EP3876790B1 - Séparateur de touffes d'un outil d'insertion de poils - Google Patents

Séparateur de touffes d'un outil d'insertion de poils Download PDF

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Publication number
EP3876790B1
EP3876790B1 EP19801821.0A EP19801821A EP3876790B1 EP 3876790 B1 EP3876790 B1 EP 3876790B1 EP 19801821 A EP19801821 A EP 19801821A EP 3876790 B1 EP3876790 B1 EP 3876790B1
Authority
EP
European Patent Office
Prior art keywords
bundle
remover
individualizer
wiper
extension
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
EP19801821.0A
Other languages
German (de)
English (en)
Other versions
EP3876790A1 (fr
Inventor
Bart Gerard Boucherie
Henk Vandenbussche
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.)
GB Boucherie NV
Original Assignee
GB Boucherie NV
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 GB Boucherie NV filed Critical GB Boucherie NV
Publication of EP3876790A1 publication Critical patent/EP3876790A1/fr
Application granted granted Critical
Publication of EP3876790B1 publication Critical patent/EP3876790B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/08—Preparing uniform tufts of bristles
    • 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
    • A46D3/042—Machines for inserting or fixing bristles in bodies for fixing bristles using an anchor or staple
    • 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

Definitions

  • the invention relates to a bundle separator of a brush tamping tool, with a bundle collector which can be pivoted back and forth about an axis between a transfer position on a tamping tool and a pivoted-back position, and in doing so travels along a bristle magazine with an outer side and a recess on the outer side and receives a bundle in the recess, wherein the outer side has a front section extending from the recess towards the front end and a rear section extending from the recess towards the rear end, and wherein in the direction of movement towards the transfer position of the magazine to the bristle magazine there is a stripper with a counter surface that is concave and complementary to the outer side of the bundle collector, wherein the front section is in the shape of a circular segment.
  • Such brush tamping tools have sickle-shaped bundle collectors that can be pivoted along a usually vertical axis and, due to the pre-tension in the bristle magazine, separate bundles pressed into their recess when the recess is closed by the stripper. You can imagine these strippers as a knife that separates the bundle in the recess from the rest of the magazine.
  • a device is known with a pivotable bundle remover, which has a recess that serves to remove bristles in bundles from a bristle supply.
  • a pivoting lever is also provided, with the help of which the amount of bristles that are removed as a bundle by the bundle remover can be adjusted. To do this, the pivoting lever is moved more or less strongly over the recess, so that the cross-section is changed.
  • a bundle removal device is known with a pivotable bundle remover in which a recess is provided which serves to remove a bundle of bristles.
  • the brush manufacturing machine also comprises a counterpart which is fixed relative to the movable bundle remover, the counterpart having a dividing edge facing the bundle remover which can be rounded transversely to its longitudinal extension.
  • the EN 10 2008 018 883 A1 shows a brush manufacturing machine with a bundle holder which has a recess for bristle bundles, wherein a loading point is provided for transferring a bristle bundle from a bundle separator to the bundle holder.
  • the object of the invention is to improve a bundle separator according to the prior art so that it has a high functional reliability and is characterized by lower wear.
  • the present invention takes a diametrically different approach to the prior art, since the end on the magazine side, with which the bristles in the recess are separated from the bristles in the bristle magazine, is not tapered but blunt. This would normally mean that bundles would always remain in the resulting gap between the end and the circular segment-shaped outer side. Bristles would then increasingly press into this gap if the bundle remover was moved back and forth several times. In the invention, however, these bristles located in the aforementioned gap are pressed out and into the magazine by a remover extension while the bundle remover is still moving forward. The remover extension achieves this because it protrudes further outwards than the front section, the outer side of which forms a circular segment.
  • the bundle collector there is optionally a short intermediate section on the bundle collector, in which the outside is shaped like a circular segment, with the same radius as the front section. This ensures that the recess has already been moved a little way along the complementary counter surface before the bristles can be pushed back from the aforementioned gusset.
  • the collector extension preferably runs offset from the stripper in the axial direction, which is defined by the pivot axis. This means that the collector extension does not collide with the counter surface, but can also move along the counter surface, i.e. along the top and/or bottom of the stripper. When the bundle collector pivots, the collector extension thus reaches over or under the stripper.
  • the collector extension can be present on just one side of the stripper, or two collector extensions can be provided so that the bundle collector has a U-shaped cross-section in the area of the collector extensions. The stripper is then accommodated between the legs of the "U" when the bundle collector is pivoted far enough.
  • the collector extension should extend radially outwards so far that when it reaches the blunt end on the magazine side when swivelled, it completely covers the end when viewed from above. This ensures that the previously mentioned gusset is no longer present and is closed by the collector extension(s). All material in the gusset, i.e. all bristles in it, are thereby pushed back into the magazine.
  • the collector extension can be a separate part which is attached to a plate-shaped base body of the bundle collector.
  • the front section is formed on this base body, preferably also the recess.
  • the collector extension is then applied to the top or bottom of the base body.
  • the collector extension or extensions can be an integral part of the base body.
  • pickup extensions there are two pickup extensions, one can be located and attached as a separate part on the top of the base body and a separate part, which forms the other pickup extension, can be located on the bottom of the base body.
  • the two pickup extensions should have the same outer contour when viewed from above, at least in the area in which they travel along the magazine.
  • the bundle separator according to the invention not only shows its advantages with a single magazine, but also with several magazines arranged next to each other. In this case in particular, it is particularly important that no bristles remain in the aforementioned gussets. Because if, for example, something is first removed from a magazine and then this magazine is moved away and another one is moved in, it could be that bristles with a different property remain in the gusset, which could then get into the recess and cause waste.
  • several magazines are arranged next to each other, which can be moved laterally relative to the stripper so that the bundle collector can remove bristles from several magazines.
  • the scraper preferably at least partially closes the removal opening of at least one magazine.
  • the previously mentioned blunt end protrudes in front of the open side of at least one magazine in order to partially close it. If several magazines are present, the scraper can also close a magazine that is not in use and that is adjacent to the bristle magazine that is currently open for removal.
  • the scraper is particularly plate-shaped.
  • a further embodiment of the invention provides that the stripper becomes increasingly narrower towards the magazine-side end of the stripper and is defined on the one hand by the complementary counter surface and on the other hand by an oppositely directed boundary surface that faces away from the bundle collector and preferably faces an adjacent magazine. This means that the stripper becomes increasingly narrower towards its magazine-side end, but the end is then blunt.
  • the end face defining this end on the scraper extends at 80° - 100° to a tangent to the counter face at the transition of the counter face to the end face.
  • this front surface is particularly flat. However, this is not to be understood as limiting; there can of course also be a slight radius.
  • a brush stuffing tool which pushes bundles of bristles 18 into a bristle carrier 14 by means of a reversibly movable tip 10 and a stuffing tongue 12.
  • the bundles are taken from one or more bristle magazines 16 and separated, with the standing bristles 18 being pre-tensioned in a direction A towards a bundle collector 20 of a bundle separator 22.
  • the bundle collector 20 can be reversibly pivoted about a preferably vertical axis X in order to feed individual bundles to the stuffing tool by a pivoting movement in the direction of arrow Y.
  • the bundle separator 22 is shown in more detail according to the state of the art.
  • the bundle collector 20 also comprises a stripper 24.
  • the bundle separator has an outer side 26 facing the bristle magazine 16 and the bristles 18, which represents a circular segment around the axis X.
  • the bundle collector 20 On the outer side 26, the bundle collector 20 has a recess 28, which when the recess is open directly to bristles 18 in the bristle magazine 16, it receives a bundle of bristles 18.
  • the bundle collector 20 moves with the bundle it has picked up along the remaining bristles 18 in the bristle magazine 16 until it reaches the stripper 24.
  • This stripper 24 has a so-called magazine-side end 30, which forms a transition from a concave counter surface 32 to an oppositely directed boundary surface 34.
  • the counter surface 32 can protrude up to the open side of the magazine 16 and there also prevent the movement of the bristles 18 pressed towards the bundle collector 20.
  • the end 30 is essentially blunt and runs parallel to the so-called boundaries 36 of the bristle magazine 16.
  • a gusset 38 marked with an arrow which is defined by an extension of the boundary surface 34, the outer side 26 and an end face 40 of the stripper 24 at the end 30, shown with broken lines.
  • Bristles are pressed into this gusset 38 by the pivoting movement of the bundle collector 20 on the one hand and by the pre-tension of the bristles 18 on the other hand in the bristle magazine 16 and are very strongly compressed there. For this reason, in the prior art, this gusset 38 is also closed by a pointed end 30 of the stripper 24.
  • FIG. 3 to 8 a bundle separator according to the invention is shown, in which only the differences to the bundle separator according to Figure 2 so that the previously used reference symbols are used, which continue to designate the same or functionally equivalent parts, sections, surfaces, etc.
  • the magazine 16 is not shown, which, however, also projects downwards from the boundary surface 34, based on the drawings, and borders on it.
  • the special features of the bundle separator are created, among other things, by the fact that the stripper 24 has a blunt end 30.
  • the gusset 38 is not closed, cf. Figure 2 Rather, the end 30 is defined by an end face 40, which is preferably flat and at an angle ⁇ of 80° to 100° to a tangent to the circular segment-shaped concave counter surface 32. The tangent is applied at the transition of the counter surface 32 to the front surface 40.
  • the angle ⁇ is measured on the side which is at least partially covered by the scraper 24 in plan view.
  • the scraper 24 becomes increasingly narrower towards the end 30, whereby this tapered region 42 is defined by the counter surface 32 and the boundary surface 34.
  • a second stripper 44 may be present.
  • bundle collector 20 This is divided into two sections with respect to its outer side 26, namely a front circular segment-shaped section 48, which has the radius up to the pivot axis X and runs from the recess 28 to the front end 50. In addition, there is also a so-called rear section 52, which runs from the recess 28 to the rear end 54.
  • the rear section 52 has a so-called pickup extension 56 at a certain distance from the recess 28, i.e. a section in which the outer side 26 projects radially outward beyond the radius of the front section 48. This results in a kind of minimal hump compared to the variant according to Figure 2 behind the recess 28.
  • an intermediate section 58 can optionally be present between the recess 28 and the pickup extension 56 on the outer side 26, wherein in this intermediate section 58 the outer side 26 still has the radius that the front section 48 also has.
  • the pickup extension 56 runs in a continuous curvature and also continuously curved into the intermediate section 58, i.e. the entire outer side 26 has only a continuous curvature, except at the recess 28.
  • the outer side 26 can also protrude further outwards to the rear end 54 than the front section 48. This means that the pickup extension 56 can extend very far to the rear, even to the End 54. In any case, the collector extension 56 should extend along the circumference of the bundle collector 20 to the end 54 so that when the bundle collector 20 is pivoted completely forwards, the collector extension 56 still covers the end 30.
  • collector extension 56 extends radially outwards to such an extent that it completely covers the end 30 and thus the front surface 40 when viewed from above when the bundle collector 20 is pivoted forwards a little way so that the recess is already closed by the counter surface 32.
  • the bundle collector 20 has a base body 60 which is, for example, plate-shaped and whose thickness corresponds to the thickness of the stripper 24.
  • the bundle collector 20 thus has a U-shaped cross section in the rear section 52, with a horizontal "U”.
  • the base body 60 can have the same radius in the rear section 52 as in the front section 48.
  • the pickup extension 56 is then formed only by corresponding sections of the part 62, here the parts 62.
  • a further option is that the bundle collector 20 is designed in one piece, i.e. the base body 60 merges into the part(s) 62 in one piece.
  • bristles 18 press against the outer side 26 of the bundle collector 20, which closes the front end of the magazine 16. Bristles press into the recess 28 and fill it.
  • the bundle collector 20 is pivoted forwards about the axis X. As soon as the end 30 is reached, the recess 28 is closed and the separated bundle is transported further along the counter surface 32 until it reaches a corresponding receptacle in the tip 10.
  • the distance of the outer side 26 in the rear section 52 increases steadily when it reaches the pickup extension 56 until the front surface 40 is completely covered in plan view. After that, the radius of the pickup extension 56 does not need to be increased any further and can remain constant, for example, until the end 54.
  • the bundle collector 20 is designed as in the embodiment according to the Figures 3 to 8 , that is, there is still one or more pickup extensions 56 present.
  • multiple magazines are used, that is, in the least case, a first magazine 16 and a second magazine 116, which are immediately adjacent to each other and contain different bristles 18, 118.
  • the two magazines 16, 116 are pivoted about an axis C, which can run parallel to the axis X.
  • the axis C is shown closer to the bundle collector 20 than it actually is. It would otherwise not be visible in the figure.
  • boundary surface 34 and the corresponding boundary surface 134 of the second scraper 44 are concave and have a radius in plan view that extends up to axis C.
  • a motor drive pivots the two magazines 16, 116 in a clockwise direction until the bristles 118 are in the appropriate position and can be pressed into the recess 28 when the bundle collector is moved along.
  • the pivoting of the magazines 16, 116 takes place at a time when the pickup extension(s) 56 cover the end 30 and the gusset, so that no more bristles 18 are in the gusset. This ensures that after the last bristles 18 have been transported in the recess 28, only bristles 118 are separated from the magazine 116 during the next stroke.
  • the magazine 16 After pivoting the magazines 16, 116 clockwise, the magazine 16 is closed by the limiting surface 134.
  • linearly movable magazines 16, 116 can of course be used.
  • the boundary surfaces 34, 134 can then run linearly in plan view.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (14)

  1. Séparateur de paquets d'un outil de bourrage de brosses, comprenant un moyen de prise de paquets (20) qui est apte à pivoter en va-et-vient autour d'un axe (X) entre une position de transfert à un outil de bourrage et une position de pivotement en retour, et qui, par une face extérieure (26) et un évidement (28) présent dans la face extérieure (26), se déplace le long d'un magasin de poils (16 ; 116) et reçoit un paquet dans l'évidement (28), la face extérieure (26) présentant un tronçon avant (48) partant de l'évidement (28) et s'étendant en direction d'une extrémité avant (50) et un tronçon arrière (52) partant de l'évidement (28) et s'étendant en direction de l'extrémité arrière (54), et un racleur (24) présentant une surface antagoniste concave (32) complémentaire de la face extérieure (26) du moyen de prise de paquets (20) étant présent sur le magasin de poils (16 ; 116) dans le sens de déplacement vers la position de transfert, le tronçon avant (48) étant en forme de segment de cercle, caractérisé en ce que le racleur (24) est émoussé vers une extrémité (30) côté magasin du racleur (24), laquelle est adjacente à la face extérieure (26), et le moyen de prise de paquets (20) présentant sur le tronçon arrière (52) un prolongement de moyen de prise (56) qui fait saillie radialement au-delà du rayon du tronçon avant (48) et au moyen duquel les poils se trouvant à l'extrémité (30) du racleur (24) sont repoussés dans leur magasin de poils associé (16 ; 116).
  2. Séparateur de paquets selon la revendication 1, caractérisé en ce que le prolongement (56) du moyen de prise s'étend, dans une vue de dessus, selon une courbure continue.
  3. Séparateur de paquets selon l'une des revendications précédentes, caractérisé en ce qu'entre l'évidement (28) et le début du prolongement (56) du moyen de prise, un tronçon intermédiaire (58) est présent sur le moyen de prise de paquets (20), dans lequel la face extérieure (26) est en forme de segment de cercle avec le même rayon que dans le tronçon avant (48).
  4. Séparateur de paquets selon l'une des revendications précédentes, caractérisé en ce que le prolongement (56) du moyen de prise est décalé par rapport au racleur (24) dans le sens axial défini par l'axe de pivotement (X) au moins dans la zone dans laquelle le prolongement (56) du moyen de prise se déplace le long de celui-ci lors du pivotement.
  5. Séparateur de paquets selon la revendication 4, caractérisé en ce que le prolongement (56) du moyen de prise, dans une vue latérale, se trouve au-dessus et/ou au-dessous du racleur (24) dans la zone dans laquelle le prolongement (56) du moyen de prise se déplace le long de celui-ci lors du pivotement, et chevauche ou passe sous cette zone.
  6. Séparateur de paquets selon la revendication 5, caractérisé en ce qu'il est prévu deux prolongements (56) de moyen de prise axialement espacés et en ce que le moyen de prise de paquets (20) présente une section transversale en forme de U sur le bord dans la zone des prolongements (56) du moyen de prise.
  7. Séparateur de paquets selon l'une des revendications 4 à 6, caractérisé en ce que le prolongement (56) du moyen de prise fait saillie radialement vers l'extérieur jusqu'à ce que, dans une vue de dessus, lorsqu'il arrive à l'extrémité (30) côté magasin lors du pivotement, il recouvre entièrement l'extrémité (30).
  8. Séparateur de paquets selon l'une des revendications précédentes, caractérisé en ce que le prolongement (56) du moyen de prise est une pièce séparée (62) qui est montée sur un corps de base (60) en forme de plaque du moyen de prise de paquets (20), le tronçon avant (48), de préférence également l'évidement (28), étant formé sur le corps de base (60).
  9. Séparateur de paquets selon la revendication 8, caractérisé en ce qu'une pièce séparée (62) se trouve sur la face supérieure du corps de base (60) et une pièce séparée (62) sur la face inférieure du corps de base (60), lesquelles forment des prolongements (56) du moyen de prise et qui, dans une vue de dessus, présentent de préférence le même contour extérieur.
  10. Séparateur de paquets selon l'une des revendications précédentes, caractérisé en ce que plusieurs magasins de poils (16, 116) sont agencés les uns à côté des autres et sont aptes à être déplacés latéralement par rapport au racleur (24) de sorte que le moyen de prise de paquets (20) peut prélever des poils dans plusieurs magasins de poils (16 ; 116).
  11. Séparateur de paquets selon la revendication 10, caractérisé en ce que le racleur (24) est apte à fermer au moins partiellement l'ouverture de prélèvement d'au moins un magasin de poils (16 ; 116).
  12. Séparateur de paquets selon l'une des revendications précédentes, caractérisé en ce que le racleur (24) est en forme de plaque.
  13. Séparateur de paquets selon l'une des revendications précédentes, caractérisé en ce que le racleur (24) devient de plus en plus étroit en direction de l'extrémité (30) du racleur (24) côté magasin et est défini d'une part par la surface antagoniste (32) complémentaire et d'autre part par une face de limitation (34) orientée à l'opposé et détournée du moyen de prise de paquets (20).
  14. Séparateur de paquets selon l'une des revendications précédentes, caractérisé en ce qu'une face frontale (40) définissant l'extrémité du racleur (24) est agencée selon un angle de 80° à 100° par rapport à une tangente à la surface antagoniste (32) à la transition entre la surface antagoniste (32) et la face frontale (40) et/ou en ce que la face frontale (40) est plane.
EP19801821.0A 2018-11-08 2019-11-07 Séparateur de touffes d'un outil d'insertion de poils Active EP3876790B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018127982.5A DE102018127982A1 (de) 2018-11-08 2018-11-08 Bündelvereinzelner eines Bürstenstopfwerkzeugs
PCT/EP2019/080534 WO2020094786A1 (fr) 2018-11-08 2019-11-07 Séparateur de touffes d'un outil d'insertion de poils

Publications (2)

Publication Number Publication Date
EP3876790A1 EP3876790A1 (fr) 2021-09-15
EP3876790B1 true EP3876790B1 (fr) 2024-05-01

Family

ID=68536830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19801821.0A Active EP3876790B1 (fr) 2018-11-08 2019-11-07 Séparateur de touffes d'un outil d'insertion de poils

Country Status (5)

Country Link
EP (1) EP3876790B1 (fr)
CN (1) CN112996413A (fr)
DE (1) DE102018127982A1 (fr)
TW (1) TWI820247B (fr)
WO (1) WO2020094786A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008018883B4 (de) * 2008-04-14 2019-09-26 Zahoransky Ag Bürstenherstellungsmaschine
JP5469968B2 (ja) * 2009-09-14 2014-04-16 ライオン株式会社 植毛装置
BE1022749B1 (de) * 2014-12-22 2016-08-29 Gb Boucherie Nv Bürsten-Stopfmaschine
DE102016011337A1 (de) * 2016-09-21 2018-03-22 Zahoransky Ag Bündelabnahmevorrichtung, Bürstenherstellungsmaschine, Verfahren zur Herstellung eines Bündelabnehmers sowie Verfahren zur Herstellung eines Gegenstücks einer Bündelabnahmevorrichtung

Also Published As

Publication number Publication date
EP3876790A1 (fr) 2021-09-15
TW202025939A (zh) 2020-07-16
TWI820247B (zh) 2023-11-01
DE102018127982A1 (de) 2020-05-14
CN112996413A (zh) 2021-06-18
WO2020094786A1 (fr) 2020-05-14

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