EP1745941A2 - Machine de découpage sur trois côtés pour la découpe de brochures - Google Patents

Machine de découpage sur trois côtés pour la découpe de brochures Download PDF

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Publication number
EP1745941A2
EP1745941A2 EP06014974A EP06014974A EP1745941A2 EP 1745941 A2 EP1745941 A2 EP 1745941A2 EP 06014974 A EP06014974 A EP 06014974A EP 06014974 A EP06014974 A EP 06014974A EP 1745941 A2 EP1745941 A2 EP 1745941A2
Authority
EP
European Patent Office
Prior art keywords
block
flap
cutting
trimming
knife trimmer
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
EP06014974A
Other languages
German (de)
English (en)
Other versions
EP1745941B1 (fr
EP1745941A3 (fr
Inventor
Horst Rathert
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1745941A2 publication Critical patent/EP1745941A2/fr
Publication of EP1745941A3 publication Critical patent/EP1745941A3/fr
Application granted granted Critical
Publication of EP1745941B1 publication Critical patent/EP1745941B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • B26D1/09—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type with a plurality of cutting members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C11/00—Casing-in
    • B42C11/02—Machines or equipment for casing-in or applying covers to pamphlets, magazines, pads, or other paper-covered booklets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D11/00—Combinations of several similar cutting apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
    • B26D2007/0081—Cutting on three sides, e.g. trilateral trimming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting

Definitions

  • Brochures often have flapper flaps with folded flaps.
  • the edges of these flaps can be recessed, flush or projecting with respect to the front section of the book block. With recessed edges, the work process can be done quite normally. If the edges are flush or projecting, the normal front trimming in the three-knife trimmer in the usual production process is not possible.
  • the protruding flaps would be cut open and also the flush flaps would occasionally be cut to tolerance.
  • the block is trimmed plantrud, with the front and rear cover side are folded up and thus out of the front cutting area.
  • the front section is carried out in the special machine after the head and foot cut has already been made.
  • the envelopes are unfolded during transport in the block back direction and the block pressed without cover pages and cut at a standstill.
  • the block is also not pressed in many areas when cut. This affects the flatness of the upper and lower leaves of the block and thus leads to cut deviations such as hollow section or mushroom cut. Separate machines are required for head and foot trim and for front trim.
  • EP 1 053 890 B1 a device has become known in which the flap edges are pulled out of the line of intersection of the front knife by creating a bulge through a vacuum rail parallel to the back direction. In this case, there is the risk of buckling in the vacuum rail in envelopes with high grammage.
  • the envelopes which are slightly withdrawn from the cutting plane of the front knife, prevent the exact block from being pressed directly next to the cut. This leads to recognizable mushroom cutting.
  • the cutting bar must have an extra slight cut-out for the envelope. As a result, standard bars can not be used.
  • the block In the area of the suction rail, the block is not supported and may bulge out. This leads to furnacerin the outer block sheets: hollow section.
  • the object of the invention is to avoid the functional disadvantages of the mentioned solutions and also in brochures with embraced flaps to perform the Vorderberough and the head and efficientlyberough in a machine as in normal brochures while avoiding space-consuming points solutions and additional machinery costs.
  • a flap opening device is provided in a three-cutter as he eg loud EP 1 225 015 B1 is known.
  • the knives of the three-knife trimmer preferably work in compression against cutting strips and the block is pressed over the entire surface in the cut both in the head and foot cutting station as well as in the front cutting station in order to achieve high quality cut.
  • This three-knife trimmer can be a stand-alone machine or integrated in line in a system.
  • the head and adoptedußstation located in front of the front cutting station, so that head and foot knife at the flap edges still support by the not yet cut front section and can cut clean.
  • the flap opening device may optionally be used or not used. There is no need for retrofitting, which is of particular importance in times of decreasing requirements. You just have to drive on Forgot blocks in stacks when traversing envelopes with folded envelopes, limiting the performance of the overall system to the performance of the trimmer in this type of product, while increasing performance with staple trimming in the trimmer.
  • the transport of the blocks is preferably carried out with spine first.
  • the cut in the first station head and foot block is transported in the front cutting station with his back against a stop, first by a measure X1 beyond the end position and is then pushed back by the back stop by the amount X1 and aligned for the front section ,
  • the edges of the envelopes are singled up and down and pushed into a narrow escape channel in the cutting table or press plate.
  • the overstroke and the corresponding return stroke is selected by the back stop so that the flap edge is retracted just above the trailing edge of the cutting table support, the block with its front section but still on the support remains to allow subsequently a clean separation
  • the separation takes place, for example, with blown air on the effect of the hydrodynamic paradox (Koanda effect).
  • blown air By obliquely - preferably about 20 ° - exiting against the support surface blowing air from evenly distributed over the height of the block nozzle openings of the envelope is sucked to a curved or inclined surface without being sucked on it, so that friction-free contactless displacement of the envelope against the deflection takes place , The blown air blows only briefly during the Block Weghubes.
  • the escape channels in the table and press plate, into which the envelopes are pushed, are only narrow and thus do not affect the entire surface Supporting effect of table and press plate.
  • the relatively wide escape channels during the singling are narrowed as much as possible in order to achieve almost full-surface contact and hold during the cut.
  • the block In order for the front side of the block to be pushed back into the cutting position via the cutter bar during the return stroke, the block can be raised slightly during the return stroke.
  • the dynamic squeegee can also be replaced by a suction roll or correspondingly moving suckers.
  • the suction cups which are not in the format range, must be shut off so as not to weaken the vacuum.
  • all suckers are supplied by separately lockable lines.
  • the suction roll is subdivided over the format height into several chambers, which are also supplied separately and lockable with vacuum.
  • Another alternative is to separate the envelope from the block by mechanical means, e.g. Parting tips which grasp the edge of the envelope on the return stroke and turn into evasion channels. It is advantageous to arrange the separating tips slightly oblique or slightly arrow-shaped to the cutting line of the front blade, so that the division process begins from one side or from the center.
  • the invention offers the possibility of treating brochures with protruding or flush envelopes wrapped in the same way as normal products. Head and foot trimming and front trimming are done in one machine and in one pass.
  • Figures 1 to 4 show an example of the possible construction of a three-knife trimmer for trimming flap brochures, in which the separation of the flaps takes place after the Koanda effect.
  • the two-station three-knife trimmer consists of a head cutting station A, a foot trimming station B, which can be set to block height according to the format adjustment v, and the front trimming station C.
  • the blocks I are introduced to the import position D by hand or automatically. During normal production, stacks can be formed, while when trimming brochures with flaps taken, only individual products can be processed.
  • the introduced into the position D block or stack is initially aligned via the slider 1 against the stops 2 in the direction block width and by the movement of the stops 2 against each other in the block height direction.
  • the pincer belts 3a and 3b pivot to the block and transport it together with the main transport belts 4a, 4b in the cutting position E.
  • the block is aligned by the slider 5 against the back stops 6 and at the same time on the side stops 7.
  • the block is pressed by the pressure bars 8 via the drives 9 against the cutting tables 10.
  • the cut is carried out by the knife 11 preferably in the inclined blade section as a crush cut against cutting strips 10 a.
  • the back stops 6 are located directly next to the cut and support the block back during the cut to avoid tearing the envelope material.
  • the block After the cut, the block is transported by the main transport belts 4a and 4b.
  • the block with the trailing edge leaves the main transfer belts 4a, 4b, it is transferred to the belts 12a and 12b, which are driven together with the export belts 13a and 13b, but at the time of transfer of the block, a speed synchronous to the main transport belts 4a and 4b to have.
  • the block is now transported in the front cutting station C to the stops 14 via the hub X1 on the cutting position E out and pushed back by the stops 14 again to the hub X1 in the cutting position against the pivoted stops 17, wherein the separation and initiation of the flaps K in escape channels 16a and 16b according to a first embodiment, for example, by the Blas Kunststoffdüsenplatten 15a and 15b.
  • the lower Blas Kunststoffdüsenplatte 15 a forms with the cutting support 18 a plane.
  • the pressure bar 19 has a distance a from the block I, in order to enable a smooth shifting of the block I.
  • the upper blast air nozzle plate 15b is a little less than the dimension a lower to make contact with the envelope.
  • the suction of the K takes place exactly in the overstroke position, as shown in FIG.
  • the cover edge of the flap K is located behind the cutting support 18, while the front portion F is still on the cutting support 18.
  • the Envelope flap K is sucked by activating blown air by the effect of the hydrodynamic paradox, also known as the Koanda effect, around the curvature of the blown air nozzle plates 15a, 15b.
  • the sucked flap K is pushed into the escape channel 16a from the front Curvature of the Blas Kunststoffdüsenplatte 15 a and the arcuate recess 18 a of the cutting support 18 is formed.
  • the sucked flap K is pushed on the return stroke in the escape channel 16b. It is formed from the front curvature of the Blas Kunststoffdüsenplatte 15 b and the arcuate recess 19 a of the pressure bar 19th
  • the air blast is turned off and the Blas Kunststoffdüsenplatten 15a and 15b make the stroke X2, for example by means of pneumatic cylinders 20 and 21, so that in order to achieve optimum block support the escape channel 16a is optimally narrowed, as compared to the Fig. 3 and Fig 4 can be seen.
  • the cylinder 20 generates at the lower Blas Kunststoffdüsenplatte 15 a purely horizontal movement, the upper edge of the cutting pad 18 and the Blas Kunststoffdüsenplatte 15 a are aligned.
  • the cylinder 21 generates on the upper Blas Kunststoffdüsenplatte 15b an oblique movement X3, which causes the first opposite the pressure bar 19 projecting Blas Kunststoffdüsenplatte 15b is also flush with the lower edge of the pressure bar and forms a plane.
  • the upper blown air nozzle plate 15b is mounted on the pressure bar 19 via a holder 22. With lowering of the pressure bar 19 on the block I so that the Blas Kunststoffdüsenplatte 15a is lowered onto the block and acts for flat Planhalten the block I for the front section.
  • the force is elastic, for example limited by suspension of the suspension (not shown) and the contact surface to the block is rigid to the edges the flaps K do not appear on the outside of the brochure as prints.
  • the Blas Kunststoffdüsenplatten 15a, 15b act according to the Koanda effect via obliquely exiting air nozzles 23, which are supplied by a channel 24 with compressed air of preferably 1.5..2 bar.
  • the Blas Kunststoffdüsenplatten 15a, 15b are guided at the ends of the channel 24 and at rear suspension points 24 according to the desired strokes X2 below and X3 above by suitable means, as they are exemplified in Figs. 1 to 4, the special feature of the suction of the Koanda effect is that the material is not trapped, but can be moved smoothly. Hub X1 and Hub X2 or X3 therefore do not need to be in sync.
  • the pressure strip 19 is lifted and the export belts 13a and 13b transport the finished trimmed block out of the three-knife trimmer while the next block on the way out of the head and foot trimming stations A, B is already in the front trimming station C.
  • the stop 14 For transport, the stop 14 must fold down below the transport plane and fold up again after passing through the product to be executed in order to be ready for the next product.
  • 5 and 6 show another exemplary embodiment, in which the separation of the Umschiagkiappen is carried out by a number of suckers 35 and 35, which are located on suction pads 36.
  • the block I is again fed beyond the stroke X1 beyond the cutting position by the export belts 13a and 13b, so that the flap edge of the flap K just over the trailing edge of the cutting pad 18 and the pressing bar 19 gets over, the front portion F but still rests.
  • the vacuum of the suckers 35, 35a on the suction bars 36 is switched on and the envelope flap K sucked close to the flap edge.
  • On the top of sucker 35a are used with a telescopic stroke, which bridge the distance a, by extending when the vacuum is switched on and retract on contact with the to be sucked flap K again.
  • the suckers now make a pivoting movement ⁇ by about 45 ° about the pivot point 38 on the plates 39 and 39a, generated for example by two cylinders 37.
  • the stop 14 of the block I is then pushed back around the hub X1 in the cutting position. In this case, the plates 39 and 39a are moved synchronously only a piece of X2, for example via the cylinder 40th
  • the gently bent by the suckers 35 and 35a end of the flaps K is redirected into the recesses 18a and 19a.
  • the plates 39 and 39a come close to the cutting support 18 and the pressing bar 19 zoom in to achieve a possible full-surface support of the block I during the cut.
  • the upper plate 39a is vertically suspended elastically, for example, can serve for this purpose an intermediate layer 41 of foam rubber.
  • the upper plate 39a is mounted on the pressure bar 19 via a holder 32. When closing the pressing of the pressure bar 19, the plate 39a is automatically lowered onto the book block and the block so kept up for the cut.
  • suction cups 35 and 35a can be individually shut off.
  • the idea of the invention also extends to other ways of separating the envelope from the edge of the block.
  • the suction row would be a suction roll, which would be divided into segments, conceivable as a common alternative to individual suckers.
  • thin spring plates 43 are mounted as dividers in the radius-shaped recesses 18a and 19a and secured by fastening screws 43a. They press in the overstroke position slightly against the front portion portion of the block while the edge of the flap K has passed the leading edge of the spring plate 43 during the overstroke and is now separated on the return stroke of the spring plate 43 from the block I and is deflected along the recesses 18 a and 19 a.
  • the separation effect can be improved by blowing air from tubes 44 distributed along the book height.
  • the lower plate 45 is vertically constantly in alignment with the cutting support 18.
  • the upper plate 46 is always vertical to the pressing bar 19 in alignment.
  • the spring plate 43 can advantageously be arranged slightly obliquely against the cutting plane or the edge of the flap K. The separation then starts from one side. The risk of blunt advancing the edge of the flap K against the divider 43 can be avoided.
  • both plates 45, 46 can make a horizontal stroke to optimally reduce the gap to cutting support 18 or cutting bar 19 for the cut, e.g. as shown in Fig. 5 and Fig. 6 for the separation with suckers.
  • the top plate 46 may be formed with an elastic intermediate layer of foam rubber 41 or the plate 46 is resiliently secured to the pressure bar 19 by other known resilient means to avoid pressure marks on the envelope
  • the mechanical separation according to FIG. 7 can also be combined with the singling according to the Koanda effect according to FIG. 3 and FIG. 4. Both principles support each other and improve the singling function for the cover flaps K.
  • FIGS. 1 to 7 respectively show the processes as they occur during the transport back ahead.
  • the transport can also go ahead with the front cut.
  • the device according to FIGS. 1 to 7 will then run backwards.
  • the docking station D is arranged in front of the front cutting station C.
  • the back-up transportation is usually preferable to the transport cut.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Scissors And Nippers (AREA)
  • Making Paper Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
EP06014974.7A 2005-07-20 2006-07-19 Machine de découpage sur trois côtés pour la découpe de brochures Active EP1745941B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005033787 2005-07-20

Publications (3)

Publication Number Publication Date
EP1745941A2 true EP1745941A2 (fr) 2007-01-24
EP1745941A3 EP1745941A3 (fr) 2011-05-18
EP1745941B1 EP1745941B1 (fr) 2015-09-09

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ID=37434228

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EP06014974.7A Active EP1745941B1 (fr) 2005-07-20 2006-07-19 Machine de découpage sur trois côtés pour la découpe de brochures

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EP (1) EP1745941B1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2604439A1 (fr) * 2011-12-12 2013-06-19 Schreiner Group GmbH & Co. KG Procédé de fabrication pour un livret et livret
CN105058444A (zh) * 2015-07-13 2015-11-18 苏州宏瑞达新能源装备有限公司 具有高精度的板材表层薄膜自动修边机
CN108582230A (zh) * 2018-05-24 2018-09-28 浙江华岳包装机械有限公司 带自动清废功能的切纸机
US20210094337A1 (en) * 2019-10-01 2021-04-01 Horizon International Inc. Trimmer
EP4303026A1 (fr) 2022-07-06 2024-01-10 David Rosas Wolf Procédé et appareil de création de livret

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0754566A1 (fr) 1995-07-17 1997-01-22 Grapha-Holding Ag Procédé pour réaliser des livres, magazines ou brochures
EP1225015B1 (fr) 2001-01-17 2003-11-05 Horst Rathert Dispositif de découpe a trois couteaux, notamment pour éditions limitées
EP1053890B1 (fr) 1999-05-20 2003-12-03 Grapha-Holding AG Dispositif pour couper des brochures

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19809553B4 (de) * 1998-03-05 2010-04-15 Müller Martini Holding AG Verfahren und Vorrichtung zum Öffnen von Buchdeckeln eines geschlossen transportierten Buches
JP3593023B2 (ja) * 2000-10-23 2004-11-24 有限会社 コスモ機械 本の小口裁断表紙折込み機
DE10328337B3 (de) * 2003-06-24 2005-02-03 Halmosi Gmbh Vorrichtung und Verfahren zum Aufspreizen eines vorderseitigen und eines rückseitigen Umschlagblattes von inneren Blättern einer Broschüre

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0754566A1 (fr) 1995-07-17 1997-01-22 Grapha-Holding Ag Procédé pour réaliser des livres, magazines ou brochures
EP1053890B1 (fr) 1999-05-20 2003-12-03 Grapha-Holding AG Dispositif pour couper des brochures
EP1225015B1 (fr) 2001-01-17 2003-11-05 Horst Rathert Dispositif de découpe a trois couteaux, notamment pour éditions limitées

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2604439A1 (fr) * 2011-12-12 2013-06-19 Schreiner Group GmbH & Co. KG Procédé de fabrication pour un livret et livret
US9139035B2 (en) 2011-12-12 2015-09-22 Schreiner Group Gmbh & Co. Kg Production method for a booklet, and a booklet
CN105058444A (zh) * 2015-07-13 2015-11-18 苏州宏瑞达新能源装备有限公司 具有高精度的板材表层薄膜自动修边机
CN108582230A (zh) * 2018-05-24 2018-09-28 浙江华岳包装机械有限公司 带自动清废功能的切纸机
EP3800017A1 (fr) * 2019-10-01 2021-04-07 Horizon International Inc. Tondeuse
CN112589840A (zh) * 2019-10-01 2021-04-02 好利用国际株式会社 裁切机
US20210094337A1 (en) * 2019-10-01 2021-04-01 Horizon International Inc. Trimmer
JP2021053779A (ja) * 2019-10-01 2021-04-08 ホリゾン・インターナショナル株式会社 断裁機
JP7327795B2 (ja) 2019-10-01 2023-08-16 ホリゾン・インターナショナル株式会社 断裁機
CN112589840B (zh) * 2019-10-01 2024-02-06 好利用国际株式会社 裁切机
US11970018B2 (en) * 2019-10-01 2024-04-30 Horizon International Inc. Trimmer
EP4303026A1 (fr) 2022-07-06 2024-01-10 David Rosas Wolf Procédé et appareil de création de livret
DE102022002466A1 (de) 2022-07-06 2024-01-11 David Rosas Wolf Verfahren und Vorrichtung zur Herstellung eines Booklets
DE102022002466B4 (de) 2022-07-06 2025-01-23 David Rosas Wolf Verfahren und Vorrichtung zur Herstellung eines Booklets

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Publication number Publication date
EP1745941B1 (fr) 2015-09-09
EP1745941A3 (fr) 2011-05-18

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