EP1552903B1 - Bandschleifmaschine, vorzugsweise für die Kombination mit einem Vorsatzgerät für das Ausschleifen von Rohrenden - Google Patents

Bandschleifmaschine, vorzugsweise für die Kombination mit einem Vorsatzgerät für das Ausschleifen von Rohrenden Download PDF

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Publication number
EP1552903B1
EP1552903B1 EP04030981A EP04030981A EP1552903B1 EP 1552903 B1 EP1552903 B1 EP 1552903B1 EP 04030981 A EP04030981 A EP 04030981A EP 04030981 A EP04030981 A EP 04030981A EP 1552903 B1 EP1552903 B1 EP 1552903B1
Authority
EP
European Patent Office
Prior art keywords
belt
motor
grinding machine
grinding
screw spindle
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
Application number
EP04030981A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1552903A2 (de
EP1552903A3 (de
Inventor
Jörn Toft
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.)
Multi-Tool AS
Multi Tool AS
Original Assignee
Multi-Tool AS
Multi Tool 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 Multi-Tool AS, Multi Tool AS filed Critical Multi-Tool AS
Priority to PL04030981T priority Critical patent/PL1552903T3/pl
Publication of EP1552903A2 publication Critical patent/EP1552903A2/de
Publication of EP1552903A3 publication Critical patent/EP1552903A3/de
Application granted granted Critical
Publication of EP1552903B1 publication Critical patent/EP1552903B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/007—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for end faces of tubes

Definitions

  • the invention relates to a belt grinding machine, preferably for combination with an attachment for grinding pipe ends and the like.
  • a multi-functional belt grinding machine can be provided, which is suitable for a variety of diameters to be ground at various angles.
  • Such belt grinders are used for work in railing production, frame and pipe constructions, shop fittings and much more.
  • FIG. 2 A plan view of the belt grinding machine of the prior art is there in FIG. 2 shown.
  • the sanding belt 2 is guided over a rear, connected to the motor 10 guide roller 5 and a front guide roller 4.
  • the tension of the sanding belt 2 is held by means of a spring 9, which is designed as a spiral spring or spiral spring and lies outside of the tape run.
  • the DE 295 04 077 U1 discloses a belt sander in which the distance between a rear drive roller and a diverting pulley is adjustable, the adjustability being achieved by adjusting the front part carrying the diverting pulley by a sprung tensioning device.
  • the sprung tensioning device is arranged within the strip run.
  • the DE 42 26 708 A1 relates to a belt sander which is controlled by a robot and whose programming is the movement of the workpiece.
  • a contact roller is loaded by a pneumatic cylinder in the direction of the workpiece.
  • the grinding belt is guided around four axially parallel rollers for contact, drive, deflection and clamping.
  • a belt sander according to claim 1.
  • Advantageous embodiments are the subject of the dependent claims. According to the invention it is provided that at a Belt grinder, which is preferably to be used in combination with a header for grinding pipe ends and the like, but also for other applications, a number of contact rollers with different diameter is provided around which the endlessly running abrasive belt is optionally placed, and that a device is provided for adjusting the belt tension within the belt run, which mechanically optimizes the belt tension of the sanding belt independently of the diameter of the contact roller.
  • This has a gas spring, one end of which is retained and the second end is displaceably guided in one of at least two formed in the housing of the belt grinding and longitudinally extending slots and is pivotally mounted on a flat plate, wherein the sheet in at least two the slots is mounted and the motor flange is placed on the flat sheet metal.
  • the belt sander may include a side regulating device having a threaded spindle eccentric to the motor rotation axis, operable from outside the belt grinder housing and disposed on a tab attached to the engine flange.
  • This threaded spindle can easily tilt the motor with its flange in a rear position for adjusting the laterally correct tape running and the tape tension by exerting pressure on the cover plate.
  • the adjustment is done by train in the direction of the cover plate or in the opposite direction. Both adjustment options complement each other because of the eccentricity.
  • Essential to the invention is that a loading force is generated, which ensures the optimum tension of the abrasive belt.
  • the coolant can be water.
  • the housing of the belt sander and that of the attachment are preferably mechanically fixed to each other, for example by a connection by means of screws.
  • FIG. 1 shows a belt sander 100, which is basically suitable for industrial indoor use in humid environments and is used for grinding, for example, steel, stainless steel and metals.
  • a sanding belt is how better in FIG. 2 can be seen, powered by a motor 102.
  • the respective resting abrasive belt can be laterally adjusted by means of an adjustment 104.
  • the clamping and releasing of the respective sanding belt takes place via a lever mechanism 106.
  • the motor 102 drives a drive pulley 108 around which the sanding belt (not visible in the drawing) is guided along a horizontal sanding table 110, which can be raised or lowered if necessary. and around a contact disk 112 back to the drive pulley 108th
  • This per se known belt grinding machine is operated according to the invention with an attachment 200, which is fixed by means of a mechanical fixing device 224, preferably a simple screw connection to the belt grinding machine 100.
  • the longer sanding belt is then guided accordingly to the attachment 200 and adjusted there and fixed, as will be explained in more detail below.
  • the contact roller 206 can be adjusted by means of the height adjustment 202.
  • An integrated spark box 204 is provided, which is filled with coolant, for example water, which absorbs the sparks generated during grinding.
  • FIG. 3 shows a detailed view of the header 200.
  • the contact roller 206 can be triggered and replaced by the release of the mechanical latch 208.
  • a corresponding fixation ensures their secure fit.
  • the side shift is via a cross slide actuated by the rotary lever 212, are operated.
  • the feed is determined by the adjusting lever 214.
  • the lever mechanism 216, 218 allows the adjustment of the center height of the contact roller 206.
  • a vice 220 is provided to clamp the workpiece.
  • a mechanism 222 is used to adjust the angles, with a large fissure of 10 ° and a small fissure of 5 °. Basically, any nicks in the range of 30 ° to 90 ° in the steps mentioned or also freely chosen.
  • the assembly of belt grinder and attachment is done by first the electrical voltage at the main switch is disconnected and eye protection and thumbscrews, as far as disturbing and existing disassembled. Also sanding pad with spark box must be dismantled.
  • FIG. 4 shows that the belt grinder and the attachment are assembled by means of 4 bolts 224.
  • the previous sanding belt can be removed and the desired contact roller can be used in a holder. Then the new sanding belt is inserted and tensioned.
  • FIG. 5 shows the positions of the tilt settings 226 that must be set in the first setup.
  • FIG. 6 shows details of the mechanism for adjusting the tension of the abrasive belt in the belt grinding machine according to the present invention.
  • a gas spring 130 is provided, one end 132 of which is fixed while the end 134 is slidably movable in a slot but fixedly mounted.
  • FIG. 7 shows further details, for example, that under the drive pulley 108, a further slot 136 is provided which can serve for adjustment. Also several slots can be provided for guidance.
  • FIG. 8 shows in sub-images (a), (b) and (c), as in spite of different diameters of contact rollers 206 and stationary contact disc 112 by displacing the drive pulley 108 (for example, in the in FIG. 7 shown slot 136), the same abrasive belt with optimized grinding voltage can be used. More specifically, the center distance between the contact roller 206 and the contact disk 112 is kept constant, while the drive pulley 108 can be moved accordingly. Once the position of the drive pulley 108 is fixed, the belt tension is optimized with a mechanism for adjusting the tension of the abrasive belt as described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
EP04030981A 2004-01-06 2004-12-29 Bandschleifmaschine, vorzugsweise für die Kombination mit einem Vorsatzgerät für das Ausschleifen von Rohrenden Expired - Lifetime EP1552903B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04030981T PL1552903T3 (pl) 2004-01-06 2004-12-29 Szlifierka taśmowa do kombinacji z przystawką do szlifowania końcówek rur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004000104U 2004-01-06
DE202004000104U DE202004000104U1 (de) 2004-01-06 2004-01-06 Bandschleifmaschine, vorzugsweise für die Kombination mit einem Vorsatzgerät für das Ausschleifen von Rohrenden

Publications (3)

Publication Number Publication Date
EP1552903A2 EP1552903A2 (de) 2005-07-13
EP1552903A3 EP1552903A3 (de) 2005-09-07
EP1552903B1 true EP1552903B1 (de) 2008-07-02

Family

ID=32240747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04030981A Expired - Lifetime EP1552903B1 (de) 2004-01-06 2004-12-29 Bandschleifmaschine, vorzugsweise für die Kombination mit einem Vorsatzgerät für das Ausschleifen von Rohrenden

Country Status (8)

Country Link
US (1) US20050221735A1 (pl)
EP (1) EP1552903B1 (pl)
CN (1) CN1663743B (pl)
AT (1) ATE399619T1 (pl)
DE (2) DE202004000104U1 (pl)
DK (1) DK1552903T3 (pl)
ES (1) ES2310699T3 (pl)
PL (1) PL1552903T3 (pl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1688216A1 (de) * 2005-02-02 2006-08-09 Multi-Tool A/S Bandschleifmaschine, vorzugsweise für die Kombination mit einem Vorsatzgerät für das Ausschleifen von Rohrenden
DE102005063241B4 (de) * 2005-12-20 2025-08-07 C. & E. Fein Gmbh Bandschleifmaschine mit Aufsatzmodul
DE102006007709B4 (de) * 2006-02-14 2019-01-31 C. & E. Fein Gmbh Bandschleifmaschine
DE102006013436B4 (de) 2006-03-14 2018-10-31 C. & E. Fein Gmbh Bandschleifmaschine zum Außenrundschleifen von Rohren
CN102990494B (zh) * 2011-09-08 2015-05-13 莱州市鑫岳机械有限公司 小型多功能砂带机
DE102013111807A1 (de) 2013-10-25 2015-04-30 C. & E. Fein Gmbh Bandschleifmaschine mit miteinander koppelbaren Bandschleifmodulen
CN103962919B (zh) * 2014-04-25 2017-06-20 陈美青 一种抛光机
DE102015205624A1 (de) 2015-03-27 2016-09-29 Siemens Aktiengesellschaft Schleifmaschine sowie Verfahren zum Bearbeiten einer Anstreifkante einer Laufschaufel
CN105500155A (zh) * 2015-12-05 2016-04-20 芜湖山野电器有限公司 一种抛光装置
CN105538101A (zh) * 2015-12-05 2016-05-04 芜湖山野电器有限公司 一种抛光机
CN112518523A (zh) * 2020-12-02 2021-03-19 汤武义 一种薄壁冲压件的自动抛磨系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3429077A (en) * 1966-04-15 1969-02-25 Lyndon V Grover Sander
US4221081A (en) * 1978-08-28 1980-09-09 Everett Charles T Dust collector system for belt sander
CH686350A5 (de) * 1992-02-07 1996-03-15 Sig Schweiz Industrieges Bandschleifmaschine.
DE9320750U1 (de) * 1993-04-02 1995-01-05 Almi Machinefabriek B.V., Vriezenveen Vorrichtung zum endseitigen Ausformen von rohrförmigen Werkstücken mit unterschiedlichen Durchmessern
DE4310887B4 (de) * 1993-04-02 2004-09-09 Almi Machinefabriek Vriezenveen B.V. Vorrichtung zum endseitigen Ausformen von rohrförmigen Werkstücken mit unterschiedlichen Durchmessern
DE29504077U1 (de) * 1995-03-10 1995-04-27 Multi-Tool A/S, Jelling Bandschleifmaschine
US5830046A (en) * 1996-10-28 1998-11-03 Vulcan Engineering Co. Belt shifting idler pulley for reciprocating an abrasive belt
DE29904027U1 (de) * 1999-03-05 1999-05-27 Multi-Tool A/S, Jelling Schleifmaschine
TW485857U (en) * 2001-04-12 2002-05-01 Shang-Zhang Liu Adjustment device for emery belt of emery belt machine
ITRM20010677A1 (it) * 2001-11-15 2003-05-15 New Tech Srl Levigatrice per incavi di estremita' di pezzi tubolari utilizzabile per la generica smerigliatura.

Also Published As

Publication number Publication date
EP1552903A2 (de) 2005-07-13
DE202004000104U1 (de) 2004-04-29
US20050221735A1 (en) 2005-10-06
ATE399619T1 (de) 2008-07-15
ES2310699T3 (es) 2009-01-16
DE502004007481D1 (de) 2008-08-14
PL1552903T3 (pl) 2008-12-31
CN1663743B (zh) 2012-08-08
EP1552903A3 (de) 2005-09-07
CN1663743A (zh) 2005-09-07
DK1552903T3 (da) 2008-11-03

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