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
  • B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
  • B23Q1/48—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs
  • B23Q1/4852—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs a single sliding pair followed perpendicularly by a single rotating pair
  • B23Q1/4871—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs a single sliding pair followed perpendicularly by a single rotating pair followed parallelly by a single sliding pair
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23B—TURNING; BORING
  • B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
  • B23B3/06—Turning-machines or devices characterised only by the special arrangement of constructional units
  • B23B3/065—Arrangements for performing other machining operations, e.g. milling, drilling
• • 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
  • B23Q39/02—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station
  • B23Q39/021—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like
  • B23Q39/022—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like with same working direction of toolheads on same workholder
  • B23Q39/024—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like with same working direction of toolheads on same workholder consecutive working of toolheads
• • 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
  • B23Q2039/008—Machines of the lathe type
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T29/00—Metal working
  • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
  • Y10T29/5104—Type of machine
  • Y10T29/5109—Lathe
  • Y10T29/5114—Lathe and tool
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T29/00—Metal working
  • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
  • Y10T29/5152—Plural diverse manufacturing apparatus including means for metal shaping or assembling with turret mechanism
  • Y10T29/5154—Plural diverse manufacturing apparatus including means for metal shaping or assembling with turret mechanism tool turret
  • Y10T29/5155—Rotary tool holder
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T29/00—Metal working
  • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
  • Y10T29/5168—Multiple-tool holder
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T82/00—Turning
  • Y10T82/25—Lathe
  • Y10T82/2508—Lathe with tool turret

Definitions

• the invention relates to lathes.
• the rotational position of the stopped workpiece is adjustable by means of a controlled C-axis of the workpiece spindle, at any point of the circumference of the workpiece by means of a For example, milling cutters are made or transverse bores are usually introduced when the workpiece is stationary.
• At least the rotationally drivable tool spindle must be movable in addition to the first transverse direction in a second transverse direction to the axis of rotation, the Y direction.
• both tool holders for rotating and stationary tools can be inserted into the tool spindle, which can be both driven in rotation and can be stopped, so that milling, drilling or even turning can be performed by means of the same tool holder.
• a tool turret is used as a tool support, which has a plurality of tool holders, some of which are designed to accommodate rotationally drivable tools with a rotary drive, while others are only suitable for receiving stationary rotary tools.
• Another disadvantage is that in the presence of a Y-axis usually the Y-carriage is seated directly on the X-carriage and this on the Z-carriage, and on the Y-slide if necessary, theificatauf- to take the order z , B. B-axis is formed pivotable.
• the tool spindle which is movable in the Y direction is in particular linearly displaceable along Y guides along the tool support, but could also be pivotable about the Z direction.
• the tool support which can be swiveled around the B-axis and on which the tool spindle can be moved, also carries additional tool holders for stationary, ie non-driven, tools, be it turning tools or boring bars.
• the tool support rotatable about the B-axis comprises at least one of the X-carriage protruding in the Y-direction and in particular after above freely ending legs, preferably two parallel juxtaposed legs.
• the Y guides are arranged, along which the tool spindle can be moved in the Y direction.
• the distance between the legs is dimensioned so that the tool spindle just fits between them.
• the contour of the tool support is an angled forward contour towards the free end of the driven tool, with the two legs in its front
• One of the two legs is preferably designed as a hollow profile.
• the other limb can be designed as a curved, plate-shaped solid part, and the Y-guides for the tool spindle are located on the outside of this solid limb facing the other hollow limb.
• both legs sit on a base plate which is rotatably mounted about the B-axis on the X-carriage.
• the additional stationary tools for which there may be one or more receptacles are arranged on the inclined surfaces of the legs or on the rear part of the preferably mutually parallel outer surfaces of the legs, or on the back of one or both legs.
• the tools can be used so that they can protrude in parallel, at an angle or in the opposite direction to the stripping direction of the driven tool from the tool support.
• the rotatable around the B-axis tool support can be positioned in any rotational position, in particular automatically positioned within its pivoting range, preferably ⁇ 80 °, better ⁇ 90 °, better ⁇ 100 °, better ⁇ 110 °, starting from the Normal position in which the tool spindle is at right angles to the Z axis.
• Both the B-axis and the Y-axis can be numerically controlled by the lathe control, ie NC-controlled.
• the tool spindle is in addition to the use of stationary tools, in particular turning tools suitable.
• a boring bar as a stationary tool is arranged, in particular, on the outside of one of the legs in a direction parallel to the direction of the tool spindle, but facing in the opposite direction, at the rear end of the outer surface of one of the legs.
• the energy supply to the tool spindle takes place from the top of the tool support ago and in particular from the top of the lathe ago.
• on the free upper end of the support in particular of the free-ending leg or an arcuate Energy chain arranged in a horizontal plane, ie in the XZ plane, in which the data and / or power lines are supplied.
• the angular range of the arcuate energy chain preferably corresponds to the pivot range of the tool support.
• the lathe is preferably a conventional design, ie with a horizontal axis of rotation and in particular a bed, in which the Z-guides are arranged side by side in a horizontal Z-guide plane on top of the bed.
• the X-slide becomes significantly heavier than a conventional X-slide and also projects beyond the bed of the lathe in the X direction away from the rotation axis, preferably on the front side of the bed ,
• a further Z-guide arranged over which the forward freely cantilevered end of the Z-carriage is additionally supported on the bed.
• Fig. 1 a lathe according to the invention
• Fig. 2 Possible applications of the tool unit according to the invention viewed in the Y direction.
• the structure of the entire lathe can be seen with reference to Figures 1 a, b and 2a. It is a horizontal bed lathe 1, in which on the horizontal upper side of an approximately cuboid bed 2 at one end a headstock 24 is seated, in which the workpiece spindle 11 is rotatably driven, which at its front end a conventional jaw chuck 26th for clamping and rotationally driving a workpiece 20 carries, which at the other end of a tailstock 27, which is also seated on top of the bed 2, is supported.
• the axis of rotation of the workpiece spindle 11, the axis of rotation 10, thus extends horizontally.
• two conventional Z-guides 23a, b which are prismatic in cross-section, extend on which a Z slide 3 of the tool system movable in the Z direction is and if appropriate, the tailstock 27 can be moved.
• a X-slide 4 movable in the X-direction, ie the horizontal transverse direction to the rotation axis 10, can be moved around the tool support 5 seated thereon with its tools to the workpiece 20 for machining and again to go back.
• the Z-slide 3 projects beyond the front side 2a of the bed 2, to provide a sufficient footprint for the distance to the axis of rotation 10 to be positioned tool support 5.
• This free end 3a of the Z-carriage 3 is supported via an additional Z-guide 23c on the bed 2 of the lathe 11, which at the front side thereof.
• the tool support 5 has in plan view, ie in the Y direction, a front, against the axis of rotation 10 in the normal position quoendes tapered end in which the outer surfaces 22a, b of the two legs 14a, b, which run parallel to each other in the rear region, in its front region in successive inclined surfaces 12a, b Ü go over.
• leg 14a facing the chuck 26 in FIG. 2 is a hollow profile with a straight outer side facing the other leg 14b
• the other leg 14b is a solid, profiled part whose curvature corresponds to the curvature of the outer surface 22b / 12b, on the inside of which the Y-guides (not shown) for the Y-movement of the tool spindle 6 are arranged
• the tool spindle 6 is movably attached to a leg 14a in the Y direction. orders, whose axis of rotation is horizontal, in the normal position perpendicular to the axis of rotation 10 indicative.
• the intermediate space 19 tapers at the end pointing to the axis of rotation 10 towards a gap 19a, which is dimensioned just large enough to accommodate the front end of the tool spindle 6, which also does not protrude beyond the tool support 5.
• a driven tool 9 here a cutter used, which - depending on its length - reaches the geometric intersection of the inclined surfaces 12a, b of the support 5 or even exceeds, as best in Figures 2b and 2c to recognize.
• the supply lines of power and control signals for driving the tool spindle 6 - which are shown in FIGS. 2a and following, only cut off on the tool spindle 6 - are supplied from the top side of the tool support 5, by resting on the free upper end of the legs 14a, b is mounted an arcuately horizontally revolving, so-called energy chain 22, which receives its energy supply via a boom, which leads up the power lines from the lower part of the lathe.
• This energy chain 22 is - as seen in the side view of Figure 1 b - able to bend power lines with a defined bending radius and not only in one, but in two directions of curvature, so that the open side 22a in the plan, the Y-direction, considered arcuate energy chain 22 approximately to the front end of the support 5, so the tool holder of the tool spindle 6 indicates.
• the tool holders 7a, b, c are conventional prismatic guides with a horizontal direction in which a tool holder 17a, b, c can be used, which in turn only one, but mostly two in different directions of the cuboid tool holder 17a ... repellent shots for Tool heads 18a, b owns.
• a tool holder 7c is arranged in the rear region, the tool holder 17c of which points forward, direction of rotation 10 and parallel to the axis of rotation 10 for tool heads 18a, b attached tools 8a, b carries, which are turning tools in this case.
• a tool holder 7a is arranged at the analogous point of the other leg 14a, on which a tool holder 17a is fixed, which has a rearward, ie in opposite Abstrebraum with respect to the recording in the tool spindle 6 for the driven tool 9, and in which a stationary boring bar 8 * is inserted, which protrudes over the rear end of the tool support 5, thus pointing away from the axis of rotation 10 in its normal position.
• a further tool holder 7b is present, whose course direction is thus usually parallel to the axis of rotation 10, and in which a tool holder 17b is accommodated. men who currently has no tool holder and therefore no tools.
• FIGS. 2a to 2f usually show different machining situations and thus different rotational positions of the tool support 5 in the plan view-the Y direction or slightly in perspective for this purpose:
• the tool support 5 is in its normal position, ie pointing in the X direction with the axis of rotation of the driven tool spindle 6, so that the driven tool 9 a inserted in the stationary workpiece 20 could make a cut-out in the lateral surface by moving the tool spindle 6 in FIG Y-direction, ie along the Y-guides 16a.
• the tool support 5 is pivoted about the B-axis on the X-carriage 4 counterclockwise about a positive swivel angle + ⁇ , such that the outwardly pointing inclined surface 12b of the right-hand leg 14b of the tool support 5 is almost parallel to the axis of rotation 10 , the Z-direction, lies.
• the driven tool 9 protrudes obliquely to the axis of rotation 10 and can make a cutout on the circumference of the workpiece 20 and indeed very close to the clamped in the chuck 26 end of the workpiece 20, since the support 5 because of the obliquely converging inclined surfaces 12a, b very far into the inner angle between the end face of the chuck 26 and lateral surface of the workpiece 20 can drive.
• the tool 8a is fastened very far to the rear corner of the support 5, it is possible precisely with this tool 8a also very close to the right end of the workpiece 20, which, for B. is supported by the tailstock 27 to be worked.
• FIG. 2 e shows an even further rotation of the support 5 counterclockwise until the axis of rotation of the headstock 6 is parallel to the axis of rotation 10.
• the then projecting in the X direction tool 8a can then also rotate the lateral surface of the workpiece 20 longitudinally.
• FIG. 2 d shows the tool support 5 in the same rotational position about the B axis as in FIG. 2 e, but moved in the X direction until the axis of rotation of the tool spindle 6 is approximately on the axis of rotation 10.
• the driven tool 9 again a cutter, is shown directed towards the jaw chuck 26, in which no workpiece is located.
• FIG. 2f shows an even further, namely with respect to the normal position by more than 90 ° counterclockwise about the pivot angle + ß pivoted support 5, which may be necessary if, for example, with the rotary tool 8a used at the right rear end of the support 5 Shoulder on the workpiece 20 to be rotated.
• FIGS. 2g and 2h show a support 5 pivoted from the normal position into the opposite direction, that is to say by a negative swivel angle - ⁇ of -90 °, in which the axis of rotation of the tool spindle 6 again runs parallel to the axis of rotation 10, but with to the tailstock 27 indicative inserted into the tool spindle 6 tool.
• FIG. 2g analogous to the representation of FIGS. 1a and 2a, a rotary tool 8b is inserted in the tool holder 7b on the rear side of the leg 14a of the support 5, which protrudes beyond the outer surface 22a of this leg 14a and with which the workpiece 20 is longitudinally rotated can.
• the drill rod 8 and the tool holder 17 a, which carries this drill rod, are for this purpose removed from the outer surface 22 a, since otherwise the support 5 could not approach close enough to the workpiece 20.
• the boring bar 8 * is mounted on the outside 22a by means of the tool holder 17a and moved in the X direction with the aid of the X-slide in such a way that the boring bar 8 * is located approximately on the axis of rotation 10 and thus not shown in Figure 2a - in the jaw chuck 26 clamped workpiece, which is rotationally driven by the chuck 26, could bring a central bore.
• the tool holder 17b is disassembled at the back of the leg 14a.
• FIG. 2i shows the special case that a stationary tool, in this case a turning tool 8c, is inserted into the tool spindle 6 which can be driven in rotation, as was already shown in FIGS. 2g and 2h.
• a stationary tool in this case a turning tool 8c
• this tool can also be in internal angles, such as on the end face of the workpiece, because of the support 5 tapering towards the front end and the tool 8c projecting above the intersection of the cut surfaces 12a, b 20 even be placed next to the tailstock, are used, which would not be possible because of the lower projection in the arrangement of the tool on one of the other tool holders 7a, b ....

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Turning (AREA)
• Machine Tool Units (AREA)
• Milling Processes (AREA)
• Cutting Tools, Boring Holders, And Turrets (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=41719333

Family Applications (1)

Country Status (5)

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Family Cites Families (22)

• 2008
  • 2008-12-03 DE DE102008060297A patent/DE102008060297B3/de not_active Expired - Fee Related
• 2009
  • 2009-12-01 WO PCT/EP2009/066148 patent/WO2010063716A2/de active Application Filing
  • 2009-12-01 EP EP09763950A patent/EP2385887A2/de not_active Withdrawn
  • 2009-12-01 US US13/131,650 patent/US8689418B2/en not_active Expired - Fee Related
  • 2009-12-01 CN CN200980147620.5A patent/CN102325628B/zh not_active Expired - Fee Related

Non-Patent Citations (1)

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