DE102013113086B3 - profile Schneider - Google Patents
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- Publication number
- DE102013113086B3 DE102013113086B3 DE102013113086.0A DE102013113086A DE102013113086B3 DE 102013113086 B3 DE102013113086 B3 DE 102013113086B3 DE 102013113086 A DE102013113086 A DE 102013113086A DE 102013113086 B3 DE102013113086 B3 DE 102013113086B3
- Authority
- DE
- Germany
- Prior art keywords
- cutting
- rotary drive
- shaft
- cutting device
- conveying direction
- 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 - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D23/00—Machines or devices for shearing or cutting profiled stock
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C33/00—Feeding extrusion presses with metal to be extruded ; Loading the dummy block
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
-
- 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
- B26D1/25—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 non-circular cutting member
- B26D1/26—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 non-circular cutting member moving about an axis substantially perpendicular to the line of cut
- B26D1/30—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 non-circular cutting member moving about an axis substantially perpendicular to the line of cut with limited pivotal movement to effect cut
-
- 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
- B26D1/56—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 travels with the work otherwise than in the direction of the cut, i.e. flying cutter
- B26D1/60—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 travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is mounted on a movable carriage
-
- 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
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/14—Crank and pin means
Abstract
Die Erfindung betrifft eine Schneidvorrichtung zum fliegenden Ablängen eines in Förderrichtung (X) gleichförmig und kontinuierlich geförderten Materialstranges (1), insbesondere für Extrusionsprodukte, mit einem Grundgestell (2), einem auf dem Grundgestell (2) angeordneten Drehantrieb (3) und einem vom Drehantrieb (3) angetriebenem Schneidwerkzeug (4), wobei das Schneidwerkzeug (4) auf einer Welle (5) sitzt und die Welle (5) parallel zur Förderrichtung (X) des Materialstranges (1) angeordnet ist und zur Verbindung des Drehantriebs (3) mit der Welle (5) eine Kardanwelle (6) mit zwei Kreuzgelenken (61, 62) vorgesehen ist, wobei das erste Kreuzgelenk (61) exzentrisch am Drehantrieb (3) und das zweite Kreuzgelenk (62) an der Welle (5) angesetzt sind und die Welle (5) in Förderrichtung (X) hin- und herbewegbar auf dem Grundgestell (2) gelagert ist.The invention relates to a cutting device for the flying cutting to length of a material strand (1) that is uniformly and continuously conveyed in the conveying direction (X), in particular for extrusion products, with a base frame (2), a rotary drive (3) arranged on the base frame (2) and a rotary drive (3) driven cutting tool (4), the cutting tool (4) sitting on a shaft (5) and the shaft (5) being arranged parallel to the conveying direction (X) of the material strand (1) and for connecting the rotary drive (3) with the shaft (5) a cardan shaft (6) with two universal joints (61, 62) is provided, the first universal joint (61) being attached eccentrically to the rotary drive (3) and the second universal joint (62) being attached to the shaft (5) and the shaft (5) is mounted on the base frame (2) such that it can be moved back and forth in the conveying direction (X).
Description
Die Erfindung betrifft eine Schneidvorrichtung zum fliegenden Ablängen eines in Förderrichtung gleichförmig und kontinuierlich geförderten Materialstranges, insbesondere für Extrusionsprodukte, mit einem Grundgestell, einem auf dem Grundgestell angeordneten Drehantrieb und einem vom Drehantrieb angetriebenem Schneidwerkzeug. The invention relates to a cutting device for flying cutting a uniformly and continuously conveyed material strand in the conveying direction, in particular for extruded products, with a base frame, a rotary drive arranged on the base frame and a cutting tool driven by the rotary drive.
Schneidvorrichtungen, die einen kontinuierlich zugeführten Materialstrang in der Bewegung (fliegend) durchtrennen, sind in unterschiedlicher Ausgestaltung bekannt. Nachfolgend werden solche Schneidvorrichtungen auch Profilschneider genannt. Meist ist bei den bekannten Schneidvorrichtungen das Schneidwerkzeug auf einer Kreisbahn geführt, die in einer Tangentialrichtung parallel zum Materialstrom mit gleicher Geschwindigkeit geführt wird, so dass dann der Schnitt vollzogen werden kann. Cutting devices, which cut a continuously fed material strand in the movement (flying), are known in different embodiments. In the following, such cutting devices are also called profile cutters. Usually, in the known cutting devices, the cutting tool is guided on a circular path, which is guided in a tangential direction parallel to the material flow at the same speed, so that then the section can be completed.
Aus der
Ferner ist aus der
Demgegenüber ist aus der
Nachteilig bei den bekannten Profilschneidern ist, dass das Schneidwerkzeug zum Durchschneiden des zu schneidenden Materialstranges von einer Seite durch diesen Materialstrang hindurchgeführt und wieder zu dieser einen Seite zurückgezogen wird. Die Dauer des Gleichlaufes muss somit über den gesamten Schneidvorgang, also Eindringen des Schneidwerkzeugs in den Materialstrang, Durchtrennen des Materialstrangs, Abbremsen und Reversieren des Schneidwerkzeugs und wieder Herausführen des Schneidwerkzeugs aus dem Materialstrangkanal, gewährleistet werden. A disadvantage of the known profile cutters is that the cutting tool for cutting the material strand to be cut is passed from one side through this strand of material and pulled back to this one side. The duration of the synchronization must therefore over the entire cutting process, ie penetration of the cutting tool in the material strand, cutting the material strand, braking and reversing the cutting tool and again lead out the cutting tool from the material strand channel, guaranteed.
Aufgabe der Erfindung ist es daher, einen Schneidvorgang mit einer Schneidvorrichtung zu ermöglichen, bei dem das Schneidwerkzeug nur in einer Richtung durch den Materialstrang hindurchgeführt wird. The object of the invention is therefore to enable a cutting operation with a cutting device in which the cutting tool is passed through in one direction only through the material strand.
Gelöst wird diese Aufgabe mit einer Schneidvorrichtung gemäß Anspruch 1. This object is achieved with a cutting device according to claim 1.
Dadurch, dass das Schneidwerkzeug auf einer Welle sitzt und die Welle parallel zur Förderrichtung des Materialstranges angeordnet ist und zur Verbindung des Drehantriebs mit der Welle eine Kardanwelle mit zwei Kreuzgelenken vorgesehen ist, wobei das erste Kreuzgelenk exzentrisch am Drehantrieb und das zweite Kreuzgelenk an der Welle angesetzt sind und die Welle in Förderrichtung hin- und herbewegbar auf dem Grundgestell gelagert ist, wird durch die exzentrisch am Drehantrieb angesetzte Kardanwelle neben der Drehbewegung auch eine Hin- und Herbewegung in Förderrichtung des Materialstranges erzeugt. Das auf der Welle sitzende Schneidwerkzeug umkreist auf einer Radialebene die Welle und schneidet bei jedem Umlauf einmal durch den Materialstrang, der parallel in Förderrichtung zur Welle gleichförmig und kontinuierlich gefördert wird. Characterized in that the cutting tool is seated on a shaft and the shaft is arranged parallel to the conveying direction of the material strand and to connect the rotary drive with the shaft, a cardan shaft is provided with two universal joints, wherein the first universal joint eccentric on the rotary drive and the second universal joint to the shaft are and the shaft is mounted reciprocally movable in the conveying direction on the base frame, a reciprocating motion in the conveying direction of the material strand is generated by the eccentric attached to the rotary drive propeller shaft in addition to the rotational movement. The shaft-mounted cutting tool circles the shaft on a radial plane and cuts once in each cycle through the material strand, which is conveyed parallel and uniformly in the conveying direction to the shaft uniformly.
Wenn die Rotationsachse des Drehantriebs parallel zur Welle um die Exzentrizität des ersten Kreuzgelenkes am Drehantrieb verschoben ist, bewirkt die Verdrehung durch die exzentrische Auslenkung der Kardanwelle von einem Punkt kürzester Entfernung (Fluchtpunkt des ersten Kreuzgelenkes mit der Welle für das Schneidwerkzeug) zum fernsten Punkt (nach Drehung um 180°) eine maximale laterale Verschiebung der Welle in Richtung bzw. Gegenrichtung der Förderrichtung bei paralleler Ausrichtung der Rotationsachse des Drehantriebs zur Welle. When the axis of rotation of the rotary drive is displaced parallel to the shaft about the eccentricity of the first universal joint on the rotary drive, the rotation caused by the eccentric deflection of the propeller shaft from a point of shortest distance (vanishing point of the first universal joint with the shaft for the cutting tool) to the farthest point Rotation by 180 °) a maximum lateral displacement of the shaft in the direction or opposite direction of the conveying direction with parallel alignment of the axis of rotation of the rotary drive to the shaft.
Dadurch, dass die Rotationsachse des Drehantriebs zur Förderrichtung in einem Winkel mit 0° < α ≤ 90° angeordnet ist, wird – auch ergänzend zur parallelen Verschiebung gemäß Unteranspruch 2 – bei einer vollständigen Umdrehung eine vergrößerte Lateralverschiebung der Welle erreicht. The fact that the axis of rotation of the rotary drive to the conveying direction at an angle with 0 ° <α ≤ 90 ° is, is - in addition to the parallel shift according to dependent claim 2 - at a complete revolution reaches an enlarged lateral displacement of the shaft.
Wenn der Drehantrieb auf einer Konsole angeordnet ist, die um eine vertikale Achse verstellbar auf dem Grundgestell gelagert ist, kann der Anstellwinkel und damit das Verhältnis der lateralen Verschiebung (Pendelbewegung) der Welle zur Rotationsbewegung verändert werden, ohne eine Veränderung in der Exzentrizität der am Drehantrieb angesetzten Kardanwelle (erstes Kreuzgelenk) vornehmen zu müssen. If the rotary drive is arranged on a console which is mounted on the base frame so as to be adjustable about a vertical axis, the angle of attack and thus the ratio of the lateral displacement (pendulum movement) of the shaft to the rotary movement can be changed without a change in the eccentricity of the rotary drive attached propeller shaft (first universal joint) to make.
Bevorzugt beträgt die Exzentrizität des ersten Kreuzgelenkes zur Rotationsachse des Drehantriebs zwischen 10 mm und 50 mm. Preferably, the eccentricity of the first universal joint to the axis of rotation of the rotary drive is between 10 mm and 50 mm.
Dadurch, dass das Schneidwerkzeug einen auf der Welle festgesetzten Klingenhalter mit einer darin auswechselbar gehalterten Schneidklinge und eine drehbar auf der Welle mit dem Klingenhalter hin- und herbewegte, reitende Schneidbuchsenaufnahme hat, kann die Schneidklinge nach Ablauf ihrer Standzeit einfach gewechselt werden. Der Schneidvorgang selbst wird durch die hin- und herbewegte, reitende Schneidbuchsenaufnahme präzise geführt. Characterized in that the cutting tool has a set on the shaft blade holder with a replaceable held Erten cutting blade and a rotatable on the shaft with the blade holder back and forth, riding cutting bushing receptacle, the cutting blade can be easily changed after their life. The cutting process itself is precisely guided by the reciprocating, riding cutting bushing.
In bevorzugter Ausgestaltung ist in der Schneidbuchsenaufnahme ein Produktkanal für den gleichförmig und kontinuierlich geförderten Materialstrang vorgesehen. Dabei dient die Schneidbuchsenaufnahme als Gegenlager für die hierdurch rotierende Schneidklinge. In a preferred embodiment, a product channel for the uniformly and continuously conveyed material strand is provided in the cutting bush receptacle. The cutting bush receptacle serves as an abutment for the rotating cutting blade thereby.
In weiterer Ausgestaltung ist die mit dem Materialstrang fluchtende Festlegung der Schneidbuchsenaufnahme dadurch gewährleistet, dass ein Führungsmittel vorgesehen ist, mit dem die Schneidbuchsenaufnahme in Ausrichtung zum Materialstrang gehalten ist. In a further embodiment, the alignment of the cutting bush receptacle aligned with the material strand is ensured by providing a guide means with which the cutting bush receptacle is held in alignment with the material strand.
Ferner ist ein Steuerungsmittel für den Drehantrieb vorgesehen, mit dem der Drehantrieb über einen Bruchteil seiner Periode so angetrieben wird, dass eine konstante Vorwärtsbewegung in Förderrichtung realisierbar ist. Der elektromotorische Drehantrieb bewirkt aufgrund der gegebenen Geometrie eine Bewegung entsprechend einer Kreis-Funktion (sin-Funktion). Durch eine geignete Ansteuerung des elektromotorischen Drehantriebs wird über einen Teil der Phase (z.B. 1/2π) der Kreisbewegung, in der der Schnitt durch den Materialstrang vollzogen wird, die laterale Bewegung der Welle in eine lineare Bewegung mit konstanter Geschwindigkeit korrigiert. Furthermore, a control means for the rotary drive is provided, with which the rotary drive is driven over a fraction of its period so that a constant forward movement in the conveying direction can be realized. The electromotive rotary drive causes due to the given geometry a movement corresponding to a circular function (sin-function). By suitable control of the electromotive rotary drive, over a portion of the phase (e.g., 1 / 2π) of the circular motion in which the cut is made through the strand of material, the lateral motion of the shaft is corrected to a constant velocity linear motion.
Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand der beiliegenden Figur beschrieben. Hereinafter, an embodiment of the invention will be described with reference to the accompanying figure.
Darin zeigt: It shows:
In
Auf der Rotationsachse Y des Drehantriebs
Abtriebsseitig der Kardanwelle
Auf der Welle
Um die Schneidbuchsenaufnahme
Ferner ist ein elektronisches Steuerungsmittel
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1 1
- Materialstrang material strand
- 2 2
- Grundgestell base frame
- 21 21
- Fixierungselement, Schraube Fixing element, screw
- 3 3
- Drehantrieb rotary drive
- 30 30
- Elektromotor electric motor
- 31 31
- Konsole console
- 32 32
- vertikale Achse vertical axis
- 33 33
- Langloch Long hole
- 34 34
- Antriebsscheibe sheave
- 4 4
- Schneidwerkzeug cutting tool
- 41 41
- Klingenhalter blade holder
- 42 42
- Schneidklinge cutting blade
- 43 43
- Schneidbuchsenaufnahme Cutting jack receptacle
- 44 44
- Produktkanal product channel
- 45 45
- Führungsmittel guide means
- 46 46
- Durchführungsschlitz By guiding slot
- 5 5
- Welle wave
- 51 51
- erste Gleitlageraufnahme first slide bearing receptacle
- 52 52
- zweite Gleitlageraufnahme second slide bearing receptacle
- 6 6
- Kardanwelle propeller shaft
- 61 61
- erstes Kreuzgelenk first universal joint
- 62 62
- zweites Kreuzgelenk second universal joint
- 7 7
- Steuerungsmittel control means
- 71 71
- Wirkverbindung operatively connected
- X X
- Förderrichtung conveying direction
- Y Y
- Rotationsachse axis of rotation
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE102013113086.0A DE102013113086B3 (en) | 2013-11-27 | 2013-11-27 | profile Schneider |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013113086.0A DE102013113086B3 (en) | 2013-11-27 | 2013-11-27 | profile Schneider |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102013113086B3 true DE102013113086B3 (en) | 2014-11-06 |
Family
ID=51727621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE102013113086.0A Expired - Fee Related DE102013113086B3 (en) | 2013-11-27 | 2013-11-27 | profile Schneider |
Country Status (1)
Country | Link |
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DE (1) | DE102013113086B3 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3863536A (en) * | 1972-09-07 | 1975-02-04 | Decoufle Usines | Cutting Guide for Machines for Producing Rods, Particularly for Cigarette Machines |
DE102008044465B3 (en) * | 2008-08-26 | 2010-04-15 | Deckert Maschinenbau Gmbh | Profile cutter for even cutting of material strand to lengths, particularly plastic strand profile, has base frame, drive arranged at base frame, cam mechanism connected with drive and control unit for controlling drive |
DE202012100057U1 (en) * | 2011-05-19 | 2012-02-27 | Dcm Deckert Maschinenbau Gmbh | orbital Schneider |
-
2013
- 2013-11-27 DE DE102013113086.0A patent/DE102013113086B3/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3863536A (en) * | 1972-09-07 | 1975-02-04 | Decoufle Usines | Cutting Guide for Machines for Producing Rods, Particularly for Cigarette Machines |
DE102008044465B3 (en) * | 2008-08-26 | 2010-04-15 | Deckert Maschinenbau Gmbh | Profile cutter for even cutting of material strand to lengths, particularly plastic strand profile, has base frame, drive arranged at base frame, cam mechanism connected with drive and control unit for controlling drive |
DE202012100057U1 (en) * | 2011-05-19 | 2012-02-27 | Dcm Deckert Maschinenbau Gmbh | orbital Schneider |
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