In order cost effectively and in spite of the lowest possible expenditure on construction to permit the logical provision of printing plates of different types and sizes for an extremely wide range of printing plate exposers, in an apparatus for loading and/or unloading an exposer, in particular a d
In order cost effectively and in spite of the lowest possible expenditure on construction to permit the logical provision of printing plates of different types and sizes for an extremely wide range of printing plate exposers, in an apparatus for loading and/or unloading an exposer, in particular a drum exposer, with printing plates, having a suction means comprising at least one sucker plate and at least two suction heads connected to a vacuum system for picking up printing plates, in particular thermal printing plates, and a pivoting device for pivoting the suction means, it is proposed that the sucker plate be constructed in the form of a cylindrical segment and the suction means be pivotable about an axle which is arranged substantially parallel to the axis of the cylindrical segment.
대표청구항▼
1. An apparatus for loading and/or unloading an exposer (3), in particular a drum exposer (3), having printing plates (3) witha suction means (10, 11), comprising at least one sucker plate (10) and at least two suction heads (11) connected to a vacuum system, for picking up printing plates (7), in p
1. An apparatus for loading and/or unloading an exposer (3), in particular a drum exposer (3), having printing plates (3) witha suction means (10, 11), comprising at least one sucker plate (10) and at least two suction heads (11) connected to a vacuum system, for picking up printing plates (7), in particular thermal printing plates, a pivoting device for pivoting the suction means (10, 11), wherein the sucker plate (10) is constructed in the form of a cylindrical segment and the suction means (10, 11) can be pivoted about an axis which is arranged substantially parallel to the axis of the cylindrical segment. 2. The apparatus as set forth in claim 1, wherein said suction means (10, 11) substantially maintains the axial alignment when pivoted.3. The apparatus as set forth in claim 1, wherein said pivoting device comprises at least one arm (13) which is rotatably arranged on a shaft (19), and in that the suction means can be pivoted about an axle (23) substantially parallel to the shaft (19).4. The apparatus as set forth in claim 3, wherein said pivoting device comprises two arms (13) for carrying out parallel pivoting movements.5. The apparatus as set forth in claim 1, wherein said pivoting device can execute a pivoting movement of 45° to 270°, preferably of 75° to 240°.6. The apparatus as set forth in claim 1, wherein said suction heads (11) of different sizes are arranged in or on the sucker plate (10).7. The apparatus as set forth in claim 1, wherein said sucker plate (10) is aligned axially by the force of gravity.8. The apparatus as set forth in claim 1, wherein said sucker plate (10) is designed such that it can be deformed, at least in relation to its surface form.9. The apparatus as set forth in claim 8, wherein at the sides which are arranged substantially parallel to the axis of the cylindrical segment, the sucker plate (10) can be deformed more easily with respect to the surface form than in the center.10. The apparatus as set forth in claim 1, wherein said sucker plate (10) is fixed to a suspension means.11. The apparatus as set forth in claim 10, wherein said suspension means comprises an upper axle (23) of the apparatus, the sucker plate (10) is fixed to the upper axle via webs (12), and in that the angle or the distance between two webs (12) can be varied.12. The apparatus as set forth in claim 11, wherein said suspension means comprises a spindle (29) having a spindle drive (30) for deforming the sucker plate (10).13. The apparatus as set forth in claim 11, wherein at least one of the webs (12) comprises a pneumatic cylinder (28).14. The apparatus as set forth in claim 1, wherein said suction means (10, 11) is also designed to remove an intermediate paper.15. The apparatus as set forth in claim 1, comprising a drive means, preferably by a motor (18) assisted by a counterweight (25).16. The apparatus as set forth in claim 1, further comprising a plate magazine (1).17. The apparatus as set forth in claim 16, wherein said plate magazine (1) comprises extendable drawers (5, 6), in particular drawers (5) with a convexly curved bottom plate or convexly curved insert at the bottom of a drawer (5).18. The apparatus as set forth in claim 16, wherein printing plates (7) of different format can be stacked in the drawers (5).19. The apparatus as set forth in claim 16, wherein said drawers (5) are optically opaque when in the closed state.20. The apparatus as set forth in claim 16, wherein one of said drawers (6) has at last one conveying means for moving a printing plate (7), in particular a conveyor belt.21. The apparatus as set forth in claims 16, wherein said drawers (5, 6) can be extended in the horizontal plane by a drive.22. The apparatus as set forth in claim 16, further comprising detection means for detecting the lack of at least one printing plate (7) in a drawer, the detection means being arranged in or on a drawer (5).23. The apparatus as set forth in claim 22, wherein said detection means comprises an optical sensor.24. A printing system comprising an apparatus as set forth in claim 16, wherein it is possible for a printing plate (7) to be removed from a drawer (5) by the suction means (10, 11), inserted into an exposer (3), in particular a drum exposer (3), by carrying out a pivoting movement of the arms (13), and/or transferred to an output ramp (14), and/or for an intermediate paper to be removed.25. A printing system as set forth in claim 24, comprising a control system for the opening of the drawers (5, 6), a transfer of the printing plate (7) from the plate magazine (1) to the exposer (3), from the exposer (3) to the output ramp (14) and/or the removal of an intermediate paper to be automated.26. A printing system comprising an apparatus as set forth in claim 1, wherein it is possible for a printing plate (7) to be picked up by the suction means (10, 11), inserted into an exposer (3), in particular a drum exposer (3), by carrying out a pivoting movement of the arms (13), and/or transferred to an output ramp (14), and/or for an intermediate paper to be removed.27. A printing system as set forth in claim 26, comprising a first apparatus for loading an exposer (3) and/or for removing an intermediate paper, and a second apparatus for unloading an exposer (3).28. A method of loading and/or unloading an exposer (3), in particular a drum exposer (3), with printing plates (7) by means of an apparatus which comprises a suction means (10, 11) comprising at least one sucker plate (10) and at least two suction heads (11) connected to a vacuum system to pick up printing plates (7), in particular thermal printing plates (7), having one or more of the steps in whicha printing plate (10) is picked up by the suction means (10, 11), is inserted into an exposer (3), is removed from the exposer (3) and is transferred to an output ramp (14), and an intermediate paper is removed whereinthe sucker plate (10) is constructed in the form of a cylindrical segment, the suction means (10, 11) is fixed to arms and the suction means (10, 11) is moved by means of a pivoting movement of the arms (13). 29. The method as set forth in claim 28, wherein said sucker plate (10) substantially maintains the axial alignment when pivoted, the sucker plate (10) being aligned axially by the force of gravity.30. The method as set forth in claim 28, wherein said sucker plate (10) is pivoted by means of a pivoting device about an axle substantially parallel to the axis of the cylindrical segment.31. The method as set forth in claim 28, wherein said sucker plate (10) is deformed at least in relation to its surface form.32. The method as set forth in claim 28, wherein said printing plates (7) are picked up from a drawer of a plate magazine (1).33. The method as set forth in claim 32, wherein said printing plate can be picked up from extendable drawers (5, 6), in particular drawers (5) with a convexly curved bottom plate or a convexly curved insert at their bottom.34. The method as set forth in claim 32, wherein printing plates (7) of different format are stacked in the drawers (5).35. The method as set forth in claim 32, characterized in that using a detection means to detect the lack of at least one printing plate (7) in a drawer (5), the lack of at least one printing plate (7) is detected, the detection means being arranged in or on a drawer (5).36. The method as set forth in claim 28, wherein by means of a control system, both the opening of the drawers (5, 6), the transfer of the printing plate (7) from the plate magazine (1) to the exposer (3) and/or from the exposer (3) to the output ramp (14), and/or the removal of an intermediate paper proceeds in an automated manner.37. The method as set forth in claim 28, wherein said loading of the exposer (3) and/or the removal of an intermediate paper is carried out by means of a first apparatus, which comprises a suction means (10, 11) comprising at least one sucker plate (10) and at least two suction heads (11) connected to a vacuum system for picking up printing plates (7), and the unloading of the exposer is carried out by means of a second apparatus, which comprises a suction means (10, 11) comprising at least one sucker plate (10) and at least two suction heads (11) connected to a vacuum system for picking up printing plates (7), the sucker plate (10) in at least one of the aforementioned apparatuses being constructed in the form of a cylindrical segment, and the suction means (10, 11) being fixed to arms and being moved by means of a pivoting movement of the arms (13).38. The method as set forth in claim 37, wherein said sucker plate (10) is deformed at least in relation to its surface form.
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