EP0415077A1 - Appareil de pliage - Google Patents

Appareil de pliage Download PDF

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Publication number
EP0415077A1
EP0415077A1 EP90114234A EP90114234A EP0415077A1 EP 0415077 A1 EP0415077 A1 EP 0415077A1 EP 90114234 A EP90114234 A EP 90114234A EP 90114234 A EP90114234 A EP 90114234A EP 0415077 A1 EP0415077 A1 EP 0415077A1
Authority
EP
European Patent Office
Prior art keywords
sheet material
fold
folding
signature
folder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90114234A
Other languages
German (de)
English (en)
Other versions
EP0415077B1 (fr
Inventor
Richard Edward Breton
David Bushnell Staley
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
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0415077A1 publication Critical patent/EP0415077A1/fr
Application granted granted Critical
Publication of EP0415077B1 publication Critical patent/EP0415077B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement
    • 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
    • B65H29/38—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
    • B65H31/00—Pile receivers
    • B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/06—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled on edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/421—Forming a pile
    • B65H2301/4214—Forming a pile of articles on edge
    • B65H2301/42142—Forming a pile of articles on edge by introducing articles from beneath

Definitions

  • the present invention relates to a new and improved apparatus which forms folds in sheet material.
  • This folder includes a sword folder. Through contact with a stopper, an arc is aligned in register with the sword folding device in relation to a movable knife. The folder is thus interrupted by the folder. Of course, an interrupted sheet run through the folder adversely affects the high operating speed of the folder.
  • the present invention provides a new and improved folder which can be operated at relatively high speed to form multiple folds in sheet material.
  • the folds are formed by a series of folder components through which the sheet material travels at a relatively high speed.
  • the folded sheet material is stacked on edge using a stacking device.
  • the folder comprises a first folder, which forms a fold in the sheet material in the direction of its career.
  • a second folding device forms a fold in the sheet material transverse to its career.
  • a third folding device forms a fold in the sheet material again in the direction of its career. While the sheet material is being folded by the folding devices, it moves through them continuously and without stopping.
  • the major portion of the opposing side surfaces of the sheet material is in an upright orientation and in this orientation the folded sheet material is stacked by a stacker.
  • Sheet material 30 (FIG. 1) is folded along a first fold line (see dashed lines along 32 in FIG. 1) and then along a second fold line (see dashed lines along 34 in FIG. 2).
  • the second fold line 34 runs perpendicular to the first fold line 32.
  • the sheet material 30 is folded along a third fold line (see dashed lines along 36 and 38 in FIG. 1).
  • the folded sheet material can be used as is or cut to form a booklet or part of a book.
  • a web 40 (or a plurality of webs) is moved in the direction of the arrow 42 (FIG. 2) along a folding former 44. As the web 40 moves past the nose of the former 44, the fold 32 is formed in the web 40.
  • the fold 32 (Fig. 3) extends in the running direction of the web 40, i.e. in the direction of arrow 42 in FIG. 2.
  • the web 40 is cut to form a segment or signature 48 (FIG. 4).
  • the signature 48 is formed from a piece of material the size of the sheet material 30 in Fig. 1.
  • a folding knife cylinder 52 and a folding jaw cylinder 80 cooperate in a second folding device to form the second folding 34, which extends through the second folding device perpendicular to the path of the signature 48.
  • the second fold 34 thus extends perpendicular to the first fold 32 (see FIG. 5).
  • the signature is folded a third time, namely two folds 36 and 38 are formed simultaneously.
  • the fold 36 is located outside the signature 48 (see FIG. 6) while the fold 38 is located directly above and within the fold 36.
  • the signature 48 moves through the third folding device in the direction of an arrow 56 (FIGS. 6 and 7).
  • the second fold 34 is located in a front edge part and the fold 32 in an upper edge part of the signature 48.
  • the edges 58 and 60 of the sheet material 30 (FIG. 1) are located next to the fold 32 (FIG. 7).
  • the opposite side surfaces of a signature 48 are in an upright orientation with their main part.
  • the folded signatures 48 are arranged in a stack 64 (FIGS. 8 and 9) in an up-edge orientation.
  • the side surfaces of the signature 48 with their main part are in an upright and side-by-side position.
  • the folds 32, 34, 36 and 38 are formed in the sheet material 30, it continuously moves through the folding devices without stopping until it is in the stack 64.
  • the sheet material travels from the continuous web to stack 64 without stopping at any point on its path.
  • the signatures 48 can be quickly formed and placed in the stack 64.
  • a folder 70 is shown, which was built according to the present invention.
  • This folder 70 has a first folder 72 in which the folder 32 is formed in the web 40.
  • a cutting cylinder 74 cooperates with a folding knife cylinder 52 to cut the folded web into a plurality of segments or signatures 48 (FIG. 4).
  • the second or folding jaw device 78 has a folding jaw cylinder with grippers or second folding cylinder 80 (FIG. 10).
  • the second folding cylinder 80 cooperates with the folding knife cylinder 52 to form the fold 34.
  • the signatures 48 can be conveyed from the second folding device 78 either onto a shingled stream delivery belt 84 or into a third folding device 86, depending on the position of a deflection switch 88. In one position of the deflection switch 88, the signatures 48, in which only the folds 32 and 34 have been formed, passed into a delivery wheel 92. The double-folded signatures 48 are stored in a shingled stream on a transport belt 94 by the delivery wheel 92.
  • the deflection switch 88 (FIG. 10) is set such that the signatures are fed into the third folding device 86 (FIGS. 10 and 11).
  • the third folding device 86 deflects the signature material 48 upwards from a horizontal plane, where the folds 36 and 38 (FIG. 6) are formed simultaneously.
  • the signatures 48 move from the third folding device 86 into a delivery or creasing roller device 100, which creases the signatures for the further formation of the folds 32, 34, 36 and 38 therein.
  • the folded signatures 48 are output by the creasing roller device 100 to a stacking device 102, in which they are stacked in an up-edge orientation (FIGS. 8 and 9).
  • the first folding device 72 forms the fold 32 in the web 40.
  • the folded web 40 passes through the nip between a pair of pinch rolls or press rolls 108 and 110 which press fold 32.
  • the folded web 40 runs into the nip between a pair of transverse perforating rollers 112 and 114.
  • the rollers 112 and 114 form perforations in the web at certain intervals, which are transverse to the web and perpendicular to the fold 32. The perforations cause air to escape from the web and relax the web to facilitate the subsequent formation of the fold 34 along the perforations.
  • the web 40 After the web 40 has left the nip between the perforating rollers 112 and 114, it runs into the nip of a pair of creasing rollers 116 and 118. Then the web moves into a nip between the cutting cylinder 74 and the folding knife cylinder 52.
  • the cutting cylinder 74 has one Pair of cutting elements that cut the web 40 twice with each revolution of the cutting cylinder 74.
  • the cutting cylinder 74 cooperates with the folding knife cylinder 52 to cut the length of the web to form the signatures 48, in the middle between the transverse perforations formed by the perforating cylinders 112 and 114.
  • a signature 48 formed by the interaction between the cutting cylinder 74 and folding knife cylinder 52 has only a single fold, i.e. the fold 32 formed in the first folding device 72.
  • the folding knife cylinder 52 has piercing ends which hold the front end portion of the web 40 before it is cut by the cylinder 74.
  • On the folding knife cylinder 52 are cutting irons which cooperate with the knives on the cutting cylinder 74 for cutting the web, while the front end part of which is held by the pins on the folding knife cylinder 52.
  • the folding knife cylinder 52 cooperates with a folding jaw cylinder 80 to form the second fold 34.
  • One fold is cut across the signature, i.e. formed perpendicular to the course of the signature around the folding knife cylinder 52.
  • the second fold 34 is formed when a fold knife on the cylinder 52 presses the sheet material into an open jaw on the jaw cylinder 80.
  • the cylinder 52 has been provided with five sets of pins, five dies, and five sets of folding knives.
  • the jaw cylinder 80 is smaller than the folder knife cylinder 52 and has only four sets of jaws. Of course, the jaw cylinder 80 could be provided with any number of jaws.
  • the folding knife cylinder 52 and the folding jaw cylinder 80 cooperate to successively form the folds 34 in the web where it has been perforated by the transverse perforating cylinders 112 and 114.
  • the manner in which the folds 34 are formed across the signature 48 by the interaction of the folding knife cylinder 52 and folding jaw cylinder 80 is well known and is not described in detail here in order to avoid lengthiness.
  • the signatures 48 are recorded continuously. Thus, a signature 48 with folds 32 and 34 formed therein is captured between the jaw cylinder 80 and a plurality of upper belts while still being controlled by the jaw cylinder 80. The front end of the signature 48 is then grasped between lower delivery belts 126 and a number of upper belts 124, while the rear end of the signature is still held between the belts 124 and the jaw cylinder 80.
  • the signatures 48 are guided by the belts 124 and 126 into a gap between the delivery belts 128 and a belt drum 130.
  • the delivery belts 126 and 128 capture the signatures 48 and transport them downward (as shown in FIG. 13) to the paddle wheel 92.
  • the delivery paddle wheel 92 rotates counterclockwise (as shown in FIG. 13) and stores the signatures in a lapped stream on the belt conveyor 94.
  • this type of function of the folder 70 is not in itself a feature of this invention.
  • a creasing roller 140 (FIG. 12) interacts with a folding jaw cylinder 80 in order to creasing the signatures in the positions, where the folds 36 and 38 are to be formed.
  • a second creasing roller 142 cooperates with the belt drum 130 (FIG. 13) in order to creasing the signatures 48 again in the positions where the folds 36 and 38 are to be formed.
  • the third folder 86 includes an array 146 of tapes ( Figures 14 and 15). This arrangement 146 of tapes extends from the jaw cylinder 80 (FIG. 13) through the relatively wide inlet part 134 to the relatively narrow outlet part 136 (FIG. 15) of the folding device 86.
  • the assembly 146 of tapers tapers from the wide inlet portion 134 to the narrow outlet portion 136 of the folder 86. It should be noted that some of the tapes in the upper and lower portions (as shown in FIG. 14) of the tape assembly 146 15 have been severed to highlight the components of the folder 86 more. However, in the third folding unit 86, the ribbons in the upper part of the ribbon assembly 146 (as shown in FIG. 14) are generally a mirror image of the ribbons in the lower part of the array.
  • Belt assembly 146 includes a number of upper belts 124 and a number of lower belts 152 ( Figures 13 and 14).
  • the upper bands 124 capture the signatures 48 on the jaw cylinder 80 (FIG. 13).
  • the upper belts 124 cooperate with the delivery belts 126 to securely grip the signatures 48 before they leave the jaw cylinder 80. While the signatures 48 move past the deflection switch 88 and these are still held between the bands 124 and 126, the bands 124 and 152 record the signatures.
  • the tapes 124 and 152 have the signatures 48 firmly under control during their movement to the inlet part 134 of the folding device 86.
  • the tapes 124 and 152 grasp the signatures as they move to the exit portion 136 of the folder 86.
  • the upper bands 124 extend from the jaw cylinder 80 (Fig. 10) to the central portion of the third folder 86 so that they can remain in contact with the signatures 48 continuously.
  • the lower belts 152 extend from a belt roll 156 (FIG. 13) into the third folding device 86 (FIG. 14), so that the devices are guided downwards to the delivery transport wheel 92 and belt transport 94 on the deflection switch 88 can.
  • the conveyor belts 126 (FIG. 13) cooperate with the upper belts 124 to alternately securely grip the front end portion of each signature 48 while the rear end portion is held firmly against the jaw cylinder 80 by the upper belts 124.
  • the upper belts 124 cooperate with the jaw cylinder 80, the conveyor belts 126 and the lower belts 152 to have a continuous firm grip on each signature from a position in the second folder 78 to the central part of the third folder 86. This ensures that the signatures 48 move in a controlled manner between the second folding device 78 and the third folding device 86.
  • the upper bands 124 (Fig. 14) cooperate with the lower bands 152 to form a flat base.
  • Bands 124 and 152 keep the portion of signatures 48 between the upper and lower bands 124 and 152 flat on a horizontal plane.
  • the flat, horizontal area of a signature that extends beyond a longitudinal centerline of the conveyor 86 decreases as it extends between the belt assembly 146 moved.
  • a pair of former hoppers 162 and 164 (FIG. 15) are arranged on the sides opposite the longitudinal centerline of the former 86.
  • the fold formers 162 and 164 deflect parts of the signatures 48 upward on the sides opposite the fold lines 36 and 38.
  • the folding formers 162 and 164 extend from the relatively wide inlet part 134 to the narrow outlet part 136 of the third folding device 86.
  • the formers 162 and 164 contact an ever increasing area of the signature. While the area of a signature 48 contacted by the fold formers 162 and 164 increases, the fold formers on the sides opposite the fold lines 36 and 38 gently deflect the signature upward.
  • the signature When a signature 48 is moved from the upper and lower belts 124 and 152 (FIG. 14) into the relatively wide entry portion 134 (FIG. 15) of the third folder 86, the signature lies flat on a horizontal plane.
  • the fold 34 forms the leading edge of the signature.
  • the fold 32 extends parallel to the longitudinal axis of the third folding device 86 and in the direction of the signature through the third folding device.
  • the opposite outer edges of the signature come into contact with the former formers 162 and 164, which upwardly turn without permanently deforming the signature.
  • the oblique course decreases the tapered array 146 of upper and lower bands 124 and 152, and the signatures come more and more into contact with the former formers 162 and 164 as the opposite sides of the signatures at the folds 36 and 38 are moved towards each other.
  • the folds 36 and 38 are finally formed when the signatures 48 have moved through the third folding device and have left the outlet part 136.
  • upper and lower creasing belts 168 and 170 ( Figures 14 and 16) come into contact with the opposite sides of the signature in the positions where the folds 36 and 38 are to be formed.
  • the creasing belts 168 and 170 extend along the central axis of the folding device 86, from its inlet part 134 to its outlet part 136.
  • the upper and lower creasing belts 168 and 170 maintain a firm grip on the folds 36 and 38 on the opposite sides of each signature 48 , before and after it moves past the end of the tapered assembly 146 of upper and lower belts 124 and 152. This results in the signatures moving in a controlled manner through the folding device 86, first under the influence of the belts 124 and 152 and then under the influence of the creased belts 168 and 170.
  • the creasing belts 168 and 170 crease the signatures to be sure that the third folds 36 and 38 are formed at the desired location in the signature.
  • the upper creasing belt 168 has a tapered nose 174 (Fig. 16) which cooperates with a groove 176 extending lengthwise in the lower creasing belt 170 to maintain a groove in the signature in a position where the folds 36 and 38 are to be formed, and around the Signature 48 to be prevented from a deviating movement with respect to the central longitudinal axis of the folding device 86.
  • the upper ribbons 124 have lower, horizontal surfaces forming strips which come into contact with the upper side surface of a signature in the third folding device 86.
  • the lower bands 152 have upper, horizontal surface band runs which come into contact with the lower side surface of a signature in the third folder 86, each against an upper band (Fig. 16).
  • the signature is firmly captured between the horizontal lower runs of the upper bands 124 and the horizontal upper runs of the lower bands 152.
  • the upper belts 124 include a pair of belts 180 and 182 which extend around an upper roller 184 (FIG. 15). Likewise, a lower pair of belts 188 (FIG. 13) arranged opposite and aligned with the upper belts 180 and 182 extend around a lower roller 190.
  • a second upper pair of belts 194 and 196 extend around an upper roller 198. Although the belts 194 and 196 extend across the roller 184 to the roller 198 (FIG. 15), an upper surface of the lower The belts of the belts 194 and 196 are contacted by the cylindrical outer surface of the roller 184 and the belts are positioned in the process.
  • a lower pair of belts 200 (FIG. 13) cooperates with the upper pair of belts 194, 196, and both pairs extend around a lower roller 202 (FIGS. 13 and 15).
  • a third upper pair of belts 206 and 208 extends around a roller 210 and has a horizontal run which interacts with the run of a lower pair of belts 212 extending around a lower roller 216.
  • a middle pair 220 and 222 (FIGS. 13 and 15) of upper belts extends around a roller 224 which cooperates with a pair of lower belts 226 (FIG. 13).
  • These lower belts 226 extend around a lower roller 228 (FIG. 13).
  • the horizontal lower runs of belts 220 and 222 are positioned by the cylindrical surfaces of each of rollers 210, 198 and 184 in relation to the horizontal upper runs of lower belts 226.
  • the horizontal run of the lower pair of belts 226 is positioned in relation to the upper belts 220 and 222 by the rollers 216, 202 and 190.
  • the top creasing belt 168 (FIGS. 14 and 16) extends across the top rollers 198, 210 and 224. Therefore, these rollers are each provided with a central ring groove to receive the upper creasing belt 168, as shown in FIG. 17 for the roller 224.
  • the lower creasing belt 170 extends across the rollers 202, 216 and 228 (FIG. 13). Therefore, each of these rollers is also provided with a central annular groove 236 to receive the lower creasing belt 170, as shown in FIG. 17.
  • the two funnels 162 and 164 come into contact with the areas of the signature located on both sides of the longitudinal axis of the folding device 86.
  • the contact of the funnels 162 and 164 with the material of the signatures increases as the contact of the tapered array 146 of tapes with the signatures decreases.
  • the funnel 162 has an inner funnel wall 240 and an outer funnel wall 242. Between the inner and the outer funnel wall 240 and 242 there is a space 244 extending in length (FIG. 16). During the operation of the folding device 86, part of the signatures 48 moves through this space 244.
  • Inner funnel wall 240 has a vertical side portion 246 (FIG. 16) and a precisely curved lower portion 248.
  • outer funnel wall 242 has a vertical side portion 252 and a precisely curved lower portion 254.
  • Vertical side portion 252 of outer funnel wall 242 extends parallel to the side portion 246 of the inner funnel wall 240.
  • the curved lower portions 248 and 254 of the funnel walls 240 and 242 have different curvature diameters.
  • the space 244 for receiving the signatures tapers from a relatively wide entrance between the lower side sections 248 and 254 into the relatively narrow space between the vertical side sections 246 and 252.
  • the funnel 164 has a configuration that is a mirror image of the funnel 162.
  • the funnel 164 has inner and outer side walls 258 and 260, and a space 262 therebetween for receiving a portion of a signature.
  • the configuration of the outer sidewall 242 of the funnel 162 changes in the same manner as the configuration of the inner sidewall 240 (FIGS. 16, 17 and 18).
  • the inner sidewall 240 is vertical and extends parallel to the outer sidewall 242.
  • the smooth transition of the lower portions 248 and 254 of the inner and outer sidewalls 240 and 254 into a vertical orientation causes one part a signature in the funnel 162 is gently rolled into a vertical orientation. Once this is done, the inner sidewall 240 ends.
  • the lower portions of the sidewalls 258 and 260 of the former 164 merge with the upper portions in the same manner as the lower portions of the side walls 240 and 242 of the former 162. Thus, part of a signature in the former 164 is also gently rolled into a vertical orientation . Once this is done, the inner sidewall 258 ends.
  • the continuous top creasing belt 168 extends forward over a rear pulley or chain idler 268 ( Figures 14, 15 and 16) over a lower front pulley or chain idler 270 ( Figures 14 and 18).
  • the upper creasing belt 168 then runs around an upper chain idler 272 back to the rear chain idler 268. It should be noted that, although the chain idlers 268 and 272 have been shown in FIG. 15, the top crease belt 168 has not been shown in favor of a detailed illustration of the components of the folder 86.
  • the upper chain idler 272 is driven by a motor 274 (FIGS. 15 and 18) to actuate the upper crease belt 168.
  • the inner hopper side walls 240 and 258 (FIG. 18) abut supports 278 and 280, on which the lower, front grooved belt roller 270 is supported. This causes the portions of a signature 48 located on both sides of the fold 36 in the portions of the hoppers 162 and 164 adjacent to the forward creasing roller 270 to move as close as possible to one another.
  • the continuous lower creasing belt 170 is supported and driven in the same manner as the upper creasing belt 168.
  • the lower creasing belt 170 runs forward about a rear pulley or chain idler 283 (FIG. 14) around an upper front chain idler 284, then around a lower chain idler 285 and back to the rear chain idler 283.
  • This is driven by a motor (not shown) in the same manner as the chain idler 272 by the motor 274.
  • the inner wall 258 of the funnel 164 ends just behind the foremost part of the roller 270 and the creasing belt 168.
  • the inner wall 240 of the opposite funnel 162 also ends next to the forward parts of the creasing belt rollers 270 and 272 (Fig. 20). While the inner hopper walls 240 and 258 terminate opposite the creasing belt rollers 270 and 272, the outer hopper walls 242 and 260 continue to extend forward past the rollers 270 and 272 (Fig. 20) to form an outlet opening 284 through which the folded ones Signatures 48 are expelled from the third folding unit 86.
  • a scraper or scraper device 288 (FIG. 19) is provided Immediately in front of the lower grooved belt roller 270.
  • This stripping device 288 has a center plate 292 (FIG. 20) attached to the longitudinal axis of the folding device 86 with a relatively long, vertically extending part 294 (FIG. 19) and a relatively short rear, horizontally extending part 296.
  • a pair of lower wipers 298, only one of which is shown in Figure 19, are attached to the sides opposite the center plate 292 and overlap the opposite sides of the creasing belt 168.
  • the wipers 298 cooperate with the creasing belt and engage the interior of each Signature to detach it from the creased belt.
  • a second pair of wipers or mounting plates 302 and 304 (Figs. 19 and 20) are mounted between the center plate 292 and the inner hopper walls 240 and 258 to cover the space between the outer ends of the inner hopper walls 240 and 258 and the vertically extending barrel of the Block creasing belt 168 (Fig. 19). It is contemplated that stripper 288 will contact the inner side surfaces of the signatures, thereby forming folds 36 and 38. In addition, the stripping device 288 detaches the signatures from the creasing belt 168.
  • the folding device can be pivoted upwards by a pivot connection 308 (FIG. 14) and from a normal operating position (see the solid lines in FIG. 14) to a raised position (see the dashed lines in Fig. 14) are moved.
  • a pivot connection 308 FIG. 14
  • a piston and cylinder motor 312 is provided for moving the folder between the lowered position (see solid lines in Fig. 14) and a raised position (see dashed lines in Fig. 14).
  • This device 310 comprises a plurality of pairs of creasing rollers which come into contact with opposite sides of a folded signature 48, press against the folds and form these definitely in the signature.
  • a first pair of creasing rollers 312 and 314 extend through recesses in the outer former walls 242 and 260. These creasing rollers 312 and 314 have a relatively short axial range, approximately 2.5 cm, and only arrive with the signature 48 a location next to the folds 36 and 38 (Fig. 6) in contact. This is because the fold 36 is still formed in the rear part of the signature 48 while its front end or its fold edge 34 moves into the gap between the creasing rollers mentioned. Therefore, the fold 34 does not extend exactly vertically upwards from the fold 36 at the front end of the signature. Here, the fold 34 is slightly beveled to the rear, so that the upper end of the fold 34 remains a little behind its lower end.
  • a second pair of creasing rollers 316 and 318 also have a relatively short axial range and come into contact with the front part of the signatures at locations next to the fold 36.
  • the folds 36 and 38 are formed more completely.
  • Creasing rollers 320 and 322 have an axial reach at least as long as the length of the signature leading edge or fold 34.
  • creasing rollers 320 and 322 are able to press against folds 34 and signatures 48 as they move through the nip to groove one after the other. Now the fold 34 will be almost exactly vertical since most of the folds 36 and 38 will be formed.
  • a fourth and last pair of creasing rollers 324 and 326 also have an axial length corresponding to the length of the folded leading edge 34 of a signature.
  • the creasing rollers 312, 316, 320 and 324 can either be moved towards or away from the creasing rollers 314, 318, 322 and 326 to adapt to different signature thicknesses and / or paper thicknesses.
  • the creasing rollers of each pair are connected to each other so that both move together towards or away from the center line along which the signatures move while maintaining symmetry. Thus, when the creasing roller 312 moves away from the center line, then the creasing roller 314 also moves away from the center line. Likewise, the creasing roller 312 moves toward the center line as the creasing roller 314 moves toward it.
  • the stacking device 102 stacks the signatures 48 in an up-to-edge orientation.
  • the signatures 48 leave the third folding device 86 in an upright orientation and with downward folds 36 and 38.
  • the stacking device 102 stacks the signatures in a side-by-side relationship, with the main part of the signature side surfaces in an upright and folds 36 and 38 in a downward orientation.
  • the stacking device 102 can stack the signatures 48 with the fold 36 in a plurality of orientations transverse to the longitudinal center axis of the third folding device 86.
  • the folded signatures 48 can be stacked in any orientation within the selected orientation range, the main parts of the side surfaces of the folded signatures are always upright and in abutting contact with one another. In addition, the signatures always rest on the outer fold 36.
  • the stacking device 102 comprises a paddle wheel device 332 (FIGS. 21 and 22).
  • the paddle wheel device 332 receives the signatures 48 ejected from the folding device 86 and conveys them, with the main part of the signature side faces in an upright orientation, to a signature stack which is located on a storage belt 334.
  • the paddle wheel device 332 presses the side surfaces of each signature successively against a signature stack located on the storage belt 334, the signatures 48 being in an up-edge position in a stack 64 (FIG. 8). Since the signatures 48 come from the folding device 86 in an up-edge orientation and are placed in a stack in this position, the stacking device 102 can stack the signatures quickly. If the orientation of the signatures were changed, e.g. if the signatures were deposited to form a shingled signature stream, the speed at which the stacker 102 would stack the signatures would be compromised.
  • the paddle wheel device 332 comprises a plurality of slotted disks 338 (FIG. 21) which are driven by a drive shaft 342 are rotated about a vertical axis 340.
  • the disks 338 are fixedly connected to the drive shaft 342, but separated from one another at a sufficiently large axial distance so that wiping fingers 346 can enter the spaces between the disks 338.
  • the wiping fingers 346 are attached to a vertically extending support arm 350.
  • This vertical support arm 350 is connected to a horizontal bearing arm 352 (FIG. 22), which is rotatable about the central axis 340 of the drive shaft 342 in order to regulate the position of the wiper fingers 346 in relation to the paddle wheel disks 338.
  • Each paddle wheel disc 338 is provided with a plurality of involute slots 356 (FIG. 24) which extend axially through the disc. These slots 356, which are arranged vertically next to one another in the disks 338, form signature receiving pockets.
  • a signature leaves the creasing roller device 310 (FIG. 22), it moves with a fold 34 (FIG. 6) as a front end part into one of these pockets.
  • the fold 36 on the lower signature part rests on a solid, round support plate 360 (FIG. 21) which is connected to the drive shaft 342 and rotates with the disks 338.
  • the fold 34 comes along at the front end of a signature 48 the wiper fingers 346, which are located between the impeller disks.
  • the wiper fingers 346 By contacting the front end 34 of the signature with the wiping fingers 346 while the paddle wheel assembly continues to rotate counterclockwise (as shown in Figure 24), the signature is gradually pushed out of the pocket. The rear end of the signature then comes into contact with a brush roller 364 (FIG. 22) and is deflected toward the periphery of the paddle wheel disc 338.
  • a spring loaded back support 372 (Fig. 22) is attached close to the peripheral surface of the paddle wheel means 332 to guide the movement of the signatures into the paddle wheel means and to support the rear end portion of the signatures next to the paddle wheel means as they come into contact with the brush roller 364 .
  • a congestion detector switch 376 is connected to the back support 372, which outputs a signal if signatures should back up against the back support 372.
  • the delivery belt or table 334 is shown extending parallel to the central longitudinal axis of the third folder 86, the delivery belt could be moved relative to the paddle wheel device 332 to allow the signatures to stack so that the central longitudinal axis of the signature stack is inclined relative to the central longitudinal axis of the third folding device 86.
  • the deposit belt 334 could be counter-clockwise displaced from the position shown in FIG. 22 so that the signatures stack up and right in FIG. 22.
  • a number of lines 382 are connected to the outer wall 242a of a funnel 162a.
  • a number of conduits 384 are connected to the inner wall 240a of the funnel 162a. Compressed air is conducted through these lines 382 and 384 into the space between the inner and outer walls 240a and 242a of the funnel 162a. This airflow cushions the signatures and reduces frictional or drag forces between the signature and the inner side surfaces of the hopper walls 240a and 242a.
  • a number of lines 386 are connected to the outer hopper wall 260a.
  • a number of lines 388 are connected to the inner hopper wall 258a.
  • the through lines 386 and 388 into space 262a between Air carried in the funnel walls 258a and 260a cushions a signature and reduces frictional forces between the signature and the inner side surfaces of the funnel walls.
  • the present invention provides a new and improved folder 70 which can be operated at a relatively high speed to form a number of folds 32, 34, 36 and 38 in sheet material.
  • the folds are formed by a series of folding devices 72, 78 and 86, through which the sheet material moves continuously at a relatively high speed.
  • the folded sheet material is stacked "on edge" by a stacking device 102.
  • the folder comprises a first folder 72 which forms a fold 32 in the sheet material along its path.
  • a second folding device forms a fold 34 in the sheet material transverse to its career.
  • a third folding device 86 forms folds 36 and 38 in the sheet material along its path. During folding, the sheet material moves continuously and without stopping through the three folding devices 72, 78 and 86.
  • a stacking device 102 stacks the folded sheet material 48, the main part of the side surfaces being in the same upright orientation in which it left the third folding device (FIG. 8).
  • the funnels 162 and 164 deflect the signature 48 upward to form the folds 36 and 38 at the lower end of the signature.
  • the funnels 162 and 164 have the Signature 48 could deflect down instead of up. This would result in folds 36 and 38 being at the top rather than the bottom of the signature. It is preferred to have the folds 36 and 38 at the lower end of the signature so that the stacker 102 stacks the signatures on the fold 36 rather than on their cut edges 58 and 60 (Figs. 8 and 9). If desired, the signatures 48 could also be stacked with the fold 36 facing up.
  • the first folding device 72 is a known type which uses a funnel plate 44 to form a fold in the web 40.
  • the second folding device 78 is a known type which forms a fold due to the interaction between a folding knife cylinder 52 and a folding jaw cylinder 80. It is contemplated that, under certain conditions, it may be desirable to replace the illustrated folders 72 and 78 with other types of folders. If this were the case, it is recommended that these folders be constructed so that the sheet material moves through the folders without stopping so as to maximize production.
  • the stacking device 102 stacks the signatures 48 “on edge”, with the main part standing up from their side faces. It is believed that when the signatures are stacked in this orientation, the stacker 102 can stack in accordance with the high operating speed of the folder 72, 78 and 86. However, other types of stackers can be used if desired.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Pile Receivers (AREA)
EP90114234A 1989-08-31 1990-07-25 Appareil de pliage Expired - Lifetime EP0415077B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/401,638 US5030193A (en) 1989-08-31 1989-08-31 Folder apparatus for folding continuously moving sheets
US401638 1989-08-31

Publications (2)

Publication Number Publication Date
EP0415077A1 true EP0415077A1 (fr) 1991-03-06
EP0415077B1 EP0415077B1 (fr) 1997-01-08

Family

ID=23588593

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90114234A Expired - Lifetime EP0415077B1 (fr) 1989-08-31 1990-07-25 Appareil de pliage

Country Status (7)

Country Link
US (1) US5030193A (fr)
EP (1) EP0415077B1 (fr)
JP (1) JP2695977B2 (fr)
CN (1) CN1021217C (fr)
AU (1) AU635763B2 (fr)
CA (1) CA2024377C (fr)
DE (1) DE59010627D1 (fr)

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WO1999047446A1 (fr) * 1998-03-13 1999-09-23 Koenig & Bauer Aktiengesellschaft Cone plieur
WO2000056651A1 (fr) * 1999-03-19 2000-09-28 Koenig & Bauer Aktiengesellschaft Dispositif de pliage longitudinal
EP1334940A1 (fr) * 1999-03-19 2003-08-13 Koenig & Bauer Aktiengesellschaft Dispositif de pliage longitudinal
EP2281766A1 (fr) 2009-08-03 2011-02-09 Ferag AG Dispositif et procédé destinés au pliage de produits en papier
DE102015101813A1 (de) * 2015-02-09 2016-08-11 Manroland Web Systems Gmbh Längsfalzvorrichtung

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HU221789B1 (hu) * 1996-09-05 2003-01-28 Franz Huber Térkép hajtásvonalmintával
US6010122A (en) * 1997-05-16 2000-01-04 Wallace Computer Services, Inc. Method and apparatus for producing high page count signatures
JP4073556B2 (ja) * 1998-09-21 2008-04-09 株式会社小森コーポレーション 折機の平行折装置
US6371901B1 (en) * 1999-12-15 2002-04-16 Heidelberger, Druckmaschinen Ag Linear folding device and method
US6458066B1 (en) 1999-12-22 2002-10-01 Heidelberger Druckmaschinen Ag Linear folding device and method
US6402132B1 (en) 2000-08-21 2002-06-11 R. R. Donnelley & Sons Method of folding demand-printed webs into signatures for gathering in rotary gathering/binding machines and signatures produced thereby
US6644193B2 (en) * 2002-03-12 2003-11-11 Elsner Engineering Works, Inc. Web cutting tuck folding machine and method
DE60321240D1 (de) * 2002-12-11 2008-07-03 Konica Minolta Holdings Inc Vorrichtung und Methode zum Durchschlagen eines Loches in Papier
DE102004005890B4 (de) * 2004-02-05 2007-04-05 Man Roland Druckmaschinen Ag Vorrichtung mit zwei übereinander angeordneten Trichtern zum Falzen einer Bahn
EP1764232B1 (fr) * 2005-09-14 2009-09-02 Müller Martini Holding AG Méthode et dispositif pour la fabrication des journaux imprimés de façon numérique
US7896795B2 (en) * 2005-10-25 2011-03-01 Goss International Americas, Inc. Folder with signature support
US7980543B2 (en) * 2007-08-10 2011-07-19 Goss International Americas, Inc. Printing press folder with parallel process transport tapes
DE102011018859A1 (de) * 2011-04-28 2012-10-31 Heidelberger Druckmaschinen Aktiengesellschaft Falzmaschine mit Transportvorrichtung
EP2660177B1 (fr) * 2012-04-30 2016-03-23 Heidelberger Druckmaschinen AG Procédé de pliage et machine à faire des poches pliées
US9371209B2 (en) 2012-05-01 2016-06-21 C.G. Bretting Manufacturing Co., Inc. Single path single web single-fold interfolder and methods
JP5737274B2 (ja) * 2012-11-29 2015-06-17 コニカミノルタ株式会社 用紙処理装置及び画像形成システム
US20150057140A1 (en) * 2013-08-22 2015-02-26 T.S.D. Llc Folding machine as combined knife and buckle folders
CN103449212B (zh) * 2013-08-27 2016-02-17 深圳报业集团印务有限公司 高斯n75可印宽窄报改造方法及可印宽窄报双幅轮转机
CN103950754B (zh) * 2014-05-12 2016-02-10 珠海市新德汇信息技术有限公司 出入境通行证自主收证设备
US10449746B2 (en) 2016-06-27 2019-10-22 C. G. Bretting Manufacturing Co., Inc. Web processing system with multiple folding arrangements fed by a single web handling arrangement
CN109230746B (zh) * 2018-08-09 2020-06-09 广东溯彭城印刷有限公司 可双向折页的轮转折页设备

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US3977665A (en) * 1973-07-20 1976-08-31 Strachan & Henshaw Limited Continuous book-making system
DE3038558A1 (de) * 1979-12-27 1981-07-02 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Variable falzmaschine fuer drei- und vierbruchfalz
US4279409A (en) * 1980-06-18 1981-07-21 Pemberton Bernard E Process of making signatures from preprinted webs for the manufacture of magazines or the like
DE3124640A1 (de) * 1981-06-23 1983-01-05 Albert-Frankenthal Ag, 6710 Frankenthal Falzapparat
DE3527710C2 (fr) * 1985-08-02 1988-10-06 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
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GB2199568A (en) * 1986-11-26 1988-07-13 Winkler Duennebier Kg Masch Sheet folding

Cited By (13)

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Publication number Priority date Publication date Assignee Title
US6544160B1 (en) 1998-03-13 2003-04-08 Koenig & Bauer Aktiengesellschaft Former
WO1999047445A1 (fr) * 1998-03-13 1999-09-23 Koenig & Bauer Aktiengesellschaft Cone plieur
WO1999047446A1 (fr) * 1998-03-13 1999-09-23 Koenig & Bauer Aktiengesellschaft Cone plieur
US6497643B1 (en) 1998-03-13 2002-12-24 Koenig & Bauer Aktiengesellschaft Former
US6705499B1 (en) 1999-03-19 2004-03-16 Koenig & Bauer Aktiengesellschaft Rollers for guiding paper webs
EP1334940A1 (fr) * 1999-03-19 2003-08-13 Koenig & Bauer Aktiengesellschaft Dispositif de pliage longitudinal
WO2000056651A1 (fr) * 1999-03-19 2000-09-28 Koenig & Bauer Aktiengesellschaft Dispositif de pliage longitudinal
US6821240B1 (en) 1999-03-19 2004-11-23 Koenig & Bauer Aktiengesellschaft Longitudinal folding device
US6929710B1 (en) 1999-03-19 2005-08-16 Koenig & Bauer Aktiengesellschaft Method and device for winding up at least one paper web
US7066368B1 (en) 1999-03-19 2006-06-27 Koenig & Bauer Aktiengesellschaft Paper web draw-in device for a web-fed printing press
EP2281766A1 (fr) 2009-08-03 2011-02-09 Ferag AG Dispositif et procédé destinés au pliage de produits en papier
CH701620A1 (de) * 2009-08-03 2011-02-15 Ferag Ag Vorrichtung und Verfahren zum Falzen eines Papiererzeugnisses.
DE102015101813A1 (de) * 2015-02-09 2016-08-11 Manroland Web Systems Gmbh Längsfalzvorrichtung

Also Published As

Publication number Publication date
AU6106090A (en) 1991-03-07
AU635763B2 (en) 1993-04-01
DE59010627D1 (de) 1997-02-20
CN1021217C (zh) 1993-06-16
JPH03106755A (ja) 1991-05-07
CA2024377A1 (fr) 1991-03-01
JP2695977B2 (ja) 1998-01-14
CN1054947A (zh) 1991-10-02
EP0415077B1 (fr) 1997-01-08
CA2024377C (fr) 1995-01-17
US5030193A (en) 1991-07-09

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