WO1999065653A1 - Unite de perforation - Google Patents
Unite de perforation Download PDFInfo
- Publication number
- WO1999065653A1 WO1999065653A1 PCT/SE1999/001064 SE9901064W WO9965653A1 WO 1999065653 A1 WO1999065653 A1 WO 1999065653A1 SE 9901064 W SE9901064 W SE 9901064W WO 9965653 A1 WO9965653 A1 WO 9965653A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- punching
- roll
- rolls
- tool
- positions
- Prior art date
Links
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
- B26F1/38—Cutting-out; Stamping-out
- B26F1/384—Cutting-out; Stamping-out using rotating drums
Definitions
- the present invention relates to a punching unit included in a machine for manufacturing blanks, in particular corrugated fibreboard or paperboard, said unit comprising means for feeding blanks between two rotatable rolls, one of which is provided with punching tools whereas the other serves as a punching die, the tool roll being provided with means which allow the punching tools to be mounted in desired positions on the roll.
- the main object of the present invention is to pro- vide a punching unit in which the downtime when changing or moving the punching tools can be reduced to a minimum to allow substantially continuous operation.
- the invention is based on the knowledge that this can be achieved by using at least two tool rolls, so that one roll can always be located in a working position at the same time as another roll is accessible to replacing of the punching tools or changing of the positions of the tools on the roll.
- the punching unit comprises at least two tool rolls, means for making an optional roll take a working position adjacent to the die roll while at the same time the other takes a ready position, in which it is accessible to mounting of punching tools, and means for temporary locking of the rolls in the positions taken, which locking is easily releasable for changing the positions of the rolls.
- the downtime when changing the punching tools can be reduced to the time required for changing the positions of the two tool rolls, which can be done very quickly, whereby the punching unit can be in substantially continuous opera- tion.
- the rolls are rotatably mounted in bearings in a common revolver disk at each end and that means are arranged for synchronous turning of the two revolver disks when changing between the posi- tions of the rolls.
- the revolver disks are suitably arranged to interact with locking means, which lock the disks temporarily in the positions in which a tool roll is located in a working position adjacent to the die roll. Additional features of the invention are stated in the claims.
- Fig. 1 is a schematic perspective view of a punching unit according to the invention.
- Fig. 2 is a cross-sectional view of the unit according to Fig. 1.
- 1 and 2 respectively, designate the two tool rolls, which are provided with holes 3 or other means for attaching punching tools in desired positions on the roll.
- the punching tools (not shown) are usually mounted on the cylindrical surface area 4 of bent panels 5 of plywood or like material.
- a die roll is designated 6 and is usually provided with a rubber coating, which constitutes a punching die for the tools on the tool roll which is located in the working position adjacent to the die roll.
- the two tool rolls 1 and 2 are mounted in bearings at each end of a common revolver disk 7 and 8, respectively, suitably in such manner that they can be somewhat displaced for fine adjustment transversely of the feeding direction of the blanks.
- the tool rolls are each driven by a servomotor 9 and 10, respectively, mounted on the revolver disk 7.
- the revolver disk 7 is driven by a motor 11 by means of a chain 12 and a gear wheel 13, and the disk 8 is driven in synchronisation with the same by means of the shaft of the motor 11.
- the die roll 6 is driven by a servomotor 15 mounted on one of the end supports 14.
- the punching unit is adapted to punch blanks 15, which are fed by a conveyor 16 to the nip between the tool roll 2, which is in working position, and the die roll 6.
- a piece of sheet-metal is designated 17 and prevents tools, when being mounted on the upper tool roll 1, from falling down onto blanks which are being punched.
- Reference numeral 18 refers to a bridge, on which the operator can stand when mounting the tools on the tool roll 1 in the ready position.
- the revolver disks 7 and 8 are provided with a circumferential slide bearing coating 19, which interacts with a corresponding coating in the side supports.
- the revolver disks can be locked in predetermined positions with the aid of locking means 20, which are pressed into recesses in the revolver disks 7, 8.
- the locking means can be operated by means of, for instance, air cylinders 21.
- the device suitably comprises means which in the locking positions exert a force on the revolver disks, which eliminates any possible play in their bearings. This also prolongs the service life of the bearings and ameliorates the precision of the punching.
- the function of the described punching unit is as follows .
- the blanks 15 as fed are punched by means of the tool roll 2 and the die roll ⁇ .
- the second tool roll 1 can be prepared for a subsequent punching operation by punching tools being mounted in desired positions on the same.
- the locking means 20 are released and the revolver disks 7 and 8 are turned through 180° by means of the motor 11, whereupon they are locked in the new positions with the aid of the locking means 20 and the associated recesses in the revolver disks 7 and 8. After this, the punching of the new series of blanks can be initiated.
- This method allows a substantially continuous punching with very short stoppages for the change between different series of blanks. This is especially advantageous when punching short series, but it is also advantageous in long series, for instance, when worn-out tools need to be replaced with reground ones.
- the mounting of tools on the tool roll in the ready position can also be done without having to work under pressure, which reduces the risks of making mistakes.
- the punching unit according to the invention can also be supplemented with a feed roll which is mounted in bearings in the revolver disks 7 and 8 and which can interact with the die roll 6 in a turning position to let blanks pass through the unit without any machining of the same. The two tool rolls are then idle.
- the locking means 20 are suitably arranged to lock the revolver disks in such a position that the cutting means cuts through the blank at a point where it is supported by the die roll.
- the tool rolls 1 and 2 can be mounted in another mechanism, which allows them to change between a working position adjacent to the die roll and a ready position, in which they are accessible to mounting of punching tools.
- the turning, locking and mounting of the shown revolver disks can be varied as desired. Besides being mounted in a slide bearing, the revolver disks can thus, as an alternative, be mounted by means of roller bearings, needle bearings or the like.
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)
- Making Paper Articles (AREA)
- Details Of Cutting Devices (AREA)
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000554515A JP2002518191A (ja) | 1998-06-18 | 1999-06-15 | 打ち抜き装置 |
DE69927393T DE69927393T2 (de) | 1998-06-18 | 1999-06-15 | Stanzstempeleinheit |
AU48140/99A AU4814099A (en) | 1998-06-18 | 1999-06-15 | Punching unit |
EP99931704A EP1119445B1 (fr) | 1998-06-18 | 1999-06-15 | Unite de perforation |
BR9911335-0A BR9911335A (pt) | 1998-06-18 | 1999-06-15 | Unidade de perfuração. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9802190A SE518566C2 (sv) | 1998-06-18 | 1998-06-18 | Stansenhet |
SE9802190-0 | 1998-06-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999065653A1 true WO1999065653A1 (fr) | 1999-12-23 |
Family
ID=20411770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1999/001064 WO1999065653A1 (fr) | 1998-06-18 | 1999-06-15 | Unite de perforation |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1119445B1 (fr) |
JP (1) | JP2002518191A (fr) |
AU (1) | AU4814099A (fr) |
BR (1) | BR9911335A (fr) |
DE (1) | DE69927393T2 (fr) |
ES (1) | ES2245829T3 (fr) |
SE (1) | SE518566C2 (fr) |
WO (1) | WO1999065653A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5563321B2 (ja) * | 2010-01-22 | 2014-07-30 | リンテック株式会社 | 裁断刃軸保持装置、裁断刃軸交換装置、裁断装置、及び裁断刃軸交換方法 |
DE102014005998B3 (de) * | 2014-04-28 | 2015-05-13 | Fritsch Gmbh | Verfahren und Vorrichtung zur Erzeugung von Zuschnitten von Teigstücken aus einer oder mehreren Teigbahnen |
CN111761648B (zh) * | 2020-07-06 | 2021-08-31 | 焦磊 | 一种方便安装的模切轮 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2177645A (en) * | 1985-07-13 | 1987-01-28 | L & M Ltd | Cross perforator |
DE19544330A1 (de) * | 1995-11-28 | 1997-06-05 | Windmoeller & Hoelscher | Nadelwalzenanordnung mit mehreren Nadelwalzen zur Perforierung einer durchlaufenden Materialbahn |
-
1998
- 1998-06-18 SE SE9802190A patent/SE518566C2/sv not_active IP Right Cessation
-
1999
- 1999-06-15 DE DE69927393T patent/DE69927393T2/de not_active Expired - Lifetime
- 1999-06-15 BR BR9911335-0A patent/BR9911335A/pt active Search and Examination
- 1999-06-15 ES ES99931704T patent/ES2245829T3/es not_active Expired - Lifetime
- 1999-06-15 EP EP99931704A patent/EP1119445B1/fr not_active Expired - Lifetime
- 1999-06-15 AU AU48140/99A patent/AU4814099A/en not_active Abandoned
- 1999-06-15 WO PCT/SE1999/001064 patent/WO1999065653A1/fr active IP Right Grant
- 1999-06-15 JP JP2000554515A patent/JP2002518191A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2177645A (en) * | 1985-07-13 | 1987-01-28 | L & M Ltd | Cross perforator |
DE19544330A1 (de) * | 1995-11-28 | 1997-06-05 | Windmoeller & Hoelscher | Nadelwalzenanordnung mit mehreren Nadelwalzen zur Perforierung einer durchlaufenden Materialbahn |
Also Published As
Publication number | Publication date |
---|---|
SE9802190L (sv) | 1999-12-19 |
AU4814099A (en) | 2000-01-05 |
DE69927393D1 (de) | 2006-02-02 |
SE9802190D0 (sv) | 1998-06-18 |
SE518566C2 (sv) | 2002-10-22 |
DE69927393T2 (de) | 2006-07-06 |
EP1119445A1 (fr) | 2001-08-01 |
ES2245829T3 (es) | 2006-01-16 |
BR9911335A (pt) | 2001-04-03 |
EP1119445B1 (fr) | 2005-09-21 |
JP2002518191A (ja) | 2002-06-25 |
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