EP3227102B1 - Extracteur de manchons, groupe de transformation d'un support plan, et procédé d'extraction de manchons - Google Patents

Extracteur de manchons, groupe de transformation d'un support plan, et procédé d'extraction de manchons Download PDF

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Publication number
EP3227102B1
EP3227102B1 EP15808110.9A EP15808110A EP3227102B1 EP 3227102 B1 EP3227102 B1 EP 3227102B1 EP 15808110 A EP15808110 A EP 15808110A EP 3227102 B1 EP3227102 B1 EP 3227102B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
gripper
extraction head
extractor
extraction
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
EP15808110.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3227102A1 (fr
Inventor
Boris BÉGUIN
Philippe Clément
Guillaume DÉNISSE
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
Original Assignee
Bobst Mex SA
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 Bobst Mex SA filed Critical Bobst Mex SA
Publication of EP3227102A1 publication Critical patent/EP3227102A1/fr
Application granted granted Critical
Publication of EP3227102B1 publication Critical patent/EP3227102B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/30—Shape of rigid or semi-rigid containers having a polygonal cross section
    • B31B2110/35—Shape of rigid or semi-rigid containers having a polygonal cross section rectangular, e.g. square
    • 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
    • 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 puller of rotary tool sleeves for a processing group of a plane support.
  • the invention relates to a group for transforming a plane support, comprising at least one sleeves extractor.
  • the invention also relates to a method for extracting sleeves.
  • a support processing machine is intended for the manufacture of packaging.
  • an initial planar support such as a continuous strip of cardboard, is unwound and printed by a printing station comprising one or more printing units.
  • the planar support is then transferred to an introductory group and then to an embossing group, possibly followed by a push-up group.
  • the flat support is then cut in a cutting group. After ejection of the waste zones, the obtained poses are cut to obtain individualized boxes.
  • the rotary groups of transformation, embossing, crushing, cutting, ejection of waste, or printer comprise respectively an upper cylindrical tool for processing, and a lower cylindrical tool for transformation, between which the plane support circulates to be transformed.
  • the rotary transformation tools rotate at the same speed, but in opposite directions from each other.
  • the plane support passes into the gap between the rotary tools, which shape an embossed relief, shape a raised relief, cut the plane support into poses in a rotary cut, eject the waste, or print a pattern during the process. impression.
  • Cylinder change operations are long and tedious.
  • the operator mechanically disconnects the cylinder to remove it from its drive mechanism. Then the operator pulls the cylinder outside the processing machine, and puts the new cylinder back into the processing 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 pull it out, the operator raises it with a hoist.
  • some processing groups provide for the use of rotary tools consisting of a mandrel and a removable sleeve carrying shape ensuring the transformation, insertable on the mandrel. Then simply change the sleeve, rather than the entire rotary tool. This facilitates the tool change due to the low weight of the sleeve and reduces costs because the sleeve is less expensive. See for example the transformation group described in the document DE 10 2010 027 181 .
  • the passage of the planar support in the successive transformation groups tends to heat the plane support, especially during its passage in the printer groups.
  • the plane support heated, and in turn heats the rotary tools, because the latter, usually metallic, are very good thermal conductors.
  • the dimensions of a sleeve are therefore generally provided to limit the clearance between the sleeve and the mandrel during processing operations. A difficulty that results is that at the end of the transformation group, 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 device and a method which at least partially solve the disadvantages of the state of the art.
  • the present invention relates to a rotary tool sleeve extractor for a processing unit of a plane support, the sleeve extractor comprising a base intended to be fixed to the transformation unit and a head of extraction.
  • the extraction head is movable relative to the base between a retracted position and an extended position.
  • the extraction head comprises a clip that can cooperate with a rotary tool sleeve.
  • the transformation group is defined as a push-back group, an embossing group, a rotary cutting group, a waste ejection group, a printing unit, chosen alone or in combination, or others.
  • the sleeve extractor cooperates with the sleeve and comes to slide along the mandrel to extract it. This extractor makes it easy to remove the sleeve from the mandrel and is suitable for the extraction of different sleeves having small or large diameters.
  • the clamp comprises a clamp actuator.
  • the clamp actuator is for example arranged between two pivoting arms of the clamp.
  • the clamp actuator controls the opening and closing of the clamp automatically by the processing unit.
  • the sleeves extractor comprises a head actuator for moving the extraction head between the retracted position and the deployed position.
  • the head actuator makes it possible to control the movement of the extraction head automatically by the transformation unit.
  • the extraction head comprises for example a guide member cooperating with a guiding member complementary to the base for guiding the displacement of the extraction head between the retracted position and the deployed position.
  • the clamp comprises at least one gripping jaw pivotally mounted in an arm of the gripper.
  • the gripping jaw includes, for example, an arc-shaped shoulder for receiving a sleeve end portion.
  • the gripping jaw bears against the sleeve, which allows it to push the latter along the mandrel.
  • the pivoting gripping jaws are positioned correctly at the sleeve, adapting to its diameter. These jaws comprise a part made of a synthetic material, to avoid the risk of deterioration of the sleeve, and a metal part, so as to be rigid enough to then push the sleeve on the mandrel.
  • the invention also relates to a group for transforming a planar support, such as a push-up group, an embossing unit, a rotary cutting unit, a waste ejection unit, a printing unit, comprising minus a sleeve extractor, as described and claimed below, whose extraction head is movable between a retracted position and an extended position, and wherein the extraction head is deployed in a direction parallel to the axis rotation of the mandrels.
  • a planar support such as a push-up group, an embossing unit, a rotary cutting unit, a waste ejection unit, a printing unit, comprising minus a sleeve extractor, as described and claimed below, whose extraction head is movable between a retracted position and an extended position, and wherein the extraction head is deployed in a direction parallel to the axis rotation of the mandrels.
  • the transformation unit comprises two sleeve extractors, the two sleeve extractors being mounted one above the other, the two sleeve extractors being opposite one another, the two sleeve extractors being on either side of the bearings of the transformation unit, intended to support the ends of the mandrels.
  • 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 relative to the transverse direction T, as being respectively the driver's side and the opposite driver's side.
  • a processing line of a flat support such as flat cardboard or roll-fed continuous strip paper, allows different operations to be performed and to obtain packaging such as folding boxes.
  • the transformation line comprises, arranged one after the other in the order of movement of the planar support, an unwinding station 1, several printing units 2, one or more series embossing groups followed by one or more several series 3 upset groups, followed by a rotary cutting group 4 or platen cut, and a receiving station 5 made objects.
  • the transformation unit 7 comprises an upper rotary tool 10 and a lower rotary tool 11, which modify the plane support by printing, embossing, crushing, cutting, ejection of 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, the opposite conductor side, are rotated 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 plane support passes into the gap between the rotary tools 10 and 11, to be embossed, and / or discharged, 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 (arrow G in Fig. 2 ).
  • a mandrel 12 and a removable sleeve 13, insertable on the mandrel 12 in the transverse direction T (arrow G in Fig. 2 ).
  • the sleeves 13 are inexpensive compared to the price of the rotary tool 10 and 11 complete. It is therefore advantageous to use the same mandrel 12 in combination with several sleeves 13, rather than to provide the acquisition of several rotary tools 10 and 11 complete.
  • the sleeve 13 has a generally hollow and cylindrical shape. It is for example made of aluminum material.
  • the mandrel 12 comprises a cylindrical core, a front end, a rear end, on either side of the cylindrical core.
  • the front and rear ends of the mandrel 12 are respectively supported by front and rear bearings 18 and 19 of the transformation unit 7 ( Fig. 3 ).
  • the rear ends of the mandrels 12 of the rotary tools 10 and 11, the opposite conductor side are rotated by a respective motorized drive system.
  • the transformation unit 7 further comprises two sleeve extractors 22.
  • Each sleeve extractor 22 comprises a base 23 and an extraction head 24.
  • the base 23 is fixed to the transformation unit 7.
  • the extraction head 24 is movable relative to the base 23 between a retracted position ( Fig. 3 ) and an extended position in which the extraction head 24 extends in the transverse direction T, that is to say parallel to the axis of rotation A1 and A2 of the rotary tools 10 and 11 (see sleeve extractor 22 arranged in the upper part on the Fig. 7 in the deployed position).
  • the extraction head 24 comprises a clamp 25 that can take a sleeve 13 in pincers to grasp it.
  • the gripper 25 is for example mounted at the end of the extraction head 24.
  • the clamp 25 comprises two arms 25a and 25b pivoting, each arm 25a and 25b being for example mounted on a respective pivot 26 of the extraction head 24.
  • the pivots 26 extend in the transverse direction T, parallel to the axis of rotation A1 and A2 of the mandrels 12, so that the arms 25a and 25b can pivot towards each other to seize a sleeve 13 transversely ( Fig. 5 ).
  • the gripper 25 may also comprise two gripping jaws 27 pivotally mounted around a transverse direction T, in an opening formed in one end of a respective arm 25a and 25b of the gripper 25.
  • the inner sides of the gripping jaws 27 intended to to be in contact with the sleeve 13 have for example a shoulder 28 in the form of a circular arc, complementary to the circular section of the sleeve 13 to receive a sleeve end portion 13 regardless of the diameter of the sleeve 13.
  • the pivoting gripping jaws 27 make it possible to position them well on the sleeve 13, and thus to facilitate gripping of the sleeve 13 without risk of damage, but with sufficient rigidity to then be able to push the sleeve 13 onto the mandrel 12.
  • the jaws of FIG. gripping 27 comprise a portion for example made of synthetic material, such as PET-C, or any other material to prevent the risk of damage to the sleeve 13.
  • the gripping jaws 27 also comprise a metal part, in order to be sufficiently rigid to then push the sleeve 13 on the mandrel 12.
  • the clamp 25 may further comprise a clamp actuator 29, such as a jack, for actuating the opening and closing of the clamp 25, thus making it possible to control its opening automatically by the transformation unit 7.
  • a clamp actuator 29 such as a jack
  • the clamp actuator 29 is for example arranged between the arms 25a and 25b of the clamp 25. It comprises a base and a movable end.
  • the base is connected to an arm 25a of the clamp 25 and the movable end is connected to the other arm 25b so that the movable end extends from the base in a direction perpendicular to the direction of the axis of rotation A1 and A2 of the mandrels 12.
  • the base and the movable end of the clamp actuator 29 are fixed to the arms 25a and 25b between the gripping jaws 27 and the pivots 26, so as not to hinder the gripping of the sleeve 13.
  • the sleeve extractor 22 further comprises a head actuator 30, such as a jack, for moving the extraction head 24 between the retracted position and the deployed position, thus making it possible to control the movement of the extraction head. 24 automatically by processing group 7 ( Fig. 5 ).
  • a head actuator 30 such as a jack
  • the head actuator 30 includes a base and a movable end.
  • the base is fixed to the frame of the transformation unit 7 and the movable end is connected to the extraction head 24 so that the movable end extends from the base in a direction parallel to the direction of the axis of rotation A1 and A2 of the mandrels 12.
  • the extraction head 24 may comprise a guiding member 31 cooperating with a complementary guiding member 32 carried by the base 23 or by the transformation unit 7 (not shown), to guide the movement of the extraction head 24. between the retracted position and the deployed position.
  • the extraction head 24 comprises for example two guide rails 31, parallel to each other and parallel to the axis of rotation A1 and A2 of the mandrels 12.
  • the guide rails 31 cooperate with four complementary guide members 32 carried by the Inversely, the guide rails can be carried by the transformation unit 7 or the base 23 and the complementary guide members by the extraction head 24.
  • the sleeve extractors 22 are mounted vertically one above the other in the transformation unit 7 on either side of the rear bearings 19 arranged at the rear of the transformation unit 7.
  • the sleeve extractors 22 face each other, they are facing each other.
  • the two sleeve extractors 22 are for example identical.
  • the extraction head 24 is retracted behind the transformation unit 7, and extends above the motorized drive systems 20 for the sleeve extractor 22 arranged in the upper part, and below for the sleeves extractor 22 arranged in the lower part.
  • the clamp 25 is open, the arms 25a and 25b apart do not touch the rotary tools 10 and 11.
  • the gripper 25 of the extraction head 24 by means of the gripper actuator 29 cooperates and grasps the end of the sleeve 13.
  • the extraction head 24 is deployed in the transverse direction T, parallel to the axis of rotation A1 and A2 of the mandrels 12.
  • the ends of the mandrels 12 are held in the rear bearings 19 of the group of transformation 7 by the motorized drive systems 20, the sleeve 13 can be pushed along the mandrel 12 (see puller sleeve 22 arranged in the upper part on the Fig. 7 ) until it is removed from the transformation unit 7 by means of the head actuator 30.
  • the sleeve extractor 22 makes it easier to remove the sleeve 13 from the mandrel 12.
  • the same sleeve extractor 22 may be suitable for extracting sleeves 13 of different diameters.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Details Of Cutting Devices (AREA)
  • Replacement Of Web Rolls (AREA)
EP15808110.9A 2014-12-04 2015-11-26 Extracteur de manchons, groupe de transformation d'un support plan, et procédé d'extraction de manchons Active EP3227102B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14020103 2014-12-04
PCT/EP2015/025091 WO2016087051A1 (fr) 2014-12-04 2015-11-26 Extracteur de manchons, groupe de transformation d'un support plan, et procede d'extraction de manchons

Publications (2)

Publication Number Publication Date
EP3227102A1 EP3227102A1 (fr) 2017-10-11
EP3227102B1 true EP3227102B1 (fr) 2019-02-27

Family

ID=52292602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15808110.9A Active EP3227102B1 (fr) 2014-12-04 2015-11-26 Extracteur de manchons, groupe de transformation d'un support plan, et procédé d'extraction de manchons

Country Status (7)

Country Link
US (1) US11014324B2 (ja)
EP (1) EP3227102B1 (ja)
JP (1) JP6472519B2 (ja)
KR (1) KR20170088908A (ja)
CN (1) CN107107523B (ja)
ES (1) ES2718737T3 (ja)
WO (1) WO2016087051A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI744010B (zh) * 2020-09-25 2021-10-21 陽程科技股份有限公司 捲筒取放裝置

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Also Published As

Publication number Publication date
EP3227102A1 (fr) 2017-10-11
KR20170088908A (ko) 2017-08-02
JP2018501124A (ja) 2018-01-18
JP6472519B2 (ja) 2019-02-20
CN107107523B (zh) 2020-07-24
US20170326831A1 (en) 2017-11-16
US11014324B2 (en) 2021-05-25
WO2016087051A1 (fr) 2016-06-09
ES2718737T3 (es) 2019-07-04
CN107107523A (zh) 2017-08-29

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