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DE20308513U1 - Equipment supplying thermoplastic preforms to bottle-blowing machine, has roller-sorter located near floor followed by vertical conveyor to chute - Google Patents

Equipment supplying thermoplastic preforms to bottle-blowing machine, has roller-sorter located near floor followed by vertical conveyor to chute Download PDF

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Publication number
DE20308513U1
DE20308513U1 DE20308513U DE20308513U DE20308513U1 DE 20308513 U1 DE20308513 U1 DE 20308513U1 DE 20308513 U DE20308513 U DE 20308513U DE 20308513 U DE20308513 U DE 20308513U DE 20308513 U1 DE20308513 U1 DE 20308513U1
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Germany
Prior art keywords
preforms
roller
sorter
vertical conveyor
conveyor
Prior art date
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Expired - Lifetime
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DE20308513U
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German (de)
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Krones AG
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Krones AG
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Priority to DE20308513U priority Critical patent/DE20308513U1/en
Publication of DE20308513U1 publication Critical patent/DE20308513U1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
    • B29C49/12—Stretching rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4205—Handling means, e.g. transfer, loading or discharging means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/28—Blow-moulding apparatus
    • B29C49/30—Blow-moulding apparatus having movable moulds or mould parts
    • B29C49/36—Blow-moulding apparatus having movable moulds or mould parts rotatable about one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4205—Handling means, e.g. transfer, loading or discharging means
    • B29C49/42051—Means for stripping, aligning or de-stacking
    • B29C49/42057—Aligning disorderly arranged preforms, e.g. delivered disorderly
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6418—Heating of preforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

The roller sorter (7) is located near the floor. Between the roller-sorter and the raised upper end of the chute (11) a vertical conveyor (14) is interposed, to lift the preforms (V). The vertical conveyor moves the preforms at right angles to their axes. It moves them in the formation imposed upon them at the roller-sorter. It has two endless conveying sections (15, 16) with resilient finger-like carriers gripping the preforms between themselves. These sections are spaced apart and driven synchronously. The vertical conveyor has an interception region aligned with the roller-sorter, an end region aligned with the chute and an intermediate vertical section. A preform inspection instrument (2) and a preform rinser (A) are located near the floor, following the roller-sorter. The vertical conveyor is driven in synchronism with the blowing machine (1).

Description

Die Erfindung betrifft eine Vorrichtung zum Zuführen von Vorformlingen aus thermoplastischem Kunststoff mit einem Tragring im Bereich des offenen Endes zu einer Blasmaschine zum Herstellen von Hohlkörpern gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a device to feed of preforms made of thermoplastic with a support ring in the area of the open end to a blow molding machine for manufacturing of hollow bodies according to the generic term of claim 1.

Es ist bereits eine derartige Vorrichtung bekannt, bei der die ausgerichteten und vereinzelten Vorformlinge vom Rollensortierer direkt in den erhöhten Anfangsbereich der Rutsche übergeben werden (WO 02/36466 A1). Da die Einlaufstelle einer modernen Streckblasmaschine zum Herstellen von Flaschen üblicherweise mindestens ein bis zwei Meter über dem Boden sitzt und die Rutsche als Speicher für ausgerichtete Vorformlinge dient und entsprechend lang ist, liegt ihr oberes Ende mindestens drei Meter über dem Boden. Der Rollensortierer muß daher bei dieser „klassischen" Anordnung auf einem eigenen Podest erhöht angeordnet werden und ist nur über Leitern, Stufen oder dgl. erreichbar. Im Falle von Störungen am Rollensortierer dauert es entsprechend lang, bis die Bedienungsperson eingreifen kann, und der bauliche Aufwand ist hoch.It is already such a device known in which the aligned and isolated preforms handed over from the roller sorter directly into the elevated starting area of the slide be (WO 02/36466 A1). Because the entry point of a modern stretch blow molding machine usually for the manufacture of bottles at least one to two meters above sits on the floor and the slide as storage for aligned preforms serves and is correspondingly long, its upper end is at least three meters above the floor. The roller sorter must therefore with this "classic" arrangement on one own podium increased can be arranged and is only about Ladders, steps or the like can be reached. In the event of faults on Roll sorters take a long time to reach the operator can intervene, and the construction costs are high.

Der Erfindung liegt die Aufgabe zu Grunde, mit einfachen Mitteln die Zugänglichkeit des Rollensortierers zu verbessern.The invention is based on the object Basically, with simple means the accessibility of the roller sorter to improve.

Diese Aufgabe wird erfindungsgemäß durch die im Anspruch 1 angegebenen Merkmale gelöst.This object is achieved by the Features specified in claim 1 solved.

Bei einer erfindungsgemäßen Vorrichtung kann die Bedienungsperson der Blasmaschine bei den unvermeidlichen Störungen am Rollensortierer sofort eingreifen und Stillstandszeiten der Blasmaschine verhindern. Der zusätzliche Aufwand für den Höhenförderer ist auf Grund der vorherigen Ausrichtung und Formierung der Vorformlinge gering; er wird durch den Wegfall des Podests für die erhöhte Aufstellung des Rollensortierers mit Geländern, Treppen usw. mehr als ausgeglichen.In a device according to the invention the operator of the blow molding machine in the event of the inevitable malfunctions Intervention of the roller sorter and downtimes of the blow molding machine prevent. The additional Effort for the elevator based on the previous alignment and formation of the preforms low; by eliminating the pedestal, it is used to raise the roller sorter with railings, Stairs, etc. more than balanced.

Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen enthalten.Advantageous further developments of Invention are in the subclaims contain.

Zur näheren Erläuterung der Erfindung wird im Nachstehenden ein Ausführungsbeispiel anhand der Zeichnungen beschrieben.To explain the invention in more detail An embodiment is shown below described with reference to the drawings.

Es zeigen:Show it:

1 die schematische Draufsicht auf eine Streckblasmaschine mit einer Vorrichtung zum Zuführen der Vorformlinge 1 the schematic plan view of a stretch blow molding machine with a device for feeding the preforms

2 die schematische Draufsicht der Anordnung nach 1 und 2 the schematic plan view of the arrangement 1 and

3 die vergrößerte Draufsicht auf den Höhenförderer der Anordnung nach 1 und 2. 3 the enlarged plan view of the elevator of the arrangement 1 and 2 ,

Die Streckblasmaschine 1 nach 1 bis 3 ist zum Herstellen von Hohlkörpern in Form von Flaschen F aus Vorformlingen V aus thermoplastischem Kunststoff, insbesondere PET, eingerichtet. Die rotationssymmetrischen Vorformlinge V sind in der üblichen Weise durch Spritzgießen hergestellt und besitzen ein halbkugelig geschlossenes unteres Ende, einen zylindrischen Körper und ein offenes oberes Ende mit einem Gewinde und einem Tragring T. Die Streckblasmaschine 1 weist einen Linearofen 2 auf, in dem die mit Raumtemperatur zugeführten Vorformlinge V auf die Verarbeitungstemperatur erwärmt werden, sowie ein mit mehreren Streckblasstationen versehenes Blasrad 3, in denen die vorformlinge V mittels einer mechanischen Reckstange und durch Zuführung von Druckluft in die gewünschte Endform gebracht werden.The stretch blow molding machine 1 to 1 to 3 is set up for the production of hollow bodies in the form of bottles F from preforms V made of thermoplastic material, in particular PET. The rotationally symmetrical preforms V are produced in the usual manner by injection molding and have a hemispherically closed lower end, a cylindrical body and an open upper end with a thread and a support ring T. The stretch blow molding machine 1 has a linear oven 2 on, in which the preforms V supplied at room temperature are heated to the processing temperature, and a blowing wheel provided with several stretch blow molding stations 3 , in which the preforms V are brought into the desired final shape by means of a mechanical stretching rod and by supplying compressed air.

Der Linearofen 2 umfasst einen um eine senkrechte Achse umlaufenden, einen sägezahnartigen Umfang aufweisenden Einlaufstern 4, durch den die Vorformlinge V vereinzelt und dem Förderer des Linearofens 2 zugeführt werden. Dementsprechend ist der Einlaufstern 4 synchron zum Förderer des Linearofens 2 angetrieben, wobei er die Vorformlinge V in ihrer aufrechten Normalposition, d.h. mit dem offenen Ende nach oben weisend, hängend transportiert.The linear furnace 2 comprises an inlet star rotating around a vertical axis and having a sawtooth-like circumference 4 , through which the preforms V are separated and the conveyor of the linear furnace 2 are fed. Accordingly, the inlet star 4 synchronous to the conveyor of the linear furnace 2 driven, whereby it transports the preforms V in their upright normal position, ie with the open end pointing upwards.

Die Zufuhr der Vorformlinge V zur Streckblasmaschine 1, genauer gesagt zu deren Einlaufstern 4, der sich konstruktionsbedingt in einer Höhe von ca. 1,5 Meter über dem Boden befindet, erfolgt durch eine insgesamt mit 5 bezeichnete Vorrichtung.The supply of the preforms V to the stretch blow molding machine 1 , more precisely, to their inlet star 4 , which is at a height of approx. 1.5 meters above the ground due to the construction, is carried out by a total of 5 designated device.

Die Vorrichtung 5 weist einen bodennah aufgestellten Silo 6 zur ungeordneten Aufnahme einer Vielzahl von Vorformlingen V auf, der von oben her durch Einschütten der in Kästen K angelieferten Vorformlinge V periodisch befüllt wird. Nahe dem Silo 6 ist gleichfalls bodennah ein üblicher Rollensortierer 7 mit zwei gegenläufig angetriebenen, zylindrischen Rollen 8, 8' aufgestellt, der in Transportrichtung leicht nach unten geneigt ist. Durch einen Schrägförderer 9 werden die Vorformlinge V am Boden des Silos 6 ungeordnet entnommen und am oberen Ende des Rollensortierers 7 eingefüllt. Das obere Ende des Rollensortierers 7 befindet sich ca. 1 Meter über dem Boden, das untere Ende entsprechend tiefer. Der Rollensortierer 7 ist daher von allen Seiten durch eine auf dem Boden stehende Bedienungsperson normaler Größe optimal zugänglich, genauso wie der Schrägförderer 9 und der Auslaufbereich des Silos 6. Bei Störungen in diesen kritischen Bereichen kann die sich normalerweise am Bedienpult 10 der Streckblasmaschine 1 aufhaltende Bedienungsperson schnell zugreifen und Störungen sofort beheben, bevor es zu Stillstandszeiten der Streckblasmaschine 1 kommt.The device 5 has a silo installed close to the ground 6 for the disorderly reception of a large number of preforms V, which is periodically filled from above by pouring the preforms V supplied in boxes K into them. Near the silo 6 is also a common roller sorter close to the ground 7 with two counter-rotating cylindrical rollers 8th . 8th' set up, which is slightly inclined downwards in the transport direction. By an inclined conveyor 9 the preforms V become at the bottom of the silo 6 disorderly removed and at the upper end of the roll sorter 7 filled. The top end of the roll sorter 7 is about 1 meter above the ground, the lower end correspondingly lower. The roller sorter 7 is therefore optimally accessible from all sides by a normal-sized operator standing on the floor, just like the feeder 9 and the outlet area of the silo 6 , If there are faults in these critical areas, this can usually be done on the control panel 10 the stretch blow molding machine 1 stop operator quickly access and troubleshoot immediately before it comes to downtime of the stretch blow molder 1 comes.

Dem Einlaufstern 4 des Linearofens 2 ist eine schräge Rutsche 11 unmittelbar vorgeschaltet, die zwei mit Abstand angeordnete Tragschienen 12, 13 umfasst. Die Vorformlinge V liegen mit ihren Tragringen T auf den Tragschienen 12, 13 auf und können, angetrieben durch den Hangabtrieb, zwischen diesen in Richtung Einlaufstern 4 rutschen. Die Rutsche 11 hat eine gewisse Pufferfunktion zwecks Sicherung einer lückenlosen Beschickung der Streckblasmaschine 1 und nimmt daher weit über 100 Vorformlinge V auf. Dementsprechend liegt ihr oberes Ende mehr als 3 Meter über dem Boden.The inlet star 4 of the linear furnace 2 is an oblique slide 11 immediately upstream, the two spaced support rails 12 . 13 includes. The preforms V lie with their support rings T on the support rails 12 . 13 on and can, driven by the slope down, between them towards the inlet star 4 slip. The slide 11 has a certain buffer function to ensure that the stretch blow molding machine is fully fed 1 and therefore takes up well over 100 preforms V. Accordingly, her top lies End more than 3 meters above the floor.

Zur Überwindung des Höhenunterschieds von ca. 2 Metern oder mehr zwischen dem Auslauf des Rollensortierers 7, der die am oberen Ende ungeordnet zugeführten Vorformlinge V zwischen seinen beiden Rollen 8, 8' in herkömmlicher Weise in eine Einzelreihe formiert und mit dem offenen Ende nach oben ausrichtet, und dem oberen einlaufseitigen Ende der Rutsche 11 ist ein Höhenförderer 14 zwischengeschaltet. Dieser umfasst zwei endlose, flexible Zugmittel in Form von Rollenketten 15, 16, deren Außenseiten mit fingerartigen, elastisch nachgiebigen Mitnehmern 17 aus Kunststoff besetzt sind. Die Rollenketten 15, 16 laufen über untere Antriebsräder 18, 19 und obere Umlenkräder 20, 21 und sind in Führungsschienen 22, 23 geführt. Sie definieren zwischen sich einen S-förmigen Förderweg, dessen Breite etwas geringer ist als der Durchmesser der Vorformlinge V im Rumpfbereich, so dass die Vorformlinge V unter elastischer Biegung der Mitnehmer 17 unterhalb des Tragrings T beidseitig eingeklemmt werden.To overcome the height difference of approx. 2 meters or more between the outlet of the roller sorter 7 , the preforms V fed in a disordered manner at the upper end between its two roles 8th . 8th' conventionally formed into a single row and aligned with the open end up and the top inlet end of the slide 11 is an elevator 14 interposed. This comprises two endless, flexible traction devices in the form of roller chains 15 . 16 , the outsides with finger-like, resilient drivers 17 are made of plastic. The roller chains 15 . 16 run over lower drive wheels 18 . 19 and upper pulleys 20 . 21 and are in guide rails 22 . 23 guided. They define an S-shaped conveying path between them, the width of which is slightly less than the diameter of the preforms V in the fuselage area, so that the preforms V are subject to elastic bending of the drivers 17 be clamped on both sides below the support ring T.

Der untere Anfangsbereich des Höhenförderers 14 fluchtet mit dem Rollensortierer 7 und ist entsprechend geneigt, während der obere Endbereich des Höhenförderers 14 mit der Rutsche 11 fluchtet und dementsprechend geneigt ist. Der mittlere Zwischenbereich des Höhenförderers 14 verläuft senkrecht nach oben, wobei zwischen dem Anfangsbereich und dem Endbereich bogenförmige Übergänge vorgesehen sind.The lower start area of the elevator 14 aligns with the roller sorter 7 and is inclined accordingly while the upper end portion of the elevator 14 with the slide 11 is aligned and accordingly inclined. The middle intermediate area of the elevator 14 runs vertically upwards, with arcuate transitions being provided between the start region and the end region.

Wie die 3 zeigt, werden die ausgerichteten und formierten Vorformlinge V vom Ende der Rollen 8, 8' durch kurze Tragschienen 24, 25 hängend zwischen die Rollenketten 15, 16 bzw. Mitnehmer 17 des Höhenförderers 14 eingeführt. Die Tragschienen 24, 25 sind gleichfalls nach unten hin geneigt. Auf diese Weise werden die den Rollensortierer 7 in aufrechter Normalposition verlassenden Vorformlinge V dicht aneinander liegend oder auch mit mehr oder weniger großen Abständen in den Höhenförderer 14 eingegeben, der die Vorformlinge V in der momentanen Position und unabhängig vom Abstand erfassen kann. Dieser Abstand wird während des Transports im Höhenförderer 14, wo die vorformlinge V im wesentlichen senkrecht zu ihrer Mittelachse bewegt werden, beibehalten und die Vorformlinge V werden in entsprechender unveränderter Position in die Rutsche 11, bzw. zwischen deren Tragschienen 12, 13 eingegeben. Die Formierung der Vorformlinge V und deren Ausrichtung wird daher durch den Höhenförderer 14 nicht beeinträchtigt und dieser arbeitet mit hoher Betriebssicherheit und Störungsfreiheit.As the 3 shows, the aligned and formed preforms V from the end of the rolls 8th . 8th' through short mounting rails 24 . 25 hanging between the roller chains 15 . 16 or driver 17 of the elevator 14 introduced. The mounting rails 24 . 25 are also inclined downwards. This way they become the roll sorter 7 in preforms V leaving upright normal position lying close to one another or with more or less large distances in the height conveyor 14 entered, which can capture the preforms V in the current position and regardless of the distance. This distance is increased during transportation in the elevator 14 , where the preforms V are moved substantially perpendicular to their central axis, and the preforms V are in the corresponding unchanged position in the slide 11 , or between their mounting rails 12 . 13 entered. The formation of the preforms V and their alignment is therefore done by the elevator 14 not affected and this works with high operational safety and freedom from interference.

Die beiden unten liegenden Antriebsräder 18, 19 des Höhenförderers 14 werden durch einen Motor M synchron in Pfeilrichtung angetrieben, wobei der Motor M wiederum synchron zur Streckblasmaschine 1 mit einer für deren Versorgung geeigneten Drehzahl umläuft. Zusätzlich können im Bereich der Rutsche 11 Sensoren S1, S2 vorgesehen werden, die bei einer Unterfüllung der Rutsche 11 die Drehzahl des Motors M geringfügig erhöhen und bei einer Überfüllung der Rutsche die Drehzahl des Motors M geringfügig absenken.The two drive wheels below 18 . 19 of the elevator 14 are driven synchronously in the direction of the arrow by a motor M, the motor M in turn being synchronized with the stretch blow molding machine 1 rotates at a speed suitable for their supply. In addition, in the area of the slide 11 Sensors S1, S2 are provided when the chute is underfilled 11 slightly increase the speed of the motor M and slightly reduce the speed of the motor M if the chute is overfilled.

Die erfindungsgemäße Vorrichtung 5 ermöglicht in gleicher weise wie die klassische Anordnung eine störungsfreie Beschickung von Streckblasmaschinen mit Vorformlingen mit den gegenwärtigen Höchstleistungen von z. B. 60.000 Vorformlingen pro Stunde. Gleichzeitig wird eine optimale Zugänglichkeit des Rollensortierers und der angrenzenden Elemente ermöglicht.The device according to the invention 5 In the same way as the classic arrangement, it enables trouble-free loading of stretch blow molding machines with preforms with the current peak performance of e.g. B. 60,000 preforms per hour. At the same time, optimal accessibility of the roller sorter and the adjacent elements is made possible.

Die erfindungsgemäße Gestaltung der Vorrichtung 5 ermöglicht in idealer weise nach dem Rollensortierer 7 weitere Behandlungseinrichtungen für die Vorformlinge wie z.B. eine Inspektionsvorrichtung I oder eine Ausblasvorrichtung A anzuordnen, die dann gleichfalls nicht mehr erhöht auf einem Podest angeordnet sein müssen. Diese Einrichtungen I, A können einen eigenen, kurzen Transporteur aufweisen, oder, wie in 2 angedeutet ist, direkt im unteren Anfangsbereich des Höhenförderers 14 angeordnet werden, wo die Vorformlinge V bereits vereinzelt und sicher fixiert sind.The inventive design of the device 5 ideally enables after the roller sorter 7 to arrange further treatment devices for the preforms, such as an inspection device I or a blow-out device A, which then also no longer have to be arranged on a pedestal. These devices I, A can have their own short conveyor, or, as in 2 is indicated, directly in the lower initial area of the elevator 14 be arranged where the preforms V are already isolated and securely fixed.

Claims (9)

Vorrichtung (5) zum Zuführen von Vorformlingen (V) aus thermoplastischem Kunststoff mit einem Tragring (T) im Bereich des offenen Endes zu einer Blasmaschine (1) zum Herstellen von Hohlkörpern (F), mit einem bodennah aufgestellten Silo (6) zur ungeordneten Aufnahme mehrerer Vorformlinge, einem die Vorformlinge in eine mit dem offenen Ende nach oben weisende Position ausrichtenden und zu einer Einzelreihe formierenden Rollensortierer (7), einem die vorformlinge ungeordnet vom Silo zum Rollensortierer bewegenden Schrägförderer (9) und mit einer abwärts geneigten, unter den Tragringen angreifende Tragschienen aufweisenden Rutsche (11), die mehrere mit dem offenen Ende nach oben weisende Vorformlinge in einer Reihe aufnimmt und diese mittels Hangabtrieb der Blasmaschine zuführt, dadurch gekennzeichnet, dass der Rollensortierer (7) bodennah aufgestellt ist und zwischen den Rollensortierer (7) und das erhöhte obere Ende der Rutsche (11) ein die Vorformlinge (V) anhebender Höhenförderer (14) eingeschaltet ist.Contraption ( 5 ) for feeding preforms (V) made of thermoplastic with a support ring (T) in the area of the open end to a blow molding machine ( 1 ) for the production of hollow bodies (F) with a silo installed close to the floor ( 6 ) for the disordered reception of several preforms, one for aligning the preforms into a position with the open end pointing upwards and forming them into a single row ( 7 ), an inclined conveyor moving the preforms from the silo to the roller sorter 9 ) and with a downward sloping chute with support rails that engage under the support rings ( 11 ), which picks up several preforms with the open end pointing upwards and feeds them to the blow molding machine by means of downward slope, characterized in that the roller sorter ( 7 ) is installed close to the ground and between the roller sorters ( 7 ) and the raised top of the slide ( 11 ) a height conveyor (V) lifting the preforms (V) 14 ) is switched on. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Höhenförderer (14) die Vorformlinge (V) im wesentlichen rechtwinklig zu ihrer Mittelachse bewegt.Apparatus according to claim 1, characterized in that the height conveyor ( 14 ) moves the preforms (V) substantially at right angles to their central axis. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Höhenförderer (14) die Vorformlinge (V) im wesentlichen mit der durch den Rollensortierer (7) vorgegebenen Formation bewegt.Device according to claim 1 or 2, characterized in that the height conveyor ( 14 ) the preforms (V) essentially with the through the roller sorter ( 7 ) given formation moves. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Höhenförderer (14) zwei mit Abstand angeordnete, synchron antreibbare endlose Fördermittel (15, 16) aufweist, zwischen denen die Vorformlinge (V) eingeklemmt werden.Device according to one of claims 1 to 3, characterized in that the elevator ( 14 ) two spaced, synchronously drivable endless funding ( 15 . 16 ), between which the preforms (V) are clamped. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die endlosen Fördermittel (15, 16) mit elastischen, fingerartigen Mitnehmern (17) besetzt sind.Device according to claim 4, characterized in that the endless conveying means ( 15 . 16 ) with elastic, finger-like carriers ( 17 ) are occupied. Vorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass der Höhenförderer (14) einen mit dem Rollensortierer (7) fluchtenden Anfangsbereich, einen mit der Rutsche (11) fluchtenden Endbereich und einen senkrechten Zwischenbereich aufweist.Apparatus according to claim 4 or 5, characterized in that the height conveyor ( 14 ) one with the roller sorter ( 7 ) aligned starting area, one with the slide ( 11 ) has an aligned end region and a vertical intermediate region. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass nach dem Rollensortierer (7) ein Vorformling-Inspektor (2) bodennah aufgestellt ist.Device according to one of claims 1 to 6, characterized in that after the roller sorter ( 7 ) a preform inspector ( 2 ) is installed close to the ground. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass nach dem Rollensortierer (7) ein Vorformling-Rinser (A) bodennah aufgestellt ist.Device according to one of claims 1 to 7, characterized in that after the roller sorter ( 7 ) a preform rinser (A) is installed close to the floor. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Höhenförderer (14) synchron zur Blasmaschine (1) antreibbar ist.Device according to one of claims 1 to 8, characterized in that the height conveyor ( 14 ) synchronous to the blowing machine ( 1 ) can be driven.
DE20308513U 2003-05-30 2003-05-30 Equipment supplying thermoplastic preforms to bottle-blowing machine, has roller-sorter located near floor followed by vertical conveyor to chute Expired - Lifetime DE20308513U1 (en)

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