EP2386512A1 - Apparatus and process for conveying flexible flat products - Google Patents
Apparatus and process for conveying flexible flat products Download PDFInfo
- Publication number
- EP2386512A1 EP2386512A1 EP11003588A EP11003588A EP2386512A1 EP 2386512 A1 EP2386512 A1 EP 2386512A1 EP 11003588 A EP11003588 A EP 11003588A EP 11003588 A EP11003588 A EP 11003588A EP 2386512 A1 EP2386512 A1 EP 2386512A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transfer section
- perforated
- vacuum
- products
- belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
- B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
- B65H29/042—Intermediate conveyors, e.g. transferring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
- B65H29/241—Suction devices
- B65H29/242—Suction bands or belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/66—Advancing articles in overlapping streams
- B65H29/6609—Advancing articles in overlapping streams forming an overlapping stream
-
- 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
- B65H2301/342—Modifying, selecting, changing direction of displacement with change of plane of displacement
- B65H2301/3422—Modifying, selecting, changing direction of displacement with change of plane of displacement by travelling a path section in arc of circle
-
- 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
- B65H2301/40—Type of handling process
- B65H2301/44—Moving, forwarding, guiding material
- B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
- B65H2301/4471—Grippers, e.g. moved in paths enclosing an area
- B65H2301/44712—Grippers, e.g. moved in paths enclosing an area carried by chains or bands
-
- 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
- B65H2301/40—Type of handling process
- B65H2301/44—Moving, forwarding, guiding material
- B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
- B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
- B65H2301/44735—Belts, endless moving elements on which the material is in surface contact suction belt
-
- 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
- B65H2404/20—Belts
- B65H2404/26—Particular arrangement of belt, or belts
- B65H2404/269—Particular arrangement of belt, or belts other arrangements
- B65H2404/2691—Arrangement of successive belts forming a transport path
-
- 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
- B65H2404/20—Belts
- B65H2404/26—Particular arrangement of belt, or belts
- B65H2404/269—Particular arrangement of belt, or belts other arrangements
- B65H2404/2693—Arrangement of belts on movable frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2405/00—Parts for holding the handled material
- B65H2405/50—Gripping means
- B65H2405/55—Rail guided gripping means running in closed loop, e.g. without permanent interconnecting means
- B65H2405/552—Rail guided gripping means running in closed loop, e.g. without permanent interconnecting means with permanent interconnection and determined spacing between the grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/13—Parts concerned of the handled material
- B65H2701/131—Edges
- B65H2701/1313—Edges trailing 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
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
- B65H2701/1932—Signatures, folded printed matter, newspapers or parts thereof and books
Definitions
- the present invention relates to a device and a method for transporting flexible, flat products according to claim 1 or 13.
- the printed products are often transported by means of staple transporters. It often happens that the printed products are released from the staple transporters on the belt conveyor for further processing.
- the transfer of the printed products from the staple conveyor to the belt conveyors has the problem that they flutter and, in particular, become restless after being released by the clamps of the staple transporters and there is a risk that they will lose their ordered position.
- the clamps of the staple transporter are intended to hold and transport with their clamp mouth a flexible, flat product, in particular a printed product such as a newspaper, a magazine or the like, at its holding area adjacent to a holding edge. Since the products are held in the clamp mouth, they have a well-defined position.
- the trajectory of the Klammermäuler that is the free end of the Klammerzeuler, in a transfer section, in which the products are transferred from the staple conveyor to a belt conveyor, an arcuate course.
- the course over the entire transfer section is arcuate.
- the brackets can each be equipped with a single product. However, it is also possible that the brackets are equipped with more than one product, for example two products, which products are arranged in a scale, so that the holding areas of the products are exposed.
- the belt conveyor is designed as a vacuum belt conveyor with a perforated belt, the active strand runs in the transfer section at a distance from the path of movement of the Klammermäuler.
- the arcuate course of the path of movement of the Klammermäuler causes the products with their free, the retaining edge facing away from the end, safely reach the active run of the vacuum belt conveyor to the plant.
- the vacuum belt conveyor sucks the end area of the products in question on the active strand, stabilizing them and keeping them in a defined position. so that they can not change this situation when you subsequently open the clip in question.
- the trajectory of the Klammermäuler has a curved course and the active run of the vacuum belt conveyor runs in the transfer section at a distance from the trajectory, the mutual distance of the products, or their overlap, is changed during the transfer. If the arcuate course of the movement path is convex, the distance between the free ends of successive products opposite the holding edges of the products is increased. Accordingly, this distance is reduced in a concave course.
- Vacuum belt conveyors have at least one self-contained perforated belt, which is driven circumferentially in the conveying direction and whose holes are connected in the suction section of the active strand with a vacuum source.
- the suction section can extend over virtually the entire length of the active strand. However, it is also possible for the suction section to be subdivided in successive subsections in the conveying direction.
- vacuum belt conveyors are provided with a negative pressure trough connected to the vacuum source via the opening of which the active strand of the perforated belt is moved.
- a negative pressure trough connected to the vacuum source via the opening of which the active strand of the perforated belt is moved.
- the Klammermäuler have in the transfer section on a speed - amount of its vectorial speed - on, which according to the invention is smaller than that Speed - and thus the speed of rotation - of the perforated belt.
- the active strand preferably has a course which is at least approximately curved in the same direction with respect to the movement path. At least approximately arcuate course means that the sheet can also be reproduced by successive, chord-like sections.
- the path of movement of the clamp mouths in the transfer section and preferably over the entire length of the transfer section has a circular arc-shaped course.
- the distance between the trajectory of the Klammerffleuler and the active run of the vacuum belt conveyor is adjustable. This allows optimal processing of differently thick and different lengths of printed products.
- the respective clamp jaws forming clamping tongues of the clamps, and thus the Klammermäuler, about a transverse to the conveying direction, in particular perpendicularly extending bracket axis pivotally mounted.
- This makes it possible, for example by means of a link control, to control the desired pivoting position of the clamp mouths upon reaching the transfer section and within this.
- the staple axis runs parallel to the conveying surface defined by the vacuum belt conveyor.
- the clamp mouths are directed obliquely backwards with respect to the conveying direction. As a result, the free end edge of the products is trailing with respect to their located in the clamp mouth retaining edge.
- the staple conveyor on a guided in a guide channel conveying member.
- This is preferably a link chain, which can be claimed on train and pressure.
- cantilever-type support members are arranged in a predetermined carrier distance, which pass through the gap of a C-shaped cross-section having guide channel. These carry outside the guide channel in each case a clip.
- the exact position and location of each product and thus the position of the products to each other is always predetermined and known.
- the path of movement of the clamp mouths is convex and corresponding to the active run of the vacuum belt conveyor concave.
- the centrifugal forces can be utilized, which press the free end region of the products in contact with the active run of the vacuum belt conveyor.
- the distance between the free end edges of the successive products will be greater than the carrier spacing and thus the distance which these end edges occupy in a rectilinear course of the staple transporter, additionally enlarged.
- the active strand in the transfer section is subdivided into rectilinear segments which follow one another in the conveying direction and thus form chords of the sheet, allowing a concave course of the active strand in the transfer section.
- This embodiment offers the possibility to hold the perforated belt with respect to the arc in the radial direction to the outside between successive segments.
- At least some of the segments are associated with a negative pressure well connected to a vacuum source over which the active run passes. At least the segments located in the suction section of the vacuum belt conveyor are formed in this manner. Preferably, all, possibly except in the conveying direction, the first or the last segment, executed in such a way.
- the perforated belt between each successive segments Q-shaped guided around guide rollers. This allows a low-friction operation.
- the perforated belt in a preferred manner, is supported in the area of the vacuum troughs by means of support rollers against moving into the vacuum troughs.
- the vacuum belt conveyor has, in addition to the perforated belt, at least one further perforated belt driven at the same speed, preferably on both sides.
- the Segments of the further perforated belt or of the further perforated belts are preferably offset relative to the segments of the perforated belt in the conveying direction, so that the area between successive segments of the perforated belt is bridged by a segment of the further perforated belt or the further perforated belts. This ensures uninterrupted holding of the end regions of the products despite segmentation of the active strand.
- the trajectory of the Klammermäuler concave and the active run of the vacuum belt conveyor may be correspondingly convex. It is also a straight-line course of the active strand conceivable. In these embodiments, segmentation of the vacuum belt conveyor is not necessary.
- the distance between the path of movement of the clamp mouths and the active run of the vacuum belt conveyor results in that no nip for the products is formed.
- the transfer section is thus without a gap. The distance is greater than the thickness of the products and, if overlapped, greater than the total thickness of the overlapping products.
- a flexible, flat product is transported by means of a staple transporter into a transfer section.
- the product is held on a holding region of the product in the clamp mouth of staples arranged one behind the other.
- the brackets arranged one behind the other are driven in rotation in a conveying direction F.
- the product transported in the transfer section is in this section in an end area that is separated from its holding area turned away, sucked by a driven in the conveying direction F active strand of a perforated belt of a vacuum belt conveyor.
- the active strand runs at a distance A to the trajectory of the Klammerzeuler.
- the trajectory of the Klammermäuler has a curved course.
- the perforated belt is driven with a tape speed that is greater than the speed with which the Klammerzeuler be driven.
- the active strand runs in the transfer section in the same direction and at least approximately arcuately to the movement path of the clamp mouths.
- the trajectory of the Klammermäuler in the transfer section extends in a circular arc.
- the movement path of the clamp mouths is convex and the active run of the vacuum belt conveyor runs concavely.
- Fig. 1 shows a portion of the present invention relating to a device for transporting flexible, flat products 10, in this case printed products such as newspapers, magazines or the like. It has a staple transporter 12 serving as a feed conveyor, the staples 14 of which are driven circumferentially in a conveying direction F and are intended, with their clamping mouth 16, in each case for a product 10 at its holding region 18 connects to a retaining edge 20, hold and transport to a transfer section 22.
- a staple transporter 12 serving as a feed conveyor, the staples 14 of which are driven circumferentially in a conveying direction F and are intended, with their clamping mouth 16, in each case for a product 10 at its holding region 18 connects to a retaining edge 20, hold and transport to a transfer section 22.
- the staple conveyor 12 is followed by a belt conveyor designed as a path conveyor 24, which is formed in the transfer section 22 as a vacuum belt conveyor 26.
- the arranged in the transfer section 22 below the Klammertransporteurs 12 vacuum belt conveyor 26 is intended to seep in the transfer section 22 with its driven in the conveying direction F active strand 28 of the perforated strip 30, the products held by the staple conveyor 12 products 10 in their holding edge 20 remote end portion 32 and after subsequent release continue to transport through the brackets 14.
- the release takes place at the downstream end 34 of the transfer section 22, and the vacuum belt conveyor 26 conveys the taken-over products 10 to a belt conveyor 36 of the removal conveyor 24 connected downstream thereof in the conveying direction F and provided with parallel conveyor belts.
- the trajectory 38 of the Klammermäuler 16 has in the transfer section 22 an arcuate course, in the embodiment shown in the drawing with respect to the self-contained Klammertransporteurs a convex, circular arc course.
- the vacuum belt conveyor 26 is arranged radially outwardly with respect to the sheet of the staple transporter such that the active strand 28 in the transfer section 22 has an at least approximately constant distance A from the trajectory 38.
- Each clamp 14 has two cooperating, the clamp mouth 16 forming clamping tongues 40, wherein the one the clamping tongues 40, in the present case, the leading position in the conveying direction F, determines the pivot position of the bracket 14 and thus of the clamp mouth 16 and the other, trailing clamping tongue 40 relative to the leading clamping tongue. 40 is pivoted to open and close the clamp mouth 16.
- the movement path 38 is given by the movement of the free end of the clamping tongues 40 defining the position of the clamps 14, in the illustrated embodiment the leading clamping tongue 40.
- the distance A between the movement path 38 and the vacuum belt conveyor 26 is greater than the thickness of the products to be conveyed 10, and if they overlap, as in the embodiment shown, greater than the total thickness of the products 10 in the overlapping area , The products 10 are thus not held in the transfer section 22 in a nip.
- brackets 14 are particularly suitable embodiments, such as those from the publications EP 0 600 183 A1 .
- EP 0 557 680 A1 and EP 0 557 679 A1 are known.
- Each one clamping jaw 16 forming clamping tongues 40 are pivotable about a perpendicular to the conveying direction F and parallel to the conveyor belt defined by the conveyor belt 26 extending clamping axis 42 relative to each other and in the closed position of the clamp mouth 16 by means of a locking lever 44, see Fig. 3 , locked under spring load.
- One of the clamping tongues 40 in the present case the leading in the conveying direction F, is fixedly connected to a Positionier schemerolle 46, which in a Positionierkulisse 48, for controlling the rotational position of the clip 14 and thus of the clamp mouth 16, is guided.
- the other of the clamping tongues 40 in the embodiment shown, the trailing in the conveying direction F, is connected via a spring with a closing lever 50, which on the one hand carries a freely rotatably mounted follower roller 52 and on the other hand is intended to cooperate with the locking lever 44; please refer Fig. 3 ,
- brackets 14 To close the bracket 14, or the clamp mouth 16, the follower roller 52 is moved by means of a Schlieskul link not shown such that the locking lever 50 connected via the spring clamping tongue 40 against the other, on the Positionier Eisenrolle 46 and the Positionierkulisse 48 in position held clamping tongue 40 is pivoted and that while, as a result of concern of the clamping tongues 40 to each other, or an interposed product 10, to produce the clamping force, the spring tensioned and the locking lever 50 with the locking lever. 44 is locked.
- the locking lever 44 To open the clip 14, at the end 34 of the transfer section 22, the locking lever 44 is pivoted by means of an opening apparatus 54 such that it releases the closing lever 50 and the associated clamping tongue 40 can move into the open position.
- the structure and operation of such brackets 14 is explained in detail in the above-mentioned documents and the relevant disclosure is hereby incorporated into the present description.
- the opening apparatus 5.4 is arranged such that it Clamp 14, which moves past it in each case, opens when the clamping tongue 40 determining the movement path 38 is located at the downstream end 34 of the transfer section 22.
- Each of the brackets 14 is secured in a known manner to a cantilever-type support member 56.
- the support members 56 are in turn attached to a predetermined support distance to a self-contained conveyor member 58, which is preferably formed by a loadable on train and pressure link chain.
- the conveyor member 58 is guided in a guide channel 60 with a C-shaped cross section, wherein the support members 56 pass through the gap 62 of the guide channel 60, so that the brackets 40 are located outside of the guide channel 60; in the illustrated embodiment, with respect to the arcuate course radially outside the guide channel 60th
- the guide channel 60 extending in a vertical plane in the region of the device according to the invention runs in the vertical direction towards the bottom, then in a 90 ° circular arc section 61 through the transfer section 22, and at the end 34 of the transfer section 22 a short rectilinear section 64 connects.
- the deflection and drive wheel 66 again follows a rectilinear section 68 of the guide channel 60.
- the deflection and drive wheel 66 driven in the direction of rotation D drives the conveying element 58 and thus the clips in the conveying direction F.
- the clamps 14 are aligned by means of the Positionierkulisse 48 in its pivotal position such that upon reaching the transfer section 22 and up to the end 34, the Klammerffleuler 16, with respect to the conveying direction F, are directed obliquely backwards.
- the holding edges 20 of the products 10 are leading with respect to the end edges 32 'lying opposite them and, in the transfer section 22, are the holding edges 20, seen in the radial direction, farther inward than the end edges 32' and the subsequent end region 32.
- the pivotal position of the clamps 14 is maintained in the transfer section 22 with respect to the conveying direction F, so that the movement path 38 runs at a constant distance from the guide channel 60 and thus has a circular arc-shaped course in the transfer section 22.
- the staple transporter 12 are associated with guide rods 70, which at a fixed distance to the guide channel 60 and the movement path 38, seen in the conveying direction F, to the vacuum belt conveyor 26 toward.
- the products 10 held by the clip 40 slide along their end portion 32 along these guide rods 70, which ensure that the products 10 have their obliquely rearward, optionally curved, position as shown in FIG Fig. 1 is shown, even in vertically downwardly extending portion and maintained at standstill of the staple transporter 12.
- the vacuum belt conveyor 26 is designed to be adjustable in the vertical direction by the distance A between the movement path 38 and the active strand 28, in dependence of the thickness of the products to be processed 10 to be able to adjust.
- the vacuum belt conveyor 26 has at least one self-contained perforated belt 30, which is driven such that the active strand 28 in the conveying direction F at a rotational speed and thus belt speed
- the angular velocity ⁇ at least approximately equal.
- a single perforated belt 30 is provided, this is preferably arranged symmetrically to the plane in which the trajectory 38 extends. If two perforated belts 30 are provided, there is, in a preferred manner, with respect to this plane on each side of one of the perforated belts 30.
- the vacuum belt conveyor 26 is as in the Fig. 2 and 3 shown formed with a perforated tape 30 in the middle and on each side of this perforated belt 30 a further perforated belt 30 '.
- the active run (28) of the centrally arranged perforated belt 30 is formed by four, in the conveying direction F, successive rectilinear, at least approximately equal length segments 72 which are arranged at angles to each other and, forming tendons, simulate the concave arc.
- in the conveying direction F is the second, third and fourth segment 72 each associated with a vacuum pan 74, as described in more detail below.
- the first segment 72 thus serves exclusively to guide the end regions 32 of the products 10 while the second, third and fourth segments 72 a Suction section 76 of the active strand 28 of the perforated tape 30 form.
- the active strand 28 extends in the illustrated embodiment over an angle of about 40 °.
- the two further perforated belts 30 'arranged laterally of the perforated belt 30 form in the region of the active run 28, in a manner similar to the perforated belt 30, rectilinear segments 72' which follow one another in the conveying direction F and are arranged at angles to one another, also Tendons of the bow forming to simulate the concave course.
- the first and last segments 72 ', viewed in the conveying direction F, are formed approximately half as long as the respective segments 72 of the perforated belt 30, while the segments arranged between these segments 72' have approximately the same length as the segments 72 of the perforated belt 30.
- the segments 72 'of the other, also self-contained perforated bands 30' thus bridge the short gaps between the segments 72 of the perforated belt 30 and correspondingly the segments 72 bridge the short gaps between the successive segments 72 'of the further perforated belts 30'.
- each of the middle three segments 72 'of the other perforated belts 30 each have a vacuum pan 74' associated therewith.
- the suction section 76 'of the active strand 28 of the further perforated belts 30' is thus located. in the region of the middle three segments while, viewed in the conveying direction F, respectively first segment 72 'and last segment 72' of the guidance of the end regions 32 of the products 10 is used.
- the suction portion 76 "of the vacuum belt conveyor 26 - see also Fig. 4 which is formed by a combination of the suction portions 76 and 76 'of the first perforated belt 30 and the other perforated belts 30', thus extends, viewed in the conveying direction F, from approximately the middle of the first segment 72 of the perforated belt 30 to the end of the last Segment 72 of this perforated tape 30 out.
- the belt conveyor 26 follows, in the conveying direction F, directly the belt conveyor 36, which in the embodiment shown, four conveyor belts 78 arranged next to each other and at the same speed as the perforated belts 30, 30 'driven.
- FIG. 4 are the centrally located perforated belt 30 and the two perforated belts 30 'arranged laterally therefrom with the associated drive rollers 80 and guide rollers 82 and the vacuum tanks 74, 74' associated with the respective segments 72, 72 'are shown in perspective view. Not shown is provided with a shuttering machine frame - comparisons Fig. 1 to 3 on which the drive rollers 80, guide rollers 82 and the other rollers mentioned below are mounted and the vacuum troughs 74, 74 'are fixed.
- the endless perforated tape 30 - see also Fig. 5 - And the endless other punched tape 30 '- compare too Fig. 7 and 9 - Are provided with a continuous pattern of holes, so that there are always a plurality of continuous suction holes 84 in the region of the vacuum troughs 74, 74 '.
- the perforated belts 30, 30 ' are provided with suction holes 84, successively arranged one behind the other in the direction of rotation U, one behind the other, each having a plurality of suction holes 84 Such rows are in the region of each vacuum pan 74, 74 '.
- Both the perforated belt 30 and the other perforated belts 30 ' are at the upstream end to coaxially freely rotatably mounted guide rollers 82 and at the downstream end to also coaxially mounted, but with each other and with a drive motor M - see Fig. 6 and 8th - Connected drive rollers 80 out.
- the perforated belts 30, 30' in each case ⁇ -like deflected around three parallel axis, arranged in an isosceles triangle, freely rotatably mounted further deflecting rollers 86.
- Two of these three further guide rollers 86 are each arranged immediately one after the other, viewed in the conveying direction F, the upstream of these further circulation rollers 86 at the downstream end of one segment 72, 72 'and the adjacent guide roller 82 at the upstream end of the following segment 72 , 72 'is arranged.
- the third of these further guide rollers 86 is arranged offset with respect to the other two in the direction of the return run 88 down.
- each perforated belt 30, 30 ' is adjacent to the respective drive roller 80 and adjacent to the associated guide roller 82 guided S-shaped around a pair of rollers 90, on the one hand to increase the wrap around the drive roller 80 and guide roller 82 and on the other hand, the distance of the return 88th to increase the active strand 28 and to make room for the intermediate vacuum troughs 74, 74 '.
- the perforated belt 30 and the other perforated belts 30 ' are each guided by a tensioning roller 92, around which the perforated belts 30, 30' are tensioned to keep.
- suction holes 84 are connected to the vacuum source.
- the width of the openings of the vacuum troughs 74, 74 ' is smaller than the width of the associated perforated belt 30, or further perforated belt 30'.
- the width of the other perforated belts 30 ' is greater than the width of the perforated belt 30.
- the further perforated belts 30' associated vacuum pan 74 ' are provided with freely rotatably mounted support rollers 100 to a sucking in of the respective areas of the other perforated belts 30 'in the vacuum troughs 74' into it. How this in particular the Fig.
- each respective vacuum sump 74 ' may be associated with three back-up rollers 100 extending over at least a portion of the width of the opening the vacuum troughs 74 'and freely rotatably seated on bearing shafts which extend at right angles to the conveying direction F and the direction of rotation U through the vacuum troughs 74' and are secured to their side walls.
- the back-up rolls 100 may be made narrow so that they form support wheels. Of course, it is possible to arrange several narrow support rollers 100 and support wheels next to each other on a bearing shaft. Of course, it is also conceivable to provide 74 support rollers 100 in the perforated trays 30 associated vacuum trays.
- the radius at which the guide channel 60 is bent in the transfer section 22 may be, for example, about 500 mm.
- the deflection and drive wheel 66 may have a radius of, for example, 250 mm.
- the support members 56 for example, arranged with a center distance of 100 mm.
- the brackets 24 may be controlled in their pivotal position such that the movement path 38 in the transfer section 22 has a radius of about 600 mm.
- the conveying member 58 is driven at a rotational speed of, for example, 1000 mm / s, the clamp mouths 16 move at a speed
- the movement path 38 in the transfer section 22 preferably extends in a circular arc, wherein the radius of the circular arc for the processing of printed products is preferably chosen smaller than one meter.
- the length of the transfer section 22 is, for example, between 300 mm and one meter, preferably about 500 mm.
- Fig. 10a is shown in a highly simplified manner, the course of the trajectory 38 of the Klammermäuler, where F denotes the conveying direction.
- the course of the movement path 39 of the active strand of the perforated belt of the vacuum belt conveyor is rectilinear.
- the course of the movement paths 38 and 39 is divided into an input section I, a transfer section II and an exit section III.
- the input section I designates the part of the movement paths 38 and 39 leading to the transfer section II.
- the exit section III designates the part of the movement paths 38 and 39 leading away from the transfer section II.
- Also shown in the transfer section II and in the exit section III are radii of curvature 102 and 103 of the movement path 38 of FIG clip mouths. How out Fig.
- Fig. 11a becomes again in a very simplified way another example of the course of the trajectory 38 of the Klammermäuler shown.
- F denotes the conveying direction.
- the course of the movement path 39 of the active strand of the perforated belt of the vacuum belt conveyor is concavely curved.
- the course of the movement paths 38 and 39 is divided into an input section I, a transfer section II and an exit section III.
- the input section I again denotes the part of the movement paths 38 and 39 leading to the transfer section II.
- the exit section III designates the part of the movement paths 38 and 39 leading away from the transfer section II.
- Fig. 12 illustrates the relationship between the angular velocity and the velocities v and w or the velocities
- of the perforated tape is greater than the speed
- the mode of operation of the embodiment of the device according to the invention shown in the figures is as follows.
- the brackets 14 are circulating in the conveying direction F. continuously driven.
- the brackets 14 are equipped in a loading station, not shown, each with a product 10, wherein the brackets 14 with their clamp mouth 16 each detect the product 10 in its adjacent to the retaining edge 20 holding portion 18 and hold.
- the clamps 14 are fed to the transfer section 22 with a pivoting position, such that the free end edge 32 'lying opposite the holding edge 20 and thus the end region 32 adjoining thereto are trailing with respect to the holding edge 20, viewed in the conveying direction F.
- the products 10 slide with their end region 32 along the guide rods 70 and then, supported by the centrifugal forces and as a result of the convex course of the movement path 38 of the clamp mouths 16, arrive at the active strand 28 located radially outwards the vacuum belt conveyor 26 with its end portion 32 to the plant.
- the end regions 32 of the products 10 are supported over a large area, whereby they calm down.
- the end regions 32 are firmly sucked on the perforated belt 30 and further perforated belt 30 'and held thereby.
- the staples 14 passing there are respectively opened, whereby the respective products 10 are released At this time they are held by the vacuum belt conveyor 26, they can not change their position relative to each other to the perforated belt 30, 30 'The products 10 are kept stable when their holding area 18 is released Vacuum belt conveyor 26 with a defined changed distance between the holding edges 20 consecutive Products 10.
- the stabilized products 10 are released from the vacuum belt conveyor 26 at the downstream end of the suction section 76 and transported away by the downstream belt conveyor 36 in an orderly formation.
- the length of the transfer section 22 is greater than the extent of the largest products 10 to be transported measured in the conveying direction F.
- the width of the suction-active region of the vacuum belt conveyor 26, measured at right angles to the conveying direction F, is chosen smaller than the width of the smallest products 10 to be transported in this respect.
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Abstract
Description
Die vorliegende Erfindung betrifft eine Vorrichtung und ein Verfahren zum Transportieren von flexiblen, flächigen Produkten gemäss Patentanspruch 1 beziehungsweise 13.The present invention relates to a device and a method for transporting flexible, flat products according to claim 1 or 13.
Insbesondere in Versandräumen von Druckereien werden vielmals die Druckereiprodukte mittels Klammertransporteuren transportiert. Dabei kommt es häufig vor, dass die Druckereiprodukte für die Weiterverarbeitung von den Klammertransporteuren am Bandförderer abgegeben werden. Bei grossen Verarbeitungskapazitäten und den damit verbundenen hohen Fördergeschwindigkeiten besteht beim Transfer der Druckereiprodukte vom Klammertransporteur an die Bandförderer das Problem, dass sie flattern und insbesondere nach der Freigabe durch die Klammern der Klammertransporteure sich unruhig verhalten und die Gefahr besteht, dass sie die geordnete Lage verlieren.Especially in mailrooms of printing companies, the printed products are often transported by means of staple transporters. It often happens that the printed products are released from the staple transporters on the belt conveyor for further processing. In the case of large processing capacities and the associated high conveying speeds, the transfer of the printed products from the staple conveyor to the belt conveyors has the problem that they flutter and, in particular, become restless after being released by the clamps of the staple transporters and there is a risk that they will lose their ordered position.
Es ist deshalb eine Aufgabe der vorliegenden Erfindung, eine Vorrichtung und ein Verfahren zum Transportieren von flexiblen, flächigen Produkten zu schaffen, welche beziehungsweise welches einen sicheren und zuverlässigen Transfer der Produkte von einem Klammertransporteur an einen Bandförderer, selbst bei hohen Fördergeschwindigkeiten, gewährleistet.It is therefore an object of the present invention to provide an apparatus and method for transporting flexible sheet products which ensures safe and reliable transfer of the products from a staple transporter to a belt conveyor even at high conveying speeds.
Diese Aufgabe wird mit einer Vorrichtung, welche die Merkmale des Patentanspruchs 1, und einem Verfahren, das die Merkmale des Patentanspruchs 13 aufweist, gelöst.This object is achieved with a device having the features of patent claim 1, and a method having the features of claim 13.
Die Klammern des Klammertransporteurs sind dazu bestimmt, mit ihrem Klammermaul ein flexibles, flächiges Produkt, insbesondere ein Druckereiprodukt wie eine Zeitung, eine Zeitschrift oder dergleichen, bei dessen an eine Haltekante angrenzenden Haltebereich zu halten und zu transportieren. Da die Produkte im Klammermaul festgehalten sind, weisen sie eine genau definierte Lage auf. Erfindungsgemäss weist die Bewegungsbahn der Klammermäuler, das heisst des freien Endes der Klammermäuler, in einem Transferabschnitt, in welchem die Produkte vom Klammertransporteur an einen Bandförderer transferiert werden, einen bogenförmigen Verlauf auf. Bevorzugt ist der Verlauf über den gesamten Transferabschnitt bogenförmig.The clamps of the staple transporter are intended to hold and transport with their clamp mouth a flexible, flat product, in particular a printed product such as a newspaper, a magazine or the like, at its holding area adjacent to a holding edge. Since the products are held in the clamp mouth, they have a well-defined position. According to the invention, the trajectory of the Klammermäuler, that is the free end of the Klammermäuler, in a transfer section, in which the products are transferred from the staple conveyor to a belt conveyor, an arcuate course. Preferably, the course over the entire transfer section is arcuate.
Die Klammern können jeweils mit einem einzigen Produkt bestückt sein. Es ist jedoch auch möglich, dass die Klammern mit mehr als einem Produkt, beispielsweise zwei Produkten, bestückt sind, wobei diese Produkte schuppenartig angeordnet sind, sodass die Haltebereiche der Produkte frei liegen.The brackets can each be equipped with a single product. However, it is also possible that the brackets are equipped with more than one product, for example two products, which products are arranged in a scale, so that the holding areas of the products are exposed.
Erfindungsgemäss ist der Bandförderer als Vakuumbandförderer mit einem Lochband ausgebildet, dessen aktives Trum im Transferabschnitt mit Abstand zur Bewegungsbahn der Klammermäuler verläuft.According to the invention, the belt conveyor is designed as a vacuum belt conveyor with a perforated belt, the active strand runs in the transfer section at a distance from the path of movement of the Klammermäuler.
Der bogenförmige Verlauf der Bewegungsbahn der Klammermäuler führt dazu, dass die Produkte mit ihrem freien, der Haltekante abgewandten Endbereich, sicher an das aktive Trum des Vakuumbandförderers zur Anlage gelangen. Der Vakuumbandförderer saugt den Endbereich der betreffenden Produkte am aktiven Trum fest, wodurch jene stabilisiert und in definierter Lage gehalten werden, sodass sie beim nachfolgenden Öffnen der betreffenden Klammer diese Lage nicht mehr ändern können.The arcuate course of the path of movement of the Klammermäuler causes the products with their free, the retaining edge facing away from the end, safely reach the active run of the vacuum belt conveyor to the plant. The vacuum belt conveyor sucks the end area of the products in question on the active strand, stabilizing them and keeping them in a defined position. so that they can not change this situation when you subsequently open the clip in question.
Da die Bewegungsbahn der Klammermäuler einen bogenförmigen Verlauf aufweist und das aktive Trum des Vakuumbandförderers im Transferabschnitt mit Abstand zur Bewegungsbahn verläuft, wird beim Transfer auch der gegenseitige Abstand der Produkte, beziehungsweise deren Überlappung, verändert. Ist der bogenförmige Verlauf der Bewegungsbahn konvex, wird der Abstand zwischen den den Haltekanten der Produkte gegenüberliegenden freien Endkanten aufeinander folgender Produkte vergrössert. Entsprechend wird bei einem konkaven Verlauf dieser Abstand verringert.Since the trajectory of the Klammermäuler has a curved course and the active run of the vacuum belt conveyor runs in the transfer section at a distance from the trajectory, the mutual distance of the products, or their overlap, is changed during the transfer. If the arcuate course of the movement path is convex, the distance between the free ends of successive products opposite the holding edges of the products is increased. Accordingly, this distance is reduced in a concave course.
Vakuumbandförderer weisen mindestens ein in sich geschlossenes Lochband auf, welches umlaufend in Förderrichtung angetrieben ist und dessen Löcher im Saugabschnitt des aktiven Trums mit einer Unterdruckquelle verbunden sind. Der Saugabschnitt kann sich dabei um praktisch die gesamte Länge des aktiven Trums erstrecken. Es ist jedoch auch möglich, dass der Saugabschnitt in, in Förderrichtung, aufeinander folgende Unterabschnitte unterteilt ist.Vacuum belt conveyors have at least one self-contained perforated belt, which is driven circumferentially in the conveying direction and whose holes are connected in the suction section of the active strand with a vacuum source. The suction section can extend over virtually the entire length of the active strand. However, it is also possible for the suction section to be subdivided in successive subsections in the conveying direction.
Üblicherweise sind Vakuumbandförderer mit einer mit der Unterdruckquelle verbundenen Unterdruckwanne versehen über deren Öffnung hinweg das aktive Trum des Lochbandes bewegt wird. Dadurch sind die jeweils sich im Bereich der Öffnung befindenden Löcher des Lochbandes mit der Unterdruckquelle verbunden.Usually, vacuum belt conveyors are provided with a negative pressure trough connected to the vacuum source via the opening of which the active strand of the perforated belt is moved. As a result, each located in the region of the opening holes of the perforated belt are connected to the vacuum source.
Die Klammermäuler weisen im Transferabschnitt eine Schnelligkeit - Betrag ihrer vektoriellen Geschwindigkeit - auf, welche erfindungsgemäss kleiner ist als die Schnelligkeit - und somit die Umlaufgeschwindigkeit - des Lochbandes.The Klammermäuler have in the transfer section on a speed - amount of its vectorial speed - on, which according to the invention is smaller than that Speed - and thus the speed of rotation - of the perforated belt.
Bevorzugt weist, im Transferabschnitt, das aktive Trum einen zur Bewegungsbahn gleichsinnigen, wenigstens annähernd bogenförmigen Verlauf auf. Wenigstens annähernd bogenförmigen Verlauf bedeutet, dass der Bogen auch durch aufeinander folgende, sehnenartige Abschnitte nachgebildet sein kann.In the transfer section, the active strand preferably has a course which is at least approximately curved in the same direction with respect to the movement path. At least approximately arcuate course means that the sheet can also be reproduced by successive, chord-like sections.
In einer bevorzugten Ausführungsform der erfindungsgemässen Vorrichtung weist die Bewegungsbahn der Klammermäuler im Transferabschnitt und bevorzugt über die gesamte Länge des Transferabschnitts einen kreisbogenförmigen Verlauf auf. Dadurch bleibt der Abstand der Produkte beziehungsweise deren freien Endkanten im Transferabschnitt mindestens annähernd konstant.In a preferred embodiment of the device according to the invention, the path of movement of the clamp mouths in the transfer section and preferably over the entire length of the transfer section has a circular arc-shaped course. As a result, the distance of the products or their free end edges in the transfer section remains at least approximately constant.
In bevorzugter Weise ist der Abstand zwischen der Bewegungsbahn der Klammermäuler und dem aktiven Trum des Vakuumbandförderers einstellbar. Dadurch wird die optimale Verarbeitung unterschiedlich dicker und unterschiedlich langer Druckereiprodukte ermöglicht.Preferably, the distance between the trajectory of the Klammermäuler and the active run of the vacuum belt conveyor is adjustable. This allows optimal processing of differently thick and different lengths of printed products.
In einer weiteren bevorzugten Ausführungsform der erfindungsgemässen Vorrichtung sind die jeweils ein Klammermaul bildenden Klemmzungen der Klammern, und somit die Klammermäuler, um eine zur Förderrichtung quer, insbesondere rechtwinklig verlaufende Klammerachse schwenkbar gelagert. Dies ermöglicht, beispielsweise mittels einer Kulissensteuerung, die gewünschte Schwenklage der Klammermäuler beim Erreichen des Transferabschnitts und innerhalb dieses zu steuern. Im Besonderen verläuft die Klammerachse parallel zur vom Vakuumbandförderer definierten Förderfläche. In bevorzugter Weise sind die Klammermäuler beim Erreichen des Transferabschnitts und im Transferabschnitt bezüglich der Förderrichtung schräg nach hinten gerichtet. Dadurch ist die freie Endkante der Produkte bezüglich ihrer sich im Klammermaul befindenden Haltekante nachlaufend.In a further preferred embodiment of the device according to the invention, the respective clamp jaws forming clamping tongues of the clamps, and thus the Klammermäuler, about a transverse to the conveying direction, in particular perpendicularly extending bracket axis pivotally mounted. This makes it possible, for example by means of a link control, to control the desired pivoting position of the clamp mouths upon reaching the transfer section and within this. In particular, the staple axis runs parallel to the conveying surface defined by the vacuum belt conveyor. In a preferred manner, when the transfer section and in the transfer section are reached, the clamp mouths are directed obliquely backwards with respect to the conveying direction. As a result, the free end edge of the products is trailing with respect to their located in the clamp mouth retaining edge.
In bevorzugter Weise weist der Klammertransporteur ein in einem Führungskanal geführtes Förderorgan auf. Dabei handelt es sich in bevorzugter Weise um eine Gliederkette, welche auf Zug und Druck beanspruchbar ist. Am Förderorgan sind in einem vorbestimmten Trägerabstand auslegerartige Tragorgane angeordnet, welche den Spalt des einen C-förmigen Querschnitt aufweisenden Führungskanals durchgreifen. Diese tragen ausserhalb des Führungskanals jeweils eine Klammer. Bei einer derartigen Ausführungsform ist die genaue Position und Lage jedes Produkts und somit die Lage der Produkte zueinander immer vorgegeben und bekannt.Preferably, the staple conveyor on a guided in a guide channel conveying member. This is preferably a link chain, which can be claimed on train and pressure. On the conveyor member cantilever-type support members are arranged in a predetermined carrier distance, which pass through the gap of a C-shaped cross-section having guide channel. These carry outside the guide channel in each case a clip. In such an embodiment, the exact position and location of each product and thus the position of the products to each other is always predetermined and known.
In einer bevorzugten Ausführungsform der erfindungsgemässen Vorrichtung ist im Transferabschnitt die Bewegungsbahn der Klammermäuler konvex und entsprechend der aktive Trum des Vakuumbandförderers konkav. Durch diese Ausführungsform können die Fliehkräfte ausgenützt werden, welche den freien Endbereich der Produkte in Anlage an das aktive Trum des Vakuumbandförderers drücken.In a preferred embodiment of the device according to the invention, in the transfer section, the path of movement of the clamp mouths is convex and corresponding to the active run of the vacuum belt conveyor concave. By this embodiment, the centrifugal forces can be utilized, which press the free end region of the products in contact with the active run of the vacuum belt conveyor.
Befindet sich bei einer derartigen Ausführungsform im Transferabschnitt die Bewegungsbahn der Klammermäuler bezüglich des Förderorgans, an welchem die Klammern über Tragorgane befestigt sind, in radialer Richtung aussen, wird der Abstand zwischen den freien Endkanten der aufeinander folgenden Produkte gegenüber dem Trägerabstand und somit dem Abstand, welchen diese Endkanten in einem geradlinigen Verlauf des Klammertransporteurs einnehmen, zusätzlich vergrössert.If, in such an embodiment, in the transfer section the movement path of the clamp mouths with respect to the conveyor element, to which the clamps are fastened via support members, is in the radial direction, the distance between the free end edges of the successive products will be greater than the carrier spacing and thus the distance which these end edges occupy in a rectilinear course of the staple transporter, additionally enlarged.
In bevorzugter Weise ist das aktive Trum im Transferabschnitt in geradlinige Segmente unterteilt, welche in Förderrichtung aufeinander folgen und somit Sehnen des Bogens bildend, einen konkaven Verlauf des aktiven Trums im Transferabschnitt ermöglichen. Diese Ausführungsform bietet die Möglichkeit, zwischen aufeinander folgenden Segmenten das Lochband bezüglich dem Bogen in radialer Richtung gegen aussen zu halten.Preferably, the active strand in the transfer section is subdivided into rectilinear segments which follow one another in the conveying direction and thus form chords of the sheet, allowing a concave course of the active strand in the transfer section. This embodiment offers the possibility to hold the perforated belt with respect to the arc in the radial direction to the outside between successive segments.
Mindestens einigen der Segmente ist eine mit einer Unterdruckquelle verbundene Unterdruckwanne zugeordnet, über welche hinweg das aktive Trum verläuft. Mindestens die im Saugabschnitt des Vakuumbandförderers befindlichen Segmente sind in dieser Art ausgebildet. In bevorzugter Weise sind alle, eventuell ausser in Förderrichtung gesehen das erste oder das letzte Segment, derart ausgeführt.At least some of the segments are associated with a negative pressure well connected to a vacuum source over which the active run passes. At least the segments located in the suction section of the vacuum belt conveyor are formed in this manner. Preferably, all, possibly except in the conveying direction, the first or the last segment, executed in such a way.
In bevorzugter Weise ist das Lochband zwischen jeweils aufeinander folgenden Segmenten Q-förmig um Umlenkwalzen geführt. Dies erlaubt einen reibungsarmen Betrieb.Preferably, the perforated belt between each successive segments Q-shaped guided around guide rollers. This allows a low-friction operation.
Überdies ist das Lochband, in bevorzugter Weise, im Bereich der Unterdruckwannen mittels Stützwalzen gegen das Hineinbewegen in die Unterdruckwannen gestützt.Moreover, the perforated belt, in a preferred manner, is supported in the area of the vacuum troughs by means of support rollers against moving into the vacuum troughs.
In einer weiteren bevorzugten Ausführungsform der erfindungsgemässen Vorrichtung weist der Vakuumbandförderer neben dem Lochband mindestens ein, in bevorzugter Weise auf beiden Seiten je ein, mit derselben Schnelligkeit angetriebenes weiteres Lochband auf. Die Segmente des weiteren Lochbandes beziehungsweise der weiteren Lochbänder sind in bevorzugter Weise gegenüber den Segmenten des Lochbandes, in Förderrichtung, versetzt angeordnet, sodass der Bereich zwischen aufeinander folgenden Segmenten des Lochbandes durch ein Segment des weiteren Lochbandes beziehungsweise der weiteren Lochbänder überbrückt ist. Dadurch ist ein ununterbrochenes Halten der Endbereiche der Produkte trotz Segmentierung des aktiven Trums sichergestellt.In a further preferred embodiment of the device according to the invention, the vacuum belt conveyor has, in addition to the perforated belt, at least one further perforated belt driven at the same speed, preferably on both sides. The Segments of the further perforated belt or of the further perforated belts are preferably offset relative to the segments of the perforated belt in the conveying direction, so that the area between successive segments of the perforated belt is bridged by a segment of the further perforated belt or the further perforated belts. This ensures uninterrupted holding of the end regions of the products despite segmentation of the active strand.
Im Transferabschnitt kann die Bewegungsbahn der Klammermäuler konkav und der aktive Trum des Vakuumbandförderers entsprechend konvex geformt sein. Es ist auch ein geradliniger Verlauf des aktiven Trums denkbar. Bei diesen Ausführungsformen ist eine Segmentierung des Vakuumbandförderers nicht notwendig.In the transfer section, the trajectory of the Klammermäuler concave and the active run of the vacuum belt conveyor may be correspondingly convex. It is also a straight-line course of the active strand conceivable. In these embodiments, segmentation of the vacuum belt conveyor is not necessary.
Es sei erwähnt, dass der Abstand zwischen der Bewegungsbahn der Klammermäuler und dem aktiven Trum des Vakuumbandförderers dazu führt, dass kein Klemmspalt für die Produkte gebildet ist. Der Transferabschnitt ist somit klemmspaltlos. Der Abstand ist grösser als die Dicke der Produkte und, falls sich diese überlappen, grösser als die Gesamtdicke der sich überlappenden Produkte.It should be noted that the distance between the path of movement of the clamp mouths and the active run of the vacuum belt conveyor results in that no nip for the products is formed. The transfer section is thus without a gap. The distance is greater than the thickness of the products and, if overlapped, greater than the total thickness of the overlapping products.
Beim erfindungsgemässen Verfahren wird ein flexibles, flächiges Produkt mittels eines Klammertransporteurs in einen Transferabschnitt transportiert. Dazu wird das Produkt an einem Haltebereich des Produkts im Klammermaul von hintereinander angeordneten Klammern festgehalten. Die hintereinander angeordneten Klammern werden in einer Förderrichtung F umlaufend angetrieben. Das in den Transferabschnitt transportierte Produkt wird in diesem Abschnitt in einem Endbereich, der von seinem Haltebereich abgewandt ist, von einem in Förderrichtung F angetriebenen aktiven Trum eines Lochbands eines Vakuumbandföderers festgesaugt. Nachdem das Produkt in seinem Endbereich am aktiven Trum des Vakuumbandförderers festgesaugt wurde, öffnen sich die Klammern des Klammertansporteurs und das Produkt wird mittels des Vakuumbandförderers weitertransportiert. Dabei verläuft das aktive Trum mit Abstand A zur Bewegungsbahn der Klammermäuler. Die Bewegungsbahn der Klammermäuler weist einen bogenförmigen Verlauf auf. Das Lochband wird mit einer Bandschnelligkeit angetrieben, die grösser ist als die Schnelligkeit, mit welcher die Klammermäuler angetrieben werden.In the method according to the invention, a flexible, flat product is transported by means of a staple transporter into a transfer section. For this purpose, the product is held on a holding region of the product in the clamp mouth of staples arranged one behind the other. The brackets arranged one behind the other are driven in rotation in a conveying direction F. The product transported in the transfer section is in this section in an end area that is separated from its holding area turned away, sucked by a driven in the conveying direction F active strand of a perforated belt of a vacuum belt conveyor. After the product has been firmly sucked in its end region on the active run of the vacuum belt conveyor, the clamps of the clamp conveyor open and the product is transported by means of the vacuum belt conveyor. The active strand runs at a distance A to the trajectory of the Klammermäuler. The trajectory of the Klammermäuler has a curved course. The perforated belt is driven with a tape speed that is greater than the speed with which the Klammermäuler be driven.
In einer bevorzugten Ausführungsform des Verfahrens verläuft im Transferabschnitt das aktive Trum zur Bewegungsbahn der Klammermäuler gleichsinnig und wenigstens annähernd bogenförmig.In a preferred embodiment of the method, the active strand runs in the transfer section in the same direction and at least approximately arcuately to the movement path of the clamp mouths.
In einer weiteren bevorzugten Ausführungsform verläuft die Bewegungsbahn der Klammermäuler im Transferabschnitt kreisbogenförmig.In a further preferred embodiment, the trajectory of the Klammermäuler in the transfer section extends in a circular arc.
In einer weiteren bevorzugten Ausführungsform des Verfahrens verläuft die Bewegungsbahn der Klammermäuler konvex und das aktive Trum des Vakuumbandförderers verläuft konkav.In a further preferred embodiment of the method, the movement path of the clamp mouths is convex and the active run of the vacuum belt conveyor runs concavely.
Die Erfindung wird anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen rein schematisch:
- Fig. 1
- in perspektivischer schräger Draufsicht einen Teil einer erfindungsgemässen Vorrichtung mit einem Druckereiprodukte zu einem Transferabschnitt transportierenden Klammertransporteur und einem Wegförderer, welcher im Transferabschnitt als Vakuumbandförderer ausgebildet ist, um die heran transportierten Druckereiprodukte zu übernehmen und wegzufördern;
- Fig. 2
- in gleicher Darstellung wie
Fig. 1 den dort gezeigte Bereich der Vorrichtung ohne Druckereiprodukte; - Fig. 3
- in perspektivischer Darstellung von schräg oben die Rückseite des in den
Fig. 1 und2 gezeigten Bereichs der Vorrichtung; - Fig. 4
- in gleicher perspektivischer Darstellung wie
Fig. 1 und2 drei nebeneinander angeordnete Lochbänder des Vakuumbandförderers mit entsprechenden Unterdruckwannen; - Fig. 5
- in perspektivischer Darstellung das mittlere Lochband des Vakuumbandförderers mit zugeordneten Unterdruckwannen;
- Fig. 6
- in Ansicht das mittlere Lochband mit den zugeordneten Unterduckwannen;
- Fig. 7
- in Draufsicht eines der äusseren Lochbänder des Vakuumbandförderers mit zugeordneten Unterdruckwannen;
- Fig. 8
- in einem Schnitt entlang der Linie VIII - VIII der
Fig. 7 das dort gezeigte Lochband mit den entsprechenden Unterdruckwannen; - Fig. 9
- in perspektivischer Darstellung das Lochband mit den zugeordneten Unterdruckwannen gemäss den
Fig. 7 und 8 ; - Fig. 10a
- in stark vereinfachter Weise ein erstes Beispiel eines Bahnverlaufs der Klammermäuler des Klammertransporteurs und des Wegförderers;
- Fig. 10b
- die Schnelligkeit |w| des Lochbands und die Schnelligkeit |v| der Klammermäuler in Abhängigkeit des Ortes;
- Fig. 11a
- in stark vereinfachter Weise ein zweites Beispiel eines Bahnverlaufs der Klammermäuler des Klammertransporteurs und Wegförderers;
- Fig. 11b
- wiederum die Schnelligkeit |w| des Lochbands und die Schnelligkeit |v| der Klammermäuler in Abhängigkeit des Ortes; und
- Fig. 12
- die Winkelgeschwindigkeit und die Geschwindigkeiten v und w beziehungsweise die Schnelligkeiten |v| und |w| an einem Punkt des jeweiligen Bahnverlaufs.
- Fig. 1
- in perspective oblique top view of a part of an inventive device with a printed products to a transfer section transporting Staple transporter and a removal conveyor, which is designed in the transfer section as a vacuum belt conveyor to take over the conveyed printed products and convey away;
- Fig. 2
- in the same representation as
Fig. 1 the area of the device shown there without printed products; - Fig. 3
- in perspective from obliquely above the back of the in the
Fig. 1 and2 shown area of the device; - Fig. 4
- in the same perspective view as
Fig. 1 and2 three juxtaposed perforated belts of the vacuum belt conveyor with corresponding vacuum tanks; - Fig. 5
- in perspective view the middle perforated belt of the vacuum belt conveyor with associated vacuum tanks;
- Fig. 6
- in view, the middle perforated belt with the associated Unterduckwannen;
- Fig. 7
- in plan view of the outer punch bands of the vacuum belt conveyor with associated vacuum tanks;
- Fig. 8
- in a section along the line VIII - VIII of
Fig. 7 the perforated belt shown there with the corresponding vacuum tanks; - Fig. 9
- in a perspective view of the perforated belt with the associated vacuum tanks according to the
FIGS. 7 and 8 ; - Fig. 10a
- in a highly simplified manner, a first example of a trajectory of the Klammermäuler the staple transporter and the Wegförderers;
- Fig. 10b
- the speed | w | of the perforated tape and the speed | v | the Klammermäuler depending on the place;
- Fig. 11a
- in a highly simplified manner, a second example of a trajectory of the Klammermäuler the Klammertransporteurs and Wegförderers;
- Fig. 11b
- again the speed | w | of the perforated tape and the speed | v | the Klammermäuler depending on the place; and
- Fig. 12
- the angular velocity and the velocities v and w or the velocities | v | and | w | at one point of the respective trajectory.
Dem Klammertransporteur 12 ist ein als Bandförderer ausgebildeter Wegförderer 24 nachgeschaltet, welcher im Transferabschnitt 22 als Vakuumbandförderer 26 ausgebildet ist. Der im Transferabschnitt 22 unterhalb des Klammertransporteurs 12 angeordnete Vakuumbandförderer 26 ist dazu bestimmt, im Transferabschnitt 22 mit seinem in Förderrichtung F angetriebenen aktiven Trum 28 des Lochbandes 30 die vom Klammertransporteur 12 gehaltenen Produkte 10 in ihrem der Haltekante 20 abgewandten Endbereich 32 festzusaugen und nach darauffolgender Freigabe durch die Klammern 14 weiter zu transportieren. Die Freigabe erfolgt beim stromabwärts liegenden Ende 34 des Transferabschnitts 22 und der Vakuumbandförderer 26 fördert die übernommenen Produkte 10 zu einem ihm in Förderrichtung F nachgeschalteten, mit parallelen Förderbändchen versehener Bandförderer 36 des Wegförderers 24.The
Die Bewegungsbahn 38 der Klammermäuler 16 hat im Transferabschnitt 22 einen bogenförmigen Verlauf, im in der Zeichnung dargestellten Ausführungsbeispiel einen bezüglich des in sich geschlossenen Klammertransporteurs einen konvexen, kreisbogenförmigen Verlauf. Der Vakuumbandförderer 26 ist bezüglich des Bogens des Klammertransporteurs radial aussen angeordnet, derart, dass das aktive Trum 28 im Transferabschnitt 22 einen mindestens annähernd konstanten Abstand A zur Bewegungsbahn 38 aufweist.The
Jede Klammer 14 weist zwei zusammen wirkende, das Klammermaul 16 bildende Klemmzungen 40 auf, wobei die eine der Klemmzungen 40, im vorliegenden Fall die in Förderrichtung F gesehen vorlaufende, die Schwenklage der Klammer 14 und somit des Klammermauls 16 bestimmt und die andere, nachlaufende Klemmzunge 40 relativ zur vorlaufenden Klemmzunge. 40 zum Öffnen und Schliessen des Klammermauls 16 verschwenkt wird.Each
Die Bewegungsbahn 38 ist durch die Bewegung des freien Endes der die Lage der Klammern 14 definierenden Klemmzunge 40, im gezeigten Ausführungsbeispiel der vorlaufenden Klemmzunge 40, gegeben.The
An dieser Stelle sei bemerkt, dass der Abstand A zwischen der Bewegungsbahn 38 und dem Vakuumbandförderer 26 grösser ist als die Dicke der zu fördernden Produkte 10, und wenn diese sich, wie im gezeigten Ausführungsbeispiel, überlappen, grösser als die Gesamtdicke der Produkte 10 im Überlappungsbereich. Die Produkte 10 sind somit im Transferabschnitt 22 nicht in einem Klemmspalt gehalten.At this point it should be noted that the distance A between the
Als Klammern 14 eignen sich insbesondere Ausführungsformen, wie sie beispielsweise aus den Druckschriften
Die eine der Klemmzungen 40, im vorliegenden Fall die in Förderrichtung F vorlaufende, ist mit einer Positionierfolgerolle 46 fest verbunden, welche in einer Positionierkulisse 48, zur Steuerung der Drehlage der Klammer 14 und somit des Klammermauls 16, geführt ist.One of the clamping
Die andere der Klemmzungen 40, im gezeigten Ausführungsbeispiel die in Förderrichtung F nachlaufende, ist über eine Feder mit einem Schliesshebel 50 verbunden, welcher einerseits eine frei drehbar gelagerte Folgerolle 52 trägt und andererseits dazu bestimmt ist, mit dem Verriegelungshebel 44 zusammenzuwirken; siehe
Zum Schliessen der Klammer 14, beziehungsweise des Klammermauls 16, wird die Folgerolle 52 mittels einer nicht gezeigten Schliesskulisse derart bewegt, dass die mit dem Schliesshebel 50 über die Feder verbundene Klemmzunge 40 gegen die andere, über die Positionierfolgerolle 46 und die Positionierkulisse 48 in ihrer Lage gehaltene Klemmzunge 40 verschwenkt wird und zwar solange, bis in Folge des Anliegens der Klemmzungen 40 aneinander, beziehungsweise einen dazwischen angeordneten Produkt 10, zur Erzeugung der Klemmkraft die Feder gespannt und der Schliesshebel 50 mit dem Verriegelungshebel. 44 verriegelt ist. Zum Öffnen der Klammer 14, beim Ende 34 des Transferabschnitts 22, wird der Verriegelungshebel 44 mittels eines Öffnungsapparats 54 derart verschwenkt, dass er den Schliesshebel 50 freigibt und sich die damit verbundene Klemmzunge 40 in die Öffnungsstellung bewegen kann. Der Aufbau und die Funktionsweise derartiger Klammern 14 ist in den weiter oben genannten Druckschriften ausführlich erläutert und die diesbezügliche Offenbarung sei hiermit in die vorliegende Beschreibung integriert.To close the
Der Vollständigkeit halber sei erwähnt, dass der Öffnungsapparat 5.4 derart angeordnet ist, dass er die jeweils an ihm vorbei bewegte Klammer 14 öffnet, wenn die die Bewegungsbahn 38 bestimmende Klemmzunge 40 sich beim stromabwärts liegenden Ende 34 des Transferabschnitts 22 befindet.For completeness, it should be mentioned that the opening apparatus 5.4 is arranged such that it Clamp 14, which moves past it in each case, opens when the clamping
Jede der Klammern 14 ist in bekannter Art und Weise an einem auslegerartigen Tragorgan 56 befestigt. Die Tragorgane 56 ihrerseits sind mit einem vorbestimmten Trägerabstand an einem in sich geschlossenen Förderorgan 58 befestigt, welches in bevorzugter Weise durch eine auf Zug und Druck belastbare Gliederkette gebildet ist. Das Förderorgan 58 ist in einem Führungskanal 60 mit einem C-förmigen Querschnitt geführt, wobei die Tragorgane 56 den Spalt 62 des Führungskanals 60 durchgreifen, sodass die Klammern 40 sich ausserhalb des Führungskanals 60 befinden; im gezeigten Ausführungsbeispiel bezüglich des bogenförmigen Verlaufs radial ausserhalb des Führungskanals 60.Each of the
Der im gezeigten Bereich der erfindungsgemässen Vorrichtung in einer Vertikalebene verlaufende Führungskanal 60 verläuft, in Förderrichtung F gesehen, in vertikaler Richtung gegen unten, dann in einem 90° Kreisbogenabschnitt 61 durch den Transferabschnitt 22 hindurch, wobei am Ende 34 des Transferabschnitts 22 ein kurzer geradliniger Abschnitt 64 anschliesst. Dieser führt das Förderorgan 58 tangential an ein horizontal achsig gelagertes, kontinuierlich angetriebenes Umlenk- und Antriebsrad 66 heran. In vertikaler Richtung gegen oben folgt dem Umlenk- und Antriebsrad 66 wiederum ein geradliniger Abschnitt 68 des Führungskanals 60. Das in Drehrichtung D angetriebene Umlenk- und Antriebsrad 66 treibt das Förderorgan 58 und somit die Klammern in Förderrichtung F umlaufend an.The
Die Klammern 14 sind mittels der Positionierkulisse 48 in ihrer Schwenklage derart ausgerichtet, dass beim Erreichen des Transferabschnitts 22 und bis zu dessen Ende 34, die Klammermäuler 16, bezüglich der Förderrichtung F, schräg nach hinten gerichtet sind. Dadurch sind die Haltekanten 20 der Produkte 10 bezüglich der ihnen gegenüber liegenden Endkanten 32' vorlaufend und befinden sich im Transferabschnitt 22 die Haltekanten 20, in radialer Richtung gesehen, weiter innen als die Endkanten 32' und der an diese anschliessende.Endbereich 32.The
Im gezeigten Ausführungsbeispiel wird im Transferabschnitt 22, bezüglich der Förderrichtung F, die Schwenklage der Klammern 14 beibehalten, sodass die Bewegungsbahn 38 mit konstantem Abstand zum Führungskanal 60 verläuft und somit im Transferabschnitt 22. einen kreisbogenförmigen Verlauf aufweist.In the embodiment shown, the pivotal position of the
Es sei erwähnt, dass dem Klammertransporteur 12 Führungsstäbe 70 zugeordnet sind, welche in einem festen Abstand zum Führungskanal 60 und zur Bewegungsbahn 38, in Förderrichtung F gesehen, bis zum Vakuumbandförderer 26 hin verlaufen. Die von den Klammer 40 gehaltenen Produkte 10 gleiten mit ihrem Endbereich 32 entlang dieser Führungsstäbe 70, welche gewährleisten, dass die Produkte 10 ihre schräg nach hinten verlaufende, gegebenenfalls gebogene Lage, wie sie in der
Der Vakuumbandförderer 26 ist in vertikaler Richtung verstellbar ausgeführt, um den Abstand A zwischen der Bewegungsbahn 38 und dem aktiven Trum 28, in Abhängigkeit von der Dicke der zu verarbeitenden Produkte 10, einstellen zu können.The
Der Vakuumbandförderer 26 weist mindestens ein in sich geschlossenes Lochband 30 auf, welches derart angetrieben ist, dass das aktive Trum 28 sich in Förderrichtung F mit einer Umlaufgeschwindigkeit und somit Bandschnelligkeit |w| bewegt, welche grösser ist als die Schnelligkeit |v| der Klammermäuler 14. Bevorzugt ist für die Klammermäuler 14 und das aktive Trum 28, im Transferabschnitt 22, die Winkelgeschwindigkeit ω wenigstens annähernd gleich.The
Ist ein einziges Lochband 30 vorgesehen, ist dieses in bevorzugter Weise symmetrisch zur Ebene angeordnet, in welcher die Bewegungsbahn 38 verläuft. Sind zwei Lochbänder 30 vorgesehen, befindet sich, in bevorzugter Weise, bezüglich dieser Ebene auf jeder Seite eines der Lochbänder 30. In besonders bevorzugter Weise ist der Vakuumbandförderer 26 wie in den
Das aktive Trum (28) des mittig angeordneten Lochbandes 30, ist durch vier, in Förderrichtung F, aufeinander folgende geradlinige, wenigstens annähernd gleich lange Segmente 72 gebildet, welche in Winkeln zueinander angeordnet sind und, Sehnen bildend, den konkaven Bogen nachbilden. in Förderrichtung F gesehen ist dem zweiten, dritten und vierten Segment 72 je eine Unterdruckwanne 74 zugeordnet, wie dies weiter unten näher beschrieben ist. Das erste Segment 72 dient somit ausschliesslich der Führung der Endbereiche 32 der Produkte 10 während die zweiten, dritten und vierten Segmente 72 einen Saugabschnitt 76 des aktiven Trums 28 des Lochbandes 30 bilden.The active run (28) of the centrally arranged
Das aktive Trum 28 erstreckt sich im gezeigten Ausführungsbeispiel über einen Winkel von ca. 40°.The
Die beiden seitlich des Lochbandes 30 angeordneten weiteren Lochbänder 30' bilden im Bereich des aktiven Trums 28, in ähnlicher Art und Weise wie das Lochband 30, geradlinige Segmente 72', welche in Förderrichtung F aufeinander folgen und in Winkeln zueinander angeordnet sind, um ebenfalls, Sehnen des Bogens bildend, den konkaven Verlauf nachzubilden. Die in Förderrichtung F gesehen ersten und letzten Segmenten 72' sind etwa halb so lange ausgebildet, wie die betreffenden Segmente 72 des Lochbandes 30, während die zwischen diesen Segmenten 72' weiteren drei angeordneten Segmente etwa dieselbe Länge aufweisen wie die Segmente 72 des Lochbandes 30.The two further perforated belts 30 'arranged laterally of the
Die Segmente 72' der weiteren, ebenfalls in sich geschlossenen Lochbänder 30' überbrücken somit die kurzen Lücken zwischen den Segmenten 72 des Lochbandes 30 und entsprechend überbrücken die Segmente 72 die kurzen Lücken zwischen den aufeinander folgenden Segmenten 72' der weiteren Lochbänder 30'.The
Wie dies weiter unten noch beschrieben ist, ist jeweils den mittleren drei Segmenten 72' der weiteren Lochbänder 30 je eine Unterdruckwanne 74' zugeordnet. Der Saugabschnitt 76' des aktiven Trums 28 der weiteren Lochbänder 30' liegt somit. im Bereich der mittleren drei Segmente während das, in Förderrichtung F gesehen, jeweils erstes Segment 72' und letzte Segment 72' der Führung der Endbereiche 32 der Produkte 10 dient.As will be described below, each of the middle three
Der Saugabschnitt 76' ' des Vakuumbandförderers 26 - siehe auch
Dem Vakuumbandförderer 26 folgt, in Förderrichtung F, unmittelbar der Bandförderer 36, welcher in gezeigten Ausführungsbeispiel, vier neben einander angeordnete und mit gleicher Geschwindigkeit wie die Lochbänder 30, 30' angetriebene Förderbändchen 78 aufweist.The
In der
Das endlose Lochband 30 - siehe auch
Sowohl das Lochband 30 als auch die weiteren Lochbänder 30' sind am stromaufwärts liegenden Ende um gleichachsig frei drehbar gelagerte Umlenkwalzen 82 und am stromabwärts liegenden Ende um ebenfalls gleichachsig gelagerte, jedoch miteinander und mit einem Antriebsmotor M - siehe
Das Rücktrum 88 jedes Lochbandes 30, 30' ist benachbart zur betreffenden Antriebswalze 80 und benachbart zur zugeordneten Umlenkwalze 82 S-förmig um ein Walzenpaar 90 geführt, um einerseits den Umschlingungswinkel um die Antriebswalze 80 beziehungsweise Umlenkwalze 82 zu vergrössern und andererseits den Abstand des Rücktrums 88 zum aktiven Trum 28 zu vergrössern und Platz für die dazwischen angeordneten Unterdruckwannen 74, 74' zu schaffen. Etwa mittig zwischen diesen Walzenpaaren 90 sind das Lochband 30 und die weiteren Lochbänder 30' um je eine Spannwalze 92 geführt, um die Lochbänder 30, 30' gespannt zu halten. Zwischen dem Maschinengestell und den Spannwalzen 92 wirkt je eine Zugfeder 94, siehe
Die Unterdruckwannen 74, 74' sind über eine Verrohrung 96 mit einer nicht gezeigten, allgemein bekannten Unterdruckwelle verbunden. Auf der dem aktiven Trum 28 zugewandten Seite sind die Unterdruckwannen 74, 74' offen und über diese Öffnung hinweg verläuft das Lochband 30 beziehungsweise das betreffende weitere Lochband 30'. Die jeweils sich im Bereich dieser Öffnungen befindenden Sauglöcher 84 sind mit der Unterdruckquelle verbunden.The
Die Unterdruckwannen 74, 74' weisen je einen, die Öffnung umrandenden und in radialer Richtung gegen aussen vorstehenden, flächigen Flansch 98 auf, welcher einerseits das aktive Trum 28 stützen und andererseits das Einsaugen von Falschluft in die Unterdruckwannen 74, 74' verhindern. Der Vollständigkeit halber sei erwähnt, dass die Breite der Öffnungen der Unterdruckwannen 74, 74' geringer ist als die Breite des zugeordneten Lochbandes 30, beziehungsweise weiteren Lochbandes 30'.The
Im gezeigten Ausführungsbeispiel ist die Breite der weiteren Lochbänder 30' grösser als die Breite des Lochbandes 30. In bevorzugter Weise sind die den weiteren Lochbändern 30' zugeordneten Unterdruckwanne 74' mit frei drehbar gelagerten Stützwalzen 100 versehen, um ein Hineinsaugen der betreffenden Bereiche der weiteren Lochbänder 30' in die Unterdruckwannen 74' hinein zu verhindern. Wie dies insbesondere der
Der Radius, mit welchem der Führungskanal 60 im Transferabschnitt 22 gebogen ist, kann beispielsweise etwa 500 mm betragen. Das Umlenk- und Antriebsrad 66 kann einen Radius von beispielsweise 250 mm aufweisen. Am Förderorgan 58 sind die Tragorgane 56, beispielsweise mit einem Mittenabstand von 100 mm angeordnet. Weiter können die Klammern 24 in ihrer Schwenklage derart gesteuert sein, dass die Bewegungsbahn 38 im Transferabschnitt 22 einen Radius von etwa 600 mm aufweist. Beträgt der Abstand zwischen der Bewegungsbahn 38 der Klammermäuler 16 und dem aktiven Trum 28 des Vakuumbandförderers 26 dabei einen Abstand A von etwa 75 mm, werden die Produkte 10 mit einem Abstand zwischen den Endkanten 32' aufeinander folgender Produkte 10 von 135 mm vom Klammertransporteur 12 übernommen und in Wegförderrichtung W weggefördert. In den geradlinigen Abschnitten der Bewegungsbahn 38 betrug dieser Abstand 100 mm.The radius at which the
Wird bei den oben angegebenen Abmessungen das Förderorgan 58 mit einer Umlaufgeschwindigkeit von beispielsweise 1000 mm/s angetrieben, bewegen sich die Klammermäuler 16 mit einer Schnelligkeit |v| von 1200 mm/s und das aktive Trum 28 mit einer Schnelligkeit |w| (und Umlaufgeschwindigkeit) von 1350 mm/s.If, with the dimensions given above, the conveying
Die Bewegungsbahn 38 verläuft im Transferabschnitt 22 in bevorzugter Weise kreisbogenförmig, wobei der Radius des Kreisbogens für die Verarbeitung von Druckereiprodukten in bevorzugter Weise kleiner als ein Meter gewählt wird. Die Länge des Transferabschnitts 22 beträgt beispielsweise zwischen 300 mm und einem Meter, in bevorzugter Weise etwa 500 mm.The
In
In
Die Funktionsweise der in den Figuren gezeigten Ausführungsform der erfindungsgemässen Vorrichtung ist wie folgt. Die Klammern 14 sind in Förderrichtung F umlaufend kontinuierlich angetrieben. Die Klammern 14 werden in einer nicht gezeigten Bestückungsstation mit je einem Produkt 10 bestückt, wobei die Klammern 14 mit ihrem Klammermaul 16 jeweils das Produkt 10 in dessen an die Haltekante 20 angrenzenden Haltebereich 18 erfassen und festhalten. Die Klammern 14 werden mit einer Schwenklage dem Transferabschnitt 22 zugeführt, derart, dass die der Haltekante 20 gegenüber liegende freie Endkante 32' und somit der daran anschliessende Endbereich 32 bezüglich der Haltekante 20, in Förderrichtung F gesehen, nachlaufend ist. In Richtung auf den Transferabschnitt 22 zu, gleiten die Produkte 10 mit ihrem Endbereich 32 entlang der Führungsstäben 70 und kommen dann, unterstützt durch die Fliehkräfte und in Folge des konvexen Verlaufs der Bewegungsbahn 38 der Klammermäuler 16, am bezüglich dieser radial aussen liegenden aktiven Trum 28 des Vakuumbandförderers 26 mit ihrem Endbereich 32 zur Anlage.The mode of operation of the embodiment of the device according to the invention shown in the figures is as follows. The
Im Bereich der ersten Segmente 72, 72' des Vakuumbandförderers 26 werden die Endbereiche 32 der Produkte 10 grossflächig abgestützt, wodurch diese sich beruhigen. Im anschliessenden Saugabschnitt 76" werden die Endbereiche 32 am Lochband 30 und weiteren Lochband 30' festgesaugt und dadurch festgehalten. Am Ende 34 des Transferabschnitts 22 werden die dort vorbei laufenden Klammern 14 jeweils geöffnet, wodurch die betreffenden Produkte 10 frei gegeben werden. Da sie zu diesem Zeitpunkt vom Vakuumbandförderer 26 gehalten sind, können sie ihre Lage zum Lochband 30, 30' und relativ zueinander nicht verändern. Die Produkte 10 sind stabil gehalten, wenn deren Haltebereich 18 frei gegeben wird. Trotz Fahrtwind erfolgt eine stabile Ablage der Produkte 10 auf den Vakuumbandförderer 26 mit einem definierten geänderten Abstand zwischen den Haltekanten 20 aufeinander folgenden Produkte 10. Die stabilisierten Produkte 10 werden beim stromabwärts liegenden Ende des Saugabschnitts 76 vom Vakuumbandförderer 26 frei gegeben und mittels des nachgeschalteten Bändchenförderers 36 in einer geordneten Formation weg transportiert.In the region of the
Die Länge des Transferabschnitts 22 ist grösser als die in Förderrichtung F gemessene Ausdehnung der grössten zu transportierenden Produkte 10. Die Breite des saugaktiven Bereichs des Vakuumbandförderers 26, gemessen rechtwinklig zur Förderrichtung F, wird kleiner gewählt als die Breite der diesbezüglich kleinsten zu transportierenden Produkte 10.The length of the
Claims (16)
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CH00716/10A CH703119A1 (en) | 2010-05-10 | 2010-05-10 | Apparatus and method for transporting flexible, sheet-like products. |
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EP2386512A1 true EP2386512A1 (en) | 2011-11-16 |
EP2386512B1 EP2386512B1 (en) | 2013-01-16 |
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EP11003588A Not-in-force EP2386512B1 (en) | 2010-05-10 | 2011-05-03 | Apparatus and process for conveying flexible flat products |
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US (1) | US8550460B2 (en) |
EP (1) | EP2386512B1 (en) |
AU (1) | AU2011202107B2 (en) |
BR (1) | BRPI1102411A2 (en) |
CA (1) | CA2739009C (en) |
CH (1) | CH703119A1 (en) |
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- 2011-05-03 US US13/099,982 patent/US8550460B2/en not_active Expired - Fee Related
- 2011-05-03 CA CA2739009A patent/CA2739009C/en not_active Expired - Fee Related
- 2011-05-03 EP EP11003588A patent/EP2386512B1/en not_active Not-in-force
- 2011-05-03 BR BRPI1102411-9A patent/BRPI1102411A2/en not_active IP Right Cessation
- 2011-05-06 AU AU2011202107A patent/AU2011202107B2/en not_active Ceased
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105291119A (en) * | 2014-06-05 | 2016-02-03 | J.施迈茨有限公司 | Method for handling flexible mat-like workpieces |
US9925670B2 (en) | 2014-06-05 | 2018-03-27 | J. Schmalz Gmbh | Method for handling flexible mat-like workpieces |
CN105291119B (en) * | 2014-06-05 | 2019-07-26 | J.施迈茨有限公司 | Method for manipulating flexible cushion workpiece |
WO2015189277A1 (en) * | 2014-06-11 | 2015-12-17 | Tetra Laval Holdings & Finance S.A. | Transfer arrangement |
US9994401B2 (en) | 2014-06-11 | 2018-06-12 | Tetra Laval Holdings & Finance S.A. | Transfer arrangement |
US9440466B2 (en) | 2014-11-13 | 2016-09-13 | Océ-Technologies B.V. | Transport mechanism and method for transporting a print medium in a printing system |
US9616689B2 (en) | 2014-11-13 | 2017-04-11 | Océ-Technologies B.V. | Transport mechanism and method for transporting a print medium in a printing system |
EP3031759A1 (en) | 2014-12-08 | 2016-06-15 | Ferag AG | Device and method for transporting flexible flat objects |
US10040655B2 (en) | 2014-12-08 | 2018-08-07 | Ferag Ag | Device and method for conveying flat objects |
Also Published As
Publication number | Publication date |
---|---|
CA2739009A1 (en) | 2011-11-10 |
US20110272249A1 (en) | 2011-11-10 |
CH703119A1 (en) | 2011-11-15 |
AU2011202107B2 (en) | 2015-12-24 |
EP2386512B1 (en) | 2013-01-16 |
CA2739009C (en) | 2015-07-14 |
US8550460B2 (en) | 2013-10-08 |
AU2011202107A1 (en) | 2011-11-24 |
BRPI1102411A2 (en) | 2013-11-26 |
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