EP0371393B1 - Dispositif pour découper des déchets - Google Patents

Dispositif pour découper des déchets Download PDF

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Publication number
EP0371393B1
EP0371393B1 EP89121597A EP89121597A EP0371393B1 EP 0371393 B1 EP0371393 B1 EP 0371393B1 EP 89121597 A EP89121597 A EP 89121597A EP 89121597 A EP89121597 A EP 89121597A EP 0371393 B1 EP0371393 B1 EP 0371393B1
Authority
EP
European Patent Office
Prior art keywords
knife
channel
pipe
blade
comminution apparatus
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
EP89121597A
Other languages
German (de)
English (en)
Other versions
EP0371393A2 (fr
EP0371393A3 (fr
Inventor
Alfred Schmeck
Rainer Grusdt
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.)
Tiromat Kraemer and Grebe GmbH and Co KG
Original Assignee
Kraemer and Grebe GmbH and Co KG Maschinenfabrik
Tetra Laval Convenience Food GmbH and Co KG
Kraemer and Grebe KG
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 Kraemer and Grebe GmbH and Co KG Maschinenfabrik, Tetra Laval Convenience Food GmbH and Co KG, Kraemer and Grebe KG filed Critical Kraemer and Grebe GmbH and Co KG Maschinenfabrik
Publication of EP0371393A2 publication Critical patent/EP0371393A2/fr
Publication of EP0371393A3 publication Critical patent/EP0371393A3/fr
Application granted granted Critical
Publication of EP0371393B1 publication Critical patent/EP0371393B1/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
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
    • 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
    • B26D1/0006—Cutting members therefor
    • 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
    • B26D1/04—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 linearly-movable cutting member
    • B26D1/06—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 linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—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 linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • B26D1/085—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 linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type for thin material, e.g. for sheets, strips or the like
    • 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
    • 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
    • B26D1/0006—Cutting members therefor
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations
    • 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
    • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
    • B26D2007/0068—Trimming and removing web edges

Definitions

  • the invention relates to a comminution device for elongated objects to be comminuted pneumatically through a duct, the comminution device being provided on the duct with an associated knife.
  • two endlessly fed strips of film are usually welded or sealed to one another after the object to be packaged has been interposed. These film strips are usually guided at their edge areas, for example using endless transport chains. After closing the package, d. H. After the upper film and the lower film have been welded, the edge strips are separated and are usually fed to a container through one or more channels. The strips are usually conveyed in the ducts or pipes by negative pressure.
  • the invention has for its object to provide a shredding device which, with a simple structure and reliable operation, allows shredding of elongated objects which can be pneumatically conveyed through a channel, in particular edge strips which are produced in the manufacture of packaging.
  • the object is achieved in that the knife of a shredding device mentioned at the outset can be introduced into the channel in a plane arranged perpendicular to the longitudinal axis of the channel, during which movement the cutting edge of the knife for cutting the objects in cooperation with the channel forming an abutment passes through the entire cross section of the channel and the knife can also be removed from the channel.
  • the shredding device according to the invention is characterized by a number of considerable advantages.
  • the knife By using the knife, it is first possible to subdivide the elongated objects by means of a clean separating cut, without the risk that the individual sections of the divided object are connected after the cut and / or wedged in the channel and clog it .
  • Another advantage of the comminution device according to the invention is that the knife can be moved in a plane which is arranged perpendicular to the longitudinal axis of the channel. The knife interrupts the flow in the channel as long as it is introduced into the channel by the knife on the Object applied forces are directed essentially exclusively against the wall of the channel, so that squeezing, accelerating or pushing back the objects to be divided is excluded.
  • Another essential advantage of the shredding device according to the invention is that the knife requires only a very small amount of space, so that no additional installations are required and in particular the channel does not have to be extended.
  • the knife is designed in the form of a cutting plate which is mounted in a knife housing.
  • the cutting plate is preferably provided with at least one cutting edge at its front end region and can be moved back and forth in its longitudinal direction.
  • This embodiment has the advantage; that the knife is very inexpensive to manufacture, so that only a low cost is incurred when replacing a worn knife.
  • the oscillating or reciprocating movement of the knife proves to be particularly favorable, since this can be effected by means of a compressed air cylinder or via an eccentric.
  • the cutting edge can be V-shaped at the front end of the cutting insert.
  • the V-shaped configuration which preferably comprises two protruding edge regions and a recessed central region, prevents the knife and / or the objects to be divided from jamming on the wall of the channel.
  • the cutting plate rotatably in the knife housing, ie to design it in the form of a rotating knife which can be passed through a transverse slot in the channel.
  • the cutting plate adjoins the end region provided with the cutting edge is provided with at least one passage recess.
  • the passage recess can be dimensioned such that a sufficient amount of air can be carried out, but the passage of the objects to be divided is prevented. According to the invention, it can be particularly advantageous to provide a large number of passage openings, each of which has a relatively small diameter.
  • the plane is arranged vertically and the longitudinal axis of the channel is arranged horizontally.
  • the shredding device Using the shredding device according to the invention, it is thus possible to divide elongated film strips, which are sucked off through the channel or the pipe, into small parts or chips and feed them into a container in which they can be collected close together.
  • the shredding device comprises a two-part housing 3a, 3b, which is provided with a passage recess 7, the cross section of which is adapted to the inner cross section of a tubular channel 1, which is arranged adjacent to the knife housing 3a, 3b. It is thus possible to transport objects through the channel 1 and through the recess 7 of the knife housing 3a, 3b.
  • a knife 2 is arranged, which is plate-shaped and has a cutting edge 4 at its front end region 5.
  • the cutting edge 4 is designed in the form of a V-shaped cutting edge, the central region of which is set back, while the two edge regions extend forward in the cutting direction.
  • the knife 2 is mounted in the knife housing 3a, 3b by means of lateral guide plates 8 so that an oscillating displacement of the knife 2 in its longitudinal axis is possible.
  • bearing plates 9 are provided in the knife housing 3a, 3b, each having a recess 10 whose diameter is adapted to the recess 7 of the knife housing 3a, 3b.
  • the two bearing plates 9 also serve to guide the knife 2 and can be designed in a cutting-like manner at the edge region of the recesses 10 in order to form an abutment for the cutting edge 4.
  • the knife 2 Adjacent to the end region 5 provided with the cutting edge 4, the knife 2 has a large number of passage recesses 6, which also allow compressed air to flow through the channel 1 when the knife 2 is in the advanced position.
  • the rear end region 14 of the knife 2 facing away from the front end region 5 has a recess 15, through which a bolt 11 can be passed, which is used to connect the knife 2 to a connecting element 12.
  • the connecting element 12 is connected in a manner not shown in detail to a drive device 13 (see FIG. 2), which can be designed, for example, in the form of a hydraulic piston.
  • FIGS. 2 and 3 show, in side view and in plan view, the assignment of the comminution device according to the invention to a packaging machine 16.
  • This includes, among other things, a cross cutting device 17 and cutting devices 18 for separating lateral edge strips 19 from a film web 20.
  • the two edge strips 19 are each inserted into channels 1, which unite before the entry into the knife housing 3a, 3b. After passing through the knife housing 3a, 3b and after cutting through the knife 2, the edge strip sections are fed to a collecting container 21.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Making Paper Articles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (8)

  1. Dispositif de découpage pour des produits de forme allongée, à fragmenter, pouvant être transportés pneumatiquement dans un canal (1), le dispositif de découpage, avec un couteau (2) qui en fait partie, étant situé sur le canal (1),
    caractérisé en ce que
    le couteau (2) peut pénétrer dans le canal (1), dans un plan perpendiculaire à l'axe longitudinal du canal (1), étant entendu que, pendant ce mouvement, l'arête de coupe (4) du couteau (2) traverse toute la section du canal pour couper les produits, en coopérant avec le canal 1, qui constitue un contre-appui, et étant entendu que le couteau peut être ensuite retiré du canal.
  2. Dispositif de découpage suivant la revendication 1, caractérisé en ce que que le couteau (2) est réalisé sous la forme d'une lame de coupe, montée dans un boîtier de couteau (3a, 3b).
  3. Dispositif de découpage suivant la revendication 2, caractérisé en ce que la lame de coupe (2) est pourvue, dans sa zone d'extrémité (5), d'au moins un arête coupante (4) et qu'elle peut se déplacer, avec un mouvement alternatif, suivant la direction de son axe longitudinal.
  4. Dispositif de découpage suivant la revendication 3, caractérisé en ce que la lame de coupe (2) présente, dans sa zone d'extrémité (5), une arête coupante (4) en forme de V.
  5. Dispositif de découpage suivant la revendication 2, caractérisé en ce que la lame de coupe (2) est montée tournante dans le boîtier de couteau.
  6. Dispositif de découpage suivant l'une quelconque des revendications 2 à 5, caractérisé en ce que la lame de coupe (2) présente au moins un orifice de passage (6), situé à la limite de la zone d'extrémité (5) comportant l'arête coupante (4).
  7. Dispositif de découpage suivant l'une quelconque des revendications 1 à 6, caractérisé en ce que le couteau (2) peut être déplacé au moyen d'un cylindre à air comprimé.
  8. Dispositif de découpage suivant l'une quelconque des revendications 1 à 7, caractérisé en ce que le plan du canal (1) est vertical et l'axe longitudinal du canal (1) est horizontal.
EP89121597A 1988-12-01 1989-11-23 Dispositif pour découper des déchets Expired - Lifetime EP0371393B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8814978U DE8814978U1 (de) 1988-12-01 1988-12-01 Zerkleinerungsvorrichtung
DE8814978U 1988-12-01

Publications (3)

Publication Number Publication Date
EP0371393A2 EP0371393A2 (fr) 1990-06-06
EP0371393A3 EP0371393A3 (fr) 1991-09-04
EP0371393B1 true EP0371393B1 (fr) 1994-10-26

Family

ID=6830390

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89121597A Expired - Lifetime EP0371393B1 (fr) 1988-12-01 1989-11-23 Dispositif pour découper des déchets

Country Status (4)

Country Link
EP (1) EP0371393B1 (fr)
AT (1) ATE113233T1 (fr)
DE (2) DE8814978U1 (fr)
ES (1) ES2061897T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022110637A1 (de) 2022-05-02 2023-11-02 Multivac Sepp Haggenmüller Se & Co. Kg Vorrichtung zum Zerkleinern von streifenförmigem Material und Verfahren zu deren Betrieb

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE441948C (de) * 1924-05-17 1927-03-19 Albert Wirz Querschneider mit geradlinig gefuehrtem Messer
US3046606A (en) * 1959-07-29 1962-07-31 Eastman Kodak Co Process for producing solid non-porous pellets from polyolefins and pellets produced thereby
GB2107638B (en) * 1981-10-22 1985-11-13 Secr Defence Cutting apparatus for extruded materials

Also Published As

Publication number Publication date
EP0371393A2 (fr) 1990-06-06
DE58908561D1 (de) 1994-12-01
ATE113233T1 (de) 1994-11-15
EP0371393A3 (fr) 1991-09-04
ES2061897T3 (es) 1994-12-16
DE8814978U1 (de) 1989-02-02

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