EP0374917B1 - Conveyors for signatures - Google Patents

Conveyors for signatures Download PDF

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Publication number
EP0374917B1
EP0374917B1 EP89123657A EP89123657A EP0374917B1 EP 0374917 B1 EP0374917 B1 EP 0374917B1 EP 89123657 A EP89123657 A EP 89123657A EP 89123657 A EP89123657 A EP 89123657A EP 0374917 B1 EP0374917 B1 EP 0374917B1
Authority
EP
European Patent Office
Prior art keywords
signature
signatures
deformation
conveyor means
multiplicity
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.)
Expired - Lifetime
Application number
EP89123657A
Other languages
German (de)
French (fr)
Other versions
EP0374917A2 (en
EP0374917A3 (en
EP0374917B2 (en
Inventor
Roger Robert Belanger
Eugene John Bergeron
Roland Thomas Palmatier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0374917A2 publication Critical patent/EP0374917A2/en
Publication of EP0374917A3 publication Critical patent/EP0374917A3/en
Application granted granted Critical
Publication of EP0374917B1 publication Critical patent/EP0374917B1/en
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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
    • B65H29/70—Article bending or stiffening arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • 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
    • B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands 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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/38—Delivering or advancing articles from machines; Advancing articles to or into piles by movable piling or advancing arms, frames, plates, or like members with which the articles are maintained in face contact
    • B65H29/40—Members rotated about an axis perpendicular to direction of article movement, e.g. star-wheels formed by S-shaped members
    • 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
    • B65H2404/261—Arrangement of belts, or belt(s) / roller(s) facing each other for forming a transport nip

Definitions

  • the invention relates to a device for transporting signatures, in which signatures (or sheets) are successively transferred from one conveyor belt to another.
  • a signature transport device known from EP 0 205 116 A2 has a belt (or belt) transport which conveys signatures one after the other to a delivery station. At the delivery station, the signatures are transferred into pockets of a paddle wheel. The paddle wheel then conveys the signatures onto a delivery belt or (belt) transport.
  • the present invention provides a new, improved signature transport device in which a first transport means includes a delivery station, at which the signatures are transferred to a second transport means.
  • a first transport means includes a delivery station, at which the signatures are transferred to a second transport means.
  • a deformation device at the delivery station of the first transport means, which forms successive deformations between the front and rear end parts of the signatures.
  • the signatures are deformed in an elastic manner by the deforming device, so that deformations occur temporarily, which disappear again after the signatures are removed from the Have moved the deforming device.
  • the deforming device is arranged at a distance from the second means of transport which is less than the distance between the front and rear end parts of a signature.
  • a deflection folder 10 (FIG. 1) comprises a signature-forming section 12 and a signature-transporting section 14.
  • the signature-forming device 16 in the signature-forming section 12 can be actuated to pre-fold and cut a sheet material web 18 running in the longitudinal direction.
  • the signature-forming device 16 has funnel rollers 22, which cooperate with a former 19 to form a longitudinal fold in the web 18 in a known manner. Press rolls 24 and 26 press on web 18 to further develop the longitudinal pre-fold in web 18.
  • the pre-folded web is transported by feed rollers 30 to the cutting cylinders 32 and 34. During each revolution of the cutting cylinders 32, 34, knives cut or separate the web in a direction perpendicular to the pre-fold to form signatures 40 (FIG. 4) in a known manner.
  • Each signature 40 has a closed or pre-folded edge part (42) (FIG. 4), which is located opposite an open-edged part 44.
  • the signature 40 has a leading end portion 46 and a rear end portion 48 as it moves out of the cutting cylinders 32 and 34. When the signature 40 leaves the cutting cylinders 32 and 34, the majority of their opposite outer side surfaces 52 and 54 are flat.
  • the signature transport device 14 includes two display sections, i.e., a left display section 58 and a right display section 60 (see Fig. 1).
  • the left delivery section 58 includes a first or belt conveyor 64 which accelerates the signatures received from the signature-forming apparatus 12 to separate their front and rear end parts.
  • Deflection rollers 68 and 70 direct every other signature onto the left delivery section 58 and a second transport device or a paddle wheel 74.
  • a first or belt conveyor 76 interacts with the belt conveyor 64 in order to successively accelerate the signatures 40 received by the cutting cylinders 32 and 34.
  • the deflecting rollers 68 and 70 enable the first or belt transport 76 to convey every second signature in the sequence to a second transport means or paddle wheel 78.
  • the deflection rollers 68 and 70 receive a steady stream of signatures from the cutting cylinder 32 and 34.
  • the signatures are accelerated by the interaction between the belt transports 64 and 76 to the signatures before they enter the nip between the deflection rollers 68 and 70 to split a little.
  • Deflection rollers 68 and 70 rotate in a timed relationship with cutting cylinders 32 and 34 and alternately direct the signatures to left and right delivery sections 58 and 60. Thus, if a signature is directed from deflection rolls 68 and 70 to left delivery section 58, then the next signature is directed to the right display section 60.
  • the deflection rollers 68 and 70 When the deflection rollers 68 and 70 are in the position as shown in FIG. 1, they are able to deflect a signature onto the left delivery section 58. If the deflection rollers 68 and 70 have been rotated by 180 degrees from the position shown in FIG. 1, then they are able to deflect a signature onto the right delivery section 60.
  • the manner in which the deflection rollers 68 and 70 cooperate to sequentially direct signatures onto the left and right delivery sections 58 and 60 is known and will not be described further here to avoid proliferation.
  • the first or belt transport 64 in the left delivery section 58 comprises a plurality of relatively narrow upper belts 82 which are spaced apart and which are in contact with the main part of a side surface (54) of a signature (40). Likewise, a plurality of spaced apart, relatively narrow lower bands 84 are in contact with the major portion of the opposite side surface (52) of a signature 40.
  • the signature 40 is held between the belts 82 and 84 and controlled by them and moved at a relatively high speed.
  • the second transport means 74 is a rotatable paddle wheel.
  • the paddle wheel 74 receives the Si gnatur 40 of the belt conveyor 64.
  • the belt conveyor 64 has a delivery station 88 (Fig. 2), where the signatures from the first or belt conveyor 64 are transferred to the second transport means or paddle wheel 74.
  • the belt conveyor 64 and / or the paddle wheel 74 can be replaced by other known types of transportation means.
  • the paddle wheel 74 has an all-round row of pockets 92 (FIG. 2), which extend radially outward from a hub 94.
  • the pockets 92 are formed by adjacent blades or wheel elements 96.
  • the wheel members 96 cooperate to form the outer end portions 100 of the pockets 92.
  • These open outer end portions 100 of the pockets 92 move in a circle as indicated by a dashed line 104 in FIG. 2.
  • the axis of rotation of the impeller 74 extends perpendicular to the longitudinal axes of the belts 82 and 84.
  • a signature 40 moves into the pocket, as shown schematically in FIG. 2.
  • the paddle wheel 74 has rotated approximately 180 degrees, the signature moves out of the pocket under the influence of gravity or a mechanical scraper arm onto a third or delivery belt conveyor 108 (FIG. 1).
  • the front end portion 46 of the signature pushes through the open outer end 100 of the pocket.
  • the belt conveyor 64 moves the signature 40 down into a pocket 92 at a speed greater than the speed at which the paddle wheel 74 removes the pocket from the delivery station 88 moved away.
  • the signature 40 While the bag is being rotated further and the signature 40 moves downward in the bag, its rear end part is released by the belt transport 64 at the delivery station 88. The signature 40 then falls freely down into the pocket 92 under the combined influence of its moment of motion and its gravity. During the free fall of the signature 40 into the pocket 92, the front end portion 46 of the signature touches a closed inner end portion or the bottom 112 of the pocket 92.
  • the paddle wheel 74 rotates it to a position opposite the delivery station 88.
  • the signature 40 then falls out of the pocket 92 onto the delivery belt conveyor 108 (Fig. 1), whereupon it is conveyed out of the folder 10.
  • the belt conveyor 76, the paddle wheel 78 and a delivery belt conveyor 116 in the right delivery section 60 act together in the same manner as described here above for the belt transport 64, the paddle wheel 74 and the delivery belt transport 108 of the left delivery section 58.
  • signatures 40 move sequentially from a delivery station 120 (FIG. 1) of the belt conveyor 76 into the pockets of a rotatable paddle wheel 78.
  • the signatures 40 are transferred from the paddle wheel 78 to the delivery belt conveyor 116.
  • two belt transports 64 and 76 with two paddle wheels 74 and 78.
  • a greater or lesser number of means of transportation could be used if desired.
  • Types of means of transport that differ from the means of transport shown could also be used, if desired.
  • the second transport 74 could have a linear array of pockets.
  • signature shaping apparatus 16 could be used if desired.
  • a deforming device 126 (FIGS. 1, 2 and 3) is located at the delivery station 88.
  • the deforming device 126 stiffens the signatures 40 by forming a deformation 132 (FIG. 4) in each signature.
  • Deformation 132 extends from front end portion 46 to rear end portion 48 of signature 40.
  • Deformation 132 stiffens signature 40 and causes it to remain closed and not sag as it moves from delivery station 88 to paddle wheel 74 (Fig . 1). Without deformation 132, the signature 40 tends to sag and / or open its front end portion 46 as it is moved from the delivery station 88 to the paddle wheel 74.
  • the exact speed at which a deformed signature 40 can be moved from the first transport means 64 to the second transport means 74 will vary due to many factors.
  • the speed at which the deformed signature moves between the transport means can fluctuate due to the different thickness and / or flexibility of the material of the signature.
  • the speed at which it can be moved between the means of transport can be significantly increased. Since many factors can affect the speed at which signatures 40 are fed from the tape conveyor 64 to the paddle wheel 74, it should be understood that the present invention is not limited to any particular signature supply speed.
  • the deformation 132 stiffens the signatures 40 so that they can be sequentially transferred from the belt conveyor 64 to the paddle wheel 74 at a relatively high speed, the signatures should have smooth side surface main parts 52 and 54 when they come out of the folder 10. That is, the deformation 132 temporarily and disappears after the signature 40 has moved into the impeller 74.
  • the signature 40 is elastically bent by the deforming device 126, one that it is folded or deformed. After the signature 40 has completely passed through the deforming device 126, the natural elasticity of the sheet material forming the signature causes it to reform into the original shape. The deformation 132 will therefore disappear after the signature 40 has left the deformation device 126.
  • the deformation 132 remains in the signature 40 as long as it is in the deformation device 126, in which the material of the signature 40 is bent elastically and the deformation 132 is maintained.
  • the opening 100 (FIG. 2) to a paddle wheel pocket 92, which is intended to receive a signature 40, is located at a distance from the deforming device 126 that is substantially less than the distance between the front and rear end parts 46 and 48 of the signature 40. Therefore, the signature 40 is still in contact with the deforming device 126 when it enters a pocket 92 of the impeller 74.
  • the deforming device 126 can thus maintain the deformation 132 in the signature 40 and keep it rigid, while the front end part 46 thereof moves through the space between the belt conveyor 64 and the paddle wheel 74.
  • the controlled delivery of a signature 40 into a paddle wheel pocket 92 can be improved by maintaining the deformation 132 during most of the time that the signature 40 is moving into the pocket. Accordingly, the deforming device 126 is close to the orbit 104 of the outer end or the tips 136 (FIG. 2) of the vane elements 96. This makes it possible for a signature 40 to be present for the majority of the time that it is being delivered from the delivery station 88 a pocket 92 is fed, can remain in contact with the deforming device 126.
  • the deforming device 126 protrudes between the bands 82 (see FIG. 3) in order to form the deformation 132 in the signature 40.
  • Deformer 126 may be any of the known designs.
  • the shaping device 126 has a shaping roller 140.
  • the shaping roller 140 has an immovable steel support 142 with cylindrical belt support segments 144.
  • the metal support 142 also has cylindrical intermediate segments Te 146 with a relatively small diameter, which are arranged coaxially between the band support segments 144.
  • the deforming roller 140 rotates about an axis which runs parallel to the axis of rotation of the impeller 74.
  • each band support segment 144 is in contact with one side of a band 82.
  • the tape support segment 144 presses the opposite side of the tape 82 against the major portion of a side surface 54 of a signature 40 (Fig. 3).
  • the surface speed of the belt support segment 144 and the transport speed of the belt 82 are the same so that there is no slippage between the belt support segment 144 and the belt 82.
  • the carrier roller 142 of the shaping device 126 is driven in a clock cycle relationship with a belt support roller 150 for the belts 84.
  • the metal belt support roller 150 has cylindrical belt support segments 152 which are in contact with the belts 84. It should be understood that even if the forming roller 140 and the belt support roller 150 in FIG. 3 appear to be perpendicular to one another, they are actually offset vertically from one another, as shown in FIGS. 1 and 2. However, rollers 140 and 150 can be oriented vertically if desired.
  • the deforming roller 140 and the belt support roller 150 are rotated at one and the same surface speed by intermeshing gears 156 and 158 (Fig. 3), and the gears 156 and 158 are attached to support bearing end portions 160 and 162 of the rollers 140 and 150 Support bearing end portions 160 and 162 are carried by an end wall 164 of the folder 10.
  • the opposite end portions of the rollers 140 and 150 are rotatably supported by fixed pins 166 and 168 which are connected to a second side wall 170 of the folder 10.
  • a cylindrical embossing segment 174 for contact with the signature 40 between the belts 82 is protruding on the forming roller 140.
  • the cylindrical embossing segment 174 has a larger diameter than the support and intermediate segments 144 and 146 of the shaping roller 140 and is arranged in a coaxial relationship therewith.
  • Cylindrical embossing segment 174 has a radius that is greater than the radius of band support segment 144 and the thickness of band 82 together.
  • the embossed segment 174 protrudes beyond the bands 82 in order to bend the signature elastically and to form the deformation 132 in the manner shown in FIG. 3.
  • the outside of the embossing segment 174 consists of a flexible, compensating material which does not fold the signature 40.
  • the embossing segment 174 exerts sufficient pressure on the signature 40 to bend it elastically and thus form the deformation 132. Since the signature 40 is deformed as long as it is in contact with the stamping segment 174, the deformation 132 remains in the signature 40 until it has moved out of the grip of the stamping segment.
  • the embossing segment 174 is arranged on a part of the carrier roller 142 with a relatively small diameter.
  • the embossing segment 174 is formed on a part of the carrier roller 142 which has the same diameter and the same axial dimension as an intermediate segment 146 of the carrier roller 142.
  • the die embossing segment 174 has an annular, polymeric body or support ring 180 (FIG. 5) which is attached to the carrier roller 142 and rotates therewith.
  • the support ring 180 has a cylindrical outer surface 182 with a radius which is approximately equal to the entire radius of a band support segment 144 (FIG. 3).
  • An elastic, flexible crown segment 186 (FIG. 5) is attached to and rotates with the support ring 180 and the deforming roller 140.
  • the crown segment 186 has an outer radius greater than the radius of the belt support segment 144 and the thickness of the belt 82 when together is attached to the surface 182 of the support ring 180. There is sufficient distance between the bands 82 so that the embossing segment 174 can protrude from the bands to form the deformation 132 in the signature 40.
  • the crown segment 186 comes into contact with the successive signatures 40 to form the deformations 132.
  • the cylindrical crown segment 186 is arranged in a coaxial relationship with the support ring 180.
  • the crown segment 186 is flexible in the radial direction, so that a signature 40 can be deformed in an elastic manner without this deformation remaining in the signature 40.
  • the resilient crown segment 186 has a cylindrical inner layer 190 which shields and extends coaxially with the support ring 180.
  • the cylindrical inner layer 190 consists of cloth or fabric.
  • the inner layer 190 is attached to the support ring 180 by means of a cylindrical adhesive layer 192.
  • a cylindrical outer layer 196 (FIG. 5) runs coaxially with the cylindrical inner layer 190 and shields it.
  • the cylindrical outer layer 196 consists of cloth or fabric, which, at least to a certain extent, resists is big.
  • the outer layer 196 is releasably connected to the inner layer 190 by a kind of hook-and-loop fastener 198, which is arranged between these two layers.
  • the hook-and-loop fastener 198 can be released to separate the outer layer 196 from the inner layer 190 and to replace the outer layer 196 when it is worn by contact with the signatures 40.
  • the hook-and-loop fastener 198 has a plurality of hooks 202 which are fixedly connected to the inner layer 190 and directed radially outwards.
  • the fastener 198 also has a plurality of loops 204 which are fixedly connected to the outer layer 196 and directed radially inwards.
  • the hooks 202 are releasably connected to the loops 204 to connect the inner and outer layers.
  • the hooks 202 and loops 204 are made of a synthetic material, which causes them to adhere to each other when pressed together.
  • hooks could protrude inward from the outer layer 196 and the loops could protrude outward from the inner layer 190 if desired.
  • This type of hook and loop fastener 198 is a well known design and commercially available under the trademark "VELCRO".
  • the hook-and-loop fastener 198 can be compressed, at least to some extent, so that the outer layer 196 yields or under the influence of forces transmitted to the outer layer 196 during the formation of the deformation 132 Inner layer 190 moved.
  • the crown segment 186 has a cylindrical outer surface 208 which comes into contact with the signature 40 (FIG. 5). This outside 208 is flexible to prevent the deformation 132 formed in the signature 40 from being permanent.
  • the cylindrical outer side 208 is formed by elastically bendable loops 210 which protrude radially outward from the outer layer 196.
  • the loops 210 are of the same nature as the loops 204 of the fastener 198.
  • the cylindrical outside 208 of the crown segment 186 leaves a minimal mark in the signature 40.
  • other types of crown segments can be used if desired, although the nature of the elastic outside 208 described herein is preferred.
  • the embossing segment 174 could be a chrome wheel, a round brush, a round plastic wheel, etc., if desired.
  • the outside 208 of the crown segment 186 moves at a higher surface speed than the signature 40. Therefore, when the deformation 132 is formed, there is slippage or shifted contact between the outside 208 of the crown segment 186 and the main part of a side surface 54 of a signature 40 ( Figures 3 and 4). This slip causes a kind of yielding, brushing contact between the crown segment 186 (FIG. 5) on the embossing segment 174 and a signature 40 in order to bend it elastically without permanently deforming it. If desired, the outer surface 208 of the crown segment 186 could move at the same speed as the signature 40.
  • crown segment 186 of the die embossing segment 174 allows the outer layer 196 to be easily separated from the inner layer 190 when the outer layer 196 is worn.
  • the hook-and-loop fastener 198 can thus easily be released to remove the worn outer layer 196 from the inner layer 190.
  • a new outer layer can then be easily reconnected to the inner layer 190 by the fastener 198 mentioned.
  • Crown segment 186 could also be different, if desired.
  • Other known designs of a deforming device are also contemplated.
  • the deforming device could have a fixed part for elastically deforming the signatures.
  • a single embossing segment 174 forms a single corrugation 132 in a signature 40.
  • a plurality of embossed segments are provided for forming a plurality of deformations in each signature 40. Since this embodiment shown in FIG. 6 is essentially the same as that shown in FIGS. 1 to 5, the same reference numbers will be used used to identify like parts, with the additional letter "a" referring to the parts in Figure 6 to avoid confusion.
  • a shaping device 126a comprises a shaping roller 142a with a plurality of shaping segments 174a.
  • Cylindrical embossing segments 174a project radially outward from cylindrical band support segments 144a further than the thickness of a radial cylindrical one Band support segment 144a and the thickness of a band 82a together.
  • the shaped embossing segments 174a protrude between the bands 82a which are spaced apart from one another and form a multiplicity of deformations in a signature which run at a distance from one another between their front and rear end parts.
  • three stamping segments 174a are shown in FIG. 6, a greater or lesser number of stamping segments can be used if desired.
  • each of the stamping segments 174a has the same nature as the stamping segment 174.
  • each stamping segment 174a has a polymeric support ring, which is fastened to a metal carrier roller 142a.
  • An elastic crown similar to crown 186 in FIG. 5 is connected to each of the support rings.
  • Each of the crowns has an inner and outer layer, releasably connected to one another by hook-and-loop fasteners.
  • the crowns have an outside formed by loops - similar to the loops in FIG. 5.
  • the present invention provides a new, improved signature transport device 14, in which a first transport means 64 includes a delivery station 88, at which signatures 40 are transferred to a second transport means 74.
  • a first transport means 64 includes a delivery station 88, at which signatures 40 are transferred to a second transport means 74.
  • a second transport means 74 In order to increase the speed at which the signatures 40 can move between the transport means 64 and 74, one or more deformations 132 are formed in the signatures 40 in order to stiffen them.
  • the deforming device 126 deforms the signatures 40 in an elastic manner and forms temporary deformations which disappear after the signatures have moved out of the deforming device.
  • the deformation device 126 is arranged at a distance from the second transport means 74 which is less than the distance between the front and rear End part 46 and 48 of a signature 40.
  • deforming device 126 in which a rotatable deforming roll 140 or 140a has been used to form one or more deformations in a signature.
  • deformers that do not permanently deform a signature could be used if desired. It is therefore contemplated that the deformations could be formed with one or more fixed guides that press against the signature. Another way to form deformations would be to use air blowers. If desired, opposed bands could be used on the opposite sides of the signatures to form the deformations. Therefore, the claims made by the present invention are not to be construed as being limited to any particular type of deforming device, except where required by the specific wording of a claim.

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  • 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)
  • Discharge By Other Means (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Transport von Signaturen, in welcher Signaturen (oder Bögen) nacheinander von einem Transportband auf ein anderes übertragen werden.The invention relates to a device for transporting signatures, in which signatures (or sheets) are successively transferred from one conveyor belt to another.

Eine aus der EP 0 205 116 A2 bekannte Signaturtransportvorrichtung hat einen Band- (oder Riemen)-Transport aufweist, welcher Signaturen nacheinander an eine Auslagestation befördert. An der Auslagestation werden die Signaturen in Taschen eines Schaufelrads übertragen. Das Schaufelrad befördert dann die Signaturen auf einen Auslage-Riemen- oder (Band)-Transport.A signature transport device known from EP 0 205 116 A2 has a belt (or belt) transport which conveys signatures one after the other to a delivery station. At the delivery station, the signatures are transferred into pockets of a paddle wheel. The paddle wheel then conveys the signatures onto a delivery belt or (belt) transport.

Die Betriebsgeschwindigkeit dieser bekannten Signaturtransportvorrichtung wird dadurch beschränkt, daß die Signaturen von dem Bandtransport in die Taschen des Schaufelrads übertragen werden. Die Signaturen bestehen aus einem oder mehreren Bögen biegsamen Materials, welches die Neigung hat, sich infolge Luftwiderstandes oder störender Strömungen nach außen zu beugen, so daß die Signaturen sich öffnen und/oder sich in eine ungewünschte Richtung bewegen können, während sie von dem Bandtransportmittel auf das Schaufelrad übertragen werden. Diese ungesteuerte Übertragung der Signaturen durch die Luft zwischen dem Bandtransport und dem Schaufelrad beschränkt die Transportgeschwindigkeit der Signaturen in mindestens einer bekannten Signaturtransportvorrichtung auf ungefähr 1.200 feet (= 366 m) pro Minute.The operating speed of this known signature transport device is limited in that the signatures are transferred from the belt transport into the pockets of the paddle wheel. The signatures are made from one or more sheets of flexible material which tend to bend outward due to air resistance or disruptive currents so that the signatures can open and / or move in an undesired direction as they move up from the tape conveyor the paddle wheel are transmitted. This uncontrolled transfer of the signatures through the air between the belt transport and the paddle wheel limits the transport speed of the signatures in at least one known signature transport device to approximately 1,200 feet (= 366 m) per minute.

Die vorliegende Erfindung sieht eine neue, verbesserte Signaturtransportvorrichtung vor, in welcher ein erstes Transportmittel eine Auslagestation einschließt, an welcher die Signaturen auf ein zweites Transportmittel übertragen werden. Um die Geschwindigkeit, mit welcher die Signaturen sich zwischen den Transportmitteln bewegen können, zu erhöhen, werden eine oder mehrere Verformungen in den Signaturen gebildet, um sie zu versteifen. Somit befindet sich eine Verformeinrichtung an der Auslagestation des ersten Transportmittels, welche aufeinanderfolgende Verformungen zwischen den vorderen und hinteren Endteilen der Signaturen bildet.The present invention provides a new, improved signature transport device in which a first transport means includes a delivery station, at which the signatures are transferred to a second transport means. In order to increase the speed at which the signatures can move between the means of transport, one or more deformations are formed in the signatures in order to stiffen them. There is thus a deformation device at the delivery station of the first transport means, which forms successive deformations between the front and rear end parts of the signatures.

Da es gewünscht ist, die Signaturen nach der Übertragung von dem ersten auf das zweite Transportmittel frei von Verformungen zu haben, werden die Signaturen durch die Verformeinrichtung auf elastische Weise verformt, so daß vorübergehend Verformungen entstehen, welche wieder schwinden, nachdem die Signaturen sich aus der Verformeinrichtung herausbewegt haben. Damit die Verformungen in den Signaturen während deren Beförderung mit hoher Geschwindigkeit zwischen den Transportmitteln erhalten bleiben, ist die Verformeinrichtung in einem Abstand von dem zweiten Transportmittel angebracht, welcher geringer ist als der Abstand zwischen dem vorderen und hinteren Endteil einer Signatur. Somit befindet sich während der Bewegung eines vorderen Teils der Signatur durch den Raum zwischen den beiden Transportmitteln und dessen anfänglichem Kontakt mit dem zweiten Transportmittel ein hinterer Teil der Signatur in der Verformeinrichtung.Since it is desired to have the signatures free from deformations after the transfer from the first to the second transport means, the signatures are deformed in an elastic manner by the deforming device, so that deformations occur temporarily, which disappear again after the signatures are removed from the Have moved the deforming device. In order that the deformations in the signatures are preserved between the means of transport during their transportation at high speed, the deforming device is arranged at a distance from the second means of transport which is less than the distance between the front and rear end parts of a signature. Thus, during the movement of a front part of the signature through the space between the two transport means and its initial contact with the second transport means, a rear part of the signature is in the deforming device.

Demgemäß ist es die Aufgabe dieser Erfindung, eine neue und verbesserte Signaturtransportvorrichtung zu schaffen, in welcher Signaturen von einem ersten auf ein zweites Transportmittel übertragen werden, und worin eine Verformeinrichtung an dem ersten Transportmittel sich in einem Abstand von dem zweiten Transportmittel befindet, der geringer ist als der Abstand zwischen dem vorderen und hinteren Endteil einer Signatur, so daß deren vorderes Endteil sich zum zweiten Transportmittel bewegen kann, während die Signatur noch mit der Verformeinrichtung im Kontakt ist.Accordingly, it is the object of this invention to provide a new and improved signature transport device in which signatures are transferred from a first to a second transport means and in which a deforming device on the first transport means is at a distance from the second transport means which is less than the distance between the front and rear end parts of a signature so that its front end part can move to the second transport means while the signature is still in contact with the deforming device.

Die hieroben genannte und andere Aufgaben und Merkmale der vorliegenden Erfindung werden durch die folgende Beschreibung und Erläuterungen anhand der beigefügten Zeichnungen verdeutlicht.The above and other objects and features of the present invention will become apparent from the following description and explanations with reference to the accompanying drawings.

  • Fig. 1 ist eine schematische Darstellung eines Falzapparats mit einer Signaturtransportvorrichtung, in welcher Signaturen von einem Bandtransport auf ein Schaufelrad übertragen werden;Fig. 1 is a schematic representation of a folder with a signature transport device in which signatures are transferred from a belt transport to a paddle wheel;
  • Fig. 2 ist eine vergrößerte, fragmentarische schematische Darstellung des Zusammenhangs zwischen einer Verformeinrichtung an einer Auslagestation des Bandtransports und dem Schaufelrad, während eine Signatur in das Schaufelrad bewegt wird;2 is an enlarged, fragmentary, schematic illustration of the relationship between a deforming device at a belt transport delivery station and the paddlewheel while a signature is being moved into the paddlewheel;
  • Fig. 3 ist eine vergrößerte, etwas schematisierte Draufsicht, welche aufzeigt, wie die Verformeinrichtung Verformungen in einer Signatur bildet;3 is an enlarged, somewhat schematic, plan view showing how the deforming device forms deformations in a signature;
  • Fig. 4 ist eine Darstellung Signatur mit darin gebildeten Verformungen;4 is an illustration of the signature with deformations formed therein;
  • Fig. 5 ist ein vergrößerter, fragmentarischer Querschnitt, welcher die Konstruktion eines Formprägesegments der Verformeinrichtung in Fig. 3 darstellt; undFig. 5 is an enlarged, fragmentary cross section illustrating the construction of a die embossing segment of the deforming device in Fig. 3; and
  • Fig. 6 ist eine fragmentarische, schematische Darstellung einer Verformwalze in einem Ausführungsbeispiel der Erfindung, welche eine Vielzahl von Verformungen in einer Signatur bildet.6 is a fragmentary, schematic illustration of a forming roll in one embodiment of the invention, which forms a plurality of deformations in a signature.

Die folgende Beschreibung bezieht sich auf ein bevorzugtes Ausführungsbeispiel der Erfindung.The following description relates to a preferred embodiment of the invention.

FalzapparatFolder

Ein Auslenkfalzapparat 10 (Fig. 1) umfaßt einen signaturbildenden Abschnitt 12 und einen signaturtransportierenden Abschnitt 14. Der signaturbildende Apparat 16 in dem signaturbildenden Abschnitt 12 kann betätigt werden zum Vorfalzen und Schneiden einer in Längsrichtung verlaufenden Bogenmaterialbahn 18. Der signaturbildende Apparat 16 hat Trichterwalzen 22, welche mit einem Falztrichter 19 zusammenwirken, um in bekannter Weise einen in Längsrichtung verlaufenden Vorfalz in der Bahn 18 zu bilden. Preßwalzen 24 und 26 pressen auf die Bahn 18, um den in Längsrichtung verlaufenden Vorfalz in der Bahn 18 weiter auszubilden.A deflection folder 10 (FIG. 1) comprises a signature-forming section 12 and a signature-transporting section 14. The signature-forming device 16 in the signature-forming section 12 can be actuated to pre-fold and cut a sheet material web 18 running in the longitudinal direction. The signature-forming device 16 has funnel rollers 22, which cooperate with a former 19 to form a longitudinal fold in the web 18 in a known manner. Press rolls 24 and 26 press on web 18 to further develop the longitudinal pre-fold in web 18.

Die vorgefalzte Bahn wird durch Einführwalzen 30 zu den Schneidezylindern 32 und 34 transportiert. Während jeder Umdrehung der Schneidezylinder 32, 34, schneiden oder trennen Messer die Bahn in einer senkrecht zum Vorfalz verlaufenden Richtung, um in bekannter Weise Signaturen 40 (Fig. 4) zu bilden.The pre-folded web is transported by feed rollers 30 to the cutting cylinders 32 and 34. During each revolution of the cutting cylinders 32, 34, knives cut or separate the web in a direction perpendicular to the pre-fold to form signatures 40 (FIG. 4) in a known manner.

Jede Signatur 40 hat einen geschlossenen oder vorgefalzten Kantenteil (42) (Fig. 4), welcher sich gegenüber einem offenkantigen Teil 44 befindet. Die Signatur 40 hat ein führendes Endteil 46 und ein hinteres Endteil 48,während diese sich aus den Schneidezylindern 32 und 34 herausbewegt. Wenn die Signatur 40 die Schneidezylinder 32 und 34 verläßt, ist der Hauptteil ihrer gegenüberliegenden äußeren Seitenflächen 52 und 54 flach.Each signature 40 has a closed or pre-folded edge part (42) (FIG. 4), which is located opposite an open-edged part 44. The signature 40 has a leading end portion 46 and a rear end portion 48 as it moves out of the cutting cylinders 32 and 34. When the signature 40 leaves the cutting cylinders 32 and 34, the majority of their opposite outer side surfaces 52 and 54 are flat.

Die Signaturtransportvorrichtung 14 umfaßt zwei Auslageabschnitte, d.h., einen linken Auslageabschnitt 58 und einen rechten Auslageabschnitt 60 (siehe Fig. 1). Der linke Auslageabschnitt 58 schließt einen ersten oder Bandtransport 64 ein, welcher die von dem signaturbildenden Apparat 12 erhaltenen Signaturen beschleunigt, um deren vordere und hintere Endteile zu trennen. Auslenkwalzen 68 und 70 richten jede zweite Signatur auf den linken Auslageabschnitt 58 und eine zweite Transportvorrichtung oder ein Schaufelrad 74.The signature transport device 14 includes two display sections, i.e., a left display section 58 and a right display section 60 (see Fig. 1). The left delivery section 58 includes a first or belt conveyor 64 which accelerates the signatures received from the signature-forming apparatus 12 to separate their front and rear end parts. Deflection rollers 68 and 70 direct every other signature onto the left delivery section 58 and a second transport device or a paddle wheel 74.

In dem rechten Auslageabschnitt 60 (Fig. 1) wirkt ein erster oder Bandtransport 76 mit dem Bandtransport 64 zusammen, um die von den Schneidezylindern 32 und 34 empfangenen Signaturen 40 nacheinander zu beschleunigen. Die Auslenkwalzen 68 und 70 befähigen den ersten oder Bandtransport 76, jede zweite Signatur in der Sequenz zu einem zweiten Transportmittel oder Schaufelrad 78 zu befördern.In the right delivery section 60 (FIG. 1), a first or belt conveyor 76 interacts with the belt conveyor 64 in order to successively accelerate the signatures 40 received by the cutting cylinders 32 and 34. The deflecting rollers 68 and 70 enable the first or belt transport 76 to convey every second signature in the sequence to a second transport means or paddle wheel 78.

Während des Betriebs des Falzapparats 10 empfangen die Auslenkwalzen 68 und 70 einen gleichmäßigen Strom von Signaturen von dem Schneidezylinder 32 und 34. Die Signaturen werden beschleunigt durch das Zusammenwirken zwischen den Bandtransporten 64 und 76, um die Signaturen vor deren Einlauf in den Spalt zwischen den Auslenkwalzen 68 und 70 ein wenig zu spalten. Die Auslenkwalzen 68 und 70 drehen sich in einem Zeittaktverhältnis mit den Schneidezylindern 32 und 34 und richten die Signaturen alternierend auf den linken und rechten Auslageabschnitt 58 und 60. Wenn also eine Signatur von den Auslenkwalzen 68 und 70 auf den linken Auslageabschnitt 58 gerichtet wird, dann wird die nächstfolgende Signatur auf den rechten Auslageabschnitt 60 gerichtet.During operation of the folder 10, the deflection rollers 68 and 70 receive a steady stream of signatures from the cutting cylinder 32 and 34. The signatures are accelerated by the interaction between the belt transports 64 and 76 to the signatures before they enter the nip between the deflection rollers 68 and 70 to split a little. Deflection rollers 68 and 70 rotate in a timed relationship with cutting cylinders 32 and 34 and alternately direct the signatures to left and right delivery sections 58 and 60. Thus, if a signature is directed from deflection rolls 68 and 70 to left delivery section 58, then the next signature is directed to the right display section 60.

Wenn die Auslenkwalzen 68 und 70 sich in der Position befinden, wie in Fig. 1 gezeigt, dann sind diese in der Lage, eine Signatur auf den linken Auslageabschnitt 58 auszulenken. Wenn die Auslenkwalzen 68 und 70 von der in Fig. 1 gezeigten Position um 180 Grad rotiert worden sind, dann sind diese in der Lage, eine Signatur auf den rechten Auslageabschnitt 60 auszulenken. Die Art und Weise, in welcher die Auslenkwalzen 68 und 70 zusammenwirken, um Signaturen sequentiell auf den linken und rechten Auslageabschnitt 58 und 60 zu richten, ist bekannt und wird hier nicht weiter beschrieben, um Weitschweifigkeit zu vermeiden.When the deflection rollers 68 and 70 are in the position as shown in FIG. 1, they are able to deflect a signature onto the left delivery section 58. If the deflection rollers 68 and 70 have been rotated by 180 degrees from the position shown in FIG. 1, then they are able to deflect a signature onto the right delivery section 60. The manner in which the deflection rollers 68 and 70 cooperate to sequentially direct signatures onto the left and right delivery sections 58 and 60 is known and will not be described further here to avoid proliferation.

Der erste oder Bandtransport 64 in dem linken Auslageabschnitt 58 umfaßt mehrere sich im Abstand voneinander befindliche, relativ schmale obere Bänder 82, welche mit dem Hauptteil einer Seitenfläche (54) einer Signatur (40) im Kontakt sind. Desgleichen sind mehrere, sich im Abstand voneinander befindliche, relativ schmale untere Bänder 84 mit dem Hauptteil der gegenüberliegenden Seitenfläche (52) einer Signatur 40 im Kontakt. Die Signatur 40 wird zwischen den Bändern 82 und 84 festgehalten und von diesen gesteuert und mit relativ hoher Geschwindigkeit bewegt.The first or belt transport 64 in the left delivery section 58 comprises a plurality of relatively narrow upper belts 82 which are spaced apart and which are in contact with the main part of a side surface (54) of a signature (40). Likewise, a plurality of spaced apart, relatively narrow lower bands 84 are in contact with the major portion of the opposite side surface (52) of a signature 40. The signature 40 is held between the belts 82 and 84 and controlled by them and moved at a relatively high speed.

Es ist zu betonen, daß, auch wenn nur ein einziges Band 82 in Fig. 1 gezeigt worden ist, eine Mehrzahl von im Abstand voneinander angeordneten Bändern 82 vorhanden ist, genau gesagt sechs Bänder (siehe Fig. 3), welche mit dem Hauptteil der einen Seitenfläche 54 einer Signatur (40) im Kontakt sind. Desgleichen ist zu betonen, daß, auch wenn nur ein einziges Band 84 in Fig. 1 gezeigt worden ist, sechs im Abstand voneinander angeordnete Bänder 84 (Fig. 3) vorhanden sind, welche mit dem Hauptteil der anderen Seitenfläche 52 einer Signatur 40 im Kontakt sind in Positionen gegenüber denen, wo die Bänder 82 mit den Signaturen im Kontakt sind. Die Bänder 82 und 84 erstrecken sich um Führungsrollen und erfassen die einander gegenüberliegenden Seiten einer Signatur 40, um diese in bekannter Weise zu befördern, ohne Schlupf zwischen den Bändern und den Signaturen.It should be emphasized that even if only a single band 82 has been shown in FIG. 1, there are a plurality of spaced-apart bands 82, specifically six bands (see FIG. 3), which are associated with the main part of FIG a side surface 54 of a signature (40) is in contact. Likewise, it should be emphasized that, even though only a single band 84 has been shown in FIG. 1, there are six spaced-apart bands 84 (FIG. 3) which contact the major portion of the other side surface 52 of a signature 40 are in positions opposite to where the tapes 82 are in contact with the signatures. The tapes 82 and 84 extend around guide rollers and engage the opposite sides of a signature 40 to convey in a known manner without slippage between the tapes and the signatures.

In der hier gezeigten Ausführung der Erfindung ist das zweite Transportmittel 74 ein drehbares Schaufelrad. Das Schaufelrad 74 empfängt die Signaturen 40 von dem Bandtransport 64. Somit hat der Bandtransport 64 eine Auslagestation 88 (Fig. 2), wo die Signaturen von dem ersten oder Bandtransport 64 auf das zweite Transportmittel oder Schaufelrad 74 übertragen werden. Falls gewünscht, können der Bandtransport 64 und/oder das Schaufelrad 74 durch andere bekannte Typen Transportmittel ersetzt werden.In the embodiment of the invention shown here, the second transport means 74 is a rotatable paddle wheel. The paddle wheel 74 receives the Si gnatur 40 of the belt conveyor 64. Thus, the belt conveyor 64 has a delivery station 88 (Fig. 2), where the signatures from the first or belt conveyor 64 are transferred to the second transport means or paddle wheel 74. If desired, the belt conveyor 64 and / or the paddle wheel 74 can be replaced by other known types of transportation means.

Das Schaufelrad 74 hat eine rundum angeordnete Reihe von Taschen 92 (Fig. 2), welche sich von einer Nabe 94 aus radial nach außen erstrekken. Die Taschen 92 werden von angrenzenden Schaufeln oder Radelementen 96 gebildet. Die Radelemente 96 wirken so zusammen, daß sie die äußeren Endteile 100 der Taschen 92 bilden. Diese offenen äußeren Endteile 100 der Taschen 92 bewegen sich in der Runde, wie durch eine gestrichelte Linie 104 in Fig. 2 angegeben. Die Umdrehungsachse des Schaufelrads 74 erstreckt sich senkrecht zu den Längsachsen der Bänder 82 und 84.The paddle wheel 74 has an all-round row of pockets 92 (FIG. 2), which extend radially outward from a hub 94. The pockets 92 are formed by adjacent blades or wheel elements 96. The wheel members 96 cooperate to form the outer end portions 100 of the pockets 92. These open outer end portions 100 of the pockets 92 move in a circle as indicated by a dashed line 104 in FIG. 2. The axis of rotation of the impeller 74 extends perpendicular to the longitudinal axes of the belts 82 and 84.

Wenn das offene Endteil 100 einer Tasche 92 nach oben gerichtet und an der Auslagestation 88 ist, bewegt sich eine Signatur 40 in die Tasche hinein, wie schematisch in Fig. 2 gezeigt. Nachdem das Schaufelrad 74 sich um ungefähr 180 Grad gedreht hat, bewegt sich die Signatur unter dem Einfluß der Schwerkraft oder eines mechanischen Abstreifarms aus der Tasche heraus auf einen dritten oder Auslage-Riementransport 108 (Fig. 1).When the open end portion 100 of a pocket 92 is upward and at the delivery station 88, a signature 40 moves into the pocket, as shown schematically in FIG. 2. After the paddle wheel 74 has rotated approximately 180 degrees, the signature moves out of the pocket under the influence of gravity or a mechanical scraper arm onto a third or delivery belt conveyor 108 (FIG. 1).

Wenn eine Signatur 40 sich in der schematisch in Fig. 2 angegebenen Weise in eine Tasche 92 hineinbewegt, schiebt sich der vordere Endteil 46 der Signatur durch das offene Außenende 100 der Tasche. Während sich das Schaufelrad 74 im Uhrzeigersinn weiterdreht, wie in Fig. 2 gezeigt, bewegt der Bandtransport 64 die Signatur 40 nach unten in eine Tasche 92 mit einer Geschwindigkeit, welche höher ist als die Geschwindigkeit, mit welcher das Schaufelrad 74 die Tasche von der Auslagestation 88 wegbewegt.When a signature 40 moves into a pocket 92 in the manner shown schematically in FIG. 2, the front end portion 46 of the signature pushes through the open outer end 100 of the pocket. As the paddle wheel 74 continues to rotate clockwise, as shown in Fig. 2, the belt conveyor 64 moves the signature 40 down into a pocket 92 at a speed greater than the speed at which the paddle wheel 74 removes the pocket from the delivery station 88 moved away.

Während die Tasche weitergedreht wird und die Signatur 40 sich in der Tasche nach unten bewegt, wird deren hinteres Endteil von dem Bandtransport 64 an der Auslagestation 88 freigegeben. Die Signatur 40 fällt dann frei nach unten in die Tasche 92 unter dem vereinten Einfluß ihres Bewegungsmoments und ihrer Schwerkraft. Während des freien Falls der Signatur 40 in die Tasche 92, berührt das vordere Endteil 46 der Signatur ein geschlossenes inneres Endteil oder den Boden 112 der Tasche 92.While the bag is being rotated further and the signature 40 moves downward in the bag, its rear end part is released by the belt transport 64 at the delivery station 88. The signature 40 then falls freely down into the pocket 92 under the combined influence of its moment of motion and its gravity. During the free fall of the signature 40 into the pocket 92, the front end portion 46 of the signature touches a closed inner end portion or the bottom 112 of the pocket 92.

Nachdem eine Signatur 40 den Bandtransport 64 verlassen hat und in einer Tasche 92 aufgenommen wurde, wird diese durch die Umdrehung des Schaufelrads 74 herumbewegt an eine Position gegenüber der Auslagestation 88. Die Signatur 40 fällt dann aus der Tasche 92 heraus auf den Auslage-Riementransport 108 (Fig. 1), worauf diese aus dem Falzapparat 10 herausbefördert wird.After a signature 40 has left the belt conveyor 64 and has been received in a pocket 92, the paddle wheel 74 rotates it to a position opposite the delivery station 88. The signature 40 then falls out of the pocket 92 onto the delivery belt conveyor 108 (Fig. 1), whereupon it is conveyed out of the folder 10.

Der Bandtransport 76, das Schaufelrad 78 und ein Auslage-Riementransport 116 in dem rechten Auslageabschnitt 60 wirken zusammen in derselben Weise, wie dies hier oben für den Bandtransport 64, das Schaufelrad 74 und den Auslage-Riementransport 108 des linken Auslageabschnitts 58 beschrieben ist. Somit bewegen sich Signaturen 40 sequentiell von einer Auslagestation 120 (Fig. 1) des Bandtransports 76 in die Taschen eines drehbaren Schaufelrads 78. Die Signaturen 40 werden von dem Schaufelrad 78 auf den Auslage-Riementransport 116 übertragen.The belt conveyor 76, the paddle wheel 78 and a delivery belt conveyor 116 in the right delivery section 60 act together in the same manner as described here above for the belt transport 64, the paddle wheel 74 and the delivery belt transport 108 of the left delivery section 58. Thus, signatures 40 move sequentially from a delivery station 120 (FIG. 1) of the belt conveyor 76 into the pockets of a rotatable paddle wheel 78. The signatures 40 are transferred from the paddle wheel 78 to the delivery belt conveyor 116.

Die generelle Konstruktion und Funktionsart der o.g. Bauteile des Falzapparats 10 sind bekannt. Bandtransporte sind schon früher benutzt worden, um Signaturen in Schaufelräder zu befördern. Auch die Schaufelräder sind schon früher benutzt worden, um Signaturen auf Auslage-Transportriemen zu übertragen.The general construction and function of the above Components of the folder 10 are known. Belt transports have been used to transport signatures into paddle wheels. The paddle wheels have also been used to transfer signatures to delivery conveyor belts.

In der dargestellten Ausführung der Erfindung wird es vorgezogen, zwei Bandtransporte 64 und 76 mit zwei Schaufelrädern 74 und 78 zu benutzen. Jedoch könnte eine größere oder kleinere Anzahl Transportmittel benutzt werden, falls dies gewünscht ist. Auch könnten Typen Transportmittel, welche sich von den dargestellten Transportmitteln unterscheiden, verwendet werden, falls dies gewünscht ist. Zum Beispiel könnte das zweite Transportmittel 74 eine lineare Reihe von Taschen haben. Sicherlich könnten andere bekannte Typen signaturformender Apparate 16 benutzt werden, falls dies gewünscht ist.In the illustrated embodiment of the invention, it is preferred to use two belt transports 64 and 76 with two paddle wheels 74 and 78. However, a greater or lesser number of means of transportation could be used if desired. Types of means of transport that differ from the means of transport shown could also be used, if desired. For example, the second transport 74 could have a linear array of pockets. Certainly other known types of signature shaping apparatus 16 could be used if desired.

WellvorrichtungCorrugated device

Nach einem Merkmal der vorliegenden Erfindung befindet sich eine Verformeinrichtung 126 (Figuren 1, 2 und 3) an der Auslagestation 88. Die Verformeinrichtung 126 versteift die Signaturen 40, indem diese eine Verformung 132 (Fig. 4) in jeder Signatur bildet. Die Verformung 132 verläuft von dem vorderen Endteil 46 zu dem hinteren Endteil 48 der Signatur 40. Die Verformung 132 versteift die Signatur 40 und bewirkt, daß diese geschlossen bleibt und sich nicht durchbiegt, während ihrer Bewegung von der Auslagestation 88 zu dem Schaufelrad 74 (Fig. 1). Ohne Verformung 132 neigt die Signatur 40, sich durchzubiegen und/oder ihr vorderes Endteil 46 sich zu öffnen, während sie von der Auslagestation 88 zu dem Schaufelrad 74 bewegt wird.According to a feature of the present invention, a deforming device 126 (FIGS. 1, 2 and 3) is located at the delivery station 88. The deforming device 126 stiffens the signatures 40 by forming a deformation 132 (FIG. 4) in each signature. Deformation 132 extends from front end portion 46 to rear end portion 48 of signature 40. Deformation 132 stiffens signature 40 and causes it to remain closed and not sag as it moves from delivery station 88 to paddle wheel 74 (Fig . 1). Without deformation 132, the signature 40 tends to sag and / or open its front end portion 46 as it is moved from the delivery station 88 to the paddle wheel 74.

Jedoch durch die Bildung einer Verformung 132 in den Signaturen 40 werden diese versteift und dadurch ein Durchbiegen des Signaturmaterials verhindert, so daß die Signatur 40 dazu neigt, geschlossen zu bleiben und sich nicht durchzubiegen, während sie sich von der Auslagestation 88 in eine Tasche 92 des Schaufelrads 74 hineinb.awegt. Da durch die Verformung 132 die Signatur 40 steif bleibt und sich nicht durchbiegt, während sie sich durch den Raum zwischen der Auslagestation 88 und dem Schaufelrad 74 bewegt, kann sie mit relativ hoher Geschwindigkeit von dem ersten oder Bandtransport 64 zu dem zweiten Transportmittel oder Schaufelrad 74 bewegt werden. In einem spezifischen Falzapparat war es durch diese zusätzliche Verformung 132 möglich, die Transportgeschwindigkeit der Signaturen 40 von ca. 1,200 feet (= 366 m) pro Minute auf zwischen 1,800 und 2,000 feet (= 549 m und 610 m) pro Minute zu erhöhen.However, the formation of a deformation 132 in the signatures 40 stiffens them and thereby prevents the signature material from bending, so that the signature 40 tends to remain closed and not to bend conditions as it moves from the delivery station 88 into a pocket 92 of the paddle wheel 74. Since the signature 40 remains rigid due to the deformation 132 and does not bend as it moves through the space between the delivery station 88 and the paddle wheel 74, it can move from the first or belt transport 64 to the second transport means or paddle wheel 74 at a relatively high speed be moved. In a specific folder, this additional deformation 132 made it possible to increase the transport speed of the signatures 40 from approximately 1,200 feet (= 366 m) per minute to between 1,800 and 2,000 feet (= 549 m and 610 m) per minute.

Die genaue Geschwindigkeit, mit welcher eine verformte Signatur 40 von dem ersten Transportmittel 64 zu dem zweiten Transportmittel 74 bewegt werden kann, wird aufgrund vieler Faktoren variieren. Somit kann die Geschwindigkeit, mit welcher sich die verformte Signatur zwischen den Transportmitteln bewegt, schwanken aufgrund der unterschiedlichen Dicke und/oder Flexibilität des Materials der Signatur. Jedoch kann durch die Bildung der Verformung 132 in einer Signatur 40 die Geschwindigkeit, mit welcher diese zwischen den Transportmitteln bewegt werden kann, bedeutend gesteigert werden. Da viele Faktoren die Geschwindigkeit, mit welcher Signaturen 40 von dem Bandtransport 64 dem Schaufelrad 74 zugeführt werden, beeinflussen können, sollte es verstanden sein, daß die vorliegende Erfindung sich nicht auf eine bestimmte Signaturzufuhrgeschwindigkeit beschränkt.The exact speed at which a deformed signature 40 can be moved from the first transport means 64 to the second transport means 74 will vary due to many factors. Thus, the speed at which the deformed signature moves between the transport means can fluctuate due to the different thickness and / or flexibility of the material of the signature. However, by forming the deformation 132 in a signature 40, the speed at which it can be moved between the means of transport can be significantly increased. Since many factors can affect the speed at which signatures 40 are fed from the tape conveyor 64 to the paddle wheel 74, it should be understood that the present invention is not limited to any particular signature supply speed.

Obwohl die Verformung 132 die Signaturen 40 versteift, so daß diese sequentiell mit relativ hoher Geschwindigkeit von dem Bandtransport 64 auf das Schaufelrad 74 übertragen werden können, sollten die Signaturen glatte Seitenflächenhauptteile 52 und 54 haben, wenn diese aus dem Falzapparat 10 kommen. Das heißt, daß die Verformung 132 vorübergehend und schwindet, nachdem sich die Signatur 40 in das Schaufelrad 74 hineinbewegt hat.Although the deformation 132 stiffens the signatures 40 so that they can be sequentially transferred from the belt conveyor 64 to the paddle wheel 74 at a relatively high speed, the signatures should have smooth side surface main parts 52 and 54 when they come out of the folder 10. That is, the deformation 132 temporarily and disappears after the signature 40 has moved into the impeller 74.

Damit die Verformung 132 wieder schwindet, erfolgt eine elastische Abbiegung der Signatur 40 durch die Verformeinrichtung 126, one daß diese gefaltet oder mißformt wird. Nachdem die Signatur 40 die Verformeinrichtung 126 ganz durchlaufen hat, bewirkt die natürliche Elastizität des die Signatur bildenden Bogenmaterials, daß diese sich in die ursprüngliche Form zurückformt. Die Verformung 132 wird also schwinden, machdem die Signatur 40 die Verformeinrichtung 126 verlassen hat.So that the deformation 132 disappears again, the signature 40 is elastically bent by the deforming device 126, one that it is folded or deformed. After the signature 40 has completely passed through the deforming device 126, the natural elasticity of the sheet material forming the signature causes it to reform into the original shape. The deformation 132 will therefore disappear after the signature 40 has left the deformation device 126.

Die Verformung 132 bleibt in der Signatur 40,solange sich diese in der Verformeinrichtung 126 befindet, worin das Material der Signatur 40 elastisch abgebogen und die Verformung 132 aufrechterhalten wird.The deformation 132 remains in the signature 40 as long as it is in the deformation device 126, in which the material of the signature 40 is bent elastically and the deformation 132 is maintained.

Die Öffnung 100 (Fig. 2) zu einer Schaufelradtasche 92, welche eine Signatur 40 aufnehmen soll, befindet sich in einem Abstand von der Verformeinrichtung 126, der wesentlich geringer ist als der Abstand zwischen dem vorderen und hinteren Endteil 46 und 48 der Signatur 40. Deshalb ist die Signatur 40 noch mit der Verformeinrichtung 126 im Kontakt, wenn diese in eine Tasche 92 des Schaufelrads 74 eintritt. Die Verformeinrichtung 126 kann also die Verformung 132 in der Signatur 40 aufrechterhalten und diese steifhalten, während deren vorderer Endteil 46 sich durch den Raum zwischen dem Bandtransport 64 und dem Schaufelrad 74 bewegt.The opening 100 (FIG. 2) to a paddle wheel pocket 92, which is intended to receive a signature 40, is located at a distance from the deforming device 126 that is substantially less than the distance between the front and rear end parts 46 and 48 of the signature 40. Therefore, the signature 40 is still in contact with the deforming device 126 when it enters a pocket 92 of the impeller 74. The deforming device 126 can thus maintain the deformation 132 in the signature 40 and keep it rigid, while the front end part 46 thereof moves through the space between the belt conveyor 64 and the paddle wheel 74.

Die gesteuerte Zufuhr einer Signatur 40 in eine Schaufelradtasche 92 kann verbessert werden durch die Aufrechterhaltung der Verformung 132 während des größten Teils der Zeit, in welcher die Signatur 40 sich in die Tasche bewegt. Demgemäß befindet sich die Verformeinrichtung 126 nahe an der Umlaufbahn 104 des äußeren Endes oder der Spitzen 136 (Fig. 2) der Schaufelelemente 96. Dadurch ist es möglich, daß eine Signatur 40 für den großen Teil der Zeit, in welcher diese von der Auslagestation 88 einer Tasche 92 zugeführt wird, im Kontakt mit der Verformeinrichtung 126 bleiben kann.The controlled delivery of a signature 40 into a paddle wheel pocket 92 can be improved by maintaining the deformation 132 during most of the time that the signature 40 is moving into the pocket. Accordingly, the deforming device 126 is close to the orbit 104 of the outer end or the tips 136 (FIG. 2) of the vane elements 96. This makes it possible for a signature 40 to be present for the majority of the time that it is being delivered from the delivery station 88 a pocket 92 is fed, can remain in contact with the deforming device 126.

Wenn der hintere Endteil 48 einer Signatur 40 die Verformeinrichtung 126 verläßt, werden mehr als 50% der Signaturlänge zwischen dem vorderen und hinteren Endteil 46 und 48 der Signatur 40 in einer Tasche 92 des Schaufelrads 74 aufgenommen sein. Dies bedeutet, daß die Verformung 132 während der meisten Zeit der Zufuhr einer Signatur 40 in eine Tasche 92 von der Verformeinrichtung 126 aufrechterhalten wird, so daß die Signatur 40 relativ steif bleibt und leicht zu steuern ist.When the rear end portion 48 of a signature 40 leaves the deforming device 126, more than 50% of the signature length between the front and rear end portions 46 and 48 of the signature 40 will be accommodated in a pocket 92 of the paddle wheel 74. This means that the deformation 132 is maintained by the deforming means 126 during most of the time a signature 40 is fed into a pocket 92 so that the signature 40 remains relatively stiff and is easy to control.

Wenn der hintere Endteil 48 einer Signatur 40 die Verformeinrichtung 126 verläßt, endet der Druck auf die Signatur 40 zum Bilden der Verformung 132. Zu diesem Zeitpunkt beginnt die Verformung 132 in der Signatur 40 durch die natürliche Elastizität des Materials wieder zu schwinden. Auch wenn eine leichte Verformung 132 noch vorhanden sein mag, wird diese im wesentlichen verschwunden sein zum Zeitpunkt der Plazierung der Signatur 40 auf dem Auslage-Riementransport 108 (Fig. 1).When the rear end portion 48 of a signature 40 leaves the deforming device 126, the pressure on the signature 40 to form the deformation 132 ends. At this point the deformation 132 in the signature 40 begins to disappear again due to the natural elasticity of the material. Even if there is still a slight deformation 132, this will essentially have disappeared at the time the signature 40 is placed on the delivery belt conveyor 108 (FIG. 1).

Die Verformeinrichtung 126 ragt zwischen den Bändern 82 hervor (siehe Fig. 3), um die Verformung 132 in der Signatur 40 zu bilden. Die Verformeinrichtung 126 kann irgendeine der bekannten Ausführungen sein. In dem dargestellten Ausführungsbeispiel der Erfindung hat die Verformeinrichtung 126 eine Verformwalze 140. Die Verformwalze 140 hat einen unbeweglichen Stahlträger 142 mit zylindrischen Bandstützsegmenten 144. Der Metallträger 142 hat auch zylindrische Zwischensegmente 146 mit relativ kleinem Durchmesser, welche koaxial zwischen den Bandstützsegmenten 144 angeordnet sind. Die Verformwalze 140 dreht sich um eine Achse, welche parallel zur Umdrehungsachse des Schaufelrads 74 verläuft.The deforming device 126 protrudes between the bands 82 (see FIG. 3) in order to form the deformation 132 in the signature 40. Deformer 126 may be any of the known designs. In the illustrated embodiment of the invention, the shaping device 126 has a shaping roller 140. The shaping roller 140 has an immovable steel support 142 with cylindrical belt support segments 144. The metal support 142 also has cylindrical intermediate segments Te 146 with a relatively small diameter, which are arranged coaxially between the band support segments 144. The deforming roller 140 rotates about an axis which runs parallel to the axis of rotation of the impeller 74.

Eine zylindrische äußere Seitenfläche eines jeden Bandstützsegments 144 ist mit einer Seite eines Bandes 82 im Kontakt. Das Bandstützsegment 144 preßt die gegenüberliegende Seite des Bandes 82 gegen den Hauptteil einer Seitenfläche 54 einer Signatur 40 (Fig. 3). Die Oberflächengeschwindigkeit des Bandstützsegments 144 und die Transportgeschwindigkeit des Bandes 82 ist die gleiche, so daß es keinen Schlupf zwischen dem Bandstützsegment 144 und dem Band 82 gibt.A cylindrical outer side surface of each band support segment 144 is in contact with one side of a band 82. The tape support segment 144 presses the opposite side of the tape 82 against the major portion of a side surface 54 of a signature 40 (Fig. 3). The surface speed of the belt support segment 144 and the transport speed of the belt 82 are the same so that there is no slippage between the belt support segment 144 and the belt 82.

Die Trägerwalze 142 der Verformeinrichtung 126 wird in einem Zeittaktverhältnis mit einer Bandstützwalze 150 für die Bänder 84 angetrieben. Die metallene Bandstützwalze 150 hat zylindrische Bandstützsegmente 152, welche im Kontakt mit den Bändern 84 sind. Es sollte verstanden sein, daß, auch wenn die Verformwalze 140 und die Bandstützwalze 150 in Fig. 3 als sich senkrecht aneinander anschließend erscheinen, diese eigentlich senkrecht voneinander abgesetzt sind, wie in den Figuren 1 und 2 gezeigt. Jedoch die Walzen 140 und 150 können senkrecht ausgerichtet sein, falls gewünscht.The carrier roller 142 of the shaping device 126 is driven in a clock cycle relationship with a belt support roller 150 for the belts 84. The metal belt support roller 150 has cylindrical belt support segments 152 which are in contact with the belts 84. It should be understood that even if the forming roller 140 and the belt support roller 150 in FIG. 3 appear to be perpendicular to one another, they are actually offset vertically from one another, as shown in FIGS. 1 and 2. However, rollers 140 and 150 can be oriented vertically if desired.

Die Verformwalze 140 und die Bandstützwalze 150 werden durch ineinandergreifende Zahnräder (156 und 158 (Fig. 3) in einem Zeittaktverhältnis zueinander mit ein und derselben Oberflächengeschwindigkeit gedreht. Die Zahnräder 156 und 158 sind an Stützlagerendteilen 160 und 162 der Walzen 140 und 150 befestigt. Die Stützlagerendteile 160 und 162 werden von einer Endwand 164 des Falzapparats 10 getragen. Die sich gegenüberliegenden Endteile der Walzen 140 und 150 werden drehbar gestützt von fest angebrachten Zapfen 166 und 168, welche mit einer zweiten Seitenwand 170 des Falzapparats 10 verbunden sind.The deforming roller 140 and the belt support roller 150 are rotated at one and the same surface speed by intermeshing gears 156 and 158 (Fig. 3), and the gears 156 and 158 are attached to support bearing end portions 160 and 162 of the rollers 140 and 150 Support bearing end portions 160 and 162 are carried by an end wall 164 of the folder 10. The opposite end portions of the rollers 140 and 150 are rotatably supported by fixed pins 166 and 168 which are connected to a second side wall 170 of the folder 10.

Auf der Verformwalze 140 ist ein zylindrisches Formprägesegment 174 für den Kontakt mit der Signatur 40 zwischen den Bändern 82 herausragend angeordnet. Das zylindrische Formprägesegment 174 hat einen größeren Durchmesser als die Stütz- und Zwischensegmente 144 und 146 der Verformwalze 140 und ist in einem koaxialen Verhältnis mit diesen angeordnet. Das zylindrische Formprägesegment 174 hat einen Radius, welcher größer ist als der Radius des Bandstützsegments 144 und die Dicke des Bandes 82 zusammen. Somit ragt das Formprägesegment 174 über die Bänder 82 hinaus, um die Signatur elastisch abzubiegen und die Verformung 132 in der in Fig. 3 dargestellten Weise zu bilden.A cylindrical embossing segment 174 for contact with the signature 40 between the belts 82 is protruding on the forming roller 140. The cylindrical embossing segment 174 has a larger diameter than the support and intermediate segments 144 and 146 of the shaping roller 140 and is arranged in a coaxial relationship therewith. Cylindrical embossing segment 174 has a radius that is greater than the radius of band support segment 144 and the thickness of band 82 together. Thus, the embossed segment 174 protrudes beyond the bands 82 in order to bend the signature elastically and to form the deformation 132 in the manner shown in FIG. 3.

Damit das Formprägesegment 174 die Signatur 40 elastisch abbiegen kann, um eine vorübergehende Verformung 132 in der Signatur zu bilden, besteht die Außenseite des Formprägesegments 174 aus einem flexiblen, ausgleichenden Material, welches die Signatur 40 nicht faltet. Jedoch übt das Formprägesegment 174 genügend Druck auf die Signatur 40 aus, um diese elastisch abzubiegen und so die Verformung 132 zu bilden. Da die Signatur 40 verformt wird solange diese mit dem Formprägesegment 174 im Kontakt ist, bleibt die Verformung 132 in der Signatur 40 bis diese sich aus dem Griff des Formprägesegment herausbewegt hat.In order that the embossing segment 174 can bend the signature 40 elastically to form a temporary deformation 132 in the signature, the outside of the embossing segment 174 consists of a flexible, compensating material which does not fold the signature 40. However, the embossing segment 174 exerts sufficient pressure on the signature 40 to bend it elastically and thus form the deformation 132. Since the signature 40 is deformed as long as it is in contact with the stamping segment 174, the deformation 132 remains in the signature 40 until it has moved out of the grip of the stamping segment.

Das Formprägesegment 174 ist auf einem Teil der Trägerwalze 142 mit relativ kleinem Durchmesser angeordnet. Somit ist das Formprägesegment 174 auf einem Teil der Trägerwalze 142 ausgebildet, welches den gleichen Durchmesser und das gleiche axiale Ausmaß hat wie ein Zwischensegment 146 der Trägerwalze 142.The embossing segment 174 is arranged on a part of the carrier roller 142 with a relatively small diameter. Thus, the embossing segment 174 is formed on a part of the carrier roller 142 which has the same diameter and the same axial dimension as an intermediate segment 146 of the carrier roller 142.

Das Formprägesegment 174 hat einen ringförmigen, polymerischen Körper oder Stützring 180 (Fig. 5), welcher an der Trägerwalze 142 befestigt ist und sich mit dieser dreht. der Stützring 180 hat eine zylindrische Außenfläche 182 mit einem Radius, welcher ungefähr gleich dem gesamten Radius eines Bandstützsegments 144 (Fig. 3) ist.The die embossing segment 174 has an annular, polymeric body or support ring 180 (FIG. 5) which is attached to the carrier roller 142 and rotates therewith. the support ring 180 has a cylindrical outer surface 182 with a radius which is approximately equal to the entire radius of a band support segment 144 (FIG. 3).

Ein elastisches, biegsames Kronensegment 186 (Fig. 5) ist an dem Stützring 180 befestigt und dreht sich mit diesem und der Verformwalze 140. Das Kronensegment 186 hat einen Außenradius größer als der Radius des Bandstützsegments 144 und die Dicke des Bandes 82 zusammen, wenn es auf der Oberfläche 182 des Stützrings 180 befestigt ist. Es ist genügend Abstand zwischen den Bändern 82, so daß das Formprägesegment 174 aus den Bändern herausragen kann, um die Verformung 132 in der Signatur 40 zu bilden.An elastic, flexible crown segment 186 (FIG. 5) is attached to and rotates with the support ring 180 and the deforming roller 140. The crown segment 186 has an outer radius greater than the radius of the belt support segment 144 and the thickness of the belt 82 when together is attached to the surface 182 of the support ring 180. There is sufficient distance between the bands 82 so that the embossing segment 174 can protrude from the bands to form the deformation 132 in the signature 40.

Das Kronensegment 186 kommt mit den aufeinanderfolgenden Signaturen 40 in Kontakt, um die Verformungen 132 zu bilden. Das zylindrische Kronensegment 186 ist in einem koaxialen Verhältnis mit dem Stützring 180 angeordnet. Das Kronensegment 186 ist in radialer Richtung nachgiebig, so daß eine Signatur 40 auf elastische Weise verformt kann, ohne daß diese Verformung in der Signatur 40 verbleibt.The crown segment 186 comes into contact with the successive signatures 40 to form the deformations 132. The cylindrical crown segment 186 is arranged in a coaxial relationship with the support ring 180. The crown segment 186 is flexible in the radial direction, so that a signature 40 can be deformed in an elastic manner without this deformation remaining in the signature 40.

Das nachgiebige Kronensegment 186 hat eine zylindrische Innenschicht 190, welche abschirmt und koaxial mit dem Stützring 180 verläuft. Die zylindrische Innenschicht 190 besteht aus Tuch oder Gewebe. Die Innenschicht 190 ist an dem Stützring 180 mittels einer zylindrisch verlaufenden Klebstoffschicht 192 befestigt.The resilient crown segment 186 has a cylindrical inner layer 190 which shields and extends coaxially with the support ring 180. The cylindrical inner layer 190 consists of cloth or fabric. The inner layer 190 is attached to the support ring 180 by means of a cylindrical adhesive layer 192.

Eine zylindrische Außenschicht 196 (Fig. 5) verläuft koaxial mit der zylindrischen Innenschicht 190 und schirmt diese ab. Die zylindrische Außenschicht 196 besteht aus Tuch oder Gewebe, welches, zumindest zu einem gewissen Grad, nachgiebig ist. Die Außenschicht 196 wird durch eine Art Haken-und-Schlaufen-Befestiger 198, welcher zwischen diesen beiden Schichten angeordnet ist, lösbar mit der Innenschicht 190 verbunden. Der Haken-und-Schlaufen-Befestiger 198 kann gelöst werden, um die Außenschicht 196 von der Innenschicht 190 zu trennen und die Außenschicht 196 zu ersetzen, wenn diese durch den Kontakt mit den Signaturen 40 abgenützt ist.A cylindrical outer layer 196 (FIG. 5) runs coaxially with the cylindrical inner layer 190 and shields it. The cylindrical outer layer 196 consists of cloth or fabric, which, at least to a certain extent, resists is big. The outer layer 196 is releasably connected to the inner layer 190 by a kind of hook-and-loop fastener 198, which is arranged between these two layers. The hook-and-loop fastener 198 can be released to separate the outer layer 196 from the inner layer 190 and to replace the outer layer 196 when it is worn by contact with the signatures 40.

Der Haken-und-Schlaufen-Befestiger 198 hat eine Vielzahl von Haken 202, welche fest mit der Innenschicht 190 verbunden und radial nach außen gerichtet sind. Der Befestiger 198 hat auch eine Vielzahl von Schlaufen 204, welche fest mit der Außenschicht 196 verbunden und radial nach innen gerichtet sind. Die Haken 202 werden lösbar mit den Schlaufen 204 verbunden, um die Innen- und Außenschicht miteinander zu verbinden. Die Haken 202 und Schlaufen 204 bestehen aus einem synthetischen Material, wodurch diese aneinander haften, wenn sie ineinandergedrückt werden. Wenn auch die Haken 202 als von der Innenschicht 190 nach außen abstehend und die Schlaufen 204 als von der Außenschicht 196 nach innen abstehend gezeigt worden sind, könnten deren Positionen auch umgekehrt werden; d.h. die Haken könnten von der Außenschicht 196 nach innen abstehen und die Schlaufen könnten von der Innenschicht 190 nach außen abstehen, falls gewünscht. Diese Art von Haken-und-Schlaufen-Befestiger 198 ist eine wohlbekannte Ausführung und kommerziell erhältlich unter dem Warenzeichen "VELCRO". Der Haken-und-Schlaufen-Befestiger 198 kann, zumindest zu einem gewissen Grad, zusammengepreßt werden, so daß die Außenschicht 196 nachgibt oder unter dem Einfluß von Kräften, welche während der Bildung der Verformung 132 auf die Außenschicht 196 übertragen werden, sich auf die Innenschicht 190 zubewegt.The hook-and-loop fastener 198 has a plurality of hooks 202 which are fixedly connected to the inner layer 190 and directed radially outwards. The fastener 198 also has a plurality of loops 204 which are fixedly connected to the outer layer 196 and directed radially inwards. The hooks 202 are releasably connected to the loops 204 to connect the inner and outer layers. The hooks 202 and loops 204 are made of a synthetic material, which causes them to adhere to each other when pressed together. Although the hooks 202 have been shown projecting outward from the inner layer 190 and the loops 204 have been shown as projecting inward from the outer layer 196, their positions could also be reversed; i.e. the hooks could protrude inward from the outer layer 196 and the loops could protrude outward from the inner layer 190 if desired. This type of hook and loop fastener 198 is a well known design and commercially available under the trademark "VELCRO". The hook-and-loop fastener 198 can be compressed, at least to some extent, so that the outer layer 196 yields or under the influence of forces transmitted to the outer layer 196 during the formation of the deformation 132 Inner layer 190 moved.

Das Kronensegment 186 hat eine zylindrische Außenseite 208, welche mit der Signatur 40 in Kontakt kommt (Fig. 5). Diese Außenseite 208 ist flexibel, um zu verhindern, daß die in der Signatur 40 gebildete Verformung 132 eine dauerhafte ist. In der dargestellten Ausführungform der Erfindung wird die zylindrische Außenseite 208 von elastisch abbiegbaren Schlaufen 210 gebildet, welche von der Außenschicht 196 radial nach außen abstehen. Die Schlaufen 210 sind von derselben Beschaffenheit wie die Schlaufen 204 des Befestigers 198.The crown segment 186 has a cylindrical outer surface 208 which comes into contact with the signature 40 (FIG. 5). This outside 208 is flexible to prevent the deformation 132 formed in the signature 40 from being permanent. In the illustrated embodiment of the invention, the cylindrical outer side 208 is formed by elastically bendable loops 210 which protrude radially outward from the outer layer 196. The loops 210 are of the same nature as the loops 204 of the fastener 198.

Die zylindrische Außenseite 208 des Kronensegments 186 hinterläßt eine minimale Markierung in der Signatur 40. Es können jedoch andere Typen Kronensegmente verwendet werden, falls erwünscht, obwohl die hierin beschriebene Beschaffenheit der elastischen Außenseite 208 vorgezogen wird. Zum Beispiel könnte das Formprägesegment 174 ein verchromtes Rad, eine runde Bürste, ein rundes Kunststoffrad, etc. sein, falls erwünscht.The cylindrical outside 208 of the crown segment 186 leaves a minimal mark in the signature 40. However, other types of crown segments can be used if desired, although the nature of the elastic outside 208 described herein is preferred. For example, the embossing segment 174 could be a chrome wheel, a round brush, a round plastic wheel, etc., if desired.

Die Außenseite 208 des Kronensegments 186 (Fig. 5) bewegt sich mit höherer Oberflächengeschwindigkeit als die Signatur 40. Deshalb gibt es bei der Bildung der Verformung 132 Schlupf oder verschobenen Kontakt zwischen der Außenseite 208 des Kronensegments 186 und dem Hauptteil einer Seitenfläche 54 einer Signatur 40 (Figuren 3 und 4). Dieser Schlupf bewirkt eine Art nachgebenden, streichenden Kontakt zwischen dem Kronensegment 186 (Fig. 5) auf dem Formprägesegment 174 und einer Signatur 40, um diese elastisch abzubiegen ohne sie bleibend zu verformen. Falls erwünscht, könnte die Außenseite 208 des Kronensegments 186 sich mit derselben Geschwindigkeit bewegen als die Signatur 40.The outside 208 of the crown segment 186 (FIG. 5) moves at a higher surface speed than the signature 40. Therefore, when the deformation 132 is formed, there is slippage or shifted contact between the outside 208 of the crown segment 186 and the main part of a side surface 54 of a signature 40 (Figures 3 and 4). This slip causes a kind of yielding, brushing contact between the crown segment 186 (FIG. 5) on the embossing segment 174 and a signature 40 in order to bend it elastically without permanently deforming it. If desired, the outer surface 208 of the crown segment 186 could move at the same speed as the signature 40.

Die Beschaffenheit des Kronensegments 186 des Formprägesegments 174 erlaubt es, daß die Außenschicht 196 leicht von der Innenschicht 190 getrennt werden kann, wenn die Außenschicht 196 abgenutzt ist. Der Haken-und-Schlaufen-Befestiger 198 kann also leicht gelöst werden, um die abgenutzte Außenschicht 196 von der Innenschicht 190 zu entfernen. Eine neue Außenschicht kann dann durch den genannten Befestiger 198 mit Leichtigkeit wieder mit der Innenschicht 190 verbunden werden.The nature of the crown segment 186 of the die embossing segment 174 allows the outer layer 196 to be easily separated from the inner layer 190 when the outer layer 196 is worn. The hook-and-loop fastener 198 can thus easily be released to remove the worn outer layer 196 from the inner layer 190. A new outer layer can then be easily reconnected to the inner layer 190 by the fastener 198 mentioned.

Das Kronensegment 186 könnte auch anders ausgebildet sein, falls gewünscht. Es werden auch andere bekannte Ausführungen einer Verformeinrichtung erwogen. Zum Beispiel könnte die Verformeinrichtung ein fest angebrachtes Teil zum elastischen Verformen der Signaturen haben.Crown segment 186 could also be different, if desired. Other known designs of a deforming device are also contemplated. For example, the deforming device could have a fixed part for elastically deforming the signatures.

Verformeinrichtung - zweites AusführungsbeispielDeforming device - second embodiment

Bei der Ausführung der in Fig. 3 gezeigten Verformeinrichtung 126 bildet ein einziges Formprägesegment 174 eine einzige Wellverformung 132 in einer Signatur 40. Jedoch könnte es wünschenswert sein, eine Mehrzahl von Verformungen in jeder Signatur 40 zu bilden, um diese weiter zu versteifen. In dem in Fig. 6 gezeigten Ausführungsbeispiel der Erfindung sind eine Mehrzahl von Formprägesegmenten vorgesehen zum Bilden einer Mehrzahl von Verformungen in jeder Signatur 40. Da diese in Fig. 6 gezeigte Ausführungsform der in den Figuren 1 bis 5 gezeigten im wesentlichen gleicht, werden gleiche Bezugsziffern zur Bestimmung gleicher Teile verwendet, wobei der zusätzliche Buchstabe "a" sich auf die Teile in Fig. 6 bezieht, um Verwirrung zu vermeiden.3, a single embossing segment 174 forms a single corrugation 132 in a signature 40. However, it may be desirable to form a plurality of deformations in each signature 40 to further stiffen it. In the embodiment of the invention shown in FIG. 6, a plurality of embossed segments are provided for forming a plurality of deformations in each signature 40. Since this embodiment shown in FIG. 6 is essentially the same as that shown in FIGS. 1 to 5, the same reference numbers will be used used to identify like parts, with the additional letter "a" referring to the parts in Figure 6 to avoid confusion.

Eine Verformeinrichtung 126a umfaßt eine Verformwalze 142a mit einer Mehrzahl von Formprägesegmenten 174a. Die zylindrischen Formprägesegmente 174a springen radial von zylindrischen Bandstützsegmenten 144a weiter nach außen hervor als die Dicke eines radialen zylindrischen Bandstützsegments 144a und die Dicke eines Bandes 82a zusammen. Somit springen die Formprägsegmente 174a zwischen den sich im Abstand voneinander befindlichen Bändern 82a hervor und bilden eine Vielzahl von Verformungen in einer Signatur, welche im Abstand voneinander zwischen deren vorderem und hinterem Endteil verlaufen. Obwohl drei Formprägesegmente 174a in Fig. 6 gezeigt sind, kann eine größere oder kleinere Anzahl von Formprägesegmenten verwendet werden, falls gewünscht.A shaping device 126a comprises a shaping roller 142a with a plurality of shaping segments 174a. Cylindrical embossing segments 174a project radially outward from cylindrical band support segments 144a further than the thickness of a radial cylindrical one Band support segment 144a and the thickness of a band 82a together. Thus, the shaped embossing segments 174a protrude between the bands 82a which are spaced apart from one another and form a multiplicity of deformations in a signature which run at a distance from one another between their front and rear end parts. Although three stamping segments 174a are shown in FIG. 6, a greater or lesser number of stamping segments can be used if desired.

Jedes der Formprägesegmente 174a hat die gleiche Beschaffenheit wie das Formprägesegment 174. Somit hat jedes Formprägesegment 174a einen polymerischen Stützring, welcher an einer metallenen Trägerwalze 142a befestigt ist. Eine der Krone 186 in Fig. 5 gleichende elastische Krone ist mit jedem der Stützringe verbunden. Jede der Kronen hat eine Innen- und Außenschicht, durch Haken-und-Schlaufen-Befestiger lösbar miteinander verbunden. Die Kronen haben eine von Schlaufen - ähnlich den Schlaufen in Fig. 5 - gebildete Außenseite.Each of the stamping segments 174a has the same nature as the stamping segment 174. Thus, each stamping segment 174a has a polymeric support ring, which is fastened to a metal carrier roller 142a. An elastic crown similar to crown 186 in FIG. 5 is connected to each of the support rings. Each of the crowns has an inner and outer layer, releasably connected to one another by hook-and-loop fasteners. The crowns have an outside formed by loops - similar to the loops in FIG. 5.

SchlußfolgerungConclusion

Die vorliegende Erfindung sieht eine neue, verbesserte Signaturtransportvorrichtung 14 vor, in welcher ein erstes Transportmittel 64 eine Auslagestation 88 einschließt, an welcher Signaturen 40 auf ein zweites Transportmittel 74 übertragen werden. Um die Geschwindigkeit, mit welcher die Signaturen 40 sich zwischen den Transportmitteln 64 und 74 bewegen können, zu erhöhen, werden eine oder mehrere Verformungen 132 in den Signaturen 40 gebildet, um diese zu versteifen.The present invention provides a new, improved signature transport device 14, in which a first transport means 64 includes a delivery station 88, at which signatures 40 are transferred to a second transport means 74. In order to increase the speed at which the signatures 40 can move between the transport means 64 and 74, one or more deformations 132 are formed in the signatures 40 in order to stiffen them.

Da es erwünscht ist, die Signaturen 40 nach der Übertragung von dem ersten Transportmittel 64 auf das zweite Transportmittel 74 wieder frei von Verformungen 132 zu haben, verformt die Verformeinrichtung 126 die Signaturen 40 auf elastische Art und bildet vorübergehende Verformungen, welche schwinden, nachdem die Signaturen sich aus der Verformeinrichtung herausbewegt haben. Damit die Verformungen 132 in den Signaturen 40 während deren Bewegung bei hoher Geschwindigkeit zwischen den Transportmitteln 64 und 74 aufrechterhalten werden können, ist die Verformeinrichtung 126 in einem Abstand von dem zweiten Transportmittel 74 angeordnet, welcher geringer ist als der Abstand zwischen dem vorderen und und hinteren Endteil 46 und 48 einer Signatur 40. Somit ist während der Bewegung eines vorderen Signaturteils durch den Raum zwischen den beiden Transportmitteln 64 und 74 und während des anfänglichen Kontakts der Signatur 40 mit dem zweiten Transportmittel 74 ein hinterer Signaturteil im Griff der Verformeinrichtung 126.Since it is desired to have the signatures 40 free from deformations 132 again after the transfer from the first transport means 64 to the second transport means 74, the deforming device 126 deforms the signatures 40 in an elastic manner and forms temporary deformations which disappear after the signatures have moved out of the deforming device. In order that the deformations 132 in the signatures 40 can be maintained during their movement at high speed between the transport means 64 and 74, the deformation device 126 is arranged at a distance from the second transport means 74 which is less than the distance between the front and rear End part 46 and 48 of a signature 40. Thus, during the movement of a front signature part through the space between the two transport means 64 and 74 and during the initial contact of the signature 40 with the second transport means 74, a rear signature part is in the handle of the deforming device 126.

Die vorangehende Beschreibung der bevorzugten Ausführungen der Erfindung hat sich auf einen bekannten Typ von Verformeinrichtung 126 bezogen, in welcher zum Bilden einer oder mehrerer Verformungen in einer Signatur eine drehbare Verformwalze 140 oder 140a angewandt wurde. Jedoch könnten andere Typen Verformeinrichtungen, welche eine Signatur nicht bleibend verformen, angewandt werden, falls erwünscht. Deshalb wird in Betracht gezogen, daß die Verformungen mit einer oder mehreren fest angebrachten Führungen, welche gegen die Signatur drücken, gebildet werden könnten. Ein anderer Weg zum Bilden von Verformungen wäre die Verwendung von Luftgebläsen. Falls erwünscht, könnten gegeneinander abgesetzte Bänder auf den sich gegenüberliegenden Seiten der Signaturen benutzt werden, um die Verformungen zu bilden. Deshalb sind die aus der vorliegenden Erfindung geltend gemachten Ansprüche nicht als sich auf einen bestimmten Typ Verformeinrichtung beschränkend zu verstehen, außer wo durch den spezifischen Wortlaut eines Anspruchs erforderlich.The foregoing description of the preferred embodiments of the invention has referred to a known type of deforming device 126 in which a rotatable deforming roll 140 or 140a has been used to form one or more deformations in a signature. However, other types of deformers that do not permanently deform a signature could be used if desired. It is therefore contemplated that the deformations could be formed with one or more fixed guides that press against the signature. Another way to form deformations would be to use air blowers. If desired, opposed bands could be used on the opposite sides of the signatures to form the deformations. Therefore, the claims made by the present invention are not to be construed as being limited to any particular type of deforming device, except where required by the specific wording of a claim.

Claims (12)

1. Folding mechanism for a web-fed rotary printing machine, which has a first conveyor means (64) for sequentially conveying signatures (40) which cooperates with a second conveyor means (74) for conveying the signatures (40) received from the said first conveyor means (64), the first conveyor means (64) having a discharge portion (88) through which the signatures (40) move one after the other from the said first conveyor means (64) to the said second conveyor means (74), characterised by the following features: provided at the discharge portion (88) of the first conveyor means (64) is a deformation device (126) for the formation of deformations (132) extending between the leading and the trailing end portion (46, 48) of a signature, the said deformation device (126) being situated at a distance from the said second conveyor means (74) which is less than the distance between the leading and the trailing end portion (46, 48) of a signature (40) to enable the respective leading end portion (46) of a signature to move into a pocket (92) of the second conveyor means (74) while the trailing end portion (48) is still in contact with the deformation device (126), and the deformation device (126) includes a means (174) for the elastic deformation of each signature (40) and the deformation is retained for as long as the signature (40) is in contact with the deformation device (126) and the deformation disappears from the receptive signature (40) after the said signature has moved out of the deformation device (126).
2. Apparatus according to Claim 1, characterised in that the deformation device includes a roll (140) which has an area with a first diameter (146) and an area with a second diameter (144) which is larger than the first diameter, and the second area (144) of the roll (140) furthermore has a shape-embossing means (174) for the elastic deformation of each signature (40).
3. Apparatus according to Claim 1, characterised in that the first conveyor means (64) includes a multiplicity of belts (82, 84), which are in contact with the respective opposite sides (54, 52) of a signature (40), and a means for moving the said belts in order to move a signature (40) situated between these belts, the deformation device (126) including a shape-embossing means (174) for the deformation of each signature (40) while the latter is situated between the said belts (82, 84) and is being conveyed by the said belts.
4. Apparatus according to Claim 3, characterised in that the deformation device (126) has a shape-embossing means (174) for exerting forces on one side surface of each signature (40).
5. Apparatus according to Claim 3, characterised in that the multiplicity of belts includes first and second belts (82, 84), spaced apart, each of which has a side surface for contact with the same side surface of a signature (40) and the means (126) for the deformation of each signature (40) includes a shape-embossing means (174) for contact with one side surface of each signature (40) in positions between which the said first and second belts (82, 84) are in contact with the side surface of the respective signature (40).
6. Apparatus according to Claim 5, characterised in that the side surfaces of the said first and second belts (82, 84) and the side surfaces (54, 52) of the signatures (40) which come into contact one after the other with the said first and second belts (82, 84) move at the same speed while being conveyed sequentially through the deformation device (126), in that furthermore the deformation device (126) includes a means for moving the shape-embossing means (174) at a speed which is greater than the speed of movement of the side surfaces of the signatures (40) through the deformation device (126), slip arising between the shape-embossing means (174) and the side surfaces of the signatures when these come into contact one after the other with the shape-embossing means (174).
7. Apparatus according to Claim 1, characterised in that the deformation device (126) includes a base, a layer (196) of material, the outer side of which comes into contact with the respective signatures (40), and a hook and loop fastening means (198) for releasably connecting the said layer (196) of material to the said base, the said hook and loop fastening means (198) including a multiplicity of loops (204) and a multiplicity of hooks (202) which can be connected to the said loops (204), the said loops and hooks serving for the releasable connection of the layer (196) of material to the base.
8. Apparatus according to Claim 7, characterised in that the said outer side of the said layer of material is formed by a further multiplicity of loops of the same nature as the multiplicity of loops (204) which can be connected to the multiplicity of hooks (202).
9. Folding mechanism of a web-fed rotary printing machine according to Claim 1, characterised in that the deformation device includes a roll which is surrounded by an inner layer of material, means for connecting the inner layer of material to the said roll, a circumferential outer layer of material extending around the said inner layer of material, a surface means (210), connected to the said outer layer of material, for sequential contact with the majority of a side surface of each signature, and a hook and loop fastening means (198) for connecting the said inner and outer layer (190, 196) of material releasably to one another, the said hook and loop fastening means (198) having a multiplicity of loops (204), which are situated between the said inner and outer layers of material and are connected to a first one of the said inner and outer layers of material, and having a multiplicity of hooks, which are situated between the said inner and outer layer of material and are connected to a second one of the said inner and outer layers of material, and the said multiplicity of hooks being connectable to the said multiplicity of loops in order to connect the said inner and outer layer of material releasably to one another.
10. Apparatus according to Claim 9, characterised in that the surface means (210) comprises a multiplicity of loops of the same nature as the multiplicity of loops of the said hook and loop fastening means (198).
11. Apparatus according to Claim 9, characterised in that a first conveyor means (64) for sequentially conveying signatures and a second conveyor means (74) for conveying the signatures received from the said first conveyor means (64) are additionally provided, the said first conveyor means (64) having a discharge section (88) through which the signatures move one after the other from the said first conveyor means (64) to the said second conveyor means (74), the said roll (140) being situated on the discharge portion (88) of the said first conveyor means (64), the said shape-embossing means (174) coming into contact sequentially with side surfaces of the signatures in order to form deformations extending between the leading and trailing end portions of the signatures, the said roll (140) being situated at a distance from the said second conveyor means (74) which is less than the distance between the leading and trailing end portions of the signatures to enable the leading end portion of each signature to move into the second conveyor means (74) while the latter is still in contact with the said shape-embossing means (174).
12. Apparatus according to Claim 9, characterised in that the roll has a metal base with a cylindrical outer surface (208) and an annular body (186) made of polymeric material which screens the cylindrical outer surface of the said base, and the said first layer of material is attached firmly to the said annular body.
EP89123657A 1988-12-23 1989-12-21 Folding mechanism for a web-fed rotary printing machine Expired - Lifetime EP0374917B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28918988A 1988-12-23 1988-12-23
US289189 1988-12-23

Publications (4)

Publication Number Publication Date
EP0374917A2 EP0374917A2 (en) 1990-06-27
EP0374917A3 EP0374917A3 (en) 1990-07-25
EP0374917B1 true EP0374917B1 (en) 1993-09-15
EP0374917B2 EP0374917B2 (en) 2001-04-11

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ID=23110425

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89123657A Expired - Lifetime EP0374917B2 (en) 1988-12-23 1989-12-21 Folding mechanism for a web-fed rotary printing machine

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EP (1) EP0374917B2 (en)
JP (1) JP2644601B2 (en)
CA (1) CA2006472C (en)
DE (2) DE58905626D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2733453B1 (en) * 1995-04-28 1997-07-25 Heidelberg Harris Sa FOLDER INCLUDING AN ADDITIONAL MODULE DELIVERING NOTEBOOKS
DE102006054419A1 (en) * 2006-11-16 2008-05-21 Man Roland Druckmaschinen Ag Folder of a printing machine
DE102008032621A1 (en) * 2008-05-27 2009-12-03 Manroland Ag Device for producing longitudinally folded products

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2905548A1 (en) * 1979-02-14 1980-09-04 Stahl Gmbh & Co Maschf Ribbing roller - has elastic rings with axial ribs prestressed into annular grooves between plain metal surfaces
US4359217A (en) * 1980-09-02 1982-11-16 Xerox Corporation Inverter with proportional force paper drive
DE3123406C2 (en) * 1981-06-12 1985-12-12 Albert-Frankenthal Ag, 6710 Frankenthal Device for product alignment
DE3124640A1 (en) * 1981-06-23 1983-01-05 Albert-Frankenthal Ag, 6710 Frankenthal FOLDING APPARATUS
JPS6053752U (en) * 1983-09-21 1985-04-16 グローリー工業株式会社 Paper sheet stacking device
JPS6137657A (en) * 1984-07-31 1986-02-22 Hitachi Seiko Ltd Paper discharge mechanism in folding machine of printer
DE3520965A1 (en) * 1985-06-12 1986-12-18 Albert-Frankenthal Ag, 6710 Frankenthal FOLDING APPARATUS
JPS6246859A (en) * 1985-08-21 1987-02-28 Nec Corp Stacker for paper sheet of the like
JPS63190247U (en) * 1987-05-27 1988-12-07

Also Published As

Publication number Publication date
DE58905626D1 (en) 1993-10-21
CA2006472C (en) 1995-01-10
JPH02231362A (en) 1990-09-13
DE3942502C2 (en) 1995-06-01
EP0374917A2 (en) 1990-06-27
DE3942502A1 (en) 1990-06-28
EP0374917A3 (en) 1990-07-25
JP2644601B2 (en) 1997-08-25
EP0374917B2 (en) 2001-04-11
CA2006472A1 (en) 1990-06-23

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