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
  • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
  • B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
  • B23Q17/2233—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool relative to the workpiece

Definitions

• the invention relates to an arrangement for guiding tools, which process the edges of plate-shaped workpieces, in particular of glass panes, along the edges of the workpiece.
• Such tools can be grinding wheels, with which the edges of glass sheets are ground and / or trimmed, or other tools, e.g. Sealing jars for insulating glass, which are moved along the edges of plate-shaped workpieces to edit them.
• the plate-shaped workpieces such as glass sheets are held in holders by means of suckers, rollers, backup rolls and the like, and the processing tool is moved along the edges.
• the invention is based on the object to remedy this situation by proposing a device with which tools are guided in such a way that they are aligned with respect to the edge of the workpiece even if this region deviates from the (planar) desired position in certain regions ,
• the tool is connected to a sensing device which is held at a defined distance from one of the large surfaces of the workpiece, the tool can also be correctly aligned with respect to the edge of the workpiece, if the workpiece after the one and / or other Page deviates, for example, is arched from the desired position and from the flat position - the main plane of the workpiece - deviates.
• the sensing device coupled to the tool is a Bernoulli device, which sucks under the action of the Bernoulli effect on one of the large surfaces of the workpiece with a defined distance.
• This Bernoullivorraum is preferably a device which is acted upon by a fluid, in particular a liquid medium, wherein the liquid medium is, for example, water.
• the sensing device for example, the Bernoullivorraum, coupled with the workpiece adjustable to the plane of the workpiece, so that the tool even at least partially deviating from the target position, for example curved, so partially out of the plane deviating, workpiece relative to the edge of the workpiece in which at least one region in which the workpiece deviates from the plane is aligned correctly.
• the sensing device in particular the Bernoulli device, is pivotable relative to the tool - pivotable, for example, about the axis of the grinding wheel in a grinding wheel - so that the optimum alignment between the sensing device and the tool for reliable guiding of the tool relative to the tool Workpiece can be adjusted.
• the arrangement according to the invention in which a tool which processes the edge of a plate-shaped workpiece is coupled with a sensing device, for example a Bernoulli device, in order to move the tool relative to the edge of the workpiece in the correct, i.e. for optimal machining of the workpiece, alignment can also be used in any direction curved workpieces, such as windshields for vehicles, curved glass for showers, etc., since even in such cases, the probe always the tool in the correct position relative to the edge or the surface of the workpiece aligned.
• a sensing device for example a Bernoulli device
• FIG. 1 partially schematically and in an oblique view an inventive arrangement
• Fig. 2 in section the probe device with its holder, but without the tool of Fig. 1st and
• Fig. 3 shows schematically the use of the arrangement according to the invention.
• the inventive arrangement 1 is used for grinding (trimming) of the edges 3 of a glass pane 5 by being processed with a Nutenschleiffraction 7.
• the Nutenschleiffraction 7 is arranged on a spindle 9 and coupled to a drive not shown in detail.
• the grinding wheel 7 is moved so that it moves along the edge 3 of the embodiment shown in the rectangular workpiece in the form of a glass sheet 5 to edit the edges 3, eg to grind and / or trim.
• the glass sheet 5 is held by holding means, not shown, such as suckers, support rollers and the like.
• the Nutenschleiffraction 7 of the tool is moved around the glass sheet 5 to be processed by the Nutenschleiffraction 7 up and down and the glass sheet 5 is moved horizontally back and forth.
• the tool can be moved along arbitrarily shaped edges 3 of workpieces.
• a sensing device 11 is connected, which is arranged adjustable together with the tool 7 in the direction of the axis of the tool 7 (ie normal to the plane of the glass pane 5).
• the sensing device 11 is a sensing device 11 with a Bernoulli disc 13.
• the Bernoulli disc 13 has in its glass pane 5 facing surface 15 an annular nozzle 17 for the discharge of a fluid, in the illustrated embodiment, water. Due to the escape of water from the annular nozzle 17, the Bernoulli disc 13 is held as a probe at a defined distance from the glass 5 (just by the Bernoulli forces), so that the grinding wheel 7, so the (processing) tool, with respect to the glass 5 always correct is aligned to their edge 3 reliably and without deviations to edit one or the other side of the median plane of the glass pane 5.
• the Bemoullibeibe 13, in particular the annular nozzle 17 in it, water is supplied via a line 19. From Fig. 2 it is also apparent that the holder 21 is attached to the Bemoullibeibe 13 to an annular member 23 which is rotatable relative to the main body 25. In this case, the channel 27, via which water is supplied to the nozzle 17 in the Bemoulli disk 13, sealed by a plurality of seals 29 relative to the fixed base body 25.
• the carrier 21 for the Bemoullibeibe 13 is pivotally mounted in the device about the axis of the grinding wheel 7 and its spindle 9, so that the position of the Bemoullibeibe 13 relative to the grinding wheel 7 can be changed to the respective optimum relative position between the sensing device 11 in the form of Bemoullibeibe 13 on the one hand and the tool, in the example shown, the grinding wheel 7, on the other hand to be able to bring about.
• An advantageous concomitant of the sensing device 11 in the form of Bemoullibeibe 13 is that any vibrations of the glass pane 5 are attenuated in the region of the grinding wheel 7, so that they can not adversely affect.
• the glass pane 5 - is for example changeable (adjustable), but remains constant during a machining operation ,
• the arrangement 1 according to the invention can be adapted to different tools 7 and / or different workpieces 5.
• Fig. 3 is schematically indicated how the inventive arrangement 1 with the probe device 11 and the tool 7 (grinding wheel) along the edge 3 of a glass pane 5 can be moved.
• Fig. 3 shows in particular also that the relative position between the sensing device 11 and the tool 7 by pivoting the sensing device 11 about the axis of the tool 7 can be selected in each case so that the task associated with the tool 7 can be optimally fulfilled.
• workpieces (glass panes 5) of the rectangular shape deviating course of the edges 3 to edit properly.
• An assembly 1 with a tool 7 and a sensing device 11 is movably guided along the edge of a workpiece 5, so that the workpiece 5 is machined along its edges 3 by the tool 7, e.g. trimmed, will.
• the arrangement 1 is adjustable transversely to the plane of the workpieces 5, wherein the sensing device 11, which is designed for example as Bernoulli disc 13, of the workpiece 5 has a constant distance, so that the tool 7 always in the correct position to the edge 3 of the workpiece.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
• Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

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Family Applications (1)

Country Status (6)

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Citations (2)

Family Cites Families (13)

• 2011
  • 2011-03-17 US US13/515,095 patent/US8979617B2/en active Active
  • 2011-03-17 WO PCT/AT2011/000134 patent/WO2011123872A1/de not_active Ceased
  • 2011-03-17 EP EP11715381.7A patent/EP2512732B1/de active Active
  • 2011-03-17 JP JP2012556344A patent/JP5506957B2/ja not_active Expired - Fee Related
  • 2011-03-17 CN CN201180005357.3A patent/CN102695584B/zh not_active Expired - Fee Related
  • 2011-03-24 AT AT0802411U patent/AT12133U1/de not_active IP Right Cessation

Patent Citations (2)

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