Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
  • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
  • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
  • B27B5/02—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor characterised by a special purpose only
  • B27B5/06—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor characterised by a special purpose only for dividing plates in parts of determined size, e.g. panels
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
  • B23D59/00—Accessories specially designed for sawing machines or sawing devices
  • B23D59/001—Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
  • B23D59/00—Accessories specially designed for sawing machines or sawing devices
  • B23D59/008—Accessories specially designed for sawing machines or sawing devices comprising computers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
  • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
  • B27B31/00—Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines

Definitions

• the invention relates to a plate processing plant, a method for operating a plate processing plant, and a control and / or regulating device according to the preambles of the independent claims.
• a plate processing plant is known for example from DE 10 2014 225 073 Al. This is a panel sizing saw, with the large format
• the well-known plate processing plant has a
• suction cross is arranged.
• This comprises a basic structure extending in the operating position substantially in a horizontal plane, on which a plurality of downwardly extending engaging portions in the form of suction elements is arranged. These can attack on an upper side of a plate-shaped workpiece, so that this by means of the robot within the
• Panel processing plant moved from one point to another place and can be raised while doing so.
• Handling device for transporting glass plates in which a plurality of suction elements is mounted on a carriage which is along a horizontal tube
• the FR 2 564 021 Al also describes a handling device, in which a
• Feed device by means of special To press alignment and thereby align relative to a split line.
• the present invention has the object to simplify the alignment and thus ultimately the machining of a plate-shaped workpiece.
• the task is completed by a
• Combinations may be essential to the invention, without being referred to again in detail.
• a plate processing plant with a handling device for handling a
• Handling device comprising a movable and above the workpiece can be arranged base structure and a plurality of arranged on the base structure
• a handling device is known in principle as a so-called "suction crossbar" from the market Handling device, the plate-shaped workpiece, for example, be stacked from a supply of material and stored on a feed table of the plate processing plant for processing. Furthermore, with such a handling device on a discharge table
• At least one of the engaging sections be arranged in at least one in
• Attacking sections thus has an additional degree of freedom of translational movement relative to the other engaging portions and to the base structure, which can be used without one
• Plate processing plant increases because both very small and very large workpieces or entire plates can be moved against the above-mentioned investment device and pressed within approximately the same alignment time.
• the size of the handling device and thus also the plate processing system is not
• a read switch for example, in the form of a read switch, be present. If this sensor or these sensors detect that the workpiece is on the lateral abutment
• Collet base is applied, can reliably from it
• the invention also includes that the
• Plate processing system comprises a cleaning device for the movable engaging portion, wherein the
• Cleaning device preferably comprises a blow-off device. This is based on the consideration that in the normal operation of the plate processing plant to a dust attack can occur, by which the movable engaging portion can be contaminated, which
• Such cleaning can be carried out cyclically after a certain operating time or after a certain number of alignment operations or optionally after each alignment process. It is particularly advantageous in such a plate processing system if the handling device comprises a robot by means of which the base structure can be moved. This way is a complete one
• the handling device can be used to automatically align individual workpieces, for example on an angle ruler and / or on a collet or on a plurality of collets.
• Plate processing equipment is characterized in that the movable engaging portion comprises a suction member. This is a proven and gentle on the surface
• the drive of the movable engaging portion operates pneumatically, in particular comprising a pneumatic cylinder.
• a pneumatic drive is relatively easy to implement, very safe in operation and above all very clean. This is especially true when a pneumatic cylinder is used as the drive. It is also particularly advantageous if the movable
• Processing continues to be in abutment with the investment device and thus remains aligned by the investment device.
• Biasing device be integrated into the drive, for example as an air spring, which by the in the
• Pneumatic cylinder at a defined pressure existing air volume is formed.
• the biasing device can also be realized by a mechanical spring or something similar.
• the force of the pretensioning device with which it pretensions the movable engaging section in the said direction is adjustable.
• the force of the biasing means may be selected depending on the workpiece on which the engaging portion engages, in particular depending on a material property or a surface property of the workpiece to which the engaging portion is currently engaged. That's the way it is For example, in an engaging portion, which comprises a suction element, possible to adjust the biasing force depending on the realizable on or in the suction suppressor.
• This oppression may depend, for example, on the nature of the surface of the workpiece (rather smooth or rather rough) or on the nature of the material (rather dense or rather porous).
• the movable engaging portion in two preferably mutually orthogonal horizontal
• Directions can be moved by means of a drive. Although it is not absolutely necessary, but advantageous if a separate drive is provided for each of the two directions, so that the movements in the two directions can be initiated or controlled independently of each other.
• Align investment for example, on one or more collets
• the engaging portion can be moved only in one direction by means of a drive. If necessary, then the movement in one orthogonal direction to apply the workpiece in this direction to a corresponding investment device, be brought about by a movement of the base structure. Finally, it is even conceivable that the movement in both orthogonal directions by a movement of the
• Base structure is effected, and that the mobility of the movable engaging portion only serves to provide a kind of spring device, by means of which the workpiece with a defined force against the
• Engaging portion can be moved by means of a drive in an at least substantially vertical direction. Normally, while the attacking section in a
• Attack sections be arranged, whereas he is in one operating position on the plane of the other and not
• the operating position in at least one horizontal direction movable engaging portion can engage the top of the workpiece without the other, non-movable engaging portions of the
• attacking portion caused movement of the workpiece obstruct.
• a further development of the invention provides that the movable engaging portion is rotatable about an axis vertical in the operating position. As a result, the alignment of the workpiece is facilitated, since a rotational movement of the workpiece possibly required in the alignment is not hindered by the engaging portion, or because of this rotational movement, for example when using a Saugelements, the frictional connection between the engaging portion and the top of the workpiece not is endangered. It is understood that when not only one engaging portion but a plurality of engaging portions are designed as movable engaging portions, they must be designed to achieve the just described advantage as rotatable about a common vertical axis group.
• the basic structure be at least substantially in an operational position
• Attack portion is arranged on at least one carriage, which is held linearly movable relative to the base structure, for example by means of a commercially available linear guide.
• the invention also includes a method of operating a panel processing system of the type described above, comprising the steps of: a. automatic cleaning of the movable engaging portion by a
• a facility for example, a lateral
• step c the base structure is moved over the plate-shaped workpiece, that the movable engaging portion
• the invention also includes a control and / or regulating device for controlling and / or regulating the operation of a handling device
• Plate processing equipment which is programmed to carry out a method of the above kind.
• Figure 1 is a plan view of a
• Figure 2 is a perspective view obliquely from above on a suction cross-section of
• Figure 3 is a perspective view obliquely from above on an enlarged portion III of Figure 2, in which a movable
• Figure 5 is a schematic plan view of the area
• Figure 6 is a view similar to Figure 5 with the movable engaging portion in a first extreme position
• Figure 7 is a view similar to Figure 5 with the movable engaging portion in a second extreme position
• FIG. 8 shows a representation similar to FIG. 5 at a first point in time during a FIG
• FIG. 9 shows a representation similar to FIG. 5, at a second time during one
• Figure 10 is a perspective view of a
• Figure 11 is a schematic side view of
• a plate dividing saw in the present case, it is referred to as a plate dividing saw and comprises a feed table 12 formed by a plurality of roller rails, a machine table 14 adjoining this and a removal table 16 adjoining this.
• a saw line 18 is in Figure 1 by a
• Program slider 22 carries a plurality of collets 24, of which, for reasons of clarity, only a few are provided with a reference numeral.
• the program slider 22 can be moved by a motor in the direction of a double arrow 26.
• Side of the machine table 14 is a
• Handling device 28 which comprises a robot 30 with a robot arm 32. At a projecting end of the robot arm 32, a suction cross member 34 is arranged. This comprises a generally relatively flat and substantially horizontal base structure 36. At the bottom thereof are a plurality of stationary relative to the base structure 36
• Plate processing system 10 can be moved.
• the suction cross-member 34 is shown more in detail. It can be seen that the base structure 36 is formed as a generally rectangular flat plate, which, in order to save weight, a series of mostly approximately rectangular recesses (not numbered) having.
• the movable engaging portion 40 is disposed at a position of the base structure 36 in which two
• lateral edge regions 44 and 46 merge into one another, that is, in a corner region 48 of the base structure 36.
• the movable engaging portion 40 is in a first relative to the base structure 36 and also to the other non-movable engaging portions 38
• the movable engaging portion 40 is freely rotatable about a vertical axis indicated by a dotted line 62.
• the mobility of the engaging portion 40 is realized by being held on a first carriage 64 which is vertical by means of a first linear guide 66
• the second carriage 68 in turn is connected by means of a second linear guide 70 to a third carriage 72 in FIG.
• the third carriage 72 is in turn mounted movably in the horizontal direction by means of a third linear guide 74 on the base structure 36, namely in the indicated by the double arrow 50 first horizontal direction.
• the pneumatic cylinder 60 provides the drive for the
• Cylinder housing 76 of the pneumatic cylinder 60 is attached to the second carriage 68, whereas a non-visible in Figure 3 piston rod of the pneumatic cylinder 60 is hinged to the first carriage 64.
• a cylinder housing 78 of the pneumatic cylinder 58 is on the third carriage 72nd
• Pneumatic cylinder 58 is hinged to the second carriage 68.
• a cylinder housing 82 of the pneumatic cylinder 56 is fixed to the base structure 36, whereas a piston rod of the cylinder 56 not visible in FIG. 3 is hinged to an intermediate structure 84 belonging to the third carriage 72.
• Attack portions 38 are also shown differently than shown in Figures 2 and 3, evenly distributed over the surface of the square. Furthermore, that is
• Angled ruler 20 simplified by a lateral vertical line with a triangle indicated. It forms, as will be immediately apparent, a lateral Equipment installation.
• the collets 24 are indicated by an upper horizontal line with a triangle.
• the output workpiece lying on the feed table 12 is gripped by the program pusher 22 by means of the collets 24 and fed to the sawing line 18 for division.
• the now lying on the removal table 16 workpiece 42 is thus a by a
• the suction cross-member 34 is positioned with its base structure 36 by means of the robot 30 so that it lies at least partially above the workpiece 42. It is then lowered onto the workpiece until the engaging portions 38 located in the area of the workpiece 42 contact the upper side of the workpiece 42. These lying in the region of the workpiece 42 engaging portions 38 are then subjected to a depression, so that they are at the top of the
• Plate processing system 10 placed, in the vicinity of the angle ruler 20 and in the vicinity of the collets 24.
• the program slider 22 was previously moved from the position shown in Figure 1 in the direction of the machine table 14 out. This situation is shown in FIG. 4a.
• the workpiece 42 is then released by the engaging portions 38 again, and the suction crossbar 34 is lifted slightly from the workpiece 42.
• the Saugtraverse 34 is rotated relative to the robot arm 32 about a vertical axis by approximately 90 ° and positioned so that the
• movable engaging portion 40 is disposed approximately above a center of the plate-shaped workpiece 42.
• the engaging portion 40 is moved vertically downward by driving the pneumatic cylinder 60 until it abuts against the top of the workpiece 42. Thereafter, a negative pressure is applied to the engaging portion 40, whereby it connects non-positively with the top of the workpiece 42. This condition is shown in FIG. 4b. By a control of the pneumatic cylinder 56, the engaging portion 40 is then in horizontal
• Direction 50 moves to the angular ruler 20 out.
• the workpiece 42 comes into abutment against the angular ruler 20. It rotates about a vertical axis, which is made possible because the engaging portion 40 is freely rotatable about the vertical axis 62. This rotational movement is indicated in Figure 4c by an arrow 86.
• the pressure of the pneumatic cylinder 56 is not completely drained, but maintained a certain pressure in the pneumatic cylinder 56. In this way, continues to act a certain force with which the workpiece 42 is pressed against the angular ruler 20.
• the air volume trapped under the certain (reduced) pressure in the pneumatic cylinder 56 acts like a resilient one
• the engaging portion 40 is moved in the horizontal direction 52 to the collets 24. It remains due to the above-mentioned and acting in the direction 50 towards the angular ruler 20 biasing device in contact with the angular ruler 20. This results in the workpiece 42 in contact with the
• Collets 24 can be prevented.
• the engaging portion 40 and thereby the workpiece 42 can be moved by a movement of the base structure 36 by means of the robot arm 32 against a contact device, for example against the angular ruler 20 and / or the collets 24.
• a contact device for example against the angular ruler 20 and / or the collets 24.
• larger movement paths can be realized, both in only one and in both horizontal directions 50 and 52.
• the cylinder 58 and both cylinders 56 and 58 are used in this case, especially as pneumatic springs to a defined force means the engaging portion 40 on the workpiece 42 in the respective direction against the
• Pneumatic cylinder 56 which carries the reference numeral 88, as well as the first carriage 64 hinged to the piston rod of the pneumatic cylinder 60, which carries the reference numeral 90. It also recognizes reed switch 92 to the
• Cylinder housings 82 and 78 which detect the position of the respective piston rods 88 and 80th
• FIG. 5 shows an idle state in the case of pressureless
• FIG. 6 shows the piston rod 88 of the pneumatic cylinder 56 fully extended, ie the carriage 72 in an outermost direction 50
• FIG. 7 shows the
• FIG. 8 shows the workpiece 42 and the engaging portion 40 after alignment at the angular ruler 20, ie corresponding to FIG. 4c
• FIG. 9 shows the workpiece 42 and the engaging portion 40 after alignment on the collets 24, ie according to FIG. 4d.
• FIG. 8 and 9 for illustrative purposes of
• Attacking portion 40 is not drawn centrally above the workpiece 42.
• Collets 24 is acted upon. It is understood that it can be provided that the pressure in the air volumes of the pneumatic cylinders 56 and 58 can be adjustable, whereby a desired force can be realized with which the workpiece 42 is pressed against the angular ruler 20 and against the collets 24.
• This force can be made dependent, for example, on the type of surface of the workpiece 42, by which the strength of the frictional connection between the engaging device 40 and the workpiece 42 is determined. For example, usually with a rather rough surface, only a lesser adhesion will be feasible than with a smooth surface. Also, if desired, said force may be made dependent on the nature of the material of the workpiece 42 (and / or a
• Biasing device can be provided. Furthermore, it is understood that the biasing means can be realized in other ways than by the air volumes of the pneumatic cylinders 56 and 58, for example by mechanical springs or the like.
• Plate processing system 10 shown namely a cleaning device 92. This can be arranged at any point of the plate processing plant 10, as far as the movable engaging portion 40 by means of
• the cleaning device 92 proposed here by way of example comprises a housing 94, which is of cuboid design. In an upper surface of the housing 94 there is an elongate and straight slot 96 which, as seen in FIG. 11, is provided with an electric fan 98
• the slot 96 may also be connected via a switching valve to a separate compressed air supply, which would also provide a blow-off device.
• a brush device 100 may be present in the region of the slot 96, which in the present case is again merely exemplary on both sides of the FIG.
• Slot 96 is arranged. For example, after a certain operating time or after a certain number of alignment operations, the robot 30 moves the suction crossbar 34 with the movable one
• Attacking portion 40 rests on the top of the housing 94. This top forms so far a
• Engaging portion along the arrow 104 in Figures 10 and 11 over the slot 96 with the fan 98 is moved away.
• any adhering dust may be removed from previous processing at the movable engaging portion 40. This is again supported by the breast device 100.
• Attack portion 40 can sufficiently suck on the workpiece 42 to the above-described
• the plate processing system 10 has a control and regulating device, not shown, in turn, with a microprocessor and a memory Is provided.
• the controller is programmed to carry out the method described above.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Wood Science & Technology (AREA)
• Forests & Forestry (AREA)
• Manipulator (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=66554421

Family Applications (1)

Country Status (4)

Families Citing this family (2)

Family Cites Families (18)

• 2018
  • 2018-05-16 DE DE102018111810.4A patent/DE102018111810A1/de active Pending
• 2019
  • 2019-05-15 CN CN201980028589.7A patent/CN112041136B/zh active Active
  • 2019-05-15 EP EP19724481.7A patent/EP3793790A1/de active Pending
  • 2019-05-15 WO PCT/EP2019/062495 patent/WO2019219755A1/de unknown

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