WO2019016311A1 - Dispositif de retenue - Google Patents

Dispositif de retenue Download PDF

Info

Publication number
WO2019016311A1
WO2019016311A1 PCT/EP2018/069620 EP2018069620W WO2019016311A1 WO 2019016311 A1 WO2019016311 A1 WO 2019016311A1 EP 2018069620 W EP2018069620 W EP 2018069620W WO 2019016311 A1 WO2019016311 A1 WO 2019016311A1
Authority
WO
WIPO (PCT)
Prior art keywords
holding device
receiving portion
objects
deformable
holding
Prior art date
Application number
PCT/EP2018/069620
Other languages
German (de)
English (en)
Inventor
Thomas Bettermann
Original Assignee
Homag Bohrsysteme 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 Homag Bohrsysteme Gmbh filed Critical Homag Bohrsysteme Gmbh
Priority to EP18743773.6A priority Critical patent/EP3655194A1/fr
Publication of WO2019016311A1 publication Critical patent/WO2019016311A1/fr

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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/04—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces
    • B24B21/10—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces involving a rigid member, e.g. pressure bar, table, pressing or supporting the belt over substantially its whole span
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
    • B23Q3/154—Stationary devices
    • B23Q3/1543—Stationary devices using electromagnets
    • 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
    • B24B21/008—Machines comprising two or more tools or having several working posts
    • 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0069—Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • 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 present invention relates to a holding device for an object to be machined on a surface, in particular to be ground, or a plurality of objects to be processed, in particular to be ground, on a respective surface, with which the object or objects defined by a processing machine, in particular a grinding machine, how a wide belt sander can or can be guided.
  • Such a workpiece may be a comparatively small article which can not be guided and ground without special measures by a grinding machine, such as a wide-belt sanding machine.
  • a grinding machine such as a wide-belt sanding machine.
  • the template includes openings that correspond to the outer dimensions of the objects to be held.
  • Such a template makes it possible to guide small parts through a grinding machine, without them performing an undesired relative movement to the abrasive during processing, for example, tilt, or that the small parts are even ejected from the grinding machine during machining.
  • claim 1 provides a corresponding holding device. Further preferred embodiments are listed in the dependent claims. Furthermore, the invention relates to the use of a holding device according to claim 9. Features of the dependent device claims can be used individually within the scope of the use claim. Likewise, features of dependent claims
  • An idea of the present invention is to provide a holding device which is prepared for receiving differently dimensioned components.
  • this holding device has a
  • the holding device comprises a receiving portion for holding the at least one object, wherein the receiving portion is deformable such that the Receiving portion can enclose the object at least partially on a side surface of the article.
  • the holding device according to the invention has the advantage that it is flexible and can be reused for differently sized objects. Furthermore, if appropriate, a plurality of rather small-sized objects can be received in the holding device and processed together.
  • the article or articles consist at least partially of wood, wood-based material, plastic or non-magnetic metals.
  • the receiving portion is an adaptive mass, preferably rheological fluid, in particular an electrorheological
  • the receiving portion can be adapted to one or more objects and hold them if necessary.
  • Receiving portion have a deformable mass, which is optionally covered or surrounded with a release layer, such as a film.
  • a release layer such as a film.
  • Particularly preferred may be a magnetically solidifiable, Knetmassenartiges material that applies a holding force for holding an object when applying a magnetic field.
  • Such a deformable mass is easy to handle and can be integrated on a holding device.
  • the deformable mass is covered or surrounded by a foil
  • an improved separation between deformable material and an object received by the holding device is ensured.
  • it may be a ferromagnetic plasticine. This is particularly easy to handle and inexpensive.
  • a voltage source or an activatable magnetic field is provided in or on the holding device.
  • the means for adjusting the receiving portion is integrated into the holding device.
  • An embodiment of the invention provides a holding device in which the holding device comprises a sensor unit in order to determine a force acting on the at least one object when holding the object by the receiving portion.
  • the functionality of the holding device can be extended, wherein the detection of the force also offers advantages in quality assurance.
  • the holding device further comprises a rigid support portion. This can support the receiving section and hold if necessary.
  • the carrier portion provides a support area for one or more articles, wherein the support area preferably has a plurality of elevations.
  • a reference plane is provided by the support area.
  • the object rests on the elevations, then it is possible that during the deformation of the receiving section, in particular if the receiving section comprises a liquid or a deformable mass, parts of the receiving section can soften better when an article is pressed in, so as to release the elevations.
  • the elevations may preferably define a reference plane.
  • a specific holding device and its reference plane be stored such that the stored reference plane is the basis of the machining program.
  • the processing machine in particular the grinding machine, be equipped with a detection device with which a holding device is detected. Based on the detected holding device, the control device determines the reference plane on which rest the objects to be processed.
  • the security can be further increased.
  • the carrier portion of the holding device may comprise a peripheral edge.
  • the receiving section can be recorded. This is particularly advantageous if the receiving portion comprises a liquid, since the peripheral edge provides a border for the receiving portion.
  • the invention relates to the use, wherein in the context of use, the aforementioned aspects can be used individually or in combination. It is preferably one or more objects of at least partially processed wood, wood material, plastic or non-magnetic metals, in particular ground.
  • a method using a retainer comprises receiving one or more articles on the receiving section, and machining, in particular grinding, the article or articles.
  • preference is given to using articles made of at least partially wood, wood-based material, plastic or non-magnetic metals.
  • Fig. 1 is a schematic side view showing a
  • FIG. 2 is a schematic perspective view of FIG.
  • Figure 1 shown grinding machine.
  • Fig. 3 is a partial perspective sectional view illustrating an embodiment of a holding device according to the invention.
  • Fig. 4 shows the holding device shown in Fig. 3, wherein the receiving portion has been omitted.
  • FIG. 1 shows a schematic side view of a grinding machine, preferably a wide-belt sanding machine, which has a first grinding unit 10 and a second grinding unit 20.
  • a perspective view of the grinding machine shown in Fig. 1 is provided by Fig. 2.
  • the grinding units in the figures are merely to be considered as an example and can be replaced by other grinding units, for example
  • Cross belt sanding unit a disc brush unit or similar.
  • the first grinding aggregate 10 a so-called contact roller aggregate, comprises a contact roller 11, a deflecting roller 12 and a first grinding belt 13 revolving around these rollers.
  • the second grinding unit 20 which is arranged downstream of the first grinding unit 10 in the direction of passage D, comprises a calibrating roller 21, a lower deflecting roller 22 and an upper deflecting roller 23. Between the calibrating roller 21 and the lower deflecting roller 22 a so-called pressure bar 24 is arranged, with which the around the rollers 21-23 circulating second abrasive belt 25 against a workpiece, or as described below, against by a holding device
  • 100 held objects B can be pressed.
  • the holding device 100 described in more detail below is guided by a conveying means 30, which in the present embodiment is a circulating conveyor belt, past the first grinding unit 10 and the second grinding unit 20 in order to carry out the grinding operation described later.
  • a conveying means 30, which in the present embodiment is a circulating conveyor belt, past the first grinding unit 10 and the second grinding unit 20 in order to carry out the grinding operation described later.
  • FIGS. 1 and 2 show two holding devices 100.
  • FIGS. 3 and 4 each show a partial sectional view of the holding device 100 in order to be able to more clearly depict the reception of objects B by the holding device.
  • the holding device 100 comprises a support section 101 (support plate), which is made of a rigid material, and a receiving portion 102, which on the support portion
  • the support portion 101 is fixed.
  • the support portion 101 forms a Peripheral edge 103, which limits the receiving portion 102 laterally.
  • the receiving portion 102 is formed in the present embodiment by a sheath which receives an electrorheological or a magnetorheological fluid.
  • the receiving portion 102 is formed by a sheath with a rheological fluid, objects B to be ground (in particular plate-shaped objects) can be placed on the receiving portion 102 and pressed into the receiving portion 102 in sections.
  • the receiving portion 102 at least partially encloses a side surface of the objects B, in particular partially in the height of the side surface and at least partially in the periphery of the side surface.
  • a flat support region 101a of the support section 101 on the side facing the receiving section 102 within the peripheral edge 103 can to a certain extent serve as a reference plane.
  • the support area 101a has, as shown in Figures 3 and 4, a plurality of elevations, which serve as support points for the objects B. In this way, the displacement of the rheological fluid of the
  • Receiving section 102 when pressing the objects B facilitates.
  • the electro-rheological fluid accommodated in the casing can be solidified by applying a voltage, so that the objects B are fixed at the corresponding positions of the holding device 100.
  • the articles B can be of different thickness to some extent (thickness tolerance). This Difference is compensated during ablation / grinding.
  • the objects are pressed so deep into the pillow that there is essentially no liquid or only a uniform film under a respective object.
  • the articles B applied to the support portion 101a can be positioned by means of a press.
  • the holding device 100 is placed with the objects B on the conveyor belt 100 of the grinding machine and conveyed in the direction of passage D below the grinding units 10, 20 along.
  • the grinding units 10, 20 carry out the grinding operations on the objects B without them being able to slip or tilt.
  • the electric voltage applied to the electrorheological fluid can be canceled, thereby returning the receiving portion 102 to a flexible state.
  • the articles B can be easily removed from the holding device 100.
  • the accommodating portion 102 is formed by a shell having an electrorheological fluid, it is alternatively possible to use a magnetorheological fluid.
  • a magnetorheological fluid solidifies when exposed to a magnetic field.
  • the receiving portion 102 may be formed by a deformable material, for example in the form of a plasticine, which undergoes a deformation by applying a certain force when pressing the components B, while enclosing the depressed components in sections.
  • a plasticine with ferromagnetic properties as proved particularly suitable. The deformed material exerts a holding force on the side surfaces of the objects to be held.
  • a release layer such as a film. In this way, an improved separation between deformable material and an object B received by the holding device 100 can be ensured.
  • abrasive machining has been described in the present embodiment, other material-removing machining or surface treatment may be performed on the articles B according to other embodiments.
  • the surfaces of the objects can be milled flat.
  • a surface treatment for example, a lacquer layer can be applied, in particular with a roller.

Abstract

La présente invention concerne un dispositif de retenue pour un objet dont une surface est à usiner, en particulier à poncer, ou pour plusieurs objets dont une surface respective est à usiner, en particulier à poncer. Le dispositif permet de guider le ou les objets de manière définie à travers une machine d'usinage, en particulier une ponceuse, telle qu'une ponceuse à large bande.
PCT/EP2018/069620 2017-07-20 2018-07-19 Dispositif de retenue WO2019016311A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18743773.6A EP3655194A1 (fr) 2017-07-20 2018-07-19 Dispositif de retenue

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017116369.7A DE102017116369A1 (de) 2017-07-20 2017-07-20 Haltevorrichtung
DE102017116369.7 2017-07-20

Publications (1)

Publication Number Publication Date
WO2019016311A1 true WO2019016311A1 (fr) 2019-01-24

Family

ID=62986105

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/069620 WO2019016311A1 (fr) 2017-07-20 2018-07-19 Dispositif de retenue

Country Status (3)

Country Link
EP (1) EP3655194A1 (fr)
DE (1) DE102017116369A1 (fr)
WO (1) WO2019016311A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110561235A (zh) * 2019-08-27 2019-12-13 雅视特科技（杭州）有限公司 全自动立式铸件表面打磨机及其操作方法
CN113751257A (zh) * 2021-07-21 2021-12-07 卜好威 一种五金配件的喷涂装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114654376B (zh) * 2022-03-13 2023-06-02 浙江师范大学 一种磨头自修复的磁流变抛光装置

Citations (9)

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Publication number Priority date Publication date Assignee Title
US3660949A (en) * 1970-04-20 1972-05-09 Norton Co Work holder for irregular shaped workpieces
DE2542052A1 (de) * 1974-12-31 1976-07-08 Ibm Quasi-fluide einspannvorrichtung
DE4442181C1 (de) * 1994-11-26 1995-10-26 Loh Optikmaschinen Ag Werkzeug zur Feinbearbeitung optischer Flächen
JPH09207039A (ja) * 1996-01-31 1997-08-12 Fujikura Kasei Co Ltd 保持装置
US6267364B1 (en) * 1999-07-19 2001-07-31 Xuesong Zhang Magnetorheological fluids workpiece holding apparatus and method
US20040110452A1 (en) * 2002-12-04 2004-06-10 Alex Incera Method and apparatus for holding or mounting an object
DE102009051849A1 (de) * 2009-10-28 2011-05-05 Nagel Maschinen- Und Werkzeugfabrik Gmbh Verfahren zum Spannen eines Werkstücks und Werkstückaufnahmevorrichtung hierfür
JP4771421B2 (ja) * 2006-08-16 2011-09-14 株式会社アルバック 保持装置及び基板受け渡し方法
DE102017201970A1 (de) * 2017-02-08 2018-08-09 Weeke Bohrsysteme Gmbh Schleifeinsatz sowie Schleifmaschine

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DE29809413U1 (de) * 1998-05-15 1998-10-29 Endert Marc Van Spannvorrichtung für Werkzeugmaschinen
DE10244867B4 (de) * 2002-09-23 2004-12-30 Technische Universität Berlin Einrichtung zum Positionieren eines Körpers
FR2931379B1 (fr) * 2008-05-20 2010-12-10 Sermas Ind Dispositif de maintien d'un lingot pour la realisation de decoupes
DE102015112772A1 (de) * 2014-08-19 2016-02-25 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Anpassbare magnetische Haltevorrichtung

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660949A (en) * 1970-04-20 1972-05-09 Norton Co Work holder for irregular shaped workpieces
DE2542052A1 (de) * 1974-12-31 1976-07-08 Ibm Quasi-fluide einspannvorrichtung
DE4442181C1 (de) * 1994-11-26 1995-10-26 Loh Optikmaschinen Ag Werkzeug zur Feinbearbeitung optischer Flächen
JPH09207039A (ja) * 1996-01-31 1997-08-12 Fujikura Kasei Co Ltd 保持装置
US6267364B1 (en) * 1999-07-19 2001-07-31 Xuesong Zhang Magnetorheological fluids workpiece holding apparatus and method
US20040110452A1 (en) * 2002-12-04 2004-06-10 Alex Incera Method and apparatus for holding or mounting an object
JP4771421B2 (ja) * 2006-08-16 2011-09-14 株式会社アルバック 保持装置及び基板受け渡し方法
DE102009051849A1 (de) * 2009-10-28 2011-05-05 Nagel Maschinen- Und Werkzeugfabrik Gmbh Verfahren zum Spannen eines Werkstücks und Werkstückaufnahmevorrichtung hierfür
DE102017201970A1 (de) * 2017-02-08 2018-08-09 Weeke Bohrsysteme Gmbh Schleifeinsatz sowie Schleifmaschine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110561235A (zh) * 2019-08-27 2019-12-13 雅视特科技（杭州）有限公司 全自动立式铸件表面打磨机及其操作方法
CN110561235B (zh) * 2019-08-27 2023-08-29 雅视特科技（杭州）有限公司 全自动立式铸件表面打磨机及其操作方法
CN113751257A (zh) * 2021-07-21 2021-12-07 卜好威 一种五金配件的喷涂装置

Also Published As

Publication number Publication date
EP3655194A1 (fr) 2020-05-27
DE102017116369A1 (de) 2019-01-24

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