EP3227068B1 - Transformationsgruppe einer ebenen auflagefläche sowie demontage- und montageverfahren eines drehwerkzeugs in einer transformationsgruppe - Google Patents

Transformationsgruppe einer ebenen auflagefläche sowie demontage- und montageverfahren eines drehwerkzeugs in einer transformationsgruppe Download PDF

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Publication number
EP3227068B1
EP3227068B1 EP15805399.1A EP15805399A EP3227068B1 EP 3227068 B1 EP3227068 B1 EP 3227068B1 EP 15805399 A EP15805399 A EP 15805399A EP 3227068 B1 EP3227068 B1 EP 3227068B1
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EP
European Patent Office
Prior art keywords
bearings
tool
screw
rotary
holder column
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
EP15805399.1A
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English (en)
French (fr)
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EP3227068A1 (de
Inventor
Boris BÉGUIN
Philippe Clément
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.)
Bobst Mex SA
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Bobst Mex SA
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Publication date
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Publication of EP3227068A1 publication Critical patent/EP3227068A1/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
    • 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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B26D7/265—Journals, bearings or supports for positioning rollers or cylinders relatively to each other
    • 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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • 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
    • 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
    • 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
    • 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
    • B31B50/25—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
    • B31B50/88—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
    • 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
    • B31F2201/0753—Roller supporting, positioning, driving means
    • 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
    • B31F2201/0771—Other aspects of the embossing operations
    • B31F2201/0776—Exchanging embossing tools

Definitions

  • the present invention relates to a transformation unit for a planar support.
  • the invention also relates to a method of dismantling and a method of mounting at least one rotary tool in a processing unit.
  • 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 form a relief by embossing, form a relief by upsetting, cut the flat support in poses in rotary die-cut, eject the waste, or which print a pattern during printing .
  • the operations of changing cylinders are long and tedious.
  • the operator mechanically disconnects the cylinder to remove it from its drive mechanism. Then the operator takes the cylinder out of the transformation machine, and puts 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.
  • An object of the present invention is to provide a tool holder upright for a transformation group of a planar support, a transformation group, a method for removing a rotary tool and an assembly method which at least partly solve the drawbacks. of the state of the art.
  • the vertical mobility of the two bearings makes it possible to adjust the spacing between the rotary tools, in particular to adjust the gap between the tools.
  • the gap between the upper tool and the lower tool can be adjusted during production.
  • this makes it possible to move the rotary tools by drives having a precision of movement adjustment and a high performance holding rigidity, which are important constraints to be observed for the good performance of the transformation operations.
  • the concordance of the cutting, embossing and upsetting zones can thus in particular be ensured.
  • Cutting, embossing or upsetting operations are also carried out with the same quality over the entire surface of the flat support.
  • the screw device comprises at least one screw extending in the vertical direction and comprising an upper helix cooperating with the bearing in which the upper bearing is formed and a lower helix cooperating with the bearing in which is formed the lower bearing, the direction of the upper propeller being reversed with respect to the direction of the lower propeller.
  • the screw device allows the simultaneous ascent and descent of the two bearings at the same speed.
  • the use of screw devices allows the displacement of high loads such as those of rotary tools while offering high-performance adjustment precision and with good holding rigidity.
  • Another advantage is that the screw devices are robust and can maintain the vertical positioning of the bearings without drift even under the effect of vibrations which may occur in the frame of the transformation group.
  • the screw device comprises at least one roller screw.
  • the large number of contact points allows the roller screws to withstand heavy loads while offering high-performance translational movement adjustment precision.
  • the diameter of the screw can therefore be large relative to the screw pitch which can be small, which makes it possible to withstand high loads while having excellent movement adjustment precision, and which makes it possible to guarantee irreversibility of the vertical movement of the bearings.
  • the screw device comprises a first and a second screw arranged parallel to one another, on each side of the upper and lower bearings.
  • the two screws ensure a balanced and reinforced hold of the bearings.
  • the screw device comprises a motorized device configured to drive the simultaneous rotation of the first and the second screw.
  • the motorized device comprises a first and a second toothed belt, for synchronous transmission without slipping.
  • the first toothed belt is driven in rotation by a motor axis of the motorized device and driving in rotation a first pulley of the screw device, mounted at the end of the first screw.
  • the second toothed belt is also driven in rotation by the motor axis and driving in rotation a second pulley of the screw device, mounted at the end of the second screw.
  • the bearings have substantially identical shapes, mounted opposite.
  • the bearings have for example respective general shapes elongated in the longitudinal direction of movement of the flat support.
  • the bearings and a body of the tool-holder upright comprise complementary means for guiding in vertical translation.
  • at least one bearing is movable outside a central passage allowing the extraction or insertion of at least one rotary tool.
  • the transformation group comprises a tool holder upright movable in translation in a direction parallel to the axis of the rotary tools, between an operational position in which the upper and lower bearings can cooperate with the ends of the tools.
  • rotary and a maintenance position in which the tool holder post is moved away from the operational position.
  • the mobility of the tool holder upright allows the ends of the rotating tools to be disengaged from their respective bearings, so that they can then be offset vertically from each other so as to clear a central passage allowing access to the bearings.
  • rotary tools It also makes it possible to offset the bearings from one another during the maintenance phase, once the bearings on the driver's side have been disengaged from the rotating tools, to free a central passage allowing access to the rotating tools.
  • the mobile tool-holder upright is for example the tool-holder upright arranged at the front, on the driver's side, which is not encumbered by the motorized means for driving the rotary tools.
  • the tool holder upright and a base of the transformation unit include complementary translational guiding means.
  • the transformation unit comprises a processing unit configured to control independently on the one hand, the vertical displacement of the bearings of a tool holder upright. of the transformation group arranged at the front and on the other hand, the vertical displacement of the bearings of a tool holder upright of the transformation group arranged at the rear.
  • the upper and lower bearings movable vertically in opposite directions, on either side of the longitudinal direction of movement of the plane support, thus allow the simple assembly / disassembly of the rotary tools while ensuring a rigid and precise holding of the rotary tools in functioning.
  • 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 cardboard or continuous strip paper wound into a reel, allows various operations to be carried out 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 groups of upsetting in series 3, followed by a rotary cutting unit 4 or plate cutting, and a receiving station 5 for the manufactured objects.
  • the processing group 7 comprises an upper rotary tool 10 and a lower rotary tool 11, which modify the flat 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 opposite driver's side, 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).
  • the sleeve 13 has a generally hollow and cylindrical shape.
  • the mandrel 12 comprises a cylindrical core, a front end, and a rear end, located on either side of the cylindrical core.
  • the transformation group 7 comprises a front upper bearing 14, intended to support the front end of the upper rotary tool 10, and a front lower bearing 15, intended to support the front end of the lower rotary tool 11.
  • the transformation group 7 comprises a rear upper bearing 16, intended to support the rear end of the upper rotary tool 10, and a rear lower bearing 17, intended to support the rear end of the lower rotary tool 11.
  • the bearings upper and lower 14, 15, 16 and 17 are aligned two by two vertically one above the other.
  • the rear ends of the rotary tools 10 and 11, on the side opposite the driver, are driven in rotation by a respective motorized means 18.
  • the transformation group 7 comprises a tool holder upright 19 arranged at the front of the frame and a tool holder upright 20 arranged at the rear of the frame.
  • the tool-holder uprights 19 and 20 extend vertically.
  • At least the body 9 of the tool holder upright 19 arranged at the front has the form of a frame with a central passage 35.
  • the tool-holder uprights 19 and 20 respectively comprise an upper front bearing 14 and rear 16 and a lower front bearing 15 and rear 17.
  • the bearings 14, 15, 16 and 17 are movable vertically in opposite directions, on both sides. another of the longitudinal direction L of displacement of the plane support.
  • the movements of stages 14, 15, 16 and 17 are represented by the double arrows Pa and Pr on the Fig. 3 .
  • the tool holder upright 19 and 20 can also be provided with a common drive of the bearings 14, 15, 16 and 17 allowing simultaneous displacement of the bearings 14, 15, 16 and 17 by the same distance in opposite directions.
  • the upper and lower bearings 14, 15, 16 and 17 can be moved vertically symmetrically, simultaneously and at the same speed.
  • the common drive comprises a screw device 25.
  • the bearings 14, 16 and 15, 17 are mounted one above the other two by two, on a screw device 25 of a respective tool holder post 19 and 20, so that the rotation of the screw device 25 causes the bearings 14, 16 and 15, 17 to move linearly in opposite vertical directions V.
  • the screw device 25 comprises at least one screw 26a, 26b extending in the vertical direction V and successively passing through the bearings 14, 16 and 15, 17 having an associated thread.
  • the screw 26a and 26b comprises an upper propeller cooperating with the upper bearing 14 or 16, and a lower propeller cooperating with the lower bearing 15 or 17.
  • the direction of the upper propeller is reversed with respect to the direction of the lower propeller, so that the rotation of the screw 26a and 26b drives the upper bearing 14 or 16 upwards and the lower bearing 15 or 17 downwards.
  • the screw devices 25 allow the displacement of high loads such as those of the rotary tools 10 and 11 while offering high-performance adjustment precision of the movement and with good holding rigidity. Another advantage is that the screw devices 25 are robust and can maintain the vertical positioning of the bearings 14, 15, 16 and 17 without drift even under the effect of vibrations which may occur in the frame of the transformation group 7.
  • the screw 26a and 26b has for example a diameter of between 40mm and 60mm, such as of the order of 50mm, and a thread of between 0.5mm and 2mm, such as that of the order of 1mm.
  • the screw has, for example, a screw thread, the manufacturing tolerance of which is less than ten microns.
  • the diameter of the screw 26a, 26b can therefore be large relative to the screw pitch which is small, which allows the support of high loads while having excellent precision in the adjustment of the movement.
  • the screw 26a and 26b is a roller screw, also called satellite roller screw or planetary roller screw.
  • the roller screws have nuts 27 which have rollers, arranged in a cylindrical ring of the respective bearing 14, 15, 16 and 17, around the screw 26a and 26b.
  • the rollers of the nuts 27 perform the rolling function (see Fig. 6 ).
  • the large number of contact points allows the roller screws to withstand high loads and guarantee high rigidity.
  • the screw device 25 comprises (visible on the exemplary embodiment of Figs. 5, 6 , 7 and 8 ) a first and a second screw 26a and 26b arranged parallel to each other, on each side of the upper and lower bearings 14, 15 or 16 and 17 passing through the bearings 14, 16 or 15, 17. Both screws 26a and 26b thus arranged ensure a balanced and reinforced hold of the respective bearings 14, 16, 15, 17.
  • the bearings 14, 16 or 15, 17 have substantially identical shapes, mounted opposite.
  • the bearings 14, 16 or 15, 17 have for example respective general shapes elongated in the longitudinal direction L of movement of the flat support.
  • the screw device 25 comprises a motorized device having a motor 29, the motor axis 31 of which is connected to the screws 26a and 26b so as to drive their simultaneous rotation.
  • the motorized device comprises for example a first and a second synchronous belt 30a and 30b.
  • the first belt 30a is driven by the motor shaft 31 and drives in rotation a first pulley 32a of the screw device 25, mounted at the end of the first screw 26a.
  • the first pulley 32a is integral in rotation with the first screw 26a.
  • the second belt 30b is also driven by the motor shaft 31, and drives in rotation a second pulley 32b of the screw device 25, mounted at the end of the second screw 26b.
  • the second pulley 32b is integral in rotation with the second screw 26b.
  • the rotation of the motor shaft 31 causes the simultaneous rotation of the first and second screw 26a and 26b of the screw device 25 and thus the ascent / descent at the same speed of the two bearings 14, 15, 16 and 17.
  • the device motorized ensures that screws 26a and 26b rotate at the same speed so that the respective bearing 14, 15, 16 and 17 does not go down / up askew.
  • the bearings 14, 15, 16 and 17 and the body 9 of the tool holder upright 19 and 20 may also include complementary means for guiding in vertical translation V. More precisely (see Fig. 6 ), at least one vertical guide rail 33 is for example arranged along the body 9 of the tool holder upright 19 or 20.
  • the bearings 14, 15, 16 and 17 comprise a complementary vertical guide jaw 34 in screw form -à-à-vis (or vice versa).
  • two vertical guide rails 34 can be arranged in parallel between the body 9 and the screw device 25, on each side of the upper and lower bearings 14, 15, 16 and 17.
  • one of the tool-holder uprights 19 and 20 can be movable in translation in a direction parallel to the axis of the rotary tools 10 and 11 (arrows C on the Fig. 3 ), that is to say mobile in transverse translation, between an operational position in which the upper and lower bearings 14, 15, 16 and 17 can cooperate with the ends of the upper 10 and lower 11 rotary tools, and a position of maintenance in which the tool holder post 19 is moved away from the operational position.
  • the mobile tool-holder upright is for example the tool-holder upright 19 arranged at the 'front of the frame of the transformation group 7, driver's side, because it is not encumbered by the motorized means 18 for driving the rotary tools 10 and 11.
  • the tool holder upright 20 arranged at the rear 36 of the frame is fixed.
  • the tool holder upright 19 and a base 36 of the transformation unit 7 may include complementary means for guiding in transverse translation T. More precisely, the tool holder upright 19 has for example at least one transverse slide 37 facing each other. screw of a complementary transverse guide rail 38 arranged in the upper part of the base 36 and extending in the transverse direction T (or vice versa). For example two transverse guide rails 38 can be arranged in parallel under the tool holder upright 19 arranged at the front.
  • At least one of the bearings 14, 15, 16 and 17 is movable outside the central passage 35 of the tool holder upright 19, allowing the extraction or insertion of at least one rotary tool 10 and 11.
  • the transverse mobility of the tool holder post 19 allows the ends of the rotary tools 10 and 11 to be disengaged from their respective bearings 14 and 15, so that they can then be shifted vertically from each other, so as to clear a central passage 35 allowing access to the rotary tools 10 and 11.
  • the upper or lower front bearings 14 and 15 can be movable between a close position (see Fig. 7 ) for example when the transformation group 7 is at rest and does not include rotary tools 10 and 11, or only chucks 12, and a maintenance position or during a change of work, in which the two upper bearings and lower front 14, 15 are spaced from each other, leaving a central passage 35 open allowing the extraction or insertion of rotary tools 10 and 11 complete, sleeves 13 or chucks 12 (see Fig. 8 ).
  • the transformation unit 7 comprises for example a processing unit configured to control independently on the one hand, the vertical displacement of the bearing support carriages 14 and 16 of the tool holder upright 19 arranged at the front and on the other hand, the vertical displacement of the bearings 15 and 17 of the tool holder upright 20 arranged at the rear.
  • the operator moves the bearings 14 and 16 of the tool holder upright 19 arranged at the front, vertically in opposite directions, with a large amplitude, so that they are positioned outside a central passage 35 allowing the '' extraction of the rotary tools 10 and 11 (arrows F3 in Fig. 11 ).
  • the operator can then access the rotary tools 10 and 11 and change a rotary tool 10 and 11, a sleeve 13 or a mandrel 12 (arrows F4 in Fig. 12 ).
  • the assembly and disassembly of the rotary tools 10 and 11 are thus facilitated.
  • the vertical mobility of the bearings 14, 15, 16 and 17 makes it possible to adjust the spacing between the rotary tools 10 and 11 in particular to adjust the radial interval between the tools 10 and 11, this in production or at standstill, while while maintaining rigidity. It also makes it possible to offset the bearings 14, 15, 16 and 17 from one another during the maintenance phase, once the bearings 14, 15, 16 and 17 have been disengaged from the rotary tools 10 and 11, to free a central passage. 35 allowing access to the rotary tools 10 and 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Milling Processes (AREA)
  • Machine Tool Units (AREA)
  • Details Of Cutting Devices (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Claims (13)

  1. Umformungsaggregat (7) eines flachen Trägers, das umfasst:
    - zwei obere Lager (14, 16), die jeweils dazu bestimmt sind, ein Ende eines oberen Drehwerkzeugs (10) zu tragen, und
    - zwei untere Lager (15, 17), die jeweils dazu bestimmt sind, ein Ende eines unteren Drehwerkzeugs (11) zu tragen, wobei der flache Träger dazu bestimmt ist, sich längs zwischen dem oberen Drehwerkzeug (10) und dem unteren Drehwerkzeug (11) zu verlagern, wobei die oberen Lager (14, 16) und die unteren Lager (15, 17) vertikal in entgegengesetzte Richtungen zu beiden Seiten der Verlagerungslängsrichtung (L) des flachen Trägers beweglich sind,
    - mindestens einen Werkzeugträgerständer (19, 20) des Umformungsaggregats (7), der einen gemeinsamen Antrieb eines oberen Lagers (14, 16) und eines unteren Lagers (15, 17) umfasst, der eine gleichzeitige Verlagerung der oberen (14, 16) und unteren Lager (15, 17) um dieselbe Distanz in entgegengesetzte Richtungen erlaubt, wobei mindestens ein gemeinsamer Antrieb eine Schraubenvorrichtung (25) umfasst, die oberen (14, 16) und unteren Lager (15, 17) eines über dem anderen auf der Schraubenvorrichtung (25) derart montiert sind, dass die Drehung der Schraubenvorrichtung (25) eine lineare Verlagerung der oberen (14, 16) und unteren Lager (15, 17) in entgegengesetzte Richtungen bewirkt,
    - dadurch gekennzeichnet, dass die Schraubenvorrichtung (25) eine erste und eine zweite Schraube (26a, 26b) umfasst, die parallel zueinander auf jeder Seite der oberen (14, 16) und unteren Lager (15, 17) eingerichtet sind und die oberen (14, 16) und unteren Lager (15, 17) durchqueren.
  2. Aggregat nach Anspruch 1, wobei sich die mindestens eine Schraube (26a, 26b) der Schraubenvorrichtung (25) in die vertikale Richtung (V) erstreckt und eine obere Helix aufweist, die mit dem Lager (14, 15) zusammenwirkt, in dem das obere Lager (14, 16) eingerichtet ist, und eine untere Helix, die mit dem Lager (16, 17), in dem das untere Lager (15, 17) eingerichtet ist, zusammenwirkt, wobei die Richtung der oberen Helix in Bezug auf die Richtung der unteren Helix umgekehrt ist.
  3. Aggregat nach einem der Ansprüche 1 oder 2, wobei die Schraubenvorrichtung (25) mindestens ein Rollengewinde umfasst.
  4. Aggregat nach einem der vorstehenden Ansprüche, wobei die Schraubenvorrichtung (25) eine motorisierte Vorrichtung umfasst, die dazu konfiguriert ist, die gleichzeitige Drehung der ersten und der zweiten Schraube (26a, 26b) anzutreiben.
  5. Aggregat nach Anspruch 4, wobei die motorisierte Vorrichtung einen ersten und einen zweiten Riemen (30a, 30b) umfasst, wobei der erste Riemen (30a) in Drehung von einer Antriebsachse (31) der motorisierten Vorrichtung angetrieben ist und eine erste Scheibe (32a) der Schraubenvorrichtung (25), die an dem Ende der ersten Schraube (26a) montiert ist, antreibt, wobei der zweite Riemen (30b) auch in Drehung von der Motorachse (31) angetrieben ist, und eine zweite Scheibe (32b) der Schraubenvorrichtung (25), die an dem Ende der zweiten Schraube (26b) montiert ist, antreibt.
  6. Aggregat nach einem der vorstehenden Ansprüche, wobei die Lager (14, 15, 16, 17) und ein Körper (9) des Werkzeugträgerständers (19) komplementäre Mittel zur Führung in vertikaler Verschiebung (33, 34) umfassen.
  7. Aggregat nach einem der vorstehenden Ansprüche, wobei mindestens ein Lager (14, 15, 16, 17) außerhalb eines zentralen Durchgangs (35), der das Herausziehen oder das Einsetzen mindestens eines Drehwerkzeugs (10, 11) erlaubt, beweglich ist.
  8. Aggregat nach einem der vorstehenden Ansprüche, wobei mindestens ein Lager der Werkzeugträgerständer (19) in Verschiebung in eine Richtung parallel zu der Achse der Drehwerkzeuge (10, 11) zwischen einer Betriebsposition, in der das obere und untere das Lager (14, 15) mit Enden der Drehwerkzeuge (10, 11) zusammenwirken können, und einer Wartungsposition, in der der Werkzeugträgerständer (19) von der Betriebsposition beabstandet ist, beweglich ist.
  9. Aggregat nach Anspruch 8, wobei der Werkzeugträgerständer (19) und ein Sockel (36) des Umformungsaggregats (7) komplementäre Mittel zur Führung in Verschiebung (37, 38) umfassen.
  10. Aggregat nach Anspruch 8 oder 9, wobei der Werkzeugträgerständer (19) an der Vorderseite, auf der Fahrerseite eingerichtet ist.
  11. Aggregat nach einem der Ansprüche 8 bis 10, das eine Verarbeitungseinheit umfasst, die dazu konfiguriert ist, unabhängig einerseits die vertikale Verlagerung der Lager (14, 16) eines Werkzeugträgerständers (19) des Umformungsaggregats (7), der an der Vorderseite eingerichtet ist, und andererseits die vertikale Verlagerung der Lager (15, 17) eines Werkzeugträgerständers (20) des Umformungsaggregats (7), der an der Rückseite eingerichtet ist, zu steuern.
  12. Demontageverfahren mindestens eines Drehwerkzeugs (10, 11) in einem Umformungsaggregat (7) nach einem der Ansprüche 1 bis 11, das die folgenden Schritte umfasst, die bestehen aus:
    - vertikalem Verlagern in entgegengesetzte Richtungen der Lager (14, 15, 16, 17),
    - Verlagern des Werkzeugträgerständers (19), der an der Vorderseite eingerichtet ist, derart, dass das obere und das untere Lager (14, 15) aus den Enden der Drehwerkzeuge (10, 11) ausgerückt werden, dann
    - vertikalem Verlagern in entgegengesetzte Richtungen der Lager (14, 16) des Werkzeugträgerständers (19), der an der Vorderseite eingerichtet ist, derart, dass die Lager (14, 16) außerhalb eines zentralen Durchgangs (35), der das Herausziehen der Drehwerkzeuge (10, 11) erlaubt, positioniert sind.
  13. Montageverfahren mindestens eines Drehwerkzeugs (10, 11) in einem Umformungsaggregat (7) nach einem der Ansprüche 1 bis 11, das die folgenden Schritte umfasst, die bestehen aus:
    - vertikalem Verlagern zueinander der Lager (14, 15) des Werkzeugträgerständers (19), der an der Vorderseite eingerichtet ist, dann
    - Verlagern des Werkzeugträgerständers (19), der an der Vorderseite eingerichtet ist, derart, dass die Enden der Drehwerkzeuge (10, 11) in das obere und das untere Lager (14, 15) einrücken.
EP15805399.1A 2014-12-04 2015-11-20 Transformationsgruppe einer ebenen auflagefläche sowie demontage- und montageverfahren eines drehwerkzeugs in einer transformationsgruppe Active EP3227068B1 (de)

Applications Claiming Priority (2)

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EP14020100 2014-12-04
PCT/EP2015/025087 WO2016087048A1 (fr) 2014-12-04 2015-11-20 Montant porte-outil, groupe de transformation d'un support plan, et procedes de demontage et montage d'un outil rotatif dans un groupe de transformation

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CN111152511B (zh) * 2020-02-27 2021-12-07 南通世和新型医用材料有限公司 一种纸塑复合袋裁剪机械及制作裁剪方法

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KR20170086086A (ko) 2017-07-25
JP6427671B2 (ja) 2018-11-21
ES2883418T3 (es) 2021-12-07
CN107107517B (zh) 2019-06-21
WO2016087048A1 (fr) 2016-06-09
CN107107517A (zh) 2017-08-29
JP2018501123A (ja) 2018-01-18
EP3227068A1 (de) 2017-10-11
US11052562B2 (en) 2021-07-06
US20170266833A1 (en) 2017-09-21

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