Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H31/00—Pile receivers
  • B65H31/30—Arrangements for removing completed piles
  • B65H31/3036—Arrangements for removing completed piles by gripping the pile
  • B65H31/3045—Arrangements for removing completed piles by gripping the pile on the outermost articles of the pile for clamping the pile
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H31/00—Pile receivers
  • B65H31/30—Arrangements for removing completed piles
  • B65H31/3054—Arrangements for removing completed piles by moving the surface supporting the lowermost article of the pile, e.g. by using belts or rollers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H31/00—Pile receivers
  • B65H31/34—Apparatus for squaring-up piled articles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2301/00—Handling processes for sheets or webs
  • B65H2301/30—Orientation, displacement, position of the handled material
  • B65H2301/34—Modifying, selecting, changing direction of displacement
  • B65H2301/341—Modifying, selecting, changing direction of displacement without change of plane of displacement
  • B65H2301/3411—Right angle arrangement, i.e. 90 degrees
  • B65H2301/34112—Right angle arrangement, i.e. 90 degrees changing leading edge
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2404/00—Parts for transporting or guiding the handled material
  • B65H2404/70—Other elements in edge contact with handled material, e.g. registering, orientating, guiding devices
  • B65H2404/72—Stops, gauge pins, e.g. stationary
  • B65H2404/723—Stops, gauge pins, e.g. stationary formed of forwarding means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2601/00—Problem to be solved or advantage achieved
  • B65H2601/20—Avoiding or preventing undesirable effects
  • B65H2601/25—Damages to handled material
  • B65H2601/252—Collapsing, e.g. of piles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2801/00—Application field
  • B65H2801/48—Bookbinding
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2801/00—Application field
  • B65H2801/81—Packaging machines

Definitions

• the invention relates to a device for transporting stacks of flat parts, in particular stacks of paper from a stacking station to a downstream processing station in a plant of the paper-processing industry, with a conveyor having a transfer area for taking over a stack, defining a subsequent to the transfer zone transport path and is formed, the stacks in the takeover zone at an angle, preferably approximately transversely, to take over the direction of the transport path and to promote at a predetermined conveying speed along the transport path in the transport direction.
• EP 1 348 651 A2 discloses a device for transferring paper sheet stacks from a collecting station to two discharge conveyors oriented at right angles to the process processing direction and spaced in parallel by means of two transfer conveyors, which are designed as gripper conveyors, while the transverse discharge conveyors each have two sub-conveyor belts. Similar devices and systems are described for example in DE 10 2004 042 899 A1 and DE 44 15 047 A1.
• Such a device for transporting stacks is usually between a stacking station and a downstream processing station. on to provide stacks formed from previously cut flat sheets from the stacking station to the further processing station.
• the stacks are successively removed from the stacking station using said transfer conveyor and spent in the transfer zone of the conveyor, namely at an angle or transverse to the direction of the transport path of the conveyor, which takes over the function of said discharge conveyor.
• Such a device is used in particular in a plant of the paper-processing industry in which books are made from stacks of already printed paper sheets.
• the stacks are bound in the further processing station, after they have usually been provided with a cover before. It is important that the delivered stacks do not slip or get damaged during their transport. However, especially at higher transport speeds, there is the danger that the stacks may lose their shape or be damaged during transport.
• a device for transporting stacks of flat parts, in particular stacks of paper from a stacking station to a downstream processing station in a plant of the paper-processing industry with a conveyor having a takeover zone for taking over a stack, a subsequent to the takeover zone Transport path is defined and formed, the stacks in the takeover zone at an angle, preferably approximately transversely, to take over the direction of the transport path and to promote at a predetermined conveying speed along the transport path in the transport direction, characterized by a stop which is movable and designed in the direction of the transport path to arrive in the pick-up zone in abutment with a trailing side edge of a stack and during the subsequent transport of the stack by means of the Conveyor to temporarily stay in abutment on the trailing side edge of the stack to stabilize it.
• a stack can be stabilized during its transport in a structurally simple and at the same time effective manner.
• the stopper acts like a rear-end operator, but unlike a stacker, it is not stationary, but moves with the stack.
• the stop In order to remain during the transport of the stack in contact with the trailing edge of the page, although the stop must be carried along in the transport direction and thus moved; however, the stop substantially does not take on the function of a slider or any other kind of transport function for actively conveying the stack.
• the "flat parts” forming the stacks are understood to mean, in particular, paper sheets of the paper-processing industry, but also other flat articles, such as film sections made of plastic, metal, nonwovens, paper or the like; Speech standing flat parts not limited.
• the stop between an initial position in which it is located on a side of the transfer zone located farthest from the transport path, and a movable from the initial position in the transport direction end position is preferably movable.
• the end position is located in a subsequent to the acquisition zone section of the transport path.
• the conveyor preferably has two juxtaposed and acting in the transport direction conveying means, between which the stopper is arranged.
• the two conveying means each consist of a conveyor belt endlessly revolving in the direction of the transport path and a gap is formed between these two conveyor belts, along which the stop can be moved.
• the stop can basically be provided with any suitable shape.
• the stop may preferably have a finger, in particular a pin-shaped or rod-shaped finger, which projects from the transport plane, which is formed by the transport path and on which the stacks lie, at an angle to the transport plane, preferably at approximately a right angle.
• a drive for moving the stop is provided.
• the drive is preferably a linear drive.
• the drive should be positioned below the transport plane, which is formed by the transport path and on which the stacks rest.
• the speed of movement of the stop must be substantially that generated by the conveyor Corresponding conveying speed, which in turn corresponds to the speed of movement of the stack.
• a control device should be suitably provided, which controls the drive for the stop accordingly. This control device may also be preferably configured to further adjust the speed of movement so that there is sufficient time to return the stop to the transfer zone after release from the stack before a next stack enters the transfer zone.
• the second conveying device is the device according to the invention for transporting stacks of flat parts and the first conveying device is designed to convey the stack removed from the stacking station into the takeover zone ,
• the first conveyor direction to a forceps conveyor, which is adapted to grip a stack formed in the stacking station to remove from the stacking station and store in the transfer zone.
• Figure 1 shows a schematic side view of an end region of a paper processing plant and a transfer conveyor and a cross conveyor;
• Figure 2 schematically in an enlarged detail view of the transverse conveyor in plan view
• FIG. 3 shows the transverse conveyor of Figure 2 in side view with a longitudinal section along the line III-III of Figure 2;
• Figure 4 shows the transverse conveyor of Figure 2 in relation to the side view of Figure 4 rotated by 90 ° and enlarged front view.
• FIG. 1 is a schematic side view of a plant of the paper-processing industry exemplified considered in the process direction according to arrow A, downstream end portion of a conveyor station 2 with an endless conveyor belt 4, which is deflected at its downstream end via a guide roller 6. Arches 8 are conveyed to a collecting station 10 located downstream via the conveyor belt 4 of the conveyor station 2.
• the collecting station 10 is also part of the mentioned plant of the paper-processing industry and serves as a stack tray to form stacks from the zuge felicitten sheets 8, including the collecting station 10 is limited, inter alia, by a front implement 12 and a vertically movable table 14 for filing and formation of the Stack and a pivotally mounted separating finger 16 for separating the stack for the removal of a finished stack from the table 14.
• rolls are used which consist of a wound continuous sheet of sheet paper, which is unwound from the corresponding roll for subsequent processing.
• the subsequent processing steps in such a plant usually include longitudinal and transverse cutting of the sheet web into sheets of a predetermined size, for which corresponding longitudinal cutting and cross cutting stations are provided.
• the finished sheets are stacked at the end of the processing process, for which purpose the collection station 10 already mentioned above is provided.
• the cut sheets are decelerated on their way to collecting station 10 and thereby brought into an overlapping arrangement. If the sheets are to be printed with desired printed images, which is the case in particular when book blocks are to be produced in the system, a corresponding printing station is provided which preferably lies upstream of the longitudinal and transverse cutting stations.
• a transfer conveyor 20 For the removal of a finished stack 18, which may be so-called. Clips, benefits, giant, book blocks or simple stack of sheets, from the collection station 10, a transfer conveyor 20 is provided. Since the transfer conveyor 20 removes the finished stack 18 from the collection station 10, the collection station 10 also has the function of a transfer station. In the illustrated embodiment, the transfer conveyor 20 in its lower portion an approximately horizontally extending upper double jaw 22 and a likewise horizontally extending lower double jaw 24, which is arranged at a distance below the upper double jaw 22.
• the transfer conveyor 20 engages with its two double jaws 22, 24 in the manner of a pair of pliers by the upper double jaw 22 is brought into abutment with the top of the stack 18 and the lower double jaw 24 engages under the stack 18 , as shown in FIG. 1 can be seen schematically.
• the transfer conveyor 20 further comprises a substantially vertically arranged column 26, at the lower portion of the two double jaws 22, 24 sit.
• the arrangement of the two double jaws 22, 24 is made in this way, that they are independently movable in the vertical direction according to double arrow B, along the column 26 or optionally together with the column 26, to which the transfer conveyor 20 is further provided with a corresponding lifting drive 28.
• the transfer conveyor 20 is designed as a forceps conveyor.
• a transverse conveyor 30 Adjacent to the collecting station 10, a transverse conveyor 30 is further provided in the illustrated embodiment, which has a circulating conveyor belt 32, of which in Fig. 1 substantially only the upper strand is schematically visible, the outer and top of the stack 18 receives, as shown 1 also shows schematically.
• the process direction of the plant (partially and schematically illustrated) of the paper-processing industry and thus also the conveying direction of the sheets 8 are oriented from left to right and the transfer conveyor 20 removes the finished stack 18 from the collecting station 10 and transports him to the cross conveyor 30 in the same direction, which is indicated at two points in Fig. 1 equally by the arrow "A".
• the cross conveyor 30 is oriented with its conveyor belt 32 transversely to the direction indicated by arrow A, at right angles to the viewing plane of Fig. 1, so that the transferred from the transfer conveyor 20 from the collection station 10 in the direction of arrow A stack 18 transported laterally through the cross conveyor 30 become.
• the cross conveyor 30 leads to a downstream bookbinding machine and / or a downstream packaging machine, which are not shown in the figures.
• the packaging machine the stacks 18 are then wrapped with packaging material and / or packaged in larger units.
• FIGS. 2 to 4 show, in an enlarged detail view, the transverse conveyor 30 in a preferred embodiment of the invention. Recognizable in Figures 2 to 4 is already mentioned with reference to FIG. 1 and shown there schematically, endless circulating conveyor belt 32 which forms a part of the transverse conveyor 30 and, as the figures 2 to 4 further recognize, in the illustrated embodiment in two Halves or sub-conveyor belts 32a, 32b is divided.
• the two partial conveyor belts 32a, 32b forming the conveyor belt 32 are arranged on the upper side of a frame 34 and are deflected together around deflection rollers or rollers 35, 36, of which a deflection roller 35 is driven by a drive 38.
• FIG. 2 shows, in conjunction with FIG. 1, that the transverse conveyor 30 with its conveyor belt 32 or the partial conveyor belts 32a, 32b is oriented transversely to the transport direction indicated by the arrow A, which in the end region of FIG Investment of the paper industry prevails. Therefore, in Fig. 2, the conveying direction characterizing arrows C are directed transversely to the arrow A.
• the transport direction of the installation according to FIG. 1 is perpendicular to the image viewing plane and in FIG. 4 the conveying direction of the transverse conveyor 30 is perpendicular to the image viewing plane.
• the left end portion of the cross conveyor 30 according to FIGS. 2 and 3 forms its upstream proximal inlet end.
• a so-called takeover zone 40 is jointly defined on the upper run of the sub-conveyor belts 32a, 32b, in which a stack 18 removed from the transfer station 20 from the collection station 10 is deposited on the upper run of the sub-conveyor belts 32a, 32b.
• the conveying direction of the partial conveyor belts 32a, 32b according to arrow C is oriented so that a taken over in the transfer zone 40 stack 18 is transported away from the transfer zone 40 out.
• FIGS. 2 to 4 show, the drive 38 for the partial conveyor belts 32a, 32b is arranged at the proximal inlet-side end of the transverse conveyor 30 and thus adjacent to the outside of the transfer zone 40 defined there.
• Such a choice of installation location results in a relatively space-saving arrangement of the drive 38, while the opposite, distal outlet end 30b of the cross conveyor 30 is free of aggregates o. The like., Which is advantageous for the coupling with a subsequent module or station.
• FIG. 4 shows the transverse conveyor 30 in an end view in the direction of the mentioned outside of the takeover zone 40.
• the two partial conveyor belts 32a, 32b extend parallel to each other at a relatively small distance from each other, so that a slot 42 is formed between them.
• a finger 44 extends and protrudes from the top of the upper run of the sub-conveyor belts 32a, 32b up.
• the finger 44 is oriented perpendicular to the transport plane defined by the upper strands of the sub-conveyor belts 32a, 32b, in the image viewing plane of Figure 2, and at right angles to the image viewing plane of Figures 3 and 4 is stretched.
• the finger 44 is movable along the slot 42 in the conveying direction according to arrow C and in the opposite direction.
• the finger 44 is mounted reciprocally reciprocally movable with its underside on a rail system 46, which below the upper run of the sub-conveyor belts 32a, 32b and in the illustrated Embodiment between the upper and lower runs of the sub-conveyor belts 32a, 32b is arranged, as Fig. 3 shows schematically.
• a drive 48 is further provided, which is also below the upper strands of the sub-conveyor belts 32a, 32b and in the illustrated embodiment between the upper and lower runs of the sub-conveyor belts 32a, 32b arranged and has a linear electric motor.
• the finger 44 is movable between a left, upstream starting position according to FIGS. 2 and 3 and a downstream end position spaced apart from the initial position in the conveying direction according to the arrow C.
• the finger 44 serves to stabilize a stack 18 during its transport on the transverse conveyor 30 along in the conveying direction according to arrow C.
• the finger 44 acts like a rear-mounted operator, but unlike a stacking tray is not stationary, but with the stack 18th emotional.
• the finger 44 comes into contact with the trailing side edge 18a of the stack 18 and remains there during the transport of the stack 18 through the sub-conveyor belts 32a, 32b in the conveying direction according to arrow C.
• the finger 44 supports the trailing side edge 18a of the stack 18, which ensures that, in particular due to acceleration forces during movement, shifts between the sheets in the stack 18 are avoided even with higher lability, the side edge 18a retains its straight, flat shape and especially at higher transport speeds a gentle transport of the stack 18 under more accurate Maintaining its shape is guaranteed.
• This is for downstream processing of the stack 18 downstream is of importance from the cross conveyor 30 in the required quality.
• the drive 48 In order to remain during the transport of the stack 18 in the conveying direction according to arrow C in contact with the trailing side edge 18a, although the drive 48 must carry the finger 44 accordingly; however, the finger 44 does not substantially perform the function of a slider or other type of transport function to actively move or convey the stack 18.
• the movement speed of the finger generated by the drive 48 must substantially correspond to the conveying speed of the partial conveyor belts 32a, 32b generated by the drive 38, which in turn corresponds to the speed of movement of the stack 18.
• a controller not shown in the figures is provided, which controls the drive 48 for the finger 44 accordingly.
• this control device controls the drive 44 so that after reaching the downstream end of the route and after release from the stack 18 of the fingers 44 is moved back in such a movement speed in its initial position that this sufficient time before a next batch in the takeover zone 40 arrives.
• cross conveyor 30 in the illustrated embodiment, only with a single conveyor belt 32, which is indeed divided into two sub-conveyor belts 32a, 32b, is provided, but in principle the use of two or more cross conveyors is conceivable.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Delivering By Means Of Belts And Rollers (AREA)
• Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=48170494

Family Applications (1)

Country Status (2)

Cited By (1)

Citations (3)

Family Cites Families (4)

• 2012
  • 2012-04-25 DE DE201210206856 patent/DE102012206856A1/de not_active Ceased
• 2013
  • 2013-04-25 WO PCT/EP2013/058632 patent/WO2013160403A2/fr not_active Ceased

Patent Citations (3)

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