EP3166751A1 - Dispositif de pression pour presser une bande de finition contre la surface d'une pièce - Google Patents

Dispositif de pression pour presser une bande de finition contre la surface d'une pièce

Info

Publication number
EP3166751A1
EP3166751A1 EP15733407.9A EP15733407A EP3166751A1 EP 3166751 A1 EP3166751 A1 EP 3166751A1 EP 15733407 A EP15733407 A EP 15733407A EP 3166751 A1 EP3166751 A1 EP 3166751A1
Authority
EP
European Patent Office
Prior art keywords
bearing pin
pressing device
andrückbandträger
pressing
fixing device
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
EP15733407.9A
Other languages
German (de)
English (en)
Other versions
EP3166751B1 (fr
Inventor
Oliver Hildebrandt
Simon Wolber
Michael Woehrle
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.)
Supfina Grieshaber GmbH and Co KG
Original Assignee
Supfina Grieshaber 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.)
Filing date
Publication date
Application filed by Supfina Grieshaber GmbH and Co KG filed Critical Supfina Grieshaber GmbH and Co KG
Publication of EP3166751A1 publication Critical patent/EP3166751A1/fr
Application granted granted Critical
Publication of EP3166751B1 publication Critical patent/EP3166751B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
    • B24B19/12—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding cams or camshafts
    • 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
    • B24B21/004—Machines or devices using grinding or polishing belts; Accessories therefor using abrasive rolled strips
    • 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
    • B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
    • 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
    • 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
    • B24B35/00—Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency
    • 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
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/42—Single-purpose machines or devices for grinding crankshafts or crankpins

Definitions

  • the invention relates to a pressing device for pressing a Finisbands against a workpiece surface, comprising a pressure belt and a Andschreibbandango, which supports the pressure belt at two spaced support points, wherein the pressure belt is releasably secured to the Andschreibbandany.
  • the present invention has the object to provide a pressing device with which the non-productive times of a device for finishing machining a workpiece can be shortened.
  • This object is achieved in that for fixing a respective Andschreibbandendes one provided by the Andschreibbandzi separately fixing is provided and that the fixing device in a state in which a Andschreibbandende is fixed to the fixing device, detachably fastened to the Andschreibbandany.
  • fixing devices are provided, which can be fastened or fastened detachably to the pressure belt, wherein these fixing devices make it possible to fix the pressure belt ends to the respective fixing device independently of the pressure belt carrier.
  • fixing devices are provided, which can be fastened or fastened detachably to the pressure belt, wherein these fixing devices make it possible to fix the pressure belt ends to the respective fixing device independently of the pressure belt carrier.
  • the time-consuming set-up operations associated with the handling of a pressure belt are spatially decoupled from the pressure belt carrier of a finishing machining apparatus such that the time-consuming handling operations can be performed during operation of the finishing apparatus, ie during the main times of the finishing apparatus .
  • the non-productive times, which are associated with the installation of a pressure band, are thus shortened to a period of time, which are required for releasably securing the fixing means on the Andschreibbandango and for releasing the fixing means of the Andschreibbandany.
  • a particularly reliable fixation of the Andschreibbands on the fixing results when the fixing device is designed as a clamping device.
  • the fixing device In a fixed state of the Andschreibbands to the fixing device, the fixed end of the Andschreibbands and the fixing device are not movable relative to each other.
  • a particularly good fixation of the Andschreibbands on the fixing device results when the fixing device has a clamping surface delimited by two clamping surfaces for receiving a Andschreibbandendes.
  • two fixing devices together with the pressure belt form a mounting group which can be mounted as a whole on the Andschreibbandango and detachable from the Andschreibbandologi.
  • the respective ends of the pressing belt are fixed to or within a respective fixing device, so that no relative movement between the pressing belt end and the fixing device is possible in the connecting region between the pressing belt end and the fixing device.
  • the fixing devices can still be changed relative to each other in terms of their position and location, namely by the pressure band is elastically deformed. This simplifies the assembly of the assembly group on the Andschreibbandany and also the disassembly of the assembly of the Andschreibbanditati.
  • a plug connection is provided for the detachable connection of the fixing device to the Andschreibbandany. This allows a particularly quick and easy installation of a fixing device on the Andschreibbandany.
  • the plug connection preferably comprises a plug in the form of a bearing pin and a plug receptacle in the form of a bearing pin receptacle.
  • the bearing pin and the bearing pin receptacle form a pivot bearing.
  • the connecting portions for connecting the fixing device and the Andschreibbandangos fulfill an additional function, which makes it possible to pivotally mount a fixing device on the Andschreibbandango.
  • Such a pivotability has the advantage that a pressure band is at least largely tension-free on the Andschreibbandzi can be arranged.
  • the axis of the pivot bearing extends perpendicular to a rotational axis of a workpiece to be machined.
  • a particularly simple constructed pressing device is obtained when the bearing pin is formed on the Andschreibbandiki and when the bearing pin receptacle is formed on the fixing device.
  • the bearing pin receptacle along a circumference of their bearing pin receiving surface has an opening that the bearing pin along a circumference of its bearing pin surface with respect to a cylindrical shape has a taper and that the taper and the opening are mutually available.
  • the Andschreibbandzi is integrally formed.
  • the Andschreibbandzi is multi-part and comprises a base support for releasably securing the fixing means and a movably mounted on the base support additional element, by means of which the support points are provided. In this way, a further degree of freedom is created, which allows a tension-free arrangement of the Andschreibbands on the Andschreibbandany.
  • the additional element is mounted pivotably about an additional element pivot axis on the base support. In this way, the support points can be pivoted relative to the base support.
  • the additional element pivot axis runs parallel to a rotation axis of a workpiece to be machined. This makes it possible to work by means of the same pressing device workpieces with different diameters, with the additional element to the 1925elementschwenkachse depending on the diameter of a workpiece to be machined on the base carrier aligns.
  • Figure 1 is a side view of an embodiment of a device for finishing machining a workpiece, with two pressing devices.
  • FIG. 2 shows the pressing devices according to FIG. 1 during finish machining of a workpiece with a smaller diameter
  • FIG. 3 is a view corresponding to FIG. 2 during finish machining of a workpiece with a larger diameter
  • FIG. 4 shows a side view of an embodiment of a pressing device
  • FIG. 5 shows a front view of the pressing device according to FIG. 4;
  • Fig. 6 is a side view of an embodiment of a Andschreibbands
  • Fig. 7 is a front view of the Andschreibbands of FIG. 6;
  • Fig. 8 is a side view of an embodiment of a mounting group of the pressing device
  • FIG. 9 is a front view of the assembly of FIG. 8; FIG.
  • FIGS. 10 shows a perspective view of the pressing device according to FIGS. 4 and 5, wherein the assembly group according to FIGS. 8 and 9 is shown in a first mounting state;
  • Fig. 11 is a view similar to Figure 10, wherein the assembly group is shown in a second mounting state.
  • Fig. 12 is a view corresponding to FIG. 10, wherein the assembly group is shown in a third mounting state.
  • FIG. 1 shows a device 10 for finish-machining a workpiece 12.
  • the workpiece 12 is, for example, a crankshaft which rotates about a rotation axis 14 in the course of its finish machining.
  • the workpiece surface 16 to be machined is, for example, a main bearing surface or a connecting rod bearing surface.
  • a finishing belt 18 is provided, which is taken from a supply 20 and is supplied by means of a first guide device 22 to a first pressing device 24 and a deflection point 26. Starting from the deflection point 26, the finishing belt 18 is fed to a second pressure device 28 and a second guide device 30 and finally to a collector 32.
  • the pressing devices 24 and 28 are held on opposite sides of the workpiece 12 respectively on pivot arms 34, 36, which are pivotable about respective support arm pivot axes 38, 40.
  • the support arm pivot axes 38, 40 are stationary relative to a frame part 42.
  • the frame part 42 also serves to arrange a drive device 44, which is known per se and is therefore only shown in sections.
  • the drive device 44 serves to press the pincer-like holding arms 34, 36 in each case with the pressing device 24 or 28 held thereon in the direction of the workpiece 12.
  • the structure of the pressing devices 24, 28 and their connection to the holding arms 34, 36 will be explained below with reference to Figure 2.
  • the holding arms 34, 36 have free ends 46, 48, to each of which a base support 50 of a pressing device 24, 28 is fastened by means of a screw 51.
  • the base support 50 has a base 52 and protruding from the base 52 arms 54 and 56. Between the arms 54 and 56 is formed along the base 52 extending free space, which serves for the arrangement of a bearing block 58.
  • the bearing block 58 is used for pivotal mounting of a V-shaped additional element 60. Accordingly, the additional element 60 is pivotally mounted about an additional element pivot axis 62 on the base support 50 of the pressing device 24, 28.
  • the V-shaped additional element 60 has in each case at its free ends rounded support points 64, 66, which serve to support the back of a Andschreibbands 68.
  • the pressure belt 68 is slidably mounted in the region of the support points 64, 66.
  • the pressing belt 68 transmits with its front side a pressing force on the back side of the finishing belt 18, so that its front side is pressed against the workpiece surface 16 of the workpiece 12.
  • the pivotable mounting of the additional element 60 makes it possible to compensate for different opening angles of the holding arms 34, 36 for different sized workpieces 12, so that a finish-effective section 70 of the finishing strip 18 is in each case aligned centrally between the support points 64, 66 is. This is also possible because the additional element pivot axis 62 extends parallel to the axis of rotation 14 of the workpiece 12.
  • a pivot pin 72 is provided for pivotal mounting of the additional part 60 to the base support 50.
  • the pivot pin 72 cooperates with a locking screw 74, which fixes the additional part 60 to the pivot pin 72.
  • the additional element 60, the pivot pin 72 and the locking screw 74 form a pivoting group, which is pivoted together about the additional element pivot axis 62.
  • two fixing devices 78, 80 are provided, which are preferably constructed identically and each serve to fix a Andschreibbandende 82, 84 of the Andschreibbands 68.
  • the fixing devices 78, 80 are designed as clamping devices and each have a clamping slot 86 for receiving a Andschreibbandendes 82 and 84 on.
  • the Andschreibbandenden 82, 84 have a hole 88 for the passage of a clamping screw 90.
  • the clamping screw 90 serves to move on both sides of the clamping slot 86 material portions 92 and 94 of a fixing device 78, 80 zuzubewegen to narrow the clamping slot 86, so that each of the Andschreibbandende 82 and 84 facing surfaces of the material portions 92, 94 form clamping surfaces.
  • delimiting the clamping slot 86 in the lateral direction delimiting elements 96 are provided, which are screwed, for example, with the material portion 94.
  • the material sections 92 and 94 are integrally formed with a further material section 98 of a fixing device 78, 80.
  • the connector 100 includes a plug in the form of a bearing pin 102, which is preferably arranged on each one of the arms 54, 56 of the Andschreibbandanys 76.
  • the bearing pin 102 cooperates with a connector receptacle in the form of a bearing pin receptacle 104. This is formed by the material section 98 of the fixing device 78, 80.
  • the bearing pin 102 and the bearing pin receptacle 104 together form a pivot bearing 106 with an axis 108 which is orthogonal to the axis of rotation 14 of the workpiece 12.
  • a preformed pressure belt (see Figures 6 and 7) is first connected to two fixing devices 78, 80 by the Andrückbandenden 82 and 84 are each clamped in a clamping slot 86 of the fixing means 78, 80.
  • a mounting group 110 consisting of a pressing belt 68 and two fixing devices 78, 80, compare Figure 8.
  • bearing pin receptacle 104 are hollow cylindrical and the bearing pin 102 are cylindrical in order to jointly form a plug connection 100.
  • a bearing pin receiving surface 112 of the bearing pin receptacle 104 to have an opening 114 in the circumferential direction (cf., FIG. 9).
  • This opening 114 serves to be able to introduce the bearing pin 102 in the lateral direction in the bearing pin receptacle 104.
  • the bearing pin 102 along a circumference of its bearing pin surface 116 with respect to a cylindrical shape a taper 118, see Figures 10 to 12th
  • the assembly 110 is positioned relative to the Andschreibbandany 76 that a first fixing device 80 can be joined with its bearing pin receptacle 104 with a first bearing pin 102.
  • the opening 114 of the bearing pin receptacle 104 of the first fixing device 80 is aligned so that it can be plugged onto the taper 118 of a first bearing pin 102.
  • the first fixing device 80 is releasably attached to the Andschreibbandany 76, see Figures 10 and 11th
  • the second fixing device 78 can then be joined to the Andschreibbandani 76 by the mounting assembly 110 is pivoted by 180 ° about the pivot axis 108 of the first fixing device 80 (see Figures 11 and 12). In this way, the opening 114 of the bearing pin receptacle 104 of the second fixing device 78 can be brought into the joining position with the second bearing pin 102 of the pressure-belt carrier 76 (cf., FIG. 12). On this basis, the second bearing pin 102 and the bearing pin receptacle 104 of the second fixing device 78 can be joined together, as indicated by a dashed arrow in FIG.
  • the pressure belt 68 is deformed starting from its power-free output form (see FIGS. 6 and 7), in particular bent and / or twisted. This is an elastic deformation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Automatic Assembly (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

L'invention concerne un dispositif de pression (24) servant à presser une bande de finition contre la surface d'une pièce, comprenant une bande de pression (68) et un support de bande de pression (76) qui supporte la bande de pression (68) en deux points de support (64, 66) distants l'un de l'autre, la bande de pression (68) étant fixée de manière amovible au support de bande de pression (76), un dispositif de fixation (78, 80), prévu séparément du support de bande de pression, étant destiné à fixer un extrémité (82, 84) de la bande de pression et le dispositif de fixation (78, 80) étant ou pouvant être fixé de manière amovible au support de bande de pression (76) dans un état dans lequel une extrémité (82, 84) de la bande de pression est fixée au dispositif de fixation (78, 80).
EP15733407.9A 2014-07-08 2015-06-25 Dispositif de compression servant à comprimer une bande de finition sur les surfaces de pièces Active EP3166751B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014213194.4A DE102014213194A1 (de) 2014-07-08 2014-07-08 Andrückeinrichtung zum Andrücken eines Finisbands gegen eine Werkstückoberfläche
PCT/EP2015/064372 WO2016005193A1 (fr) 2014-07-08 2015-06-25 Dispositif de pression pour presser une bande de finition contre la surface d'une pièce

Publications (2)

Publication Number Publication Date
EP3166751A1 true EP3166751A1 (fr) 2017-05-17
EP3166751B1 EP3166751B1 (fr) 2018-03-28

Family

ID=53498988

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15733407.9A Active EP3166751B1 (fr) 2014-07-08 2015-06-25 Dispositif de compression servant à comprimer une bande de finition sur les surfaces de pièces

Country Status (6)

Country Link
US (1) US9744639B2 (fr)
EP (1) EP3166751B1 (fr)
KR (1) KR101752148B1 (fr)
CN (1) CN106457505B (fr)
DE (1) DE102014213194A1 (fr)
WO (1) WO2016005193A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015216357A1 (de) 2015-08-27 2017-03-02 Supfina Grieshaber Gmbh & Co. Kg Umfangsflächenbearbeitungseinheit, Werkzeugmaschine und Verfahren zum Betrieb
DE102016107965A1 (de) * 2016-04-29 2017-11-02 Supfina Grieshaber Gmbh & Co. Kg Bandfinishvorrichtung
DE102016116325A1 (de) 2016-09-01 2018-03-01 Supfina Grieshaber Gmbh & Co. Kg Vorrichtung, System und Verfahren zur Ausrichtung mindestens eines an einem zangenförmigen Andrückarm einer Finishbearbeitungseinheit gehaltenen Finish- oder Andrückwerkzeugs
DE102017201120B3 (de) 2017-01-24 2018-06-21 Nagel Maschinen- Und Werkzeugfabrik Gmbh Andrückeinrichtung für Finishband und Bandfinishvorrichtung
DE102017108191A1 (de) * 2017-04-18 2018-10-18 Rud. Starcke Gmbh & Co. Kg Verfahren zum partiellen Schleifen einer Oberfläche sowie Schleifeinrichtung
CN112247772B (zh) * 2020-10-21 2021-10-22 佛山市维通金属制品有限公司 一种便携式不锈钢管焊缝均匀打磨装置
CN116944996B (zh) * 2023-09-19 2023-11-24 江苏诚品环保科技有限公司 一种多层实木地板抛光去毛刺设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566549A (en) * 1969-01-21 1971-03-02 James A Britton Flexible all purpose drill attachment
US4682444A (en) * 1984-05-07 1987-07-28 Industrial Metal Products Corporation Microfinishing apparatus and method
DE4444239C3 (de) * 1994-12-13 2003-05-08 Supfina Grieshaber Gmbh & Co Feinstbearbeitungsmaschine
JP3661712B2 (ja) * 1995-11-13 2005-06-22 トヨタ自動車株式会社 ラップ加工装置
DE19921043C2 (de) 1999-05-07 2002-09-19 Juergen Heesemann Bandschleifmaschine
JP4156200B2 (ja) * 2001-01-09 2008-09-24 株式会社荏原製作所 研磨装置及び研磨方法
DE10332605B4 (de) * 2003-07-17 2005-09-15 Ibz Gmbh Anpressvorrichtung für eine Oberflächenbearbeitungsvorrichtung
DE10342139B4 (de) * 2003-09-12 2008-06-19 Thielenhaus Technologies Gmbh Verfahren zur Finishbearbeitung von Umfangsflächen an wellenförmigen Werkstücken
DE102007051047B4 (de) 2007-10-16 2023-03-23 Nagel Maschinen- Und Werkzeugfabrik Gmbh Andrückeinrichtung für Finishband sowie Vorrichtung und Verfahren zur Finishbearbeitung von Umfangsflächen an zylindrischen Werkstückabschnitten
DE202013005504U1 (de) 2013-06-12 2013-06-26 Nagel Maschinen- Und Werkzeugfabrik Gmbh Andrückeinrichtung für Finishband sowie Vorrichtung zur Finishbearbeitung von Umfangsflächen an zylindrischen Werkstückabschnitten
DE202014000094U1 (de) * 2014-01-13 2014-02-18 Supfina Grieshaber Gmbh & Co. Kg Andrückeinrichtung

Also Published As

Publication number Publication date
US20170151645A1 (en) 2017-06-01
KR101752148B1 (ko) 2017-07-11
KR20170020534A (ko) 2017-02-22
CN106457505B (zh) 2018-06-12
WO2016005193A1 (fr) 2016-01-14
EP3166751B1 (fr) 2018-03-28
CN106457505A (zh) 2017-02-22
DE102014213194A1 (de) 2016-01-28
US9744639B2 (en) 2017-08-29

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