EP1498224B1 - Tête de soutien - Google Patents

Tête de soutien Download PDF

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Publication number
EP1498224B1
EP1498224B1 EP20040016661 EP04016661A EP1498224B1 EP 1498224 B1 EP1498224 B1 EP 1498224B1 EP 20040016661 EP20040016661 EP 20040016661 EP 04016661 A EP04016661 A EP 04016661A EP 1498224 B1 EP1498224 B1 EP 1498224B1
Authority
EP
European Patent Office
Prior art keywords
carrier head
workpiece
carrier
plate
contact surface
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
EP20040016661
Other languages
German (de)
English (en)
Other versions
EP1498224A3 (fr
EP1498224A2 (fr
Inventor
Klaus-Dieter Gellert
Frank Zimmer
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.)
Fixture Tech Solutions GmbH
Original Assignee
Carl Zeiss Fixture Systems GmbH
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 Carl Zeiss Fixture Systems GmbH filed Critical Carl Zeiss Fixture Systems GmbH
Publication of EP1498224A2 publication Critical patent/EP1498224A2/fr
Publication of EP1498224A3 publication Critical patent/EP1498224A3/fr
Application granted granted Critical
Publication of EP1498224B1 publication Critical patent/EP1498224B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders

Definitions

  • the invention relates to a carrier head for receiving a workpiece, with a fastening device for fastening the carrier head on a support column or the like of a support system and a contact surface for abutment of a workpiece, wherein the carrier head of a fastening device comprising the lower part and the contact surface having upper part is constructed in that the upper part and the lower part are separable from each other and wherein a plate is provided which can optionally be interposed between the lower part and the upper part.
  • a mounting system in which a carrier head of the type mentioned above is used for example, from the German utility model DE 299 11 395 U1 known.
  • Such mounting systems are used for example in the automotive industry, in particular in the development, design and manufacturing departments for the measurement of body parts, vehicle interior trim and the like.
  • Hatt ceremoniesssystems By means of the Hatt fürssystems a workpiece to be measured is kept in a defined reference position, which is preferably the same in all development and manufacturing steps.
  • a carrier head with the features mentioned above goes out of the EP 1 155 782 A2 out.
  • the contact surface of this known carrier head is adjustable by spacers in three mutually perpendicular directions in space, being used for height adjustment of the contact surface between the upper and lower part insertable, plate-shaped spacers.
  • the contact surface is formed on an assembly which on an intermediate plate is adjustable by further spacers in the other two spatial directions.
  • the workpiece can be measured at the exposed locations.
  • the corresponding carrier head is removed or replaced by another carrier head which leaves a so-called measuring air gap between itself and the workpiece, so The workpiece can also be measured in this area with simple measuring means.
  • the conversion of the carrier head for generating a measuring air gap (measuring air position) and the restoration of the reference position after the measurement of this point are relatively complex and time-consuming, especially since this need not be performed simultaneously, but in succession for the individual carrier heads. There is therefore a need for a support system or a carrier head for a support system with the fast and easy way between the reference position and the measuring air position can be changed.
  • the present invention is therefore based on the object to provide a carrier head for receiving a workpiece, which allows a quick and easy change between its reference position and its measuring air position.
  • the carrier head for receiving a workpiece comprises a fastening device for fixing the carrier head on a support column or the like of a support system and a contact surface for abutment of a workpiece. Furthermore, the carrier head is constructed of a lower part having the fastening device and a top part having the contact surface, wherein the upper part and the lower part are separable from one another; and also a plate is provided, which can be optionally interposed between the lower part and the upper part, wherein the contact surface of the carrier head with the plate interposed in a reference position for contacting the workpiece and the contact surface of the carrier head without interposed plate in a measuring air position to provide a preferably defined distance to the workpiece is located.
  • the plate is on a holder, which is attached to the lower part or the upper part, fixed in such a way that it can optionally be swung in between the lower part and the upper part and swung out.
  • the plate is thus captive mounted on the carrier head and can be quickly changed by a simple pivoting movement between the reference position and Meßluftposition.
  • the contact surface having upper part of the carrier head interchangeable without the entire carrier head must be replaced, and on the other a plate can be interposed or removed, thereby quickly and easily between a reference position in which the workpiece rests on the abutment surface of the carrier head, and a measuring air position, in which a defined distance (Meßluftspaft) is provided between the contact surface of the carrier head and the workpiece in order to measure the workpiece at this point, can be changed.
  • a defined distance Meßluftspaft
  • the lower part and / or the upper part of the carrier head advantageously on a positioning, with which the relative position between the Lower part and the upper part is fixed.
  • the contact surface of the carrier head is adjustable.
  • the carrier head further comprises at least one opening to the contact surface of the channel, which is connectable to a vacuum source, so that the workpiece without mechanical tensioning devices or the like can be pressed or sucked against the contact surface of the carrier head.
  • the carrier head may have a measuring device, for example in the form of a measuring ball at a defined position of the carrier head, with which the position of the carrier head can be checked.
  • FIG. 1 First, the construction of a support system for receiving a workpiece is shown, in which advantageously a carrier head of the invention can be used. Based on Figures 2 and 3 Subsequently, the structure and operation of an embodiment of a carrier head according to the invention will be explained in more detail.
  • the support system includes a base plate 10, which is disposed, for example, on a base plate 12 of a coordinate measuring device (not shown) in a predetermined position.
  • different cross braces are designated, with which the support columns 14 are to be stabilized in particular in a resting workpiece.
  • the attachment of the support columns 14 to the base plate 10 is not the subject of the present invention, which is why will not be discussed here at this point.
  • the invention is not limited to a particular manner of securing the support columns 14; an example of an advantageous attachment of the support columns 14 on the base plate 10 is in the already mentioned above DE 299 11 395 U1 described in detail.
  • a carrier head 18 is mounted, for example, fastened by screws.
  • a workpiece 20 On the contact surfaces (described later) of the carrier heads 18 is a workpiece 20 to be measured.
  • the workpiece 20 may be, for example, a sheet metal pressed body part or a molded part made of a plastic sheet material.
  • the carrier heads 18 may further comprise at least one opening 22 to its contact surface channel, which is connectable to the workpiece 20 side facing away from a vacuum source (not shown).
  • a vacuum line is guided through the interior of the support column 14, which is connected to a suction port 24 at the lower end of the support column 14. In this way, a workpiece to be measured 20 can be sucked by means of negative pressure to the contact surfaces of the carrier heads 18 without deformation and without mechanical tensioning devices.
  • the abutment surfaces of the carrier heads 18 may be provided with a protruding mandrel 26 or the like, which engages in a corresponding bore or recess in the workpiece 20 to be measured.
  • the carrier head 18 is constructed according to the invention of a lower part 28 and an upper part 30. While the upper part 30 of the carrier head 18 in particular has the contact surface for receiving the workpiece 20, the lower part is provided with a fastening device for fastening the carrier head 18 on a support column 14.
  • the fastening device consists for example of a base 32 in which a plurality of holes 34 are formed, which are aligned with threaded holes in the top of a support column 14 and by which screws into the threaded holes of the support column 14 are screwed.
  • both the upper part 30 and the lower part 28 are each provided with a pin 36 or 38 and a bore (in FIG. 2 not recognizable).
  • the pins 36, 38 of a component of the upper part 30 and lower part 28 respectively fit into the associated bore of the other component of upper part 30 and lower part 28.
  • a bolt 40 is provided in the lower part 28 of the carrier head 18 transversely to the bore of the positioning device, which is biased in the direction of the bore and provided with an end-side projection in the annular grooves 42 of the associated pin 36 on the upper part 30th the carrier head 18 can engage, so that the pin 36 can be releasably locked in the bore.
  • the pin 36 of the upper part 30 of the carrier head 18 has two spaced annular grooves 42, which correspond to the two different operating positions (see below) of the carrier head 18.
  • a measuring device 44 in the form of a measuring ball is attached to the upper part 30 of the carrier head 18. With the help of this measuring ball 44, the positions of the On the support columns 14 of the support system mounted carrier heads 18 are measured and checked.
  • the carrier head 18 of the invention has a plate 46, a so-called measuring air plate.
  • This plate 46 is attached to a holder 48 in the form of a retaining pin, which is attached to the lower part 28 of the carrier head 18.
  • the attachment of the holder 48 to the lower part 28 of the carrier head 18 is preferred, but in principle it is also conceivable to attach the holder to the upper part 30 of the carrier head 18.
  • the plate 46 is attached to the retaining pin 48 so as to be movable between a first position (left in FIG. 2 , see also FIG. 3A ), in which it is interposed between the lower part 28 and the upper part 30 of the carrier head 18, and a second position (right in FIG FIG. 2 , see also FIG. 3B ), in which it is pivoted out of the carrier head 18, is movable.
  • the plate 46 is displaceable on the one hand along the retaining pin 48 in its axial direction and on the other hand rotatable about the retaining pin 48 with the retaining pin as a rotation axis.
  • the plate 46 is also provided with two holes 50 which correspond to the bores of the lower part 28 and the upper part 30, so that the pins 36, 38 of the lower part 28 and the upper part 30 in the first position of the plate 46 through these holes 50 of the Plate 46 can protrude through and at the same time the plate 46 is fixed in position between the lower part 28 and the upper part 30 of the support body 18.
  • FIG. 3A shows in a schematic side view of the plate 46 in its first position in which it is interposed between the lower part 28 and the upper part 30 of the carrier body 18.
  • the carrier body 18 In this first position of the plate 46, the carrier body 18 is in its reference position, that is, the contact surface of the upper part 30 of the carrier body 18 is in contact with a placed on the support system, to be measured workpiece 20.
  • a so-called measuring air gap is filed between the carrier body 18 and the underside of the workpiece 20 to be measured, so that the underside of the workpiece is freely accessible for a desired measurement.
  • the plate 46 is pivoted out of the carrier body 18 about the retaining pin 48 as a rotation axis, and finally the upper part 30 is again on the lower part 28 of the carrier body 18 put on, as in FIG. 3B is shown.
  • the contact surface of the upper part 30 of the support body 18 is spaced from the underside of the workpiece to be measured 20, wherein the measuring air gap 52 thus formed is well defined according to the thickness of the plate 46.
  • the plate 46 is brought back into its first position between the upper part 30 and the lower part 28 of the carrier body 18 by the above-mentioned steps are performed in reverse order.
  • the carrier body 18 is then automatically in its defined reference position ( FIG. 3A ) without having to readjust.
  • the plate 46 is rotatably mounted about a holder 48 designed as a holding pin.
  • the holder 46 in the form of a hinge or a hinge, around which the plate is pivotably held between its first and its second position.
  • the number of pins 36, 38 and holes of the positioning is not limited to two; For example, it is also possible to provide three or more pins with corresponding bores. Moreover, it is also possible to provide only one pin with a corresponding bore, in which case the rotation of the arrangement is integrated into the interaction between pin and bore.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Jigs For Machine Tools (AREA)

Claims (5)

  1. Tête porteuse (18) pour la réception d'une pièce d'oeuvre (20), comprenant un dispositif de fixation (32, 34) pour la fixation de la tête porteuse (18) sur une colonne porteuse (14) ou similaire d'un système de maintien et une surface d'appui pour l'appui d'une pièce d'oeuvre (20), ladite tête porteuse (18) étant constituée d'une partie inférieure (28) comportant le dispositif de fixation et d'une partie supérieure (30) comportant la surface d'appui, la partie supérieure et la partie inférieure étant séparables l'une de l'autre, et dans laquelle il est prévu une plaque (46) qui peut être sélectivement interposée entre la partie inférieure (28) et la partie supérieure (30),
    caractérisée en ce que
    la plaque (46) est fixée sur une monture (48) qui est rapportée sur la partie inférieure (28) ou sur la partie supérieure (30) de la tête porteuse de telle façon qu'elle peut être basculée sélectivement en entrant ou en sortant entre la partie inférieure et la partie supérieure, et lorsque la plaque est interposée, la surface d'appui de la tête porteuse (18) se trouve dans une position de référence pour la venue en contact de la pièce d'oeuvre (20) et, en l'absence de plaque interposée, la surface d'appui se trouve dans une position de mesure à distance (32) par rapport à la pièce d'oeuvre.
  2. Tête porteuse selon la revendication 1,
    caractérisée en ce que la partie inférieure (28) et/ou la partie supérieure (30) de la tête porteuse (18) comporte un dispositif de positionnement (36, 38) au moyen duquel la position relative entre la partie inférieure et la partie supérieure est fixée.
  3. Tête porteuse selon la revendication 1 ou 2,
    caractérisée en ce que la surface d'appui de la tête porteuse (18) est réalisée réglable.
  4. Tête porteuse selon l'une des revendications 1 à 3,
    caractérisée en ce que la tête porteuse (18) comporte au moins un canal (22) qui s'ouvre vers la surface d'appui et qui peut être relié à une source de dépression.
  5. Tête porteuse selon l'une des revendications 1 à 4,
    caractérisée en ce que la tête porteuse (18) comporte un dispositif de mesure (44) à un emplacement défini de la tête porteuse, au moyen duquel la position de la tête porteuse peut être contrôlée.
EP20040016661 2003-07-16 2004-07-15 Tête de soutien Expired - Lifetime EP1498224B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10332423 2003-07-16
DE2003132423 DE10332423B4 (de) 2003-07-16 2003-07-16 Trägerkopf

Publications (3)

Publication Number Publication Date
EP1498224A2 EP1498224A2 (fr) 2005-01-19
EP1498224A3 EP1498224A3 (fr) 2009-07-22
EP1498224B1 true EP1498224B1 (fr) 2013-11-13

Family

ID=33461967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040016661 Expired - Lifetime EP1498224B1 (fr) 2003-07-16 2004-07-15 Tête de soutien

Country Status (3)

Country Link
EP (1) EP1498224B1 (fr)
DE (1) DE10332423B4 (fr)
ES (1) ES2444638T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009020313B4 (de) * 2009-04-30 2012-11-08 Junker & Partner Gmbh Vorrichtung zum Halten eines Messobjekts in einer Referenzposition
DE102010016215A1 (de) * 2010-03-30 2011-10-06 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zum Messen der Geometrie und/oder Struktur eines Bauteils
CN102490135A (zh) * 2011-11-24 2012-06-13 天津市百利电气有限公司 桥形触头机构的装配夹具及其使用方法
DE102012209320A1 (de) * 2012-06-01 2013-12-05 Airbus Operations Gmbh Verfahren und Lagervorrichtung zum Lagern und Ausrichten eines Bauteils
CN102922265B (zh) * 2012-11-17 2015-10-28 无锡新宏泰电器科技股份有限公司 弓形板组件压接弹簧用工装夹具
DE102013103087A1 (de) * 2013-03-26 2014-10-02 G. Taube Modellbau Cad Service Gmbh Elektronisch steuerbare Universal-Messaufnahme
CN104589246B (zh) * 2015-01-04 2017-01-11 苏州市新鸿基精密部品有限公司 Cmm检测快速检验工装
CN111993315B (zh) * 2020-08-31 2023-01-20 湛江德利车辆部件有限公司 一种装夹装置、检测方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19648864C2 (de) * 1996-11-12 2000-09-07 Helmut Piko Positionierverfahren und Positioniersystem
DE29911395U1 (de) * 1999-05-03 2000-09-07 Junker & Partner GmbH, 66636 Tholey Halterungssystem für die Anordnung von Werkstücken
DE10023598A1 (de) 2000-05-15 2001-11-22 Junker & Partner Gmbh Trägerkopf für eine Halterungsvorrichtung zur Halterung eines Werkstücks
DE10023597A1 (de) * 2000-05-15 2001-11-22 Junker & Partner Gmbh Halterungselement
DE10111834B4 (de) * 2001-03-13 2011-02-03 Junker & Partner Gmbh Halterungsvorrichtung

Also Published As

Publication number Publication date
DE10332423B4 (de) 2012-08-23
DE10332423A1 (de) 2005-02-03
ES2444638T3 (es) 2014-02-26
EP1498224A3 (fr) 2009-07-22
EP1498224A2 (fr) 2005-01-19

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