EP1481777A2 - Dispositif de sortie de rouleaux pour une machine de coupe - Google Patents

Dispositif de sortie de rouleaux pour une machine de coupe Download PDF

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Publication number
EP1481777A2
EP1481777A2 EP04008724A EP04008724A EP1481777A2 EP 1481777 A2 EP1481777 A2 EP 1481777A2 EP 04008724 A EP04008724 A EP 04008724A EP 04008724 A EP04008724 A EP 04008724A EP 1481777 A2 EP1481777 A2 EP 1481777A2
Authority
EP
European Patent Office
Prior art keywords
exit assembly
roll
roll exit
chain
cutting
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.)
Withdrawn
Application number
EP04008724A
Other languages
German (de)
English (en)
Other versions
EP1481777A3 (fr
Inventor
Sergio Casella
Mauro Biagioni
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.)
Paper Converting Machine Co Italia SpA
Paper Converting Machine Co
Original Assignee
Paper Converting Machine Co Italia SpA
Paper Converting Machine Co
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 Paper Converting Machine Co Italia SpA, Paper Converting Machine Co filed Critical Paper Converting Machine Co Italia SpA
Publication of EP1481777A2 publication Critical patent/EP1481777A2/fr
Publication of EP1481777A3 publication Critical patent/EP1481777A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
    • 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
    • B26D7/01—Means for holding or positioning work
    • B26D2007/013—Means for holding or positioning work the work being tubes, rods or logs
    • 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
    • B26D2210/00—Machines or methods used for cutting special materials
    • B26D2210/11—Machines or methods used for cutting special materials for cutting web rolls

Definitions

  • the present invention relates to a roll exit assembly for a cutting off machine for the transverse cutting of rolls of sheet material, such as paper, starting from large-sized logs.
  • the roll exit assembly serves to remove cut rolls from the cutting area.
  • the log of paper to be cut is made to advance on the cutting off machine bench by means of a pusher towards a cutting disc, as described in European patent application EP0970784 in the name of the same applicant.
  • the advancement of the log, under the action of the pusher pushes the cut roll onto a roll discharge belt whilst the trimming or end waste is pushed directly by the pusher.
  • FIG. 1 illustrates a roll exit assembly 101 according to the prior art destined to be disposed downstream of a conveying bed 102 of a cutting off machine.
  • rolls 103 of sheet material obtained by transverse cutting of a log, are fed toward the roll exit assembly 101 by means of a pusher 104 moved along the conveying bed 102 of the cutting off machine.
  • the roll exit assembly 101 comprises a belt conveyor having two flat belts 105 and two belts 106 with a circular section.
  • the flat belts 105 allow conveying of rolls in a vertical or raised position (not shown in Figures 1 and 2), that is to say with the axis of the roll at right angles to the conveying surface, whilst the belts 106 with a circular section, as shown in Figures 1 and 2, allow conveying of rolls 103 in a horizontal or lying position, that is to say with the axis of the roll parallel to the conveying surface.
  • Said roll exit assembly 101 according to the prior art presents many drawbacks.
  • the distance between the two circular section belts 106 is fixed, with the consequent limitation of the minimum and maximum diameters of the roll 103 to be conveyed, according to the distance between said belts. In fact, small diameter rolls sink too deep between the belts, whilst large diameter rolls are not gripped adequately.
  • the width of the pusher 104 is limited by the distance between the two circular section belts 106 and this does not allow an adequate surface for pushing and pressing the log, especially in the case of large diameter logs.
  • the end trimmings of the rolls with a high diameter/height (transverse measurement/axial measurement) ratio can rotate around the pusher 104 in the cutting area because of the friction between the log and the pressers (elements for blocking the log in the cutting area) during advancement of the log and/or because of the stress exerted by the cutting disk on the log during cutting.
  • a height difference is generated between the log on the conveying bench 102 of the cutting off machine and the roll 103 on the roll exit assembly 101.
  • the difference varies with the diameter of the roll and will be greater for small diameter rolls and smaller for large diameter rolls.
  • the object of the present invention is to eliminate the drawbacks of the prior art by providing a roll exit assembly for a cutting off machine that is versatile and able to work with rolls of different diameters and formats.
  • Another object of the present invention is to provide a roll exit assembly that is highly reliable and able to avoid risks of jamming of the machine.
  • Yet another object of the present invention is to provide a roll exit assembly that is able to allow continuous high-speed production, without the need to stop components of the machine.
  • the roll exit assembly comprises a conveyor consisting of two chains, belts or other conveying means which may support inserts of aluminium, Teflon or other material, of a suitable shape to grip the roll in a vertical or in a horizontal position.
  • the chains are mounted on supports which can translate along a straight line, so as to keep constant the angle formed between the contact surfaces of the inserts of the two chains and to adapt the gripping width according to the diameter of the roll.
  • the two chains thus form an ideal V-shaped support to accommodate the roll.
  • the angle of opening of this V-shaped support is identical to that of the support bench of the cutting off machine. Thus, a height difference between the log on the bench and the roll on the exit assembly is avoided.
  • FIG. 3 illustrates partially a cutting off machine, indicated as a whole with reference numeral 10.
  • the cutting off machine 10 comprises a conveying bench 2, a cutting assembly 20 and a roll exit assembly 1.
  • a log 30 of large length is conveyed on the conveying bench 2 towards the cutting assembly 20.
  • the cutting assembly 20 comprises an arm 21 supporting a rotating disc 22 to perform the transverse cutting of the log 30 into rolls of smaller length.
  • the roll 3 obtained by cutting the log 30 is pushed, by means of pushers 4, towards the roll exit assembly 1 which, by means of a conveying system 50, is responsible for conveying the rolls 3 towards roll discharge means. Movement of the pushers 4 takes place by means of a chain transmission in a per se known manner.
  • the roll exit assembly 1 comprises a base frame 40 supported by feet 41 and disposed downstream of the cutting assembly 20.
  • the base frame 40 supports the conveying system 50 and a conveyor belt 42 disposed downstream of the conveying system 50 to allow the discharge of the rolls 3 from the cutting off machine 10.
  • the conveying system 50 comprises a support frame 51 to be mounted fixedly to the base frame 40.
  • the support frame 51 On the sides of the support frame 51 there are provided two transmission track chains 60, disposed longitudinally and parallel to each other.
  • conveying and drive transmission means such as belts and the like-able to support the cut rolls can be provided instead of the chains 60.
  • Each chain 60 is supported by two pinions 62 and 63.
  • the first pinion 62 is shrunk on a shaft mounted idly in a plate 66 carrying the chain 60.
  • the second pinion 63 is shrunk on a drive shaft 64 set in rotation by an electric motor 65 disposed beyond the chain-carrying plate 66.
  • each insert 61 has, towards the outside, a first face 61a substantially parallel with respect to a plane passing through the axes of rotation of the pinions 62 and 63 and a second face 61b substantially oblique with respect to said plane passing through the axes of rotation of the pinions 62 and 63.
  • the support frame 51 has on each side a pair of support brackets 52 disposed obliquely with respect to a horizontal plane and converging with each other.
  • the chain-carrying plates 66 are mounted on the respective support brackets 52 of the frame 51.
  • the flat faces 61a of the inserts 61 of the chains are disposed obliquely with respect to a horizontal plane and diverge from each other, so as to form a substantially V-shaped seat able to receive the rolls 3 in a horizontal position.
  • the oblique faces 61b of the inserts are disposed along a plane substantially parallel to the horizontal plane to receive the edges of a roll disposed vertically.
  • the support frame 51 has a fixed structure comprising two sides 54 connected to a front crossbar 57.
  • Two rear crossbars 58 are connected to the respective sides 54.
  • two rods 59 connect the respective rear crossbars 58 to the front crossbar 57.
  • Each movable structure consists of two support brackets 52, of an abutment plate 53 and of two slides or shoes 55.
  • the shoes 55 are mounted slidably in a pair of grooved guides 56 integral with the front crossbar 57 and with the rear crossbars 58 of the support frame 51. In this manner each abutment plate 53 is maintained parallel to the respective side 54.
  • the grooved guides 56 are substantially oblique with respect to a horizontal plane.
  • each side 54 there is mounted a handwheel 70 which sets in rotation a screw 71 which passes through the respective side 54 to engage in a nut-screw formed in the abutment plate 53 of the mobile structure.
  • the screw 71 which screws into the nut-screw of the abutment plate 53 is set in rotation.
  • the shoes 55 which are integral with the abutment plate 53, slide linearly in the respective guides 56.
  • the support brackets 52 move along a trajectory imposed by the guides 56.
  • the chain-carrying plates 66 are integral with the respective pairs of brackets 52, by operating the handwheels 70 the distance between the chains 60 can be adjusted so as to adapt the conveying system 50 to the different diameters of the rolls 3 to be conveyed. With this system rolls 3 with diameters ranging from 90 mm to 350 mm can be conveyed.
  • the movement of the chain-carrying plates 66 is synchronised.
  • a pulley 73 which draws a respective belt 74 into rotation is shrunk on the shank of each screw 71.
  • the belt 74 in turn sets in rotation another pulley 75 provided at the end of a synchronisation shaft 76.
  • a gear 77 which meshes with a corresponding gear 77 or with an universal joint of the other synchronisation shaft 76.
  • an automatic adjustment system such as an electric motor that sets the screw 71 in rotation could be provided, or an actuator that pushes the mobile structure could be provided in place of the screw and nut-screw system.
  • the motors 65 that set the respective chains 60 in motion are synchronised with each other by means of a suitable inverter actuator, so as to allow synchronous rotation of the chains 60.
  • a single motor and drive transmission means to transmit the drive to both chains 60 can be provided instead of the two motors 65.
  • the speed of advancement of the chains 60 is controlled so as to be greater than the speed of advancement of the pushers 4 to allow a rapid removal of the rolls 3 from the area of rotation of the pushers 4.
  • the bench for conveying rolls 2 leaving the cutting assembly 20 has a cradle-shaped support guide 8 obtained by means of suitably inclined metal plates.
  • the chains 60 are adjusted in position, so that the front face of the inserts 61 is kept in register with and substantially parallel to the plane of the guide metal plates 8. In this manner the passage of the roll 3 from the guide 8 of the conveying bench to the chains 60 of the conveying system 50 of the exit assembly 1 is facilitated.
  • the conveying system 50 of the roll exit assembly 1 is particularly suitable for also conveying rolls 3 in the vertical position, that is to say with the axis of the roll at right angles to the conveying surface.
  • the edges of the roll 3 rest on the oblique faces 61b of the inserts 61 of the chains.
  • the pusher 4 consists of a plate supported by a flange 90 mounted on a carriage 91 slidable in guides 93 of the conveying bench.
  • the front end of the conveying bench 2 ends in register with the front end of the cradle-shaped guide 8. Therefore the pusher 4, when it reaches the front end of the conveying bench 2, that is to say at the end of its working stroke, pushes the roll 3 between the chains 60 of the roll exit assembly to begin rotation and its return stroke.
  • the pushing plate of the pusher 4 can be chosen sufficiently wide to be able to pass in the space between the two chains 60. In this manner a larger surface for pushing the log 30 is ensured.
  • the invention is not limited to said embodiment.
  • the inserts 61 are optional and can therefore be omitted.
  • the chains 60 can be replaced by other conveying means, such as, for example, belts and the like.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
EP04008724A 2003-05-26 2004-04-13 Dispositif de sortie de rouleaux pour une machine de coupe Withdrawn EP1481777A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20031050 2003-05-26
IT001050A ITMI20031050A1 (it) 2003-05-26 2003-05-26 Gruppo di uscita rotoli per macchina troncatrice

Publications (2)

Publication Number Publication Date
EP1481777A2 true EP1481777A2 (fr) 2004-12-01
EP1481777A3 EP1481777A3 (fr) 2005-06-08

Family

ID=30131080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04008724A Withdrawn EP1481777A3 (fr) 2003-05-26 2004-04-13 Dispositif de sortie de rouleaux pour une machine de coupe

Country Status (2)

Country Link
EP (1) EP1481777A3 (fr)
IT (1) ITMI20031050A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2917662A1 (fr) * 2007-06-21 2008-12-26 Eberle Soc Par Actions Simplif Dispositif de support et d'entrainement de tubes, en particulier de tubes de faible epaisseur de paroi, en fin d'enroulement et pendant la coupe a la volee
CN106965237A (zh) * 2017-05-12 2017-07-21 北塘区军之印纸品加工厂 一种纸卷加工用剪切辅助装置
ITUA20163298A1 (it) * 2016-05-10 2017-11-10 Paper Converting Machine Company Italia S P A Macchina troncatrice e metodo di taglio di rotoli di materiale in foglio
CN109129026A (zh) * 2018-10-24 2019-01-04 深圳格瑞克机械有限公司 笔杆自动切削机
CN112092031A (zh) * 2020-07-17 2020-12-18 保定市碧柔卫生用品有限公司 一种卷筒卫生纸切割装置
CN112623329A (zh) * 2020-12-10 2021-04-09 杭州中亚机械股份有限公司 一种用于灌装生产线的插棒装置
CN116079806A (zh) * 2023-04-07 2023-05-09 颐中（潍坊）实业有限公司 一种双轴卷筒纸可调式分切机
CN116160100A (zh) * 2023-04-21 2023-05-26 中建材(合肥)钢构科技有限公司 一种钢管自动上料的等离子切割装置
CN117260840A (zh) * 2023-10-08 2023-12-22 亿得宝科技发展有限公司 自动对点识别式辊压滚刀裁切装置及其自动对点识别方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108515727B (zh) * 2018-03-28 2019-07-19 江苏南江智能装备股份有限公司 一种链条式纸质手提成型机及手提成型方法
CN109129663A (zh) * 2018-09-27 2019-01-04 盐城市华森机械有限公司 一种砂纸自动冲切机
CN117656141B (zh) * 2024-02-01 2024-04-05 青州金青云新材料有限公司 一种镀铝纸裁剪装置
CN120481091B (zh) * 2025-06-16 2025-12-05 青岛山岛建材有限公司 一种适用于大型石材的降尘切割设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4265361A (en) * 1979-10-10 1981-05-05 American Can Company Apparatus for handling wound rolls of fibrous webs
IT1198571B (it) * 1983-03-18 1988-12-21 Lucchese Finanz Attrezzatura per eliminare gli estremi inutilizzabili (rifili) di bastoni di carta tagliati per la formazione di rotolini per carta igienica ed altro
IT1259683B (it) * 1992-09-28 1996-03-25 Perini Fabio Spa Congegno eliminatore di rifili, associato ad una macchina troncatrice per la formazione di rotolini di carta igienica o simili
ATE240191T1 (de) * 1998-07-07 2003-05-15 Italconverting S P A Vorrichtung zur automatischen entfernung von abfällen in der herstellung von papierrollen
ITFI20020102A1 (it) * 2002-06-13 2003-12-15 Perini Fabio Spa Dispositivo per l'eliminazione di rifili di taglio di un rotolo od altro

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2917662A1 (fr) * 2007-06-21 2008-12-26 Eberle Soc Par Actions Simplif Dispositif de support et d'entrainement de tubes, en particulier de tubes de faible epaisseur de paroi, en fin d'enroulement et pendant la coupe a la volee
ITUA20163298A1 (it) * 2016-05-10 2017-11-10 Paper Converting Machine Company Italia S P A Macchina troncatrice e metodo di taglio di rotoli di materiale in foglio
EP3243612A1 (fr) * 2016-05-10 2017-11-15 Paper Converting Machine Company Italia S.p.A. Machine de découpe et procédé de découpage de rouleaux de matériau en feuille
CN106965237A (zh) * 2017-05-12 2017-07-21 北塘区军之印纸品加工厂 一种纸卷加工用剪切辅助装置
CN109129026A (zh) * 2018-10-24 2019-01-04 深圳格瑞克机械有限公司 笔杆自动切削机
CN112092031A (zh) * 2020-07-17 2020-12-18 保定市碧柔卫生用品有限公司 一种卷筒卫生纸切割装置
CN112623329A (zh) * 2020-12-10 2021-04-09 杭州中亚机械股份有限公司 一种用于灌装生产线的插棒装置
CN112623329B (zh) * 2020-12-10 2023-11-14 杭州中亚机械股份有限公司 一种用于灌装生产线的插棒装置
CN116079806A (zh) * 2023-04-07 2023-05-09 颐中（潍坊）实业有限公司 一种双轴卷筒纸可调式分切机
CN116160100A (zh) * 2023-04-21 2023-05-26 中建材(合肥)钢构科技有限公司 一种钢管自动上料的等离子切割装置
CN116160100B (zh) * 2023-04-21 2023-06-27 中建材(合肥)钢构科技有限公司 一种钢管自动上料的等离子切割装置
CN117260840A (zh) * 2023-10-08 2023-12-22 亿得宝科技发展有限公司 自动对点识别式辊压滚刀裁切装置及其自动对点识别方法

Also Published As

Publication number Publication date
EP1481777A3 (fr) 2005-06-08
ITMI20031050A0 (it) 2003-05-26
ITMI20031050A1 (it) 2004-11-27

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