EP2196107B1 - Procédé de fabrication de panneaux de soies ou de faisceaux de soies - Google Patents

Procédé de fabrication de panneaux de soies ou de faisceaux de soies Download PDF

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Publication number
EP2196107B1
EP2196107B1 EP20090014087 EP09014087A EP2196107B1 EP 2196107 B1 EP2196107 B1 EP 2196107B1 EP 20090014087 EP20090014087 EP 20090014087 EP 09014087 A EP09014087 A EP 09014087A EP 2196107 B1 EP2196107 B1 EP 2196107B1
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EP
European Patent Office
Prior art keywords
bristles
clusters
bristle
supply lines
negative pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20090014087
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German (de)
English (en)
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EP2196107A1 (fr
Inventor
Georg Steck
Hannes Hauser
Udo Brender
Christoph Schubnell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ranir GmbH
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Ranir GmbH
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Publication date
Application filed by Ranir GmbH filed Critical Ranir GmbH
Publication of EP2196107A1 publication Critical patent/EP2196107A1/fr
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Publication of EP2196107B1 publication Critical patent/EP2196107B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/08—Parts of brush-making machines
    • A46D3/082—Magazines for bristles; Feeding bristles to magazines; Knot picking
    • 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

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 of molds, wherein initially the bristle tufts are formed from single bristles by a bristle supply is separated into bristle tufts, after which the bristles of the form in tufts with Help of a gas or air stream via individual, each receiving a bristle tufts supply lines and introduced into the perforations of the mold or a preform, wherein the gas or air flow is generated by means of negative pressure, the bristle tufts during their promotion at least temporarily additionally be acted upon in the conveying direction pressurized gas or compressed air.
  • the invention provides for the bristle tufts to be exposed exclusively to a negative pressure prevailing in the supply lines at the beginning of the delivery and when they enter the supply lines, and for an overpressure to be generated or applied to the supply lines at their entry region after the Bristle tufts have passed a section or an entry point for the overpressure, wherein an overpressure is applied, which is opposite to the atmospheric normal pressure has a greater difference than the negative pressure.
  • the bristle tufts are thus first drawn into the supply line by means of negative pressure, without being able to be deflected by an additional overpressure with regard to their introduction movement.
  • the certainty that the individual bristles can enter into the respective supply lines as bristle tufts is improved by this measure.
  • the bristle tufts can then be additionally exposed to the positive pressure after a targeted transport into the supply lines and accelerated in terms of their further conveying movement, which is reinforced by the greater pressure difference of the overpressure relative to the atmospheric pressure relative to the negative pressure.
  • a further embodiment of the method according to the invention can provide that after filling the bristle tufts into the mold or a preform, the mouths of the supply lines are moved away from the mold or preform and the vacuum is switched off, in particular, and the overpressure is maintained completely or reduced for a remaining time obtained and the supply lines are blown.
  • the supply lines are at least from time to time freed and cleaned by the compressed gas or compressed air flow of abrasion or of possibly remaining therein individual bristles.
  • bristles can be moved through the correspondingly clean and smooth supply lines during a next working cycle.
  • the overpressure used to assist the promotion of the bristle tufts may be changed during conveyance and the bristle tufts may be moved through the supply lines with an intermittent and / or pulsating flow of gas or air.
  • the flow rate and thus the transport speed of the bristle tufts can be changed during transport through the supply lines to avoid or possibly solve any jams or jamming in the supply lines.
  • an overpressure is used during the delivery, which is about twice as high to ten times as high as the negative pressure.
  • the promotion of bristle tufts is supported accordingly well and accelerated compared to a promotion only with the help of negative pressure.
  • the bristle tufts are moved by means of a gas mixture, for example a mixture of air and another gas through the supply lines. It can therefore be used to support the promotion of a gas or gas mixture, which has better flow characteristics than air and, for example, at the same pressure difference has a higher flow velocity.
  • a gas mixture for example a mixture of air and another gas through the supply lines. It can therefore be used to support the promotion of a gas or gas mixture, which has better flow characteristics than air and, for example, at the same pressure difference has a higher flow velocity.
  • the above-described method can be carried out with a device in which a pressure source for supplying compressed gas or compressed air to the supply lines and provided between the pressure source and the supply lines blocking means which are open or obvious during the conveying operation, and that the control of Pressure source, the shut-off means controls such that compressed gas or compressed air enters the supply lines only when bristle tufts passed the supply point for the compressed gas or compressed air or have covered a partial distance.
  • the bristle tufts are sucked in relatively slowly by means of negative pressure in the supply lines or delivery lines and then subjected to higher pressure in order to increase their conveying speed, wherein the device targeted supply of compressed gas and compressed air permissible to the effect that the corresponding shut-off means are opened at a desired time and by means of a Control are controlled.
  • the device for carrying out the method can be configured in that a holder or insertion plate is provided for the feeders of the supply lines and that this holder has leading to the feed ends of the feed line leading channels for the overpressure, which interact with shut-off valves and / or valves together.
  • these channels leading to the feed lines for the overpressure can be arranged laterally from the entry points for the bristle tufts, so that with closed shut-off valves and / or valves, the bristle tufts can first be sucked past these mouths of the channels before they are opened by opening the shut-off elements Valves take effect.
  • the ends of bristles 2 made of plastic, in particular, of individual bristle tufts 3 can be connected to one another and / or with those of a neighboring tuft, in particular fused.
  • the device 1 has a perforation 4 for each tuft 3 provided form 5, wherein supply lines 6 to the form 5 - or a preform - are provided and leads to each hole to be filled 4 such a supply line 6.
  • the arrangement according to EP 0 405 204 B1 corresponding means for generating a gas or air flow to the mold 5 be connectable, wherein the mouths 7 of the supply lines 6 and the mold 5 according to the double arrow Pf 1 in all figures are movable relative to each other.
  • the mold 5 has in a manner not shown a connection for applying the negative pressure to the individual perforations 4, which is indicated by the arrows Pf 5.
  • the mold 5 remains in their position and the mouths 7 can be moved with their holder 7 a.
  • a pressure source is provided which is connected to the supply lines 6 or connectable.
  • FIGS. 1 to 4 belongs to the device 1 and at least one bristle magazine 9, but also analogous to that in the EP 0 405 204 B1 described embodiment, two such bristle magazines 9 may be provided with facing each other withdrawal points.
  • a removal slide 10 which limits the bristle supply in the bristle magazine 9 in each case and is movable transversely to a removal point.
  • This removal slide 10 may be arranged at a distance from each other, the bristle supply in the bristle magazine 9 respectively facing and open to this edge open, not shown in the drawing recesses or recesses for forming the bristle tufts 3 have. The distance between these recesses is to be recognized in the figures by the distance already removed and the device 1 supplied bristle tufts 3.
  • FIG. 1 a displacement position of the removal slide 10 is shown, in which this removal slide 10 with the recesses or recesses and bristles tufts 3 received therein below the insertion openings 11 of the supply lines 6 is shifted, so that the formed bristle tufts 3 are arranged shortly before entering the supply lines 6 and the insertion openings 11.
  • this removal slide 10 with the recesses or recesses and bristles tufts 3 received therein below the insertion openings 11 of the supply lines 6 is shifted, so that the formed bristle tufts 3 are arranged shortly before entering the supply lines 6 and the insertion openings 11.
  • FIG. 3 and 4 also with the help of the removal slide 10 for a separation and formation of bristle tufts 3 and their transport to the inlet region 8 of the supply lines 6 provided to the bristle tufts 3 then as shown in FIG. 2 . 3 and 4 with the help of negative pressure in the inlet regions 8 of the supply lines 6 move.
  • the double arrow Pf 2 indicates that the inlet region 8 of the supply lines 6 can also be movable relative to the bristle tufts 3 in order to facilitate a first introduction of at least one portion of these tufts 3 into the supply lines 6.
  • shut-off means are provided, which are open during the delivery process, ie during the supply of compressed gas or compressed air and thus openable, wherein a control of the pressure source controls this shut-off such that compressed gas or compressed air enters the supply lines 6, when the bristle tufts.
  • a feed point 12 for the compressed gas or the compressed air or a certain partial distance in the inlet region 8 of the supply lines 6 have happened.
  • a holder or insertion plate 15 is provided for the inlet end 8 located in the inlet ends 16 of the supply lines 6 and this holder 15 includes the leading to the introduction ends 16 of these supply lines 6 channels for the overpressure, which interact with shut-off valves or valves together.
  • a slider 17 is provided, which is displaceable relative to the holder 15 transversely or at right angles to the course of the insertion ends 16 of the supply lines 6 according to the double arrow Pf 4, as the comparison of FIGS. 1 and 2 clarified.
  • FIG. 1 are passage openings 18 on this slide in accordance with the insertion ends 16 of the supply lines 6, so that the bristle tufts 3 by means of negative pressure, which can be applied to the opposite of the supply lines 6, can be sucked until they are in FIG. 2 have reached the position shown.
  • the slider 17 by a sliding movement in the in FIG. 2 shown closing position are brought, in which the passage openings 18 are moved from the machined into the holder 15 region of the supply lines 6 and the slider 17 now closes the passage through the insertion ends 16.
  • FIG. 3 shows an embodiment in which 16 schematically indicated pipe valves 19 are provided on the holder or insertion plate 15 respectively in the region of the incorporated therein insertion ends, which also initially prevents a passage to the feed lines 6 and can be opened after the insertion of the bristle tufts 3.
  • figure 3 shows this open position in which the promotion of the bristle tufts 3 is supported in addition to acting on them negative pressure with an overpressure.
  • the bristle tufts 3 are filled in holes 4 of 5 forms or preforms.
  • the bristle tufts 3 are initially formed from single bristles 2 by a bristle supply located in a bristle magazine 9 is separated into such bristle tufts 3. Thereafter, these bristles of the mold 5 or a preform tufts are supplied via individual supply lines 6 by means of a gas or air flow. The gas or air flow is initially generated by negative pressure.
  • the bristle tufts 3 are at least temporarily, in particular after their sucking in the insertion ends 16 of the supply lines 6 at least temporarily additionally acted upon by a compressed gas or compressed air acting in the conveying direction, so exposed to an overpressure of the pumped medium to increase the conveying speed and thereby shortening the time for the production of bristle fields.
  • the bristle tufts 3 are doing at the beginning of the promotion, that is, for example, until it is sucked into the delivery lines 6 according to FIG. 2 from her in FIG. 1 shown position exclusively exposed to the pressure prevailing in the supply lines 6 negative pressure, that is, the pressure source is still shut off from the supply lines 6.
  • the overpressure can be applied to these supply lines 6 at the inlet region 8, so that This overpressure in the conveying direction is also effective and can act on the bristle tufts 3 located in the supply lines 6 at their ends opposite the conveying direction.
  • the orifices 7 of the supply pipes 6 are moved away from the mold 5 or lifted off according to the double arrow Pf 1 and the negative pressure is switched off.
  • the overpressure can be maintained for a residual time completely or reduced to blow through the supply lines 6 for their purification.
  • the overpressure used to aid the conveyance of the bristle tufts 3 during their conveyance is changed by the supply lines 6 during the movement of the bristle bushes 3 and the bristle tufts 3 with an intermittent and / or pulsating gas or air flow through the supply lines 6 can be moved.
  • bristle fields for brushes or bristle bundles for brush bristle tufts 3 are filled into holes 4 of 5 forms, first the bristle tufts 3 are formed from single bristles 2 by a befindaji in a bristle magazine 9 bristle supply using a removal slide 10 to the bristle tufts. 3 is isolated. Thereafter, the bristles of the mold 5 are supplied in tufts by means of a gas or air stream via individual, each a bristle tufts 3 receiving supply lines 6 and introduced into the perforations 4 of the mold 5. The gas or air flow is generated above all at the beginning of the promotion of the bristle tufts 4 by means of negative pressure. In addition, the bristle tufts 3 during their promotion at least temporarily additionally acting with a conveying direction Compressed gas or pressurized air, especially after they have passed a first short section or an entry point 12 for the overpressure.

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

Claims (5)

  1. Procédé de fabrication de champs de soies pour des brosses ou de faisceaux de soies pour des pinceaux, des touffes de soies (3) étant enfoncées dans des perçages (4) de moules (5), les touffes de soies (3) étant d'abord formées de soies individuelles (2) en séparant un stock de soies en touffes de soies individuelles (3), les soies étant ensuite acheminées au moule (5) et introduites dans les perçages (4) du moule (5) ou d'une préforme par touffes à l'aide d'un flux de gaz ou d'air par le biais de conduites d'alimentation (6) individuelles recevant à chaque fois une touffe de soies (3), le flux de gaz ou d'air étant produit à l'aide d'une dépression, les touffes de soies (3) étant sollicitées pendant leur transport au moins temporairement en outre avec un gaz sous pression ou avec de l'air sous pression agissant dans la direction de transport, caractérisé en ce que les touffes de soies (3), au début du transport et lors de leur entrée dans les conduites d'alimentation, sont soumises exclusivement à une dépression régnant dans les conduites d'alimentation (6) et en ce qu'une surpression est produite ou appliquée sur les conduites d'alimentation (6) au niveau de leur région d'entrée (8), après que les touffes de soies (3) ont dépassé une section partielle ou un point d'entrée (12) pour la surpression, une surpression étant appliquée, laquelle présente une plus grande différence par rapport à la pression atmosphérique normale que la dépression.
  2. Procédé selon la revendication 1, caractérisé en ce qu'après l'enfoncement des touffes de soies (3) dans le moule (5), les embouchures des conduits d'alimentation (6) sont déplacées ou soulevées à l'écart du moule (5) ou de la préforme et la dépression est notamment coupée et en ce que la surpression est maintenue entièrement ou de manière réduite pendant un temps résiduel et les conduites d'alimentation (6) sont soumises au soufflage.
  3. Procédé selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que la surpression servant à faciliter le transport des touffes de soies (3) pendant le transport est modifiée et les touffes de soies (3) sont déplacées avec un flux de gaz ou d'air intermittent et/ou pulsé à travers les conduites d'alimentation (6).
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que pendant le transport, une surpression est utilisée, laquelle est approximativement deux fois plus élevée à dix fois plus élevée que la dépression.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les touffes de soies sont déplacées à l'aide d'un mélange de gaz, par exemple d'un mélange d'air et d'un autre gaz, à travers les conduites d'alimentation.
EP20090014087 2008-12-10 2009-11-11 Procédé de fabrication de panneaux de soies ou de faisceaux de soies Active EP2196107B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810061384 DE102008061384A1 (de) 2008-12-10 2008-12-10 Verfahren und Vorrichtung zum Herstellen von Bohrstenfeldern oder von Borstenbündeln

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EP2196107A1 EP2196107A1 (fr) 2010-06-16
EP2196107B1 true EP2196107B1 (fr) 2015-02-25

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EP20090014087 Active EP2196107B1 (fr) 2008-12-10 2009-11-11 Procédé de fabrication de panneaux de soies ou de faisceaux de soies

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DE (1) DE102008061384A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3459389A1 (fr) 2017-09-21 2019-03-27 Braun GmbH Procédé et appareil de production de zones de soies pour brosses

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010055686A1 (de) * 2010-12-22 2012-06-28 Zahoransky Ag Vorrichtung zum Herstellen von Borstenfeldern für Bürsten
DE102013114704A1 (de) 2013-12-20 2015-06-25 Ranir Gmbh Vorrichtung und Verfahren zum Herstellen von Borstenfeldern
BE1023055B1 (de) * 2015-10-26 2016-11-16 Bart Gerard Boucherie Vorrichtung und Verfahren zum Erzeugen von Borstenfeldern für Bürsten

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8207009U1 (de) * 1982-03-12 1982-09-02 Blankschein, Werner, 8000 München Vorrichtung zum zusammenbau von pinselbuendeln und pinselzwingen
EP0405204B1 (fr) 1989-06-24 1994-09-07 Frisetta GmbH Dispositif et procédé pour façonner une répartition de soies ou une touffe de soies
DE3920769A1 (de) * 1989-06-24 1991-01-10 Fritz Rueb Verfahren und vorrichtung zum herstellen von borstenfeldern oder borstenbuendeln

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3459389A1 (fr) 2017-09-21 2019-03-27 Braun GmbH Procédé et appareil de production de zones de soies pour brosses
WO2019058254A1 (fr) 2017-09-21 2019-03-28 Braun Gmbh Procédé et appareil servant à produire des zones de poils pour des brosses
CN111107765A (zh) * 2017-09-21 2020-05-05 博朗有限公司 用于生产用于刷子的刷毛区的方法和设备
CN111107765B (zh) * 2017-09-21 2021-10-15 博朗有限公司 用于生产用于刷子的刷毛区的方法和设备

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Publication number Publication date
EP2196107A1 (fr) 2010-06-16
DE102008061384A1 (de) 2010-06-24

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