WO2012025103A2 - Werkzeugmaschine - Google Patents
Werkzeugmaschine Download PDFInfo
- Publication number
- WO2012025103A2 WO2012025103A2 PCT/DE2011/001653 DE2011001653W WO2012025103A2 WO 2012025103 A2 WO2012025103 A2 WO 2012025103A2 DE 2011001653 W DE2011001653 W DE 2011001653W WO 2012025103 A2 WO2012025103 A2 WO 2012025103A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- machine tool
- workpiece
- workpiece holder
- tool according
- receptacle
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
-
- 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
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
-
- 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
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
-
- 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
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/54—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only
- B23Q1/5406—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only a single rotating pair followed perpendicularly by a single rotating pair
-
- 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
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/54—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only
- B23Q1/5406—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only a single rotating pair followed perpendicularly by a single rotating pair
- B23Q1/5437—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only a single rotating pair followed perpendicularly by a single rotating pair and in which the degree of freedom, which belongs to the working surface, is perpendicular to this surface
-
- 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
- B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/60—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/62—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides
- B23Q1/621—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides a single sliding pair followed perpendicularly by a single sliding pair
- B23Q1/626—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides a single sliding pair followed perpendicularly by a single sliding pair followed perpendicularly by a single sliding pair
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0022—Blanks or green, unfinished dental restoration parts
-
- 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
- B23Q2210/00—Machine tools incorporating a specific component
- B23Q2210/004—Torque motors
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
- B23Q3/15706—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a single tool being inserted in a spindle directly from a storage device, i.e. without using transfer devices
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
- B23Q3/15713—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle
- B23Q3/1572—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means
- B23Q3/15753—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle
- B23Q3/15766—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle the axis of the stored tools being arranged perpendicularly to the rotating or circulating plane of the storage means
-
- 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
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/304088—Milling with means to remove chip
-
- 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
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/304536—Milling including means to infeed work to cutter
- Y10T409/305544—Milling including means to infeed work to cutter with work holder
- Y10T409/305656—Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation
- Y10T409/305824—Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation with angular movement of work
-
- 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
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/306048—Milling with means to advance work or product
- Y10T409/306104—Endless or orbital work or product advancing means
-
- 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
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/30868—Work support
- Y10T409/30896—Work support with angular adjustment
-
- 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
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/30868—Work support
- Y10T409/309016—Work support with work holder or guide
-
- 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
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/309576—Machine frame
-
- 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
- Y10T483/00—Tool changing
- Y10T483/17—Tool changing including machine tool or component
- Y10T483/1733—Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
- Y10T483/179—Direct tool exchange between spindle and matrix
- Y10T483/1793—Spindle comprises tool changer
- Y10T483/1795—Matrix indexes selected tool to transfer position
-
- 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
- Y10T483/00—Tool changing
- Y10T483/18—Tool transfer to or from matrix
- Y10T483/1873—Indexing matrix
- Y10T483/1882—Rotary disc
Definitions
- the invention relates to an automatic machine tool, in particular for the production of dental prostheses of exactly three-dimensional shape, according to the preamble of the independent claim 1.
- Movement unit with three translational axes in the x-, y- and z-direction is used. In this machine, an automatic replacement of the workpieces is not provided. The processing takes place in a horizontal arrangement of the
- CONFIRMATION COPY horizontal direction so that it must be ensured for a removal of the chips or the resulting during the machining process milling waste, so that the milling process is not disturbed and the result may not even be unusable.
- the automatic machine tool according to the invention has
- the drive in the three spatial directions is preferably about
- the gimbal, about two axes pivotable workpiece holder receptacle is formed in one direction by a torque motor, which can generate high dynamics and imparted the rotation about a first axis and by a Lever mechanism with a motor driven spindle, the
- the drive according to the invention enables the pivoting of a workpiece through 180 °, so that it can be processed in a first step from the front, and can be machined from the back in a second step.
- Workpiece receiving a suction device is arranged, which generates a directed away from the workpiece to be machined suction air flow, which serves to remove the resulting during the machining process chips and dusts or the like.
- Suction air flow a particularly effective removal of chips, milling waste or the like and at the same time achieves cooling of the workpiece.
- Workpiece holder gripping device which removes a workpiece holder from the workpiece holder magazine and feeds the workpiece holder holder. In this way, a plurality of workpieces can be processed automatically in immediate Abfoige.
- Circular disk-shaped workpieces which are also referred to as "blank” and, for example, cobalt-chromium, P MA (polymethyl methacrylate), nanocomposite, zirconium oxide and other materials present in sintered form, can absorb circular-disk-shaped workpieces and a second ring element fastened to the first ring element, which slightly overlaps or overlaps the circular-disk-shaped workpiece in the edge region and which has mushroom-shaped gripping elements on its end face against which the workpiece holder gripping device engages.
- blade and, for example, cobalt-chromium, P MA (polymethyl methacrylate), nanocomposite, zirconium oxide and other materials present in sintered form
- the two ring elements can, for example, over
- the mushroom-shaped gripper elements on the top allow a very good and reliable handling by the
- the workpiece holder receptacle is formed by a planar system and a three-point holder with three engaging in corresponding openings on the workpiece holder pins, one of which is axially movable and act upon a predetermined force bar.
- This three-point holder allows a very accurate and reproducible positioning of the workpiece holder with simultaneously large holding forces in the processing area.
- the tool feed unit comprises a substantially fan-shaped tool spring receptacle which is pivotable by rotation by predetermined angle in the processing space for transferring the tool to, for example, a milling or machining spindle of the processing unit.
- Tool spring receptacle allows a spring-loaded recording of the tools, in particular when transferring the tool to the
- Processing unit is advantageous because, for example, small Position inaccuracies can be compensated in this way and the tool during the tool change in the processing unit can be pressed spring loaded with a defined force.
- the fan-shaped configuration of the tool spring receptacle i. the design of the tool spring receptacle in the manner of a fan
- the fan-shaped tool spring receptacle is a circular segment-shaped plate with radial cuts to form the spring receivers. Through these cuts, the resilient design of the segments is realized in an easy-to-implement manner.
- the operating and control unit of the machine tool is formed by a fastened to the machine tool mobile computer which communicates with a control electronics of the machine tool via an interface.
- This computer may for example be a notebook computer, for example an i-pad, it may also be a mobile telephone with a corresponding touchscreen user interface, an i-pod or the like.
- a touchscreen is very advantageous for the user interface, so that an operation via the touch-sensitive screen is possible.
- the interface can be a WLAN, network or USB interface.
- the machine control works here as a web server that enables communication between the machine and the i-pad as an HTTP client. This makes it possible to use virtually any data communication devices, such as i-pads, i-pods, i-phones, notebooks, etc. as an operating device.
- Figure 1 is an isometric view of part of an experiment
- Fig. 2 is a side view of the part shown in FIG.
- Fig. 3 is a side sectional view of a tool holder
- Fig. 4 is a partially sectioned front view of a workpiece holder
- FIG. 5 is an isometric view of a machine tool according to the invention.
- Fig. 6 is a front view of the machine tool shown in Fig. 5;
- FIG. 7 is a front view of the machine tool shown in FIG. 5 during the tool change
- FIG. FIG. 8 is a front view of the machine tool shown in FIG. 5 during the tool change
- FIG. 7 is a front view of the machine tool shown in FIG. 5 during the tool change
- FIG. 8 is a front view of the machine tool shown in FIG. 5 during the tool change
- Fig. 9 is a side view of the machine tool for explaining the workpiece change
- FIG. 1 shows a front view of the machine tool shown in FIG. 10 during the workpiece change
- FIG. 12 shows a front view of the machine tool shown in FIG. 10 during the workpiece change
- Fig. 13 shows a part of the processing unit for explaining a
- Fig. 14 is a side view of a in a zero-point clamping system
- FIG. 15 schematically shows the arrangement of an input and control device on a housing of the automatic machine tool
- An automatic machine tool illustrated in FIG. 1, in particular for the production of dental prostheses of a precise three-dimensional shape, has a processing unit 200, a workpiece supply unit 300 and a tool feed unit 400.
- the machine can be operated by an operating and control unit (not shown in FIG. 1 and FIG. 2).
- the processing unit 200 has a milling spindle displaceable in three spatial directions x, y, z with a machining tool 430.
- the displacement in the spatial directions x, y, z is performed by (not shown) servo / stepper motors or servo motors.
- the processing unit 200 also has a workpiece holder receptacle 210, which is gimballed about two axes, a first axis A1, which extends substantially in the x direction and a second axis A2, which extends substantially in the y direction, is rotatable.
- the rotation takes place about the axis A1 by means of a torque motor 250.
- This motor is able to exert an adjustable, even high torque with high dynamics.
- the rotation in the axis A2 perpendicular thereto by means of a
- Lever mechanism formed by a spindle 260 which is motor-driven by a motor 261 and which by a corresponding mimic 265 consisting of a lever 263, a first bearing 267 and a second bearing 268 generates a rotation about the axis A2 (Fig. 2) ,
- the rotation about both axes A1, A2 takes place with very high precision and dynamics.
- machining directions x, y, z and the axes of rotation A1, A2 is a machining of the workpiece, which is in the case of dental prosthesis, for example a non-ferrous metal or a sintered material, which among other things. Contains zirconium oxide, possible in any spatial direction, so that any three-dimensional contours of high precision can be produced.
- the workpiece feed unit 300 has a workpiece magazine 360, which can be, for example, a revolver magazine, as in FIG. 1 and FIG. 9.
- the workpiece feed unit 300 has a workpiece holder gripping device 370, which grips the workpiece holders 320, and automatically feeds the processing unit 200, for example for attachment to the workpiece holder receptacle 210.
- each workpiece holder 320 essentially comprises two annular elements 311, 312, which are connected to one another, for example by screw connections 319, including the workpiece 500.
- the one ring 312 serves to receive the workpiece 500; a projection 3120, which the
- the other ring 31 which is fastened to the ring 312, slightly covers the workpiece 500 at its edge area and holds it in the ring 312 with the aid of an O-ring 3121.
- the O-ring 3121 is inboard .hniphin J p Klpmmu-n..n JJ u-n..d- ⁇ - ⁇ ⁇ ⁇ ⁇ J ⁇ ⁇ ; ä-trlirih. ⁇ Ain ⁇ n-
- the ring 311 has on its front side mushroom-shaped gripping elements 314 on which the
- Workpiece holder gripping device 370 attacks and so the workpiece holder 320 takes the magazine 360 and the processing unit 200 feeds, as indicated schematically in Figure 1. This workpiece change is fully automatic. After machining, the workpiece holder 320 is again removed from the processing unit 200 in the reverse manner and fed to the magazine 360.
- 31 1 guide grooves 3110, 3111, 31 12, 3113 and latching points 3221 and 3222 are arranged in the end face of the ring.
- the grooves 31 1 1 and 3113 serve as insertion grooves of a drawer-like receptacle 3000 (FIGS. 9, 10).
- the grooves 3110 and 3112 serve as lifting grooves from the drawer-like receptacle 3000 in the direction of the processing unit 200.
- Recording 3000 has on its front side an opening in which grooves 3001, 3002 and 3003 are provided. These grooves 3001, 3002 and 3003 are like this arranged so that the mushroom-shaped gripping members 340 can be received therein. Due to the arrangement of the grooves 3001, 3002 and 3003 a positionally accurate placement of the workpiece holder 320 in the drawer-like receptacle 3000 is ensured.
- FIGS. 17 to 20 show the workpiece magazine 360, in each case shortly before and after a workpiece holder 320 has been introduced.
- a recess 3615 which corresponds to the shape of the workpiece holder 320, is provided in the magazine 360.
- resilient plungers 3610 see the partially sectioned view in Fig. 19, for example, two per depositing position provided. These resilient plungers 3610 have in their the
- Guide grooves 3110, 3111, 3112, 31 13 engage and lock in the locking points 3221 and 3222.
- Insertion and lifting grooves are used for secure locking in Magazine 360.
- the tool change is automatic. This is a
- the tool spring receptacle 420 consists of a fan-shaped, that is circular-segment-shaped sheet having radial cuts 421 and so spring mounts 425 forms at the end of each tool holder receptacles 427 are arranged in which the
- Processing tools 430 are arranged.
- the machining tools 430 are pivoted into the machining area ⁇ which is arranged in FIG. 1 behind the workpiece holder receptacle 210, is concealed by the latter and is not apparent to that extent) by a rotational movement of the tool spring receptacle 420, and the
- Tool spring receptacle 420 is that the tool spring receptacle 420 is disposed above the actual processing space and by a simple rotation, that is pivotal movement in the processing space can be pivoted. This is a very fast and accurate
- the tool spindle then moves out of the collision area in the y- and z-direction and in the x-direction exactly below the tool feed unit 400, which is also referred to as a tool changer.
- the tool spring receptacle 420 is rotated so that a free tool station comes to a stop just above the machining spindle 4000 (see FIG. Then moves the tool spindle 4000 first in the z-direction (in Fig. 6 to 8: perpendicular to the sheet plane) at the height of the tool holder receptacle 420 and then in the y direction in the
- the machining tool 430 is triggered by the spindle 4000, which moves in the z-direction, that is to say in FIGS. 6 to 8 perpendicular to the plane of the page and releases the tool 430 to that extent. These steps are shown in FIG. 7 and FIG. In conjunction with FIGS. 9 to 12, the following will be described below
- a workpiece holder 320 is manually fed to the drawer-like receptacle 3000.
- the receptacle has the asymmetrically arranged grooves 3001, 3002 and 3003 adapted to the mushroom-shaped gripping elements 314, which ensure a positionally correct insertion of the workpiece holder 320.
- the workpiece holder 320 is part of the revolver-type workpiece magazine 360.
- the workpiece magazine 360 may, for example, have eight workpiece holders 320.
- a displacement unit (workpiece holder receiving device) 3300 is arranged, which moves from the workpiece magazine 360 towards the workpiece magazine 360
- FIG. 11 shows the process of fetching the workpiece holder 320.
- pincer-like grippers 3310 seize the fungus-like vui a i unyc J i t unu new ucn iiemci uui ucicuiym iy ueö ⁇ .y nuci ä
- Gripper driving device 3320 by actuating the cylinder 3053 obliquely upwards and then backwards in the direction of
- Processing space by operation of the cylinder 3051 (see Figure 12) and passes the workpiece holder 320 of the processing unit 200.
- the above-described grooves 3110, 3111, 3112, 31 13 and the locking points 3221, 3222 are used for handling.
- the workpiece holder 320 is clamped at three points, as shown schematically in FIGS. 13 and 14.
- Such a zero-point clamping system has three points 3601, 3602 and 3603, which are substantially offset by 120 ° to each other, so arranged in a star shape, are arranged.
- so-called clamping bevels 3700 are formed in the tool holder 320 in the area of these points, in FIG engage the pins, wherein two fixed positioning pins are provided, for example in the range 3601 and 3603 and a spring-biased positioning pin 2300, in the area 3602.
- This pin 2300 is driven by a pneumatic cylinder 2309, it is movable.
- the holding position of the movable positioning pin 2300 is supported by a high-spring-rate coil spring 2305. Due to the slope of the workpiece holder 320 is at a slightly off-center position by the
- Figures 15 and 16 show schematically the arrangement of an input and control device 510 on a housing 500 in the form of, for example, a machine tool receiving cabin.
- a housing 500 in the form of, for example, a machine tool receiving cabin.
- On the housing 500 is a
- the operating device 510 may be, for example, a mobile computer, in particular a so-called i-pad.
- mobile telephones which have a correspondingly large display designed as a touchscreen.
- the holder 520 has, for example, a USB interface 530 and / or a wireless interface 540, for example a WLAN antenna or the like. It also has an inductive
- Proximity switch 550 Once the mobile input and control device 515, for example, the i-pad in the receptacle 520, the rail-shaped
- the inductive proximity switch 550 detects that the i-pad 510 is located in the latched position and so far as appropriate signal lines for the control of
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
- Machine Tool Units (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Dental Prosthetics (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/819,075 US20130216323A1 (en) | 2010-08-27 | 2011-08-29 | Machine tool |
BR112013004407A BR112013004407A2 (pt) | 2010-08-27 | 2011-08-29 | máquina-ferramenta |
EP11788350.4A EP2608925A2 (de) | 2010-08-27 | 2011-08-29 | Werkzeugmaschine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010035669.7 | 2010-08-27 | ||
DE102010035669A DE102010035669A1 (de) | 2010-08-27 | 2010-08-27 | Werkzeugmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012025103A2 true WO2012025103A2 (de) | 2012-03-01 |
WO2012025103A3 WO2012025103A3 (de) | 2012-07-05 |
Family
ID=45047505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2011/001653 WO2012025103A2 (de) | 2010-08-27 | 2011-08-29 | Werkzeugmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US20130216323A1 (de) |
EP (1) | EP2608925A2 (de) |
BR (1) | BR112013004407A2 (de) |
DE (1) | DE102010035669A1 (de) |
WO (1) | WO2012025103A2 (de) |
Families Citing this family (16)
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DE102013005871A1 (de) * | 2013-04-08 | 2014-10-09 | Dental Conceptworks UG | Bearbeitungszentrum |
RU2016134209A (ru) * | 2014-01-23 | 2018-03-01 | ХУБЕР,Мартин | Устройство обработки для машинизированного изготовления и обработки дентальных заготовок |
LU92420B1 (de) | 2014-04-02 | 2015-10-05 | Vhf Camfacture Ag | Rechnergesteuerte Werkzeugmaschine zur Herstellungvon kleinen Werkst}cken |
DE102015204174A1 (de) * | 2015-03-09 | 2016-09-15 | Precis Glashütte GmbH | Haltevorrichtung für Dentalrohlinge |
KR102460766B1 (ko) | 2015-03-19 | 2022-10-28 | 쿠라레 노리타케 덴탈 가부시키가이샤 | 피가공 유닛 |
WO2016148287A1 (ja) * | 2015-03-19 | 2016-09-22 | クラレノリタケデンタル株式会社 | 被加工ユニット及びその製造方法 |
US20180064515A1 (en) * | 2015-03-19 | 2018-03-08 | Kuraray Noritake Dental Inc. | Workpiece unit and producing method thereof |
US10905528B2 (en) | 2016-09-21 | 2021-02-02 | Global Dental Science, LLC | System and method for registering implant orientation directly from a dental impression |
EP3326575B1 (de) | 2016-11-27 | 2021-12-01 | Global Dental Science LLC | Verfahren zum entfernen von teilen eines wurzelendes oder eines kronenendes eines künstlichen zahnes |
DE102018000727A1 (de) * | 2017-02-03 | 2018-08-09 | vhf camfacture Aktiengesellschaft | Dentalfräsmaschine |
US11858083B2 (en) | 2017-03-09 | 2024-01-02 | Global Dental Science, LLC | Dental blank positioning device |
EP3372192B1 (de) * | 2017-03-10 | 2020-11-11 | Global Dental Science LLC | Zahnrohlingpositionierungsvorrichtung |
EP3501730B1 (de) * | 2017-12-22 | 2024-06-12 | Ivoclar Vivadent AG | Dentalfräsmaschine sowie verfahren |
US11986363B2 (en) | 2018-02-16 | 2024-05-21 | Global Dental Science, LLC | Real time anatomical adaptation |
CN108498202A (zh) * | 2018-04-27 | 2018-09-07 | 浦江县安恒进出口有限公司 | 一种牙种植体设备 |
CN108498201A (zh) * | 2018-04-27 | 2018-09-07 | 浦江县安恒进出口有限公司 | 一种牙种植体设备及其使用方法 |
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EP1106146A1 (de) | 1999-12-02 | 2001-06-13 | Eidgenössische Technische Hochschule Zürich | Werkzeugmaschine zur Herstellung von Grundgerüsten für Zahnersatz |
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JPS6186144A (ja) * | 1984-10-03 | 1986-05-01 | Mazda Motor Corp | マシニングセンタ |
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DE10029967B4 (de) * | 2000-06-26 | 2006-08-03 | Satisloh Gmbh | Vorrichtung zur Bearbeitung von optischen Werkstücken |
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-
2010
- 2010-08-27 DE DE102010035669A patent/DE102010035669A1/de not_active Withdrawn
-
2011
- 2011-08-29 US US13/819,075 patent/US20130216323A1/en not_active Abandoned
- 2011-08-29 EP EP11788350.4A patent/EP2608925A2/de not_active Withdrawn
- 2011-08-29 WO PCT/DE2011/001653 patent/WO2012025103A2/de active Application Filing
- 2011-08-29 BR BR112013004407A patent/BR112013004407A2/pt not_active IP Right Cessation
Patent Citations (1)
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EP1106146A1 (de) | 1999-12-02 | 2001-06-13 | Eidgenössische Technische Hochschule Zürich | Werkzeugmaschine zur Herstellung von Grundgerüsten für Zahnersatz |
Also Published As
Publication number | Publication date |
---|---|
US20130216323A1 (en) | 2013-08-22 |
BR112013004407A2 (pt) | 2016-05-17 |
DE102010035669A1 (de) | 2012-03-01 |
WO2012025103A3 (de) | 2012-07-05 |
EP2608925A2 (de) | 2013-07-03 |
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