EP0693020B1 - Ameliorations relatives a des organes de decoupage d'ebauches de boites en carton - Google Patents

Ameliorations relatives a des organes de decoupage d'ebauches de boites en carton Download PDF

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Publication number
EP0693020B1
EP0693020B1 EP94913366A EP94913366A EP0693020B1 EP 0693020 B1 EP0693020 B1 EP 0693020B1 EP 94913366 A EP94913366 A EP 94913366A EP 94913366 A EP94913366 A EP 94913366A EP 0693020 B1 EP0693020 B1 EP 0693020B1
Authority
EP
European Patent Office
Prior art keywords
frame
sheet
blanking
blank
profile
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.)
Expired - Lifetime
Application number
EP94913366A
Other languages
German (de)
English (en)
Other versions
EP0693020A1 (fr
EP0693020A4 (fr
Inventor
Michael Paul
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.)
Mead Corp
Original Assignee
Mead Corp
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 Mead Corp filed Critical Mead Corp
Publication of EP0693020A1 publication Critical patent/EP0693020A1/fr
Publication of EP0693020A4 publication Critical patent/EP0693020A4/fr
Application granted granted Critical
Publication of EP0693020B1 publication Critical patent/EP0693020B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1818—Means for removing cut-out material or waste by pushing out
    • 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
    • B26D1/547—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 wire-like cutting member
    • B26D1/553—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 wire-like cutting member with a plurality of wire-like cutting members
    • 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

Definitions

  • This invention relates to a carton blanking unit for blanking paperboard blanks and more particularly is concerned with the top blanking frame of such a unit which comprises cooperating top and bottom blanking frames.
  • Blanking units of the type with which the present invention is concerned comprise a static bottom frame and a top frame vertically reciprocal relative to the bottom frame.
  • a sheet of paperboard or other material is fed between the top and bottom blanking frames when the top frame is in a raised position and while the sheet is resident between the two frames and supported by the bottom frame, the top frame is lowered and, by engagement with the sheet and cooperation with the bottom frame the sheet is sheared to produce a plurality of blanks.
  • This process is cyclic and the blanking unit produces a stack of carton blanks below the bottom frame which at some appropriate time is removed so that another stack can be built up.
  • the unit operates at a speed of 5000 - 8000 sheets per hour.
  • the bottom frame of the unit comprises a number of cutting edges.
  • these cutting edges may comprise a series of transverse and longitudinal cutting wires stretched taught across frame side and end members.
  • the bottom frame cutting edges are provided, at least in part, by cutting blades which are shaped to cause the necessary separation of the boundaries of the sheet which define each carton blank.
  • the top frame blanking profiles comprise a multiplicity of adjustable arms which are secured to support bars of the top frame and arranged to act on an area of a sheet to be blanked which area defines a blank to be produced.
  • the adjustable arms are arranged to impact on that sheet area evenly. In order to achieve this numerous such arms are required and the setting-up or make-ready time expended is considerable and the task laborious.
  • One attempt to simplify the arrangement in which a multiplicity of arms is provided involves the use of a single blanking top plate profile approximating the size of the sheet to be blanked and which has a plurality of integral blank profile zones to impact on those areas of the sheet which are to become blanks.
  • US 5 087 236 Another arrangement is shown in US 5 087 236 in which upper and lower dies of a blanking unit are fastened to a hydraulic upper die mount and a lower die support block respectively.
  • the upper die mount can be magnetised by an electro-magnet to connect the upper die to its mount. Conversely switching off the electro-magnet will release the upper die.
  • the complementary dies are formed and adjusted by spacers in a set up station, prior to being moved to the adjacent stamping station.
  • the present invention seeks to achieve the advantages of the known arrangements while avoiding the disadvantage of non-adjustability referred to above.
  • the first adjustable connection means may comprise a connecting leg locked in a set position by an adjustable locking screw.
  • the cutting edges may be provided by a plurality of pre-tensioned wires, wherein the wires are connected to the first frame by adjustable tensioning blocks.
  • the profile plate may include an aperture so positioned to reduce the suction between the profile plate and the blank.
  • the aperture is adapted to improve visibility for inspection.
  • a blanking unit 10 comprises a top frame 12 and a bottom frame 14 of which the top frame is vertically reciprocal, as shown by arrows R, relative to the bottom frame to strike blanks B1-B8 from paperboard sheet 5.
  • the paperboard sheet 5 is fed between the frames, to be supported atop the bottom frame, in the direction of arrow F.
  • the top frame is of generally rectangular form having main longitudinal and transverse frame members 16,18 respectively, and intermediate transverse members 20-26, respectively.
  • Transverse frame member 18 is the leading or grip edge of the frame.
  • Intermediate transverse members 20,22 carry a series of blank profile plates P1-P7 and, likewise intermediate transverse members 24,26 carry a series of blank profile plates P2-P8. All the profile plates are individually slidably adjustable with respect to their associated transverse members by means of connecting legs "l” and can be locked in a set position by an adjustable locking screw "S".
  • each profile plate is adjustable in relation to the blank which it is to strike and with respect to other areas of the sheet.
  • the profile plates are formed from 25mm plywood and include a closed cell sponge face on their lowermost sides. The cushioned lower face has been found to achieve a more positive stacking of the blanks and of course gives protection against damaging the printed surfaces of the blanks.
  • the individual profile plates normally will be formed with at least one window to reduce the suction effect which can take place between the sheet 5 and the foamed face of the plates P1-P8. The window also gives improved visibility for inspection and insitu adjustment of the profile plates.
  • Bottom frame 14 also is of generally rectangular form having main longitudinal and transverse frame members 28, 30 respectively and intermediate longitudinal and transverse cutting edges.
  • the cutting edges comprises longitudinal cutting steels or wires W1-W5 and a transverse cutting steel or wire W6 arranged to shear the sheet 5 along the cut lines shown on the sheet as the profile plates pass through the spaces between adjacent cutting steels or wires.
  • the wires are held taught across the frame by adjustable tensioning blocks "t".
  • a schematic plan view shows a blanking unit 10a in which the blanks to be struck are not rectilinear but have a more complex profile.
  • four blanks B1-B4 are to be struck from a paperboard sheet.
  • Profile plates P1-P4 (shown in stipling) which closely approximate the profiles of blanks to be struck are carried by the top frame 12 of the unit.
  • the plates are all similar; thus, for example, plate P1 is adjustably supported at the locations marked with a "+" by the intermediate frame members 24,26 of the top frame.
  • the plates are each formed with a pair of apertures A1, A2 in order to relieve the suction effect between plate and blank and also to facilitate alignment of the individual plates.
  • initial alignment of the profile plates is carried out by locating the top frame over a tracing of the blanks layout and adjusting each profile plate so that it is accurately superposed upon a blank profile.
  • the profile plates are sized 5mm to 25mm smaller all around their peripheries than the blanks B1-B4 to be produced. Spacers are included, as necessary, to set the profiles in the frame at the correct blanking height.
  • the profile plates can be made to any desired shape or size to suit the carton blanks to be blanked from a sheet.
  • the bottom frame 14 of the blanking unit is provided with longitudinal and transverse cutting edges formed by steel blades (20mm x 3mm) R1 and R2 bevelled to provide a cutting edge and welded together. These cutting edges shear through the sheet to separate one blank area from an adjacent blank area.
  • End E1 of the bottom frame is the so-called grip edge which comprises an end block at the frame member 30 formed from 18mm plywood having a free edge set 1mm from the juxtaposed free edge of the sheet to be blanked.
  • the grip edge carries a number of so-called jogging guides G which are fixed in the plywood to form guide faces for the leading edge of sheet.
  • the term jogging which implies movement is adopted from an earlier arrangement in which guides to assist in stacking of blank were vibrated or "jogged".
  • Other jogging guides G are located at the opposite end of the frame and along each of the sides of the frame.
  • Further lateral guides "GL” formed from plywood are included at the back and sides of the frame. The jogging guides and lateral guides together locate the path of downward travel of the blanks to assist in more accurate and speedy stacking.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Cartons (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)

Claims (5)

  1. Unité de poinçonnage (10, 10a) destinée à frapper des ébauches de carton à partir d'une feuille de matériau, comportant un premier et un second châssis de poinçonnage (14, 12), le premier châssis de poinçonnage (14) se déplaçant en va-et-vient par rapport au second châssis de poinçonnage (12) pour coopérer avec celui-ci de manière à frapper des ébauches à partir d'une feuille de matériau interposée entre lesdits châssis, dans laquelle ledit premier châssis est muni de bords de découpe (W1 à W6) pour cisailler à travers ladite feuille et ledit second châssis de poinçonnage est muni d'un gabarit (P1, P2, P3, P4) pour chaque ébauche à frapper à partir de ladite feuille, chaque gabarit (P1, P2, P3, P4) se conformant sensiblement au contour général de l'ébauche à frapper, des moyens étant fournis pour relier de manière réglable chaque gabarit audit second châssis (12) pour faciliter le réglage in situ du gabarit par rapport auxdits bords de coupe.
  2. Unité de poinçonnage selon la revendication 1, dans laquelle les moyens de liaison réglable comportent une patte de liaison (L) bloquée dans une position établie par une vis de blocage réglable (S).
  3. Unité de poinçonnage selon la revendication 1 ou 2, dans laquelle les bords de découpe sont fournis par plusieurs fils prétendus (W1 à W6), les fils étant reliés au premier châssis par des blocs de mise sous tension réglable (t).
  4. Unité de poinçonnage selon l'une quelconque des revendications précédentes, dans laquelle le gabarit comporte une ouverture (A1, A2) positionnée de manière à réduire l'aspiration existant entre le gabarit et l'ébauche.
  5. Unité de poinçonnage selon la revendication 4, dans laquelle l'ouverture (A1, A2) est adaptée pour améliorer la visibilité lors d'une inspection.
EP94913366A 1993-04-06 1994-04-05 Ameliorations relatives a des organes de decoupage d'ebauches de boites en carton Expired - Lifetime EP0693020B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9307211 1993-04-06
GB939307211A GB9307211D0 (en) 1993-04-06 1993-04-06 Improvements in carton blanking units
PCT/US1994/003732 WO1994022644A1 (fr) 1993-04-06 1994-04-05 Ameliorations relatives a des organes de decoupage d'ebauches de boites en carton

Publications (3)

Publication Number Publication Date
EP0693020A1 EP0693020A1 (fr) 1996-01-24
EP0693020A4 EP0693020A4 (fr) 1996-07-17
EP0693020B1 true EP0693020B1 (fr) 2000-03-22

Family

ID=10733451

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94913366A Expired - Lifetime EP0693020B1 (fr) 1993-04-06 1994-04-05 Ameliorations relatives a des organes de decoupage d'ebauches de boites en carton

Country Status (22)

Country Link
EP (1) EP0693020B1 (fr)
JP (1) JPH08508451A (fr)
KR (1) KR100321524B1 (fr)
CN (1) CN1044217C (fr)
AT (1) ATE190893T1 (fr)
AU (1) AU682180B2 (fr)
CA (1) CA2159902A1 (fr)
CZ (1) CZ287015B6 (fr)
DE (1) DE69423614T2 (fr)
DK (1) DK0693020T3 (fr)
ES (1) ES2144518T3 (fr)
FI (1) FI112335B (fr)
GB (1) GB9307211D0 (fr)
GR (1) GR3033320T3 (fr)
HU (1) HU214997B (fr)
NO (1) NO308512B1 (fr)
NZ (1) NZ265188A (fr)
PL (1) PL173966B1 (fr)
PT (1) PT693020E (fr)
RU (1) RU2126319C1 (fr)
SK (1) SK124995A3 (fr)
WO (1) WO1994022644A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108858389A (zh) * 2018-06-19 2018-11-23 干鑫驰 改良的食物切割设备
US10538374B2 (en) 2015-03-06 2020-01-21 Westrock Packaging Systems, Llc Offset blank nesting

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20016800U1 (de) * 2000-09-29 2001-11-22 Hesse Stanzwerkzeuge GmbH, 31061 Alfeld Nutzentrenngitter
AU2002210858A1 (en) * 2000-11-01 2002-05-15 Joseph Mcardle (Exporting) Limited A sliding jogger and a blanking tool incorporating such jogger
GB0918060D0 (en) * 2009-10-15 2009-12-02 Zaklad Produkcji Opakowan Kart A tool for separating cardboard blanks
RU2525780C2 (ru) * 2012-12-04 2014-08-20 Андрей Юрьевич Ильиных Станок для изготовления прорезей в картонных заготовках
CN106956312A (zh) * 2016-01-12 2017-07-18 王勇 物料分切装置
CN106737984B (zh) * 2016-12-13 2019-02-26 巫山县天煜奇叶农业开发有限公司 凉粉切块工具
CN106737993B (zh) * 2016-12-13 2019-03-01 巫山县天煜奇叶农业开发有限公司 凉粉切块机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US508236A (en) * 1893-11-07 Conduit electric railway
US2054231A (en) * 1934-08-18 1936-09-15 Charles A Buckenmaier Potato slicer
US3981669A (en) * 1970-07-13 1976-09-21 Owens-Corning Fiberglas Corporation Molding apparatus with supporting frame for preform stock material
CH617886A5 (fr) * 1977-05-26 1980-06-30 Bobst Fils Sa J
DE3476350D1 (en) * 1983-11-17 1989-03-02 Sugano Mfg Co Separating device in an automatic stamping machine
SU1482791A1 (ru) * 1987-10-12 1989-05-30 Предприятие П/Я М-5374 Штамп дл многор дной резки тонколистового материала
US5087236A (en) * 1988-12-27 1992-02-11 Hideo Morimoto Separating method and device for separating a shaped section from a waste section
JPH0790514B2 (ja) * 1989-02-20 1995-10-04 日本ダイスチール株式会社 紙器打抜き装置に用いる木型

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10538374B2 (en) 2015-03-06 2020-01-21 Westrock Packaging Systems, Llc Offset blank nesting
CN108858389A (zh) * 2018-06-19 2018-11-23 干鑫驰 改良的食物切割设备
CN108858389B (zh) * 2018-06-19 2020-06-09 吴国英 食物切割设备

Also Published As

Publication number Publication date
ATE190893T1 (de) 2000-04-15
KR100321524B1 (ko) 2002-05-13
CN1123012A (zh) 1996-05-22
NO308512B1 (no) 2000-09-25
FI954740A0 (fi) 1995-10-05
DE69423614T2 (de) 2000-07-13
NO953966L (no) 1995-10-27
PL310999A1 (en) 1996-01-22
FI954740L (fi) 1995-12-05
JPH08508451A (ja) 1996-09-10
HU9502914D0 (en) 1995-12-28
CZ287015B6 (en) 2000-08-16
DK0693020T3 (da) 2000-07-03
CZ261295A3 (en) 1996-04-17
EP0693020A1 (fr) 1996-01-24
CA2159902A1 (fr) 1994-10-13
CN1044217C (zh) 1999-07-21
PT693020E (pt) 2000-06-30
DE69423614D1 (de) 2000-04-27
RU2126319C1 (ru) 1999-02-20
HUT72690A (en) 1996-05-28
NZ265188A (en) 1997-09-22
AU682180B2 (en) 1997-09-25
ES2144518T3 (es) 2000-06-16
AU6555694A (en) 1994-10-24
EP0693020A4 (fr) 1996-07-17
KR960701838A (ko) 1996-03-28
WO1994022644A1 (fr) 1994-10-13
GB9307211D0 (en) 1993-05-26
NO953966D0 (no) 1995-10-05
FI112335B (fi) 2003-11-28
HU214997B (hu) 1998-08-28
PL173966B1 (pl) 1998-05-29
GR3033320T3 (en) 2000-09-29
SK124995A3 (en) 1996-08-07

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