EP1262121A2 - Procédé et dispositif de fabrication d'une brosse - Google Patents

Procédé et dispositif de fabrication d'une brosse Download PDF

Info

Publication number
EP1262121A2
EP1262121A2 EP02010360A EP02010360A EP1262121A2 EP 1262121 A2 EP1262121 A2 EP 1262121A2 EP 02010360 A EP02010360 A EP 02010360A EP 02010360 A EP02010360 A EP 02010360A EP 1262121 A2 EP1262121 A2 EP 1262121A2
Authority
EP
European Patent Office
Prior art keywords
length
strand
guide channel
piece
cut
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.)
Granted
Application number
EP02010360A
Other languages
German (de)
English (en)
Other versions
EP1262121A3 (fr
EP1262121B1 (fr
Inventor
Erwin Buchholz
Andreas Dr. Lanvers
Richard Ramakers
Thomas Wolters
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.)
M&C Schiffer GmbH
Original Assignee
M&C Schiffer GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by M&C Schiffer GmbH filed Critical M&C Schiffer GmbH
Publication of EP1262121A2 publication Critical patent/EP1262121A2/fr
Publication of EP1262121A3 publication Critical patent/EP1262121A3/fr
Application granted granted Critical
Publication of EP1262121B1 publication Critical patent/EP1262121B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/08—Preparing uniform tufts of bristles

Definitions

  • the present invention relates to a method for manufacturing a brush, in particular Toothbrush in which a strand of a single filament or a bundle of bristles is unwound from a spool and is guided past a cutting device in which a predetermined length of the strand is cut from this, and in which the length piece is connected to a bristle carrier.
  • a brush in particular Toothbrush in which a strand of a single filament or a bundle of bristles is unwound from a spool and is guided past a cutting device in which a predetermined length of the strand is cut from this, and in which the length piece is connected to a bristle carrier.
  • a cutting device in which a predetermined length of the strand is cut from this, and in which the length piece is connected to a bristle carrier.
  • a feed device has a stationary clamping device and a movable one for each strand Clamping device on.
  • the movable clamping device is placed on the stationary clamping device moved.
  • the stationary clamping device is effective, i.e. the strand is being held.
  • the fixed clamp is released and the movable one Clamp switched on.
  • the movable clamping device is fixed by the Clamping device moved away in the conveying direction. It will do both Strand material unwound from the spool as well as the front free end of the strand inserted in the perforated field plate.
  • a similar device that also touches the supplied strands is, for example known from US-PS 3,408,112. From DE-OS-25 52 213 and for example DE-OS-28 49 510 it is known to drive the strands between two To guide and advance thrust rollers. Here there is against the former Solves the problem of slippage between the strand and the drive rollers. The one you want Feed of the strand is not reliably achieved.
  • the strand is behind its front, gripped free end or clamped and moved forward by this clamping, so that special care must be taken when threading the strand to prevent it from buckling To prevent single filament or individual filaments of a filament bundle.
  • On such kinking of the filaments leads to an impairment of the process. In particular at today's high processing speeds, there is a high scrap and sometimes to the standstill of the entire manufacturing process.
  • the present invention is based on the problem of a method for producing it to specify a brush of the type mentioned, which is a higher productivity allows.
  • the present invention addresses the problem of a to specify suitable device for performing the method, which compared to the known devices is simpler.
  • the method according to the invention first the strand of that on the spool wound continuous material separated. Only then is the length section conveyed.
  • no conveyor acts directly on the peripheral surface of the Strand. Rather, the length is made contact-free by an air flow promoted, which flows in the direction of conveyance. With the air flow can be essential higher speeds can be achieved when transporting the length, especially since this is no longer connected to the reel goods during transport. Furthermore the air flow through valves can be very quickly effective.
  • the one from the State of the art known design-related inertia of the conveyor is eliminated.
  • the length pieces introduced into the perforated field plate only together with the perforated field plate moves.
  • the length is conveyed in its critical phase, i.e. before the recording in a holding channel of the perforated field plate exclusively through the air flow.
  • the guide channel and the holding channel can have a not inconsiderable angular offset without that a kink or when inserting the length into the respective holding channel There is a risk of getting caught.
  • the brush prepared in this way can have different inclinations Bristle bundles, sometimes with intersecting bristle bundles.
  • the length piece is axially displaced and through the passage opening the filament bundle in the longitudinal direction before reaching an end position in which the rear Exceeds the passage opening at the end of the length by axial displacement the filaments are contoured against each other.
  • the method according to the invention can thereby be further accelerated and simplified, that an air flow is also circumferential for unwinding the strand from the spool is led past the strand. After that, not only will it feed the Endless material to the cutting device or to forward the cut length, but also to unwind the continuous material from the spool an air flow used.
  • the present invention proposed a device known per se from the prior art for the production of a brush, in particular a toothbrush with at least one wound up A strand of a bristle filament or a bundle of filaments Coil, a first guide device with an unwind guide channel to each Strand, a second guide device arranged downstream of the first guide device, which has a guide channel aligned with the unwinding guide channel, one blade cutting the length of the fed strand and one on the strand pulling conveyor for unwinding the strand from the spool to further develop that a pressure source or sink is provided, which with the Unwinding guide channel and / or the guide channel communicates and which in the Unwinding guide channel or the guide channel in the conveying direction of the strand acting air flow generated.
  • the inventive device for producing a Brush in particular a toothbrush, is thus opposite to those mentioned in the introduction Devices significantly simplified and less prone to failure.
  • the second guide device preferably has an on the outer peripheral surface of the strand acting clamping device, so that by the second guide device guided strand clamped according to any feed path and in the guide device can be determined. This allows lengths to be different Set length in a simple way.
  • a stop surface cooperating with the front end of the strand is provided be subordinate to the second guide device and in one of the Length of a cut length corresponding distance to the blade is arranged.
  • a stop is preferable if all or almost all Lengths of the bristles to be formed on the brush have an identical length to have.
  • a stop can also be provided, which is in relation to the longitudinal axis the lengths are variable. This allows the length of each individual piece of length can be customized.
  • the device according to the invention is preferably particularly simple in that that the abovementioned stop surface on a mold cavity of an injection mold covering perforated field plate is formed.
  • the stop can be used instead of a perforated field plate also be provided on an intermediate plate, which has at least one bore to accommodate the cut length.
  • This intermediate plate has at least one, preferably several bores for receiving the length piece. These holes are designed so that the lengths are easier in these holes let bring in. From the holes, the pieces of length generated to the Pass the perforated field plate.
  • the intermediate plate is preferably sent to a transfer station spent where the perforated field plate is also located the intermediate plate are in a further preferred embodiment of the invention Device in a direction substantially perpendicular to the longitudinal extent of the strand movable.
  • the perforated field plate or the intermediate plate at a distance from the cutting device to be changed.
  • Length pieces of different lengths are generated.
  • a fixed, preferably movable stop is provided for the intermediate plate his. In this development, the length piece is only inserted into the perforated field plate or intermediate plate and stops on the movable stop of the Ended strand cut.
  • the embodiment shown in the drawing is used for cutting and feeding of a strand 4 of a strand 4 stored on a schematically indicated coil 2 Filament bundle. From this coil 2, the strand 4 is into a perforated field plate 6 previous cutting introduced.
  • the device has a first guide device 8, which has an unwind guide channel 10. In this unwind guide channel 10 the endless strand 4 is introduced.
  • a movable blade 12 In the conveying direction behind the first guide device 8, a movable blade 12 is arranged. This is located downstream second guide device 14, which is aligned with the unwinding guide channel 10 Guide channel 16 has. Is movable approximately perpendicular to the guide channel 16 a clamp 18, which becomes a reciprocating piston of a double-acting pneumatic Printing cylinder 20 extended.
  • This pressure cylinder 20 is with the second guide device 14 connected. Adjacent to the front face of the second guide device 14, the perforated field plate 6 is held. This has several holding channels 22 for receiving bundles of bristles and can be in a direction perpendicular to the Longitudinal extension of the second guide device can be moved.
  • the unwinding guide channel 10 does not communicate with one via a pressure line 24 shown pressure source.
  • the pressure source is via a pressure line 26 connected to the guide channel 16.
  • the two pressure lines 24 and 26 open into an annular channel surrounding the channels 10, 16, which the air flow essentially parallel to the longitudinal extent of the channels 10, 16 and in the conveying direction of strand 4 aligns.
  • in the channels 10, 16 generated a directional air flow by overpressure.
  • the strand 4 is initially in the first guide device via this directed air flow 8 promoted towards the perforated field plate 6.
  • the strand 4 occurs with his front free end in the second guide device 14.
  • One also works there Air flow at least circumferentially on the strand and conveys this further in the direction onto the perforated field plate 6.
  • This perforated field plate 6 is initially arranged in such a way that none of the inlet openings arranged adjacent to the second guide device of the holding channels 22 is aligned with the guide channel 16.
  • the front end of the Strands 4 therefore first abuts against a stop surface formed on the perforated field plate 6 28. This sets the desired length of a length.
  • the blade 12 is cut at right angles to the longitudinal direction of the Stranges a length piece 30 held in the second guide means Endless strand 4 from.
  • the perforated field plate 6 is now displaced relative to the second guide device 14 and an inlet opening of the holding channel 22 is aligned with the guide channel 16. The transfer takes place due to the air flow acting in the guide channel of the length piece 30 to the holding channel 22.
  • the pressure source first guide device 8 can be switched to the supplied endless strand 14 to press with all its filaments against the surface of the blade 12.
  • the perforated field plate 6 is again displaced relative to the second guide device 14, around the stop surface 28 or another, adjacent to an inlet opening another holding channel 22 formed stop surface in alignment with the guide channel 16 to arrange.
  • the blade 12 is in its original position shown in Figure 1 reset to the passage from the first guide device 8 to the second Release guide device 14.
  • the endless strand 4 shoots again against the stop surface.
  • the procedure described above is repeated, only with the difference that that now another holding channel is flush with its inlet opening the guide channel is arranged and equipped with another length.
  • the Clamping punch 18 circumferentially the strand inserted into the guide device terminals.
  • the guide channel 16 can also be completely different penetrating slide against which the front end of the endless strand can be provided encounters. In this case, a contact surface is created by one of the sliders educated.
  • the contact surface behind the perforated field plate 6 may be provided.
  • a stop surface is preferably in the longitudinal direction of the supplied endless strand 4 displaceable.
  • the endless strand first pushed through the holding channel 22 of the perforated field plate until the the front face hits the stop. Then the length is cut off 30.
  • the perforated field plate is moved to another holding channel again to be aligned with the fed endless strand 4. Before further feeding of the endless strand is the distance between the stop and the perforated field plate changed to the length of the length piece now to be cut compared to to change the previously created length.
  • an intermediate plate can be provided, which at least one, preferably has several holes for receiving the lengths. These holes are in One filled with lengths.
  • the intermediate plate then becomes a transfer station brought where the holes formed on the intermediate plate to cover can be brought with the respective holding channels of a perforated field plate. The lengths are then pushed out into the holding channels.
  • the holes in the intermediate plate are preferably larger than the bores of the holding channels. hereby the bristle bundles can be moved more easily from the guide device onto the intermediate plate transfer.
  • the endless strand 4 is in the circumferential direction of the coil 2 unwound. With regard to a twisting of the endless strand in its front, pulled area, which facilitates easier handling of the strand, it may be preferable to extend the endless strand 4 tangentially over the head of to unwind the spool 2. The deduction of the endless strand 4 from the spool 2 takes place here essentially in the direction of the central longitudinal axis of the coil 2.

Landscapes

  • Brushes (AREA)
EP02010360A 2001-05-31 2002-05-07 Procédé et dispositif de fabrication d'une brosse Expired - Lifetime EP1262121B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10126631 2001-05-31
DE10126631A DE10126631A1 (de) 2001-05-31 2001-05-31 Verfahren und Vorrichtung zum Herstellen einer Bürste

Publications (3)

Publication Number Publication Date
EP1262121A2 true EP1262121A2 (fr) 2002-12-04
EP1262121A3 EP1262121A3 (fr) 2005-04-20
EP1262121B1 EP1262121B1 (fr) 2007-01-24

Family

ID=7686824

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02010360A Expired - Lifetime EP1262121B1 (fr) 2001-05-31 2002-05-07 Procédé et dispositif de fabrication d'une brosse

Country Status (3)

Country Link
US (1) US6854811B2 (fr)
EP (1) EP1262121B1 (fr)
DE (2) DE10126631A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2876191A1 (fr) * 2013-11-22 2015-05-27 Reifenhäuser GmbH & Co. KG Maschinenfabrik Procédé et dispositif destinés au traitement de faisceaux de fibres

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100364474C (zh) * 2006-04-13 2008-01-30 湖北智丰数控机械有限公司 毛刷生产机整卷毛自动拿毛机构
DE102008061389B4 (de) * 2008-12-10 2012-06-28 Frisetta Kunststoff Gmbh Verfahren zum Herstellen von Borstenfeldern mittels Formen
DE102009013723A1 (de) 2009-03-20 2010-09-23 Zahoransky Ag Verfahren und Vorrichtung zum Herstellen und Bereitstellen von Filamentbündel und Borstenfelder
DE102009015338A1 (de) * 2009-03-27 2010-09-30 Firma G.B. Boucherie N.V. Borsteneinsatz, Pinsel mit einem solchen Borsteneinsatz und Verfahren zur Herstellung eines solchen Borsteneinsatzes
US20120304407A1 (en) * 2011-06-02 2012-12-06 Hoipo Yu Brush Head and Producing Device Thereof
DE102014003963B4 (de) 2014-03-20 2024-02-22 Zahoransky Ag Schneidvorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643158A (en) 1947-06-25 1953-06-23 Columbia Protektosite Co Inc Method of making molded brushes
US3408112A (en) 1965-03-05 1968-10-29 Piotrowski Rafal Process for manufacturing brushes from a bundle of locks of threads and a device for performing this process
DE2552213A1 (de) 1975-11-21 1977-06-02 Zahoransky Anton Fa Vorrichtung fuer die zufuhr von endlosem, nicht abgelaengtem borstenmaterial
DE2849510A1 (de) 1978-11-15 1980-06-04 Zahoransky Anton Fa Buerstenherstellungsmaschine sowie verfahren zum herstellen von buersten

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB895890A (en) * 1960-07-08 1962-05-09 Josef Baer Means for forming bundles of bristles, hair and other fibre material
EP0149996A3 (fr) * 1984-01-10 1987-10-21 Schlesinger GmbH & Co. Maschinenbau KG Procédé et machine pour fabriquer des brosses
US4795218A (en) * 1986-09-29 1989-01-03 David Seidler Method of forming brush with integral holder
DE3643202C1 (de) * 1986-12-18 1988-03-24 Schlerf Coronet Werke Verfahren zur Herstellung von Borstenwaren
US4884849A (en) * 1988-12-12 1989-12-05 Better Health Concepts Co Inc. Apparatus for manufacture of end brush
EP0405204B1 (fr) * 1989-06-24 1994-09-07 Frisetta GmbH Dispositif et procédé pour façonner une répartition de soies ou une touffe de soies
DE4317453A1 (de) * 1993-05-26 1994-12-01 Schiffer Fa M & C Verfahren zum Konfigurieren von Borstenbündeln
BE1012603A3 (nl) * 1999-03-10 2001-01-09 Boucherie Nv G B Werkwijze en inrichting voor het vormen van vezelpaketten voor borstelvervaardiging uit een vezelstreng.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643158A (en) 1947-06-25 1953-06-23 Columbia Protektosite Co Inc Method of making molded brushes
US3408112A (en) 1965-03-05 1968-10-29 Piotrowski Rafal Process for manufacturing brushes from a bundle of locks of threads and a device for performing this process
DE2552213A1 (de) 1975-11-21 1977-06-02 Zahoransky Anton Fa Vorrichtung fuer die zufuhr von endlosem, nicht abgelaengtem borstenmaterial
DE2849510A1 (de) 1978-11-15 1980-06-04 Zahoransky Anton Fa Buerstenherstellungsmaschine sowie verfahren zum herstellen von buersten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2876191A1 (fr) * 2013-11-22 2015-05-27 Reifenhäuser GmbH & Co. KG Maschinenfabrik Procédé et dispositif destinés au traitement de faisceaux de fibres

Also Published As

Publication number Publication date
US6854811B2 (en) 2005-02-15
DE50209325D1 (de) 2007-03-15
EP1262121A3 (fr) 2005-04-20
US20020180253A1 (en) 2002-12-05
EP1262121B1 (fr) 2007-01-24
DE10126631A1 (de) 2002-12-05

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