EP2210705B1 - Einrichtung zur Bandspannung - Google Patents

Einrichtung zur Bandspannung Download PDF

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Publication number
EP2210705B1
EP2210705B1 EP10000575.0A EP10000575A EP2210705B1 EP 2210705 B1 EP2210705 B1 EP 2210705B1 EP 10000575 A EP10000575 A EP 10000575A EP 2210705 B1 EP2210705 B1 EP 2210705B1
Authority
EP
European Patent Office
Prior art keywords
double
chamber
tensioning
cylinder
piston
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.)
Not-in-force
Application number
EP10000575.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2210705A2 (de
EP2210705A3 (de
Inventor
Patrik Moser
Walter Geiger
Heinrich Schwerzmann
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.)
Steinemann Technology AG
Original Assignee
Steinemann Technology AG
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 Steinemann Technology AG filed Critical Steinemann Technology AG
Priority to PL10000575T priority Critical patent/PL2210705T3/pl
Publication of EP2210705A2 publication Critical patent/EP2210705A2/de
Publication of EP2210705A3 publication Critical patent/EP2210705A3/de
Application granted granted Critical
Publication of EP2210705B1 publication Critical patent/EP2210705B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories
    • B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
    • 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 wide-belt sanding machine for machining surfaces of particular flat, planar components, for. B. of wood or wood materials, according to the preamble of claim 1 ( DE 296 00 447 U1 ).
  • Wide grinding machines for processing surfaces of particular flat, planar components made of wood or wood-based materials, metal plates, plates made of plastic or rubber or paper webs have established themselves as an independent genus of grinding machines. They are contained in a machine stand (as used eg in the WO 00/38882 A2 the applicant is disclosed) one or more grinding heads, each with a grinding belt which endlessly revolves around a grinding roller and a tensioning roller.
  • the at least one grinding head and its drive motor is attached via a cross member on the machine stand.
  • the drive motor is attached to one end of the cross member and at the opposite end a detachable connection for the grinding head is provided.
  • a belt sander in which a tensioning wheel is permanently pressurized and / or spring loaded to vorzusparlnen the sanding belt with a selectable contact pressure.
  • contact pressures adjustable to move a tension roller against the fixed rigid work roll.
  • a tensioning device below the tensioning roller has at least one air spring and a guide device guiding the displacement.
  • the belt tension is effected by means of an eccentric actuated by a hydraulic cylinder.
  • the invention has for its object to develop a wide-belt sanding machine for machining surfaces of particular flat, planar components, the one simple and reliable clamping of an abrasive belt allows.
  • the object is solved with the features of claim 1.
  • Starr synchronized double-piston cylinders at the ends / journals of the tensioning roller are here connected crosswise to achieve a parallel adjustment of the tensioning roller with respect to the grinding roller. This makes it possible to position narrower strips on one side than the width of the roll and to tension them evenly on the clamping cylinders despite one-sided counterpressure.
  • small spring-loaded compensating pistons can be installed in the cross connections. This maintains a parallel operation of the rollers in the process, but in the cocked position a soft behavior for optimum tension.
  • the drawing shows in the Fig. 1 and 2 a schematic diagram of the inventive device in two embodiments, wherein in the Fig. 2 unlike the execution in Fig. 1 the synchronizing cylinder is installed in the piston of the clamping cylinder to save height.
  • a generic and therefore not explicitly shown wide-belt sanding machine in Fig. 3 includes a grinding roller 20 and a tension roller 21 for tensioning a Schleitbandes 19, wherein the tension roller 21 is mounted in a conventional manner at the ends / bearing pin.
  • the bearings 22 can be acted upon by adjacent double-piston cylinders 23, 24 in order to achieve an adjustable tension of the sanding belt.
  • the double piston cylinders 23, 24 each have a front chamber 25 and a rear chamber 26 for a hydraulic medium, which are separated by a disc 29 from each other.
  • the chambers 25, 26 can communicate with each other via connecting lines 27, 28, which are laid crosswise.
  • the bearings 22 of the tension roller 21 are so rigidly synchronized and can be applied equally regardless of the size of the piston pressure, resulting in a uniform belt tension.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
EP10000575.0A 2009-01-22 2010-01-21 Einrichtung zur Bandspannung Not-in-force EP2210705B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10000575T PL2210705T3 (pl) 2009-01-22 2010-01-21 Urządzenie do napinania pasa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00095/09A CH700303A2 (de) 2009-01-22 2009-01-22 Einrichtung zur Bandspannung.

Publications (3)

Publication Number Publication Date
EP2210705A2 EP2210705A2 (de) 2010-07-28
EP2210705A3 EP2210705A3 (de) 2013-04-03
EP2210705B1 true EP2210705B1 (de) 2014-12-17

Family

ID=42115398

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10000575.0A Not-in-force EP2210705B1 (de) 2009-01-22 2010-01-21 Einrichtung zur Bandspannung

Country Status (3)

Country Link
EP (1) EP2210705B1 (pl)
CH (1) CH700303A2 (pl)
PL (1) PL2210705T3 (pl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109732464A (zh) * 2019-03-08 2019-05-10 苏州亨允晟机电科技有限公司 一种专用于建筑石材和/或板材的抛光机构
CN111390719A (zh) * 2020-05-12 2020-07-10 温州光挺电子科技有限公司 一种电子标签卡回收设备

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102922396A (zh) * 2012-11-29 2013-02-13 无锡富岛精工有限公司 可伸缩支架
CN111975572B (zh) * 2020-07-30 2022-04-22 西安理工大学 一种可调接触刚度的砂带磨削机构
IT202100008375A1 (it) * 2021-04-02 2022-10-02 Biesse Spa Macchina per la finitura superficiale di pannelli di legno, metallo, plastica o simili

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2443489A1 (de) * 1974-09-11 1976-04-01 Baehre & Greten Breitbandschleifmaschine fuer platten, insbesondere holzplatten
US4262455A (en) 1978-08-24 1981-04-21 Contraves Goerz Corporation Head positioning for a belt grinder
DE3823835A1 (de) * 1988-07-14 1990-01-18 Fraunhofer Ges Forschung Bearbeitungsvorrichtung
DE29600447U1 (de) * 1996-01-12 1996-02-29 Paul Ernst Maschinenfabrik GmbH, 74927 Eschelbronn Breitbandschleifmaschine
DE19841172A1 (de) 1998-09-09 2000-03-23 Mahalek Franz Helmut Bandschleifmaschine
ATE238133T1 (de) 1998-12-24 2003-05-15 Steinemann Technology Ag Breitschleifmaschine
DE102004041364A1 (de) 2004-08-25 2006-03-02 Heesemann, Jürgen, Dipl.-Ing. Bandschleifmaschine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109732464A (zh) * 2019-03-08 2019-05-10 苏州亨允晟机电科技有限公司 一种专用于建筑石材和/或板材的抛光机构
CN111390719A (zh) * 2020-05-12 2020-07-10 温州光挺电子科技有限公司 一种电子标签卡回收设备
CN111390719B (zh) * 2020-05-12 2020-12-25 广西电网有限责任公司贺州供电局 一种电子标签卡回收设备

Also Published As

Publication number Publication date
EP2210705A2 (de) 2010-07-28
CH700303A2 (de) 2010-07-30
PL2210705T3 (pl) 2015-04-30
EP2210705A3 (de) 2013-04-03

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