EP3172012B1 - Dispositif de finition - Google Patents

Dispositif de finition Download PDF

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Publication number
EP3172012B1
EP3172012B1 EP15741539.9A EP15741539A EP3172012B1 EP 3172012 B1 EP3172012 B1 EP 3172012B1 EP 15741539 A EP15741539 A EP 15741539A EP 3172012 B1 EP3172012 B1 EP 3172012B1
Authority
EP
European Patent Office
Prior art keywords
pressing
base support
tool
finishing device
pressing tool
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.)
Active
Application number
EP15741539.9A
Other languages
German (de)
English (en)
Other versions
EP3172012A1 (fr
Inventor
Michael Huber
Marcus Stephan
Simon Wolber
Anita HUG
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 EP3172012A1 publication Critical patent/EP3172012A1/fr
Application granted granted Critical
Publication of EP3172012B1 publication Critical patent/EP3172012B1/fr
Active 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
    • B24B21/02—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
    • 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 finishing device, comprising a pressing arm and a pressing tool for pressing a finishing tool against a workpiece, according to EP 1 447 170 A1 and US 4,993,191 A ,
  • Finish devices are for example from the EP 2 212 058 B1 and from the DE 20 2013 005 504 U1 known. They serve to press a finishing tool (for example, a finishing belt) against a finish to be machined workpiece surface. In this case, the workpiece rotates and is simultaneously oscillated back and forth parallel to the axis of rotation. This results in a characteristic of the finishing process cross-cut structure.
  • a finishing tool for example, a finishing belt
  • the present invention has for its object to simplify the installation of a pressure tool.
  • a base support is provided whose position and / or position can be adjusted relative to the pressing arm by means of an adjusting device. If the basic carrier assumes a desired position and / or position relative to the pressing arm, the basic carrier can be fixed to the pressing arm by means of the first connecting device.
  • the second connection device serves to connect the base support with the pressure tool. The pressing tool then no longer has to be aligned relative to the pressure arm, but merely connected to the base support. This allows a simple and quick replacement of a pressing tool, which is due to wear or to be mounted to prepare a new workpiece lot.
  • the second connecting device makes it possible to connect pressing tools in the form of set-up tools to the basic carrier.
  • Such setting tools may optionally be made more stable than pressing tools, which are used as a working tool, for example, to press a finishing belt against a finish to be machined workpiece surface.
  • the pressing tool comprises a pressing belt and a Andschreibbandhalter.
  • the Andschreibbandhalter has a connecting portion for connection to a connecting portion of the base support. These connection sections form the second connection device.
  • the pressure belt is a bendable belt which can be used for finish machining workpiece surfaces with different diameters.
  • the pressure belt and the finishing belt wrap around the finish to be machined workpiece surface over a wrap angle, which, for example, is greater than 10 ° or 20 °.
  • the finishing device has a pressing tool with a rigidly formed pressing portion.
  • a pressing tool is mechanically robust and can be used, for example, as a setting tool in the course of preparing for the production of a workpiece lot, but alternatively or additionally as a working tool.
  • Both a pressing tool in the form of a working tool and a pressing tool in the form of a setting tool are preferably releasably connected releasably connected to the base support, so that any pressing tools can be easily and quickly released from the base support and connected to this.
  • the pressing portion is formed like a shell or prism.
  • Such a pressing portion allows a large or multi-surface contact of the Andrückabitess on surfaces Einrichtwerk Anlagens or one to machining workpiece. This system simplifies the alignment of the base carrier relative to the pressing arm by means of the adjusting device.
  • the first connecting device comprises a tilt-adjustable screw which forms the adjusting device.
  • a screw connection preferably comprises spherical discs and conical cups, which can be adjusted in their inclination relative to each other, so that an axis of a screw, which passes through the spherical disc and conical socket, is also adjustable in its inclination to define a slope of the base support relative to the Andrückarm ,
  • a simple way of influencing the position of the base carrier on the pressing arm is to provide the base carrier or the pressing arm with slots, so that the position of the screw and thus the relative position of the base support is adjustable relative to the pressing arm.
  • the base support has a particular U-shaped support frame for attachment to the Andrückarm.
  • a support frame allows a simple and accurate tolerance storage of a pressure tool on the base support.
  • the base support may be integrally formed.
  • the base support may also be designed in several parts and, for example, have a particular U-shaped inner frame, which is held on the holding frame and which serves to hold the pressing tool. It is possible for the inner frame to be mounted on the holding frame in such a way that the inner frame can move along or around certain axes of movement in order to provide a movable mounting of the pressing tool relative to the basic carrier.
  • the base support and the pressure tool have contact surfaces which define the relative position of the pressure tool on the base support. In this way, an adjustment of the position and / or position of the base carrier made on the base carrier relative to the pressing arm is transmitted to the pressing tool.
  • the second connection device can be formed by a screw connection in the simplest case (not according to the invention).
  • the second connection device can be actuated without tools and is designed as a latching connection. This makes it possible to provide a quick-change interface between the pressing tool and the base support.
  • the second connecting device comprises a latching element, which occupies a locking position for locking the pressing tool on the base carrier in a rest position and which in particular can be moved manually into a release position, in which the pressing tool is detachable from the base carrier.
  • the second connecting means described above are also advantageous for finishing devices, which have no adjustment for adjusting the position and / or position of the base support relative to the Andschreibarm and in which only a first connection means for connecting the base support is provided with the Andschreibarm.
  • the object mentioned at the outset is also achieved by a method for setting up a finishing device described above in which a pressing tool designed as a setting tool is connected to the base support, the pressing tool is applied to a set-up piece or to a workpiece to be finish-finished in order to align the base support and determine the position and / or position of the base support, wherein further, the base support is attached to the Andschreibarm, removes the Einrichttechnikmaschine and designed as a machining tool Pressing tool is connected to the base support.
  • finishing device 10 comprises a frame 12 with two pivot axes 14, 16 for the pivotal mounting of a respective pressing arm 18, 20.
  • the finishing device 10 comprises a pressing drive 22, by means of which the pressing arms 18, 20 are pivotable such that the free ends 24, 26 of the pressing arms 18, 20 in the direction of an axis 28 of Einrichtwerk Anlagens 30 (see. FIGS. 1 to 3 ) or in the direction of a workpiece axis 32 of a workpiece to be machined finishend (see FIG. 4 to 6 ), in particular in the form of a crankshaft.
  • the pressing arms 18, 20 serve to transmit a pressing force to a subsequently described pressing tool in order to press a finishing belt 36 against a finish-to-be-machined surface of the workpiece 34 (cf. FIG. 4 ).
  • the finishing belt 36 is removed in a conventional manner from a supply 38, supplied to the workpiece 34, deflected in the region of a deflection 40, guided back to the workpiece 34 and fed from there to a collector 42.
  • the first connecting means 46 comprise screws 48 which pass through openings 50 of the pressing arms 18, 20.
  • units 52, 54 are provided which each comprise a spherical disk and a conical socket and make it possible to adjust the inclination of the screws 48 within the through holes 50.
  • the screws 48 are screwed with their ends 56 to the base support 44. In this way, an adjusted by means of the units 52, 54 inclination of the screws 48 is transmitted to the base support 44.
  • the units 52 and 54 together with the screws 48 each form an adjusting device 58 for adjusting the position and / or position of the base support 44 relative to a respective pressing arm 18, 20th
  • the base support 44 is connected by means of a second connecting device 60 with a pressure tool 62.
  • a pressure tool 62 is a set-up tool with a cup-shaped, rigid pressing portion 64th
  • the pressing tool 62 has a contact surface 66 for abutment against a counter surface 68 of the base support 44.
  • the second connecting device 60 in the simplest case, a screw 70th
  • further guide elements 72 may be provided, for example, on the base support 44 held bolts, which cooperate with provided on the pressing tool 62 grooves 74.
  • a pressure tool 62 is connected in the form of a Einrichttechnikmaschines with the base support 44 and the first connection means 52 is loosened. Subsequently, the pressing portion 64 is brought into abutment with a reference surface 76 of a Einrichttechnikmaschines 30 (see. Fig. 3 ), so that the setting tool 62 together with the base support 44 relative to the Andrückarm 18, 20 aligns. In the thus determined position and position state of the base support 44, the first connection means 46 for fixing the base support 44 on the pressing arm 18, 20 is actuated.
  • the pressing tool 78 has a Andschreibbandhalter 80 for holding a Andschreibbands 82.
  • the Andschreibbandhalter 80 is identical in terms of its co-operating with the base support 44 surfaces to the pressure tool 62 in the form of the Einrichttechnikmaschines. Accordingly, the Andschreibbandhalter 80 can be connected by means of the second connecting means 60 with the base support 44.
  • the pressing tool 78 already assumes a predetermined position and position relative to the pressing arm 18, 20 a. Therefore, after positioning the pressing tool 78 on a surface finish 84 of the workpiece 34 (by closing the pincer-like pressing arms 18, 20), machining of the surface 84 can begin immediately without requiring further adjustment operations.
  • One in the FIGS. 7 to 17 illustrated finishing device 10 also includes a base support 44 for mounting to a pressure arm 18, 20.
  • the base support 44 has a U-shaped support frame 86 in which a likewise U-shaped inner frame 88 is arranged.
  • the bolts 72 are provided on opposite sides of the support frame 86 and define a pivot axis 92.
  • a bottom-side, pin-shaped connecting element 94 is provided for connection between the holding frame 86 and the inner frame 88, which protrudes with a free end over a formed by the inner frame 88 counter surface 68.
  • the inner frame 88 is used for releasably securing a pressing tool 96, which supports cup-shaped pressing elements 98.
  • a second connecting device 60 is provided, which is designed as a latching connection.
  • the second connecting device 60 comprises a latching element 100 in the form of a push button 102, which is movable along an actuating axis 104.
  • the push button 102 is acted upon by a spring 106 with a compressive force which tends to push the button 102 from its release position (see. FIG. 11 ) in its locking position (see. FIG. 17 ).
  • the spring 106 is compressed by a fitter on a pressure surface 108 of the push button 102 exerted a compressive force which is higher than the force of the spring 106 in the opposite direction.
  • the spring 106 is supported on a plate 110, which is firmly connected to the pressing tool 96.
  • the push button 102 has a constriction 112, which is smaller than an access opening 114 of a counter element 116 (see. FIG. 12 ).
  • An extension 118 of the pushbutton 102 which adjoins the constriction 112 in the axial direction is slightly smaller than a receiving opening 120 of the counter element 116.
  • the counter element 116 is fastened to the base support 44, in particular to the inner frame 88.
  • the push button 102 For mounting the pressing tool 96 on the base support 44, the push button 102 is held in its release position. This will - As the pressing tool 96 is inserted into the inner frame 88, the restriction 112 of the push button 102 is positioned at the level of the counter-holder 116. The constriction 112 is then inserted through the access opening 114 into the receiving opening 120 of the counter-holder 116.
  • the connecting element 94 engages with a receptacle 122 of the pressing tool 96 (see. FIG. 15 ).
  • the contact surface 66 of the pressing tool 96 comes into abutment with the counter surface 68 of the base support 44th
  • the spring 106 relaxes, so that the push button 102 is transferred from the release position to the locking position.
  • the extension 118 of the push button engages with the receiving opening 120 of the counter element 116, so that the pressing tool 96 is locked to the base support 44.
  • the finishing device 10 comprises a second connecting device 60 with at least one, preferably two spring clips 124. These are fixed to the holding frame 86 of the base support 44 and have two spaced insertion ends 126 on.
  • the pressing tool 78 which is joined to the base support 44, has webs 128 which are insertable between the insertion ends 126 and press them apart.
  • the abutment surface 66 of the pressing tool 78 bears against the mating surface 68 of the holding frame 86.
  • the connecting element 94 is joined to the receptacle 122 (cf. FIG. 21 ).
  • the springs 124 are in latching engagement with the webs 128, cf. especially FIGS. 22 and 23 , To release the pressing tool 78 of the base support 44, it is sufficient to replace the pressing tool 78 opposite to the joining direction of the base support 44, overcoming the Holding force of the spring clips 124.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Jigs For Machine Tools (AREA)

Claims (9)

  1. Dispositif de finition (10) comprenant un bras de pression (18, 20) et un outil de pression (62, 78, 96) destiné à plaquer un outil de finition (36) contre une pièce (34), dans lequel un premier dispositif de liaison (46) destiné à relier un support de base (44) audit bras de pression (18, 20), un deuxième dispositif de liaison (60) destiné à relier ledit support de base (44) à l'outil de pression (62, 78, 96) ainsi qu'un dispositif de réglage (58) destiné à régler l'orientation et/ou la position du support de base (44) sur ledit bras de pression (18, 20) sont prévus, caractérisé par le fait que ledit deuxième dispositif de liaison (60) peut être actionné sans outil et est réalisé en tant que liaison à encliquetage, et que ledit deuxième dispositif de liaison (60) comprend un élément à encliqueter (100) qui, dans une position de repos, occupe une position de verrouillage pour verrouiller ledit outil de pression (96) sur le support de base (44), et que l'on peut faire passer à une position de libération dans laquelle l'outil de pression (96) peut être détaché du support de base (44).
  2. Dispositif de finition (10) selon la revendication 1, caractérisé par le fait que l'outil de pression (78) comprend une bande de pression (82) et un support de bande de pression (80).
  3. Dispositif de finition (10) selon l'une quelconque des revendications précédentes, caractérisé par le fait que l'outil de pression (62) comprend une section de pression (64) réalisée de manière rigide.
  4. Dispositif de finition (10) selon la revendication 3, caractérisé par le fait que ladite section de pression (64) est réalisée en forme de cuvette ou de prisme.
  5. Dispositif de finition (10) selon l'une quelconque des revendications précédentes, caractérisé par le fait que ledit premier dispositif de liaison (46) comprend un vissage (48) réglable en inclinaison qui forme ledit dispositif de réglage (58).
  6. Dispositif de finition (10) selon l'une quelconque des revendications précédentes, caractérisé par le fait que ledit support de base (44) présente un cadre de support (86) en particulier en U destiné à la fixation sur le bras de pression (18, 20).
  7. Dispositif de finition (10) selon la revendication 5, caractérisé par le fait que ledit support de base (44) présente un cadre intérieur (86) en particulier en U qui est supporté sur le cadre de support (86) et qui sert à maintenir ledit outil de pression (96).
  8. Dispositif de finition (10) selon l'une quelconque des revendications précédentes, caractérisé par le fait que l'on peut faire passer à commande manuelle ledit élément à encliqueter (100) à la position de libération.
  9. Procédé d'installation d'un dispositif de finition (10) selon l'une quelconque des revendications précédentes, comprenant:
    - relier un outil de pression (62) conçu en tant qu'outil d'installation, audit support de base (44),
    - appliquer ledit outil de pression (62) à une pièce d'installation (30) ou à une pièce (34) à usiner par finition pour orienter le support de base (44) et pour déterminer l'orientation et/ou la position du support de base (44),
    - fixer le support de base sur le bras de pression (18, 20),
    - enlever ledit outil d'installation (62),
    - relier un outil de pression (78) conçu en tant qu'outil d'usinage, au support de base (44).
EP15741539.9A 2014-07-25 2015-07-23 Dispositif de finition Active EP3172012B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014214719.0A DE102014214719A1 (de) 2014-07-25 2014-07-25 Finishvorrichtung
PCT/EP2015/066824 WO2016012526A1 (fr) 2014-07-25 2015-07-23 Dispositif de finition

Publications (2)

Publication Number Publication Date
EP3172012A1 EP3172012A1 (fr) 2017-05-31
EP3172012B1 true EP3172012B1 (fr) 2018-06-06

Family

ID=53719771

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15741539.9A Active EP3172012B1 (fr) 2014-07-25 2015-07-23 Dispositif de finition

Country Status (6)

Country Link
US (1) US10207383B2 (fr)
EP (1) EP3172012B1 (fr)
KR (1) KR102438178B1 (fr)
CN (1) CN106536131B (fr)
DE (1) DE102014214719A1 (fr)
WO (1) WO2016012526A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016111155B4 (de) * 2016-06-17 2024-02-29 Supfina Grieshaber Gmbh & Co. Kg Finishband-Klemmeinrichtung und Finishvorrichtung
DE102016116161A1 (de) * 2016-08-30 2018-03-01 Supfina Grieshaber Gmbh & Co. Kg Werkzeugmaschine und Verfahren zur finishenden Bearbeitung von Werkstücken
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
WO2019115323A1 (fr) * 2017-12-14 2019-06-20 Thielenhaus Technologies Gmbh Sabot de pressage

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Also Published As

Publication number Publication date
DE102014214719A1 (de) 2016-01-28
WO2016012526A1 (fr) 2016-01-28
US20170197288A1 (en) 2017-07-13
KR20170035914A (ko) 2017-03-31
CN106536131B (zh) 2019-11-08
CN106536131A (zh) 2017-03-22
US10207383B2 (en) 2019-02-19
KR102438178B1 (ko) 2022-08-31
EP3172012A1 (fr) 2017-05-31

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