EP2196108A1 - Method for producing brush fields with moulds - Google Patents

Method for producing brush fields with moulds Download PDF

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Publication number
EP2196108A1
EP2196108A1 EP09014987A EP09014987A EP2196108A1 EP 2196108 A1 EP2196108 A1 EP 2196108A1 EP 09014987 A EP09014987 A EP 09014987A EP 09014987 A EP09014987 A EP 09014987A EP 2196108 A1 EP2196108 A1 EP 2196108A1
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EP
European Patent Office
Prior art keywords
mold
perforations
bristle tufts
bristle
section
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EP09014987A
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German (de)
French (fr)
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EP2196108B1 (en
Inventor
Georg Steck
Hannes Hauser
Udo Brender
Christoph Schubnell
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Ranir GmbH
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Frisetta Kunststoff GmbH and Co KG
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Publication of EP2196108A1 publication Critical patent/EP2196108A1/en
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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/04—Machines for inserting or fixing bristles in bodies
    • A46D3/045—Machines for inserting or fixing bristles in bodies for fixing bristles by fusing or gluing to a body

Definitions

  • the invention relates to a method for producing bristle fields for brushes or bristle bundles for brushes, wherein bristle tufts are filled into holes or receiving openings of molds, wherein initially the bristle tufts are formed from single bristles by a bristle supply is separated into bristle tufts, after which these individual bristle tufts Form supplied by means of a gas or air flow, transported by leading to each hole to be filled leading feed lines and introduced into the perforations of the mold.
  • the invention further relates to a device for producing bristle fields for brushes or bristle bundles for brushes, with a perforated or receiving openings provided form, in each of which a bristle tuft fits, wherein supply means or supply lines are provided to the mold and at least each hole to be filled a supply means belongs or leads a supply line to which supply lines means for generating a gas or air flow to the mold can be connected.
  • the inventive method provides that the bristle tufts are first filled into holes of a first shape whose cross section is greater than the cross section of the respective bristle tufts in its compressed form of use, that serving for promoting gas or air flow in the form between flows through the bristles until all the bristles are filled in the first mold, and then that the bristle tufts are transferred from this first shape into a second shape with narrower receiving openings, the two forms have on their sides facing each other matching or nearly matching hole patterns.
  • the bristles may be relatively first in the first shape loose and thus completely filled, after which they are compacted only when transferred to the second form, so if all belonging to a bristle tufts bristles together and a residual individual bristles is no longer to be feared.
  • the second shape can thus be arranged with the narrower receiving openings in continuation of the first mold, so that the receiving openings of the first and the second mold can continue and / or aligned with each other, and then the bristle tufts can after conveying into the first form of their continuous receiving openings are conveyed into the narrower receiving openings of the second mold and thereby compressed.
  • a development of the method according to the invention can provide the bristle tufts are conveyed from the second mold, in particular mechanically by means of rams or pins or by means of compressed gas or compressed air, into the perforations of a brush body.
  • the bristle tufts are compacted by the second mold, they can be inserted from there into the corresponding perforations of the brush body, using proven techniques.
  • the bristle tufts from the second mold for stepwise or further compaction are first conveyed into at least one further form with perforations whose cross section is smaller than that of the perforations of the second mold.
  • the compression process according to the invention can take place or be repeated in several steps.
  • the bristle tufts between the removal from the second mold and the introduction into a brush body profiled at its working end and / or cut at its end remote from the working end and / or fused and / or the cross section is changed and / or at least two bristle tufts are brought together.
  • the bristle tufts between the removal from the second mold and the introduction into a brush body profiled at its working end and / or cut at its end remote from the working end and / or fused and / or the cross section is changed and / or at least two bristle tufts are brought together.
  • the inventive, initially defined device for producing bristle fields for brushes or bristle bundles for brushes may be characterized to solve the problem be that in addition to the first shape is provided a second shape that the holes of the first shape have a larger cross-section than a bristle tufts to be formed, that the perforations of the second shape have a smaller cross-section than that of the first form that at the entrance into each perforations of the second shape is arranged in each case an insertion and compression slope and that the two forms have on their sides facing each other matching or nearly matching hole patterns.
  • the solution according to the invention therefore accepts that at least two molds are to be provided one behind the other or must be placed one behind the other, so apparently a greater effort is operated, but this ensures that the bristle tufts with the aid of a gas or air flow with great certainty to their destination can be brought in the connection to the supply lines without leaving behind individual bristles and then the resulting bristle tufts would not be complete.
  • a non-exact match of the hole patterns is possible if the insertion bevels bridge a certain lateral offset of the longitudinal centers of the substantially continuing receiving openings.
  • the insertion bevel which facilitates and permits the transition from the larger-diameter perforations into the narrower perforations of the second mold, may be provided on the second mold itself or on an intermediate plate arranged between the first mold and the second mold.
  • this introduction bevel can lead into the narrower perforation in the shape of a funnel, for example, and be designed as a hollow cone, for example. It is particularly favorable if the perforations of the first and second molds continue at least in the position of use and in particular are aligned with one another. This allows the bristle tufts in a particularly simple manner from the first in the second form will be transferred.
  • the cross section of at least part of the perforations or the cross section of all perforations can be profiled circular or deviating from a round shape. In this way, bristle tufts of different overall cross-sections can be preformed.
  • the cross section of the perforations of the first shape ie the preform, circular and the cross section of the perforations of the subsequent shape is profiled.
  • the bristle tufts can first be loosely taken up in the first form in relatively easy to produce holes and then profiled in the transition to the second shape in terms of their cross-section.
  • a possible further embodiment of the device may provide that, in addition to the first mold and the second mold for stepwise or further compaction of the bristle tufts, at least one further mold is initially provided which has perforations whose cross section is smaller than that of the perforations of the second mold , With such a device configured, it is possible, for example, if necessary, to compress the bristles in a plurality of smaller compression steps in the desired manner or to put in an overall higher compressed state.
  • the degree of filling of the second form can be significantly increased, for example to about 70%, which degree of filling in the first form would cause the flow no longer flow smoothly until the end of the delivery phase could.
  • a device as a whole designated 1 is analogous to the device, which in the EP 0 405 204 B1 for making bristle pads for brushes or bristle bunches for brushes.
  • To this device 1 includes at least one provided with holes 2 or holes shape 3, in each of which a bristle tufts 4 fits. You can see analogous to the EP 0 405 204 B1 Feed lines 5, which lead to the mold 3 and serve as a supply means, whereby the bristle tufts 4 can be transported to each hole to be filled 2.
  • Form 3 has a connection for applying a negative pressure to the individual perforations 2 at the ends of the supply lines 5 or openings and openings and at the opposite ends of the supply lines 5 can in any
  • An overpressure can be applied to transport the bristle tufts 4 through the feed lines 5 to the mold 3 by means of a gas or air flow.
  • FIG. 2 a further part of the device 1 is shown.
  • a second mold 7 is provided, which also has perforations 8 for receiving bristle tufts 4.
  • bristle pads for brushes or bristle bundles for brushes it is possible in the manufacture of bristle pads for brushes or bristle bundles for brushes to remove bristle tufts 4 by means of a removal slide 10 from a bristle magazine 11 and to separate, as it is known from EP 0 405 204 B1 is known.
  • the bristle tufts 4 are initially formed from single bristles by a bristle stock, as mentioned, is singulated to these bristle tufts 4. Thereafter, the bristles are tufts of the first mold 3 by means of a gas or air flow through the supply lines. 5 supplied and introduced into the holes 2 of the first mold 3.
  • the bristle tufts 4 are therefore initially filled in perforations 2 of a first mold 3, whose cross-section, as already mentioned, is larger than the cross section of the respective bristle tufts 4 in its later compressed form of use. Accordingly, the individual bristles of the tufts 4 are loosely in the first mold 3, so that even after the introduction of these bristle tufts 4 in the mold 3, the conveying gas or air stream is not hindered. Furthermore, it is avoided that possibly individual bristles of a bristle tufts 4 do not get into the corresponding hole 2, because its cross section would be too narrow.
  • the bristle tufts 4 can be transferred from this first mold 3 after the pivoting over the second mold 7 in this second form 7 with the narrower receiving openings or holes 8 to compress them and bring them into a narrower cross section, as he when desired later in a brush is desired.
  • the insertion bevels 9 are provided on the second mold 7 itself at the entrance to the perforations 8. It would also be conceivable, however, to arrange an intermediate plate between the first mold 3 and the second mold 7, which has these insertion bevels 9.
  • the two forms 3 and 7 on their sides facing each other may have matching hole patterns, that is, the perforations 2 of the first mold 3 and the perforations 8 of the second mold 7 continue in the position of use and are aligned with each other their central axes. This is especially clear in FIG. 4 ,
  • the hole patterns of the two forms only almost coincide and the perforations 2 of the first mold 3 and the holes 8 of the second mold 7 are slightly offset from each other, so their longitudinal centers parallel to each other but at a small distance, as it FIG. 5 shows.
  • the transition between the perforations 2 and the holes 8 is still bridged by the insertion funnel 9, so that the bristle tufts 4 from the perforations 2 can be easily transferred into the narrower holes 8 in this case.
  • the bristle fields can already be configured in a desired manner.
  • cross section of individual or all perforations 2 and 8 can be profiled in a circle or deviating from a round shape.
  • the cross section of the perforations 2 of the first mold 3, in a sense a preform, circular and the cross section of the perforations 8 of the subsequent second mold 7 is profiled to form correspondingly profiled bristle tufts for the brush.
  • This transfer of the bristle tufts 4 from the first mold 3 into the second mold 7 can be effected, for example, mechanically by means of plungers or pins which are not shown.
  • the bristle tufts 4 can then be conveyed in particular mechanically by means of plungers or pins into the perforations of a brush body.
  • the second form 7 can therefore according to their in FIG. 6 shown filling cooperate with the compacted bristle tufts 4 in a known manner with brush bodies and corresponding brackets to bring the bristle tufts 4 in their final position of use.
  • bristle tufts 4 are filled in perforations or receiving openings 2 of a first mold 3, wherein initially the bristle tufts 4 are formed from single bristles by a bristle supply is separated into bristle tufts 4. Thereafter, the bristles are fed in tufts of the form 3 by means of a gas or air flow through feed lines 5 and introduced into the holes 2 of the first mold 3.
  • the cross section of the perforations or receiving openings 8 of this first mold 3 is greater than the cross section of the respective bristle tufts 4 in its later compressed position of use, so that the gas or air flow even after transferring the bristle tufts 4 in the mold 3 practically unhindered by the perforations or receiving openings 8 can flow through.
  • the bristle tufts 4 are transferred from this first mold 3 into a second mold 7 with narrower receiving openings 8 in order to bring the bristle tufts 4 into the desired compressed or compacted form.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)

Abstract

The method involves forming bristle bunch (4) with multiple bristles. The bristle bunch is filled in holes (2) of a mold (3), where cross-section of the mold is greater than the cross-section of the bunch. Gas or is passed in the mold between the bristles until all the bristles are filled in the mold. The bunch is transferred from the mold to another mold (7) with narrow receiving openings to bring the bunch into a desired compressed form. The molds have hole patterns, which correspond to each other, at sides of the molds, where the sides face each other. An independent claim is also included for a device for making bristle zones for brush or bristle bundles of brush.

Description

Die Erfindung betrifft ein Verfahren zum Herstellen von Borstenfeldern für Bürsten oder von Borstenbündeln für Pinsel, wobei Borstenbüschel in Lochungen oder Aufnahmeöffnungen von Formen eingefüllt werden, wobei zunächst die Borstenbüschel aus Einzelborsten gebildet werden, indem ein Borstenvorrat zu Borstenbüscheln vereinzelt wird, wonach diese vereinzelten Borstenbüschel der Form mit Hilfe eines Gas- oder Luftstroms zugeführt, durch zu jeder zu füllenden Lochung führende Zuführleitungen transportiert und in die Lochungen der Form eingebracht werden.The invention relates to a method for producing bristle fields for brushes or bristle bundles for brushes, wherein bristle tufts are filled into holes or receiving openings of molds, wherein initially the bristle tufts are formed from single bristles by a bristle supply is separated into bristle tufts, after which these individual bristle tufts Form supplied by means of a gas or air flow, transported by leading to each hole to be filled leading feed lines and introduced into the perforations of the mold.

Die Erfindung betrifft ferner eine Vorrichtung zum Herstellen von Borstenfeldern für Bürsten oder von Borstenbündeln für Pinsel, mit einer mit Lochungen oder Aufnahmeöffnungen versehenen Form, in welche jeweils ein Borstenbüschel passt, wobei Zuführmittel oder Zuführleitungen zu der Form vorgesehen sind und zu jeder zu füllenden Lochung mindestens ein Zuführmittel gehört oder eine Zuführleitung führt, an welche Zuführleitungen Mittel zur Erzeugung eines Gas- oder Luftstromes zu der Form hin anschließbar sind.The invention further relates to a device for producing bristle fields for brushes or bristle bundles for brushes, with a perforated or receiving openings provided form, in each of which a bristle tuft fits, wherein supply means or supply lines are provided to the mold and at least each hole to be filled a supply means belongs or leads a supply line to which supply lines means for generating a gas or air flow to the mold can be connected.

Ein derartiges Verfahren und eine solche Vorrichtung sind aus der EP 0 405 204 B1 bekannt und haben sich bewährt. Es hat sich jedoch gezeigt, dass vor allem bei einer hohen Fördergeschwindigkeit der Borstenbüschel in zu der Form führenden Leitungen die einzelnen Borsten in der Form so dicht und fest aneinander liegen können und verdichtet werden, dass das vollständige Eintreten und Einsaugen oder Eindrücken in die Form be- oder verhindert wird. Dies kann dazu führen, dass einzelne Borsten des jeweiligen Borstenbüschels nicht mehr oder zumindest nicht vollständig in die Form hineingelangen, sondern gegenüber den ordnungsgemäß in die Form eingeführten Borsten überstehen. Demgemäß kann der Füllgrad der fertigen Bürste betreffend die Borsten vermindert oder sogar unzureichend sein.Such a method and such a device are known from EP 0 405 204 B1 known and have proven themselves. However, it has been shown that especially at a high conveying speed of the bristle tufts in lines leading to the mold, the individual bristles in the mold can be so tight and tight together and are compacted that the complete entry and sucking or impressions in the form be - or is prevented. This can lead to individual bristles of the respective bristle tufts no longer or at least not completely get into the shape, but survive against the properly introduced into the mold bristles. Accordingly, the degree of filling of the finished brush with respect to the bristles may be reduced or even insufficient.

Es besteht deshalb die Aufgabe, ein Verfahren und eine Vorrichtung der vorstehend genannten Art zu schaffen, womit der Füllgrad der Bürste mit Borsten in der gewünschten Größenordnung erreicht werden kann.It is therefore the object to provide a method and an apparatus of the aforementioned type, whereby the degree of filling of the brush can be achieved with bristles of the desired order.

Zur Lösung dieser Aufgabe sieht das erfindungsgemäße Verfahren vor, dass die Borstenbüschel zunächst in Lochungen einer ersten Form gefüllt werden, deren Querschnitt größer als der Querschnitt des jeweiligen Borstenbüschels in dessen zusammengedrückter Gebrauchsform ist, dass der zur Förderung dienende Gas- oder Luftstrom in der Form zwischen den Borsten hindurchströmt, bis alle Borsten in die erste Form eingefüllt sind, und dass danach die Borstenbüschel aus dieser ersten Form in eine zweite Form mit engeren Aufnahmeöffnungen überführt werden, wobei die beiden Formen an ihren einander zugewandten Seiten übereinstimmende oder nahezu übereinstimmende Lochbilder haben.
Somit können die Borsten zunächst in die erste Form relativ locker und somit vollständig eingefüllt werden, wonach sie erst beim Überführen in die zweite Form verdichtet werden, wenn also alle zu einem Borstenbüschel gehörenden Borsten zusammen sind und ein Zurückbleiben einzelner Borsten nicht mehr zu befürchten ist. In der ersten Form wird also zunächst nur eine lockere Füllung der Aufnahmeöffnungen bewusst herbeigeführt, damit ein zur Förderung der Borsten in diese erste Form dienender Fördergasstrom zwischen der relativ lockeren Füllung von Borsten in der Form hindurchströmen kann, bis alle Borsten in diese erste Form eingefüllt sind. Durch die übereinstimmenden oder nahezu übereinstimmenden Lochbilder begünstigt, werden danach dann die zunächst noch lockeren Borstenbüschel in eine zweite Form überführt, deren engere Öffnungen die einzelnen Borsten oder Filamente in gewünschter Weise verdichten, so dass die dadurch gebildeten fertigen Borstenbüschel daraus entnommen und in einen Bürstenkörper eingesetzt werden können.To solve this problem, the inventive method provides that the bristle tufts are first filled into holes of a first shape whose cross section is greater than the cross section of the respective bristle tufts in its compressed form of use, that serving for promoting gas or air flow in the form between flows through the bristles until all the bristles are filled in the first mold, and then that the bristle tufts are transferred from this first shape into a second shape with narrower receiving openings, the two forms have on their sides facing each other matching or nearly matching hole patterns.
Thus, the bristles may be relatively first in the first shape loose and thus completely filled, after which they are compacted only when transferred to the second form, so if all belonging to a bristle tufts bristles together and a residual individual bristles is no longer to be feared. In the first form, therefore, initially only a loose filling of the receiving openings is deliberately brought about, so that a promotion of bristles serving in this first form conveying gas flow between the relatively loose filling of bristles in the form can flow through until all the bristles are filled in this first form , Favors by matching or nearly matching hole patterns, then the initially still loose bristle tufts are then transferred to a second form whose narrower openings densify the individual bristles or filaments in a desired manner, so that the resulting formed bristle tufts taken from it and inserted into a brush body can be.

Die zweite Form kann also mit den engeren Aufnahmeöffnungen in Fortsetzung der ersten Form angeordnet werden, so dass die Aufnahmeöffnungen der ersten und der zweiten Form sich fortsetzen und/oder miteinander fluchten können, und dann können die Borstenbüschel nach dem Fördern in die erste Form aus deren durchgängigen Aufnahmeöffnungen in die engeren Aufnahmeöffnungen der zweiten Form befördert und dadurch verdichtet werden.The second shape can thus be arranged with the narrower receiving openings in continuation of the first mold, so that the receiving openings of the first and the second mold can continue and / or aligned with each other, and then the bristle tufts can after conveying into the first form of their continuous receiving openings are conveyed into the narrower receiving openings of the second mold and thereby compressed.

Dabei ist es möglich, die Borstenbüschel mechanisch mittels Stößel oder Stiften in die zweite Form zu überführen. Bei der erfindungsgemäßen Verfahrensweise kann also teilweise auf bewährte Techniken zurückgegriffen werden, wie das Einbringen von Borstenbüscheln in relativ enge Lochungen.It is possible to transfer the bristle tufts mechanically by means of plunger or pins in the second form. In the procedure according to the invention, therefore, it is possible to resort in part to proven techniques, such as the introduction of bristle tufts into relatively narrow perforations.

Eine Weiterbildung des erfindungsgemäßen Verfahrens kann vorsehen, dass die Borstenbüschel aus der zweiten Form, insbesondere mechanisch mittels Stößeln oder Stiften oder mittels Druckgas oder Druckluft, in die Lochungen eines Bürstenkörpers befördert werden. Sind die Borstenbüschel also durch die zweite Form verdichtet, können sie aus dieser wiederum unter Rückgriff auf bewährte Techniken in die entsprechenden Lochungen des Bürstenkörpers eingeführt werden.A development of the method according to the invention can provide the bristle tufts are conveyed from the second mold, in particular mechanically by means of rams or pins or by means of compressed gas or compressed air, into the perforations of a brush body. Thus, if the bristle tufts are compacted by the second mold, they can be inserted from there into the corresponding perforations of the brush body, using proven techniques.

Ebenso ist es möglich, dass die Borstenbüschel aus der zweiten Form zur stufenweisen oder weiteren Verdichtung zunächst in wenigstens eine weitere Form mit Lochungen befördert werden, deren Querschnitt kleiner als der der Lochungen der zweiten Form ist. Vor dem Einführen in den Bürstenkörper kann also der erfindungsgemäße Verdichtungsvorgang in mehreren Schritten erfolgen beziehungsweise wiederholt werden.It is also possible that the bristle tufts from the second mold for stepwise or further compaction are first conveyed into at least one further form with perforations whose cross section is smaller than that of the perforations of the second mold. Before the introduction into the brush body, therefore, the compression process according to the invention can take place or be repeated in several steps.

Zwischen dem Entnehmen der verdichteten Borstenbüschel aus der zweiten oder der dritten oder einer weiteren Form und dem Einbringen oder Einfüllen in die Lochungen oder Bohrungen des Bürstenkörpers können weitere Zwischenschritte durchgeführt werden.Between the removal of the compressed bristle tufts from the second or the third or another form and the introduction or filling in the holes or holes of the brush body further intermediate steps can be performed.

Beispielsweise ist es möglich, dass die Borstenbüschel zwischen der Entnahme aus der zweiten Form und dem Einbringen in einen Bürstenkörper an ihrem Arbeitsende profiliert und/oder an ihrem dem Arbeitsende abgewandten Ende geschnitten und/oder verschmolzen und/oder der Querschnitt verändert wird und/oder wenigstens zwei Borstenbüschel zusammengeführt werden. Auch dabei kann also auf bewährte Techniken und Verfahren zurückgegriffen werden.For example, it is possible that the bristle tufts between the removal from the second mold and the introduction into a brush body profiled at its working end and / or cut at its end remote from the working end and / or fused and / or the cross section is changed and / or at least two bristle tufts are brought together. Here, too, can be used on proven techniques and procedures.

Die erfindungsgemäße, eingangs definierte Vorrichtung zum Herstellen von Borstenfeldern für Bürsten oder von Borstenbündeln für Pinsel kann zur Lösung der Aufgabe dadurch gekennzeichnet sein, dass zusätzlich zu der ersten Form eine zweite Form vorgesehen ist, dass die Lochungen der ersten Form einen größeren Querschnitt als ein zu bildendes Borstenbüschel haben, dass die Lochungen der zweiten Form einen geringeren Querschnitt als die der ersten Form haben, dass am Eintritt in alle Lochungen der zweiten Form jeweils eine Einführ- und Verdichtungsschräge angeordnet ist und dass die beiden Formen an ihren einander zugewandten Seiten übereinstimmende oder nahezu übereinstimmende Lochbilder haben.
Die erfindungsgemäße Lösung nimmt also in Kauf, dass wenigstens zwei Formen hintereinander vorzusehen sind oder hintereinander gebracht werden müssen, also scheinbar ein größerer Aufwand betrieben wird, wodurch aber erreicht wird, dass die Borstenbüschel mit Hilfe eines Gas- oder Luftstroms mit großer Sicherheit an ihr Ziel im Anschluß an die Zuführleitungen gebracht werden können, ohne dass dabei einzelne Borsten zurückbleiben und dann das entstehende Borstenbüschel nicht mehr komplett wäre. Dabei ist auch eine nicht genaue Übereinstimmung der Lochbilder möglich, wenn die Einführschrägen einen gewissen seitlichen Versatz der Längsmitten der sich im Wesentlichen fortsetzenden Aufnahmeöffnungen überbrücken.The inventive, initially defined device for producing bristle fields for brushes or bristle bundles for brushes may be characterized to solve the problem be that in addition to the first shape is provided a second shape that the holes of the first shape have a larger cross-section than a bristle tufts to be formed, that the perforations of the second shape have a smaller cross-section than that of the first form that at the entrance into each perforations of the second shape is arranged in each case an insertion and compression slope and that the two forms have on their sides facing each other matching or nearly matching hole patterns.
The solution according to the invention therefore accepts that at least two molds are to be provided one behind the other or must be placed one behind the other, so apparently a greater effort is operated, but this ensures that the bristle tufts with the aid of a gas or air flow with great certainty to their destination can be brought in the connection to the supply lines without leaving behind individual bristles and then the resulting bristle tufts would not be complete. In this case, a non-exact match of the hole patterns is possible if the insertion bevels bridge a certain lateral offset of the longitudinal centers of the substantially continuing receiving openings.

Die Einführschräge, die den Übergang von den im Querschnitt größeren Lochungen in die engeren Lochungen der zweiten Form erleichtert und ermöglicht, kann an der zweiten Form selbst oder an einer zwischen der ersten Form und der zweiten Form angeordneten Zwischenplatte vorgesehen sein. Beispielsweise kann diese Einführschräge etwa trichterartig in die engere Lochung hineinführen und zum Beispiel als Hohlkonus ausgebildet sein.
Besonders günstig ist es, wenn sich die Lochungen der ersten und der zweiten Form zumindest in Gebrauchsstellung fortsetzen und insbesondere miteinander fluchten. Dadurch können die Borstenbüschel auf besonders einfache Weise von der ersten in die zweite Form überführt werden.The insertion bevel, which facilitates and permits the transition from the larger-diameter perforations into the narrower perforations of the second mold, may be provided on the second mold itself or on an intermediate plate arranged between the first mold and the second mold. By way of example, this introduction bevel can lead into the narrower perforation in the shape of a funnel, for example, and be designed as a hollow cone, for example.
It is particularly favorable if the perforations of the first and second molds continue at least in the position of use and in particular are aligned with one another. This allows the bristle tufts in a particularly simple manner from the first in the second form will be transferred.

Der Querschnitt wenigstens eines Teiles der Lochungen oder der Querschnitt aller Lochungen kann kreisrund oder von einer runden Form abweichend profiliert sein. Auf diese Weise können Borstenbüschel unterschiedlicher Gesamtquerschnitte vorgeformt werden.The cross section of at least part of the perforations or the cross section of all perforations can be profiled circular or deviating from a round shape. In this way, bristle tufts of different overall cross-sections can be preformed.

Denkbar ist dabei, dass der Querschnitt der Lochungen der ersten Form, also der Vorform, kreisrund und der Querschnitt der Lochungen der sich anschließenden Form profiliert ist. Somit können die Borstenbüschel zunächst in der ersten Form locker in relativ einfach herstellbaren Lochungen aufgenommen und dann bei dem Übergang in die zweite Form hinsichtlich ihres Querschnitts profiliert werden.It is conceivable that the cross section of the perforations of the first shape, ie the preform, circular and the cross section of the perforations of the subsequent shape is profiled. Thus, the bristle tufts can first be loosely taken up in the first form in relatively easy to produce holes and then profiled in the transition to the second shape in terms of their cross-section.

Eine mögliche weitere Ausführung der Vorrichtung kann vorsehen, dass zusätzlich zu der ersten Form und der zweiten Form zur stufenweisen oder weiteren Verdichtung der Borstenbüschel zunächst wenigstens eine weitere Form vorgesehen ist, die Lochungen, deren Querschnitt kleiner als der der Lochungen der zweiten Form ist, aufweist.
Mit einer derart ausgestalteten Vorrichtung ist es beispielsweise bei Bedarf möglich, die Borsten in mehreren, kleineren Verdichtungsschritten in gewünschter Weise zu verdichten oder in einen insgesamt höher verdichteten Zustand zu versetzen.A possible further embodiment of the device may provide that, in addition to the first mold and the second mold for stepwise or further compaction of the bristle tufts, at least one further mold is initially provided which has perforations whose cross section is smaller than that of the perforations of the second mold ,
With such a device configured, it is possible, for example, if necessary, to compress the bristles in a plurality of smaller compression steps in the desired manner or to put in an overall higher compressed state.

Vor allem bei Kombination einzelner oder mehrerer der vorbeschriebenen Merkmale und Maßnahmen ist es möglich, gut verdichtete Borstenbüschel innerhalb der zweiten Form zu schaffen, die mit einer solchen Dichtigkeit schon in der ersten Form einen Fördergas- oder Luftstrom nicht mehr störungsfrei fließen lassen würden, so dass eine Herstellung von Bürsten mit "kompletten" Borstenbüscheln gefährdet wäre. Versuche haben gezeigt, dass durch das erfindungsgemäße Verfahren und die erfindungsgemäße Vorrichtung der Füllungsgrad der zweiten Form erheblich, beispielsweise auf etwa 70% gesteigert werden kann, welcher Füllungsgrad in der ersten Form dazu führen würde, dass der Förderstrom nicht mehr störungsfrei bis zum Ende der Förderphase fließen könnte.Especially when combining one or more of the above-described features and measures, it is possible to create well-compacted bristle tufts within the second mold, which would no longer flow smoothly with such tightness in the first form a conveying gas or air flow, so that a production of brushes with "complete" bristle tufts would be at risk. tries have shown that by the inventive method and the apparatus of the invention, the degree of filling of the second form can be significantly increased, for example to about 70%, which degree of filling in the first form would cause the flow no longer flow smoothly until the end of the delivery phase could.

Nachstehend ist ein Ausführungsbeispiel der Erfindung anhand der Zeichnungen näher beschrieben. Es zeigt in zum Teil schematisierter Darstellung:

Fig. 1
eine erfindungsgemäße Vorrichtung, mit welcher aus einem Borstenvorrat oder Borstenfüllkasten zu Borstenbüscheln zusammengefasste Borsten mittels Leitungen einer ersten Form zugeführt werden können, wobei in den Leitungen ein Förderstrom eines Gases oder von Luft die Borstenbüschel zu der Form bewegt,
Fig. 2
die erste Form und die Mündungen der Förderleitungen an einer Umsetzeinrichtung, an welcher zu der Mündung der Förderleitungen beabstandet eine Übergabestelle von der ersten Form in eine zweite Form mit engeren Lochungen vorgesehen ist,
Fig. 3
eine der Figur 2 entsprechende Darstellung, wobei die in der ersten Form locker in Lochungen gehaltenen Borstenbüschel in engere Lochungen der zweiten Form überführt werden,
Fig. 4
in vergrößertem Maßstab die Einzelheit am Übergang von der ersten Form in die zweite Form, wobei die Lochung mit dem größeren Querschnitt der ersten Form mit der Lochung mit dem engeren Querschnitt der zweiten Form fluchtet, das heißt die Längsmittelachsen dieser Lochungen einander fluchtend fortsetzen und am Eintritt in die engere Lochung der zweiten Form eine Einführschräge vorgesehen ist,
Fig. 5
eine der Figur 4 entsprechende Darstellung, bei welcher die beiden Längsmittelachsen der unterschiedliche Querschnitte aufweisenden Lochungen etwas versetzt sind und dieser Versatz von der Einführschräge am Eintritt in die Lochung mit dem kleineren Querschnitt überbrückt ist, sowie
Fig. 6
die zweite Form nach dem Einfüllen der Borstenbüschel aus der ersten Form und vor dem Überführen der nunmehr verdichteten Borstenbüschel in die Lochungen eines Bürstenkörpers.
An embodiment of the invention will be described in more detail below with reference to the drawings. It shows in partly schematized representation:
Fig. 1
a device according to the invention, with which from a bristle supply or bristle filling box bristles tufts combined bristles can be supplied by means of lines of a first form, wherein in the lines a flow of a gas or air moves the bristle tufts to the mold,
Fig. 2
the first shape and the mouths of the delivery lines to a transfer device, at which to the mouth of the conveyor lines spaced a transfer point from the first mold is provided in a second shape with narrower perforations,
Fig. 3
one of the FIG. 2 corresponding representation, wherein the loosely held in the first form bristles tufts are converted into narrower holes of the second form,
Fig. 4
on an enlarged scale, the detail at the transition from the first shape to the second shape, wherein the hole with the larger cross section of the first shape with the hole with the narrower cross section the second shape is aligned, that is to say the longitudinal center axes of these perforations continue in alignment with one another and an insertion bevel is provided at the entry into the narrower perforation of the second form,
Fig. 5
one of the FIG. 4 corresponding representation in which the two longitudinal central axes of the different cross-sections having perforations are slightly offset and this offset is bridged by the insertion at the entrance to the hole with the smaller cross section, and
Fig. 6
the second form after filling the bristle tufts from the first mold and before transferring the now compressed bristle tufts in the perforations of a brush body.

Eine im Ganzen mit 1 bezeichnete Vorrichtung dient analog der Vorrichtung, die in der EP 0 405 204 B1 beschrieben ist, zum Herstellen von Borstenfeldern für Bürsten oder von Borstenbündeln für Pinsel.A device as a whole designated 1 is analogous to the device, which in the EP 0 405 204 B1 for making bristle pads for brushes or bristle bunches for brushes.

Zu dieser Vorrichtung 1 gehört wenigstens eine mit Lochungen 2 oder Bohrungen versehene Form 3, in welche jeweils ein Borstenbüschel 4 passt. Dabei erkennt man analog der EP 0 405 204 B1 Zuführleitungen 5, die zu der Form 3 führen und als Zuführmittel dienen, womit die Borstenbüschel 4 zu jeder zu füllenden Lochung 2 transportiert werden können.To this device 1 includes at least one provided with holes 2 or holes shape 3, in each of which a bristle tufts 4 fits. You can see analogous to the EP 0 405 204 B1 Feed lines 5, which lead to the mold 3 and serve as a supply means, whereby the bristle tufts 4 can be transported to each hole to be filled 2.

In nicht näher dargestellter Weise hat die zu der Vorrichtung 1 gehörende Form 3 einen Anschluß zum Anlegen eines Unterdrucks an die einzelnen Lochungen 2 an deren den Zuführleitungen 5 abgewandten Enden oder Öffnungen und an den entgegengesetzten Enden der Zuführleitungen 5 kann in beliebiger Weise ein Überdruck angelegt werden, um die Borstenbüschel 4 durch die Zuführleitungen 5 zu der Form 3 mit Hilfe eines Gas- oder Luftstroms zu transportieren.In a manner not shown, belonging to the device 1 Form 3 has a connection for applying a negative pressure to the individual perforations 2 at the ends of the supply lines 5 or openings and openings and at the opposite ends of the supply lines 5 can in any An overpressure can be applied to transport the bristle tufts 4 through the feed lines 5 to the mold 3 by means of a gas or air flow.

In Figur 2 ist ein weiterer Teil der Vorrichtung 1 dargestellt. Dabei erkennt man wiederum Teile der Zuführleitungen 5 in deren Endbereich und die Form 3 mit ihren Lochungen 2 und darin enthaltenen, ihr zugeführten Borstenbüscheln 4. An einem drehbaren Arm 6 ist eine weitere derartige Form 3 vorgesehen beziehungsweise es ist dargestellt, wie die jeweilige Form 3 mit Hilfe des Armes 6 in den Bereich einer zweiten Form 7 gebracht und bewegt werden kann. Zusätzlich zu der ersten Form 3 ist also eine zweite Form 7 vorgesehen, die ebenfalls Lochungen 8 zur Aufnahme von Borstenbüscheln 4 hat.In FIG. 2 a further part of the device 1 is shown. In this case, one recognizes again parts of the feed lines 5 in the end region and the mold 3 with their perforations 2 and contained therein, they supplied bristle tufts 4. On a rotatable arm 6 is another such form 3 is provided or it is shown how the respective shape. 3 can be brought and moved by means of the arm 6 in the region of a second mold 7. In addition to the first mold 3 so a second mold 7 is provided, which also has perforations 8 for receiving bristle tufts 4.

Dabei erkennt man in den Figuren 2 und 3, dass die Lochungen 2 der ersten Form 3 einen größeren Querschnitt als ein zu bildendes Borstenbüschel 4 haben und dass die Lochungen 8 der zweiten Form 7 einen geringeren Querschnitt als die der ersten Form 3 haben. Ferner erkennt man in den Figuren 2 bis 6 und vor allem in den Figuren 4 und 5, dass am Eintritt in alle Lochungen 8 der zweiten Form 7 jeweils eine Einführ- und Verdichtungsschräge 9 angeordnet ist, die etwa trichterförmig ausgebildet ist.You can see in the Figures 2 and 3 in that the perforations 2 of the first mold 3 have a larger cross section than a bristle tufts 4 to be formed and that the perforations 8 of the second mold 7 have a smaller cross section than that of the first mold 3. Furthermore, one recognizes in the FIGS. 2 to 6 and especially in the FIGS. 4 and 5 in that, at the entry into all perforations 8 of the second mold 7, there is respectively arranged an introduction and compression slope 9, which is approximately funnel-shaped.

Somit ist es beim Herstellen von Borstenfeldern für Bürsten oder von Borstenbündeln für Pinsel möglich, Borstenbüschel 4 mit Hilfe eines Entnahmeschiebers 10 aus einem Borstenmagazin 11 zu entnehmen und zu vereinzeln, wie es aus der EP 0 405 204 B1 bekannt ist. Es werden also die Borstenbüschel 4 zunächst aus Einzelborsten gebildet, indem ein Borstenvorrat, wie erwähnt zu diesen Borstenbüscheln 4 vereinzelt wird. Danach werden die Borsten büschelweise der ersten Form 3 mit Hilfe eines Gas- oder Luftstroms durch die Zuführleitungen 5 zugeführt und in die Lochungen 2 der ersten Form 3 eingebracht.Thus, it is possible in the manufacture of bristle pads for brushes or bristle bundles for brushes to remove bristle tufts 4 by means of a removal slide 10 from a bristle magazine 11 and to separate, as it is known from EP 0 405 204 B1 is known. Thus, the bristle tufts 4 are initially formed from single bristles by a bristle stock, as mentioned, is singulated to these bristle tufts 4. Thereafter, the bristles are tufts of the first mold 3 by means of a gas or air flow through the supply lines. 5 supplied and introduced into the holes 2 of the first mold 3.

Die Borstenbüschel 4 werden also zunächst in Lochungen 2 einer ersten Form 3 gefüllt, deren Querschnitt, wie bereits erwähnt, größer als der Querschnitt des jeweiligen Borstenbüschels 4 in seiner späteren zusammengedrückten Gebrauchsform ist. Entsprechend locker sind die einzelnen Borsten der Borstenbüschel 4 in der ersten Form 3, so dass auch nach dem Einführen dieser Borstenbüschel 4 in die Form 3 der Förder-Gas- oder Luft-Strom nicht behindert wird. Ferner wird vermieden, dass eventuell einzelne Borsten eines Borstenbüschels 4 nicht in die entsprechende Lochung 2 hineingelangen, weil dessen Querschnitt zu eng wäre.The bristle tufts 4 are therefore initially filled in perforations 2 of a first mold 3, whose cross-section, as already mentioned, is larger than the cross section of the respective bristle tufts 4 in its later compressed form of use. Accordingly, the individual bristles of the tufts 4 are loosely in the first mold 3, so that even after the introduction of these bristle tufts 4 in the mold 3, the conveying gas or air stream is not hindered. Furthermore, it is avoided that possibly individual bristles of a bristle tufts 4 do not get into the corresponding hole 2, because its cross section would be too narrow.

Anhand der Figuren 2 und 3 erkennt man, dass die Borstenbüschel 4 aus dieser ersten Form 3 nach deren Verschwenkung über die zweite Form 7 in diese zweite Form 7 mit den engeren Aufnahmeöffnungen oder Lochungen 8 überführt werden können, um sie zu verdichten und in einen engeren Querschnitt zu bringen, wie er beim Gebrauch später in einer Bürste gewünscht ist.Based on Figures 2 and 3 it can be seen that the bristle tufts 4 can be transferred from this first mold 3 after the pivoting over the second mold 7 in this second form 7 with the narrower receiving openings or holes 8 to compress them and bring them into a narrower cross section, as he when desired later in a brush is desired.

Gemäß den Figuren 4 und 5 sind im Ausführungsbeispiel die Einführschrägen 9 an der zweiten Form 7 selbst am Eintritt in deren Lochungen 8 vorgesehen. Denkbar wäre aber auch, eine Zwischenplatte zwischen der ersten Form 3 und der zweiten Form 7 anzuordnen, die diese Einführschrägen 9 aufweist.According to the FIGS. 4 and 5 in the embodiment, the insertion bevels 9 are provided on the second mold 7 itself at the entrance to the perforations 8. It would also be conceivable, however, to arrange an intermediate plate between the first mold 3 and the second mold 7, which has these insertion bevels 9.

In den Figuren 2 bis 4 ist dargestellt, dass die beiden Formen 3 und 7 an ihren einander zugewandten Seiten übereinstimmende Lochbilder haben können, das heißt, die Lochungen 2 der ersten Form 3 und die Lochungen 8 der zweiten Form 7 setzen sich in Gebrauchsstellung fort und fluchten miteinander hinsichtlich ihrer Mittelachsen. Besonders deutlich erkennt man dies in Figur 4.In the FIGS. 2 to 4 It is shown that the two forms 3 and 7 on their sides facing each other may have matching hole patterns, that is, the perforations 2 of the first mold 3 and the perforations 8 of the second mold 7 continue in the position of use and are aligned with each other their central axes. This is especially clear in FIG. 4 ,

Es ist aber auch möglich, dass die Lochbilder der beiden Formen nur nahezu übereinstimmen und die Lochungen 2 der ersten Form 3 und die Lochungen 8 der zweiten Form 7 geringfügig zueinander versetzt sind, also ihre Längsmitten zwar parallel zueinander aber mit geringem Abstand verlaufen, wie es Figur 5 zeigt. In diesem Falle wird aber dennoch der Übergang zwischen den Lochungen 2 und den Lochungen 8 durch die Einführtrichter 9 überbrückt, so dass die Borstenbüschel 4 aus den Lochungen 2 auch in diesem Falle problemlos in die engeren Lochungen 8 überführt werden können. Auf diese Weise können die Borstenfelder schon in einer gewünschten Weise ausgestaltet werden.But it is also possible that the hole patterns of the two forms only almost coincide and the perforations 2 of the first mold 3 and the holes 8 of the second mold 7 are slightly offset from each other, so their longitudinal centers parallel to each other but at a small distance, as it FIG. 5 shows. In this case, however, the transition between the perforations 2 and the holes 8 is still bridged by the insertion funnel 9, so that the bristle tufts 4 from the perforations 2 can be easily transferred into the narrower holes 8 in this case. In this way, the bristle fields can already be configured in a desired manner.

Es sei erwähnt, dass der Querschnitt einzelner oder aller Lochungen 2 und 8 kreisrund oder aber von einer runden Form abweichend profiliert sein kann. Beispielsweise ist es möglich, dass der Querschnitt der Lochungen 2 der ersten Form 3, gewissermaßen einer Vorform, kreisrund und der Querschnitt der Lochungen 8 der sich anschließenden zweiten Form 7 profiliert ist, um entsprechend profilierte Borstenbüschel für die Bürsten zu bilden.It should be noted that the cross section of individual or all perforations 2 and 8 can be profiled in a circle or deviating from a round shape. For example, it is possible that the cross section of the perforations 2 of the first mold 3, in a sense a preform, circular and the cross section of the perforations 8 of the subsequent second mold 7 is profiled to form correspondingly profiled bristle tufts for the brush.

Anhand der Figuren 2 und 3 erkennt man, dass zum Herstellen von Borstenfeldern die zweite Form 7 mit den engeren Aufnahmeöffnungen oder Lochungen 8 in Fortsetzung der ersten Form 3 und in Fortsetzung von deren Lochungen 2 angeordnet wird, so dass die Aufnahmeöffnungen und Lochungen 2 und 8 der ersten und der zweiten Form sich fortsetzen, wie es in Figur 2 und 3 erkennbar ist, wobei die im Ausführungsbeispiel durch eine horizontale Verschwenkung der ersten Form 3 über die zweite Form 7 geschieht.Based on Figures 2 and 3 recognizes that for the production of bristle fields, the second mold 7 with the narrower receiving openings or holes 8 in continuation of the first mold 3 and in continuation of the perforations 2 is arranged so that the receiving openings and holes 2 and 8 of the first and the second mold continue as it is in FIG. 2 and 3 can be seen, which happens in the embodiment by a horizontal pivoting of the first mold 3 via the second mold 7.

Beim Vergleich der Figuren 2 und 3 wird auch deutlich, dass dann die Borstenbüschel 4 nach dem Fördern in die erste Form 3 und dem Versetzen in die erwähnte Relation zu der zweiten Form 7 aus deren durchgängigen Aufnahmeöffnungen 2 in die engeren Aufnahmeöffnungen 8 der zweiten Form 7 befördert und dadurch verdichtet werden. Gerade auch diese Verdichtung ist in Figur 3 deutlich erkennbar, in welcher schematisiert dargestellt ist, dass Borstenbüschel 4 gerade etwa über die Hälfte ihrer Länge aus der ersten Form 3 in die zweite Form 7 verschoben worden sind, bevor sie dann gemäß Figur 6 vollständig in die zweite Form 7 eingebracht werden.When comparing the Figures 2 and 3 It is also clear that the bristle tufts 4 are then conveyed into the narrower receiving openings 8 of the second mold 7 after being conveyed into the first mold 3 and displaced into the mentioned relation to the second mold 7 from their continuous receiving openings 2 and thereby compacted. Especially this compression is in FIG. 3 clearly recognizable, in which is shown schematically that bristle tufts 4 have just been moved about half of their length from the first mold 3 in the second mold 7, before then according to FIG. 6 completely introduced into the second mold 7.

Diese Überführung der Borstenbüschel 4 aus der ersten Form 3 in die zweite Form 7 kann beispielsweise mechanisch mittels nicht gezeichneten Stößeln oder Stiften erfolgen.This transfer of the bristle tufts 4 from the first mold 3 into the second mold 7 can be effected, for example, mechanically by means of plungers or pins which are not shown.

Aus der zweiten Form 7 können dann die Borstenbüschel 4 insbesondere mechanisch mittels Stößeln oder Stiften in die Lochungen eines Bürstenkörpers befördert werden. Die zweite Form 7 kann also nach ihrer in Figur 6 dargestellten Füllung mit den verdichteten Borstenbüscheln 4 in bekannter Weise mit Bürstenkörpern und entsprechenden Halterungen zusammenwirken, um die Borstenbüschel 4 in ihre endgültige Gebrauchslage zu bringen.From the second mold 7, the bristle tufts 4 can then be conveyed in particular mechanically by means of plungers or pins into the perforations of a brush body. The second form 7 can therefore according to their in FIG. 6 shown filling cooperate with the compacted bristle tufts 4 in a known manner with brush bodies and corresponding brackets to bring the bristle tufts 4 in their final position of use.

Zum Herstellen von Borstenfeldern für Bürsten oder von Borstenbündeln für Pinsel werden Borstenbüschel 4 in Lochungen oder Aufnahmeöffnungen 2 einer ersten Form 3 eingefüllt, wobei zunächst die Borstenbüschel 4 aus Einzelborsten gebildet werden, indem ein Borstenvorrat zu den Borstenbüscheln 4 vereinzelt wird. Danach werden die Borsten büschelweise der Form 3 mit Hilfe eines Gas- oder Luftstroms durch Zuführleitungen 5 zugeführt und in die Lochungen 2 der ersten Form 3 eingebracht. Der Querschnitt der Lochungen oder Aufnahmeöffnungen 8 dieser ersten Form 3 ist dabei größer als der Querschnitt des jeweiligen Borstenbüschels 4 in seiner späteren zusammengedrückten Gebrauchslage, so dass der Gas- oder Luftstrom auch nach dem Überführen der Borstenbüschel 4 in die Form 3 praktisch ungehindert durch die Lochungen oder Aufnahmeöffnungen 8 hindurchströmen kann. Die Borstenbüschel 4 werden aus dieser ersten Form 3 in eine zweite Form 7 mit engeren Aufnahmeöffnungen 8 überführt, um die Borstenbüschel 4 in die gewünschte zusammengedrückte oder verdichtete Form zu bringen.To produce bristle fields for brushes or bundles of bristles for brushes bristle tufts 4 are filled in perforations or receiving openings 2 of a first mold 3, wherein initially the bristle tufts 4 are formed from single bristles by a bristle supply is separated into bristle tufts 4. Thereafter, the bristles are fed in tufts of the form 3 by means of a gas or air flow through feed lines 5 and introduced into the holes 2 of the first mold 3. The cross section of the perforations or receiving openings 8 of this first mold 3 is greater than the cross section of the respective bristle tufts 4 in its later compressed position of use, so that the gas or air flow even after transferring the bristle tufts 4 in the mold 3 practically unhindered by the perforations or receiving openings 8 can flow through. The bristle tufts 4 are transferred from this first mold 3 into a second mold 7 with narrower receiving openings 8 in order to bring the bristle tufts 4 into the desired compressed or compacted form.

Claims (12)

Verfahren zum Herstellen von Borstenfeldern für Bürsten oder von Borstenbündeln für Pinsel, wobei Borstenbüschel (4) in Lochungen (2) oder Aufnahmeöffnungen von Formen (3) eingefüllt werden, wobei zunächst die Borstenbüschel (4) aus Einzelborsten gebildet werden, indem ein Borstenvorrat zu Borstenbüscheln (4) vereinzelt wird, wonach diese vereinzelten Borstenbüschel der Form (3) mit Hilfe eines Gas- oder Luftstroms zugeführt, durch zu jeder zu füllenden Lochung (2) führende Zuführleitungen (5) transportiert und in die Lochungen (2) der Form (3) eingebracht werden, dadurch gekennzeichnet, dass die Borstenbüschel (4) zunächst in Lochungen (2) einer ersten Form (3) gefüllt werden, deren Querschnitt größer als der Querschnitt des jeweiligen Borstenbüschels (4) in dessen zusammengedrückter Gebrauchsform ist, dass der zur Förderung dienende Gas- oder Luftstrom in der Form (3) zwischen den Borsten hindurchströmt, bis alle Borsten in die erste Form (3) eingefüllt sind, und dass danach die Borstenbüschel (4) aus dieser ersten Form (3) in eine zweite Form (7) mit engeren Aufnahmeöffnungen (8) überführt werden, wobei die beiden Formen (3, 7) an ihren einander zugewandten Seiten übereinstimmende oder nahezu übereinstimmende Lochbilder haben.A method of making bristle pads for brushes or bristle bundles for brushes, wherein bristle tufts (4) are filled in perforations (2) or receiving apertures of molds (3), wherein first the bristle tufts (4) are formed from single bristles by bristle stocking into bristle tufts (4) is singled, after which these isolated bristle tufts of the form (3) supplied by means of a gas or air flow, transported by leading to each hole to be filled (2) leading supply lines (5) and into the perforations (2) of the mold (3 ) are introduced, characterized in that the bristle tufts (4) are first filled in perforations (2) of a first mold (3) whose cross-section is greater than the cross section of the respective bristle tufts (4) in its compressed form of use, that for promoting flowing gas or air stream in the mold (3) flows between the bristles until all the bristles are filled in the first mold (3), and in that thereafter the bristle tufts (4) are transferred from said first mold (3) to a second mold (7) having narrower receiving openings (8), the two molds (3, 7) having matching or nearly matching hole patterns on their facing sides to have. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die zweite Form (7) mit den engeren Aufnahmeöffnungen (8) in Fortsetzung der ersten Form (3) angeordnet wird, so dass die Aufnahmeöffnungen (8) der ersten und der zweiten Form sich fortsetzen und/oder miteinander fluchten, und dass dann die Borstenbüschel (4) nach dem Fördern in die erste Form (3) aus deren durchgängigen Aufnahmeöffnungen in die engeren Aufnahmeöffnungen (8) der zweiten Form (7) befördert und dadurch verdichtet werden.A method according to claim 1, characterized in that the second mold (7) is arranged with the narrower receiving openings (8) in continuation of the first mold (3), so that the receiving openings (8) of the first and the second mold continue and / or aligned with each other, and that then the bristle tufts (4) after being conveyed into the first mold (3) from their continuous receiving openings in the narrower receiving openings (8) of the second form (7) and thereby compacted. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Borstenbüschel (4) mechanisch mittels Stößeln oder Stiften in die zweite Form (7) überführt werden.A method according to claim 1 or 2, characterized in that the bristle tufts (4) are mechanically transferred by means of plungers or pins in the second mold (7). Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Borstenbüschel (4) aus der zweiten Form (7), insbesondere mechanisch mittels Stößeln oder Stiften oder mittels Druckgas oder Druckluft, in die Lochungen eines Bürstenkörpers befördert werden.Method according to one of claims 1 to 3, characterized in that the bristle tufts (4) from the second mold (7), in particular mechanically by means of plungers or pins or by means of compressed gas or compressed air, are conveyed into the perforations of a brush body. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Borstenbüschel (4) aus der zweiten Form (7) zur stufenweisen oder weiteren Verdichtung zunächst in wenigstens eine weitere Form mit Lochungen befördert werden, deren Querschnitt kleiner als der der Lochungen der zweiten Form ist.Method according to one of claims 1 to 4, characterized in that the bristle tufts (4) from the second mold (7) for gradual or further compression are first conveyed in at least one further form with perforations whose cross section is smaller than that of the perforations of the second Shape is. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Borstenbüschel (4) zwischen der Entnahme aus der zweiten Form (7) und dem Einbringen in einen Bürstenkörper an ihrem Arbeitsende profiliert und/oder an ihrem dem Arbeitsende abgewandten Ende geschnitten und/oder verschmolzen und/oder der Querschnitt verändert wird und/oder wenigstens zwei Borstenbüschel zusammengeführt werden.Method according to one of claims 1 to 5, characterized in that the bristle tufts (4) profiled between the removal from the second mold (7) and the introduction into a brush body at its working end and / or cut at its end remote from the working end and / / or fused and / or the cross section is changed and / or at least two bristle tufts are brought together. Vorrichtung (1) zum Herstellen von Borstenfeldern für Bürsten oder von Borstenbündeln für Pinsel, mit einer mit Lochungen (2) oder Aufnahmeöffnungen versehenen Form (3), in welche jeweils ein Borstenbüschel (4) passt, wobei Zuführmittel oder Zuführleitungen (5) zu der Form (3) vorgesehen sind und zu jeder zu füllenden Lochung (2) oder Aufnahmeöffnung mindestens ein Zuführmittel gehört oder eine Zuführleitung (5) führt, an welche Zuführleitungen (5) Mittel zur Erzeugung eines Gas- oder Luftstromes zu der Form (3) hin anschließbar sind, dadurch gekennzeichnet, dass zusätzlich zu der ersten Form (3) eine zweite Form (7) vorgesehen ist, dass die Lochungen (2) der ersten Form (3) einen größeren Querschnitt als ein zu bildendes Borstenbüschel (4) haben, dass die Lochungen oder Aufnahmeöffnungen (8) der zweiten Form (7) einen geringeren Querschnitt als die der ersten Form (3) haben, dass am Eintritt in alle Lochungen (8) der zweiten Form (7) jeweils eine Einführ- und Verdichtungsschräge (9) angeordnet ist und dass die beiden Formen (3, 7) an ihren einander zugewandten Seiten übereinstimmende oder nahezu übereinstimmende Lochbilder haben.Device (1) for producing bristle fields for brushes or bristle bundles for brushes, having a form (3) provided with perforations (2) or receiving openings, in each of which a bristle tuft (4) fits, wherein Supply means or supply lines (5) are provided to the mold (3) and for each hole to be filled (2) or receiving opening at least one feeding means or a supply line (5) leads, to which feed lines (5) means for generating a gas or Air flow to the mold (3) can be connected, characterized in that in addition to the first mold (3) a second mold (7) is provided, that the perforations (2) of the first mold (3) has a larger cross section than one forming bristle tufts (4) have the perforations or receiving openings (8) of the second mold (7) have a smaller cross section than that of the first mold (3) that at the entrance to all holes (8) of the second mold (7) respectively an insertion and compression slope (9) is arranged and that the two forms (3, 7) on their sides facing each other have matching or nearly matching hole patterns. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Einführschräge (9) an der zweiten Form (7) selbst oder an einer zwischen der ersten Form (3) und der zweiten Form (7) angeordneten Zwischenplatte vorgesehen ist.Apparatus according to claim 7, characterized in that the insertion bevel (9) is provided on the second mold (7) itself or on an intermediate plate arranged between the first mold (3) and the second mold (7). Vorrichtung nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass sich die Lochungen oder Aufnahmeöffnungen (2) der ersten Form (3) und die der zweiten Form (7) zumindest in Gebrauchsstellung fortsetzen und insbesondere miteinander fluchten.Apparatus according to claim 7 or 8, characterized in that continue the perforations or receiving openings (2) of the first mold (3) and the second mold (7) at least in the use position and in particular aligned. Vorrichtung nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass der Querschnitt wenigstens eines Teils der Lochungen oder aller Lochungen oder Aufnahmeöffnungen (2, 8) kreisrund oder von einer runden Form abweichend profiliert ist.Device according to one of claims 7 to 9, characterized in that the cross section of at least part of the perforations or all perforations or receiving openings (2, 8) is profiled circular or deviating from a round shape. Vorrichtung nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass der Querschnitt der Lochungen (2) der ersten Form (3) oder Vorform kreisrund und der Querschnitt der Lochungen oder Aufnahmeöffnungen (8) der sich anschließenden zweiten Form (7) profiliert ist.Device according to one of claims 7 to 10, characterized in that the cross section of the perforations (2) of the first mold (3) or preform circular and the cross section of the perforations or receiving openings (8) of the adjoining second mold (7) is profiled. Vorrichtung nach einem der Ansprüche 7 bis 11, dadurch gekennzeichnet, dass zusätzlich zu der ersten Form (3) und der zweiten Form (7) zur stufenweisen oder weiteren Verdichtung der Borstenbüschel zunächst wenigstens eine weitere Form vorgesehen ist, die Lochungen, deren Querschnitt kleiner als der der Lochungen der zweiten Form ist, aufweist.Device according to one of claims 7 to 11, characterized in that in addition to the first mold (3) and the second mold (7) for gradual or further compression of the bristle tufts initially at least one further shape is provided, the perforations whose cross section is smaller than which is the perforations of the second form has.
EP09014987.3A 2008-12-10 2009-12-03 Method for producing brush fields with moulds Active EP2196108B1 (en)

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JP2013524881A (en) * 2010-04-16 2013-06-20 ツァホランスキー アクチェンゲゼルシャフト Equipment for producing bristle fields used for brushes
CN106102517A (en) * 2014-03-20 2016-11-09 宝洁公司 Including the device for transmitting brush production bristle of the deflector with taper passage
CN107072391A (en) * 2015-10-26 2017-08-18 Gb布舍里股份有限公司 Apparatus and method for manufacturing the area of bristles for brush

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DE102010055686A1 (en) * 2010-12-22 2012-06-28 Zahoransky Ag Device for manufacturing bristle fields for brushes, has two sub-plates formed in receiving plate, where each of multiple downstream holes of individual sub-plate has different surface textures and diameters
DE102013114704A1 (en) 2013-12-20 2015-06-25 Ranir Gmbh Apparatus and method for making bristle panels

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
US20120013169A1 (en) * 2009-03-20 2012-01-19 Zahoransky Ag Method and apparatus for producing bristle areas for brushes
JP2012520698A (en) * 2009-03-20 2012-09-10 ツァホランスキー アクチェンゲゼルシャフト Method and apparatus for manufacturing a bristle field for a brush
EP2408334B1 (en) * 2009-03-20 2013-04-17 Zahoransky AG Method and apparatus for manufacturing bristle fields for brushes
US8814275B2 (en) * 2009-03-20 2014-08-26 Zahoransky Ag Method and apparatus for producing bristle areas for brushes
JP2013524881A (en) * 2010-04-16 2013-06-20 ツァホランスキー アクチェンゲゼルシャフト Equipment for producing bristle fields used for brushes
CN106102517A (en) * 2014-03-20 2016-11-09 宝洁公司 Including the device for transmitting brush production bristle of the deflector with taper passage
CN106102517B (en) * 2014-03-20 2019-02-01 宝洁公司 The device for being used for transmission brush production bristle including the deflector with taper venthole
CN107072391A (en) * 2015-10-26 2017-08-18 Gb布舍里股份有限公司 Apparatus and method for manufacturing the area of bristles for brush
CN107072391B (en) * 2015-10-26 2018-12-28 Gb布舍里股份有限公司 For manufacturing the device and method for being used for the area of bristles of brush

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DE102008061389B4 (en) 2012-06-28
DE102008061389A1 (en) 2010-06-24

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