EP1334771A1 - Destructeur de documents - Google Patents

Destructeur de documents Download PDF

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Publication number
EP1334771A1
EP1334771A1 EP03002761A EP03002761A EP1334771A1 EP 1334771 A1 EP1334771 A1 EP 1334771A1 EP 03002761 A EP03002761 A EP 03002761A EP 03002761 A EP03002761 A EP 03002761A EP 1334771 A1 EP1334771 A1 EP 1334771A1
Authority
EP
European Patent Office
Prior art keywords
cutting
shredder according
scraper
roller
shredder
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.)
Granted
Application number
EP03002761A
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German (de)
English (en)
Other versions
EP1334771B1 (fr
Inventor
Hermann Schwelling
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1334771A1 publication Critical patent/EP1334771A1/fr
Application granted granted Critical
Publication of EP1334771B1 publication Critical patent/EP1334771B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
    • B02C2018/0069—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents with stripping devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C2018/147—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers of the plural stage type

Definitions

  • the invention relates to a document shredder of large design, the for shredding large quantities as well as large volumes Data carrier material, such as paper stacks, cardboard boxes, File folders, files and the like materials, is used.
  • Data carrier material such as paper stacks, cardboard boxes, File folders, files and the like materials
  • the object of the invention is a To create shredders, with the large format and / or large volume said media with a high volume Efficiency, i. with an hourly capacity of more than 2,000 kg, can be crushed, with the crushed material at least security level 3.
  • the crux of the invention is, on the one hand, that at least two superimposed Crushing units (cutting units) are provided, wherein at least the upper crushing unit two on top of each other having arranged pairs of work rolls.
  • the upper pair of work rolls Feed rollers and the lower pair of work rolls Cutting rollers are.
  • the bottom pair of work rolls, so the parallel to each other arranged cutting rollers are arranged so that the Cutting discs of these work rolls at least comb in sections.
  • Work rolls of the upper pair are not intermeshing and arranged so that the imaginary outer perimeter of each feed knife this Feeding rollers with a small distance to the imaginary circumference the sections interrupted peripheral surface of the Cutting discs of the respective associated cutting roller is positioned.
  • the cutting rollers are made of one piece of solid steel, so they are robust and resistant to bending.
  • these cutting rollers are made of wear-resistant chrome-nickel steel, wherein the cutting edges of the cutting discs of these cutting rollers are hardened.
  • the cutting discs of these cutting rollers are also provided with a special geometry, which will be described in more detail in the following description parts.
  • a common scraper is assigned in the shredding units of the shredder, which are equipped with four work rolls, the substantially stacked work rolls, ie each a cutting roller and a feed roller.
  • the scraper can be assembled in one piece or from individual parts.
  • the tine-like projections of the scrapers engage in the spaces between the cutting discs of the cutting roller and the spaces between the feed of the feed roller and engage, preferably in a half-shell shape, to the respective core diameter of these work rolls.
  • the end regions of the wiper tines resting against the relevant core diameter are formed at an acute angle.
  • the top cutting through scrapers are responsible for the cleaning of the feed roller and the cutting rollers. Because a common scraper / Abstreiferkamm is associated with the lower right and the right upper work roll and the left lower and the left upper work roll of the cutting unit, it is avoided that clippings are repeatedly pulled through the cutting unit. As a result, another performance-reducing factor has been eliminated.
  • a material bridge would be an automatic Slipping the comminuted material to the cutting rollers out, at least temporarily, disrupting the efficiency of a Shredder negatively influenced, ie against the Task works.
  • each drive is assigned to each drive.
  • the drive is preferably designed as a chain drive. With this drive will the respective cutting roller driven directly.
  • each drive is sprung on the housing arranged. The drive of the feed rollers takes place via another chain drive from the associated cutting roller out.
  • Figures 1 and 2 show the new document shredder in a side view and a perspective view, wherein the trim parts of the shredder 1 are removed.
  • the possible embodiment of the new document shredder shown here comprises a first cutting unit 100, a second cutting unit 200 and a third cutting unit 300, which are arranged in a rack 2 in the order of listing from top to bottom.
  • the frame 2 consists of four corner pillars 10, 11, 12 and 13, which are connected by means of longitudinal webs 9 and 8 and transverse webs 2.5 to 2.10 and form a frame.
  • the described exemplary embodiment is conceptually subdivided into an upper region 2.1, a second region 2.2, a third region 2.3 and a lower region 2.4.
  • the planes in which the guides 3.1 to 3.3 are respectively arranged form the horizontally lying planes E 1, E 2 and E 3, these planes each lying in the border region between two adjacent regions.
  • longitudinally slidable runners 6 and 7 are provided.
  • skids may be part of the guides or component of the housing of the respective cutting units 200 and 300.
  • This embodiment has the advantage that, depending on the task, so on the type of raw material to be shredded, at least the second cutting mechanism 200 or the third cutting unit 300 optional can be replaced or removed against a cutting unit of other power.
  • the respective transitional region between the outlet opening 106 of the first cutting mechanism 100 and the overhead inlet opening of the second cutting mechanism 200 and the downwardly disposed outlet opening of the second cutter 200 and the overhead inlet opening of the third cutter 300 is through a first hopper 4 and a second hopper 5 bridged and sealed off from the environment, so that shredded material can not easily fall sideways from the shredder.
  • the cutting performance of the first cutting unit 100, the second cutting unit 200 and the third cutting unit 300 are coordinated so that the respective lower cutting unit on the one hand is not empty and on the other hand, the feed, formed from the respective hopper 4 and 5 and above the cutting rollers space in the respective cutting unit, is not clogged.
  • the upper cutting mechanism 100 is first explained.
  • a frame is provided for mounting, storage and management of the components of the cutting .
  • This consists of side parts 101 and 102 which are spaced from each other by front side members 103 and 104 are connected to each other.
  • a drive 110 or 111 is respectively arranged, with the interposition of a chain drive, the work rolls 120, 130, 140 and 150 are driven.
  • the drive 110 is mounted on a bearing plate 107, wherein this bearing plate 107 is articulated on a tilting bearing 108.
  • the tilting bearing 108 is provided sideways of the center of mass of the drive 110.
  • an adjustable stop 109 is provided on the bearing plate 107, which is directed in the direction of the front side part 103 of the frame 101 and connected to selbigen 103.
  • This adjustable stop 109 is used to provide the necessary tension to the drive chain, indicated only by dashed lines in FIG. 4, with which the drive wheel 110.1 of the drive 110 is connected to the driven sprocket of the left cutting roller 120 mounted on the pin 112 to give.
  • the chain tension is essentially made by the "tilting bearing" of the drive.
  • the adjustable stop 109 is also designed as a damping element, so that acting on the drive load peaks can be intercepted.
  • the drive for the second, right cutting roll 130 is similar constructed as the drive described above. This Drive is designated by the reference numerals 111, 111.1, 113.
  • the first cutting unit 100 comprises four work rolls, the cutting rolls 120 and 130 and the feed rolls 140 and 150.
  • the two cutting rolls 120 and 130 are, lying parallel to each other, below the other two work rolls, the feed rolls 140 and 150 arranged.
  • Each of the two solid steel cutting rollers 120 and 130 has a plurality of spaced cutting discs 121 and 131, respectively.
  • the cutting rollers 120 and 130 are, as viewed in the longitudinal direction, arranged offset to one another, so that the cutting discs 121 of the left cutting roller 120 meshing with the existing between the spaced cutting discs 131 of the right cutting roller 130 gaps and vice versa, the cutting discs 131 in the gaps between the Cutting discs 121.
  • the overhead feed rollers 140 and 150 are also aligned parallel to one another and laterally offset relative to the respective cutting roller 120 or 130 in the direction of the front side part 103 or 104.
  • the feed rollers 140 and 150 are provided with a plurality of feed knives 143 and 153, respectively, which are in turn spaced by spacer rings 144 and 154, respectively, on the respective take-up shaft 141 and 151, respectively.
  • These feed rollers 140 and 150 are also arranged so that they do not mesh with the respective cutting discs 121 and 131 of the respective associated cutting roller 120 and 130, respectively.
  • the drive of the left cutting roller 120 is effected by the drive 110.
  • the drive wheel 110.1 of the drive 110 is provided with a chain indicated by a dashed line in this figure with one on the journal 112 locked driven sprocket connected.
  • a drive wheel 112.1 is also arranged, which is in engagement with a driven wheel 112.2, which is arranged on a journal of the take-up shaft 141 of the left feed roller 140. The same applies mutatis mutandis to the right part of the cutting unit.
  • the drive for the right feed roller 150 is also provided on the side portion 102 side of the frame.
  • a drive wheel 113.1 is arranged, which is in engagement with the mounted on the take-up shaft 151 of the right feed roller 150 driven wheel 113.2.
  • the right lower work roll, the cutting roll 130, and the right upper work roll, the feed roll 150, and the left lower work roll, the cutting roll 120, and the left upper work roll are , the feed roller 140, each a common scraper / scraper comb, the right scraper 117 and the left scraper 116, respectively.
  • each scraper 116 and 117 recesses are provided, which are respectively associated with the core diameters 122 and 132 and preferably enclose the core diameter 122 and 132 in the form of a half shell.
  • the end portions of the wiper tines of these wipers are preferably formed acute-angled.
  • the left scraper 116 and the right scraper 117 are supported with their lower portions 118 and 119 by a respective support rod 14 and with their upper portions in each case by a support strip 15.
  • the support rods 14 and the support strips 15 are themselves locked between and on the side parts 101 and 102 of the frame.
  • the cutting mechanism 100 is shown in side view in FIG Section "B-B" as shown in Figure 4 shown.
  • the side part 102 Between the front side parts 103 and 104, the side part 102 to see.
  • the Cutting rollers 120 and 130 stored, in each case the Journal of these cutting rollers can be seen.
  • the Feeding rollers 140 and 150 Above this pair of cutting rollers are the Feeding rollers 140 and 150 are stored; with 141 and 151 are the Shooting waves of the feed rollers 140 and 150 respectively.
  • the side part 102 is the working space with a Wear plate 16 provided, see also the figure 3.
  • This wear plate 16 is also not on the in Figure 6 shown side part 101 is provided.
  • the usage allows such wear plates 16 on the side panels the use of weight-reducing materials for these Side panels.
  • these side parts 101 and 102 at Made of aluminum-containing materials that are lighter However, not as resistant to abrasion as the wear plates 16.
  • the Side parts 101 and 102 do not have to be completely over Wear plates 16 be covered, it is quite sufficiently, these wear plates 16 only in the inlet area to provide the cutting unit.
  • These wear plates 16 can each one side part in one piece, as well as in several parts be executed. In the figure 6 is a multi-part design this wear plate 16 shown.
  • wear plate 16 arranged in the left region shown.
  • This shown wear plate 16 is a mirror image also arranged for the right part of the side part 102 intended.
  • This constructive design also allows material and thus cost savings, In addition, for the maintenance or repair case time-saving replacement of a worn wear plate 16 guaranteed.
  • FIG. 7 shows the detail "A" of FIG. 4, namely a view from above of a part of the right side of the first cutting mechanism 100.
  • the engagement of the parts of the cutting rollers 120 and 130 and the position are shown the feed knife 153 of the right-hand feed roller 150 as well as the spacer ring 154 belonging to the same and the associated right-hand wiper 117.
  • the position of the wear plate 16 on the side part 102 can be seen in plan view.
  • the drive wheel 113.1 and the driven wheel 113.2 which have already been described in detail above, can be seen.
  • each cutting disc 121 and 131 is provided with a V-shaped recess 124 and 134, respectively.
  • the cutting discs 121 of the left cutting roller 120 mesh with the cutting discs 131 of the right cutting roller 130.
  • the core diameters of the respective cutting roller are indicated at 122 and 132, respectively. Further design details of the cutting discs 121 and 131 are shown in Figures 8a and 8b.
  • the right-hand cutting roller 130 is shown in side view shown; the viewing direction is from the drive 111 to Cutting roller down.
  • a profiled pin 113 is provided for Recording of a driven sprocket.
  • the the opposite end of the right cutting roller 130 is as Spigot 113.1 formed, also with a profiled Lateral surface, for receiving a drive wheel.
  • the area between these pins is a variety of each other spaced cutting discs 131 provided.
  • With 132 is each of the core diameter, between two adjacent ones Cutting discs 131 formed gap.
  • each cutting disc is shown below.
  • This figure shows the view "X" from the figure 8a, the illustrated cutting disc 131 is thus viewed from the sprocket 113 ( Figure 4) in side view.
  • the peripheral surface (lateral surface) 133 Recesses 135 in this example four recesses, Cutting teeth 136 are formed.
  • Opposite to Direction of rotation "R" of the right cutting roller 130 are on each Following tooth 136 in the peripheral surface (lateral surface) 133 Recesses 137 provided, however, a significant have less depth than the cutting tooth forming Recesses 135.
  • These each on a cutting tooth 136th following recesses 137 cause an improved hold or gripping the detected by the cutting teeth 136 Materials do not yet pull from a cutting tooth 136 recorded materials to the meshing area of the two Cutting rollers 120 and 130 out.
  • the cutting discs 121 of the left cutting roller 120 are like designed the cutting discs 131 described above.
  • the image of such a cutting disc 121 would therefore be a mirror image representation of the shown in Figure 8b Cutting disc 131.
  • the second cutter 200 and / or the third cutting mechanism 300 is the same construction as above described first cutting unit 100th
  • a modularly expandable shredder has emerged below the level E 3 on the shredder 1, so in the illustrated embodiment below the lower cutting mechanism of the cutting 300-, for example, a collecting container, a conveyor belt for receiving or removing the crushed material or a feed chute for a so-called channel baler can be arranged; this is at the discretion of the user of the new shredder.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
EP03002761.9A 2002-02-06 2003-02-06 Destructeur de documents Expired - Lifetime EP1334771B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10205688 2002-02-06
DE10205688 2002-02-06

Publications (2)

Publication Number Publication Date
EP1334771A1 true EP1334771A1 (fr) 2003-08-13
EP1334771B1 EP1334771B1 (fr) 2016-12-07

Family

ID=27588553

Family Applications (1)

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EP03002761.9A Expired - Lifetime EP1334771B1 (fr) 2002-02-06 2003-02-06 Destructeur de documents

Country Status (3)

Country Link
US (1) US20040104289A1 (fr)
EP (1) EP1334771B1 (fr)
DE (1) DE10304940A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2404677A1 (fr) * 2010-07-08 2012-01-11 Shred-It International Inc. Déchiqueteuse de papier à étages
WO2016070948A1 (fr) 2014-11-07 2016-05-12 Akten-Ex Gmbh & Co Kg Destruction de papier écrit
WO2023062546A1 (fr) * 2021-10-11 2023-04-20 Odwyer Brendan Déchiqueteur rotatif

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004141854A (ja) * 2002-08-28 2004-05-20 Fuji Xerox Co Ltd シュレッダ装置およびその方法
US20060049291A1 (en) * 2004-09-08 2006-03-09 Rajewski David E Blade system for a shredding apparatus
DE102007049028B4 (de) * 2007-10-11 2016-08-18 Jbf Maschinen Gmbh Zerkleinerungseinheit mit mindestens zwei Schneidwerken
DE202009013428U1 (de) * 2009-10-05 2011-03-03 Schwelling, Hermann Aktenvernichter mit Metallerkennung
CN102463179B (zh) * 2010-11-02 2013-12-11 北京和升达信息安全技术有限公司 碎纸机
CA2813487C (fr) 2011-01-14 2016-03-01 Shred-Tech Corporation Dechiquetage de materiau recyclable contenant des informations
DE102012100681B4 (de) 2012-01-27 2022-09-01 Hermann Schwelling Aktenvernichter mit Turbofunktion
EP2846918B1 (fr) * 2012-05-07 2020-01-22 Erdmann GmbH & Co. Kg Broyeuse
ES2710622T3 (es) * 2012-08-16 2019-04-26 Lindner Recyclingtech Gmbh Sistema de corte de doble árbol de varios niveles
CN102896028A (zh) * 2012-09-17 2013-01-30 王雪芬 一种碎纸机的机芯
JP5919324B2 (ja) * 2014-05-08 2016-05-18 株式会社サカエ 細断ユニット及びこれを用いたシュレッダ、シート状物処理装置
DE102014016920A1 (de) * 2014-11-17 2016-05-19 Giesecke & Devrient Gmbh Vorrichtung zum Schreddern von Wertdokumenten
CN110339925A (zh) * 2019-07-10 2019-10-18 大连恒康电子有限公司 高保密碎纸机的机芯组件

Citations (5)

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Publication number Priority date Publication date Assignee Title
DE244761C (fr) *
US3921920A (en) * 1973-04-27 1975-11-25 Huguette Brocard Machine for destroying documents
EP0291774A2 (fr) * 1987-05-16 1988-11-23 Alois Pöttinger Maschinenfabrik GmbH Déchiqueteur à lames rotatives
EP1036595A1 (fr) * 1999-03-17 2000-09-20 SCHLEICHER & Co. INTERNATIONAL AKTIENGESELLSCHAFT Dispositif de destruction de disques supports de données et système de récupération pour ceux-ci
DE10003218A1 (de) * 2000-01-26 2001-08-09 Dahle Buero Technik Verfahren zum Vernichten von gestapelt vorliegendem Blattgut und Vorrichtung zur Verfahrensdurchführung

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US3931935A (en) * 1974-06-24 1976-01-13 Holman Merle A Method of and apparatus for cutting vehicle tires
US4018392A (en) * 1975-12-22 1977-04-19 Wagner John W Shredding machine
US4330092A (en) * 1979-12-07 1982-05-18 The Perkin-Elmer Corporation In-line shredder apparatus
DE4423350C2 (de) * 1993-07-20 1996-09-05 Hermann Schwelling Abstreifersystem für Schriftgutvernichter
US6260780B1 (en) * 1999-08-26 2001-07-17 Fellowes Manufacturing Company Paper shredder shaft
US6390400B1 (en) * 2000-04-05 2002-05-21 Li-Ming Wu Huang Blade of paper shredder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE244761C (fr) *
US3921920A (en) * 1973-04-27 1975-11-25 Huguette Brocard Machine for destroying documents
EP0291774A2 (fr) * 1987-05-16 1988-11-23 Alois Pöttinger Maschinenfabrik GmbH Déchiqueteur à lames rotatives
EP1036595A1 (fr) * 1999-03-17 2000-09-20 SCHLEICHER & Co. INTERNATIONAL AKTIENGESELLSCHAFT Dispositif de destruction de disques supports de données et système de récupération pour ceux-ci
DE10003218A1 (de) * 2000-01-26 2001-08-09 Dahle Buero Technik Verfahren zum Vernichten von gestapelt vorliegendem Blattgut und Vorrichtung zur Verfahrensdurchführung

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2404677A1 (fr) * 2010-07-08 2012-01-11 Shred-It International Inc. Déchiqueteuse de papier à étages
US8770503B2 (en) 2010-07-08 2014-07-08 Shred-It International Ulc Staged paper shredder
WO2016070948A1 (fr) 2014-11-07 2016-05-12 Akten-Ex Gmbh & Co Kg Destruction de papier écrit
DE202015009626U1 (de) 2014-11-07 2018-11-15 Akten-Ex Gmbh & Co. Kg Aktenvernichter
DE202015009627U1 (de) 2014-11-07 2018-11-15 Akten-Ex Gmbh & Co. Kg Papier aus einer Aktenvernichtung
DE202015009629U1 (de) 2014-11-07 2018-11-15 Akten-Ex Gmbh & Co. Kg Anlage zur Aktenvernichtung
WO2023062546A1 (fr) * 2021-10-11 2023-04-20 Odwyer Brendan Déchiqueteur rotatif

Also Published As

Publication number Publication date
DE10304940A1 (de) 2003-08-14
US20040104289A1 (en) 2004-06-03
EP1334771B1 (fr) 2016-12-07

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