EP0401573A2 - Apparatus for cutting plastic products - Google Patents
Apparatus for cutting plastic products Download PDFInfo
- Publication number
- EP0401573A2 EP0401573A2 EP90109420A EP90109420A EP0401573A2 EP 0401573 A2 EP0401573 A2 EP 0401573A2 EP 90109420 A EP90109420 A EP 90109420A EP 90109420 A EP90109420 A EP 90109420A EP 0401573 A2 EP0401573 A2 EP 0401573A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- knife band
- holder
- rotating
- axes
- plastic
- 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.)
- Withdrawn
Links
- 239000006260 foam Substances 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010847 non-recyclable waste Substances 0.000 description 1
Images
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
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/006—Cutting work characterised by the nature of the cut made; Apparatus therefor specially adapted for cutting blocs of plastic material
-
- 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
- B26D1/12—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 cutting member moving about an axis
- B26D1/14—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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter
- B26D1/22—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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a movable member, e.g. a roller
-
- 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
- B26D1/46—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 an endless band-knife 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
- B26D11/00—Combinations of several similar cutting apparatus
-
- 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
- B26D11/00—Combinations of several similar cutting apparatus
- B26D2011/005—Combinations of several similar cutting apparatus in combination with different kind of cutters, e.g. two serial slitters in combination with a transversal cutter
Definitions
- the invention relates to a device for shredding plastic parts, in particular foamed plastic, such as Foam consisting of a rotating holder.
- a device of the type mentioned is known from the prior art according to US-PS 27 39 647 under the name cutting mill.
- the cutting mill described there consists of a rotor attached to a shaft, which has a plurality of blades which are arranged on the rotor at the same distance from one another.
- Such cutting mills are extremely questionable from the point of view of environmental protection, since they are noisy and require a high energy requirement for operation; there is also a high level of dust formation, particularly when shredding foam. Such dust can not be processed, but must be treated as non-recyclable waste and thus pollutes the landfill.
- the rotating holder essentially consists of a shaft rotatably mounted in a frame, which has two rotatable axes perpendicular to the shaft for receiving the knife band, at least one of these axes having a drive for the knife band. According to an advantageous embodiment, the distance between the two axes can be changed, which enables the knife band to be clamped or re-tensioned.
- the axes each have a groove-provided wheel for guiding and receiving the knife band.
- the knife band is ground on both sides, so that the foam is cut by the knife band at a rotation of 180 degrees from the other edge of the knife band. This increases the service life of the knife belt or increases the throughput of shredded plastic, in particular foam.
- the invention also relates to the use of the device for comminuting plastic parts, in particular plastic, such as Foam, consisting of a rotating holder, which has a circumferential knife band, for attachment to a cutting device for producing strips of plastic, which has two mutually opposite shafts arranged opposite one another on a frame provided with a support surface, each rotating several vertically and have circular knives arranged parallel to one another (US Pat. No. 2,739,647).
- plastic such as Foam
- a conveyor belt Downstream of these circular knives is a conveyor belt to which the device according to the invention for comminuting plastic parts, in particular foam, is connected.
- the conveyor belt can be integrated into the support surface, the device for comminuting plastic parts directly adjoining the support, so that the support surface forms the counter bearing for the rotating knife belt during cutting.
- the drawing shows the entire device in a plan view.
- the device itself consists of a frame, designated overall by 1, which has a bearing surface 1a and which has the cutting device 2, which consists of two mutually opposite rotating shafts 3, 4, each with several circular knives 5, 6 arranged parallel to one another are provided.
- this cutting device for example, plastic plates inserted in the direction of the arrow X are cut into strips. These strips are picked up by the conveyor belt 7 arranged downstream of this cutting device 2 and integrated in the support surface 1a of the frame, and fed to the device according to the invention for comminuting plastic parts, in particular foamed plastic, such as foam.
- This designated 8 device consists of a rotatably mounted in the frame 1 bracket 9, in the form of a shaft, for example, which has two spaced axes 10 and 11 perpendicular to the shaft, each having a wheel 12, 13 with grooves 12a, 13a for receiving the knife band 14.
- the contact surface 1a extends up to the device and forms the counter bearing for the rotating knife band 14 of the rotating holder 9.
- the axis 11, which is driven by the motor 15, is held in a longitudinally displaceable manner by the holder 9 in an elongated hole 16, so that the distance between the two axes 10 and 11 can be changed. As a result, the clamping of the knife band 14 is facilitated or its retensioning is made possible.
- This clamping device consists of a screw 18 which is held by a nut 19 and which is rotatably connected to the axis 11. By adjusting the screw 18, the axis 11 can now be moved along the elongated hole 16.
- the motor 20 is provided as the drive for the holder 9.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Crushing And Pulverization Processes (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Zerkleinerung von Kunststoffteilen, insbesondere geschäumten Kunststoff, wie z.B. Schaumstoff, bestehend aus einer rotierenden Halterung.The invention relates to a device for shredding plastic parts, in particular foamed plastic, such as Foam consisting of a rotating holder.
Eine Vorrichtung der eingangs genannten Art ist aus dem Stand der Technik gemäß der US-PS 27 39 647 unter der Bezeichnung Schneidmühle bekannt. Die dort beschriebene Schneidmühle besteht aus einem auf einer Welle befestigten Rotor, der mehrere Klingen aufweist, die in gleichem Abstand zueinander auf dem Rotor angeordnet sind.A device of the type mentioned is known from the prior art according to US-PS 27 39 647 under the name cutting mill. The cutting mill described there consists of a rotor attached to a shaft, which has a plurality of blades which are arranged on the rotor at the same distance from one another.
Derartige Schneidmühlen sind unter dem Gesichtspunkt des Umweltschutzes äußerst bedenklich, da sie laut sind und zum Betrieb einen hohen Energiebedarf erfordern; auch ist insbesondere bei der Zerkleinerung von Schaumstoff eine hohe Staubentwicklung festzustellen. Derartiger Staub kann nicht verarbeitet werden, sondern muß als nichtverwertbarer Abfall behandelt werden und belastet somit die Mülldeponien.Such cutting mills are extremely questionable from the point of view of environmental protection, since they are noisy and require a high energy requirement for operation; there is also a high level of dust formation, particularly when shredding foam. Such dust can not be processed, but must be treated as non-recyclable waste and thus pollutes the landfill.
Sowohl der hohe Energiebedarf als auch die Staubbildung rühren unmittelbar daher, daß beim Schneiden, insbesondere von Schaumstoffen, das unter Verwendung der bekannten Schneidmühle mehr einem Reißen gleichkommt, insbesondere wenn die Klingen verschlissen sind, die Struktur des Schaumstoffs zerstört wird.Both the high energy requirement and the dust formation result directly from the fact that the structure of the foam is destroyed when cutting, in particular foams, which is more like tearing using the known cutting mill, especially when the blades are worn.
Auch ist mit der bekannten Schneidmühle die Erzeugung von Schaumstoffteilen bestimmter Länge nur schwer möglich, da - wie bereits oben erwähnt - mit zunehmendem Verschleiß der Klingen, beim Schneiden des Schaumstoffs dieser in die Länge gezogen wird.It is also difficult to produce foam parts of a certain length with the known cutting mill, since - as already mentioned above - with increasing wear of the blades, when the foam is cut, it is drawn into the length.
Zur Vermeidung dieser Nachteile, wird vorgeschlagen, an der rotierenden Halterung ein umlaufendes Messerband anzuordnen.To avoid these disadvantages, it is proposed to arrange a rotating knife belt on the rotating holder.
Die rotierende Halterung, besteht im wesentlichen aus einer in einem Rahmen drehbar gelagerten Welle, die zwei drehbare, senkrecht zur Welle stehende Achsen zur Aufnahme des Messerbandes aufweist, wobei mindestens eine dieser Achsen einen Antrieb für das Messerband besitzt. Nach einer vorteilhaften Ausführungsform ist der Abstand zwischen den beiden Achsen veränderbar, wodurch das Einspannen des Messerbandes bzw. das Nachspannen ermöglicht wird.The rotating holder essentially consists of a shaft rotatably mounted in a frame, which has two rotatable axes perpendicular to the shaft for receiving the knife band, at least one of these axes having a drive for the knife band. According to an advantageous embodiment, the distance between the two axes can be changed, which enables the knife band to be clamped or re-tensioned.
Zur Führung und Aufnahme des Messerbandes weisen die Achsen jeweils ein mit einer Nut versehenes Rad auf.The axes each have a groove-provided wheel for guiding and receiving the knife band.
Nach einem weiteren vorteilhaften Merkmal der Erfindung ist das Messerband beiseitig angeschliffen, so daß durch das Messerband der Schaumstoff bei einer Drehung von jeweils 180 Grad von der jeweils anderen Schneide des Messerbandes geschnitten wird. Hierdurch erhöht sich die Standzeit des Messerbandes bzw. es wird der Durchsatz an zerkleinertem Kunststoff, insbesondere Schaumstoff erhöht.According to a further advantageous feature of the invention, the knife band is ground on both sides, so that the foam is cut by the knife band at a rotation of 180 degrees from the other edge of the knife band. This increases the service life of the knife belt or increases the throughput of shredded plastic, in particular foam.
Gegenstand der Erfindung ist auch die Verwendung der Vorrichtung zur Zerkleinerung von Kunststoffteilen, insbesondere Kunststoff, wie z.B. Schaumstoff, bestehend aus einer rotierenden Halterung, die ein umlaufendes Messerband aufweist, zum Anbau an eine Schneideinrichtung zur Erzeugung von Streifen aus Kunststoff, die zwei einander gegenüberliegend an einem mit einer Auflagefläche versehenen Rahmen angeordnete, sich gegenläufig drehende Wellen aufweist, die jeweils mehrere senkrecht und parallel zueinander angeordnete Kreismesser besitzen (US-PS 27 39 647).The invention also relates to the use of the device for comminuting plastic parts, in particular plastic, such as Foam, consisting of a rotating holder, which has a circumferential knife band, for attachment to a cutting device for producing strips of plastic, which has two mutually opposite shafts arranged opposite one another on a frame provided with a support surface, each rotating several vertically and have circular knives arranged parallel to one another (US Pat. No. 2,739,647).
Diesen Kreismessern nachgeordnet ist ein Transportband, an das sich die erfindungsgemäße Vorrichtung zum Zerkleinern von Kunststoffteilen, insbesondere Schaumstoff, anschließt. Das Transportband kann in die Auflagefläche integriert sein, wobei sich an die Auflage die Vorrichtung zum Zerkleinern von Kunststoffteilen unmittelbar anschließt, so daß die Auflagefläche das Gegenlager für das umlaufende Messerband beim Schneiden bildet.Downstream of these circular knives is a conveyor belt to which the device according to the invention for comminuting plastic parts, in particular foam, is connected. The conveyor belt can be integrated into the support surface, the device for comminuting plastic parts directly adjoining the support, so that the support surface forms the counter bearing for the rotating knife belt during cutting.
In der Zeichnung ist eine beispielsweise Ausführungsform dargestellt.An example of an embodiment is shown in the drawing.
Die Zeichnung zeigt die gesamte Vorrichtung in einer Draufsicht. Die Vorrichtung selbst besteht aus einem insgesamt mit 1 bezeichneten eine Auflagefläche 1a aufweisenden Rahmen, der die Schneideinrichtung 2 aufweist, die aus zwei einander gegenüberliegend angeordneten rotierenden Wellen 3,4 besteht, die jeweils mit mehreren parallel zueinander angeordneten Kreismessern 5, 6 versehen sind. Mit Hilfe dieser Schneideinrichtung werden beispielsweise in Richtung des Pfeiles X eingeführte Kunststoffplatten zu Streifen zerschnitten. Diese Streifen werden von dem dieser Schneideinrichtung 2 nachgeordneten, in der Auflagefläche 1a des Rahmens integrierten Transportband 7 aufgenommen, und der erfindungsgemäßen Vorrichtung zur Zerkleinerung von Kunststoffteilen, insbesondere von geschäumten Kunststoff, wie z.B. Schaumstoff zugeführt. Diese mit 8 bezeichnete Vorrichtung besteht aus einer drehbar im Rahmen 1 gelagerten Halterung 9, in Form beispielsweise einer Welle, die zwei mit Abstand zueinander angeordnete, zur Welle senkrecht stehende Achsen 10 und 11 aufweist, die jeweils ein Rad 12, 13 mit Nuten 12a, 13a zur Aufnahme des Messerbandes 14 besitzen. Die Auflagefläche 1a reicht hierbei bis an die Vorrichtung heran und bildet das Gegenlager für das umlaufende Messerband 14 der rotierenden Halterung 9.The drawing shows the entire device in a plan view. The device itself consists of a frame, designated overall by 1, which has a bearing surface 1a and which has the
Die Achse 11, die durch den Motor 15 angetrieben wird, ist von der Halterung 9 in einem Langloch 16 längsverschieblich gehalten, so daß der Abstand zwischen den beiden Achsen 10 und 11 veränderbar ist. Hierdurch wird das Einspannen des Messerbandes 14 erleichtert bzw. dessen Nachspannen ermöglicht.The
Die Veränderung des Abstandes selbst erfolgt durch eine einfache Spannvorrichtung, die insgesamt mit 17 bezeichnet ist.The distance itself is changed by a simple tensioning device, which is denoted overall by 17.
Diese Spannvorrichtung besteht aus einer Schraube 18, die von einer Mutter 19 gehalten wird und die drehbar mit der Achse 11 in Verbindung steht. Durch Verstellung der Schraube 18 kann nunmehr die Achse 11 entlang des Langloches 16 verschoben werden. Als Antrieb für die Halterung 9 ist der Motor 20 vorgesehen.This clamping device consists of a
Claims (10)
dadurch gekennzeichnet, daß
die rotierende Halterung (9) ein umlaufendes Messerband (14) aufweist.1. Device for crushing plastic parts, in particular foamed plastic, such as foam, consisting of a rotating holder
characterized in that
the rotating holder (9) has a circumferential knife band (14).
dadurch gekennzeichnet, daß
das Messerband (14) beidseitig angeschliffen ist.2. Device according to claim 1
characterized in that
the knife band (14) is ground on both sides.
dadurch gekennzeichnet, daß
die rotierende Halterung (9) aus einer in einem Rahmen (1) drehbar gelagerten Welle besteht, die zwei drehbare, senkrecht zur Welle stehende Achsen (10, 11) zur Aufnahme des Messerbandes (14) aufweist, wobei mindestens eine dieser Achsen (10, 11) einen Antrieb (15) besitzt.3. Device according to claim 1
characterized in that
the rotating holder (9) consists of a shaft rotatably mounted in a frame (1), which has two rotatable axes (10, 11) perpendicular to the shaft for receiving the knife band (14), at least one of these axes (10, 11) has a drive (15).
dadurch gekennzeichnet, daß
die Achsen (10, 11) jeweils ein Rad (12, 13) zur Führung und Aufnahme des Messerbandes (14) aufweisen.4. The device according to claim 3
characterized in that
the axes (10, 11) each have a wheel (12, 13) for guiding and receiving the knife band (14).
dadurch gekennzeichnet, daß
das Rad (12, 13) eine Nut (12a, 13a) zur Aufnahme des Messerbandes (14) aufweist.5. The device according to claim 4
characterized in that
the wheel (12, 13) has a groove (12a, 13a) for receiving the knife band (14).
dadurch gekennzeichnet, daß
der Abstand zwischen den beiden Achsen (10, 11) veränderbar (17) ist.6. The device according to claim 3
characterized in that
the distance between the two axes (10, 11) is variable (17).
dadurch gekennzeichnet, daß
die Halterung (9) einen Antrieb (20) aufweist.7. The device according to claim 1
characterized in that
the holder (9) has a drive (20).
dadurch gekennzeichnet, daß
den Kreismessern (5, 6) nachgeordnet, die Auflagefläche (1a) ein Transportband (7) aufweist.9. The device according to claim 7
characterized in that
Subordinate to the circular knives (5, 6), the support surface (1a) has a conveyor belt (7).
dadurch gekennzeichnet, daß
die Auflagefläche (1a) das Gegenlager für das umlaufende Messerband (14) der Halterung (9) bildet.10. The device according to claim 7
characterized in that
the bearing surface (1a) forms the counter bearing for the rotating knife band (14) of the holder (9).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893918729 DE3918729A1 (en) | 1989-06-08 | 1989-06-08 | DEVICE FOR CRUSHING PLASTIC PARTS, ESPECIALLY FOAMED PLASTIC, SUCH AS FOAM |
| DE3918729 | 1989-06-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0401573A2 true EP0401573A2 (en) | 1990-12-12 |
| EP0401573A3 EP0401573A3 (en) | 1991-11-13 |
Family
ID=6382359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19900109420 Withdrawn EP0401573A3 (en) | 1989-06-08 | 1990-05-18 | Apparatus for cutting plastic products |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0401573A3 (en) |
| DE (1) | DE3918729A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015194983A1 (en) * | 2014-06-19 | 2015-12-23 | Techno Foam Doo | Machine with an endless band-knife for cutting sponge panels into pieces |
| CN109866268A (en) * | 2019-03-27 | 2019-06-11 | 中国一冶集团有限公司 | A kind of U-shaped edge band cutter device of plank and cutting method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414932B (en) * | 2017-09-29 | 2019-02-26 | 务川自治县皂角树茶业有限公司 | A kind of Chinese medicinal material slicing device |
| CN108312222B (en) * | 2018-01-29 | 2019-09-10 | 重庆好弟兄食品有限公司 | Gluten feeder |
| CN112171770B (en) * | 2020-08-12 | 2022-05-20 | 宁波大学 | A kind of rice cake cutting device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1162064B (en) * | 1957-11-25 | 1964-01-30 | Rudolf Lindelaub | Cutting device for the production of shaped pieces from flexible or elastically flexible material, e.g. Plastic foam |
| DE2627301A1 (en) * | 1976-06-18 | 1977-12-29 | Ladislaus Dipl Ing Szerenyi | Machine for cutting meat cubes - has slotted plate and cutting roller with several blade discs engaging in slots |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2739647A (en) * | 1951-11-17 | 1956-03-27 | Coste Pierre Paul Henri | Machine for the production of granular material, more particularly for injection moulding machines |
| US3396615A (en) * | 1966-01-21 | 1968-08-13 | Falls Engineering & Machine Co | Ribbon guide take-up for splitting machinery |
-
1989
- 1989-06-08 DE DE19893918729 patent/DE3918729A1/en active Granted
-
1990
- 1990-05-18 EP EP19900109420 patent/EP0401573A3/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1162064B (en) * | 1957-11-25 | 1964-01-30 | Rudolf Lindelaub | Cutting device for the production of shaped pieces from flexible or elastically flexible material, e.g. Plastic foam |
| DE2627301A1 (en) * | 1976-06-18 | 1977-12-29 | Ladislaus Dipl Ing Szerenyi | Machine for cutting meat cubes - has slotted plate and cutting roller with several blade discs engaging in slots |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015194983A1 (en) * | 2014-06-19 | 2015-12-23 | Techno Foam Doo | Machine with an endless band-knife for cutting sponge panels into pieces |
| CN109866268A (en) * | 2019-03-27 | 2019-06-11 | 中国一冶集团有限公司 | A kind of U-shaped edge band cutter device of plank and cutting method |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3918729C2 (en) | 1991-04-18 |
| DE3918729A1 (en) | 1990-12-13 |
| EP0401573A3 (en) | 1991-11-13 |
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