grinding device described above, the number of degrees of freedom for the individual working devices being considerably reduced. Furthermore this construction of a working station, where the stack is the rotating element as opposed to the prior art where it is the working devices that are conveyed around a fixed stack, means that the working time can be reduced since return of the working devices no longer takes place.
  • each of the working stations is mounted on a sliding carriage that can be caused to slide radially towards and away from the stack.
  • Such mounting of the working devices is particularly simple and gives rise to a comparatively simple monitoring of the management of the working station.
  • a working station is particularly suitable as grinding device for grinding vertical edges of a stack of plate- shaped elements.
  • the working devices comprise at least one grinding cylinder that is configured to be turnable about a vertical axis.
  • the grinding cylinder is preferably provided with a flexible grinding material, which causes the grinding effect of the grinding cylinder to be maintained over time.
  • the working station comprises precisely two grinding cylinders that are configured for rotation in opposite directions, whereby uniform working is performed on the edges of plate-shaped elements.
  • the working station according to the invention is preferably provided with measuring means for detecting the peripheral geometry of the stack, since guide means are also provided for automatically moving the working devices towards the and away from the stack in response to the detected geometry and the rotation of the stack.
  • the measuring means may comprise a measuring wheel that is mounted on a carriage that can be caused to slide radially towards and away from the stack.
  • the measuring wheel is thus mounted in the same manner as the working devices, thereby simplifying the construction.
  • means may be provided for removing grinding dust from the vertical edges of the stack.
  • These means may be in the form of a blower device that is mounted on a carriage that can be displaced radially towards and away from the stack, or they may be in the form of a brush that rotates about a vertical axis and is mounted on a carriage that can be caused to slide radially towards and away from the stack.
  • the working station according to the invention may, as mentioned, be a grinding device, but it may also be configured as a painting or varnishing device, whereby the working devices are configured with a paint or varnish applicator device, and optionally a working device provided with hardening means, such as UV lamps, for the paint or the varnish.
  • These paint or vanish applicator devices and a hardening device, if any, may be arranged in the same working station as the grinding device, but preferably, however, they are separate, as they may be arranged eg within each their dustproof enclosure.
  • the latter are subjected to grinding in the following steps: - a measuring wheel is displaced radially for abutment on the periphery of the stack, the stack is rotated one full revolution while simultaneously its peripheral geometry is registered, the measuring wheel is displaced radially away from the stack; - a first grinding cylinder that rotates in a first direction about a vertical axis is displaced radially for abutment on the vertical edges of the stack, while the stack rotates one full revolution, the first grinding cylinder is displaced radially way from the stack; - a second grinding cylinder that rotates in a second direction about a vertical axis is displaced radially for abutment on the vertical edges of the stack, while the stack rotates one full revolution, the second grinding cylinder is caused to slide radially away from the stack;
  • blower device or a rotating brush is caused to slide radially towards the vertical edges of the stack, while the stack rotates one full revolution, the blower device or the brush is caused to slide radially away from the stack.
  • FIG. 1 schematically shows a working station according to the invention in accordance with a preferred embodiment
  • Figures 2a-2d schematically show the operation of the working station shown in Figure 1 , seen from the top when the vertical edges of a stack of plate- shaped elements are subjected to grinding;
  • Figure 3 schematically shows an alternative embodiment of a working station according to the invention.
  • Figure 1 schematically shows a working station according to the invention in a preferred embodiment, wherein the working station is configured as a grinding device, wherein the grinding devices are configured with a measuring wheel 1 , two grinding cylinders 2,3 and a blower device 4.
  • Each of the working devices 1-4 is mounted on a carriage 5 that is configured to be slidable on a radially protruding bracket 6, as is outlined by the double arrows A at each carriage 5.
  • suitable means are provided, eg in the form of pneumatic cylinders, hydraulic cylinders, servomotors or other purely mechanical constructions. A person skilled in the art will be able to readily point to such means and they will not be subject to further discussion herein.
  • the brackets 6 are secured on a central unit 7, from where they project radially.
  • the central unit 7 and/or the brackets 6 is/are attached to a machine frame, not shown in further detail, that imparts to the working station the requisite strength and rigidity.
  • Such machine frame can be of any given type and a person skilled in the art will be able to readily point to such frame.
  • a roller path 8 is provided on which a stack 9 of plate-shaped elements 10, such as tabletops, shelves or other plate- shaped elements, are transported into the working station.
  • a stack 9 of plate-shaped elements 10, such as tabletops, shelves or other plate- shaped elements, are transported into the working station.
  • the stack 9 is located centrally in the working station and rests on a support 11 that is configured as a rotary table that is, in a controlled manner, able to rotate the stack 9 continuously about a vertical axis 13, as will be described below.
  • the means for rotating the stack 9 can readily be pointed to by the person skilled in the art and they will not be subject to further discussion herein.
  • a clamping device 12 is provided in the form of a scissor mechanism that clamps in the stack 9 between the support 11 and the central unit 7 of the working station.
  • the clamping device 12 can be configured in other ways than the shown scissor mechanism, as it is possible to use eg a hydraulic or pneumatic cylinder or some other kind of mechanical securing means.
  • a stack 9 of plate-shaped elements 10 are conveyed into the support 11 underneath the central unit 7 of the working station and the clamping device 12 is activated to achieve the position shown in Figure 1.
  • the measuring wheel 1 is taken for abutment on the vertical edges of the stack 9, its associated carriage 5 being caused to slide radially inwards from the position shown in Figure 1.
  • the position shown in Figure 2a is obtained.
  • the support 11 and hence the stack 9 is now caused to rotate one full revolution, while the measuring wheel 1 maintains its abutment on the periphery of the stack 9 during further displacements towards or away from the centre of the working station.
  • a registration unit not described more specifically herein such as a computer, registers and stores the detected data concerning the peripheral geometry of the stack 9, and this information is used for subsequent control of the remaining working devices of the working station.
  • the working device for measuring the peripheral geometry of the stack 9 may comprise two measuring wheels 1 located vertically above each other, whereby any deviations from the vertical plane of the vertical edges of the stack 9 can be registered.
  • the measuring wheel 1 is taken radially away from the stack 9 again.
  • the stack 9 is caused to rotate yet one full revolution, while simultaneously a rotating first grinding cylinder 2 is caused into abutment on the vertical edges of the stack 9 as shown in Figure 2b.
  • the grinding cylinder 2 is preferably of the type that is provided with protruding, flexible grinding cloths or sandpaper, whereby a high grinding effect is ensured even after protracted periods of use.
  • Sliding of the grinding cylinder 2 towards or away from the centre of the working station is, in the preferred embodiment, controlled by a (not shown) computer, since data concerning the peripheral geometry of the stack just detected is used to ensure that there is at all times an optimal grinding abutment on the vertical edges of the stack 9, irrespective of the angulation of the stack 9. As it is, these data are used in the same way for all subsequent working devices in the working station.
  • the stack 9 is caused to rotate one final revolution while simultaneously a blower unit 4 for the removal of grinding dust from the vertical edges of the stack 9 is caused to slide towards the stack 9 as shown in Figure 2d.
  • the blower device 4 may comprise a number of blow nozzles 14 as shown in Figure 1 , or it may optionally be configured as a narrow air gap.
  • the device for the removal of grinding dust may be configured as a brush that rotates about a vertical axis that is caused to abut on the vertical edges of the stack 9.
  • the stack 9 of plate-shaped elements 10 may continue along the roller path 8 for further processing.
  • This further processing may consist eg of varnishing or painting of the edges of the plate-shaped elements 10.
  • This process may take place in a working station of the same type as just described, wherein the working devices in the form of grinding cylinders and blower device are replaced by paint or varnish applicator devices and hardening devices, eg in the form of UV lamps.
  • a working station of the same type as just described, wherein the working devices in the form of grinding cylinders and blower device are replaced by paint or varnish applicator devices and hardening devices, eg in the form of UV lamps.
  • Such working station is shown in Figure 3 and operates in accordance with the same functional principles as the working station shown in Figures 1 and 2a- 2d.
  • the working station shown in Figure 3 comprises a central unit 7, from where brackets 6 project radially.
  • brackets 6 project radially.
  • a varnish applicator 15 with spray nozzles 16 and a hardening device 17 with UV lamps 18.
  • the stack 9 of plate-shaped elements 10 are again conveyed towards the working station via a roller path 8 and is located on a support 11 in the form of a rotary table that enables the stack 9 to be rotated continuously about a vertical axis 13.
  • the working station shown in Figure 3 is configured for being located immediately in extension of the working station shown in Figures 1 and 2a-2d and data concerning the peripheral geometry of the stack can therefore be reused in this working station. This is why no measuring device is provided for detecting the peripheral geometry of the stack 9.
  • the varnish applicator device 15 is first caused to slide inwards until a suitable distance from the stack 9 has been reached, following which the stack 9 is caused to rotate one full revolution while the varnish is applied by spraying via the spray nozzles 16 on the varnish applicator device 15. Now the hardening device 17 with UV lamps is caused to slide inwards until a suitable distance from the stack 9 has been reached, and the stack 9 rotates yet a full revolution. The varnishing procedure is now completed and the stack 9 may be removed for further processing, if any, of the plate-shaped elements 10.
  • the working devices (measuring wheel 1 , grinding cylinders 3,4, blower device 5, varnish applicator device 15 and hardening device 17) are suspended in brackets 6 that are secured to a central unit 7, which is in turn secured to a machine frame in a not shown manner.
  • the working devices may, however, advantageously be controlled by means of brackets 6, both at the top and at the bottom of the working station in order to obtain improved control thereof.
  • the entire working station will in practice often be built into a closed enclosure to ensure that g ⁇ nding dust and paint or varnish residue are not spread in the production premises.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Abstract

L'invention concerne un poste de travail pour travailler les bords verticaux d'une pile (9) d'éléments en plaque (10). Le poste de travail comporte un support (11) conçu pour soutenir la pile (9) et plusieurs dispositifs de travail (1, 2, 3, 4) conçus chacun pour pouvoir coulisser en va-et-vient par rapport à la pile (9). Le support (11) est conçu pour faire tourner la pile (9) autour d'un axe vertical (13), et les dispositifs de travail (1, 2, 3, 4) sont conçus pour, dans un chemin fixe, coulisser entre la position la plus à l'extérieur loin de la pile (9) et une position la plus à l'intérieur vers les bords verticaux de la pile (9) ou à proximité, quelle que soit l'angulation horizontale de la pile (9). De plus, un procédé de travail des bords verticaux d'une pile (9) d'éléments en plaque (10) au moyen dudit poste de travail, est également décrit.
PCT/DK2002/000523 2001-08-06 2002-08-05 Dispositif de travail et procede pour travailler une pile d'elements en plaque Ceased WO2003013787A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02794494A EP1423233A1 (fr) 2001-08-06 2002-08-05 Dispositif de travail et procede pour travailler une pile d'elements en plaque
US10/485,311 US20060089086A1 (en) 2001-08-06 2002-08-05 Working device and method for working a stack of plate-shaped elements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK200101180A DK200101180A (da) 2001-08-06 2001-08-06 Bearbejdningscenter og fremgangsmåde til bearbejdning af en stak af pladeformede emner.
DKPA200101180 2001-08-09

Publications (1)

Publication Number Publication Date
WO2003013787A1 true WO2003013787A1 (fr) 2003-02-20

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ID=8160653

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2002/000523 Ceased WO2003013787A1 (fr) 2001-08-06 2002-08-05 Dispositif de travail et procede pour travailler une pile d'elements en plaque

Country Status (4)

Country Link
US (1) US20060089086A1 (fr)
EP (1) EP1423233A1 (fr)
DK (1) DK200101180A (fr)
WO (1) WO2003013787A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1962189B (zh) * 2005-11-11 2010-09-29 鸿富锦精密工业（深圳）有限公司 滚圆方法
CN103302563B (zh) * 2012-03-14 2015-11-25 富泰华工业（深圳）有限公司 打磨装置及使用该打磨装置的机械手
JP2016224116A (ja) * 2015-05-27 2016-12-28 シャープ株式会社 表示パネルの製造方法
CN108136560B (zh) * 2015-10-26 2019-10-18 日立金属株式会社 压粉成型体的边缘处理装置以及压粉成型体的边缘处理方法
CN109048546B (zh) * 2018-08-31 2020-08-14 巫溪县玉帛石材有限公司 圆形石材磨边机
CN109202596A (zh) * 2018-09-30 2019-01-15 柳州市品尚木业有限公司 一种人造科技木加工设备
CN112476129A (zh) * 2020-11-26 2021-03-12 乌兰 一种半导体多规格研磨设备
CN114714187B (zh) * 2022-05-10 2023-07-11 安徽环美刷业股份有限公司 一种便于存放刷盘及其磨边设备
CN117182735A (zh) * 2023-10-07 2023-12-08 宁波远成设备制造有限公司 一种大直径椭圆塔体高精度加工设备

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB716790A (en) * 1950-09-29 1954-10-13 Rheem Mfg Co Improved method and apparatus for processing surfaces of tubular containers and other articles
GB1183753A (en) * 1967-03-30 1970-03-11 James Broadhurst And Sons Ltd Improvements in and relating to the Finishing of Articles of Clay-Ware.
US4608783A (en) * 1982-12-23 1986-09-02 Z. Bavelloni S.P.A. Feeler unit for positioning sheet glass processing tools
WO1995000287A1 (fr) * 1993-06-17 1995-01-05 Nordlamex Safety Glass Oy Procede et dispositif permettant de soutenir un outil pendant l'usinage du bord d'un materiau en feuille
EP0927773A2 (fr) * 1997-12-19 1999-07-07 United Technologies Corporation Outillage pour le positionnement des aubes d' une machine rotative
EP1034882A2 (fr) * 1999-03-11 2000-09-13 Karsten Kristiansen Dispositif pour le meulage des bords d'articles plats empilés verticalement, p.e. des plaques laminées
EP1195227A2 (fr) * 2000-10-03 2002-04-10 Karsten Kristiansen Procédé et dispositif pour le meulage des bords de produits plats empilés verticalement

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB716790A (en) * 1950-09-29 1954-10-13 Rheem Mfg Co Improved method and apparatus for processing surfaces of tubular containers and other articles
GB1183753A (en) * 1967-03-30 1970-03-11 James Broadhurst And Sons Ltd Improvements in and relating to the Finishing of Articles of Clay-Ware.
US4608783A (en) * 1982-12-23 1986-09-02 Z. Bavelloni S.P.A. Feeler unit for positioning sheet glass processing tools
WO1995000287A1 (fr) * 1993-06-17 1995-01-05 Nordlamex Safety Glass Oy Procede et dispositif permettant de soutenir un outil pendant l'usinage du bord d'un materiau en feuille
EP0927773A2 (fr) * 1997-12-19 1999-07-07 United Technologies Corporation Outillage pour le positionnement des aubes d' une machine rotative
EP1034882A2 (fr) * 1999-03-11 2000-09-13 Karsten Kristiansen Dispositif pour le meulage des bords d'articles plats empilés verticalement, p.e. des plaques laminées
EP1195227A2 (fr) * 2000-10-03 2002-04-10 Karsten Kristiansen Procédé et dispositif pour le meulage des bords de produits plats empilés verticalement

Also Published As

Publication number Publication date
EP1423233A1 (fr) 2004-06-02
US20060089086A1 (en) 2006-04-27
DK200101180A (da) 2003-02-07

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