EP1555094A1 - Längsschneidvorrichtung zum Erzeugen eines wellenförmigen Schnitts - Google Patents

Längsschneidvorrichtung zum Erzeugen eines wellenförmigen Schnitts Download PDF

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Publication number
EP1555094A1
EP1555094A1 EP04030951A EP04030951A EP1555094A1 EP 1555094 A1 EP1555094 A1 EP 1555094A1 EP 04030951 A EP04030951 A EP 04030951A EP 04030951 A EP04030951 A EP 04030951A EP 1555094 A1 EP1555094 A1 EP 1555094A1
Authority
EP
European Patent Office
Prior art keywords
cutting device
roll stock
cutting
slitter
film roll
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Withdrawn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
EP04030951A
Other languages
English (en)
French (fr)
Inventor
Jang Hwan Bang
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.)
Vacotec Co Ltd
Original Assignee
Vacotec Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vacotec Co Ltd filed Critical Vacotec Co Ltd
Publication of EP1555094A1 publication Critical patent/EP1555094A1/de
Withdrawn legal-status Critical Current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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
    • B26D1/285—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • 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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • 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
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/10—Making cuts of other than simple rectilinear form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/06—Supporting web roll both-ends type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/26—Arrangements for preventing slipping of winding
    • 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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0033—Cutting members therefor assembled from multiple blades
    • 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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously

Definitions

  • the present invention relates to a slitter subdividing, cutting and rewinding a wide roll stock, such as a plastic film or a metal deposition film for a metalized plastic film capacitor, and more particularly a cutting device of a slitter making a section area of a plastic film have a constant wave shape during the process of cutting the plastic roll stock, to increase surface area of a metal contact area formed in the section area of the constant wave shape in the following manufacturing process of a capacitor, and to enhance capability of the produced capacitor greatly, as a result.
  • a wide roll stock such as a plastic film or a metal deposition film for a metalized plastic film capacitor
  • Fig. 1 is a schematic diagram illustrating the conventional slitter 100.
  • a plastic roll stock F rewound in an unwinder 110 formed largely in the one side of the slitter 100 runs though multiple rollers, and is cut off into subdivided films in predetermined intervals by a cutting device 120.
  • the subdivided films moves again through another multiple rollers, and are rewound to a first and a second rewinding axes 130a and 130b moving horizontally according to rewinding amount of the subdivided films.
  • the film of the roll stock F supplied from the unwinder 110 is derived into a rewinding induction roller 111, and moved into a line following control LFC sensing roller 112 installed in the one side of the rewinding induction roller 111.
  • a LFC sensor 112a installed in the top of the LFC sensing roller 112 detects the edge of the film from the roll stock F, and the LFC sensing roller 112 drives an oil pressure or motor actuator (not shown) to compensate left or light movements of the edge of the plastic roll stock F, and to make the film of the plastic roll stock F move straightly from the position of a tension detection roller 113.
  • the film of the roll stock F passes through an expander roller 114 compensating shrinking of the direction of the width, an induction roller 115, and a pair of a cutting roller 116.
  • a cutting device 120 installed in the top of the cutting rollers 116 cuts the film of the roll stock F into predetermined sizes.
  • the half of the film of the roll stock F is moved into a top transfer roller 118a and a top contact roller 118b, and wound into a first rewinder 130a moving horizontally.
  • the other half of the film of the roll stock F is moved into a bottom transfer roller 118a and a bottom contact roller 118b, and wound into a second rewinder 130b moving horizontally.
  • the first and the second rewinders 130a and 130b rewinding the film Fa and Fb cut by the cutting device 120 moves horizontally through a first and a second guides 100a and 100b installed in the other side of the slitter 100.
  • the first rewinding axis 130a is installed to a fixing bracket 150a fixed in a guide material 160a, while the guide material 160a moves reciprocally to a guide bar 140a installed in the top and the bottom of the first guide 100a.
  • the second rewinding axis 130b is also installed to a fixing bracket 150b fixed in a guide material 160b, while the guide material 160b moves reciprocally to a guide bar 140b installed in the top and the bottom of the second guide 100b.
  • the respective fixing brackets 150a and 150b fixing the corresponding first and the second rewinding axis 130a and 130b is fixed into the corresponding rods of cylinders 170a and 170b fixed into the corresponding floors of the first and the second guide 100a and 100b, and move forward by operations of the cylinders 170a and 170b.
  • the first and the second rewinding axes 130a and 130b move into one side of the slitter 100.
  • an operator separates the film Fa and Fb from the first and the second rewinding axes 130a and 130b, and drives the cylinders 170a and 170b to move the first and the second rewinding axes 130a and 130b forward to the original position.
  • the conventional cutting device 120 comprises multiple cutters 122 fixed into the fixing shaft 121 in predetermined intervals.
  • the interval among the cutters 122 is changed arbitrarily to fit into the width of the cutting film.
  • the cutting device 120 placed in the top of the pair of cutting rollers 116 cuts the film of the roll stock F moving into the top space between the cutting rollers 116.
  • the cutting device 120 is moved by an elevator (not shown). Therefore, the cutting device 120 contacts into or separates from the film of the roll stock F moving between the cutting rollers 116.
  • the section area of the film of the roll stock F should be a linear shape always, while applying the film cutting method by the conventional cutting device 120.
  • the present invention improves the film cutting method by the conventional cutting device 120, and eventually uniform production of a deposition film for manufacturing a capacitor.
  • a metalized plastic film capacitor is produces by depositing a metal like aluminum A1 or zinc into a very thin film, rewinding the thin film by the tens or hundreds times, performing the metal spraying process to make electrodes, putting into a case of a synthetic resin, and enclosing the case by epoxies, finally. Therefore, the both sides of the electrodes applying the metal spraying process to manufacture a capacitor play important roles in capability of the capacitor.
  • the section area by the cutting device 120 always has a linear shape. Therefore, the contact area of both sides of the electrodes is confined, and capability of the capacitor is not improved.
  • preferred embodiments of the present invention provide a cutting device of a slitter cutting a section area of a film roll stock to have a constant wave shape to increase surface area of metal contact parts formed in the section area of the wave shape in manufacturing a capacitor hereafter to improve capability of the capacitor.
  • Other purpose of the present invention is to provide a cutting device of a slitter cutting a section area of a film roll stock to have a constant wave shape, and changing the wave shape arbitrarily.
  • the slitter makes a film roll stock rewound to an unwinder installed in the one side of the slitter run through multiple rollers, cuts the film roll stock into a predetermined interval by a pair of a cutting roller and a cutting device installed on the top of the pair of the cutting roller, makes the films cut from the film roll stock by the pair of the cutting roller and the cutting device run again through another multiple rollers, and rewinds the films cut form the film roll stock to a first and a second rewinding axes moving horizontally to the slitter according to the rewinding amount
  • the cutting device comprises multiple rounded cutter arranged and fixed into a fixing shaft in predetermined intervals through a fixing hole, curved in a predetermined angle ⁇ by the standard of a main line of the cutter; and the cutting device is connected with a motor controlling a rotation speed to form a wave shape, such as a sine wave, to a section area of the film roll stock in the case of
  • the cutter of the cutting device of the slitter of the present invention is curved in a predetermined angle ⁇ to a first main line of the cutter at first, and curved in a predetermined angle ⁇ to the opposite of the first curved direction by the standard of a second main line orthogonal to the first main line of the cutter.
  • the cutter of the cutting device of the slitter of the present invention is curved in predetermined angles ⁇ by the standard of various main lines of the cutter to generate a shape of multiple sine waves to the section area of the film roll stock in the case of one rotation of the cutter 220.
  • the cutting device and the motor are connected by coupling or by respective pulleys and a belt.
  • Fig. 4 is a schematic diagram of a slitter applying a cutting device
  • Fig. 5 is a concrete perspective view of the cutting device of the slitter according to the present invention.
  • the film roll stock F rewound to the unwinder 110 installed in the one side of the slitter 100 runs toward multiple rollers, is subdivided into predetermined intervals by a pair of cutting rollers 116 and a cutting device 200, and runs again toward other multiple rollers.
  • the film Fa and Fb cut by the pair of cutting rollers 116 and the cutting device 120 is rewound into a first a second rewinding axes 130a and 130b moving horizontally in the slitter 100 according to the cutting amount of the film.
  • the cutting device 200 of the present invention arranges and fixes multiple rounded cutters 220 into a fixing shaft 210 through a fixing hole 221 in predetermined intervals, and the cutters 220 are curved in a predetermined angle to a main shaft.
  • the cutting device 200 installed in the top of the pair of the cutting roller 116 to maintain predetermined intervals, cuts the film of the roll stock F moving to the top space between the pair of the cutting roller 116.
  • the cutting device 200 contacts into or separates from the film roll stock F by an elevator (not shown).
  • the cutting device 200 is connected with a motor 260 and a coupling (not shown) controlling speed of the cutting device 200, or connected with respective pulleys 230 and 250 and a belt 240.
  • the cutting device 200 is rotated by receiving the power of the motor 260, and the rotation speed of the cutting device 200 is adjusted by controlling the rotation speed RPM of the motor 260.
  • Fig. 7a to 7b illustrates the cutting device 200 of the present invention in more detail.
  • the rounded cutter 220 makes a predetermined angle ⁇ to the one of a main line C1.
  • This configuration of the cutter 220 produces a sine wave to make the section area of the film roll stock F to have a sine wave shape, while the cutter 220 rotates to cut the film roll stock F.
  • the section area of the film roll stock F forms a shape of a sine wave.
  • Fig. 7b is another embodiment of the cutter 220 of the present invention.
  • the cutter 220 is curved in a predetermined angle ⁇ to the one of a main line C1 at first.
  • the cutter 220 is curved in a predetermined angle ⁇ to the opposite of the first curved direction by the standard of another main line C2 orthogonal to the first main line C1.
  • Fig. 7c is still another embodiment of the cutter 220 of the present invention.
  • the cutter 220 is curved in predetermined angles ⁇ by the standard of various main lines C1, C2, C3... Therefore, when the cutter 220 of such a structure rotates once, multiple sine waves are generated to the section area of the film roll stock F.
  • the metal contact area is widen to lower the contact resistance and to enhance capability of the capacitor, as a result.
  • the cutting device of the present invention generates a constant wave shape to the section area of the film roll stock F.
  • the metal contact area formed in the section area of the wave shape of the film roll stock F is widen to lower contact resistance and to enhance capability of the capacitor.
  • the present invention generates a constant wave shape to the section area of the film roll stock F, while the wave shape can be changed.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Nonmetal Cutting Devices (AREA)
EP04030951A 2004-01-14 2004-12-29 Längsschneidvorrichtung zum Erzeugen eines wellenförmigen Schnitts Withdrawn EP1555094A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20-2004-0001030U KR200347587Y1 (ko) 2004-01-14 2004-01-14 슬리터의 커팅장치
KR2004001030 2004-01-14

Publications (1)

Publication Number Publication Date
EP1555094A1 true EP1555094A1 (de) 2005-07-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04030951A Withdrawn EP1555094A1 (de) 2004-01-14 2004-12-29 Längsschneidvorrichtung zum Erzeugen eines wellenförmigen Schnitts

Country Status (3)

Country Link
EP (1) EP1555094A1 (de)
JP (1) JP2005324315A (de)
KR (1) KR200347587Y1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2298676A1 (de) * 2009-09-17 2011-03-23 The Procter & Gamble Company Abziehvorrichtung zum Abspulen einer Materialbahn von einer Rolle
CN102306557A (zh) * 2011-06-08 2012-01-04 南京安顺自动化装备有限公司 分切机用波浪刀具
ITUB20159524A1 (it) * 2015-12-16 2017-06-16 Comav Srl Macchina per lo svuotamento di sacchi contenenti materiali in polvere o in granuli

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101704558B1 (ko) * 2010-04-23 2017-02-08 동우 화인켐 주식회사 광학필름 슬리터와 이를 이용한 광학필름 슬리팅 시스템
KR101650362B1 (ko) * 2014-12-26 2016-08-23 한국항공우주산업 주식회사 항공기 보강재용 원자재의 절단 장치
CN109483605B (zh) * 2018-12-31 2023-11-10 上海得一智能科技有限公司 一种分切机用斜面椭圆旋转切刀
CN109623911A (zh) * 2019-02-15 2019-04-16 陈绪涛 一种用于塑料板材的高效自动化切割成型装置
CN112045744A (zh) * 2020-08-25 2020-12-08 杭州崔测科技有限公司 一种石墨烯用导电材料加工成型装置及加工方法
KR102465392B1 (ko) 2022-02-22 2022-11-14 한국유엠 주식회사 슬리터 장치
KR20220137570A (ko) 2022-02-22 2022-10-12 한국유엠 주식회사 슬리터장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248987A (en) * 1959-07-08 1966-05-03 Gillette France S A Rotary cutter
US4641559A (en) * 1985-01-23 1987-02-10 F.I.C.I. Finanziaria Industriale Commerciale Immobiliare S.P.A. Equipment for slitting continuous tapes into strips with shaped side profile, in particular for metal sheet
GB2191969A (en) * 1986-06-27 1987-12-31 Jin Jong Chou Making adhesive tape
EP1340601A2 (de) * 2002-03-01 2003-09-03 Arcotronics Italia S.P.A. Einrichtung zum schnellen Schneiden von dünnen Folien in Banden mit wellenförmigen oder geradlinigen Randbereichen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248987A (en) * 1959-07-08 1966-05-03 Gillette France S A Rotary cutter
US4641559A (en) * 1985-01-23 1987-02-10 F.I.C.I. Finanziaria Industriale Commerciale Immobiliare S.P.A. Equipment for slitting continuous tapes into strips with shaped side profile, in particular for metal sheet
GB2191969A (en) * 1986-06-27 1987-12-31 Jin Jong Chou Making adhesive tape
EP1340601A2 (de) * 2002-03-01 2003-09-03 Arcotronics Italia S.P.A. Einrichtung zum schnellen Schneiden von dünnen Folien in Banden mit wellenförmigen oder geradlinigen Randbereichen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2298676A1 (de) * 2009-09-17 2011-03-23 The Procter & Gamble Company Abziehvorrichtung zum Abspulen einer Materialbahn von einer Rolle
EP2298675A1 (de) * 2009-09-17 2011-03-23 The Procter & Gamble Company Abziehvorrichtung zum Abspulen einer Materialbahn von einer Rolle
WO2011034767A1 (en) * 2009-09-17 2011-03-24 The Procter & Gamble Company Peel off device for unwinding a web of material from a roll
CN102306557A (zh) * 2011-06-08 2012-01-04 南京安顺自动化装备有限公司 分切机用波浪刀具
CN102306557B (zh) * 2011-06-08 2013-02-20 南京安顺自动化装备有限公司 分切机用波浪刀具
ITUB20159524A1 (it) * 2015-12-16 2017-06-16 Comav Srl Macchina per lo svuotamento di sacchi contenenti materiali in polvere o in granuli

Also Published As

Publication number Publication date
JP2005324315A (ja) 2005-11-24
KR200347587Y1 (ko) 2004-04-14

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