WO2023138931A1 - Dispositif et procédé pour diviser des faisceaux de poils à partir d'une alimentation en filaments de poils en vrac - Google Patents

Dispositif et procédé pour diviser des faisceaux de poils à partir d'une alimentation en filaments de poils en vrac Download PDF

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Publication number
WO2023138931A1
WO2023138931A1 PCT/EP2023/050289 EP2023050289W WO2023138931A1 WO 2023138931 A1 WO2023138931 A1 WO 2023138931A1 EP 2023050289 W EP2023050289 W EP 2023050289W WO 2023138931 A1 WO2023138931 A1 WO 2023138931A1
Authority
WO
WIPO (PCT)
Prior art keywords
dividing
notches
compartment
groups
bristle
Prior art date
Application number
PCT/EP2023/050289
Other languages
German (de)
English (en)
Inventor
Christian Graf
Fabian Matt
Tim Kamp
Benedikt RENZ
Original Assignee
Zahoransky Ag
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 Zahoransky Ag filed Critical Zahoransky Ag
Publication of WO2023138931A1 publication Critical patent/WO2023138931A1/fr

Links

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
    • 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 device and a method for separating bristle bundles from a supply of loose bristle filaments.
  • bristle filaments are combined into bristle bundles and attached to a brushware body in a subsequent step.
  • the bristle bundles are separated from a supply of loose bristle filaments.
  • dividing notches are guided past the supply of loose bristle filaments in a dividing movement, with bristle filaments reaching the dividing notches from the supply.
  • Document DE 197 34 615 A1 discloses a method and a device for producing a bristle carrier having a plurality of tufts of bristles, in particular for a toothbrush.
  • the method provides for the tufts of bristles to be stuffed into holes in the bristle carrier and then to be fastened.
  • the method is characterized in that before stuffing, first bristles and second bristles are mixed and combined to form the bristle tufts.
  • the object of the invention is to provide a device and a method for separating bristle bundles from a supply of loose bristle filaments for the production of brushware, which promote efficient separating of bristle bundles from a supply of loose bristle filaments.
  • Detaching bundles of bristles from a supply loose Proposed bristle filaments which comprises the means and features of the independent claim directed to such a device.
  • a device for dividing bristle bundles from a supply of loose bristle filaments is proposed in particular, which has at least two spaced, identical groups of dividing notches that can be moved past the supply of loose bristle filaments in a dividing movement for dividing bristle bundles.
  • a number of bristle bundles can then be divided from the supply with each of the groups of compartment notches, which number corresponds to a number of bristle bundles in a bristle facing of brushware to be produced or a subgroup of bristle bundles of a bristle facing of brushware to be produced.
  • the device has at least two identical groups of dividing notches, a higher, for example twice the amount of bundle groups from the supply of loose bristle filaments can be divided per unit of time than was the case with previously known devices for dividing bristle bundles.
  • FIGS. 5 and 6 show a device known from the prior art for separating bristle bundles from a supply of loose bristle filaments.
  • the prior art device has only one set of compartment notches.
  • a comparable dividing device is also disclosed in publication DE 10 2016 012 148 A1.
  • the device promotes better filling of the individual compartment notches of the two identical groups of compartment notches, with the cycle time remaining unchanged, in that the groups of compartment notches in a compartment movement with less Speed can be moved past the supply of loose bristle filaments.
  • a distance between the groups of compartment notches is greater than a distance between adjacent compartment notches within a group of compartment notches.
  • the device may include a compartment member on which the groups of compartment notches are located.
  • the at least two identical groups of dividing notches can be arranged at a distance from one another on an edge of the dividing element.
  • the at least two identical groups of dividing notches are arranged on a dividing element, they can be moved past a supply of loose bristle filaments one after the other in a particularly simple manner in order to divide bristle bundles from the supply.
  • the at least two groups of dividing notches can have a constant spacing from one another due to their common arrangement on a dividing element.
  • a common compartment element with at least two identical groups of compartment notches arranged thereon promotes the previously mentioned cycle time reduction or the reduction of the speed of the compartment movement with the same cycle time. While one group of compartment notches can already be moved with the help of the compartment element into a transfer position, which will be explained in more detail below, in which the bristle bundles in the group of compartment notches can be kept ready for removal and transport, the other group of compartment notches can meanwhile be moved past it to remove bristle bundles from a supply of loose bristle filaments.
  • Each group of the at least two identical groups of compartment notches may have compartment notches identical in number and shape. This favors the above-explained increase in efficiency of the device compared to devices previously known from the prior art (compare FIGS. 5 and 6).
  • the dividing element can be a dividing disc.
  • the dividing disc can have an arc-shaped edge on which the groups of dividing notches are arranged.
  • the groups of dividing notches can be arranged at an angular distance of 45° to 180°, in particular from 90° to 120°, and in a preferred embodiment of the device at an angular distance of 120°.
  • the arrangement of the at least two groups of compartment notches at an angular distance of 120° favors a reduction of the angle of rotation to 120°, which a group of compartment notches must cover after being completely filled with bristle bundles in a transfer position. This favors a shorter cycle time or a lower speed of compartment movement. Furthermore, it is possible that the groups of compartment notches pass the supply of loose bristle filaments twice, which can lead to the compartment notches being filled homogeneously and thus to a more homogeneous compartmenting of bristle bundles from the supply. For this purpose the compartment movement can be an alternating movement.
  • the dividing movement in which the at least two groups of dividing notches, in particular the one dividing element on which the groups of dividing notches can be arranged, is moved, can be a rotary movement, preferably an alternating one be rotary motion .
  • the groups, in particular the dividing element can be rotatable about a common axis of rotation in order to carry out the dividing movement.
  • the device can have a drive, in particular a rotary drive, with which the groups of dividing notches, in particular the dividing element, can be moved in the dividing movement.
  • the device can have a magazine for receiving the supply of loose bristle filaments, which is arranged in a removal position, in particular on the compartment element.
  • the device can also have a removal device for removing bundles of bristles from the compartment notches.
  • the removal device can be arranged in a transfer position, in particular on the compartment element.
  • the aforementioned magazine for receiving the supply of loose bristle filaments and the aforementioned removal device can be arranged offset from one another by 180° with respect to an axis of rotation about which the groups of dividing notches can be rotated in the dividing movement.
  • the removal device can have a number of removal means which corresponds to the number of compartment notches in a group. In this way it is possible to empty all the compartment notches of a group that are filled with bristle bundles in one work step, in particular simultaneously, using the removal means of the removal device.
  • the removal device can be used for removal and/or for
  • the removal device can have suction lines as removal means, which can be connected or are connected to a vacuum source of the device.
  • a vacuum can be applied to the suction lines with the help of the vacuum source. With the vacuum, the bundles of bristles located in the compartment notches of a group of compartment notches located in the transfer position can be sucked in and transferred to a target position through the suction lines.
  • the dividing element can be set up to transport the bristle bundles from the previously mentioned removal position on the supply of loose bristle filaments into a transfer position.
  • the device can have at least one counterpart and/or at least one counter-holder, which can be advanced in the direction of the compartment element using a counter-holder device.
  • the previously mentioned dividing element can be arranged between the at least one counterpart and/or the at least one counter-holder.
  • the at least one counterpart, the at least one counter-holder and the at least one counter-holder device can be arranged relative to the dividing element in such a way that the bundles of bristles located in the groups of dividing notches are secured against falling out of the dividing notches during their transport with the dividing element into a transfer position by the at least one counter-piece and the at least one counter-holder.
  • the aforementioned magazine may have a filament pusher.
  • the loose bristle filaments located in the magazine can be pressurized with the filament pusher in the direction of the groups of compartment notches. This can one promote homogeneous filling of the compartment notches at the edge of the compartment element with bristle filaments.
  • a method for separating bristle bundles from a supply of loose bristle filaments using a device according to one of the claims directed to such a method is proposed, which has the features of the claim directed to such a method. Accordingly, it is provided to move a group, in particular the groups, of compartment notches for filling the compartment notches in an alternating compartment movement, in particular in an alternating rotary movement, past the supply of loose bristle filaments.
  • the groups of dividing notches of the device already explained in detail above are guided past the supply of loose bristle filaments at least twice. This allows a higher degree of filling or a more homogeneous filling of the compartment notches when dividing bristle bundles from the supply of loose bristle filaments can be achieved.
  • the bundles of bristles removed are moved into a transfer position in the compartment notches of a group.
  • the bristle bundles can be removed from the compartment notches and transported onwards using a removal device, preferably by means of a vacuum and/or simultaneously.
  • the bristle bundles can then be fed to a downstream processing device.
  • the bristle bundles can, for example, be converted into a holding device, rounded off, ground, melted and/or, in particular, fed to an injection mold. It is also possible to feed the bristle bundles to a tamping device, by means of which the bristle bundles can then optionally be stuffed into receiving holes in a brushware body.
  • Fig. 1 a perspective view of a device for dividing bristle bundles from a supply of loose bristle filaments, with a dividing element on which two identical groups of dividing notches are arranged, which can be moved past the supply of loose bristle filaments in a dividing movement for dividing bristle bundles therefrom,
  • Fig. 2 a plan view of the dividing element shown in FIG. 1 shown device
  • FIG. 3 and 4 perspective representations of the device represented in FIG. 1 with the dividing element located in different rotational positions
  • Fig. 5 a perspective view of a device known from the prior art for separating bundles of bristles
  • Fig. 6 the dividing element of the device shown in FIG. 5 with only one group of dividing notches.
  • FIGS. 1-4 show at least parts of a device, designated as a whole by 1, for separating bristle bundles 2 from a supply 3 of loose bristle filaments.
  • the device 1 has two mutually spaced, identical groups 4 and 5 of dividing notches 6 which can be moved past the supply 3 in a dividing movement symbolized by an arrow 7 in order to divide bundles of bristles 2 .
  • FIG. 2 shows a top view of the dividing element 8 of the device 1 shown in FIGS. 1, 3 and 4 in different situations.
  • FIG. 2 makes it clear that a distance between the two groups 4 and 5 is greater than a distance between adjacent compartment notches 6 within a group 4 or 5 of compartment notches 6 .
  • the two groups 4 and 5 of dividing notches 6 are arranged at a distance from one another on an edge 9 of the dividing element 8 .
  • Each group 4 and 5 of the two identical groups of dividing notches 6 has dividing notches 6 identical in number and shape. In this way it is possible to summarize with the two groups 4 and 5 of compartment notches 6 identical groups of bristle bundles 2 from the supply 3 loose bristle filaments.
  • Figure 2 shows that the compartment element 8 a
  • Separation disc 10 with a circular arc-shaped edge 9 is on in which the groups 4 and 5 of compartment notches 6 are arranged.
  • the two groups 4 and 5 of compartment notches 6 have an angular distance of 120° to one another. The angular distance is measured between two identical compartment notches 6 of the two groups 4 and 5 of compartment notches 6 , ie for example between the middle compartment notch 6 of one group 4 and the middle compartment notch 6 of the other group 5 of compartment notches 6 .
  • the compartment movement 7 is an alternating rotary movement of the two groups 4 and 5 about a common axis of rotation 11 .
  • the two groups 4 and 5 of dividing notches 6 and the dividing element 8 are rotated about the axis of rotation 11 in order to carry out the dividing movement 7 .
  • the device 1 has a drive 12 , namely a rotary drive for the groups 4 and 5 of dividing notches 6 and the dividing element 8 .
  • the device 1 also includes a magazine 13 which serves to hold the supply 3 of loose bristle filaments.
  • the magazine 13 is arranged in a removal position 14 on the dividing element 8 .
  • the device 1 also includes a removal device 15 for removing bundles of bristles 2 from the compartment notches 6 .
  • the removal device 15 is arranged in a transfer position 16 on the compartment element 8 .
  • the removal device 15 is equipped with a number of removal means 17 for removing bundles of bristles 2 from the dividing notches 6 , which number corresponds to the number of dividing notches 6 in a group 4 or 5 of dividing notches 6 .
  • the removal device 15 is set up for the removal and transport of bristle bundles 2 by means of a vacuum and, as a removal means 17 Suction lines connected to a vacuum source 18 .
  • Each group 4 and 5 comprises nine compartment notches 6 each.
  • the removal device 15 has a total of nine removal means 17 in the form of suction lines, so that all of the bristle bundles 2 held ready in the compartment notches 6 of a group 4 and 5 in the transfer position 16 can be removed together.
  • FIG. 2 shows that at least two compartment notches 6 of a group 4 or 5 of compartment notches 6 have different sizes and/or shapes.
  • the magazine 13 of the device 1 has a filament presser 19 .
  • pressure can be exerted on the supply 3 of loose bristle filaments within the magazine 13 in order to press the bristle filaments against the compartment element 8.
  • the bristle filaments can be moved from the magazine 13 into the compartment notches 6 of the two groups 4 and 5 of compartment notches 6 passing the supply 3 of loose bristle filaments when the compartment movement 7 is carried out, and the compartment notches 6 can be filled with bristle bundles.
  • FIGS. 1, 3 and 4 also show that the dividing element 8 is flanked by two counterparts 20 and a counter-holder 21 .
  • the counter-holder 21 is connected to a counter-holder device 22 with which a distance between the counter-holder 21 and the compartment element 8 can be regulated.
  • the two counterparts 20 and the counter-holder 21 serve to hold the bristle bundles 2 in the compartment notches 6 during their transport from the removal position 14 on the magazine 13 into the
  • each group 4 and 5 of dividing notches 6 can be guided past the supply 3 of loose bristle filaments in the magazine 13 at least twice. This favors a homogeneous filling of the compartment notches 6 with bristle filaments.
  • FIG. 1 shows the device 1 with the compartment notches 6 filled.
  • FIG. 3 shows the device 1 with the dividing disc 10 rotated by 120° in comparison to FIG. 1 after the bristle bundles 2 have been removed from the first group 4 of dividing notches 6 .
  • the first group 4 of compartment notches 6 is empty.
  • the second group 5 of compartment notches 6 was guided past the magazine 13 with the supply 3 of loose bristle filaments a second time and is now filled.
  • FIG. 4 shows the dividing disc 10 rotated by 120° in relation to FIG.
  • the second group 5 of compartment notches 6 is ready for removing the bundles of bristles 2 below the removal means 17 , namely the suction lines in the transfer position 16 .
  • the first group 4 of compartment notches 6 is already filled after passing the supply 3 of loose bristle filaments twice.
  • the angle of rotation which the first group has to cover after it has been completely filled up to the transfer position 16 at the removal device 15 is then only 120°.
  • the device 1 is set up to carry out the method explained below for separating bristle bundles 2 from the supply of three loose bristle filaments.
  • the groups 4 and 5 of compartment notches 6 for filling the compartment notches 6 with bristle bundles 2 are moved past the supply 3 of loose bristle filaments in an alternating compartment movement 7 , namely in an alternating rotary movement.
  • the removed bundles of bristles 2 are then moved in the compartment notches 6 of groups 4 and 5 to the transfer position 6 on the removal device 15 .
  • the transfer position 16 the bristle bundles 2 are removed from the compartment notches 6 with the aid of the removal device 15 by means of a vacuum in one work step and, in the technical sense, at the same time and are transported further.
  • FIGS. 5 and 6 show a prior art device 100 representing a compartment member 800 having only a single set 400 of compartment notches 600 .
  • the invention deals with improvements in the technical field of manufacturing brushware.
  • a device 1 for dividing bristle bundles 2 from a supply 3 of loose bristle filaments is proposed, which has at least two spaced, identical groups 4 and 5 of dividing notches 6 .
  • the groups 4 and 5 can be moved past the store 3 in a dividing movement 7 for dividing bundles of bristles.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)
  • Inorganic Fibers (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)

Abstract

L'invention concerne des améliorations apportées au domaine technique de la production de produits à poils. À cet effet, un dispositif (1) pour diviser des faisceaux de poils (2) à partir d'une alimentation (3) en filaments de poils en vrac est proposé, qui comporte au moins (2) des groupes identiques (4, 5), qui sont espacés les uns des autres, d'indentations de séparation (6). Les groupes (4, 5) peuvent être déplacés au-delà de l'alimentation (3) afin de diviser des faisceaux de poils dans un mouvement de division (7).
PCT/EP2023/050289 2022-01-20 2023-01-09 Dispositif et procédé pour diviser des faisceaux de poils à partir d'une alimentation en filaments de poils en vrac WO2023138931A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022101268.9A DE102022101268A1 (de) 2022-01-20 2022-01-20 Vorrichtung und Verfahren zum Abteilen von Borstenbündeln aus einem Vorrat loser Borstenfilamente
DE102022101268.9 2022-01-20

Publications (1)

Publication Number Publication Date
WO2023138931A1 true WO2023138931A1 (fr) 2023-07-27

Family

ID=84982318

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/050289 WO2023138931A1 (fr) 2022-01-20 2023-01-09 Dispositif et procédé pour diviser des faisceaux de poils à partir d'une alimentation en filaments de poils en vrac

Country Status (3)

Country Link
DE (1) DE102022101268A1 (fr)
TW (1) TW202332394A (fr)
WO (1) WO2023138931A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5033797A (en) * 1989-06-24 1991-07-23 Fritz Rueb Method of and apparatus for making brushes
DE19734615A1 (de) 1997-08-09 1998-09-24 Braun Ag Verfahren und Vorrichtung zur Herstellung eines eine Mehrzahl von Borstenbüscheln aufweisenden Borstenträgers insbesondere einer Zahnbürste
DE102016012148A1 (de) 2016-10-13 2018-04-19 Zahoransky Ag Abteilvorrichtung zum Abteilen von Borstenbündeln aus einem Borstenvorrat und Bürstenherstellungsmaschine
DE102017114898A1 (de) * 2017-07-04 2019-01-10 Zahoransky Ag Bündelentnahmevorrichtung und Bürstenherstellungsmaschine
DE102020108452A1 (de) * 2020-03-26 2021-09-30 Gb Boucherie Nv Borstenbearbeitungsvorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5033797A (en) * 1989-06-24 1991-07-23 Fritz Rueb Method of and apparatus for making brushes
DE19734615A1 (de) 1997-08-09 1998-09-24 Braun Ag Verfahren und Vorrichtung zur Herstellung eines eine Mehrzahl von Borstenbüscheln aufweisenden Borstenträgers insbesondere einer Zahnbürste
DE102016012148A1 (de) 2016-10-13 2018-04-19 Zahoransky Ag Abteilvorrichtung zum Abteilen von Borstenbündeln aus einem Borstenvorrat und Bürstenherstellungsmaschine
DE102017114898A1 (de) * 2017-07-04 2019-01-10 Zahoransky Ag Bündelentnahmevorrichtung und Bürstenherstellungsmaschine
DE102020108452A1 (de) * 2020-03-26 2021-09-30 Gb Boucherie Nv Borstenbearbeitungsvorrichtung

Also Published As

Publication number Publication date
DE102022101268A1 (de) 2023-07-20
TW202332394A (zh) 2023-08-16

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