EP1057596B1 - Dispositif pour régler la position entre un éjecteur de déchets et un cylindre de découpage. - Google Patents

Dispositif pour régler la position entre un éjecteur de déchets et un cylindre de découpage. Download PDF

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Publication number
EP1057596B1
EP1057596B1 EP00108418A EP00108418A EP1057596B1 EP 1057596 B1 EP1057596 B1 EP 1057596B1 EP 00108418 A EP00108418 A EP 00108418A EP 00108418 A EP00108418 A EP 00108418A EP 1057596 B1 EP1057596 B1 EP 1057596B1
Authority
EP
European Patent Office
Prior art keywords
ejector
cylinder
support
waste
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.)
Expired - Lifetime
Application number
EP00108418A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1057596A3 (fr
EP1057596A2 (fr
Inventor
Edouard Borel
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 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 SA filed Critical Bobst SA
Publication of EP1057596A2 publication Critical patent/EP1057596A2/fr
Publication of EP1057596A3 publication Critical patent/EP1057596A3/fr
Application granted granted Critical
Publication of EP1057596B1 publication Critical patent/EP1057596B1/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
    • B26D7/1836—Means for removing cut-out material or waste by pulling 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2096—Means to move product out of contact with tool
    • Y10T83/21—Out of contact with a rotary tool
    • Y10T83/2111—Mover is resiliently mounted
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2096—Means to move product out of contact with tool
    • Y10T83/21—Out of contact with a rotary tool
    • Y10T83/2118—Stationary mover
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2096—Means to move product out of contact with tool
    • Y10T83/217—Stationary stripper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2183—Product mover including gripper means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2207—Means to move product in a nonrectilinear path
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4836—With radial overlap of the cutting members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9457—Joint or connection
    • Y10T83/9461—Resiliently biased connection

Definitions

  • the present invention relates to a device for adjusting the position between a waste ejector and a material cutting cylinder in a band of a rotary cutter, this cylinder comprising at least one radial waste retaining needle protruding radially from its surface, said ejector having a rectilinear portion parallel to the generator of said cylinder, traversed by at least one slot coinciding with the trajectory of said radial needle for the passage of the latter.
  • one of two cutting cylinders between which the cardboard strip is cut has radial needles between the cutting nets, which sink in the waste during the cutting operation and separate them from the band by training them with the cylinder, while the band moves away from this cylinder following a horizontal path.
  • edges of these combs should be positioned with a large accuracy with respect to the cylinder. Indeed, if we leave a gap too large between the tops of the cutting nets and the edges of the combs, the waste of cardboard may pass between the comb and the net. This can lead to everything first a deformation of the comb and can also break the radial needle and so a net. The damage usually gets worse as and when rotation of the cylinder until the machine stops. If the difference is too much small, the comb may collide with a cutting net and to also cause chain damage until the machine stops.
  • the comb Since the comb is subjected to shocks whenever it waste and given the very low tolerances allowed for its positioning, it must not only position it with a very large accuracy, but also prevent it from vibrating, if not the two risks mentioned above may occur more or less simultaneously on different combs.
  • the object of the present invention is to remedy, at least in part, the aforementioned drawbacks.
  • this invention relates to a device for adjusting the position between a waste ejector and a material cutting cylinder in a band of a rotary cutter, as defined by claim 1.
  • the device according to the invention comprises few parts and is compact and economical. Its design in which the prestressed blades connecting the two parts of the support play the role of a slide without play, leads to a setting which is not dependent on a hysteresis effect and which has a excellent resolution.
  • This device has a very good rigidity as well static than dynamic in the three axes, including the one in which is made adjustment. Its static and dynamic torsional rigidity is high in the three axes.
  • the adjustment members of the device have orientations directed towards outside the machine, which are easily accessible. The setting and disassembly can be done using the same key, simplifying to the maximum the various interventions on the machine.
  • the cutting cylinders 1, 2 of FIG. cutting module of a rotary cutter which may comprise several modules side by side. Such rotary cutters are generally used to cut cardboard tape to make boxes Folding.
  • one of the two cutting cylinders 1, 2, preferably the lower cylinder 2 is provided with radial needles 8 which protrude radially outside a circle 9 corresponding to the trajectory described by the vertices cutting threads 4-6 around the axis of rotation of the cylinder 2.
  • radial needles 8 are appropriately positioned on the surface of the cylinder 2 at the locations where the cutting of the cardboard strip 7 produces waste 10.
  • these radial needles are pricked in the cardboard strip 7 simultaneously with the cutting of this waste 10, so that when the cardboard strip 7 continues its horizontal trajectory in the direction of the arrow F, the waste 10 is driven in a circular path around of the cylinder 2 in the direction of the arrow F 1 and is therefore separated from the cardboard strip 7.
  • FIG. a portion of the lower cutting cylinder 2 and a radial needle 8 on which a waste 10 is stung.
  • the comb 11 has a slot 11a, oriented perpendicular to its front edge 11b which is parallel to the generator of the cylinder 2.
  • This slot 11a is disposed on the circular path described by the radial needle 8 around the axis of rotation of the cutting cylinder 2, for allow the passage of the radial needle 8, so that the front edge 11b of the comb 11, can get very close to the trajectory 9 of the top of the nets of cuts 4-6, which allows him to engage between this trajectory 9 and the waste 8.
  • This comb 11 is positioned and fixed on a support 12 by screws of 13.
  • This support 12 is itself fixed to the frame (not shown) of the cutting machine via a guide rail or cross member 14 in engagement with a support wing 15 formed on the support 12, which allows to fix this last on the crossbar 14 by a screw 16.
  • the slot 11a of the comb 11 can be made to coincide with the circular path of the radial needle 8.
  • the support 12 comprises two parts, one 12a secured to the support wing 15, the other 12b secured to the comb 11. These two parts are connected to one another by two parallel bending blades 12c.
  • the respective planes of these bending blades 12c are substantially tangent to two circles concentric with the cutting cylinder 2, so that the portion 12b can move within the limit of the elastic deformation of the blades 12c, in the direction of the double arrow F 2 .
  • the parallel blades 12c are in a way a deformable parallelogram allowing them firstly to have a guiding role, defining a movement of the comb 11 along a path perpendicular to the edge 11b of this comb 11, which cuts the cylinder so that the distance between the edge 11b of the comb 11 and the cylinder 2 can be modified. Then these blades 12c play a role of return member in the limit of their elastic deformation, whose role will appear thereafter.
  • the part 12b of the support 12 has a thread 17 whose axis is perpendicular to the planes of flexion blades 12c.
  • a socket 18, threaded and threaded end, ending in a collar 18a at one end, is introduced into an opening of the fixed part 12a of the support 12, arranged coaxially with the 17.
  • This sleeve 18 is retained by its flange 18a and projects into a space 19 formed between the fixed part 12a and the mobile part 12b of the support 12.
  • a nut 20 is engaged on the threaded part of this sleeve 18 in order to fix to the fixed part 12a.
  • the internal thread of the socket 18 and the 17 of the part mobile 12b have different respective steps.
  • the step of tapping 17 is larger than that of the sleeve 18.
  • a set screw 21 has two successive threaded sections, an end section 21a, engaged in the tapping 17 of the movable part 12b and a section 21b engaged in the tapping of the bushing 18. Since the pitch of the tapping 17 is no longer large than that of the sleeve 18, when screwing the adjusting screw 21, it pulls the movable part 12b against the fixed part 12a of the support 12 by bending the 12c blades, thus removing the edge 11b of the comb 11 of the trajectory 9 of the edges of cutting nets 4-6.
  • the force exerted by the shocks produced during the meeting between a comb 11 and a waste 10, has no influence on the adjustment system. In Indeed, most of this force occurs in a direction substantially parallel to the blades 12c and has no significant influence, likely to produce micromovements by catching up the clearance between threads and internal threads of the adjusting system 17, 18, 21.
  • the difference in pitch between the threads 21a, 21b of the adjusting screw 21 produces a displacement of 0.25 mm between the part mobile 12b and the fixed part 12a, by turn of the adjusting screw 21, which corresponds to 0.7 ⁇ m for a rotation of 1 °.
  • the blades 12c have a thickness of 5 mm, a length of 28 mm and a width of 42 mm, corresponding to the width of the support 12. It is interesting to note that the length of parallel blades 12c is substantially equal to their width, which gives them excellent resistance to the twist.
  • supports 12 can be positioned on the along the crossing 14 according to the respective positions and the number of waste to be removed at each revolution of the cutting cylinder 2, each of these supports 12 carrying a comb 11 whose slot 11a coincides with a circular trajectory of a radial needle 8.
  • a sheet 22 extending over the entire length of the cylinders of cutting 1, 2 covers all the supports 12. It is located in the extension of the upper face of the comb 11. It makes it possible to protect the adjusting systems while facilitating the flow of waste 10, avoiding they do not cling for example to the slot 19.

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)
  • Details Of Cutting Devices (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Making Paper Articles (AREA)
EP00108418A 1999-06-01 2000-04-18 Dispositif pour régler la position entre un éjecteur de déchets et un cylindre de découpage. Expired - Lifetime EP1057596B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH102699 1999-06-01
CH01026/99A CH693169A5 (fr) 1999-06-01 1999-06-01 Dispositif pour régler la position entre un éjecteur de déchets et un cylindre de découpage.

Publications (3)

Publication Number Publication Date
EP1057596A2 EP1057596A2 (fr) 2000-12-06
EP1057596A3 EP1057596A3 (fr) 2004-08-04
EP1057596B1 true EP1057596B1 (fr) 2005-10-12

Family

ID=4200727

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00108418A Expired - Lifetime EP1057596B1 (fr) 1999-06-01 2000-04-18 Dispositif pour régler la position entre un éjecteur de déchets et un cylindre de découpage.

Country Status (13)

Country Link
US (1) US6397714B1 (zh)
EP (1) EP1057596B1 (zh)
JP (1) JP3357339B2 (zh)
KR (1) KR100374675B1 (zh)
CN (1) CN1174839C (zh)
AT (1) ATE306372T1 (zh)
AU (1) AU764343B2 (zh)
BR (1) BR0002171A (zh)
CA (1) CA2308673C (zh)
CH (1) CH693169A5 (zh)
DE (1) DE60023067T2 (zh)
ES (1) ES2250045T3 (zh)
TW (1) TW450843B (zh)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6681666B2 (en) * 2000-12-28 2004-01-27 Alan R. Pfaff, Jr. Method and apparatus for scrap removal from rotary dies
US6949059B2 (en) * 2002-09-18 2005-09-27 Winkler + Dunnebier, Ag Two cylinder one piece pin stripping device
US20050274247A1 (en) * 2004-06-14 2005-12-15 Sean Talkington Stripper apparatus and methods for rotary dies
DE102008033775B4 (de) * 2008-07-18 2011-04-07 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Wellpappe-Anlage mit einer Schleusen-Einrichtung und Verfahren zum Ausschleusen von Stücken einer Wellpappe-Bahn
JP5591918B2 (ja) * 2009-05-13 2014-09-17 ボブスト ソシエテ アノニム 包装製造機械におけるツール調節が容易な不要部分排出ユニット
WO2010130429A1 (fr) 2009-05-13 2010-11-18 Bobst Sa Unité d'éjection de déchets a changement d'outil facilité pour une machine de production d'emballages
JP6235047B2 (ja) * 2013-03-08 2017-11-22 ボブスト メックス ソシエテ アノニム 廃物を切断して排出するための装置、カセット、ユニット、及びこれらを備えた機械
CN103331479A (zh) * 2013-07-01 2013-10-02 无锡市威特机械有限公司 一种挤压机剪切机构辅助打料装置
CN104842000A (zh) * 2014-09-17 2015-08-19 无锡市威特机械有限公司 一种挤压机剪切机构辅助打料装置
CN104908099A (zh) * 2015-07-09 2015-09-16 安庆市津海工业产品设计有限公司 一种切纸机的防潮监控装置
CN105538393B (zh) * 2016-02-26 2017-08-01 湖州佳宁印刷有限公司 具有回收废纸功能的切纸机
WO2017153056A1 (fr) * 2016-03-09 2017-09-14 Bobst Mex Sa Organe ejecteur et machine de traitement d'elements en forme de feuilles
CN105904506B (zh) * 2016-05-24 2017-11-24 浙江国新中药饮片有限公司 一种气压立式调频切片机的安装防护装置
CN106113132B (zh) * 2016-07-01 2018-10-19 泰州长力树脂管有限公司 切割不同尺寸胶管的切割方法
CN106695983A (zh) * 2016-12-30 2017-05-24 重庆皖渝纸制品有限公司 纸板余料分离装置
CN106863434B (zh) * 2017-02-23 2018-10-16 京东方科技集团股份有限公司 清除装置及其操作方法、切割装置
CN107053309B (zh) * 2017-03-31 2018-08-24 台州市黄岩圣展工艺品有限公司 一种用于板材切割的启动装置
CN110774337B (zh) * 2019-11-18 2020-12-11 嘉兴市创美电器有限公司 一种废旧瓦楞纸回收装置
CN118514386B (zh) * 2024-07-19 2024-09-27 晋江市现代彩色印刷有限公司 纸箱生产的环保型印刷机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899871A (en) * 1959-08-18 Stripper mechanism
US2024404A (en) * 1932-03-25 1935-12-17 Us Slicing Machine Co Slicing machine
US2341956A (en) * 1943-07-22 1944-02-15 Edwin G Staude Patch applying mechanism
US3893359A (en) * 1974-05-22 1975-07-08 Clyde G Gregoire Scrap stripper for printer
FR2671026B1 (fr) * 1990-12-26 1995-08-04 Atn Dispositif de decorticage d'une nappe de carton ou materiau similaire.

Also Published As

Publication number Publication date
AU3779000A (en) 2000-12-07
KR20010066786A (ko) 2001-07-11
ES2250045T3 (es) 2006-04-16
DE60023067T2 (de) 2006-07-13
US6397714B1 (en) 2002-06-04
CN1174839C (zh) 2004-11-10
DE60023067D1 (de) 2005-11-17
CA2308673C (en) 2004-05-18
AU764343B2 (en) 2003-08-14
BR0002171A (pt) 2001-01-02
JP2000343484A (ja) 2000-12-12
KR100374675B1 (ko) 2003-03-04
EP1057596A3 (fr) 2004-08-04
CH693169A5 (fr) 2003-03-27
CN1275472A (zh) 2000-12-06
CA2308673A1 (en) 2000-12-01
EP1057596A2 (fr) 2000-12-06
ATE306372T1 (de) 2005-10-15
JP3357339B2 (ja) 2002-12-16
TW450843B (en) 2001-08-21

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