EP3227042B1 - Werkzeugspindel, transformationsgruppe einer ebenen auflagefläche und funktionsverfahren - Google Patents

Werkzeugspindel, transformationsgruppe einer ebenen auflagefläche und funktionsverfahren Download PDF

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Publication number
EP3227042B1
EP3227042B1 EP15801685.7A EP15801685A EP3227042B1 EP 3227042 B1 EP3227042 B1 EP 3227042B1 EP 15801685 A EP15801685 A EP 15801685A EP 3227042 B1 EP3227042 B1 EP 3227042B1
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EP
European Patent Office
Prior art keywords
mandrel
circuit
pressure
fluid
cooling
Prior art date
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Active
Application number
EP15801685.7A
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English (en)
French (fr)
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EP3227042A1 (de
Inventor
Philippe Clément
Pierre Robadey
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Bobst Mex SA
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Bobst Mex SA
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Publication of EP3227042A1 publication Critical patent/EP3227042A1/de
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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
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/22—Means for cooling or heating forme or impression cylinders
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/146—Cutting, e.g. perforating, punching, slitting or trimming using tools mounted on a drum
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/16—Cutting webs
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B31B50/256—Surface scoring using tools mounted on a drum
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/741—Moistening; Drying; Cooling; Heating; Sterilizing
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/88—Printing; Embossing
    • 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
    • B31F1/08—Creasing
    • B31F1/10—Creasing by rotary tools
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B31B2100/002—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed
    • 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

Definitions

  • the present invention relates to a rotary tool chuck for a transformation unit of a planar support.
  • the invention relates to a transformation unit comprising at least one rotary tool chuck.
  • the invention also relates to a method of operating a transformation unit of a planar support.
  • a support converting machine is intended for the manufacture of packaging.
  • an initial flat support such as a continuous strip of cardboard, is unwound and printed by a printing station comprising one or more printing units.
  • the flat support is then transferred to an introduction group, then to an embossing group, possibly followed by an upsetting group.
  • the flat support is then cut from a cutting group. After ejection of the waste zones, the poses obtained are sectioned to obtain individualized boxes.
  • the rotary transformation, embossing, upsetting, cutting, waste ejection, or printing units respectively comprise an upper cylindrical transformation tool, and a lower cylindrical transformation tool, between which the flat support circulates in order to be transformed.
  • the rotary transforming tools rotate at the same speed, but in the opposite direction to each other.
  • the flat support passes through the gap between the rotary tools, which shape a relief by embossing, shape a relief by upsetting, cut the flat support in rotary die-cut poses, eject the waste, or which print a pattern during the pressing. impression.
  • the operations of changing cylinders prove to be long and tedious.
  • the operator mechanically disconnects the cylinder to remove it from its drive mechanism.
  • the operator then takes the cylinder out of the transformation machine, and places the new cylinder back in the transformation machine by reconnecting it to its drive.
  • the weight of a cylinder is important, of the order of 50 kg to 2,000 kg. To remove it, the operator lifts it using a hoist.
  • the passage of the flat support in the successive processing groups tends to heat the flat support, in particular during its passage through the printing units.
  • the flat support heats, and in turn heats the rotating tools, because the latter, generally metallic, are very good thermal conductors.
  • the dimensions of a sleeve are therefore generally designed to limit the play between the sleeve and the mandrel during processing operations. A resulting difficulty is that when the transformer unit is stopped, the sleeve, which has a higher thermal conductivity than that of the mandrel, cools faster than the latter. The sleeve is then difficult to remove from the mandrel.
  • An object of the present invention is to provide a mandrel, a rotary tool, a unit for transforming a planar support, and an operating method which at least partially solve the drawbacks of the state of the art.
  • the rotary tool mandrel is characterized in that it comprises a fluidic cooling circuit, to allow circulation of a fluid at the level of the cylindrical core, and to cool the tool mandrel. rotary.
  • the pressure circuit and the cooling circuit are connected to one another, thus forming a single circuit with a single fluid.
  • a cooling circuit connection port is arranged at a front end of the mandrel and a pressure circuit connection port is arranged at a rear end of the mandrel.
  • the connection ports are for example aligned on an axis of rotation of the mandrel.
  • connection ports comprise a respective connection element of the mandrel, intended to cooperate with a complementary connection element of the transformation group to connect the fluidic pressure circuit to the fluidic cooling circuit.
  • the connecting elements and the complementary connecting elements are of the quick-connect type, taking a closed position when they are disconnected, and an open position allowing the passage of a fluid when connected. This automatically closes the pressure circuit when the additional connecting elements are disconnected.
  • the pressure circuit has a portion in the form of a tube, coaxial with the axis of rotation of the mandrel, around the cylindrical core.
  • the pressure circuit has at least one axial duct portion formed in each journal of the mandrel, the axial duct portion connecting a connection port.
  • the pressure circuit comprises at least a portion of a duct connecting each portion of an axial duct to the portion in the form of a tube.
  • a further subject of the invention is a unit for transforming a flat support such as a unit for upsetting, embossing, rotary die-cutting, waste ejection, or printing, comprising at least one mandrel as described. and claimed below.
  • the cooling circuit is intended to be connected to a cooling module configured to cool the fluid.
  • the cooling circuit is connected to the pressure circuit and for example forms a closed circuit.
  • the circulation of the fluid in the pressure circuit for cooling the mandrel is for example carried out in a closed circuit.
  • the connection port of the pressure circuit connected to the cooling circuit to secure the sleeve to the mandrel is for example the connection port arranged at the rear of the mandrel, on the opposite conductor side.
  • control of the attachment of the sleeve to the mandrel or the control of the cooling of the mandrel can be easily controlled and automated by the commands for connecting or disconnecting the pressure circuit to the cooling circuit.
  • the longitudinal, vertical and transverse directions indicated on the Fig. 2 are defined by the trihedron L, V, T.
  • the transverse direction T is the direction perpendicular to the direction of longitudinal displacement L of the plane support.
  • the horizontal plane corresponds to the plane L, T.
  • the front and rear positions are defined with respect to the transverse direction T, as being respectively the driver's side and the opposite driver's side.
  • a line for converting a flat support such as flat cardboard or paper in a continuous strip wound on a reel, makes it possible to carry out various operations and to obtain packaging such as folding boxes.
  • the converting line comprises, arranged one after the other in the running order of the flat support, an unwinding station 1, several printing units 2, one or more embossing units in series followed by a or several upsetting groups in series 3, followed by a rotary cutting group 4 or plate cutting, and a receiving station 5 for the articles made.
  • the converting group 7 comprises an upper rotary tool 10 and a lower rotary tool 11, which modify the planar support by printing, embossing, upsetting, cutting, ejecting waste, etc., in order to obtain a package.
  • the rotary tools 10 and 11 are mounted parallel to each other in the transformation group 7, one above the other, and extend in the transverse direction T, which is also the direction of the axes of rotation A1 and A2 of the rotary tools 10 and 11 (see Fig. 2 ).
  • the rear ends of the rotary tools 10 and 11, on the side opposite the driver, are driven in rotation by motorized drive means.
  • the rotary tools 10 and 11 rotate in opposite directions around each of the axes of rotation A1 and A2 (arrows Fs and Fi).
  • the flat support passes through the gap located between the rotary tools 10 and 11, to be embossed therein, and / or upset, and / or cut, and / or printed.
  • At least one of the two rotary tools, the upper rotary tool 10 or the lower rotary tool 11, comprises a mandrel 12 and a removable sleeve 13, insertable on the mandrel 12 in the transverse direction T ( Fig. 2 , Arrow G).
  • a mandrel 12 and a removable sleeve 13 insertable on the mandrel 12 in the transverse direction T ( Fig. 2 , Arrow G).
  • the sleeves 13 are inexpensive compared to the price of the complete rotary tool 10 and 11. It is therefore advantageous to use the same mandrel 12 in combination with several sleeves 13, rather than providing for the acquisition of several complete rotary tools 10 and 11.
  • the sleeve 13 has a generally cylindrical shape. It is for example made of aluminum material.
  • the mandrel 12 comprises a cylindrical core 14, a front journal 15, a rear journal 16 on either side of the cylindrical core 14, forming a rotation shaft of the rotary tool, and a peripheral wall 17 surrounding the cylindrical core 14 ( Fig. 3 ).
  • the front and rear journals 15 and 16 have a generally cylindrical shape. They are respectively held by front and rear bearings 18, 19 of the transformation group 7.
  • the rear journals 16 of the rotary tools 10 and 11, on the opposite driver's side are driven in rotation by a motorized drive system 20.
  • the elements of the mandrel 12, that is to say the cylindrical core 14, the front and rear journals 15 and 16 and the peripheral casing 17, are made of metallic material, such as steel.
  • the peripheral wall 17, cylindrical, can take a rest position and a blocking position in which the peripheral wall 17 exerts a radial pressure on the sleeve 13 to block the latter in position on the mandrel 12, for example by radial deformation of the peripheral wall 17.
  • the mandrel 12 also comprises a fluidic tool pressure circuit 21 formed in part between the peripheral wall 17 and the cylindrical core 14 ( Figs. 4 and 5 ), to control the exertion of radial pressure through the peripheral wall 17.
  • the pressure circuit 21 is intended to receive a fluid for pressing the peripheral wall 17 against the inner casing surface of the sleeve 13 to keep the sleeve 13 in place.
  • the sleeve 13 thus held firmly to the mandrel 12 can be driven in rotation about the axis of rotation A1 and A2.
  • the fluid is, for example, oil.
  • the pressure circuit 21 comprises a connection port 22 to a cooling fluid circuit 24 of the transformation unit 7, to allow circulation of a fluid in the pressure circuit 21 for cooling the mandrel 12.
  • a connection port 22 is arranged at a front end of the mandrel 12.
  • the pressure circuit 21 comprises another connection port 23 arranged at a rear end of the mandrel 12.
  • the pressure circuit 21 can thus emerge from the mandrel 12 by a orifice of the connection port 22 provided in the front journal 15 and by an orifice of the connection port 23 provided in the rear journal 16.
  • the connection ports 22 and 23 are for example aligned with the axis of rotation A1 or A2 of the mandrel 12, arranged at the respective ends of the front and rear journals 15 and 16.
  • the pressure circuit 21 has axial symmetry.
  • the pressure circuit 21 has a tube-shaped portion 21a, two axial duct portions 21b and two radial duct portions 21c ( Fig. 5 ).
  • the axial and radial duct portions 21b, 21c are linear.
  • the tube-shaped portion 21a is coaxial with the axis of rotation A1 or A2 of the mandrel 12. It is formed around the cylindrical core 14.
  • the peripheral wall 17 is for example shrink-wrapped and then welded to the cylindrical core 14 leaving an interstice of a few millimeters forming the tube-shaped portion 21a of the pressure circuit 21.
  • the axial duct portions 21b are aligned with the axis of rotation A1 and A2 of the mandrel 12, and are formed in a respective journal 15 and 16.
  • Each axial duct portion 21b connects a connection port 22 and 23 to a radial duct portion 21c forming a right angle.
  • Each radial duct portion 21c extends radially to connect an axial duct portion 21b at two diametrically opposed locations from one end of the tube-shaped portion 21a.
  • This embodiment of the pressure circuit 21 is simple to produce and makes it possible to maintain the sleeve 13 uniformly over its entire interior envelope surface.
  • the pressure circuit 21 is intended to be connected to the cooling circuit 24, for example by forming a closed circuit (see Fig. 4 ).
  • the transformation group 7 also comprises a cooling module 25 configured to cool the fluid circulating in the cooling circuit 24.
  • the cooling module 25 comprises for example a pump for circulating the fluid in the cooling circuit 24 and a heat exchanger capable of cooling the fluid. circulating in the cooling circuit 24.
  • connection ports 22 and 23 comprise a respective connection element 26 of the mandrel 12, intended to cooperate with a complementary connection element 27 of the transformation group 7 to connect the pressure circuit 21 to the cooling circuit. 24.
  • connection elements 26 are for example separate elements, mounted tight in an orifice of the respective connection port 22 and 23 of the pressure circuit 21.
  • connection elements 26 and the complementary connection elements 27 are for example of the quick-connect type.
  • the ends of the connecting elements 26 and 27 cooperating together are for example of the male-female type.
  • the quick couplings are further configured to assume a closed position when they are disconnected from one another and an open position allowing passage of fluid when they are connected together. This makes it possible to automatically close the pressure circuit 21 when they are disconnected, necessary for the exercise of the radial pressure by the peripheral wall 17 in order to secure the sleeve 13 to the mandrel 12.
  • connection port 22 and 23 of the pressure circuit 21, such as the connection port 23 arranged at the The rear of the mandrel 12 is only connected.
  • the connection element 26 of the connection port 22 arranged at the front of the mandrel 12 is then in the closed position, closing the pressure circuit 21 ( Fig. 5 ).
  • a fluid is sent into the pressure circuit 21.
  • the cooling circuit 24 is isolated from the cooling module 25.
  • the pressure exerted by the fluid in the pressure circuit 21 then pushes the peripheral wall 17 radially, in the blocked position. , pressing it against the inner shell surface of the sleeve 13, which secures the sleeve 13 firmly to the mandrel 12.
  • At least one of the two connection elements 26 of the mandrel 12 remains connected to the complementary connection element 27 of the transformation group 7.
  • the sleeve 13 thus firmly held to the mandrel 12 can be driven in rotation by the mandrel 12 for the production of plan support transformation operations.
  • connection elements 26 then connected to the complementary connection elements 27, allow the circulation of the fluid through the cooling circuit 24. , forming a closed circuit, to be cooled by the cooling module 25, and to cool the mandrel 12.
  • the mandrel 12 and the sleeve 13 can then be cooled. When it is sufficiently cooled, and that the peripheral wall 17 is in the rest position, the sleeve 13 can be easily removed.
  • the pressure circuit 21 used for securing the sleeve 13 to the mandrel 12 is thus also used for cooling the mandrel 12 when the transformation group 7 is stopped.
  • This second use of the pressure circuit 21 makes it possible to accelerate the cooling of the transformer. mandrel 12 to release the sleeve 13 more easily and quickly.
  • the control of the attachment of the sleeve 13 to the mandrel 12 or the cooling of the mandrel 12 can be easily controlled and automated by the commands for the connection or disconnection of the circuit. pressure 21.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Drilling And Boring (AREA)

Claims (14)

  1. Spannfutter für ein Drehwerkzeug für eine Gruppe zur Umformung eines flachen Trägers, auf den eine Hülse (13) aufgesetzt werden soll, umfassend :
    - einen zylindrischen Kern (14),
    - eine Umfangswand (17), die in der Lage ist, eine Ruheposition und eine Verriegelungsposition einzunehmen, indem sie einen radialen Druck auf die Hülse (13) ausübt, um sie in der Position auf dem Spannfutter (12) zu verriegeln, und
    - einen Druckfluidkreislauf (21), der zwischen der Umfangswand (17) und dem zylindrischen Kern (14) angeordnet ist, um einen radialen Druck auf die Hülse (13) auszuüben,
    - einen Kühlfluidkreislauf (24), um eine Zirkulation eines Fluids im Bereich des zylindrischen Kerns (14) zu ermöglichen und das Spannfutter (12) zu kühlen,
    dadurch gekennzeichnet, dass
    - der Druckfluidkreislauf (21) und der Kühlfluidkreislauf (24) miteinander verbunden sind, wobei der Druckfluidkreislauf (21) zwei Verbindungsanschlüsse (22, 23) zum Kühlfluidkreislauf (24) umfasst, um eine Zirkulation eines Fluids im Druckfluidkreislauf (21) zum Kühlen des Spannfutters (12) zu ermöglichen.
  2. Spannfutter nach Anspruch 1, wobei ein Verbindungsanschluss (22) an einem vorderen Ende des Spannfutters (12) und ein Verbindungsanschluss (23) an einem hinteren Ende des Spannfutters (12) angeordnet ist.
  3. Spannfutter nach Anspruch 2, wobei die Verbindungsanschlüsse (22, 23) auf eine Drehachse (A1, A2) des Spannfutters (12) ausgerichtet sind.
  4. Spannfutter nach einem der vorstehenden Ansprüche, wobei die Verbindungsanschlüsse (22, 23) jeweils ein Verbindungselement (26) des Spannfutters (12) aufweisen, das dazu bestimmt ist, mit einem komplementären Verbindungselement (27) der Umformungsgruppe (7) zusammenzuwirken, um den Druckkreislauf (21) mit dem Kühlkreislauf (24) zu verbinden.
  5. Spannfutter nach Anspruch 4, wobei die Verbindungselemente (26) und die komplementären Verbindungselemente (27) vom Schnellverbindungstyp sind, die eine Verschlussposition einnehmen, wenn sie getrennt sind, und eine Öffnungsposition, die den Durchgang eines Fluids erlaubt, wenn sie verbunden sind.
  6. Spannfutter nach einem der vorstehenden Ansprüche, wobei der Druckkreislauf (21) einen zur Drehachse (A1, A2) des Spannfutters (12) koaxialen, rohrförmigen Abschnitt (21a) um den zylindrischen Kern (14) aufweist.
  7. Spannfutter nach einem der vorstehenden Ansprüche, wobei der Druckkreislauf (21) zumindest einen axialen Leitungsabschnitt (21b) aufweist, der in jedem Zapfen (15, 16) des Spannfutters (12) angeordnet ist, wobei der axiale Leitungsabschnitt (21b) einen Verbindungsanschluss (22, 23) verbindet.
  8. Spannfutter nach Anspruch 7, wobei der Druckkreislauf (21) zumindest einen Leitungsabschnitt (21c) umfasst, der jeden axialen Leitungsabschnitt (21b) mit dem rohrförmigen Abschnitt (21a) verbindet.
  9. Gruppe zur Umformung eines flachen Trägers, umfassend mindestens ein Spannfutter (12) nach einem der vorstehenden Ansprüche.
  10. Gruppe nach Anspruch 9, wobei der Kühlkreislauf (24) mit einem Kühlmodul (25) zur Kühlung des Fluids verbunden ist.
  11. Gruppe nach Anspruch 10, wobei der Druckkreislauf (21), der mit dem Kühlkreislauf (24) verbunden ist, einen geschlossenen Kreislauf bildet.
  12. Verfahren zum Betreiben einer Umformungsgruppe nach einem der Ansprüche 9 bis 11, umfassend die Schritte bestehend aus dem:
    - Verbinden von nur einem der beiden Verbindungsanschlüsse (22, 23) des Druckkreislaufs (21) mit dem Kühlkreislauf (24),
    - Zuführen von Fluid in den Druckkreislauf (21), damit die Umfangswand (17) einen radialen Druck auf die Hülse (13) ausübt, um die Hülse (13) in ihrer Position auf dem Spannfutter (12) zu verriegeln, und
    - Verbinden der beiden Verbindungsanschlüsse (22, 23) des Druckkreislaufs (21) mit dem Kühlkreislauf (24) und Umwälzen eines gekühlten Fluids im Druckkreislauf (21) zur Kühlung des Spannfutters (12).
  13. Verfahren nach Anspruch 12, wobei die Zirkulation des Fluids im Druckkreislauf (21) zur Kühlung des Spannfutters (12) in einem geschlossenen Kreislauf durchgeführt wird.
  14. Verfahren nach Anspruch 12 oder 13, wobei der mit dem Kühlkreislauf verbundene Verbindungsanschluss (23) des Druckkreislaufs (21) zur Befestigung der Hülse (13) am Spannfutter (12) der an der Rückseite des Spannfutters (12) auf der gegenüberliegenden Leiterseite angeordnete Verbindungsanschluss (23) ist.
EP15801685.7A 2014-12-04 2015-11-20 Werkzeugspindel, transformationsgruppe einer ebenen auflagefläche und funktionsverfahren Active EP3227042B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14020104 2014-12-04
PCT/EP2015/025086 WO2016087047A1 (fr) 2014-12-04 2015-11-20 Mandrin d'outil rotatif, groupe de transformation d'un support plan, et procede de fonctionnement

Publications (2)

Publication Number Publication Date
EP3227042A1 EP3227042A1 (de) 2017-10-11
EP3227042B1 true EP3227042B1 (de) 2021-12-08

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Country Link
US (1) US10464276B2 (de)
EP (1) EP3227042B1 (de)
JP (1) JP6445159B2 (de)
KR (1) KR20170086084A (de)
CN (1) CN107107518B (de)
ES (1) ES2902695T3 (de)
WO (1) WO2016087047A1 (de)

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CN109177314A (zh) * 2018-10-25 2019-01-11 宁夏金世纪包装印刷有限公司 一种包装加工用三头压合气缸
DE102021129739A1 (de) * 2021-11-15 2023-05-17 Matthews International GmbH Sleeve-Wechsel-Kalander für das rotative Verprägen einer mehrlagigen Tissue-Bahn

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JP6445159B2 (ja) 2018-12-26
WO2016087047A1 (fr) 2016-06-09
ES2902695T3 (es) 2022-03-29
US10464276B2 (en) 2019-11-05
KR20170086084A (ko) 2017-07-25
CN107107518B (zh) 2020-11-06
JP2018505789A (ja) 2018-03-01
US20170305095A1 (en) 2017-10-26
CN107107518A (zh) 2017-08-29
EP3227042A1 (de) 2017-10-11

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