WO2008089915A1 - Dispositif pour acheminer des barres de matériau à une machine-outil - Google Patents

Dispositif pour acheminer des barres de matériau à une machine-outil Download PDF

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Publication number
WO2008089915A1
WO2008089915A1 PCT/EP2008/000344 EP2008000344W WO2008089915A1 WO 2008089915 A1 WO2008089915 A1 WO 2008089915A1 EP 2008000344 W EP2008000344 W EP 2008000344W WO 2008089915 A1 WO2008089915 A1 WO 2008089915A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide
elements
guiding
longitudinal axis
guide elements
Prior art date
Application number
PCT/EP2008/000344
Other languages
German (de)
English (en)
Inventor
Roland Breuning
Original Assignee
Kurt Breuning Irco-Maschinenbau 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 Kurt Breuning Irco-Maschinenbau Gmbh filed Critical Kurt Breuning Irco-Maschinenbau Gmbh
Priority to EP08707109A priority Critical patent/EP2111318A1/fr
Publication of WO2008089915A1 publication Critical patent/WO2008089915A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B13/00—Arrangements for automatically conveying or chucking or guiding stock
    • B23B13/02—Arrangements for automatically conveying or chucking or guiding stock for turning-machines with a single working-spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B13/00—Arrangements for automatically conveying or chucking or guiding stock
    • B23B13/08—Arrangements for reducing vibrations in feeding-passages or for damping noise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B13/00—Arrangements for automatically conveying or chucking or guiding stock
    • B23B13/12—Accessories, e.g. stops, grippers
    • B23B13/123—Grippers, pushers or guiding tubes

Definitions

  • Material bar feeder for feeding bars of material to a
  • the invention relates to a material bar feeding device for feeding bars of material to a machine tool, with guide elements for guiding bars of material, wherein the guide elements for guiding the bars of material with different diameters are displaceable transversely to a longitudinal axis.
  • the material bar feeder disclosed in this document has guide elements which serve to guide bars of material. Every leadership ment has two halves, namely an upper and a lower half, which are displaceable transversely to a longitudinal axis. On each half a plurality of regularly spaced elements are provided, in each of which an approximately semicircular recess is formed.
  • Each element is axially spaced from an adjacent element so that there are gaps between two adjacent elements.
  • the elements of the upper half are arranged in mirror image to the elements of the lower half and are axially offset so that an element of the upper half comes to lie in a gap between two adjacent elements of the lower halves.
  • the semicircular recesses of the elements of the lower and the upper half define a "guide channel” for a material bar to be processed, this "guide channel” is not completely enclosed over its entire length but only partially by the elements of the two parts.
  • This construction serves to move the two halves towards each other in order to reduce the effective cross section of the "guide channel.”
  • the protruding elements, one half of them, enter the gaps between the projecting elements of the opposite half.
  • a lubricant for example, an oil supplied to the guide channel so that the rod rotates in a surrounding lubricant film to reduce friction and noise reduction.
  • each guide element is designed as an axial longitudinal section of a guide tube completely enclosing a guide tube, and that the guide elements for changing the effective cross section of the guide channel are displaceable alternately transversely to a longitudinal axis.
  • each guide element provides a circumferentially closed guide channel. Due to the juxtaposition of the guide elements, which each represent an axial longitudinal section of the guide tube, arises overall seen a circumferentially closed guide channel.
  • This guide channel remains closed even after reducing its effective cross-section, which is effected by an alternating transverse displacement of the guide elements.
  • the guide channel is constantly flooded by the lubricant.
  • the lubricant present in the guide channel for example oil, forms a lubricant or oil layer between the inner wall of the guide channel and the material bar.
  • the sickle-like clearances in the individual guide element sections which arise after displacement and supply of a smaller diameter rod can be completely filled with lubricant.
  • the rotating bar of material does not come into direct contact with the inner wall of the guide channel, resulting in that the friction and noise is substantially reduced.
  • the guide element is integrally formed.
  • This measure has the advantage that when feeding short rods, a one-piece guide element can be used.
  • the device works as a backloader, and the individual guide elements are easy to manufacture.
  • the guide element on two halves, which can be lifted from each other.
  • one half in particular the upper half of the guide element, can be lifted off the other.
  • a mechanism for displacing the guide elements transversely to a longitudinal axis is present.
  • This measure has the advantage that the displacement of the guide elements via the mechanism can be automated and controlled. As a result, with short changeover times, material rods with different diameters can be fed to the material bar supply device according to the invention to a machine tool.
  • the guide elements are displaced independently of each other by the mechanism.
  • the two halves of the guide element can be lifted by the mechanism from each other.
  • This measure has the advantage that the mechanism serves both for displacing the guide elements transversely to the longitudinal axis and for lifting the two halves of the guide element from one another in order to insert a material bar to be processed into the guide channel.
  • this mechanism has a dual function, whereby the Materialstangenzu Wikipediavoroplasty invention is structurally simple and requires fewer parts for the various functions.
  • the mechanism with compressed air can be actuated.
  • 1 is a highly schematic perspective view of two successively arranged guide elements with a maximum diameter of the guide channel
  • FIG. 1 is an end view of the arrangement of Fig. 1,
  • FIG. 3 shows a representation comparable to FIG. 1, the guide elements being displaced transversely to the longitudinal axis in order to reduce the diameter of the guide channel, FIG.
  • FIG. 4 is an end view of the arrangement of Fig. 3,
  • FIG. 5 is a partially sectioned front view of another embodiment of the guide member having two halves
  • Fig. 6 is a similar to FIG. 5 representation, wherein the two halves of
  • FIG. 7 is a highly schematic side view of a material rod feeding device according to the invention
  • FIG. 8 shows a representation comparable to FIG. 7, with guide elements arranged one behind the other being displaced alternately transversely to the longitudinal axis,
  • Each guide element 12, 14 is formed as an axial longitudinal section 16, 18 of a guide tube 20 which completely surrounds a guide channel 22.
  • the two guide elements 12, 14 are about their end faces 13, 15 close to each other and are only slightly separated from each other for explanatory purposes.
  • the one-piece guide elements 12, 14 is in each case a continuous, designed as a bore channel 24, 26 for a processed material bar 28 passes through, which is only partially shown here.
  • the channels 24, 26 of the successive guide elements 12, 14 form the guide channel 22nd
  • Each channel 24, 26 has an unchangeable maximum cross-section Q m ax, which is circular.
  • the maximum cross section the channels 24, 26, corresponds to the maximum cross section GW of the guide channel 22, when the guide elements 12, 14 are arranged in alignment one behind the other, as can be seen in particular from the illustration of FIG.
  • the guide elements 12, 14 are designed such that they completely surround the channels 24, 26 forming the guide channel 22.
  • the successively arranged guide elements 12, 14 are transversely displaceable relative to the longitudinal axis 29 of the material bar 28 to be processed, as can be seen in particular from the illustration of FIG. 3.
  • the move is performed by a mechanism which will be described later.
  • a guide channel 42 is formed by the channels 24, 26, which has an effective cross-section Q w of the maximum cross-section Qnax to the displacement to the longitudinal axis 29, ie, for 2 mm, deviates, as is apparent from Fig. 4.
  • the effective cross-section Q "of the guide channel 42 which is approximately lens-shaped, corresponds to a diameter of the material bar 36 which has a smaller diameter (for example, around 4 mm) than the material bar 28.
  • the material bar 36 of smaller diameter is guided alternately on the respectively underlying peripheral surface by the raised guide element 14 or on the respectively upper peripheral surface by the lowered guide element 12.
  • This alternating guidance is sufficient sufficiently guide the material bars of different diameters.
  • a circumferentially closed continuous guide channel is obtained in which the lubricant is added.
  • the maximum displacement of the guide elements is determined by the maximum cross-section Q n13x , the length and the material properties of the material bars .
  • the axial length of the guide elements also depends on it and is adapted in each case to the bandwidth of the different material bars to be supplied.
  • Length sections in the range of 100 to 500 mm can be realized.
  • FIG. 5 and 6 another embodiment of a guide member 50 is shown.
  • the guide member 50 is also formed as an axial longitudinal portion 52 of a guide tube which completely surrounds a guide channel.
  • the guide member 50 has two halves, namely an upper half 54 and a lower half 56. In each half 54, 56 a semicircular recess 58, 60 is present. The recesses 58, 60 of the halves 54, 56 of the guide element 50 form a channel 62.
  • the channel 62 forms with the channels of further arranged behind, not shown here, guide elements, which are the same as the guide member 50, a fully enclosed by the guide elements guide channel for a material bar.
  • Each half 54 and 56 is connected to a compressed air controlled piston / cylinder unit 55 and 57, which are connected via control lines to a controller 59.
  • the entire guide member 50 are moved, as indicated by the double arrow 64.
  • the upper half 54 can be lifted from the lower half 56, as shown in Fig. 6.
  • the material bar 72 can be supplied from a lateral loading magazine 70.
  • An inclined surface 78 is equipped with the material bars 72.
  • a finger 80 separates the material bars 72, releases the singulated material bar 72, so that it is placed in the lower half 56, as indicated by the arrow 74.
  • Each of the guide elements 92 to 102 may have a length of between 10 to 50 cm.
  • the number and size of the guide elements arranged one behind the other can be varied. Both the number and the size depend on the length and material of the material bars to be processed.
  • the guide elements 92 to 102 are arranged in alignment at a height one behind the other. As a result, it is achieved that the guide channel formed by the guide elements 92 to 102 has its maximum cross section CW. Between two adjacent guide elements in each case a surface seal is provided to accomplish a closed and sealed at its entire length guide channel.
  • each half of the two-part guide elements 92 to 102 is connected to a compressed-air-operated piston / cylinder unit which can be controlled individually via a control 105.
  • the guide elements 92 to 102 are alternately displaced transversely to a longitudinal axis of a material bar to be processed. This creates a guide channel with a smaller diameter Q w .
  • the height position 108 of the longitudinal axis 29 remains unchanged, so that material rods of different diameters are always fed coaxially to the longitudinal axis 29 of a machine tool.
  • one or more guide elements preferably the guide elements which are arranged in the middle of the material bar feeder 10 according to the invention, can be displaced slightly more upwards or downwards, whereby the bar is straightened.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)

Abstract

L'invention concerne un dispositif (10) pour acheminer des barres de matériau à une machine-outil, qui comprend des éléments de guidage (92 - 102) pour guider des barres de matériau. Ces éléments de guidage pour guider des barres de matériau de diamètres différents peuvent être déplacés transversalement à un axe longitudinal (29). Conformément à l'invention, chaque élément de guidage est réalisé sous la forme d'une partie longitudinale axiale d'un tube de guidage entourant complètement un canal de guidage et les éléments de guidage (92 - 102) peuvent être déplacés en alternance transversalement à l'axe longitudinal (29) pour réduire la section transversale efficace du canal de guidage.
PCT/EP2008/000344 2007-01-22 2008-01-17 Dispositif pour acheminer des barres de matériau à une machine-outil WO2008089915A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08707109A EP2111318A1 (fr) 2007-01-22 2008-01-17 Dispositif pour acheminer des barres de matériau à une machine-outil

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007004726A DE102007004726A1 (de) 2007-01-22 2007-01-22 Materialstangenzuführvorrichtung zum Zuführen von Materialstangen zu einer Werkzeugmaschine
DE102007004726.8 2007-01-22

Publications (1)

Publication Number Publication Date
WO2008089915A1 true WO2008089915A1 (fr) 2008-07-31

Family

ID=39271272

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/000344 WO2008089915A1 (fr) 2007-01-22 2008-01-17 Dispositif pour acheminer des barres de matériau à une machine-outil

Country Status (3)

Country Link
EP (1) EP2111318A1 (fr)
DE (1) DE102007004726A1 (fr)
WO (1) WO2008089915A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016539815A (ja) * 2013-12-11 2016-12-22 エルエヌエス マネジメント ソシエテ アノニム 棒送り装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700104231A1 (it) * 2017-09-18 2019-03-18 Top Automazioni S R L Apparato per alimentare barre
IT201700104246A1 (it) * 2017-09-18 2019-03-18 Top Automazioni S R L Apparato per alimentare barre
IT201800003160A1 (it) * 2018-03-01 2019-09-01 Drehmag S R L Dispositivi per l'alimentazione di barre ad un tornio
DE202021001483U1 (de) 2021-04-22 2021-10-18 Mario Köhler Vorrichtungzur Bündelung von Materialstangen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134601A (ja) * 1983-01-19 1984-08-02 Ikura Seiki Seisakusho:Kk バ−材の回転振れ止め装置
DE3733934A1 (de) 1986-10-24 1988-04-28 Alps Tool Kk Vorrichtung zum drehbaren halten und zufuehren eines langgestreckten stabes
EP0384344A2 (fr) * 1989-02-22 1990-08-29 CUCCHI GIOVANNI & C. S.r.l. Dispositif d'avance barre pour machine outil
EP0485902A1 (fr) * 1990-11-12 1992-05-20 CUCCHI GIOVANNI & C. S.r.l. Dispositif de guidage de barres auto-centrant
EP0850714A1 (fr) 1996-12-23 1998-07-01 PIETRO CUCCHI S.p.A. Dispositif de centrage de barre pour un embarreur de tour automatique
EP0901855A2 (fr) * 1997-09-09 1999-03-17 IEMCA Giuliani Macchine Italia S.p.A. Dispositif de guidage d'une barre à la sortie d'un dispositif d'alimentation de barres

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134601A (ja) * 1983-01-19 1984-08-02 Ikura Seiki Seisakusho:Kk バ−材の回転振れ止め装置
DE3733934A1 (de) 1986-10-24 1988-04-28 Alps Tool Kk Vorrichtung zum drehbaren halten und zufuehren eines langgestreckten stabes
EP0384344A2 (fr) * 1989-02-22 1990-08-29 CUCCHI GIOVANNI & C. S.r.l. Dispositif d'avance barre pour machine outil
EP0485902A1 (fr) * 1990-11-12 1992-05-20 CUCCHI GIOVANNI & C. S.r.l. Dispositif de guidage de barres auto-centrant
EP0850714A1 (fr) 1996-12-23 1998-07-01 PIETRO CUCCHI S.p.A. Dispositif de centrage de barre pour un embarreur de tour automatique
EP0901855A2 (fr) * 1997-09-09 1999-03-17 IEMCA Giuliani Macchine Italia S.p.A. Dispositif de guidage d'une barre à la sortie d'un dispositif d'alimentation de barres

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2111318A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016539815A (ja) * 2013-12-11 2016-12-22 エルエヌエス マネジメント ソシエテ アノニム 棒送り装置

Also Published As

Publication number Publication date
DE102007004726A1 (de) 2008-07-31
EP2111318A1 (fr) 2009-10-28

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