EP2759397B1 - Dispositif de matriçage rotatif avec système de serrage et réglage d'angle - Google Patents

Dispositif de matriçage rotatif avec système de serrage et réglage d'angle Download PDF

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Publication number
EP2759397B1
EP2759397B1 EP13195594.0A EP13195594A EP2759397B1 EP 2759397 B1 EP2759397 B1 EP 2759397B1 EP 13195594 A EP13195594 A EP 13195594A EP 2759397 B1 EP2759397 B1 EP 2759397B1
Authority
EP
European Patent Office
Prior art keywords
embossment
clamping
tool
clamping ring
rotational
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.)
Active
Application number
EP13195594.0A
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German (de)
English (en)
Other versions
EP2759397A3 (fr
EP2759397A2 (fr
Inventor
Wolfgang Diehr
Tobias Ring
Frank Schmid
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.)
Masterwork Group Co Ltd
Original Assignee
Masterwork Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP2759397A2 publication Critical patent/EP2759397A2/fr
Publication of EP2759397A3 publication Critical patent/EP2759397A3/fr
Application granted granted Critical
Publication of EP2759397B1 publication Critical patent/EP2759397B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/073—Rollers having a multilayered structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/02—Dies; Accessories
    • B44B5/026—Dies

Definitions

  • the invention relates to a rotary embossing device according to the preamble of claim 1.
  • Folding cartons are cardboard or corrugated board packaging, and to a lesser extent plastic, which are glued at one or more points during the folding process, depending on the design. They are usually produced from a blank. The blanks are usually punched out in a flatbed or rotary die-cutting machine. The blank must be folded on several lines and glued at least at one edge. When folded flat, the folded boxes come out of the carton gluer and can be stacked compact or packed in cartons. The placement and filling of the boxes can be done mechanically in packaging machines or manually.
  • embossing of the braille is carried out either during the stamping process in the punching machine during the production of the blanks. This is however consuming, since a punching sheet several benefits, ie blanks contains and for each benefit a pair of tools consisting of die and patrix must be provided. Or there are rotary embossing devices with two rotating embossing tools are used, which may for example be part of a Faltschachtelklebemaschine.
  • the known Braille stamping devices usually consist of an upper rotary tool, the Braille male and a lower rotary tool of the Braille die.
  • the Braille patrix has a predetermined number of raised Braille embossing points on its embossing side.
  • the Braille matrix usually has the maximum possible number of Braille point wells; It is therefore designed as a universally applicable matrix. The number of depressions depends on whether the Braille embossing used is the usual 6-point basic shape or the 8-point basic shape.
  • the DE 10 2010 036 011 A1 shows a tool for a rotary embossing device for embossing flat, curved material.
  • the device has two rotary embossing tools in the form of a male and a die for introducing the embossments.
  • At least the male part consists of a roller body, on which a closed, annular tool sleeve or a slotted tool sleeve is attached.
  • the tool sleeves are fixed by clamping systems described in more detail.
  • the tool sleeve of the male has on its outer shell job specific raised embossing points. These interact with corresponding depressions in the outer shell surface of the order-neutral die.
  • Another disadvantage is that when two or more embossing dies are mounted on the same drive shaft, no relative synchronization of both is possible. Due to manufacturing tolerances, however, such synchronization for the production of high-quality printed products is required. This is especially true for coining legally prescribed braille.
  • Known from the prior art it is only to synchronize the embossing die relative to the associated embossing die by rotating their drive shafts to each other. With this method, however, only both (or more) embossing matrices can be corrected by an equal angular degree.
  • Object of the present invention is to provide a rotary embossing device, which allows easy installation and adjustment of a tool sleeve and thus at least partially solves the disadvantages of the prior art.
  • the rotary embossing device is used for embossing sheet-like materials such as sheet, utility and webs of paper, cardboard, plastic and composite materials with a drive shaft and an embossing tool mounted thereon, wherein the embossing tool has a roller body, a clamping system and a tool sleeve, wherein the tool sleeve with the Clamping system is stretched on the roll body. Furthermore, one on a parallel further drive shaft be provided mounted rotary counter tool. For processing the sheet material, this is then transported between the two tools.
  • the clamping system has at least one clamping ring, which is arranged between the roller body and the tool sleeve and serves to clamp the tool sleeve.
  • the clamping ring has a lower mass moment of inertia.
  • the at least one clamping ring is connected to an adjusting device for rotating the at least one clamping ring for adjusting the angle of the tool sleeve about an axis of rotation of the embossing tool. There is thus also a rotation of the tool sleeve relative to the drive shaft. The twisting takes place by a displacement of the clamping ring along the preferably cylindrical surface of the roller body. This ensures that the clamping ring and thus the tool sleeve can be adjusted in its angular position relative to the drive shaft and thus also relative to an optionally existing counter tool. If there are several embossing tools on one and the same drive shaft, then it is possible for the tool sleeves of the embossing tools to undergo a different angle adjustment, and thus the tool sleeves to be adjusted relative to one another.
  • the adjusting device has a particularly axially displaceable positioning, which is associated with a particular mounted inside the roller body adjustment mechanism, wherein the clamping ring has on its inner surface a groove and the positioning element is displaceable in the groove, wherein the displacement causes an adjustment of the clamping ring.
  • the groove in the clamping ring is aligned in particular at an acute angle to the axial direction.
  • the adjustment mechanism is easily accessible from outside the embossing tool, so that the machine operator can make an adjustment of the clamping ring in a simple manner by actuating the adjusting mechanism. Another advantage results from the fact that the adjustment is very compact and has only a small moment of inertia.
  • the adjusting device has an eccentric disk mounted in the roller body, the rotation of which causes an adjustment of the clamping ring.
  • the adjusting device has a worm gear and the clamping ring has a toothing on its inner surface.
  • the invention also relates to a rotary embossing device, in particular as described above, wherein the clamping system according to the invention has a clamping ring, which is arranged between the roller body and the tool sleeve, for clamping the tool sleeve.
  • the clamping ring has at least one elastomeric ring and the clamping system further comprises an axially displaceable clamping cover for pressing the at least one elastomeric ring. The pressing of the at least one elastomer ring by the clamping cover causes a radial expansion of the at least one elastomeric ring, whereby the tool sleeve is clamped.
  • the clamping ring has a plurality of elastomer rings and in each case between two elastomer rings each have a particular rigid spacer ring.
  • the roller body at least at one end of an external thread and the clamping cover has a complementary internal thread for screwing the clamping cover on the roller body, whereby the clamping ring is fixed to the roll body.
  • screwing the clamping lid causes an axial displacement of the clamping cover and thus causes a pressing of the at least one elastomeric ring.
  • an acrylonitrile-butadiene rubber can be selected.
  • the tool sleeve is tubular and has a closed lateral surface.
  • the tool sleeve is also tubular, but with a slotted lateral surface.
  • the clamping ring in a particularly advantageous embodiment, a joining piece and the two longitudinal edges of the tool sleeve are, in particular form-fitting, connectable to the joining piece.
  • the groove of the adjusting device can be introduced into the joining piece.
  • the tool can be used in a Braille embossing device in a Faltschachtelklebemaschine.
  • FIG. 1 shows an embossing device with the rotary embossing device 1 according to the invention in partially dismounted state.
  • the rotary embossing device 1 has an upper tool, which is designed as a male part 2 and a lower tool, which is designed as a die 3.
  • the male part 2 consists of a roller body 4, on which a tool sleeve 5 is fixed, which has raised embossing points on its outer shell surface, for the sake of clarity in FIG. 1 are not shown.
  • the die 3 also has a roller body 6, which has corresponding recesses on its outer shell surface, the sake of clarity in FIG. 1 also not shown in detail.
  • the recesses can be introduced either directly on the outer shell surface 7 of the roller body 6 of the die 3, or analogously to the male in a tool sleeve, not shown, which is mounted on the roller body 6 of the die 3.
  • Both the male part 2 and the female part 3 are protected against contact by protective boxes 8, 9.
  • the male part 2 is mounted on a flange, not shown, and is driven by a drive shaft 12. Furthermore, it is guided by an upper tool guide element 10, which is supported on a crossbeam 15, laterally.
  • the die 3 is mounted on a flange, not shown, and is driven by a lower drive shaft 13. Furthermore, it is guided laterally by a lower tool guide element 11, which is supported on a lower transverse beam 16.
  • embossing device can be sheet, web or web-shaped substrates with an embossing, in particular a Braille embossing provided by the substrates are moved by a well-known and therefore not shown belt transport system between male and female die 3 3.
  • FIG. 2 shows a rotary embossing device 1 according to the invention, as shown on a drive shaft 12 (not shown in detail) pushed and fastened by means of a tool guide member 10 on a transverse line 15 (not shown).
  • a roller body 4 is mounted on ball bearings 10.2 of a tool carrier 10.1 and has a polyhedron which is complementary designed to a participatedvielkant the drive shaft 12. Instead of a polygon also polygonal or a shaft with key can be used, the roller body is then also carried out correspondingly complementary , The roller body 4 is thus mounted on the tool carrier 10.1 and is driven by the drive shaft 12. On the roll body 4, a clamping ring 31 is pushed.
  • the clamping ring 31 consists of a plurality of elastomeric rings 32, wherein a spacer ring 33 is disposed between each two elastomeric rings 32. Both elastomer rings 32 and spacers 33 are attached to a joining piece 34 and are held together.
  • the roller body 4 is provided at its one end with an external thread 38, on which a provided with an internal thread 37 clamping cover 36 can be screwed. In the clamping cover 36 engagement points may be provided for a tool for easier rotation of the clamping cover 36, such as holes for a face spanner. By screwing the clamping cover 36 of the clamping ring 31 is secured.
  • This device serves to receive order-dependent, differently designed tool sleeves 17, which may be provided, for example, with elevations for the generation of Braille points.
  • it is a slotted tool sleeve 17.
  • This tool sleeve 17 may be on the clamping ring 31st be postponed easily.
  • the longitudinal edges of the tool sleeve 17 in the region of its slot engage in specially shaped grooves of the joining piece 34, so that the tool sleeve 17 is fixed on the clamping ring 31.
  • a tension in the clamping system 30 must be generated. This happens because the clamping cover 36 is further screwed onto the roller body 4.
  • the adjusting device 20 has for this purpose a positioning element 21, which is pin-shaped and can be actuated by an adjusting mechanism 23.
  • the adjusting mechanism 23 has a threaded pin, which has at its one head, for example, an easily accessible from outside the male 2 hexagon socket. By operating the hexagon socket, the grub screw is turned.
  • the positioning element 21 has a matching internal thread and is displaced by the rotation in the axial direction.
  • the adjusting mechanism 23 is integrated into the roller body 4 and only one pin of the positioning element 21 protrudes beyond the offset lateral surface of the roller body 4. This pin of the positioning element 21 engages in a groove 22, which is introduced on the inside of the joining piece 34.
  • the groove 22 (in Fig. 2 indicated by a dashed line) is oriented in the joining piece 34 so that it is aligned at an acute angle to the axial direction. This results in an axial displacement of the positioning element 21 during the actuation of the adjusting mechanism 23, an angular displacement of the joining piece 34 and thus the entire clamping ring 31 and together with the tool sleeve 17.
  • the resulting adjustment movement j in the circumferential direction of the tool sleeve 17 for angular correction of the tool sleeve 17 is represented by an arrow j.
  • FIG. 3 an alternative embodiment of the rotary embossing device 1 is shown for the use of closed tool sleeves 18.
  • the closed tool sleeve 18 has at one of its round edges a recess 19.
  • the joining piece 34 which is connected to the clamping ring 31 and between roller body 4 and clamping ring 31 is inserted , has a recess 35 to the complementary nose 35, wherein the recess 19 of the tool sleeve 18 engages when pushing the tool sleeve 18 on the clamping ring 31 in the nose 35, so that the closed tool sleeve 18 is fixed on the clamping ring 31.
  • the clamping of the tool sleeve 18 is effected as described above by a further unscrewing (s) of the clamping cover 36.
  • the angle adjustment of the tool sleeve 18 can also be done with the aid of an adjusting device 20 as described above by the adjusting device via a groove (indicated by a dashed line) the joining piece 34, so that the clamping ring 31 and thus also the tool sleeve 18 is rotated in the circumferential direction.
  • FIG. 4a a first embodiment of the adjusting device 20 is shown.
  • the adjusting device 20 in this case has a worm-helical gear 25, 26.
  • the worm wheel 25 is provided with a hexagon socket, which is easily accessible from the outside through a hole in the joining piece 34.
  • the worm wheel 25 engages in a spur gear 26, which is provided with an external toothing.
  • the external toothing of the spur gear 26 in turn engages in a toothing 27 on the inside of the joining piece 34. Due to the interaction of the worm wheel 25 and the spur gear 26, a very high reduction and thus a very precise adjustment of the position of the joining piece 34 relative to the roller body 4 are made possible.
  • FIG. 4b a further embodiment of the adjusting device 20 is shown, which has an eccentric 24.
  • the eccentric 24 is embedded in the roller body 4 and is rotatably supported by means of a pin 28 which engages in a bore in the roller body 4.
  • the eccentric 24 On its surface, which in FIG. 4b Not can be seen, the eccentric 24 has a hexagon socket, about which a rotational movement of the eccentric disc 24 can be initiated from outside the rotary embossing device 1.
  • the eccentric disc 24 is located in the region of a joining piece 34.
  • the joining piece 34 has been provided on its inside with a groove 39 through which the eccentric disc 24 is received. In the joining piece 34 in the region of the groove 39, a long hole 39.1 is introduced, which in FIG. 4b only hinted at.
  • the slot 39.1 ensures that the hexagon socket (not shown) of the eccentric disc 24 remains accessible to the operator.
  • a rotation of the eccentric disc 24 causes the joining piece 34 is displaced relative to the roller body 4 via the groove 39, whereby an angular adjustment of the clamping ring 31 and thus also a tool sleeve 17, 18 takes place.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (10)

  1. Dispositif de matriçage rotatif (1) pour le matriçage de matériaux de forme plate comme des feuilles, des flans, des bandes de papier, de carton, de matière plastique et de matériaux composites avec un arbre d'entraînement (12) et au moins un outil de matriçage (2) monté sur celui-ci, dans lequel l'outil de matriçage présente un corps de rouleau (4), un système de serrage (30) et une douille d'outil (17, 18), dans lequel la douille d'outil (17, 18) est serrée sur le corps de rouleau (4) avec le système de serrage (30), caractérisé en ce que le système de serrage (30) comporte au moins une bague de serrage (31), qui est disposée entre le corps de rouleau (4) et la douille d'outil (17, 18), et en ce que ladite au moins une bague de serrage (31) est en prise avec un dispositif de déplacement (20) pour faire tourner (j) ladite au moins une bague de serrage (31) pour le réglage d'angle de la douille d'outil (17, 18) autour d'un axe de rotation de l'outil de matriçage (2).
  2. Dispositif de matriçage rotatif selon la revendication 1, caractérisé en ce que le dispositif de déplacement (20) présente un élément de positionnement (21) déplaçable en particulier axialement et un mécanisme de déplacement (23) logé en particulier à l'intérieur du corps de rouleau (4) lui est associé, dans lequel la bague de serrage (31) présente une rainure (22) à sa surface intérieure et l'élément de positionnement (21) peut glisser dans la rainure (22), dans lequel le glissement provoque un déplacement (j) de la bague de serrage (31).
  3. Dispositif de matriçage rotatif selon la revendication 1, caractérisé en ce que le dispositif de déplacement (20) présente un disque excentrique (24) monté dans le corps de rouleau (4), dont la rotation provoque un déplacement (j) de la bague de serrage (31).
  4. Dispositif de matriçage rotatif selon la revendication 1, caractérisé en ce que le dispositif de déplacement (20) présente un mécanisme à roue droite et roue à vis sans fin (25, 26) et la bague de serrage (31) présente une denture (27) sur sa surface intérieure, dans lequel une rotation de la roue à vis sans fin (25) provoque par la roue droite (26) et la denture (27) un déplacement (j) de la bague de serrage (31).
  5. Dispositif de matriçage rotatif (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la bague de serrage (31) présente au moins une bague élastomère (32), et le système de serrage (30) comporte en outre un couvercle de serrage (36) déplaçable axialement pour le serrage de ladite au moins une bague élastomère (32).
  6. Dispositif de matriçage rotatif selon la revendication 5, caractérisé en ce que la bague de serrage (31) comporte une multiplicité de bagues élastomères (32) et chaque fois entre deux bagues élastomères (32) une bague d'écartement notamment rigide (33).
  7. Dispositif de matriçage rotatif selon la revendication 5 ou 6, caractérisé en ce que le corps de rouleau (4) présente un filet extérieur (38) et le couvercle de serrage (36) présente un filet intérieur complémentaire (37) pour le vissage (s) du couvercle de serrage (36) sur le corps de rouleau (4).
  8. Dispositif de matriçage rotatif selon l'une quelconque des revendications 5 à 7, caractérisé en ce que l'on choisit comme élastomère pour ladite au moins une bague élastomère (32) un caoutchouc butadiène-acrylonitrile.
  9. Dispositif de matriçage rotatif selon l'une quelconque des revendications précédentes, caractérisé en ce que la douille d'outil (18) est de forme tubulaire avec une surface latérale fermée.
  10. Dispositif de matriçage rotatif selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la douille d'outil (17) est de forme tubulaire avec une surface latérale fendue, et en ce que la bague de serrage (31) présente une pièce de jonction (34) et les deux côtés longitudinaux de la douille d'outil (17) sont assemblés avec la pièce de jonction (34), en particulier par emboîtement.
EP13195594.0A 2013-01-25 2013-12-04 Dispositif de matriçage rotatif avec système de serrage et réglage d'angle Active EP2759397B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013001247.3A DE102013001247A1 (de) 2013-01-25 2013-01-25 Rotationsprägeeinrichtung mit Spannsystem und Winkeleinstellung

Publications (3)

Publication Number Publication Date
EP2759397A2 EP2759397A2 (fr) 2014-07-30
EP2759397A3 EP2759397A3 (fr) 2017-03-29
EP2759397B1 true EP2759397B1 (fr) 2019-02-13

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Application Number Title Priority Date Filing Date
EP13195594.0A Active EP2759397B1 (fr) 2013-01-25 2013-12-04 Dispositif de matriçage rotatif avec système de serrage et réglage d'angle

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US (1) US9205624B2 (fr)
EP (1) EP2759397B1 (fr)
CN (1) CN103963356B (fr)
DE (1) DE102013001247A1 (fr)

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CN111871732B (zh) * 2020-07-08 2023-05-05 中科天工（武汉）智能技术有限公司 具有压痕线的面纸上胶方法
CN113059862B (zh) * 2021-03-20 2022-10-11 浙江博力莫新材料科技有限公司 一种水性革生产的离型纸压纹装置及其工作方法

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GB671431A (en) * 1948-10-01 1952-05-07 Maschf Augsburg Nuernberg Ag Improvements in or relating to means for securing the forme plates of rotary printing machines
US3264978A (en) * 1964-08-11 1966-08-09 Philip Morris Inc Rotary embossing machines
US4003114A (en) * 1976-02-25 1977-01-18 Armstrong Cork Company Compressible sleeve embossing roll
US4982639A (en) * 1988-10-31 1991-01-08 Robud Company Die cutting anvil system
DE3940744C2 (de) * 1989-12-09 1994-03-17 Hansmann Erich Dipl Ing Walze für eine Vorrichtung zum Bearbeiten von bahn- oder tafelförmigem Material
FR2885068B1 (fr) * 2005-04-28 2007-10-19 Komori Chambon Sa Sa Dispositif mecanique de fixation amovible d'un manchon sur un arbre porteur d'une machine a imprimer
CN200984835Y (zh) * 2006-12-26 2007-12-05 佛山市南海东方纸箱机械实业有限公司 纸箱印刷开槽机自动或电动调整薄刀片式切槽机构
DE202008017133U1 (de) 2008-09-02 2009-03-05 WINKLER+DüNNEBIER AG Magnetwalze zum Schneiden und/oder Prägen von Materialbahnen oder -zuschnitten
EP2275259A1 (fr) * 2009-07-14 2011-01-19 Pantec GS Systems AG Unité d'impression ou de gaufrage et cylindre de travail correspondant
DE102010036011A1 (de) * 2010-08-31 2012-03-01 Heidelberger Druckmaschinen Ag Braillehülse
JP5848523B2 (ja) * 2011-05-31 2016-01-27 株式会社小森コーポレーション プレート・ダイ装着構造

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Also Published As

Publication number Publication date
EP2759397A3 (fr) 2017-03-29
US9205624B2 (en) 2015-12-08
CN103963356B (zh) 2018-02-23
EP2759397A2 (fr) 2014-07-30
US20140208966A1 (en) 2014-07-31
DE102013001247A1 (de) 2014-07-31
CN103963356A (zh) 2014-08-06

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