EP0127760A1 - Ponceuse à bande - Google Patents

Ponceuse à bande Download PDF

Info

Publication number: EP0127760A1
Authority: EP; European Patent Office
Prior art keywords: belt; housing part; spacers; grinding machine; spacer
Prior art date: 1983-05-03
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.): Granted

Application number

EP84104749A

Other languages

German (de)

English (en)

Other versions

EP0127760B1 (fr

Inventor

Kurt Fischer

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.)

Bison Werke Baehre and Greten GmbH and Co KG

Original Assignee

Bison Werke Baehre and Greten GmbH and Co KG

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.)

1983-05-03

Filing date

1984-04-27

Publication date

1984-12-12

1984-04-27 Application filed by Bison Werke Baehre and Greten GmbH and Co KG filed Critical Bison Werke Baehre and Greten GmbH and Co KG

1984-04-27 Priority to AT84104749T priority Critical patent/ATE32573T1/de

1984-12-12 Publication of EP0127760A1 publication Critical patent/EP0127760A1/fr

1988-02-24 Application granted granted Critical

1988-02-24 Publication of EP0127760B1 publication Critical patent/EP0127760B1/fr

Status Expired legal-status Critical Current

Links

Images

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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/04—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces
- B24B21/10—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces involving a rigid member, e.g. pressure bar, table, pressing or supporting the belt over substantially its whole span
- 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
- B24B21/04—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces
- B24B21/12—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces involving a contact wheel or roller pressing the belt against the work

Definitions

the invention relates to a belt grinding machine for processing chipboard, fiber, veneer or the like - plates with an upper and a lower housing part, between which the plates to be ground can be passed, the upper housing part can be raised by a lifting device to adapt to different plate thicknesses and can be placed on both longitudinal sides of the belt grinding machine between the upper and lower housing part, spaced apart spacers for the basic thickness setting, and with at least one belt grinding unit housed in the housing parts, in which the grinding belt via a contact roller and / or a corresponding pressure beam is guided and a counter pressure roller opposite her or him and pressing the workpiece against him or him or a further contact roller opposite the contact roller with grinding belt and guiding a grinding belt is provided.
a belt grinder of this type is known from DE-PS 1 677 135.
a force accumulator is provided in this known belt grinding machine which constantly presses the counter-pressure roller in the direction of the respective pressure element and thus onto the grinding belt. This ensures that irregularities in the surface treatment are avoided even when the grinding belt swings up and down and that a constant and precise machining depth is achieved even when such vibrations occur.
a belt grinding machine with at least one belt grinding unit which has a contact roller guiding the grinding belt and / or a corresponding pressure beam and is provided with an opposing pressure roller opposite it and pressing the workpiece against it , wherein the counter-pressure roller on the side facing away from the contact roller or the pressure beam at least one backup roller is assigned, which can be pressed onto the counter-pressure roller by means of a piston-cylinder unit.
the object of the invention is to design a belt grinding machine of the type defined at the outset in such a way that, in the case of heavy as well as medium-weight and lighter frame constructions, plates of widely differing thicknesses can be processed with a high level of grinding accuracy, even if the plates supplied are relatively large Show thickness fluctuations.
each spacer is assigned a continuously height-adjustable loading element which can be acted upon by an adjustable fluid pressure medium and which can be pressed against the spacer in the lowered state of the upper housing part.
spacers it is particularly advantageous to design the spacers to be infinitely adjustable, since it is then possible, through the interaction of these infinitely adjustable spacers, with the load elements that can be acted upon with fluid pressure medium set the grinding gap so precisely that the facilities required for conventional belt grinding machines for fine adjustment of the respective contact rollers are no longer required.
At least some of the loading elements are advantageously designed in the form of a double-acting cylinder-piston unit, so that these loading elements can perform a double function in such a way that on the one hand they perform their actual function, namely the axial bracing of the spacing elements between the lower housing part and the upper housing part, and on the other hand they are used for this purpose can raise the upper housing part relative to the lower housing part to open the belt sander or to enable the adjustment of the desired grinding gap by lifting the upper housing part.
the loading element and the associated spacer are advantageously arranged directly adjacent to one another and distributed over the length of the belt grinding machine in such a way that a deformation-free bracing of the lower housing part and upper housing part is ensured.
each spacer consists of a screw spindle with an associated fixed stop, the screw spindle, which can be actuated by hand or via an actuator, being guided in a threaded block provided on one housing part and engaging in a support sleeve fastened to the other housing part.
the spacers are coupled via an actuating device and jointly adjustable, whereby at least one spacer can be assigned a position transmitter which always provides exact information about the clear width of the grinding gap, which is predetermined by the spacers.
a pressure limiting device which can consist, for example, of at least one pressure relief valve, ensures that the pressure limiting device responds in the event of a thickness deviation that is too great in relation to the specified target thickness of the respective plate and suddenly reduces the clamping pressure of the loading elements, so that there is a risk of damage for the sanding belt units.
spacers and load elements are designed as an integral unit, the preferably continuously adjustable part of the spacer preferably consisting of a support sleeve screwed to the cylinder of the cylinder-piston unit, which with a fixed stop surrounding the piston of the cylinder-piston unit on the Cylinder of the cylinder-piston unit cooperating opposite housing part.
This compact design simplifies assembly and makes it easier to arrange the spacer and load unit within the machine at the optimal positions.
the invention is explained below using an exemplary embodiment with reference to the drawing.
the single figure of the drawing shows a schematic side view of an embodiment of the belt grinder according to the invention.
the belt grinder comprises an upper housing part 1 and a lower housing part 2, in which carrier units 3 are held opposite one another by means of releasable locks 11.
carrier units 3 are components of belt grinding units 5 which - as shown in the drawing - are directly opposite one another, but also in the direction of travel of the plates to be ground can be staggered.
Each belt sanding unit 5 comprises a sanding belt 6 guided over a contact roller 7 and optionally over a pressure bar 8, wherein in the exemplary embodiment shown the counter-pressure roller required in each case is also formed by a contact roller wrapped by a sanding belt, or by a contact roller and a pressure bar.
tensioning rollers are preferably pivoted axially in short time intervals, so that lateral belt control is ensured.
a plurality of spacers 4 are provided on both sides of the plate path, each of these spacers 4 being assigned a load element 10.
At least the load elements 10 on the machine input side and on the machine output side are designed in the form of double-acting cylinder-piston units and at the same time serve as a lifting device for lifting the upper housing part 1 relative to the lower housing part 2.
the spacers 4 are infinitely adjustable and consist of a screw spindle 13, the actuator, e.g. Handwheel, not shown in the drawing, and a fixed stop 12.
the screw spindle 13 is guided in a threaded block provided on the lower housing part 2 and engages in a support sleeve 12 attached to the upper housing part 1.
the load elements designed as cylinder-piston units can be pressurized pneumatically or hydraulically with preselectable pressures, so that a simple pressure control a lifting, lowering and tensioning of the upper housing part 1 with respect to the lower housing part 2 with the interposition of the precisely adjustable spacers can be carried out. Due to the adjustment accuracy of the spacers 4 and the mutual clamping of the upper and lower housing parts, which can be predetermined over the machine length, not only a rough adjustment of the grinding gap, but even the required fine adjustment of the grinding gap can be achieved via the spacers 4 and the load elements 10, so that additional fine adjustment means can be achieved the belt grinding units 5 can be omitted.
a significant advantage of the interaction of precisely adjustable spacers and pneumatically or hydraulically actuated cylinder-piston units for axially loading the spacers is that the clamping force exerted by the cylinder-piston units can be selected depending on the respective operating conditions and that it is also possible to Eliminate the risk of damage to the sanding belt units from sudden fluctuations in the thickness of the plates to be sanded by immediately lowering the fluid pressure when such large thickness fluctuations occur, thereby enabling the belt sanding units 5 to move vertically.
the stopping of the belt grinder can also be controlled as a function of the pressure increase in the fluid feed system. Since the pressure rise in the fluid feed system resulting from an impermissible thickness deviation is already noticed before the disturbing thickness deviation reaches the first belt grinding unit, it is ensured that even a brief overload of the belt grinding units is avoided and any risk of damage can thus be eliminated.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Massaging Devices (AREA)

EP84104749A 1983-05-03 1984-04-27 Ponceuse à bande Expired EP0127760B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT84104749T ATE32573T1 (de)	1983-05-03	1984-04-27	Bandschleifmaschine.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3316154A DE3316154C2 (de)	1983-05-03	1983-05-03	Bandschleifmaschine
DE3316154		1983-05-03

Publications (2)

Publication Number	Publication Date
EP0127760A1 true EP0127760A1 (fr)	1984-12-12
EP0127760B1 EP0127760B1 (fr)	1988-02-24

Family

ID=6198049

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP84104749A Expired EP0127760B1 (fr)	1983-05-03	1984-04-27	Ponceuse à bande

Country Status (4)

Country	Link
US (1)	US4546572A (fr)
EP (1)	EP0127760B1 (fr)
AT (1)	ATE32573T1 (fr)
DE (2)	DE3316154C2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4414958C1 (de) *	1994-04-28	1995-11-02	Baehre & Greten	Bandschleifmaschine
DE19915909A1 (de) *	1998-12-11	2000-06-21	Steinemann Ag St Gallen	Verfahren zur Steuerung des Schleifprozesses sowie Rechnersteuerung für Breitschleifmaschine
EP2213414A3 (fr) *	2009-02-02	2013-04-10	Steinemann Technology AG	Meuleuse large
CN108972254A (zh) *	2018-07-25	2018-12-11	周佩龙	一种金属表面除锈防锈处理装置
EP4321297A1 (fr) *	2022-08-08	2024-02-14	SCM Group S.p.A.	Machine d'usinage de panneaux

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE8707974U1 (de) *	1987-06-04	1987-08-13	Weber, Georg, 8640 Kronach	Bandschleifmaschine
DE4028740C2 (de) *	1990-09-10	2003-04-10	Kvaerner Panel Sys Gmbh	Zentriervorrichtung für Bandschleifmaschinen
FR2673563B1 (fr) *	1991-03-08	1993-06-11	Skid Sa	Appareil a poncer les skis.
US5399307A (en) *	1993-06-18	1995-03-21	Dalton; Robert E.	Methods of compression molding two or more polytetrafluoroethylene resin layers
JP3073769U (ja) *	2000-06-02	2000-12-08	株式会社ジェイ・ボックス	コインの洗浄研磨装置
US6769958B1 (en) *	2002-08-21	2004-08-03	Howard W. Grivna	Material removal monitor
US6913512B2 (en) *	2002-08-21	2005-07-05	Howard W. Grivna	Material removal monitor
US9108293B2 (en) *	2012-07-30	2015-08-18	Rohm And Haas Electronic Materials Cmp Holdings, Inc.	Method for chemical mechanical polishing layer pretexturing
CN104249285A (zh) *	2013-06-25	2014-12-31	苏州意玛斯砂光设备有限公司	一种斜置精抛砂光头的砂光机
CN104249291A (zh) *	2013-06-25	2014-12-31	苏州意玛斯砂光设备有限公司	一种砂光机高精度升降机构
CN106002526B (zh) *	2016-07-07	2018-08-24	重庆明友钢具制造有限公司	一种双面去毛刺及抛光一体机
CN106180895A (zh) *	2016-07-07	2016-12-07	重庆明友钢具制造有限公司	手把锯片锯齿加工工艺
CN111761385B (zh) *	2020-08-06	2021-07-20	广东技术师范大学	一种铝塑板自动加工装置以及加工方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1815858A1 (de) *	1967-12-29	1969-07-10	Steinemann Ulrich Ag	Bandschleifmaschine fuer den Zuschliff von plattenfoermigen Werkstuecken
DE2031717A1 (de) *	1969-09-25	1971-04-15	Timesavers Sanders, Ine , Mmneapo lis, Minn (VStA)	Bandschleifmaschine
DE7430601U (de) *		1974-12-12	Bison Werke Baehre Und Greten Gmbh & Co Kg	Breitbandschleifmaschine für Platten, insbesondere Holzplatten
DE2549323A1 (de) *	1975-11-04	1977-05-05	Wehner Maschf	Breitbandschleifmaschine
DE2315389B2 (de) *	1973-03-28	1980-10-09	Karl M. Reich, Maschinenfabrik Gmbh, 7440 Nuertingen	Maschine zum Bearbeiten von plattenförmigen Werkstücken aus Holz o.dgl
DE3041377C2 (de) *	1980-11-03	1982-12-30	Bison-Werke Bähre & Greten GmbH & Co KG, 3257 Springe	Breitbandschleifmaschine zum Bearbeiten von Span-, Faser-, Furnier- o.dgl. Platten

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2463750A (en) *	1946-04-12	1949-03-08	George M Curtin	Grinding apparatus
US2895263A (en) *	1955-10-26	1959-07-21	Seiberling Rubber Co	Method and apparatus for buffing shoe soles
US3169352A (en) *	1961-06-26	1965-02-16	Smithway Sales Corp	Panel sanding machine
US3269065A (en) *	1963-12-23	1966-08-30	Charles R Tidland	Sanding apparatus
US3859760A (en) *	1972-12-21	1975-01-14	Paul E Grieb	Control system for grinding machine
US3895464A (en) *	1974-04-22	1975-07-22	Timesavers Inc	Lumber dressing and dimensioning machine
US3991522A (en) *	1975-05-05	1976-11-16	Aladdin Manufacturing Company	Apparatus for sharpening rotary blades
US4248019A (en) *	1977-11-28	1981-02-03	Western Gear Corporation	Workpiece conditioning grinder control system
US4178721A (en) *	1977-12-28	1979-12-18	Kimwood Corporation	Apparatus for sizing and finishing batches of lumber
US4322919A (en) *	1980-06-27	1982-04-06	Acrometal Products, Inc.	Self-centering feed mechanism for an abrasive grinding machine

1983
- 1983-05-03 DE DE3316154A patent/DE3316154C2/de not_active Expired
1984
- 1984-04-25 US US06/603,727 patent/US4546572A/en not_active Expired - Fee Related
- 1984-04-27 AT AT84104749T patent/ATE32573T1/de not_active IP Right Cessation
- 1984-04-27 EP EP84104749A patent/EP0127760B1/fr not_active Expired
- 1984-04-27 DE DE8484104749T patent/DE3469415D1/de not_active Expired

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE7430601U (de) *		1974-12-12	Bison Werke Baehre Und Greten Gmbh & Co Kg	Breitbandschleifmaschine für Platten, insbesondere Holzplatten
DE1815858A1 (de) *	1967-12-29	1969-07-10	Steinemann Ulrich Ag	Bandschleifmaschine fuer den Zuschliff von plattenfoermigen Werkstuecken
DE2031717A1 (de) *	1969-09-25	1971-04-15	Timesavers Sanders, Ine , Mmneapo lis, Minn (VStA)	Bandschleifmaschine
DE2315389B2 (de) *	1973-03-28	1980-10-09	Karl M. Reich, Maschinenfabrik Gmbh, 7440 Nuertingen	Maschine zum Bearbeiten von plattenförmigen Werkstücken aus Holz o.dgl
DE2549323A1 (de) *	1975-11-04	1977-05-05	Wehner Maschf	Breitbandschleifmaschine
DE3041377C2 (de) *	1980-11-03	1982-12-30	Bison-Werke Bähre & Greten GmbH & Co KG, 3257 Springe	Breitbandschleifmaschine zum Bearbeiten von Span-, Faser-, Furnier- o.dgl. Platten

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4414958C1 (de) *	1994-04-28	1995-11-02	Baehre & Greten	Bandschleifmaschine
DE19915909A1 (de) *	1998-12-11	2000-06-21	Steinemann Ag St Gallen	Verfahren zur Steuerung des Schleifprozesses sowie Rechnersteuerung für Breitschleifmaschine
DE19915909C2 (de) *	1998-12-11	2003-05-28	Steinemann Technology Ag St Ga	Verfahren zur Steuerung des Schleifprozesses sowie Rechnersteuerung für Breitschleifmaschine
EP2213414A3 (fr) *	2009-02-02	2013-04-10	Steinemann Technology AG	Meuleuse large
CN108972254A (zh) *	2018-07-25	2018-12-11	周佩龙	一种金属表面除锈防锈处理装置
EP4321297A1 (fr) *	2022-08-08	2024-02-14	SCM Group S.p.A.	Machine d'usinage de panneaux

Also Published As

Publication number	Publication date
EP0127760B1 (fr)	1988-02-24
DE3316154A1 (de)	1984-11-08
DE3469415D1 (en)	1988-03-31
DE3316154C2 (de)	1986-06-19
US4546572A (en)	1985-10-15
ATE32573T1 (de)	1988-03-15

Legal Events

Date	Code	Title	Description
1984-10-15	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1984-12-12	AK	Designated contracting states	Designated state(s): AT BE CH DE FR GB IT LI NL SE
1985-08-07	17P	Request for examination filed	Effective date: 19850522
1986-10-15	17Q	First examination report despatched	Effective date: 19860829
1987-12-18	ITF	It: translation for a ep patent filed	Owner name: BARZANO' E ZANARDO MILANO S.P.A.
1988-01-09	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1988-02-24	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): AT BE CH DE FR GB IT LI NL SE
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1988-04-08	ET	Fr: translation filed
1988-06-15	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1988-12-22	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1988-12-22	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1989-02-08	26N	No opposition filed
1989-04-20	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: SE Payment date: 19890420 Year of fee payment: 6
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1991-01-02	GBPC	Gb: european patent ceased through non-payment of renewal fee
1991-04-19	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19910419 Year of fee payment: 8
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Publication	Publication Date	Title
EP0127760B1 (fr)	1988-02-24	Ponceuse à bande
DE10043557B4 (de)	2015-02-12	Gleitteilneigungskorrekturvorrichtung in einer Pressmaschine
DE2115217A1 (de)	1972-01-13	Lagerung fur an doppelten Gleitfuhrun gen verschiebbare Maschinenteile mit in den Lagerflachen angeordneten, druckmittelbe aufschlagten Gleitplatten und einem oder mehreren, den Beaufschlagungsdruck steu ernden Druckfuhlern
EP0124802A2 (fr)	1984-11-14	Machines pour travailler plusieurs faces de la pièce simultanément
DE4028740C2 (de)	2003-04-10	Zentriervorrichtung für Bandschleifmaschinen
DE1910879C3 (de)	1978-12-07	Richtmaschine für langgestreckte Werkstücke runden Querschnitts
DE3015874A1 (de)	1980-11-06	Bandschleifmaschine
DE2038232C3 (de)	1973-11-29	Werkstuckaufspanntisch fur schwere Werkstucke, insbesondere an Waagerecht Bohr und Fraswerken
DE3041377C2 (de)	1982-12-30	Breitbandschleifmaschine zum Bearbeiten von Span-, Faser-, Furnier- o.dgl. Platten
DE3245124A1 (de)	1983-06-16	Daempfungsvorrichtung fuer einen werkzeugmaschinenschlitten
DD256612A3 (de)	1988-05-18	Druckbalken fuer langbandschleifmaschine
DE1752346A1 (de)	1971-11-04	Bombiervorrichtung fuer Abkantpressen
DE8313080U1 (de)	1984-10-11	Bandschleifmaschine
DE3835010C2 (fr)	1991-10-10
DE1286379B (de)	1969-01-02	Brammen-Fraesmaschine
DE2635473A1 (de)	1978-02-09	Schleifbandumlenkung fuer querbandschleifmaschinen
AT405034B (de)	1999-04-26	Verfahren zum automatischen polieren von flachkanten an platten aus marmor, naturstein, granit od.dgl. und automatische poliermaschine zur durchführung dieses verfahrens
DE2851384C2 (fr)	1987-06-04
DE2440688B2 (de)	1979-03-29	Vorrichtung zur Steuerung der im Spalt zwischen zwei zusammenwirkenden Walzen auf eine durchlaufende Bahn ausgeübten Druckkraft
DE2533153A1 (de)	1977-01-27	Niederhaltervorrichtung fuer eine hydraulisch angetriebene schere
DE102006053420C5 (de)	2017-04-27	Bandschleifmaschine
DE641584C (de)	1937-02-05	Vorrichtung zum Schleifen der Kanten von Ofenkacheln
DE4116746A1 (de)	1992-02-13	Steuerbarer druckbalken zum schleifen plattenfoermiger werkstuecke
DE2221243C2 (de)	1982-06-16	Führungselement für Schlitten von Werkzeugmaschinen
DE9012909U1 (de)	1990-11-15	Zentriervorrichtung für Bandschleifmaschinen