EP2228173A2 - Dispositif de polissage ou d'affilage avec un actionnement par air comprimé - Google Patents

Dispositif de polissage ou d'affilage avec un actionnement par air comprimé Download PDF

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Publication number
EP2228173A2
EP2228173A2 EP10002148A EP10002148A EP2228173A2 EP 2228173 A2 EP2228173 A2 EP 2228173A2 EP 10002148 A EP10002148 A EP 10002148A EP 10002148 A EP10002148 A EP 10002148A EP 2228173 A2 EP2228173 A2 EP 2228173A2
Authority
EP
European Patent Office
Prior art keywords
polishing
grinding
polishing pad
compressed air
drive
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.)
Granted
Application number
EP10002148A
Other languages
German (de)
English (en)
Other versions
EP2228173A3 (fr
EP2228173B1 (fr
Inventor
Boris Dipl.-Ing. Kochanski
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 DE202010013895U priority Critical patent/DE202010013895U1/de
Publication of EP2228173A2 publication Critical patent/EP2228173A2/fr
Publication of EP2228173A3 publication Critical patent/EP2228173A3/fr
Application granted granted Critical
Publication of EP2228173B1 publication Critical patent/EP2228173B1/fr
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
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B24B23/026—Fluid driven
    • 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
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular 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
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/18—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor with cooling provisions

Definitions

  • the invention relates to a polishing or grinding device for polishing or grinding painted surfaces, with a centrically or eccentrically rotatable polishing pad or grinding member, which can be brought with its lower surface in abutment against the surface to be polished or ground, and a pneumatic drive, by means of which the polishing pad or the grinding member is rotatable.
  • a corresponding polishing device is in the EP 0 691 181 A1 shown.
  • a pneumatic drive is already provided.
  • the compressed air flow supplied to the polishing device is split upstream of the pneumatic drive.
  • a part of this compressed air flow drives the pneumatic drive of the polishing apparatus, while the other part of the compressed air flow is supplied as cooling air to the processing surface or contact surface between a polishing pad of the polishing apparatus and the painted surface to be treated.
  • This known polishing device has a comparatively complicated technical-constructive structure and beyond a comparatively high compressed air and energy consumption.
  • the present invention seeks to provide a polishing or grinding device available, on the one hand has a comparatively simple technical and constructive structure and by means of the other hand during polishing or grinding significantly higher efficiencies achievable are.
  • a Druck Kunststoffleitvorraum is arranged, by means of which the drive pressure air of the pneumatic drive from the output side thereof to the polishing pad or the grinding member is conductive, and that the polishing pad or the grinding member is formed in the region of its lower surface with air channels, through which the driving compressed air can be derived from a central region of the lower surface of the polishing pad or the grinding member to the peripheral edge of the polishing pad or the grinding member.
  • the compressed air drive acting on the drive compressed air is used after its associated with a considerable cooling relaxation in the compressed air drive once again as cooling air at the interface between the polishing pad or the grinding member and the surface to be treated.
  • the air flowing therefrom can optimally function as cooling air.
  • the lower surface of the polishing pad or of the grinding member can be designed undisturbed and over the entire surface, with the resulting advantages for the polishing or grinding process.
  • the drive compressed air is supplied to the compressed air drive by a handle of the polishing or grinding device.
  • a throttle valve is provided in or on the handle, the handle is arranged on the handle and by means of which the mass flow of the driving compressed air is controllable.
  • this compressed air drive is designed as a constant pressure turbine with a turbine rotor and a reversing chamber such that the driving compressed air Paddle wheels of the turbine rotor happens at least twice.
  • the constant pressure turbine has a gap through which the drive pressure air after passing twice the impellers of the turbine rotor to between the constant pressure turbine and the polishing pad or the grinding member arranged Druck Kunststoffleitvorraum is derivable.
  • the Druck Kunststoffleitvoriques is formed as a hollow channel in a compressed air drive with the polishing pad connecting drive shaft, the polishing pad or the grinding member is fixed by means of a holding plate at the end remote from the compressed air drive, so that the driving compressed air after it has flowed through the compressed air drive, relaxed and thus cooled , can be passed to the polishing pad or the grinding member with little technical-constructive means.
  • the cooling of the compressed air drive leaving drive compressed air can be increased if the hollow channel is designed as a diffuser.
  • a speed-reducing gear is arranged between the compressed-air drive on the one hand and the output shaft on the other hand.
  • Stalling the pneumatic drive of the polishing or grinding device is reliably avoided in each case when the polishing pad or the grinding member is designed by means of the formed therein and a blade grid forming air channels as a radial flow machine, and the contact pressure of the polishing or grinding device on the processing surface does not exceed the value allowed for professional processing.
  • the blade grid formed by the air ducts may be designed as a turbine or alternatively as a compressor.
  • the pressure level can be influenced immediately downstream of the compressed air drive.
  • the practical applicability of the polishing apparatus according to the invention is further increased if the polishing pad is formed from a dimensionally stable up to a predetermined limit pressure and elastically deformable when exceeding this limit pressure material.
  • polishing device 1 serves to polish painted surfaces, eg of vehicle body parts.
  • the polishing apparatus 1 has a polishing pad 2, which is circular in the illustrated embodiment.
  • the polishing pad 2 is brought with its lower surface 3 in abutment against the surface to be polished and set in a rotational movement, so that the lower surface 3 rotates on the surface to be polished with a comparatively high rotational speed.
  • the drive power is transmitted by a drive shaft 5 to the polishing pad 2.
  • a retaining plate 6 is rotatably attached in a suitable manner on the compressed air drive remote end of the drive shaft 5, on which in turn the polishing pad 2 is fixed.
  • To the polishing apparatus 1 further includes a handle 7 through which drive compressed air 8 is guided to the compressed air drive 4.
  • Throttle valve provided, which is adjustable by means of a handle 7 hinged handle 9.
  • the drive compressed air 8 is guided by a provided in a housing 10 of the polishing device 1 and the compressed air drive 4 compressed air channel 11 to the pneumatic drive 4, which is formed in the illustrated embodiment as a constant pressure turbine 4.
  • the drive pressure air 8 is first guided over paddle wheels 12 of a turbine rotor 13 of the DC turbine 4, then enters a arranged in the housing of the pneumatic drive 4 and the constant pressure turbine 4 reversing chamber 14 and then, as best of FIG. 3 emerges again guided over the paddle wheels 12 of the turbine rotor 13. Thereafter, the driving compressed air 8 enters a space formed in the constant pressure turbine gap 15 and is introduced from there into a hollow channel 16 which is formed in the drive shaft 5, which produces the drive connection between the DC turbine 4 on the one hand and the polishing pad 2 on the other. Between the DC turbine 4 and provided with the hollow channel 16 drive shaft 5, a speed-reducing transmission 17 is arranged.
  • the equal pressure turbine side gap 15 with a centrally formed in the polishing pad 2 cavity 18 connecting hollow channel 16 of the drive shaft 5 forms with the gap 15 and the cavity 18 a Druck Kunststoffleitvortechnisch 15, 16, 18, by means of the compressed air drive 8, after the compressed air drive or the Equal pressure turbine 4 of the polishing device has driven, is guided to the polishing pad 2.
  • the polishing pad 2 is formed with from the cavity 18 to the peripheral edge 19 of the polishing pad 2 extending air channels 20.
  • the air channels 20 form a blade grid in the region of the polishing pad arranged on the lower surface 3 or near the lower surface 3, with the result that the polishing pad 2 operates like a radial flow machine.
  • the upstream of the formed in the drive shaft 5 hollow channel 16 serving as a drive medium for the constant pressure turbine 4 of the polishing device 1 driving compressed air, which is relaxed during operation of the constant pressure turbine 4 and thus cooler, is used in the region of the polishing pad 2 of the polishing device 1 as a cooling medium by means of which at the relative movement between the polishing pad 2 on the one hand and the surface to be polished on the other hand heat can be selectively removed and controlled from the area of the polishing pad 2.
  • the driving compressed air 8 which cools down strongly in the region of the constant pressure turbine 4 is thus used in the context of secondary use for the removal of the heat energy generated during the polishing process.
  • the driving compressed air 8 as indicated by the arrow in FIG. 1 represented, led by the handle 7 to the constant pressure turbine 4.
  • the throttle valve provided on or in the handle 7, the mass flow of the driving compressed air 8 can be controlled.
  • the driving compressed air 8 is guided during passage through the constant pressure turbine 4 by means of the reversing chamber 14 so that it passes through the paddle wheels 12 of the turbine rotor 13 twice. After passing twice the paddle wheels 12, the drive pressure air 8 is supplied through the intermediate space 15 in the constant pressure turbine 4 to the formed in the drive shaft 5 hollow channel 16. When passing through the constant pressure turbine 4, the drive pressure air 8 has cooled strongly.
  • the unobstructed outflow of the driving compressed air 8 is ensured in the region of the polishing pad 2 in that the polishing pad 2 - as already mentioned above - is designed by means of the air channels 20 as a radial flow machine.

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)
EP10002148.4A 2009-03-14 2010-03-03 Dispositif de polissage ou d'affilage avec un actionnement par air comprimé Not-in-force EP2228173B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE202010013895U DE202010013895U1 (de) 2009-03-14 2010-03-03 Polier- oder Schleifvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910013263 DE102009013263A1 (de) 2009-03-14 2009-03-14 Polier- oder Schleifvorrichtung

Publications (3)

Publication Number Publication Date
EP2228173A2 true EP2228173A2 (fr) 2010-09-15
EP2228173A3 EP2228173A3 (fr) 2011-05-25
EP2228173B1 EP2228173B1 (fr) 2014-09-10

Family

ID=42199389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10002148.4A Not-in-force EP2228173B1 (fr) 2009-03-14 2010-03-03 Dispositif de polissage ou d'affilage avec un actionnement par air comprimé

Country Status (2)

Country Link
EP (1) EP2228173B1 (fr)
DE (2) DE102009013263A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2528713A1 (fr) 2010-01-26 2012-12-05 Dynabrade, Inc. Dispositif d'abrasion à échappement avant
CN105415157A (zh) * 2015-11-26 2016-03-23 安徽鼎远金属制品有限公司 一种用于减震骨架的抛光设备
CN106363515A (zh) * 2016-11-14 2017-02-01 无锡溥汇机械科技有限公司 一种水龙头生产工艺用机械抛光装置
CN113001381A (zh) * 2021-03-23 2021-06-22 合肥中科重明科技有限公司 一种3d打印毛坯件的表面抛光装置及操作方法
CN113561055A (zh) * 2020-07-30 2021-10-29 赣州市业润自动化设备有限公司 一种化学机械研磨头

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010018406U1 (de) 2010-01-26 2016-05-20 Boris Kochanski Druckluftbetriebene Maschine, hauptsächlich zum Polieren oder Schleifen eines Werkstückes mit Kühlung desselben, erzeugt durch ungenutzte Antriebsenergie
DE202011004232U1 (de) 2011-03-21 2011-05-26 Kochanski, Boris, Dipl.-Ing., 46240 Exzentrisch wirkende Polier- oder Schleifvorrichtung mit Kühlung durch Antriebsdruckluft
DE102011014653A1 (de) 2011-03-21 2012-09-27 Boris Kochanski Exzentrisch wirkende Polier- oder Schleifvorrichtung mit Kühlung durch Antriebsdruckluft
CN109093518B (zh) * 2018-09-11 2024-05-03 陕西富泰工业材料科技有限公司 一种金刚石砂轮用安装保护装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0691181A1 (fr) 1994-06-30 1996-01-10 Kabushiki Kaisha Shinano Seisakusho Outil de polissage entraîné à l'air comprimé

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1195632B (de) * 1954-09-08 1965-06-24 Glaceries De La Sambre Sa Einrichtung zur Foerderung und Verteilung des Bearbeitungsmittels fuer ein Werkzeug zum Bearbeiten eines Glasbandes
US3760447A (en) * 1971-09-15 1973-09-25 L Vivion Fluid driven rotary hand tool
CA1027761A (fr) * 1975-11-26 1978-03-14 Miksa Marton Ponceuse aspirante
EP0050233B1 (fr) * 1980-10-22 1985-05-02 J. König GmbH & Co. Werkzeugfabrik, Steinindustrie und Handwerkerbedarf Meule diamantée pour l'usinage de pierre
US5218790A (en) * 1992-11-12 1993-06-15 Huang Kan Chi Pneumatically operated debris-removable grinding tool
JP2001293664A (ja) * 2000-04-17 2001-10-23 System Foo:Kk バフ盤
DE20217188U1 (de) * 2002-11-07 2003-02-27 Ewald Schaumstoffe Gmbh & Co K Polierscheibe
DE102005009854A1 (de) * 2005-02-03 2006-08-17 Monti-Werkzeuge Gmbh Rotationswerkzeug
DE202006011778U1 (de) * 2006-08-01 2006-10-26 Klaus-Chemie Gmbh Polierschwamm für eine Poliermaschine
DE202009007103U1 (de) * 2009-05-16 2010-03-04 Klaus-Chemie Gmbh Polierschwamm

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0691181A1 (fr) 1994-06-30 1996-01-10 Kabushiki Kaisha Shinano Seisakusho Outil de polissage entraîné à l'air comprimé

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2528713A1 (fr) 2010-01-26 2012-12-05 Dynabrade, Inc. Dispositif d'abrasion à échappement avant
EP2528713A4 (fr) * 2010-01-26 2013-07-31 Dynabrade Dispositif d'abrasion à échappement avant
CN105415157A (zh) * 2015-11-26 2016-03-23 安徽鼎远金属制品有限公司 一种用于减震骨架的抛光设备
CN106363515A (zh) * 2016-11-14 2017-02-01 无锡溥汇机械科技有限公司 一种水龙头生产工艺用机械抛光装置
CN106363515B (zh) * 2016-11-14 2018-07-10 无锡溥汇机械科技有限公司 一种水龙头生产工艺用机械抛光装置
CN113561055A (zh) * 2020-07-30 2021-10-29 赣州市业润自动化设备有限公司 一种化学机械研磨头
CN113001381A (zh) * 2021-03-23 2021-06-22 合肥中科重明科技有限公司 一种3d打印毛坯件的表面抛光装置及操作方法

Also Published As

Publication number Publication date
EP2228173A3 (fr) 2011-05-25
EP2228173B1 (fr) 2014-09-10
DE202010013895U1 (de) 2010-12-16
DE102009013263A1 (de) 2010-09-16

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