• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a machine tool (1) having a plurality of fixed tool spindles (3) and a workpiece manipulator (4) which can be displaced into an extended working position and which can be moved from a retracted rest position to a processing space spanning a comprehensive frame-shaped frame (2) ) with which a workpiece carrier (5) is multi-axially translatory and preferably also rotatably movable. In order to create advantageous loading conditions, it is proposed that at least one of the leg walls spanning the processing space belongs to a loading door.
    公开号:AT512250A1
    申请号:T1716/2011
    申请日:2011-11-18
    公开日:2013-06-15
    发明作者:
    申请人:Anger Machining Gmbh；
    IPC主号:
    专利说明:

    (37956) HEL
    The invention relates to a machine tool having a plurality of fixed and possibly displaced from a retracted rest position in an extended working position and in a processing space spanning and comprehensive frame-shaped frame positioned at different positions tool spindles and a workpiece manipulator with a workpiece carrier mehrachsig translationally and preferably also rotatably movable is.
    With such known machine tools (WO 97/10932 A), the workpiece to be machined is fixed to deTWerkstückträger the workpiece manipulator and the workpiece manipulator successor individual processing tools, such as drills, milling cutters, grinders od. Dgf., Fed. The machining tools are arranged fixedly to the frame of the frame spindles, the spindles can be selectively displaced between an extended working position and a retracted rest position to prevent mutual obstruction of the spindles during processing by spindles located just in the rest position. These known machine tools are characterized above all by their economic operation, which results in particular from the fact that no tool change times and no idle times must be awaited during a machining operation, since the machine tool receives the necessary tools in the various spindles and thus the tools between individual machining operations do not need to be changed and can be raised from one spindle to another before positioning the workpiece.
    By this measure, the non-productive time is minimized and is a swift
    Processing of workpieces possible. In addition, a multi-spindle parallel machining of several workpieces is possible on such devices.
    The workpiece is usually translationally movable on a slide with the workpiece manipulator on a slide and in addition rotatable about at least one axis of rotation in order to guide the workpiece in a desired manner with respect to the individual, fixed processing tools and also to be able to mill or grind complex paths. A disadvantage of these known machine tools in particular is that for a feed usually separate, front side of the device arranged feed manipulators are provided, the finished workpieces with the workpiece carrier, which is connected to the workpiece manipulator überseine releasable coupling, remove from the processing room and clamped on workpiece carrier blanks passed to the workpiece manipulator. This is also unfavorable because loading devices are provided in areas that must be accessible for maintenance.
    To be able to work with such known machine tools, for example, two workpieces at the same time, it is known (DE 1020 050199 A1 A1) to provide a working space in which at least two workpiece manipulator are arranged. Both workpiece manipulators are connected to processing devices so that they can be moved in the working space at least two-dimensionally. These processing facilities define areas of procedure which are located in the working space and can be determined separately from one another. This can various processing operations such as grinding, sneeze, press rifles od. Like. Are made equally in a machine. The disadvantage here again is the increased machine tool expenditure in the event that a considerable number of processing tools is to be provided.
    Based on a state of the art of the type described above, the object of the invention is to create a new machine concept for a machine tool which, with the shortest possible processing and loading
    Times, ie minimized non-productive times, allows an advantageous loading of the machine tool with workpieces.
    The invention achieves this object in that at least one of the leg walls spanning the processing space belongs to a loading door.
    With such a construction, an advantageous loading of the machine tool is possible in particular because the feed no longer has to be made from the machine tool front, which in particular should also be accessible for control purposes and maintenance purposes, but now more from one side of the machine can take place, ie from an area that is usually free and easily accessible. This loading door is closed during machining for reasons of occupational safety and is only opened for loading. The loading can be done with a conventional robot, a production line, a transfer station or the like.
    However, particularly advantageous conditions for the charging result when at at least one, preferably at both, loading door leaf fronts workpiece carrier holder are arranged, which are equipped with a coupling for the workpiece carrier. According to the invention thus forms the loading door itself the transfer device or a substantial part of the transfer device. By pivoting the door thus arranged on the workpiece carrier holder workpiece is transferred from the processing room into a loading space or vice versa from the loading space in the processing room. For this purpose, the workpiece is fastened, for example, with the workpiece carrier in the loading space on the workpiece carrier holder and then transferred by pivoting the door in the processing room, where the workpiece manipulator takes over the workpiece carrier with the workpiece. For this purpose, the workpiece carrier holder and the workpiece carrier are to be equipped with corresponding couplings. The workpiece carrier thus has, for example, two couplings, one for the workpiece carrier holder and another for the workpiece manipulator. 4 ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff · Ffff · · · # «ff
    If two or more workpieces are always to be machined simultaneously with the workpiece manipulator or at least two work piece holders are arranged on each loading door half face, at least two workpiece carrier holders are arranged, whose coupling surfaces cooperating with the workpiece carrier lie in one plane. Thus, for example, the loading door serving as the loading device carries, per each loading door leaf front, two, possibly also several, workpiece carrier holders which are displaceable together with the loading door between the charging station and the machining stiffener. Because the coupling surfaces cooperating with the workpiece carrier lie in one plane, it is ensured, at least for identical workpiece carriers, that the couplings for a workpiece manipulator lie in one plane and, as it were, can receive and engage the two workpiece carriers, after which the workpiece carrier holder coupling is released and the workpieces are released the workpiece carriers from the manipulator the respective tools can be supplied.
    If the loading door is pivotally mounted in the leg wall about a preferably horizontal axis lying in its plane of symmetry, in particular machined workpieces can be freed from chips and / or cooling lubricants when the loading door is pivoted. In addition, there is the possibility that the loading door is mounted with a rotary drive preferably by at least 180 °, possibly also by more than 360 °, pivotally mounted in the leg wall. Thus, as it were workpieces in the loading space can be transferred to the workpiece manipulator and at the same time in the feed dream, for example, already manufactured workpieces are replaced with workpiece blanks, whereby the non-productive times are again significantly reduced. If, in addition, the at least one workpiece carrier holder is arranged on the loading door in such a way that it is arranged lower in the loading position for ergonomic reasons than in the transfer position, this results in substantial advantages, in particular for manual loading of the machine. In addition, chips accumulated in the workpiece during machining may be removed. Like. At ·· «· φ φ φ φ
    a pivoting of the loading door from the transfer position, ie from the processing room, be emptied into the loading position (in the loading space), for which purpose a suitable collecting container may be provided in the loading space in particular. For this purpose, the loading door is in particular point symmetrical about its pivot axis. This means that such a point mirroring corresponds to a rotation of the half, divided by the axis of rotation, door by 180 °, wherein the axis of rotation is that point for the point mirror, which images the inside of the door and the outside of the door. It goes without saying that the door can be sealed in the transition to the door frame.
    In order to be able to accept no risk to persons when pivoting the loading door with the rotary drive from a loading position to a transfer position, the loading door can be assigned to the outside of a, optionally another door having, feed lock. This feed lock can be equipped on the outside with a roller blind or other suitable means for securing the feed lock, which is accessible only when the loading door is locked or in other words, the loading door is pivotable only when the load lock is closed.
    According to a further advantageous Ausgestattungsvariantebist of the invention, the machine tool processing room side is equipped with discharge devices for machining chips, which optionally promotes machining chips through the at least partially loading door. These can be, for example, valves or blow-off nozzles which can be actuated when the loading door is open and discharge chips that have accumulated through the charging door.
    In order to reduce the non-productive time, it may also be advantageous if at least one of the tool spindles is associated with a tool magazine and tool changer. Such a tool changer, which is to be provided in particular on a device according to the invention, is described in detail in AT 507 328 A. «·» · 6 «« ♦ 9
    In the drawing, the invention is illustrated schematically with reference to an embodiment. Show it
    1 shows a machine tool according to the invention in a partially sectioned front view,
    2 is a side leg wall of the device of FIG. 1 with a loading door according to the invention in an enlarged oblique view,
    3 shows the loading door from FIG. 1 in a partially sectioned cross section and FIG. 4 shows the loading door from FIG. 3 in section along the line IV-IV from FIG. 3.
    A machine tool 1 is equipped with a plurality of fixed and possibly displaced from a retracted rest position in an extended working position, positioned in a frame-shaped frame 2 at different positions tool spindles 3 and a workpiece manipulator 4, with a workpiece carrier 5 multi-axis translationally and preferably also rotatably movable is. The frame-shaped frame biases a processing space 6, which processing space 6 is encompassed by the frame-shaped frame 2. The frame-shaped frame comprises in particular four leg walls 7, wherein in the illustrated embodiment three leg walls 7 tool spindles 3 are assigned.
    According to the invention, a leg wall, namely the right leg wall 7, is assigned a loading door 8.
    As can be seen from the exemplary embodiments illustrated, both loading door leaf fronts 9 are associated with workpiece carrier holders 10, which are equipped with a coupling 11 for the workpiece carrier 5. At each Türbeschickungsblattfront 9 while two workpiece carrier holder 10 are arranged, the cooperating with the workpiece carrier 5 coupling surfaces lie in a common plane E. In addition, the loading door 8 is pivotally mounted in the leg wall 7 about a horizontal axis 12 lying in its plane of symmetry with an indicated rotary drive. With this rotary drive, the loading door 8 is mounted pivotably in the leg wall 7 by at least 180 °. In particular, the loading door 8 is symmetrical about the pivot axis 12. As can be seen from FIGS. 1 and 3, the loading door 8 is pivotable with the rotary drive from a loading position from the loading space 13 into a transfer position in which a workpiece 14 is arranged in the processing space 6. Thus, at the same time, a workpiece carrier 5 with workpiece 14 can be transferred to the workpiece manipulator 4 and a new workpiece can be arranged in the loading space 13 on the workpiece carrier holder 10 or clamped onto it. The fact that the feed space 13 forms a kind of feed lock can be seen, for example, from FIG. For this purpose, the loading door 8 is provided on the outside with a further door 15, in the illustrated exemplary embodiment a roof-opening. An actuation of the loading door 8 is possible only when the curtain is closed.
    权利要求:
    Claims (11)
    [1]
    Patent Attorneys Dipl.-Ing. Helmut Hübscher Dipl.-Ing. Karl Winfried Hellmich Spittelwiese 7, A 4020 Linz (37956) HEL Claims: 1. Machine tool (1) with a plurality of stationary frame frames which can be displaced and extended from a retracted rest position into an extended working position and in a processing space (6). 2) tool spindles (3) positioned at different positions and with a workpiece manipulator (4) with which a workpiece carrier (5) is multi-axially translatory and preferably also rotationally movable, characterized in that at least one of the leg walls (7) spanning the processing space (6) heard a loading door (8).
    [2]
    2. Machine tool according to claim 1, characterized in that at least one, preferably at both, feed door leaf front (s) (9) a workpiece carrier holder (10) is arranged, which is equipped with a coupling (11) for the workpiece carrier (5).
    [3]
    3. Machine tool according to claim 2, characterized in that on a feed door leaf front (9) at least two workpiece carrier holder (10) are arranged, with the workpiece carrier (5) cooperating coupling surfaces lie in a plane (E).
    [4]
    4. Machine tool according to one of claims 1 to 3, characterized in that the loading door (8) about a lying in its plane of symmetry, preferably horizontal, axis (12) is mounted with a rotary drive pivotally in the leg wall (7), which in particular machined Workpieces (14) at a pivoting of the loading door (8) of chips and / or cooling lubricant are releasable.
    [5]
    5. Machine tool according to one of claims 2 to 4, characterized in that the at least one workpiece carrier holder (10) is arranged on the loading door (8) that it is lower in the loading position for ergonomic reasons, as in the transfer position,
    [6]
    6. Machine tool according to one of claims 1 to 5, characterized in that the loading door (8) with a rotary drive, preferably by at least 180 °, pivotally mounted in the leg wall (7).
    [7]
    7. Machine tool according to one of claims 1 to 6, characterized in that the loading door (8) in its point about its pivot axis (12) is point-symmetrical.
    [8]
    8. Machine tool according to one of claims 2 to 7, characterized in that the loading door (8) is pivotable with the rotary drive from a loading position into a transfer position.
    [9]
    9. Machine tool according to one of claims 1 to 8, characterized in that the loading door (8) on the outside one, optionally a further door (15) having, feed lock is associated.
    [10]
    10. Machine tool according to one of claims 1 to 9, characterized in that the processing space is associated with a discharge device, in particular for machining chips, which optionally supports machining chips through the at least partially loading door (8).
    [11]
    11. Machine tool according to claim 10, characterized in that the discharge device comprises against the loading door facing slide and / or outlet nozzles. Linz, November 17, 2011 ANGER MACHINING GmbH

    By J '
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    引用文献:
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    法律状态:
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    优先权:
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