EP2796257A1 - Centre d'usinage vertical - Google Patents

Centre d'usinage vertical Download PDF

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Publication number
EP2796257A1
EP2796257A1 EP20130165552 EP13165552A EP2796257A1 EP 2796257 A1 EP2796257 A1 EP 2796257A1 EP 20130165552 EP20130165552 EP 20130165552 EP 13165552 A EP13165552 A EP 13165552A EP 2796257 A1 EP2796257 A1 EP 2796257A1
Authority
EP
European Patent Office
Prior art keywords
workpiece
suction head
machining center
vertical machining
support wall
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
EP20130165552
Other languages
German (de)
English (en)
Other versions
EP2796257B1 (fr
Inventor
Dietmar Lippert
Jochen Stolz
Denis Lorber
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.)
Holz Her GmbH
Original Assignee
Holz Her 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 Holz Her GmbH filed Critical Holz Her GmbH
Priority to ES13165552.4T priority Critical patent/ES2638151T3/es
Priority to EP13165552.4A priority patent/EP2796257B1/fr
Publication of EP2796257A1 publication Critical patent/EP2796257A1/fr
Application granted granted Critical
Publication of EP2796257B1 publication Critical patent/EP2796257B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C9/00—Multi-purpose machines; Universal machines; Equipment therefor
    • B27C9/04—Multi-purpose machines; Universal machines; Equipment therefor with a plurality of working spindles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes

Definitions

  • the invention relates to a vertical machining center with a support wall for supporting a workpiece whose horizontal longitudinal direction defines an X-direction and whose vertical orientation defines a Y-direction, as well as with a arranged at the lower end of the support wall workpiece carrier on which the workpiece is placed, and with a processing head movable in the Y direction along a guide bar with a plurality of processing units movable perpendicularly to the support wall, and with a transport device for moving the workpiece in the X direction along the workpiece carrier, wherein the transport device has at least one holding member for fixing the workpiece to the transport device.
  • machining centers are used in particular for the machining of plate-shaped workpieces, for example for the processing of boards made of wood and wood substitutes, especially chipboard.
  • the machining centers have a slightly inclined to the vertical support wall, which is often formed in the manner of a support grid, for supporting the workpiece, which can be placed on a arranged at the lower end of the support wall workpiece carrier.
  • the horizontal longitudinal orientation of the support wall defines an X-direction and the vertical orientation of the support wall defines a Y-direction.
  • the surface normal of the support wall defines a Z-direction.
  • the workpiece can be moved along the workpiece carrier in the X direction.
  • the machining centers have a transport device with at least one holding member, by means of which the workpiece can be fixed to the transport device.
  • the machining centers have a machining head which can be moved along a guide beam in the Y direction and carries a plurality of machining units that can be moved in the Z direction, that is perpendicular to the plane defined by the support wall.
  • processing units for example, drilling and milling units can be used.
  • machining centers also have a tool magazine which is equipped with interchangeable tools that can be used in the processing units optionally and can be replaced if necessary.
  • the workpiece can be moved in a predetermined position in the X direction and then processed, but the workpiece can also be edited during its movement in the X direction.
  • pliers-like holding members which engage around the workpiece at a lower, the workpiece carrier facing end side.
  • the pincer-like holding members By means of the pincer-like holding members, the workpiece can be reliably detected, however, there is the disadvantage in such holding members that the lower end side can not be processed continuously, but it is necessary in the processing of the lower end face to change the position of the pincer-like holding member relative to the workpiece , This complicates the machining of the workpiece and has the consequence that the processing time is extended.
  • Object of the present invention is to develop a vertical machining center of the generic type such that the lower end face of the workpiece can be processed in less time.
  • the at least one holding member is designed as a suction head, which is acted upon for fixing the workpiece to the transport device with negative pressure.
  • the idea flows in that a machining of all end faces of the workpiece, including the lower end side, can be done within a shorter time by holding members are used for fixing the workpiece to the transport means, the workpiece not at its end faces but at his facing the supporting wall Capture the back.
  • the at least one retaining member in the form of a suction head is configured.
  • suction heads are known per se to those skilled in the art. They have at least one suction surface, which can be acted upon by negative pressure and to which the workpiece to be detected can be applied.
  • the workpiece is thus sucked by the suction head and can be pressed by means of the suction head against the support wall and fixed to the movable in the X direction transport device.
  • the reference to the movement of the workpiece in the X direction front and rear end faces of the workpiece are thus affected by the support member as little as the upper and lower support sides. All faces can be processed unhindered, for example, be milled.
  • the transport device on a movable along the support wall transport carriage on which the at least one suction head is held.
  • the transport carriage is preferably arranged between a supporting wall forming the support grid and the workpiece carrier. In the area between the support grid and the workpiece carrier, the transport carriage can be moved in the X direction.
  • the guide device can have at least one guide profile against which the transport carriage slidably rests.
  • the transport carriage by means of a hydraulic, pneumatic or electric main drive is movable.
  • the transport carriage can be moved by means of a servomotor. This allows in a structurally simple manner a precise positioning of the transport carriage and thus also of this fixed by means of at least one suction head workpiece.
  • the transport device has a single suction head.
  • the transport device has a plurality of suction heads, because this allows a particularly stable fixing of the workpiece to the transport device.
  • the transport device has at least two suction heads movable relative to each other. This makes it possible to adjust the distance of the suction cups to the size of each workpiece to be machined.
  • a hydraulic, pneumatic or electric auxiliary drive is used for moving a first suction head relative to a second suction head.
  • a first suction head is movable relative to a second suction head by means of a servomotor.
  • At least one first suction head is held stationary on a transport carriage movable along the support wall and at least one second suction head is held movably on the transport carriage.
  • the at least one first suction head and the at least one second suction head can be moved together along the support wall by means of the transport carriage, and to adapt the distance between the at least one first suction head and the at least one second suction head to the size of the workpiece, the at least one second suction head Suction head relative to the transport carriage and thus also be moved relative to the stationary first suction head.
  • a guide device is arranged on the transport carriage, along which the at least one second suction head can be moved.
  • guide means for example, at least one guide profile can be used.
  • the at least one second suction head can be fixed in a fixed position relative to the support wall and the at least one first suction head can be moved together with the transport carriage relative to the support wall.
  • Such a configuration makes it possible to move the at least one second suction head relative to the first suction head without the use of an auxiliary drive.
  • the at least one second suction head can first be moved by means of the transport carriage into a predetermined position. In this position, the at least one second suction head can then be fixed by means of a locking device of the machining center relative to the support wall stationary, for example, on a machine frame.
  • the transport carriage together with the at least one first, stationary on the transport carriage suction head by means of a hydraulic, pneumatic or electric main drive relative to the support wall in the X direction.
  • the distance between the at least one second suction head and the at least one first suction head can be adjusted to the desired level, and then the locking of the at least one second suction head relative to the support wall can be canceled, so that in a further movement of Transport carriage, the at least one second suction head is moved together with the first suction head, wherein the at least one second suction head has the desired distance to the first suction head.
  • the fixing of the workpiece on the suction head is effected by subjecting a suction surface of the suction head to negative pressure.
  • the suction head has a single suction surface. It is particularly advantageous if the suction head has a plurality of spaced apart suction surfaces, which with negative pressure can be acted upon. For example, it can be provided that the suction head has two suction surfaces. This allows a large-area detection of the workpiece.
  • At least one suction head has two suction surfaces of different sizes.
  • a first suction surface may be configured at least twice as large as a second suction surface of the suction head.
  • the suction surfaces are freely configurable.
  • the vertical machining center has at least one holding member for fixing the workpiece on the workpiece carrier.
  • This makes it possible to release the fixation of the workpiece on the transport carriage so that the transport carriage can be moved relative to the workpiece into a second holding position from a first holding position, in which the at least one suction head fixes the workpiece on the transport carriage, in which the at least one Suction head in changed relative position again fixes the workpiece.
  • the workpiece can be fixedly fixed on the workpiece carrier with the aid of the at least one holding member, so that the workpiece does not unintentionally change its position during the relative movement of the transport slide.
  • the at least one retaining member is preferably designed in the manner of a pair of pliers.
  • the at least one retaining member is designed as a suction head.
  • the suction head can be subjected to negative pressure.
  • the at least one holding member can be changed in its position relative to the workpiece carrier. This makes it possible to adapt the position of the at least one holding member to the size of the workpiece to be machined.
  • the at least one holding member can be locked, for example, on the workpiece carrier or on a machine frame or, for example, on the support wall, so that it can subsequently fix the workpiece on a relative movement of the transport slide on the workpiece carrier.
  • the at least one suction head is perpendicular to the support wall, i. in the Z direction, is movable. This makes it possible to move the at least one suction head between a suction position in which it rests against the rear side of the workpiece and a release position in which it takes a distance to the rear side of the workpiece. If the position of the transport carriage and thus also the position of the at least one suction head are changed relative to the workpiece, the at least one suction head can first be moved from its suction position to its release position, so that there is no danger that the suction head during a movement of the transport carriage the back of the workpiece is affected.
  • the drive of the at least one suction head for a movement perpendicular to the support wall for example, hydraulically, pneumatically or electrically.
  • FIG. 10 an advantageous embodiment of a vertical machining center according to the invention is shown schematically, which is generally occupied by the reference numeral 10. It comprises a machine frame 12, which carries a slightly inclined to the vertical support wall 14.
  • the support wall 14 forms a kind of support grid 16.
  • the support grid 16 is formed by a plurality of vertically oriented cross members 18, on which a plurality of horizontally oriented side members 20 are fixed.
  • On the side rails 20 are a variety supported by support rollers 22 about vertically oriented axes of rotation freely.
  • the support wall 14 is inclined at an angle of about 5 ° to about 10 ° to the vertical.
  • a workpiece carrier 24 At the lower end of the support wall 14 at a distance from this a workpiece carrier 24 is arranged, which has a plurality of support rollers 26 which are each freely rotatable about a horizontally oriented axis of rotation. On the support rollers 26, a plate-shaped workpiece to be machined 28 can be placed, which is supported with its rear side by the support rollers 22 of the support wall 14. This is going out FIG. 5 clear.
  • the horizontal longitudinal orientation of the support wall 14 defines an X direction, and the vertical orientation of the support wall 14 defines a Y direction of the vertical machining center 10.
  • a Z direction is defined by the surface normal of the support wall 14.
  • a guide bar 30 extending in the Y-direction is held on the machine frame 12, on which a machining head 32 is mounted so as to be movable back and forth in the Y-direction.
  • a plurality of processing units 34 are movably mounted in the Z direction. The processing units 34 can be moved to machine the workpiece in the Y and Z directions.
  • a tool magazine 36 is held on the machine frame 12 in front of the support wall 14, which has a plurality of tool holders 38, which can be equipped with interchangeable tools. This makes it possible to stockpile in the tool magazine 36 different tools for the processing units 34, the tools can be replaced if necessary.
  • the vertical machining center 10 has a transport device 40 with the aid of which the workpiece 28 can be moved back and forth in the X direction.
  • the transport device 40 comprises a first guide device 42 with two guide profiles 44, 46 oriented parallel to one another and in each case in the X direction.
  • a transport carriage 48 of the transport device 40 is movably mounted in the X direction on the first guide device 42.
  • the transport device 40 has a spindle 50, which can be rotated by a drive device in the form of a servomotor 52 and cooperates with the transport carriage 48.
  • the servomotor 52 By means of the servomotor 52, the transport carriage 48 can be moved back and forth along the first guide device 42.
  • the transport carriage 48 carries at its end remote from the servo motor 52 end a first suction head 54 which is held stationary on the transport carriage 48.
  • the transport carriage 48 carries a second suction head 56, which is mounted on a second guide means 58 which is fixed to the transport carriage 48, displaceably in the X direction.
  • the first suction head 54 and the second suction head 56 have an upper suction surface 60 and a lower suction surface 62, which are acted upon by negative pressure.
  • the upper suction surface 60 is approximately twice as large as the lower suction surface 62.
  • suction surfaces in a different number and / or geometry can be used. In particular, it can be provided that the suction surfaces are freely configurable.
  • suction surfaces 60, 62 are above a in the drawing to achieve a better overview, not shown vacuum line with a person skilled in the known and therefore to achieve a better overview in the drawing also not shown negative pressure source in flow communication.
  • the two suction heads 54, 56 each form a holding member, with the aid of which the workpiece 28 can be fixed to the transport carriage 48.
  • the suction surfaces 60, 62 of the two suction heads 54, 56 engage the rear wall of the workpiece 28 facing the support wall 14.
  • the workpiece 28 is thus pressed by means of the suction cups 54, 56 against the support rollers 22 of the support grid 16 and is releasably fixed to the transport carriage 48.
  • the workpiece 28 can be moved along the workpiece carrier 24.
  • the second suction head 56 is movable relative to the first suction head 54.
  • the second suction head 56 takes its maximum suction position 54 to the first suction head. If the distance between the second suction head 56 and the first suction head 54 to be changed, so this is the transport carriage 48 so far moved in the X direction until the second suction head 56 occupies a position above a machine frame 12 held on the locking device 64 which in the FIGS. 7 and 8 is shown enlarged.
  • the locking device 64 has a locking pin 66 which can be moved back and forth in the Y direction and which cooperates with a locking bore 68 arranged on the underside of the second suction head 56 facing the workpiece carrier 24.
  • the second suction head 56 can be locked relative to the workpiece carrier 24 and the support wall 14.
  • the second suction head 56 by means of the transport carriage 48 in his in the FIGS. 7 and 8 shown position moves in which the locking pin 66 is aligned with the locking hole 68.
  • the locking pin 66 in his in FIG. 8 shown locking position are moved, in which he dips into the locking hole 68.
  • a movement of the second suction head 56 relative to the locking device 64 and thus also relative to the workpiece carrier 24 and the support wall 14 is then no longer possible.
  • the transport slide 48 can then be moved in the X direction together with the first suction head 54 fixedly attached to the transport slide 48.
  • the locking pin 66 in his in FIG. 7 shown release position can be moved back so that then the second suction head 56 can be moved together with the first suction head 54 by means of the transport carriage 48, wherein the second suction head 56 now assumes a desired distance from the first suction head 54.
  • the determination of the workpiece 28 by means of the two suction cups 54, 56 on the transport carriage 48 has the advantage that the end faces of the workpiece 28 are not affected by the determination of the workpiece 28 on the transport carriage 48. This makes it possible to process all end faces of the workpiece 28 by means of the processing units 34 unhindered. The machining of the end faces can thus be carried out within a short time.
  • the workpiece 28 on the workpiece carrier 24 can be set and the transport carriage 48 can relative to the workpiece 28 from a first stop position in which Suction heads 54, 56 fix the workpiece 28 on the transport carriage 48, are moved to a second holding position.
  • the application of suction to the suction heads 54, 56 is interrupted so that the suction heads 54, 56 release the workpiece 28.
  • the vertical machining center 10 has at least one retaining element 70, which in the illustrated embodiment is held on the machine frame 12 and fixes the workpiece 28 fixedly on the workpiece carrier 24.
  • the transport carriage 28 can now be moved to its second holding position.
  • the holding member 70 may be configured, for example, in the manner of a pair of pliers or, for example, as a suction head.
  • the back of the workpiece 28 is not affected by the sliding along suction cups 54, 56 in the process of transport carriage 28, the suction heads 54, 56 in the Z direction from a suction position in which they rest against the back of the workpiece 28 in a Release position are moved, in which they occupy a distance to the back of the workpiece 28.
  • the suction heads 54, 56 can be moved back into their suction position and subsequently subjected to negative pressure, so that they fix the workpiece 28 on the transport carriage.
  • the determination of the workpiece 28 on the workpiece carrier 24 by means of the holding member 70 is then canceled, so that the workpiece 28 can be moved for further processing together with the transport carriage 28 in the X direction.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Manipulator (AREA)
EP13165552.4A 2013-04-26 2013-04-26 Centre d'usinage vertical Active EP2796257B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES13165552.4T ES2638151T3 (es) 2013-04-26 2013-04-26 Centro de mecanización vertical
EP13165552.4A EP2796257B1 (fr) 2013-04-26 2013-04-26 Centre d'usinage vertical

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13165552.4A EP2796257B1 (fr) 2013-04-26 2013-04-26 Centre d'usinage vertical

Publications (2)

Publication Number Publication Date
EP2796257A1 true EP2796257A1 (fr) 2014-10-29
EP2796257B1 EP2796257B1 (fr) 2017-06-07

Family

ID=48190772

Family Applications (1)

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EP13165552.4A Active EP2796257B1 (fr) 2013-04-26 2013-04-26 Centre d'usinage vertical

Country Status (2)

Country Link
EP (1) EP2796257B1 (fr)
ES (1) ES2638151T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20150183A1 (it) * 2015-04-16 2016-10-16 Bre Ma Brenna Macch S R L Metodo e macchina per la lavorazione di pannelli di legno o simili
EP3315270A1 (fr) * 2016-10-28 2018-05-02 Schmidt Groupe Procede et unite d'usinage de panneaux d'ameublement
WO2018122618A1 (fr) * 2016-12-31 2018-07-05 Martin Zimmer Station de traitement
WO2018121808A1 (fr) * 2016-12-31 2018-07-05 Martin Zimmer Système de transport à chariots porte-pièces auto-moteurs
CN110234477A (zh) * 2016-12-31 2019-09-13 马丁·齐默尔 多功能单元

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0100065A2 (fr) * 1982-07-27 1984-02-08 PREH, Elektrofeinmechanische Werke Jakob Preh Nachf. GmbH & Co. Perceuse-fraiseuse automatique
EP1258320A2 (fr) * 2001-05-17 2002-11-20 ALBERTI VITTORIO S.p.A. Perceuse-fraiseuse pour appliquer des éléments métalliques à des pièces de meuble
WO2006136523A2 (fr) * 2005-06-20 2006-12-28 Somec S.P.A. Dispositif de support et de manipulation destine en particulier a des carreaux ou panneaux de verre
WO2010001367A2 (fr) * 2008-07-03 2010-01-07 Emmegi S.P.A. Appareil de broyage et de découpe de panneaux
EP2281671A1 (fr) * 2009-08-07 2011-02-09 T.O.P. S.r.l. Machine pour le traitement de panneaux de bois utilisés dans des meubles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0100065A2 (fr) * 1982-07-27 1984-02-08 PREH, Elektrofeinmechanische Werke Jakob Preh Nachf. GmbH & Co. Perceuse-fraiseuse automatique
EP1258320A2 (fr) * 2001-05-17 2002-11-20 ALBERTI VITTORIO S.p.A. Perceuse-fraiseuse pour appliquer des éléments métalliques à des pièces de meuble
WO2006136523A2 (fr) * 2005-06-20 2006-12-28 Somec S.P.A. Dispositif de support et de manipulation destine en particulier a des carreaux ou panneaux de verre
WO2010001367A2 (fr) * 2008-07-03 2010-01-07 Emmegi S.P.A. Appareil de broyage et de découpe de panneaux
EP2281671A1 (fr) * 2009-08-07 2011-02-09 T.O.P. S.r.l. Machine pour le traitement de panneaux de bois utilisés dans des meubles

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20150183A1 (it) * 2015-04-16 2016-10-16 Bre Ma Brenna Macch S R L Metodo e macchina per la lavorazione di pannelli di legno o simili
EP3315270A1 (fr) * 2016-10-28 2018-05-02 Schmidt Groupe Procede et unite d'usinage de panneaux d'ameublement
WO2018122618A1 (fr) * 2016-12-31 2018-07-05 Martin Zimmer Station de traitement
WO2018121808A1 (fr) * 2016-12-31 2018-07-05 Martin Zimmer Système de transport à chariots porte-pièces auto-moteurs
CN110234477A (zh) * 2016-12-31 2019-09-13 马丁·齐默尔 多功能单元
CN110234465A (zh) * 2016-12-31 2019-09-13 马丁·齐默尔 带自行驶工件车的运输系统
CN110337349A (zh) * 2016-12-31 2019-10-15 马丁·齐默尔 加工站
CN110234465B (zh) * 2016-12-31 2022-05-17 马丁·齐默尔 带自行驶工件车的运输系统
CN110337349B (zh) * 2016-12-31 2022-11-25 马丁·齐默尔 加工站
DE102017012077B4 (de) 2016-12-31 2024-04-18 Günther Zimmer Transportsystem mit selbstfahrenden Werkstückwagen

Also Published As

Publication number Publication date
ES2638151T3 (es) 2017-10-18
EP2796257B1 (fr) 2017-06-07

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