EP0193789B1 - Method for round-cornering plane rectangular panes - Google Patents
Method for round-cornering plane rectangular panes Download PDFInfo
- Publication number
- EP0193789B1 EP0193789B1 EP86102102A EP86102102A EP0193789B1 EP 0193789 B1 EP0193789 B1 EP 0193789B1 EP 86102102 A EP86102102 A EP 86102102A EP 86102102 A EP86102102 A EP 86102102A EP 0193789 B1 EP0193789 B1 EP 0193789B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plates
- guided
- transporting
- belt
- transporting belt
- 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.)
- Expired - Lifetime
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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
- B24B9/02—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
- B24B9/06—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 non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—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 non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/10—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 non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
- B24B9/102—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 non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass for travelling sheets
Definitions
- the invention relates to a method for corner bumping of flat, rectangular disks made of brittle material such as glass or glass ceramic, in which the disks are held and transported in a horizontal position on conveyor belts and grinding disks are guided around the corners of the disks to be butted during transportation.
- Corner butting methods are used to chamfer the sharp-edged corners of glass or glass ceramic panes.
- the disks are transported on two narrow transport belts, which generally have a width of 15 mm each.
- the discs are transported to the corner bumping device, which is also moved during the machining process.
- two grinding discs rotating around a vertical axis one on each side next to the transport belt, are moved inwards towards each other in front of the disc to be processed , then placed on the pane and led around the two front corners to be butted.
- the two grinding wheels are then guided to the corners at the rear in the direction of transport, placed against the corners to be machined and guided inwards around the corners. The grinding wheels remain in this position until the next wheel enters the corner jointing device.
- This method has the disadvantage that only plates with a minimum width, essentially due to the width of the conveyor belt and the space required for the grinding wheels is fixed, can be edited. In the case of the 15 mm wide transport belts, the pulley must be at least 90 mm wide.
- Narrow disks do not protrude sufficiently or not at all on both sides of the conveyor belts, so that the conveyor belts are damaged by the grinding disks, the diameter of which cannot be chosen to be as small as desired.
- panes were rotated before the corners were pushed so that the longitudinal axis of the pane forms an angle of 90 ° with the transport direction.
- the prerequisite is that these disks have a minimum length in order to be able to protrude sufficiently on both sides of the conveyor belts.
- the aim of the present invention is therefore a method for corner bumping, in which rotation of the panes is avoided, the panes are precisely positioned and conventional corner bumpers can be used.
- This goal is achieved with a method for corner bumping, in which, for corner bumping of narrow panes, these panes are first guided clamped on a wide conveyor belt in a first position in which the panes are offset to one side with respect to the center line of the conveyor belt, whereby A narrow auxiliary transport belt is guided on each side of the transport belt, in this first position the two outer corners of the discs are pushed, whereupon the discs are removed to a second position after removal of the clamping and then guided in this position in which the discs offset to the outside with respect to the center line of the conveyor belt and, in this second position, the two remaining corners are pushed.
- the narrow auxiliary conveyor belts are preferably guided at the same height as the wide conveyor belt if the disks are not clamped. After clamping, the auxiliary conveyor belts are moved downwards so that they do not restrict the mobility of the grinding wheels.
- the extremely narrow disc 2 lying on the wide transport belt 1 is shifted to the right by means of the slider 3 until the disc 2 lies against the stop 4 with its longitudinal edge (first positioning).
- the stop 4 generally consists of several roles. Depending on the width of the disc 2, the slider 3 is guided more or less far over the conveyor belt 1.
- a narrow auxiliary transport belt 5 is guided at the same height as the transport belt 1.
- the disc is transported to section B.
- the pulley is clamped by means of the belt 11 (FIG. 2), which is moved at the same speed as the transport belt.
- the auxiliary conveyor belt 5 is guided downward.
- the disc So fixed on the conveyor belt 1, the disc is transported into the corner bumping device, where a grinding wheel 6 is first passed around the front right corner to be bumped and then around the rear right corner, the corners being bumped in the desired manner.
- a second narrow auxiliary conveyor belt 9 supports the pulley 2. After clamping, in process section D, corner bumping is carried out by means of a second grinding wheel 10 in the same way as in section B. Because the wheels lie with their longitudinal edges against the stops 4, 8, the wheels are always precisely aligned.
- the guidance of the various belts is shown in FIG.
- the auxiliary transport belts 5, 9 are guided in sections A and C, where the pulley is positioned, at the same height as the transport belt 1.
- sections B and D where the corner bumping takes place and the plate 2 is fixed on the wide transport belt 1 by means of the clamping belt 11, the auxiliary transport belts 5, 9 are guided downwards in order not to restrict the mobility of the grinding wheels.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Eckenstoßen von planen, rechteckigen Scheiben aus sprödem Material wie Glas oder Glaskeramik, bei welchem die Scheiben auf Transportriemen in horizontaler Lage festgehalten und transportiert werden und Schleifscheiben während des Transports um die zu stoßenden Ecken der Scheiben herumgeführt werden.The invention relates to a method for corner bumping of flat, rectangular disks made of brittle material such as glass or glass ceramic, in which the disks are held and transported in a horizontal position on conveyor belts and grinding disks are guided around the corners of the disks to be butted during transportation.
Verfahren zum Eckenstoßen werden eingesetzt, um die scharfkantigen Ecken von Glas- oder Glaskeramikscheiben abzuschrägen.Corner butting methods are used to chamfer the sharp-edged corners of glass or glass ceramic panes.
Bei den bekannten Verfahren zum Eckenstoßen werden die Scheiben auf zwei schmalen Transportriemen befördert, die im allgemeinen eine Breite von jeweils 15 mm aufweisen. Auf diesen Transportriemen werden die Scheiben zur Eckenstoßvorrichtung transportiert, die während des Bearbeitungsvorgangs mitbewegt wird Beim Einlaufen in die Eckenstoßvorrichtung werden zwei um eine vertikale Achse rotierende Schleifscheiben, wovon je eine auf jeder Seite neben den Transportriemen angeordnet ist, vor der zu bearbeitenden Scheibe einwärts aufeinander zubewegt, anschließend an die Scheibe angelegt und um die beiden vorderen zu stoßenden Ecken herumgeführt. Danach werden die beiden Schleifscheiben zu den in Transportrichtung hinteren Ecken geführt, an die zu bearbeitenden Ecken angelegt und um die Ecken herum nach innen geführt In dieser Position verbleiben die Schleifscheiben, bis die nächste Scheibe in die Eckenstoßvorrichtung einläuft.In the known methods for corner bumping, the disks are transported on two narrow transport belts, which generally have a width of 15 mm each. On these transport belts, the discs are transported to the corner bumping device, which is also moved during the machining process.When entering the corner bumping device, two grinding discs rotating around a vertical axis, one on each side next to the transport belt, are moved inwards towards each other in front of the disc to be processed , then placed on the pane and led around the two front corners to be butted. The two grinding wheels are then guided to the corners at the rear in the direction of transport, placed against the corners to be machined and guided inwards around the corners. The grinding wheels remain in this position until the next wheel enters the corner jointing device.
Dieses Verfahren hat den Nachteil, daß nur Platten mit einer Mindestbreite, die im wesentlichen durch die Breite der Transportriemen und den Platzbedarf der Schleifscheiben festgelegt ist, bearbeitet werden können. Im Falle der 15 mm breiten Transportriemen muß die Scheibe mindestens 90 mm breit sein.This method has the disadvantage that only plates with a minimum width, essentially due to the width of the conveyor belt and the space required for the grinding wheels is fixed, can be edited. In the case of the 15 mm wide transport belts, the pulley must be at least 90 mm wide.
Schmalere Scheiben stehen auf beiden Seiten der Transportriemen nicht genügend oder gar nicht über, so daß die Transportriemen durch die Schleifscheiben, deren Durchmesser nicht beliebig klein gewählt werden kann, beschädigt werden.Narrow disks do not protrude sufficiently or not at all on both sides of the conveyor belts, so that the conveyor belts are damaged by the grinding disks, the diameter of which cannot be chosen to be as small as desired.
Um auch schmalere Scheiben bearbeiten zu können, wurden die Scheiben vor dem Eckenstoßen gedreht, so daß die Längsachse der Scheibe mit der Transportrichtung einen Winkel von 90° bildet. Voraussetzung ist jedoch, daß diese Scheiben eine Mindestlänge aufweisen, um ausreichend auf beiden Seiten der Transportriemen überzustehen.In order to be able to machine narrower panes, the panes were rotated before the corners were pushed so that the longitudinal axis of the pane forms an angle of 90 ° with the transport direction. The prerequisite, however, is that these disks have a minimum length in order to be able to protrude sufficiently on both sides of the conveyor belts.
Dieses Verfahren hat jedoch den Nachteil, daß eine exakte Ausrichtung der Scheiben nicht möglich ist, weil die Scheiben bei der Positionierung nur mit den Schmalseiten an den Anschlägen anliegen.However, this method has the disadvantage that an exact alignment of the disks is not possible because the disks only rest against the stops with the narrow sides during positioning.
Ziel der vorliegenden Erfindung ist daher ein Verfahren zum Eckenstoßen, bei dem eine Drehung der Scheiben vermieden wird, die Scheiben exakt positioniert werden und herkömmliche Eckenstoßvorrichtungen verwendet werden können.The aim of the present invention is therefore a method for corner bumping, in which rotation of the panes is avoided, the panes are precisely positioned and conventional corner bumpers can be used.
Dieses Ziel wird mit einem Verfahren zum Eckenstoßen erreicht, bei dem zum Eckenstoßen von schmalen Scheiben diese Scheiben auf einem breiten Transportriemen zunächst in einer ersten Position geklemmt geführt werden, in der die Scheiben bezüglich der Mittellinie des Transportriemens nach einer Seite nach außen versetzt sind, wobei auf jeder Seite des Transportriemens je ein Schmaler Hilfstransporttiemen geführt wird, in dieser ersten Position die beiden außenliegenden Ecken der Scheiben gestoßen werden, worauf die Scheiben nach Wegnahme der Klemmung in eine zweite Position gebracht und dann in dieser Position geklemmt geführt werden, in welcher die Scheiben bezüglich der Mittellinie des Transportriemens nach der anderen Seite nach außen versetzt sind, und bei dem in dieser zweiten Position die beiden übrigen Ecken gestoßen werden.This goal is achieved with a method for corner bumping, in which, for corner bumping of narrow panes, these panes are first guided clamped on a wide conveyor belt in a first position in which the panes are offset to one side with respect to the center line of the conveyor belt, whereby A narrow auxiliary transport belt is guided on each side of the transport belt, in this first position the two outer corners of the discs are pushed, whereupon the discs are removed to a second position after removal of the clamping and then guided in this position in which the discs offset to the outside with respect to the center line of the conveyor belt and, in this second position, the two remaining corners are pushed.
Bevorzugt werden die schmalen Hilfstransportriemen auf gleicher Höhe geführt wie der breite Transportriemen, wenn die Scheiben nicht geklemmt werden. Nach erfolgter Klemmung werden die Hilfstransportriemen nach unten weggeführt, damit sie die Beweglichkeit der Schleifscheiben nicht einschränken.The narrow auxiliary conveyor belts are preferably guided at the same height as the wide conveyor belt if the disks are not clamped. After clamping, the auxiliary conveyor belts are moved downwards so that they do not restrict the mobility of the grinding wheels.
Eine beispielhafte Ausführungsform der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert.An exemplary embodiment of the invention is explained in more detail below with reference to the drawing.
Es zeigen:
Figur 1- eine schematische Darstellung des erfindungsgemäßen Verfahrens (Draufsicht),
Figur 2- eine seitliche Ansicht der Anordnung von Transport-, Klemm- und Hilfstransportriemen.
- Figure 1
- 2 shows a schematic representation of the method according to the invention (top view),
- Figure 2
- a side view of the arrangement of transport, clamping and auxiliary transport belts.
In Figur 1 ist das erfindungsgemäße Verfahren in vier Abschnitte A bis D unterteilt.In Figure 1, the inventive method is divided into four sections A to D.
Im Verfahrensabschnitt A wird die auf dem breiten Transportriemen 1 liegende extrem schmale Scheibe 2 mittels des Schiebers 3 soweit nach rechts verschoben, bis die Scheibe 2 mit ihrer Längskante an dem Anschlag 4 anliegt (erste Positionierung). Der Anschlag 4 besteht im allgemeinen aus mehreren Rollen. Je nach Breite der Scheibe 2 wird der Schieber 3 mehr oder weniger weit über den Transportriemen 1 geführt.In process section A, the extremely
Zur Abstützung der Scheibe 2 wird auf gleicher Höhe wie der Transportriemen 1 ein schmaler Hilfstransportriemen 5 geführt.To support the
Nach dieser Ausrichtung wird die Scheibe zum Abschnitt B transportiert. Gleichzeitig erfolgt mittels des Riemens 11 (Fig. 2), der mit gleicher Geschwindigkeit wie der Transportriemen bewegt wird, eine Klemmung der Scheibe. Außerdem wird der Hilfstransportriemen 5 nach unten weggeführt.After this alignment, the disc is transported to section B. At the same time, the pulley is clamped by means of the belt 11 (FIG. 2), which is moved at the same speed as the transport belt. In addition, the
So auf dem Transportriemen 1 fixiert wird die Scheibe in die Eckenstoßvorrichtung transportiert, wo eine Schleifscheibe 6 zunächst um die vordere zu stoßende rechte Ecke und anschließend um die hintere rechte Ecke geführt wird, wobei die Ecken in der gewünschten Art und Weise gestoßen werden.So fixed on the
Danach wird die Klemmung mittels des Klemmriemens 11 weggenommen und die Scheibe wird mittels des zweiten Schiebers 7 soweit nach links verschoben, bis die Scheibe an dem Anschlag 8 anliegt (2. Position).Then the clamping is removed by means of the
Ein zweiter schmaler Hilfstransportriemen 9 stützt hierbei die Scheibe 2 ab. Nach der Klemmung erfolgt im Verfahrensabschnitt D das Eckenstoßen mittels einer zweiten Schleifscheibe 10 auf gleiche Weise wie im Abschnitt B. Dadurch, daß die Scheiben mit ihrer Längskante an den Anschlägen 4, 8 anliegen, erfolgt immer eine exakte Ausrichtung der Scheiben.A second narrow
In Figur 2 ist die Führung der verschiedenen Riemen dargestellt. Die Hilfstransportriemen 5, 9 werden in den Abschnitten A und C, wo die Scheibe positioniert wird, auf gleicher Höhe wie der Transportriemen 1 geführt. In den Abschnitten B und D, wo das Eckenstoßen erfolgt und die Platte 2 mittels des Klemmriemens 11 auf dem breiten Transportriemen 1 fixiert wird, werden die Hilfstransportriemen 5, 9 nach unten weggeführt, um nicht die Beweglichkeit der Schleifscheiben einzuschränken.The guidance of the various belts is shown in FIG. The
Bei einer Umstellung des Bearbeitungsverfahrens auf breite Scheiben, die einen ausreichenden seitlichen Überstand aufweisen, wird die gesamte Vorrichtung mit den Abschnitten A bis D seitlich aus der Bearbeitungsstraße herausgeschoben und durch herkömmliche Transportriemen ersetzt.When the processing method is switched to wide disks which have sufficient lateral protrusion, the entire device with the sections A to D is pushed out of the processing line laterally and replaced by conventional conveyor belts.
Claims (4)
- Process for corner-rounding plane rectangular plates of brittle material such as glass or glass ceramic, in which the plates are securely held in the horizontal position on transporting belts and transported, and grinding plates are guided during transporting round the corners of the plates to be rounded, characterized in that for corner-rounding narrow plates, these plates (2) are first guided on a wide transporting belt (1), clamped in a first position in which the plates are offset outwards to one side with respect to the centre line of the transporting belt, on each side of the transporting belt (1) a respective narrow auxiliary transporting belt (5 and 9) being guided, and in that in this first position the two outer corners of the plates are rounded, whereupon the plates are brought into a second position on removing the clamping means and are then guided clamped in this position in which the plates are offset outwards to the other side with respect to the centre line of the transporting belt (1), and in that in this second position the two remaining corners are rounded.
- Process according to Claim 1, characterized in that these narrow auxiliary transporting belts (5 and 9) are only guided at the same height as the wide transporting belt when the plates are guided unclamped on the wide transporting belt.
- Process according to Claim 1 or 2, characterized in that the plates (2) are displaced by means of sliders (3 and 7) which are movable perpendicular to the transporting direction of the transporting belt (1) far enough so that the longitudinal edge, corresponding to the respective corners to be machined, of the plates (2) bears against positive stops (4, 8), before the plates (2) are guided in the first or second clamping position on the transporting belt (1).
- Process according to one of Claims 1 to 3, characterized in that the plates are clamped by means of a clamping belt (11) guided above the transporting belt (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86102102T ATE70485T1 (en) | 1985-02-27 | 1986-02-18 | PROCESS FOR CORNER BANDING OF TARPAULIN, RECTANGULAR PANES. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3506877 | 1985-02-27 | ||
DE3506877A DE3506877C2 (en) | 1985-02-27 | 1985-02-27 | Machine for corner grinding of flat, rectangular discs |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0193789A2 EP0193789A2 (en) | 1986-09-10 |
EP0193789A3 EP0193789A3 (en) | 1989-03-01 |
EP0193789B1 true EP0193789B1 (en) | 1991-12-18 |
Family
ID=6263685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86102102A Expired - Lifetime EP0193789B1 (en) | 1985-02-27 | 1986-02-18 | Method for round-cornering plane rectangular panes |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0193789B1 (en) |
AT (1) | ATE70485T1 (en) |
DE (1) | DE3506877C2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101354620B1 (en) * | 2012-08-20 | 2014-01-22 | 배석근 | The apparatus for cutting the a corner of the panel |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19650878C1 (en) * | 1996-12-07 | 1998-07-30 | Richter Hans | Method for regulating the movements of at least one drive element of an industrial robot |
DE19754186A1 (en) * | 1997-12-06 | 1999-06-10 | Torgauer Maschinenbau Gmbh | Method for grinding edges of rectangular glass panes |
EP1034882A3 (en) * | 1999-03-11 | 2002-07-10 | Karsten Kristiansen | An apparatus for edge grinding plate-like articles in a vertical stack, e.g. laminboards |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE214096C (en) * | ||||
US2560740A (en) * | 1948-02-09 | 1951-07-17 | Tom E Pillow | Edging and polishing machine |
US2792859A (en) * | 1953-07-28 | 1957-05-21 | Union Bag Camp Paper Corp | Apparatus for end-matching lumber |
US2966013A (en) * | 1959-07-24 | 1960-12-27 | Pittsburgh Plate Glass Co | Edge seaming apparatus |
DE2054807A1 (en) * | 1970-11-07 | 1972-05-10 | Dimter, Erwin, 7918 Illertissen | End processing machine |
DE2221464C3 (en) * | 1972-05-02 | 1980-12-18 | Bielefelder-Union Bruno Koch, 4800 Bielefeld | Grinding machine for processing the edges of glass plates |
IT1137049B (en) * | 1981-06-11 | 1986-09-03 | Bovone Elettromecc | IMPROVEMENTS IN OR RELATED TO THE BEVELING MACHINES, PARTICULARLY FOR GLASS SLABS |
-
1985
- 1985-02-27 DE DE3506877A patent/DE3506877C2/en not_active Expired
-
1986
- 1986-02-18 EP EP86102102A patent/EP0193789B1/en not_active Expired - Lifetime
- 1986-02-18 AT AT86102102T patent/ATE70485T1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101354620B1 (en) * | 2012-08-20 | 2014-01-22 | 배석근 | The apparatus for cutting the a corner of the panel |
Also Published As
Publication number | Publication date |
---|---|
EP0193789A2 (en) | 1986-09-10 |
DE3506877C2 (en) | 1987-02-12 |
DE3506877A1 (en) | 1986-08-28 |
EP0193789A3 (en) | 1989-03-01 |
ATE70485T1 (en) | 1992-01-15 |
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