EP3624990A1 - Machine tool comprising two work spindles - Google Patents
Machine tool comprising two work spindlesInfo
- Publication number
- EP3624990A1 EP3624990A1 EP18736777.6A EP18736777A EP3624990A1 EP 3624990 A1 EP3624990 A1 EP 3624990A1 EP 18736777 A EP18736777 A EP 18736777A EP 3624990 A1 EP3624990 A1 EP 3624990A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- axis
- workpiece
- spindle
- machine tool
- tool according
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- 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
- B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
- B23Q39/04—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps
-
- 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
- B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
- B23Q2039/002—Machines with twin spindles
-
- 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
- B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
- B23Q2039/006—Machines with multi-spindles
Definitions
- the invention relates to a machine tool with two work spindles and two work tables for receiving workpieces.
- double spindle machines From WO 2005/025801 AI and WO 00/37213 A2 so-called double spindle machines are known.
- double spindle machines two workpieces can be processed simultaneously, each with a tool used in the tool spindles. Both tool spindles and thus both tools are moved synchronously in the three axes of the coordinate system, so that run on the two workpieces identical machining operations.
- the Doppelspindelmaschi- known from WO 2005/025801 AI and WO 00/37213 A2 have the disadvantage that due to their construction, the maximum length of the workpiece, which can be edited, is limited.
- the object of the present invention was to overcome the disadvantages of the prior art and to provide a machine tool by means of which workpieces can be processed with great length.
- a machine tool which comprises the following components: a machine frame;
- At least one first work spindle which is rotatably mounted about a first spindle axis
- a second work spindle which is rotatably mounted about a second spindle axis
- the work spindles are accommodated on the Spindelverstellvortechnisch and by means of Spindelverstellvortechnisch in a vertical Z axis, in a horizontal X axis and in a Y-axis arranged at right angles to the Z-axis and X-axis are adjustable relative to the machine frame
- a workpiece clamping device which is arranged on the machine frame and for receiving at least a first workpiece and a second workpiece is formed.
- the spindle adjustment device comprises a working head on which the two work spindles are arranged and in that the workpiece clamping device comprises at least a first workpiece table and a second workpiece table, wherein the first workpiece table is pivotally mounted about a first pivot axis aligned parallel to the X axis and the second workpiece table is pivotally mounted about a second pivot axis, which is aligned parallel to the X axis, and that the first work spindle is assigned to the first workpiece table and the second work spindle is assigned to the second workpiece table.
- the working head is pivotally mounted about a working head pivot axis, which is aligned parallel to the Y-axis.
- the machine tool also has additional work spindles in addition to the first work spindle and the second work spindle.
- additional work tables can be provided, which are assigned to the work spindles.
- the Spindelverstellvoroplasty has a Hauptverstelltechnik which is coupled by means of an X-axis linear guide with the machine frame and along the X-axis relative to the machine frame is displaceable and that the Spindelverstellvorutter has a height adjustment, which by means of a Z- Axis linear guide is coupled to the Feldverstelltechnik and is displaceable along the Z-axis relative to Hauptverstelltechnik and that the Spindelverstellvoruttertechnik has a Ausschubiata which by means of a Y-axis linear guide with the height adjustment Actuator is coupled and is displaceable along the Y-axis relative to the stiinverstelltechnik, wherein the working head is coupled by means of a pivot bearing with the Ausschubö and is pivotable about the working head pivot axis relative to the Ausschubcade.
- the machining tools can be targeted to be positioned relative to the workpieces to be processed.
- the two workpiece tables are each coupled to the machine frame by means of a first pivot bearing and by means of a second pivot bearing, wherein both workpiece tables have a workpiece clamping region, which is in each case formed between the two pivot bearings.
- the advantage here is that the workpiece tables are freely rotatable with respect to its pivot axis and serve to accommodate workpieces with a large longitudinal extent by this training.
- the workpiece clamping region with respect to the X axis has a usable workpiece clamping length between 1000 mm and 8000 mm, in particular between 1400 mm and 5000 mm, preferably between 1500 mm and 2500 mm.
- the distance between 200mm and 1500mm in particular between 300mm and 1000mm, preferably between 400mm and 600mm. With such a dimensioning, a large number of workpieces to be produced can be clamped.
- an adjusting device is arranged in the working head, by means of which the distance of the first spindle axis of the first work spindle and the second spindle axis of the second work spindle can be adjusted to each other.
- the advantage here is that dimensional differences can be compensated by this measure, which due to thermal expansion in the working head and / or in the workpiece clamping device may occur.
- the adjusting device may have various types of actuators, by means of which the distance can be adjusted.
- first pivot axis of the first workpiece table and the second pivot axis of the second workpiece table with respect to the Y-axis are arranged at a distance from one another.
- Pivot axis of the second workpiece table are the same size. By this measure, the two workpieces can be processed synchronously.
- the two workpiece tables are driven in their rotational movement about the pivot axes of a common drive unit.
- the advantage here is that an additional drive can be saved by this measure.
- the common drive unit is coupled by means of a worm gear with the two workpiece tables.
- the common drive unit is coupled by means of a toothed belt with the two workpiece tables.
- the drive unit is designed in the form of a torque motor.
- the advantage here is that such a torque motor is formed at a high positioning accuracy at the same time for applying a large torque.
- the spindle axes of the two working spindles are parallel to the Z-axis.
- the two workpiece tables are exclusively pivotable about the X-axis and otherwise are not movable relative to the machine frame.
- the two work spindles are driven in the rotational movement about the spindle axes of a common drive unit, in particular that the common drive unit is coupled by means of a toothed belt with the two work spindles.
- the advantage here is that not a separate drive is required for each work spindle.
- the work spindles for their drive have a power transmission means, such as a pulley. Since it is not relevant for the production that the two work spindles extend in an angle to each other, it can also be provided that instead of the toothed belt a V-belt or other drive means is used.
- Fig. 1 is a schematic representation of an embodiment of a machine tool.
- Fig. 1 shows a schematic representation of a machine tool 1 for machining of workpieces.
- the machine tool 1 has a machine frame 2, which serves as the basis for the components mounted thereon.
- the machine frame 2 is shown in Fig. 1 for the sake of clarity only schematically. It should be noted, however, that the machine frame 2 can be anchored at the site. In addition, the machine frame 2 of course serves to accommodate all components of the machine tool. 1
- a Spindelverstellvorraum 3 is formed, which is arranged on the machine frame 2 and is coupled thereto.
- the spindle adjustment device 3 has a working head 4 on which a first work spindle 5 and a second work spindle 6 are mounted.
- the first work spindle 5 is rotatably mounted about a first spindle axis 7 on the working head 4 and the second work spindle 6 is rotatably mounted about a second spindle axis 8 on the working head 4.
- the two work spindles 5, 6 each serve to receive a machining tool and for this purpose have a clamping device for receiving the machining tool.
- the work spindles 5, 6 are by means of Spindelverstellvorraum 3 in a vertical Z-axis 9, in a horizontal X-axis 10 and in a right angle to the Z-axis 9 and X-axis 10 arranged Y-axis 11 relative to the machine frame. 2 adjustable.
- the Spindelverstellvortechnik 3 has a Hauptverstelltechnik 12, which is coupled by means of an X-axis linear guide 13 to the machine frame 2.
- the X-axis linear guide 13 is shown only rudimentary.
- the X-axis linear guide 13 has four guide carriages, which are coupled to the main adjusting unit 12 and which cooperate with two guide rails, which are coupled to the machine frame 2.
- a height adjustment unit 14 is formed, which is coupled to the main adjustment unit 12 by means of a Z-axis linear guide 15. Due to the Z-axis linear guide 15, the height adjustment unit 14 is displaceable relative to the main adjustment unit 12 or relative to the machine frame 2 along the Z axis 9.
- the Z-axis linear guide 15 may also include a guide rail which is disposed on the Hauptverstelliser 12 and which is coupled with guide carriages which are arranged on the mecanicnverstelltechnik 14.
- a Ausschubö 16 is formed, which is arranged by means of a Y-axis linear guide 17 on the height adjustment unit 14.
- the Y-axis linear guide 17 may be embodied for example in the form of a telescopic arm.
- the Y-axis linear guide 17, for example also comprise guide carriages, which are coupled to a guide rail.
- the working head 4 is received by means of a pivot bearing 18 pivotally with respect to a working head pivot axis 19 on the Ausschubiata 16. In an alternative variant, not shown, it can be provided that the working head 4 is received by means of rigid on the Ausschubiata 16.
- the working head pivot axis 19 is aligned parallel to the Y-axis 11.
- the Häkopfschwenkachse 19 and the two spindle axes 7, 8 are preferably in a plane and are arranged at right angles to each other.
- the machine tool 1 comprises a workpiece clamping device 20, which serves for receiving workpieces to be machined.
- the workpiece clamping device 20 has a first workpiece table 21 and a second workpiece table 22.
- the first workpiece table 21 is pivotable with respect to a first pivot axis 23 relative to the machine frame 2.
- the second workpiece table 22 is pivotable with respect to a second pivot axis 24 relative to the machine frame 2.
- the two pivot axes 23, 24 of the two workpiece tables 21, 22 are arranged parallel to the X-axis 10.
- the first workpiece table 21 serves to receive a first workpiece and the second workpiece table 22 serves to receive a second workpiece, wherein the first workpiece and the second workpiece in their outer contour are equal to each other and carried out on the two workpieces the same processing steps become.
- the two work tables 21, 22 are also shown only rudimentary in FIG. 1 for the sake of clarity. Of course, a variety of mounting options for mounting the workpieces on the workpiece tables 21, 22 may be provided.
- the first workpiece table 21 is rotatably mounted on the machine frame 2 by means of a first pivot bearing 25 and a second pivot bearing 26.
- the second workpiece table 22 is rotatably mounted on the machine frame 2 by means of a first pivot bearing 27 and a second pivot bearing 28.
- the pivot bearings 25, 26, 27, 28 may be formed, for example in the form of bearing blocks, which corresponding receptacles are attached to the workpiece table 21.
- the first workpiece table 21 has a workpiece clamping region 29 which extends between the first pivot bearing 25 and the second pivot bearing 26.
- the second workpiece table 22 has a workpiece clamping region 30 which extends between the first pivot bearing 27 and the second pivot bearing 28 of the second workpiece table 22.
- the workpiece clamping region 29 of the first workpiece table 21 has a workpiece clamping length 31.
- the workpiece clamping region 30 of the second workpiece table 22 has a workpiece clamping length 32. It is preferably provided that the first workpiece table 21 and the second workpiece table 22 are identical.
- the X-axis linear guide 13 of the Hauptverstelltechnik 12 by this amount of workpiece clamping length 31, 32 plus twice the distance from the working head pivot axis 19 to the tool tip is displaceable.
- the two work spindles 5, 6 or the two spindle axes 7, 8 are arranged at a distance 33 from each other.
- the distance 33 extends in the direction of the Y-axis 11.
- the two work tables 21, 22 and the two pivot axes 23, 24 are arranged at a distance 34 from each other.
- the distance 34 also extends in the direction of the Y-axis 11.
- an adjustment device is arranged in the working head 4, by means of which the distance 33 of the first spindle axis 7 of the first work spindle 5 and the second spindle axis 8 of the second work spindle 6 can be adjusted to each other.
- an adjustment device is arranged in the workpiece clamping device 20, by means of which the distance 34 of the two workpiece tables 21, 22 or of the two pivot axes 23, 24 can be adjusted relative to one another.
- two workpieces which are of identical construction, can be processed parallel to one another.
- the first workpiece on the first workpiece table 21 and the second workpiece on the second workpiece table 22 is tensioned.
- the tool of the first work spindle 5 processes the first workpiece and the tool of the second work spindle 6 processes the second workpiece.
- the inventive construction of the machine tool 1, the machining of the first workpiece and the second workpiece takes place synchronously.
- two workpieces can be processed simultaneously, whereby the utilization of the machine tool 1 or its productivity can be improved.
- the workpiece tables 21, 22 are pivoted by means of a common drive unit 35.
- the drive unit 35 can be designed, for example, in the form of a torque motor.
- the torque motor can be coupled, for example, by means of a belt drive with the two workpiece tables 21, 22. Alternatively, it may be provided that the torque motor is coupled by means of a worm gear with the two workpiece tables 21, 22.
- the rotor of the torque motor is integrated directly in the workpiece tables 21, 22 and thus a separate torque motor is formed per workpiece table 21, 22.
- the two work spindles 5, 6 are driven by a common drive unit 36.
- the drive unit 36 may be formed for example by a three-phase asynchronous motor, which is driven by a frequency converter.
- the drive unit 36 is designed in the form of a synchronous motor.
- each of the work spindles 5, 6 is driven by its own drive unit 36. It can be provided that the work spindle 5, 6 is the runner of the drive unit 36 at the same time.
- the work spindles 5, 6 of the machine tool 1 shown in FIG. 1 are displaceable with respect to the Z axis 9, the X axis 10 and the Y axis 11 and pivotable with respect to a parallel to the Y axis.
- the recorded in the workpiece tables 21, 22 workpieces are ver with respect to a parallel to the X-axis 10 pivotally.
- the working spindles 5, 6 have five degrees of freedom with respect to the adjustment relative to the workpiece to be machined.
- Machine tool 28 second pivot bearing second
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20200555.9A EP3778118B1 (en) | 2017-05-18 | 2018-05-14 | Machine tool with two work spindles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50425/2017A AT519563B1 (en) | 2017-05-18 | 2017-05-18 | machine tool |
PCT/AT2018/060094 WO2018209373A1 (en) | 2017-05-18 | 2018-05-14 | Machine tool comprising two work spindles |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20200555.9A Division EP3778118B1 (en) | 2017-05-18 | 2018-05-14 | Machine tool with two work spindles |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3624990A1 true EP3624990A1 (en) | 2020-03-25 |
Family
ID=62814750
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20200555.9A Active EP3778118B1 (en) | 2017-05-18 | 2018-05-14 | Machine tool with two work spindles |
EP18736777.6A Withdrawn EP3624990A1 (en) | 2017-05-18 | 2018-05-14 | Machine tool comprising two work spindles |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20200555.9A Active EP3778118B1 (en) | 2017-05-18 | 2018-05-14 | Machine tool with two work spindles |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP3778118B1 (en) |
CN (1) | CN110636920B (en) |
AT (1) | AT519563B1 (en) |
WO (1) | WO2018209373A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT519563B1 (en) | 2017-05-18 | 2018-08-15 | Fill Gmbh | machine tool |
AT521951B1 (en) * | 2018-11-29 | 2020-07-15 | Fill Gmbh | Machine tool |
AT522480B1 (en) | 2019-11-14 | 2020-11-15 | Fill Gmbh | Method for operating a processing system |
AT523639B1 (en) * | 2020-03-19 | 2021-10-15 | Fill Gmbh | Machine tool |
AT526164B1 (en) | 2022-07-07 | 2023-12-15 | Fill Gmbh | Machine tool and method for operating the machine tool |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2458770A1 (en) | 1974-12-12 | 1976-06-16 | Heyligenstaedt & Co | Multi spindle milling machine - has inclinable clamping plates for workpieces to milling spindle axis |
DE19859360C2 (en) | 1998-12-22 | 2003-07-17 | Schwaebische Werkzeugmaschinen | Machine tool with piezoelectric position correction device |
DE10343320A1 (en) | 2003-09-10 | 2005-04-14 | Chiron-Werke Gmbh & Co Kg | Machine tool with two spindle housings and adjusting device for the position of the spindle housing to each other |
DE102004019924B4 (en) * | 2004-04-21 | 2007-09-13 | Starragheckert Gmbh | machine tool |
EP1744855B1 (en) * | 2004-04-21 | 2008-01-16 | Starragheckert GmbH | Machine-tool |
EP1695791B1 (en) * | 2005-02-23 | 2007-12-05 | Alfing Kessler Sondermaschinen GmbH | Machining center with a plurality of parallel spindel units |
DE102007044282A1 (en) * | 2007-09-07 | 2009-03-12 | Ex-Cell-O Gmbh | Machine tool with moving workpiece carriage |
EP2161098B1 (en) * | 2008-09-09 | 2012-10-24 | New Wyssbrod Technology AG | Milling machine |
IT1402278B1 (en) * | 2010-09-16 | 2013-08-28 | Sistech S R L | MACHINE TOOL FOR REMOVAL OF CHIPS |
CN102632422B (en) * | 2012-03-29 | 2014-05-28 | 重庆大学 | Small high-speed five-axis linkage machine tool |
EP2979811B1 (en) * | 2014-07-28 | 2018-12-19 | Paolino Bacci S.r.l. | Multi-spindle working head and machine tool using said head |
DE102015005557A1 (en) * | 2015-05-04 | 2016-11-10 | Martin Hüttmann | machine tool |
CN106514303A (en) * | 2016-12-08 | 2017-03-22 | 廊坊精雕数控机床制造有限公司 | Two-spindle numerically-controlled machine tool with translation interaction worktables |
AT519563B1 (en) | 2017-05-18 | 2018-08-15 | Fill Gmbh | machine tool |
-
2017
- 2017-05-18 AT ATA50425/2017A patent/AT519563B1/en active
-
2018
- 2018-05-14 EP EP20200555.9A patent/EP3778118B1/en active Active
- 2018-05-14 WO PCT/AT2018/060094 patent/WO2018209373A1/en unknown
- 2018-05-14 EP EP18736777.6A patent/EP3624990A1/en not_active Withdrawn
- 2018-05-14 CN CN201880032705.8A patent/CN110636920B/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3778118A1 (en) | 2021-02-17 |
WO2018209373A1 (en) | 2018-11-22 |
EP3778118B1 (en) | 2022-03-16 |
CN110636920B (en) | 2021-08-03 |
CN110636920A (en) | 2019-12-31 |
AT519563B1 (en) | 2018-08-15 |
AT519563A4 (en) | 2018-08-15 |
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