EP0329172A2 - Vorrichtung zum Perforieren von Bahnen - Google Patents

Vorrichtung zum Perforieren von Bahnen Download PDF

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Publication number
EP0329172A2
EP0329172A2 EP89102792A EP89102792A EP0329172A2 EP 0329172 A2 EP0329172 A2 EP 0329172A2 EP 89102792 A EP89102792 A EP 89102792A EP 89102792 A EP89102792 A EP 89102792A EP 0329172 A2 EP0329172 A2 EP 0329172A2
Authority
EP
European Patent Office
Prior art keywords
web
punches
die
holes
stripper
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Withdrawn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
EP89102792A
Other languages
English (en)
French (fr)
Other versions
EP0329172A3 (de
Inventor
Sanpei C/O Fuji Photo Film Co. Ltd. Iida
Osamu C/O Fuji Photo Film Co. Ltd. Suzuki
Shigehisa C/O Fuji Photo Film Co. Ltd. Shimizu
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of EP0329172A2 publication Critical patent/EP0329172A2/de
Publication of EP0329172A3 publication Critical patent/EP0329172A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/0007—Perforation of photographic films
    • 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
    • B26D7/18—Means for removing cut-out material or waste
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed

Definitions

  • This invention relates to a web perforating apparatus for making holes through a web so that the holes stand in rows in the longitudinal direction of the web.
  • This invention particularly relates to a web perforating apparatus for simultaneously but accurately making a plurality of holes in a web.
  • the web In order to improve the perforating efficiency, it is desirable to move the web intermittently before slitting it into predetermined widths, and to provide a plurality of punches side by side across the width of the web so that a plurality of holes can be made simultaneously through the web.
  • a 140mm-wide film web may be moved intermittently, and eight punches may be provided side by side across the width of the film web. In this manner, perforations in four 35mm films can be made simultaneously.
  • many punches are provided side by side in the longitudinal direction of the web, the time per unit length of the web during which the web must be stopped can be shortened, and therefore the perforating efficiency can be improved.
  • the punches and die plates are prepared separately.
  • the punches and pilot pins are first secured to the bottom surface of a vertically moveable ram of a punching machine. Then, the die plate is positioned below the punches, and the ram is manually lowered slowly. At this time, the position of the die plate must be adjusted by visually confirming that the die plate does not interfere with the pilot pins and the punches.
  • the die plate After moving the ram up and down several times and confirming that the punches are aligned with the centers of die cavities, the die plate is secured firmly to the punching machine. Therefore, it is very difficult to align the cutting edges of the punches and the die with each other without damaging the punches and the die plate.
  • the punches are provided side by side across the width of the web and/or in the longitudinal direction thereof it is difficult to position them accurately at the centers of the die cavities. Aligning the cutting edges of the punches and the die with each other can be facilitated by shortening the lengths of the punches.
  • the primary object of the present invention is to provide a web perforating apparatus wherein a large number of holes are made simultaneously, and a high processing accuracy and good performance in the cutting operation are maintained over a long period of time.
  • Another object of the present invention is to provide a web perforating apparatus which enables the quick replacement of the punches and die with new ones.
  • the present invention provides a web perforating apparatus in which a web is moved intermittently in its longitudinal direction, a die having die cavities is provided on one surface side of the web, and punches are inserted into the die cavities from the other surface side of the web while the web is stopped, thereby making holes in the web so that the holes stand in rows in the longitudinal direction of the web, wherein the improvement comprises:
  • the positions of the punches are adjusted accurately at their base portions, which are secured to the die set, and at the punch guide through holes in the stripper. Because the positions of the punches are each adjusted at two points, even if the punches are originally made slightly longer than necessary in order to provide an allowance for re­grinding and even if a large number of punches are provided, they can be made to fit accurately into the die cavities. Therefore, a large number of holes can be made simultaneously with a high accuracy.
  • the die set comprises the die and the punches connected together through guide members
  • the alignment of the cutting edges of the punches and of the die with each other in a new die set can be carried out in advance outside of the perforating system, and the new die set can replace the old die set. Therefore, the time during which the operation of the perforating system is stopped can be shortened markedly, and the efficiency of the perforating operation can be improved.
  • an embodiment of the web perforating apparatus in accordance with the present invention is constituted for, for example, making perforations along both side edge portions of each of a group of 35mm photographic film strips which have not yet been cut away from each other.
  • the embodiment comprises a die set 10, a sprocket roller 12 for moving a 140mm-wide photographic film web 11, which will later be slit into four 35mm photographic films, in the direction indicated by arrow A in Figure 1, and an operating device 13 for rotating the sprocket roller 12 in the direction indicated by arrow B.
  • the die set 10 is composed of an upper assembly 20, a lower assembly 30, and a stripper 40 provided between the upper assembly 20 and the lower assembly 30.
  • four guide posts (guide members) 31, 31, ... are secured to the lower assembly 30 so that they protrude upwardly from the lower assembly 30.
  • the upper assembly 20 and the stripper 40 are guided by the guide posts 31, 31, ... through pole guides 32, 32, ... and pole guides 33, 33, ...
  • the upper assembly 20 is composed of an upper plate 21, and a punch plate 22 secured to the bottom surface of the upper plate 21.
  • the punch plate 22 is provided with four pin receiving holes 23, 23, ...
  • a hollow connection pin 24 is inserted slidably through each of the pin receiving holes 23, 23, ..., and a bolt 25 is fitted and secured in the lower edge portion of the connection pin 24. Lower edge portions of the bolts 25, 25, ... are screwed into the stopper 40 in order to combine the connection pins 24, 24, ... with the stripper 40.
  • the upper plate 21 is provided with spring accommodating holes 26, 26, ... communicating with the pin receiving holes 23, 23, ..., and coiled springs 27, 27, ... are positioned in the spring accommodating holes 26, 26, ... Each coiled spring 27 is contracted between a spring receiver 28, which is secured through threads to the upper edge portion of each spring accommodating hole 26, and a washer 29 combined with each connection pin 24.
  • a plurality of punches 35, 35, ... are secured to the punch plate 22 of the upper assembly 20 so that they protrude downwardly from the punch plate 22.
  • Each punch 35 has a step-like portion 35a at its base portion.
  • the step-like portion 35a is held by a holding plate 36, and the holding plate 36 is tightened against the punch plate 22 by a bolt 37, thereby securing the punch 35 to the punch plate 22.
  • the punches 35, 35, ... have cross-­sectional shapes identical to the shapes of the perforations 11A, 11A, ... which should be made through the photographic film web 11.
  • a total of 160 punches are provided so that they form 20 rows spaced apart from one another in the direction of movement of the photographic film web 11 and eight rows spaced apart from one another across the width of the photographic film web 11 in a direction normal to the direction of movement thereof.
  • the direction of the width of the photographic film web 11 corresponds to the transverse direction in Figure 2.
  • the stripper 40 is composed of an insert 41, and a plate 42 on which the insert 41 is secured.
  • the insert 41 is provided with punch guide through holes 43, 43, ...
  • the plate 42 is provided with punch guide through holes 44, 44, ... so that the punch guide through holes 43, 43, ... communicate with the punch guide through holes 44, 44, ...
  • the punches 35, 35, ... pass through the punch guide through holes 43, 43, ... and the punch guide through holes 44, 44, ..., and protrude out of the bottom surface of the stripper 40 toward the lower assembly 30.
  • the punch plate 22 is provided with pilot pins 38, 38, ... behind the punches 35, 35, ..., as viewed in the direction of movement of the photographic film web 11.
  • the pilot pins 38, 38, ... protrude downwardly from the punch plate 22 in the same manner as the punches 35, 35, ... Lower edge portions of the pilot pins 38, 38, ... are rounded and tapered, and the pilot pins 38, 38, ... are slightly longer than the punches 35, 35, ...
  • a total of 16 pilot pins 38, 38, ... are provided so that eight pilot pins 38, 38, ...
  • the 16 pilot pins 38, 38, ... are positioned so that they line up with the punches 35, 35, ... and so that the distance between the rear row of the pilot pins 38, 38, ..., as viewed in the direction of movement of the photographic film web 11, and the front row of the punches 35, 35, ..., as viewed in said direction, is equal to the distance between each of the punches 35, 35, ... in said direction.
  • the lower assembly 30 is composed of a lower plate 51 secured to a support plate 50 which constitutes part of the perforating system, and a die insert 52 secured to the upper surface of the lower plate 51.
  • the die insert 52 is provided with die cavities 53, 53, ... matched to the punches 35, 35, ...
  • Each die cavity 53 communicates with a through hole 54 which is positioned under the die cavity 53 and which has a size larger than that of the die cavity 53.
  • a pair of guides 55A and 55B for adjusting the position of the photographic film web 11 at both its side edges, and a plurality of stoppers 56, 56, ... which come into contact with the bottom surface of the stripper 40 when the stripper 40 is moved down.
  • the photographic film web 11 placed on the die insert 52 is intermittently moved in the direction indicated by the arrow A in Figure 1 by a movement means comprising the sprocket roller 12.
  • the length over which the photographic film web 11 is moved per perforating step is adjusted to be 20 times as long as the interval between two adjacent punches 35, 35, which interval is measured in the direction of movement of the photographic film web 11.
  • a press means 60 coupled with the upper assembly 20 is interlocked with the film movement mechanism through a known means. After the movement of the photographic film web 11 is stopped, the press means 60 is moved down over a predetermined distance.
  • the upper assembly 20 and consequently the punches 35, 35, ... are moved down, and the stripper 40 is moved down together with the upper assembly 20.
  • the stripper 40 contacts the stoppers 56, 56, ... and stops.
  • the press means 60 is moved further down, so that the springs 27, 27, ... are contracted, and the punch plate 22 is moved down as it slides along the connection pins 24.
  • the pilot pins 38, 38, ... first enter perforations 11A, 11A, ... which have already been made by the punches 35, 35, ...
  • Each punch guide through hole 43 has a dimension such that a space as small as, for example, 5 ⁇ m is formed between the inner surface of the punch guide through hole 43 and the outer circumferential surface of each punch 35. Therefore, the punches 35, 35, ... are moved down while they are guided within the punch guide through holes 43, 43, ..., which have a very close tolerance fit with the punches 35, 35, ..., and they can therefore be accurately positioned as they closely approach the die cavities 53, 53, ...
  • the punches 35, 35, ... are made slightly longer than necessary for providing an allowance for re-grinding which will be required after they are used for some period of time, they can be fitted accurately into the die cavities 53, 53, ... without interfering with portions of the die insert 52 around the die cavities 53, 53, ...
  • the press means 60 is moved up, and the punches 35, 35, ... and the pilot pins 38, 38, ... are pulled up out of the perforations 11A,11A, ...
  • upward movement of the stripper 40 is begun after the upper surface of the punch plate 22 which is being moved up pushes up the washers 29, 29, ... of the connection pins 24, 24, ... Therefore, if the photographic film web 11 starts to move up with the punches 35, 35, ... because of friction between the perforations 11A, 11A, ... and the punches 35, 35, ..., the stripper 40 holds the photographic film web down, and the punches 35, 35, ... can be drawn out of the perforations 11A, 11A, ...
  • the photographic film web 11 is again moved forward by the predetermined distance by the sprocket roller 12 and the like, and the next perforating step is carried out.
  • the perforations 11A, 11A, ... are made in the photographic film web 11 at predetermined intervals in eight rows extending in the longitudinal direction thereof.
  • the 140mm-­ wide photographic film web 11 is divided into four sections by cutting along the chained lines shown in Figure 1. In this manner, four 35mm photographic film strips having the perforations 11A, 11A, ... in two rows, the rows running along each side edge, are obtained.
  • the guides 55A and 55B adjust the position of the photographic film web 11 so that the perforations 11A, 11A, ... are made at predetermined positions spaced apart from both side edges of the photographic film web 11.
  • Two reference planes intersecting at right angles may be formed at part of the lower assembly 30, and may be aligned with reference planes on the perforating system side when the die set 10 is installed on the perforating system. In this case, the die set 10 can be installed accurately and quickly.
  • each pilot pin 38 may be held by nuts 70 and 71 which mesh with the upper plate 21, and the pilot pin 38 may be secured to the upper assembly 20.
  • a spacer 72 positioned between a step-like portion 38b of each pilot pin 38 and the upper assembly 20 may be replaced with a thicker one in accordance with the length of each punch 35. In this manner, the lower edge of each punch 35 can be kept at a predetermined height with respect to the lower edge of each pilot pin 38.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP89102792A 1988-02-17 1989-02-17 Vorrichtung zum Perforieren von Bahnen Withdrawn EP0329172A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP34650/88 1988-02-17
JP3465088A JPH01210299A (ja) 1988-02-17 1988-02-17 ウェブ穿孔装置

Publications (2)

Publication Number Publication Date
EP0329172A2 true EP0329172A2 (de) 1989-08-23
EP0329172A3 EP0329172A3 (de) 1990-08-29

Family

ID=12420315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89102792A Withdrawn EP0329172A3 (de) 1988-02-17 1989-02-17 Vorrichtung zum Perforieren von Bahnen

Country Status (2)

Country Link
EP (1) EP0329172A3 (de)
JP (1) JPH01210299A (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0577094A1 (de) * 1992-06-30 1994-01-05 Cerberus Ag Schutzüberzug für elektronische Baugruppen, sowie Verfahren zu dessen Herstellung
EP0605802A2 (de) * 1992-12-07 1994-07-13 Fuji Photo Film Co., Ltd. Locher
EP0623432A1 (de) * 1993-04-08 1994-11-09 Eastman Kodak Company Verfahren und Vorrichtung zum Transport sowie zum Lochstanzen eines bandförmigen Materials
EP0781634A1 (de) * 1995-12-25 1997-07-02 Ngk Insulators, Ltd. Vorrichtung zum schrittweise Zuführen sowie Lochen von blattförmigen Materialien
US5992280A (en) * 1992-12-07 1999-11-30 Fuji Photo Film Co., Ltd. Perforator for metal plate
US6003420A (en) * 1994-04-26 1999-12-21 Fuji Photo Film Co., Ltd. Apparatus for manufacturing photographic filmstrips
EP1036637A1 (de) * 1999-03-17 2000-09-20 De La Rue Giori S.A. Entwertungsvorrichtung zum perforieren von flächenförmigen Objekten
US6257112B1 (en) 1994-04-26 2001-07-10 Fuji Photo Film Co., Ltd. Apparatus for manufacturing photographic filmstrips

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7142044B2 (ja) * 2020-02-25 2022-09-26 アピックヤマダ株式会社 打抜金型の組立方法及び打抜金型

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR404913A (fr) * 1908-10-30 1909-12-15 Theophile Joseph Lucien Prevos Machine à perforer les films employés dans les cinématographes
FR11649E (fr) * 1908-10-30 1910-03-30 Theophile Joseph Lucien Prevos Machine à perforer les films employés dans les cinématographes
US1302249A (en) * 1919-01-15 1919-04-29 Duplex Machine Co Punch for perforating films.
GB142204A (en) * 1919-02-05 1920-04-29 Albert Summers Howell Apparatus for perforating cinematographic film
DE417958C (de) * 1924-08-08 1925-08-21 Anilin Fabrikation Ag Befestigung der Stoesselwerkzeuge an Filmperforiermaschinen
DE448337C (de) * 1924-07-13 1927-08-16 I G Farbenindustrie Akt Ges Staubabsaugevorrichtung an Filmperforiermaschinen
US1782570A (en) * 1927-07-06 1930-11-25 Bell & Howell Co Strip-perforating machine
US2955066A (en) * 1956-09-07 1960-10-04 Johnson & Johnson Method for perforating movie film splicing tape
US3545322A (en) * 1968-11-12 1970-12-08 Zyco Mfg Inc Slitting apparatus
FR2224273A1 (en) * 1973-04-05 1974-10-31 Ravel Leon Perforating punch - particularly for plastic sheet, with pneumatic removal of cut out discs

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR404913A (fr) * 1908-10-30 1909-12-15 Theophile Joseph Lucien Prevos Machine à perforer les films employés dans les cinématographes
FR11649E (fr) * 1908-10-30 1910-03-30 Theophile Joseph Lucien Prevos Machine à perforer les films employés dans les cinématographes
US1302249A (en) * 1919-01-15 1919-04-29 Duplex Machine Co Punch for perforating films.
GB142204A (en) * 1919-02-05 1920-04-29 Albert Summers Howell Apparatus for perforating cinematographic film
DE448337C (de) * 1924-07-13 1927-08-16 I G Farbenindustrie Akt Ges Staubabsaugevorrichtung an Filmperforiermaschinen
DE417958C (de) * 1924-08-08 1925-08-21 Anilin Fabrikation Ag Befestigung der Stoesselwerkzeuge an Filmperforiermaschinen
US1782570A (en) * 1927-07-06 1930-11-25 Bell & Howell Co Strip-perforating machine
US2955066A (en) * 1956-09-07 1960-10-04 Johnson & Johnson Method for perforating movie film splicing tape
US3545322A (en) * 1968-11-12 1970-12-08 Zyco Mfg Inc Slitting apparatus
FR2224273A1 (en) * 1973-04-05 1974-10-31 Ravel Leon Perforating punch - particularly for plastic sheet, with pneumatic removal of cut out discs

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5543008A (en) * 1992-06-30 1996-08-06 Cerberus Ag Method of manufacture of a protective coating on an electronic assembly
EP0577094A1 (de) * 1992-06-30 1994-01-05 Cerberus Ag Schutzüberzug für elektronische Baugruppen, sowie Verfahren zu dessen Herstellung
US5746100A (en) * 1992-12-07 1998-05-05 Fuji Photo Film Co., Ltd. Method of perforating film
US5697272A (en) * 1992-12-07 1997-12-16 Fuji Photo Film Co., Ltd. Method of perforating film
US6062120A (en) * 1992-12-07 2000-05-16 Fuji Photo Film Co., Ltd. Perforator
EP0605802A3 (de) * 1992-12-07 1994-10-12 Fuji Photo Film Co Ltd Locher.
EP0698453A3 (de) * 1992-12-07 1996-11-06 Fuji Photo Film Co Ltd Perforiervorrichtung
US6016730A (en) * 1992-12-07 2000-01-25 Fuji Photo Film Co., Ltd. Perforator
US5697273A (en) * 1992-12-07 1997-12-16 Fuji Photo Film Co., Ltd. Method of perforating film
US6128986A (en) * 1992-12-07 2000-10-10 Fuji Photo Film Co., Ltd. Perforator
EP0605802A2 (de) * 1992-12-07 1994-07-13 Fuji Photo Film Co., Ltd. Locher
US5992280A (en) * 1992-12-07 1999-11-30 Fuji Photo Film Co., Ltd. Perforator for metal plate
EP0623432A1 (de) * 1993-04-08 1994-11-09 Eastman Kodak Company Verfahren und Vorrichtung zum Transport sowie zum Lochstanzen eines bandförmigen Materials
US5461450A (en) * 1993-04-08 1995-10-24 Eastman Kodak Company Apparatus and method for transporting and perforating enlongated strips of material
US6336406B1 (en) 1994-04-26 2002-01-08 Fuji Photo Film Co., Ltd. Apparatus for manufacturing photographic filmstrips
US6003420A (en) * 1994-04-26 1999-12-21 Fuji Photo Film Co., Ltd. Apparatus for manufacturing photographic filmstrips
US6257112B1 (en) 1994-04-26 2001-07-10 Fuji Photo Film Co., Ltd. Apparatus for manufacturing photographic filmstrips
EP0781634A1 (de) * 1995-12-25 1997-07-02 Ngk Insulators, Ltd. Vorrichtung zum schrittweise Zuführen sowie Lochen von blattförmigen Materialien
US5836226A (en) * 1995-12-25 1998-11-17 Ngk Insulators, Ltd. Apparatus for progressively feeding and machining sheet material
EP1036637A1 (de) * 1999-03-17 2000-09-20 De La Rue Giori S.A. Entwertungsvorrichtung zum perforieren von flächenförmigen Objekten

Also Published As

Publication number Publication date
JPH01210299A (ja) 1989-08-23
EP0329172A3 (de) 1990-08-29

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