EP2279145A1 - Dispositif de pliage présentant des arbres d'outils de coupe ou analogues montés en amont ou en aval - Google Patents

Dispositif de pliage présentant des arbres d'outils de coupe ou analogues montés en amont ou en aval

Info

Publication number
EP2279145A1
EP2279145A1 EP09745451A EP09745451A EP2279145A1 EP 2279145 A1 EP2279145 A1 EP 2279145A1 EP 09745451 A EP09745451 A EP 09745451A EP 09745451 A EP09745451 A EP 09745451A EP 2279145 A1 EP2279145 A1 EP 2279145A1
Authority
EP
European Patent Office
Prior art keywords
circular blade
rotatably mounted
shaft
tool
circular
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
EP09745451A
Other languages
German (de)
English (en)
Other versions
EP2279145B1 (fr
Inventor
Bernhard Ehret
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.)
Ehret Bernhard
Original Assignee
Ehret Bernhard
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 Ehret Bernhard filed Critical Ehret Bernhard
Publication of EP2279145A1 publication Critical patent/EP2279145A1/fr
Application granted granted Critical
Publication of EP2279145B1 publication Critical patent/EP2279145B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
    • 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
    • B26D1/12—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 cutting member moving about an axis
    • B26D1/14—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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/24—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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter
    • 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
    • B26D1/12—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 cutting member moving about an axis
    • B26D1/14—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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/24—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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter
    • B26D1/245—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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter for thin material, e.g. for sheets, strips or the like
    • 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
    • B65H45/14—Buckling folders
    • B65H45/142—Pocket-type folders
    • 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
    • B65H45/28—Folding in combination with cutting
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • 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
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B65H2301/41487—Winding slitting trimming edge

Definitions

  • the invention relates to a device with which paper webs can be folded by machine. Before or after such, the Messerfalz- or pocket folding technique using folding devices longitudinal slitting devices are present to bring, for example, the already folded sheet or subsequently to be folded sheet by cutting longitudinal edges in the correct width or to cut the product into several benefits.
  • folding devices such as pocket folding devices with upstream or downstream tool shafts.
  • tool shafts can be equipped for slitting, but also for perforating or scoring.
  • upper and lower blades can be used, which are each mounted rotatably on a respective upper and lower shaft. With such cooperating two circular knives, the web can then be cut in a shear section in the longitudinal direction, that is to say in the running direction of the web. Due to manufacturing tolerances of the cutting blade, it is very difficult to bring the cutting gap between the respective upper and lower blade as possible to zero in order to achieve the highest possible quality of cut.
  • the circular blades can be moved axially on the respective upper or lower blade shaft.
  • the conveying speed of the paper web between the tool shafts and the folding shafts of the folding device must be exactly the same.
  • the shear cut cutting principle implies that the upper and lower knives are slightly larger in diameter than the transport rolls present on each cutting shaft and conveying the paper web between them. Due to this overlap, however, the cutting blades have a slightly smaller speed component in the cutting direction than the paper web, despite the higher peripheral speed due to their larger diameter. This comes it is the shear cut to a kind of pulling through the paper web through the cutting blade, which leads to a very poor quality cut especially for thin papers.
  • the present invention seeks to form the tool shafts upstream or downstream of folding devices such as knife shafts in particular so that the highest possible quality paper cut or a comparable longitudinal processing can be generated.
  • the lower circular blade is mounted freely movable on its blade shaft, while the associated upper circular blade is rotatably mounted on its upper shaft.
  • the lower, rotationally driven blade shaft is connected directly or indirectly via a gear to the upper shaft, such that the upper blade shaft receives a comparatively higher rotational speed. This can also be achieved by another own drive for the upper cutter shaft.
  • This higher rotational speed of the upper shaft has the consequence that the upper circular blade has a correspondingly high rotational speed.
  • the lower circular blade can also be attached to the upper one. In this way, it is ensured that the two cutting blades in the cutting point with the paper web have a higher speed component in the running direction of the web than the web itself, so that a high-quality shear cut can be produced.
  • such a pulling longitudinal section can also be achieved by arranging a corresponding gear between the shaft to be rotated by any desired drive and one of the two circular knives. It would also be possible to set one of the two or both circular blades by relatively separate drives in relation to the or the rotatively driven waves in relatively faster rotation.
  • the two cutting blades cooperating cooperating knives are rotatably mounted on their tool shafts.
  • the one or both of the above or from below of the paper web adjacent transport rollers are freely rotatably mounted on the respective tool shafts.
  • the transport rollers can then be driven to rotate so that they transport the paper web conveyed through between them at the desired web speed to the folding rollers or away from the folding rollers.
  • the tool shafts can be driven correspondingly faster rotational, so that the above-mentioned high-quality shear cut can be produced.
  • the production of a freely rotatably mounted transport roller is structurally simpler and thus economically cheaper than the comparable construction for a free rotatably mounted circular blade.
  • the adjacent each of the top and bottom of the paper web transport rollers can be driven by, for example, auxiliary shafts. It would also be possible to drive only one of these in each case two transport rollers and mitzuschleppen the other transport role as it were by their investment in the paper web.
  • the cutting quality of the longitudinal cuts or cuts to be produced in a paper web in conjunction with a folding device can also be increased by bringing the cutting gap between the upper and lower knives as close as possible to zero.
  • a minimally wide cutting gap can be produced in that one of the opposing circular blades is pressed against the counter blade via a spring element.
  • the rotatably mounted on a shaft circular blade loaded by a spring element in the axial direction, so that it always frictionally rests with its peripheral edge on the counter blade.
  • This spring element can, as shown in the drawings embodiments, preferably be an elastically deformable ring such as in particular a rubber ring or even a steel spring or another spring element.
  • 1 is a view of two blade shafts, seen in the running direction of a paper web, according to a first embodiment of the invention, with a rotatably mounted on a first blade shaft circular blade and a rotatably mounted on a second blade shaft other circular blade
  • 2 is a schematic side view of a folding device with upstream blade shafts
  • FIG. 3 is a view of two blade shafts, seen in the running direction of a paper web, according to a second embodiment of the invention, with two freely rotatable arranged circular knives,
  • FIG. 4 is a view on two cutter shafts, similar to FIG. 3, with two driven auxiliary shafts for driving two circular blades, according to a third embodiment of the invention
  • Fig. 5 is a view of two blade shafts, seen in the direction of a paper web, according to a fourth embodiment of the invention, with two rotatably mounted circular knives.
  • a pocket folding device 10 has, according to FIG. 2, a first, upper folding pocket 12 and a second, lower folding pocket 14.
  • the first folding pocket 12 is preceded by a first, upper folding roller 16 and a second, lower folding roller 18.
  • the second folding pocket 14 is a third, upper folding roller 20 and a fourth, lower folding roller 22 downstream.
  • Such an arrangement of a pocket folding device 10 is known.
  • the first and second folding roller 16, 18 are shown in FIG. 2 in the present example, an upper cutting and transport shaft 24 and a lower cutting and transport shaft 26 upstream.
  • a paper web 28 is guided in the web running direction 30 through the two cutting and transport shafts 24, 26 and then through the Taschenfalzvorraum 10, wherein by entering the paper web 28 in the first folding pocket 12, a first loop 32 and then by entering the folded paper web 28 in the second folding pocket 14, a second loop 34 is generated in the paper web 28.
  • the first loop 32 is folded by the second and third folding rollers 18, 20 to a first fold break and then the second loop 34 during running between the third folding roller 20 and the fourth folding roller 22 through to a second fold break.
  • This type of longitudinal cutting of a paper web 28 and subsequent folding is known per se.
  • a lower transporting roller unit 40 is non-rotatably mounted by means of a screw 42.
  • the transport roller unit 40 is provided on its outside with a rubber insert 44.
  • This lower transport roller unit 40 is associated with an upper transport roller unit 50.
  • the outer ring 58 of this transport roller unit 50 is freely rotatably mounted relative to the upper shaft 24.
  • a holding jaw 52 of this transport roller unit 50 is rotatably mounted on the upper shaft 24 via a screw 54.
  • the holding jaw 52 carries a ball bearing 56 fixedly arranged on the holding jaw 52 via a blocking ring 57 in the axial direction 59, on which the outer ring 58 is mounted, which is provided on its outside with a rubber insert 45. Between the two rubber inserts 44, 45 of the lower and upper transport roller unit 40, 50, the paper web 28 runs.
  • a lower holding jaw 60 is rotatably mounted on the lower shaft 26 via a screw 62.
  • the holding jaw 60 is surrounded by a ball bearing 64 which carries an outer retaining ring 66.
  • the retaining ring 66 is thus freely rotatably mounted on the holding jaw 60.
  • the ball bearing 64 is arranged by means of a locking ring 61 in the axial direction 59 fixed to the lower holding jaw 60.
  • the lower circular blade 70 is clamped between a re-entrant shoulder 67 of the retaining ring 66 and a held by a locking ring 69 in the axial direction 59 on the holding jaw 66 spacer.
  • the ball bearing 64 of this lower circular blade 70 is freely rotatably mounted on the lower holding jaw 60 and thus on the lower shaft 26 in the same manner as the retaining ring 66.
  • the lower circular blade 70 cooperates with an upper circular blade 74.
  • This upper circular blade 74 is rotatably mounted on an upper jaw 76 which is rotatably mounted on a screw 78 on the upper shaft 24, and is loaded by a spring ring 80 in the axial direction 59, that is in the longitudinal direction of the two longitudinal axes 82, 84 of the upper shaft 24 and lower shaft 26.
  • the spring ring 80 thus presses in the axial direction 59 against the upper circular blade 74.
  • the upper circular blade 74 is applied in the axial direction 59 laterally pressing against the lower circular blade 70, as shown in Fig. 1.
  • the two Umf margins of the two circular knives 70, 74 thus produce a shear cut with a size going to zero cutting gap. In this way, a clean longitudinal section can be generated and thus, for example, one side edge 83 can be separated from the remaining paper web 28 in terms of quality.
  • Each cutting edge of both circular knives 70, 74 each has a - not shown in the drawing - hollow grinding.
  • the spring ring 80 (rubber ring) is held framed by a press ring 81 laterally.
  • the pressing ring 81 has an internal thread and the upper holding jaw 76 has an external thread, so that the pressing 81 can be screwed onto the holding jaw and thereby the spring ring 80 can be prestressed.
  • the pressing ring is fixed in its adjusted position.
  • a lower gear 90 is rotatably mounted on the lower shaft 26, which is actively rotatably driven, in the present case 24 teeth.
  • This lower gear 90 meshes with an upper gear 92, which has, for example, 20 teeth and which is also rotatably mounted on the upper shaft 24.
  • the gear consisting of these two gears 90 or 92 causes the upper shaft 24 to have a rotational speed 20 percent greater than the lower shaft 26.
  • the upper circular blade 74 mounted on the upper shaft 24 in a rotationally fixed manner has a correspondingly increased rotational speed , which transmits this upper circular blade 74 by its frictional engagement with the lower circular blade 70 on this lower circular blade 70.
  • the lower circular blade 70 assumes this increased rotational speed, since it is freely rotatably mounted on its lower shaft via the ball bearing 64. In this way, a relation to the running speed of the paper web 28 sufficiently increased rotational speed of the circular blade 70, 74 can be ensured.
  • the running speed of the web 28, however, is not increased.
  • the running speed of the paper web 28 is based on the rotational speed of the lower transport roller unit 40, which is non-rotatably mounted on the lower shaft 26.
  • the rubber insert 44 of the lower transport roller unit 40 transmits its rotational speed to the upper transport roller unit 50 with the freely rotatably mounted upper rubber insert 45.
  • the paper web 28 is thus transported by the two rubber inserts 44, 45 of the two transport roller units 40, 50 at a speed in the web running direction, which is determined by the rotational speed of the lower shaft 26.
  • the lower shaft 26 is now driven so that the speed of the paper roll 28 corresponds to the speed that is also present when passing through the paper web 28 by the downstream folding rollers 16, 18, 20, 22.
  • FIG. 3 of an upper and lower cutting and transporting shaft 24, 26, between which the guided paper web 28 is cut through with a longitudinal section differs from the embodiment shown in FIG. 1 in that the two shafts 24, 26 are offset by means of a gear in unequal rotational speeds, but that by means of a gearbox, the one, in the present example, the lower shaft 26 directly to the - in this example - upper circular blade 74 is connected.
  • a lower transport roller unit 40 is rotatably mounted by means of a screw 42 in the same manner as in the embodiment of FIG.
  • the lower circular blade 70 is held clamped in the embodiment of FIG. 3 in the same manner as in the embodiment of FIG. 1 in an outer retaining ring 66 which in turn rotatably rotatably via a ball bearing 64 on one of the shaft 26 by means of the screw 62 arranged lower holding jaw 60 is mounted.
  • the storage for the lower circular blade 70 is identical in the embodiments of FIGS. 1 and 3.
  • an upper transport roller unit 50.3 is arranged rotationally fixed.
  • This upper transport roller unit 50.3 corresponds to the lower transport roller unit 40. It is rotatably mounted on the upper shaft 24 via a screw 54. Between the transport roller units 40, 50.3, the paper web 28 is passed. The two units 40, 50.3 are frictionally engaged with their respective rubber insert 44, 45 from below or from above to the paper web 28 oppressive.
  • the upper circular blade 74 is rotatably mounted in an outer retaining ring 94.
  • the outer retaining ring 94 in turn via a two-track ball bearing 96 is rotatable an upper jaw 98 attached.
  • the upper holding jaw 98 is in turn attached via a screw 100 to the upper shaft 24.
  • the two-track ball bearing 96 is held immovably by means of a locking ring 102 on the upper holding jaw 98 and thus on the shaft 24.
  • the outer retaining ring 94 which is rotatable about the upper shaft 24, has a toothed rim 112 at its end region (in FIG. 3) which has 20 teeth in the present example.
  • This ring gear 112 cooperates with a non-rotatably mounted on the lower shaft 26 gear 90.
  • the lower gear has 24 teeth in this example case.
  • the lower shaft 26, which is rotated by some drive, transmits its rotation to the lower gear 90.
  • the lower gear 90 meshing with the upper ring gear 112 leaves the ring gear 112, in this example, 20 percent faster than the lower shaft 26 rotate.
  • the rotation of the ring gear 112 acts on the upper circular blade 74.
  • the upper circular blade 74 rotates at a 20 percent higher rotational speed than the lower shaft 26.
  • the rotational speed of the upper circular blade 74 is transmitted to the lower circular blade 70 by the frictional engagement of the two circular blades 70, 74, as already described above in connection with FIG. 1. In this way, a so-called leading, pulling longitudinal section through the paper web can be produced in the paper web 28.
  • the upper shaft 24 is dragged over the two transport roller units 40, 50.3; a special rotary drive is dispensable for the upper shaft 24. It would be possible to use the upper transport roller unit 50.3 in the same manner as in the embodiment of FIG. 1 as a transport roller unit 50 and thus relative to the upper shaft 24 freely rotatable form. In this case, the upper shaft 24 could remain at rest, without rotation.
  • the upper circular blade could also be offset by another drive in, relative to the lower shaft 26, comparable faster rotation.
  • an upper circular blade 74 is freely rotatably mounted about the upper shaft 24.
  • the upper circular blade 74 is mounted on an upper holding jaw 60.4, which is rotatably mounted on the upper shaft 24, rotatably supported via a ball bearing 64.
  • the holding jaw 60.4 with its holder of the upper circular blade 74 corresponds to the lower jaw 60 rotatably arranged in Fig. 1 on the lower shaft 26.
  • the existing in Fig. 4 in the upper shaft 24 upper jaw 60.4 differs from that shown in Fig. 1 Holding jaw 60 to the effect that on the radial circumference of its outer retaining ring 66, a ring gear 114 is mounted rotatably.
  • This ring gear 114 cooperates with a ring gear 116 which is provided on a gear 118.
  • This gear 118 is rotatably mounted on an upper auxiliary shaft 120.
  • the outer retaining ring 66 of the upper holding jaw 60.4 can be set into any desired rotation via the gear 118 and its toothed ring 116. Its rotational speed can then, for example, according to the preceding embodiments by 20 percent higher than the rotational speed of the two transport roller units 50.3, 40 of the two shafts 24, 26 are selected.
  • the existing on the lower shaft 26 lower jaw 60.5 corresponds to the upper jaw 60.4 with the difference that instead of the spacer 68 of the upper jaw 60.4 in the present example an angular spacer 68.4 is present that in the axial direction over a still existing barrier Ring 69 is supported on the outer retaining ring 66.
  • a spring ring 80 is present between the L-shaped spacer 68.4 and the lower circular blade 70.
  • the lower circular blade 70 is pressed against the re-entrant shoulder 67 of the outer retaining ring 66. In this way, the lower circular blade 70 is frictionally applied to the upper circular blade 74 in the axial direction 59.
  • the lower holding jaw 60.5 corresponds to the upper holding jaw 60.4, namely by a toothed ring 114 is fixedly mounted in the outer retaining ring 66 as well.
  • the ring gear 114 meshes with a ring gear 116 of another gear 118 which is rotatably mounted on a lower auxiliary shaft 122.
  • the rotational speeds of the two auxiliary shafts 120, 122 are equal. Since identical gear ratios of the gears 118 are present on the lower jaw 60 and on the upper jaw 60.4, rotate the two circular blade 70, 74 with exactly the same rotational speed. This rotational speed is - as already stated above - about 20 percent greater than the rotational speed of the two shafts 24, 26. In this way, with the two circular knives 70, 74 in the paper web 28 produce a leading, pulling longitudinal section.
  • a longitudinal section can also be carried out in a middle section of the paper web 28, since the upper and the lower holding jaws 60.4, 60.5 have a finite distance 130 or 132 from the paper web 28. In the embodiment according to FIG. 3, this would only be possible if the free space existing in the axial direction 59 between the lower gear 90 and the paper web 28 was large enough.
  • the upper circular blade 74 is rotatably mounted on the upper cutting blade and transport shaft 24, as well as in Fig. 1 is the case.
  • the upper circular blade 74 is screwed by means of an intermediate spring ring 80 of a press ring 81 which is screwed onto the means of a screw 78 rotatably mounted on the shaft 24 upper jaw 76, against the - in Fig. 5 to the left - outer left shoulder 86 of the upper jaw 76 is pressed.
  • the pressing ring 81 is in turn held in its screwed-on position by means of a screw 85 screwed radially into the upper holding jaw 76.
  • the lower circular blade 70 is also mounted rotatably.
  • a lower holding jaw 60.6 by means of a screw 62 rotatably mounted on the shaft 26.
  • a pressing ring 81.5 is screwed in the axial direction, which is held in its screwed-on position by means of a screw 85 in its position on the holding jaw 60.6.
  • the pressing ring 81.5 presses in the axial direction, the lower circular blade 70 directly against a - in Fig. 5 right - outer shoulder 87 of the lower holding jaw 60.6.
  • the lower circular blade 70 is held immovably between the pressing ring 81.5 and the shoulder 87 of the holding jaw 60.6.
  • the two cutting and transport shafts 24, 26 are driven so that the paper web 28 can be severed in the web running direction by the two circular knives 70, 74 - with a longitudinal section - as already described above.
  • a lower transport roller unit 40.5 is freely rotatably mounted on the lower cutting and transporting shaft 26.
  • its lower holding jaw 51 by means of a screw 42 rotatably disposed on this lower shaft 26.
  • an outer retaining ring 66.5 is rotatably supported via a ball bearing 144.
  • the rubber insert 44 is attached, as well as the above in the lower transport roller unit 40 is also the case.
  • the outer retaining ring 66.5 can thus rotate relative to the lower cutting and transport shaft 26.
  • an outer retaining ring 156 is held freely rotatably via a ball bearing 56 mounted on the holding jaw 52.5.
  • a toothed ring 148 is formed in comparable to the outer retaining ring 66.5 of the lower transport roller unit 40.5, which cooperates with a gear 150.
  • the gear 150 is rotatably mounted on an auxiliary shaft 120.
  • the rubber liner 45 is attached to the outer retaining ring 156, as is similarly the case with the upper transport roller assembly 50 ( Figure 1).
  • the outer retaining ring 156 and thus the upper rubber insert 45 can be brought into a rotational rotational speed, and the like applies by means of the auxiliary shaft 122 for the lower rubber insert 44.
  • These rotational speeds are so great that the between the two rubber inserts 44th , 45 held paper web 28 can be transported through the area of the cutting and transport shafts 24, 26 with the desired web running speed. This web speed is the same in the area of the cutting and transport shafts 24, 26 and the folding seams (FIG. 2).
  • the two circular knives 70, 74 can be driven so that the desired high quality shear cut can be made in the paper web 28, as shown above .
  • the relatively higher rotational speed of the two circular knives 70, 74 relative to the transport shafts is achieved by corresponding rotary drives for the two cutting and transport shafts 24, 26, on which the respective two circular knives 70, 74 are arranged non-rotatably.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

L'invention concerne un dispositif (10) pour le pliage d'une bande de papier (28), comprenant une paire - montée en amont ou en aval de ses rouleaux plieurs (16, 18, 20, 22) - d'arbres d'outils (24, 26) porteurs de lames circulaires (70, 74), dispositif caractérisé en ce que les lames circulaires (70, 74) et/ou les unités de rouleaux de transport (40, 50) pour le transport de la bande de papier sont entraînées en rotation avec une égale vitesse d'avancement de la bande, dans la zone des arbres d'outils (24, 26) et dans celle des rouleaux plieurs, de telle façon que les composantes de vitesse des lames circulaires (70, 74) soient, dans le sens d'avancement de la bande, au moins non inférieures, de préférence supérieures à la vitesse d'avancement de la bande de papier (28).
EP09745451A 2008-05-14 2009-05-13 Dispositif de pliage présentant des arbres d'outils de coupe ou analogues montés en amont ou en aval Not-in-force EP2279145B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202008006530U DE202008006530U1 (de) 2008-05-14 2008-05-14 Falzvorrichtung mit vor- oder nachgelagerten Messer- oder vergleichbaren Werkzeugwellen
PCT/DE2009/000660 WO2009138067A1 (fr) 2008-05-14 2009-05-13 Dispositif de pliage présentant des arbres d'outils de coupe ou analogues montés en amont ou en aval

Publications (2)

Publication Number Publication Date
EP2279145A1 true EP2279145A1 (fr) 2011-02-02
EP2279145B1 EP2279145B1 (fr) 2012-08-15

Family

ID=39646579

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09745451A Not-in-force EP2279145B1 (fr) 2008-05-14 2009-05-13 Dispositif de pliage présentant des arbres d'outils de coupe ou analogues montés en amont ou en aval

Country Status (4)

Country Link
US (1) US20110065560A1 (fr)
EP (1) EP2279145B1 (fr)
DE (2) DE202008006530U1 (fr)
WO (1) WO2009138067A1 (fr)

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* Cited by examiner, † Cited by third party
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JP6336226B1 (ja) * 2018-01-30 2018-06-06 株式会社ゴードーキコー スリッタ
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US20110065560A1 (en) 2011-03-17
DE202008006530U1 (de) 2008-07-24
DE112009001717A5 (de) 2011-04-21
EP2279145B1 (fr) 2012-08-15

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