EP3448202A1 - Dispositif pour la fabrication de brosses rondes - Google Patents

Dispositif pour la fabrication de brosses rondes

Info

Publication number
EP3448202A1
EP3448202A1 EP17718363.9A EP17718363A EP3448202A1 EP 3448202 A1 EP3448202 A1 EP 3448202A1 EP 17718363 A EP17718363 A EP 17718363A EP 3448202 A1 EP3448202 A1 EP 3448202A1
Authority
EP
European Patent Office
Prior art keywords
wire
counter
gripper
holders
bent
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
EP17718363.9A
Other languages
German (de)
English (en)
Other versions
EP3448202B1 (fr
Inventor
Ettore MAGNI
Enzo Ferrari
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.)
Borghi SpA
Original Assignee
Borghi SpA
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 Borghi SpA filed Critical Borghi SpA
Publication of EP3448202A1 publication Critical patent/EP3448202A1/fr
Application granted granted Critical
Publication of EP3448202B1 publication Critical patent/EP3448202B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A46D3/05—Machines for inserting or fixing bristles in bodies for fixing the bristles between wires, tapes, or the like
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/08—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/18—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier the bristles being fixed on or between belts or wires
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/026—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups where the surface of the brush body or carrier is not in one plane, e.g. not flat
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/08—Parts of brush-making machines
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D9/00—Machines for finishing brushes
    • A46D9/02—Cutting; Trimming

Definitions

  • the invention relates to a device for producing round brushes.
  • Round brushes are made by first folding a wire and then clamping bristles between the twisting wire halves during a twisting process.
  • the object of the invention is to make the various functions that must be fulfilled in a device for the production of round brushes as easy as possible adjustable and bring about an individual optimization of these various functions.
  • the longitudinal extent or longitudinal direction of the wire is the direction of the wire, if this is not kinked, but only fed into the device.
  • the wire is linear.
  • the device according to the invention has two opposite counter-holders, which are spaced apart and which serve to accommodate the bending part between them, when the wire is to be kinked for the first time or slightly bent in the middle.
  • the preferred embodiment provides that in addition to the opposing counter-holders also still spaced-apart Umklenk issueden, for example in the form of harassment, for conditioning of Wire are provided.
  • the wire halves are guided after the wire is bent or folded in the middle.
  • the deflection devices thus form a transition from the non-bent wire sections of the wire halves to the wire sections leading transversely to the longitudinal direction to the rotatable gripper.
  • the wire bears against these deflection devices when it has to change its direction, namely from the longitudinal direction to the transverse direction, almost 90 ° thereto, to the gripper.
  • the backstop and the deflection devices should be different parts and be successively brought into contact with the wire. This is not the case in the prior art, because here are counter-holders and deflection always the same parts that are permanently in contact with the wire. Due to the fact that counter-holders and deflection devices are different parts according to the invention, they can individually be optimally adapted to their functions. Thus, the backstops are perfectly matched to the recorded between them bending part to form the wire between the brackets and the bending part perfectly and clamp.
  • the deflection devices can also be optimized. The deflecting serve namely on the one hand to redirect the wire and on the other hand, the wire also a certain resistance oppose, so that the piece of wire between gripper and deflector is kept under tension when it is twisted. Separate braking devices are therefore unnecessary in the device.
  • the anvils and / or the diverters are movable so that they can be brought into contact and out of contact with the wire to form a bending surface for the wire along which the wire is moved and bent.
  • the deflection as well as the anvil are adjustable in the longitudinal direction of the non-bent wire and / or transversely to the longitudinal direction.
  • the backstops are delivered to come in contact with the wire, or the deflection.
  • the deflection devices come into use when the counterholders have moved away.
  • the bent or bent wire in its center is applied to the deflecting devices or, vice versa, the deflecting devices are driven against the wire so that the rotatable gripper can then pull the wire further and this wire presses against the deflecting devices.
  • the wire can always remain in the same holder, this is defined for example by the drive rollers, while counter-holders and deflection are delivered. That is, anvils and baffles may have substantially the same operative position when the wire is in contact with them. Counterholder and deflecting devices are only moved alternately into this operative position.
  • the motor-driven drive rollers are arranged in the longitudinal direction of the wire outside of the counter-holders and deflectors, d. h., they take them between themselves when they are in their operative position. That is, the drive rollers can push and transport wire material toward the stoppers and the diverters.
  • Each drive roller can have a counter-roller and form with it a drive roller pair, which transports the wire between them and, for the slip-free as possible, clamps.
  • a motor-driven auxiliary drive roller which transports wire from a supply to the drive rollers.
  • a wire cutter is preferably provided between the auxiliary drive roller and the nearest drive roller for cutting the wire piece being processed from the wire supply.
  • a simple design of the invention is achieved when the counter-holders are projecting, juxtaposed portions of a one-piece bending jaw. The anvils thus merge into one another at a connecting bar, so to speak.
  • the bending part should be adapted in its outer shape of the shape of the gap between the counter-holders and be formed complementarily. Naturally There must still be a small gap for receiving the wire, so that it is not unnecessarily heavily squeezed.
  • baffles are formed according to the preferred embodiment of the invention as baffles with an arcuate bending surface for the wire.
  • the bending surface should be formed as a sliding surface for the wire. Roles are not necessary here and even disadvantageous.
  • a particular embodiment of the invention provides that the drive rollers are controlled so that they press wire sections towards each other and towards the gripper during twisting of the wire, in particular during the entire twisting process. That is, the propulsive force of the gripper is preferably not sufficient to further transport the wire during drilling, i. H. to transport untwisted portions of the ends of the wire halves. This is done by the drive rollers, which also transport wire to the bending surfaces in this process state.
  • a post-processing station in which the twisted wire can be used and the further twisted the wire and / or outside cuts the bristles.
  • a particularly effective device results when the finishing station has a fixed gripper which can grasp the free ends of the wire halves.
  • the device is rotatable or pivotable, z. B. it has a rotatable base to which a plurality of rotatable gripper are attached.
  • the fixed gripper can be released, ie, with the rotating gripper over the wire to be set in motion, so that outside a knife along the bristles can be moved to cut them off.
  • FIG. 1 shows a schematic view of a device according to the invention for producing round busts
  • FIG. 2 shows the counterholder used together with the bending device according to the invention
  • FIG. 3 shows the rotatable gripper during the first detection of the bent wire
  • FIG. 5 shows a subsequent step in the device according to the invention, in which the round brush is almost completely rotated
  • FIG. 6 shows the device according to the invention, which in this embodiment is designed with a finishing station
  • FIG. 7 shows a further variant of the device according to the invention, in which the post-processing station is formed with a cutter or counter blade for processing the bristles.
  • FIG. 1 shows a device 10 for producing round brushes.
  • a stylized stock 12 for wire is present, deducted from the wire and transported into the device.
  • a motor-driven auxiliary drive roller 14 and a counter-roller 16, which form an auxiliary drive roller pair are provided.
  • the wire is added.
  • an adjustable knife 18 is present, which cuts off a sufficiently long piece of wire, as will be explained later.
  • a guide 20 is to act as a counter knife while guiding the wire.
  • the guide 20 is a first drive roller pair with a first motor-driven drive roller 22 and a counter-roller 24, which receive the wire between them.
  • One of these clearly spaced second pair of drive rollers comprises a second motor-driven drive roller 26 and a counter-roller 28 which receive the free end of the wire 30 and, for example, moved to a stop 32.
  • the stop 32 is, as indicated by the arrows 34, adjustable to adjust the length of the piece of wire between the blade 18 and the stopper 32 can be variable.
  • the wire 30 extends linearly between the first and the second drive roller pair and also up to the auxiliary drive roller pair, as can be clearly seen in FIG.
  • a transverse to the wire longitudinal direction or wire extension (linear extension in the unbent state shown in Figure 1) movable back and forth bending member 38 has a pin 40th
  • an integral Biegebacken 42 which comprises two spaced-apart counter-holder 44, which are integrally connected by a web 46 together and form a gap 48 between them.
  • the free ends of the anvils each extend over an arc 50 which extends over substantially 90 °, from the longitudinal direction of the wire 30 to the gap 48, where the arc then passes substantially into a portion which is 90 ° to the longitudinal direction of Wirts 30 runs.
  • two deflection devices 52, 54 are provided, which are adjustable in one or more directions and which are also located between the drive roller pairs. These deflectors 52, 54 are, as will be explained later, used in twisting the wire.
  • a bristle feeder 56 which carries bristles 58 which are successively received and clamped between the wire halves being formed.
  • Both the counter-holder 42, that is, the entire bending part 38, as well as the deflectors 52, 54 are movable so that they act in succession and are successively acted upon by the wire 30 to control its bending.
  • the motorized deflectors 52, 54 are out of engagement with the wire and not in function.
  • the counter-holders 44 are in operation, as will be explained in Figure 2.
  • the bending member 38 is moved in the direction of the bending jaw 42 in the arrow direction, so that the pin 40, the wire in the region of its center, d. H. relative to the longitudinal extent, detected and pressed between the counter-holder 44, as shown in Figure 2, above.
  • the pin 40 is made complementary to the recess or to the gap 48, the shape of the bent or bent portion of the wire 30 is generated very accurately (see Figure 2).
  • both the bending part 38 is driven outwards, and the bending jaws 42 with the counter-holders 44, as shown in Figure 2, below, with the arrows.
  • the wire 30 then has a bend or kink in its center.
  • the lateral bending jaw 42 After the lateral bending jaw 42 is moved, it is preferably also moved out of or into the plane of the drawing to clear the way for a gripper 60 to be fed laterally, which can be rotated by a motor and which is also motor-driven along a guide 62.
  • the guide 62 extends substantially perpendicular to the longitudinal direction of the wire 30, always with reference to the state of the wire in FIG. 1.
  • the gripper detects the so-called eye 64, d. H. the kink or bend at its tip and pinches it.
  • the deflecting devices 52, 54 are moved into their operative position according to FIG. This effective position corresponds approximately to the operative position of the counter-holder 44 in Figure 1 and Figure 2 above.
  • the deflecting devices 52, 54 can also be moved from the side, ie in the drawing plane or out of the plane of the drawing.
  • the deflectors 52, 54 are formed with an arcuate bending surface 66 which acts as a sliding surface and along which the wire is drawn when the gripper 60 rotates the eye 64 and simultaneously pulls it to the right in the direction of the arrow (see FIG. 3). Then, the linear wire portions of the two wire halves wander along their arcuate bending surfaces 66 and are drawn into the space between the baffles 52, 54 and thereby also bent.
  • the arcuate bending surface thus extends over substantially 90 °.
  • lateral limiters represented by rollers, can be present here, which prevent the wire from slipping off the respective bending surface 66.
  • the wire is pulled further, at the same time it is twisted and at the same time the bristles are inserted between the wire halves and clamped there during the twisting.
  • the drive rollers 22, 26 are set in motion, pressing wire material from the two unbent ends of the wire halves toward each other toward the diverters 52, 54 and thus to the gripper 60 pulling the wire. This is necessary because the feed force of the gripper to the wire take-off is too low to overcome the friction of the wire on the bending surfaces 66 itself.
  • the drive of the gripper 60 for turning is in particular torque-controlled, it can be achieved by a servo motor.
  • a servo motor In addition, preferably use all driven drive rollers also servomotors, which can be very well adjusted in terms of their speed.
  • the peripheral speed of the drive rollers 22, 26 is equal to the peripheral speed of the auxiliary drive roller 14 so as not to cause buckling or pulling of the wire 30.
  • the deflection 52, 54 are very simple, they contain hardened surfaces, making it very easy to produce steel and especially very robust.
  • the special feature of the device is also that the twisting with the gripper 60 does not take place until the final twisting state of the round brush. Rather, a very lightly twisted spiral is generated, which is post twisted to achieve the necessary and desired twisting of the wire halves and to produce the correct voltage. It is just enough that the bristles do not fall out of the twisted wire before the round brush is reworked.
  • the device may optionally be equipped with a finishing station in which the bristles are cut, for example (see Figure 7), where a cutter or knife 70 is moved along the almost finished brush while it is being rotated.
  • a cutter or knife 70 is moved along the almost finished brush while it is being rotated.
  • an additional twist as already indicated.
  • the device has, so that the already twisted wire does not need to be recaptured, a rotatable guide, such as a drum on which the gripper 60 is movable.
  • a base 76 to see, which is moved on the guide 74.
  • the gripper 60 is then moved longitudinally along the base 76.
  • On the guide 74 sit several rotatable gripper 60, which can be clocked in and out of various stations.
  • the upper station in FIG. 6 is the feed station, which is explained with reference to FIG has been.
  • An intermediate support 78 supports the free end of the twisted wire when it is pulled out of the deflectors 52, 54.
  • the device is rotated, that is, the guide 74 or the base 76 itself is rotated, so that the rotatable gripper 60 passes in a finishing station 72 together with embhalterung 78 and wire 30.
  • a fixed gripper 80 which detects the free ends of the wire 30.
  • the gripper 80 can be delivered in the linear direction, as shown in FIGS. 6 and 7.
  • the gripper 60 may rotate again, allowing twisting.
  • the gripper 80 could also rotate, this is even useful for post-processing by cutting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wire Processing (AREA)
  • Brushes (AREA)
  • Tyre Moulding (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Massaging Devices (AREA)

Abstract

Dispositif pour la fabrication de brosses rondes, comprenant des rouleaux d'entraînement (22, 26) motorisés qui pressent le fil métallique en direction d'un organe de préhension rotatif (60) lors du tordage des moitiés de fils métalliques. Le matériau du fil métallique glisse sur des organes de déviation (52, 54).
EP17718363.9A 2016-04-27 2017-04-19 Dispositif pour la fabrication de brosses rondes Active EP3448202B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016107839.5A DE102016107839A1 (de) 2016-04-27 2016-04-27 Vorrichtung zum Herstellen von Rundbürsten
PCT/EP2017/059268 WO2017186539A1 (fr) 2016-04-27 2017-04-19 Dispositif pour la fabrication de brosses rondes

Publications (2)

Publication Number Publication Date
EP3448202A1 true EP3448202A1 (fr) 2019-03-06
EP3448202B1 EP3448202B1 (fr) 2022-09-07

Family

ID=58578941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17718363.9A Active EP3448202B1 (fr) 2016-04-27 2017-04-19 Dispositif pour la fabrication de brosses rondes

Country Status (7)

Country Link
US (2) US10932558B2 (fr)
EP (1) EP3448202B1 (fr)
CN (1) CN109152474B (fr)
DE (1) DE102016107839A1 (fr)
ES (1) ES2930806T3 (fr)
TW (1) TWI737719B (fr)
WO (1) WO2017186539A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016107839A1 (de) * 2016-04-27 2017-11-02 Borghi S.P.A. Vorrichtung zum Herstellen von Rundbürsten
WO2025186736A2 (fr) * 2024-03-07 2025-09-12 Borghi S.P.A. Machine de fabrication de brosses
CN119679245A (zh) * 2024-12-30 2025-03-25 垣固液压设备(上海)有限公司 一种多层刷头及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483627A (en) 1945-02-03 1949-10-04 Vernon F Dale Method of producing helical brushes
US3254923A (en) * 1964-06-10 1966-06-07 American Tech Mach Co Brush making apparatus and method
FR2793121B1 (fr) 1999-05-07 2002-05-17 Coty Sa Procede d'ablation des poils d'une brosse a mascara et brosse a mascara obtenue par ledit procede
ITBO20040225A1 (it) * 2004-04-20 2004-07-20 Unimac Srl Sistema per alimentara fili in disposizione circolare, particolarmente indicato per macchine automatiche tese a formare spazzole circolari
FR2903283B1 (fr) * 2006-07-05 2008-10-17 Alcan Packaging Beauty Serv Procede de fabrication d'applicateurs de produits cosmetiques
BE1017281A3 (nl) 2006-10-31 2008-05-06 Boucherie Nv G B Werkwijze voor het vervaardigen van draadgewikkelde borstels.
DE102011015060B4 (de) * 2011-03-24 2015-07-30 Zahoransky Ag Vorrichtung und Verfahren zum Herstellen von Rundbürsten
DE102016107839A1 (de) * 2016-04-27 2017-11-02 Borghi S.P.A. Vorrichtung zum Herstellen von Rundbürsten

Also Published As

Publication number Publication date
DE102016107839A1 (de) 2017-11-02
WO2017186539A1 (fr) 2017-11-02
TWI737719B (zh) 2021-09-01
US10932558B2 (en) 2021-03-02
CN109152474A (zh) 2019-01-04
TW201742574A (zh) 2017-12-16
US20210137260A1 (en) 2021-05-13
CN109152474B (zh) 2020-09-08
US20190125069A1 (en) 2019-05-02
ES2930806T3 (es) 2022-12-22
EP3448202B1 (fr) 2022-09-07
US11737553B2 (en) 2023-08-29

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