EP3873298A1 - Machine à insérer les soies dans une brosse et procédé d'insertion - Google Patents

Machine à insérer les soies dans une brosse et procédé d'insertion

Info

Publication number
EP3873298A1
EP3873298A1 EP19801497.9A EP19801497A EP3873298A1 EP 3873298 A1 EP3873298 A1 EP 3873298A1 EP 19801497 A EP19801497 A EP 19801497A EP 3873298 A1 EP3873298 A1 EP 3873298A1
Authority
EP
European Patent Office
Prior art keywords
wire
anchor
intermediate section
tip
tamping
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
EP19801497.9A
Other languages
German (de)
English (en)
Other versions
EP3873298B1 (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 EP3873298A1 publication Critical patent/EP3873298A1/fr
Application granted granted Critical
Publication of EP3873298B1 publication Critical patent/EP3873298B1/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
    • A46D3/042—Machines for inserting or fixing bristles in bodies for fixing bristles using an anchor or staple

Definitions

  • the invention relates to a brush tamping machine, comprising a tamping tool with a tip, an intermediate section which is adjacent to and connected to the tip, the tamping tool being guided back and forth between a bundle receiving position and a tamping position along a curved, non-linear path is movable, a guide for a tongue which pushes an anchor together with a bundle into a bristle carrier, the tongue being accommodated in a longitudinally displaceable manner and the guide being provided in the tip and in the intermediate section and the tongue being reversibly movable in the plugging direction relative to the tip and comprising an anchor feed that feeds the anchor laterally to the direction of movement of the tip and the intermediate section of the tamping tool.
  • An anchor is a fastener for the bundles in the bristle holder and can e.g. a sheet of metal, a piece of wire or a wire loop.
  • a brush tamping machine is known from WO 2016/102223 A1.
  • the bundle pick-up separates bundles from a bristle magazine and transfers them to the tamping tool directly behind a tip.
  • a guide for the tongue is provided in the tip, so that the tongue leads a bundle including the anchor along the guide to a bristle holder which forms at least part of the finished brushes and pushes into an opening in the bristle holder.
  • the tamping tool is pivoted in the direction of the bristle holder.
  • the tamping tool together with the guide in the tip and the tongue are moved on a circular arc section.
  • tamping tools are known in which the tamping tool, like the curved guide, is not moved transversely in a straight line, but along a curved path which is guided, for example, by a kind of linkage, e.g. similar to a parallelogram.
  • Brush tamping machines work with cycles of more than 1000 cycles per minute, with the aim of increasing them to at least 1200 to 1500 cycles per minute. These enormous clock rates can lead to increased noise and wear.
  • the object of the invention is therefore to improve a brush tamping machine so that it runs smoothly at higher clocks.
  • the intermediate section has an upper side from which a feed channel for the armature extends to the lower guide of the tongue, the armature feeder being able to move the armature into a take-over position which is above the The top of the intermediate section lies, the feed of the anchors and the movement of the tamping tool being coordinated with one another such that an anchor to be processed is moved into the take-over position.
  • the path along which the tamping tool is moved is curved such that the intermediate section travels under the fixed anchor that is already in the take-over position and positions the feed channel under the fixed anchor, so that the fixed anchor moves into the Bundle pick-up position reaches the feed channel.
  • the tamping machine according to the invention is based on a completely new concept for the anchor feed and the takeover of the anchor by the tamping tool, which provides considerable advantages. So far, the anchors were either only laterally guided into the tamping tool when the tamping tool was in the bundle receiving position, that is, at its rear dead center. In this position, however, not only did the bundle have to, but also the armature can be actively fed, which leads to considerable dead time during the cycle or to extremely high speeds during wire feed and cutting. Another possibility in the prior art was to move the anchor over the intermediate section during the return movement of the tamping tool and then to guide it downward in the bundle receiving position only with a short feed movement in order to bring the anchor into the guide.
  • the anchor itself was actively moved in the bundle receiving position.
  • the invention takes a completely different approach because it positions the anchor above the surface of the intermediate section in its take-over position either before, during or after the tamping of the previous bundle, ie during the forward movement of the anchor to be processed beforehand, when tamping by means of the previous one processing anchor or in the backward movement after plugging by means of the anchor to be processed beforehand.
  • the curved, non-linear path along which the tamping tool is then moved in the return stroke ensures that the anchor can remain stationary and, so to speak, the tamping tool makes the feed movement for the anchor, and thus moves to the anchor and the feed channel "on" it Anchor sets.
  • the path along which the tamping tool moves is preferably continuously curved, that is to say without any shoulders.
  • examples of this are particularly advantageous circular path sections or also e.g. Paths generated by linkage, parallelogram guides or slide guides.
  • Paths generated by linkage, parallelogram guides or slide guides are particularly advantageous.
  • processing unit for processing the armature during the movement of the tamping tool.
  • This processing unit remains permanently in a fixed position.
  • the processing unit is thus also very close to the invention Darning tool brought to enable short delivery routes.
  • the processing unit does not have to be delivered as a whole at every cycle, which again reduces the moving masses.
  • the term "fixed position" does not mean that all parts of the processing unit remain fixed, rather the entire spatial processing unit remains fixed in itself. However, parts of this processing unit have to move because they are to process the anchor.
  • the at least one processing unit can, for example, comprise or be a bending device. It is used to bend a loop from an anchor designed as a wire and has a movable bent part, which can dip into a slot in the intermediate section, which enables a movement path for the bent part, or rather releases it, and which at least from the top downwards to guide the tongue.
  • the wire is bent into a shaping structure provided for this purpose with a recess into which the bent part can pivot in order to bend the wire and to form the loop.
  • the loop is formed completely before it is included in the guide.
  • the bent part can remain in the above-mentioned recess and then in the slot in the intermediate section in order to hold the loop in this position until it is received in the feed channel, or the bent part can also be pivoted back directly.
  • the holding function of the bent part is omitted. Whether this holding function is necessary or not depends solely on the properties (e.g. spring force) of the wire used, the shape of the loop itself or the design of the recess in which the loop is bent and held.
  • the slot in the intermediate section can, for example, extend in the direction of movement of the tamping tool, with which the loop is then already correctly positioned for further movement by the tongue and the tamping tool. The slot allows the bent part to be opened and moved back into an open position.
  • the slot for the bent part and the feed channel for the anchor preferably form a cross, with a view of the top.
  • a processing unit provides a cutting device. This can be provided in addition or as an alternative to the aforementioned bending device and also be fixed in space.
  • the cutting device serves to cut a piece of wire to form the armature, wire being fed through the armature feed laterally relative to the direction of movement of the tip and the intermediate section of the tamping tool.
  • the wire lies with its free end above the intermediate section and close to the surface when the tamping tool is moved back into the bundle receiving position and then gets into the feed channel by the feed channel moving onto the wire and taking it up .
  • a fixed or movable counter-holder is provided for the cutting device, for example, which closes the feed channel at the top.
  • the counter holder is used to position the wire in a vertical direction and then hold it when the cut itself occurs. This is because a movable knife is provided which connects to the feed channel and is reversibly movable in order to separate the piece of wire from the wire.
  • the counter holder prevents the wire from moving upward out of the feed channel when the knife cuts the piece of wire.
  • the feed channel is preferably only open on one side, that is to say on the left or right as viewed in the feed direction.
  • the wire that has not yet been cut to the wire storage device extends over this open side.
  • the invention also relates to a method for clogging a brush by means of a brush tamping machine, characterized by the following steps:
  • a tamping tool which has a tip and an intermediate section supporting the tip, a guide for a tongue being provided in the tip and in the intermediate section which pushes an anchor together with a bundle of bristles into the bristle carrier, the intermediate section having an upper side with a has an anchor feed channel running from the top to the guide of the tongue, Providing an anchor feed that can move anchors laterally to the direction of movement of the tip into a take-over position that lies above the top of the intermediate section,
  • the path must of course also be designed in the method according to the invention in such a way that it carries out a feed movement of the intermediate section in the vertical direction upwards to the fixed anchor.
  • the next anchor is fed either during a movement of the tamping tool or during the tamping process using the previous anchor.
  • the tamping tool is pivoted along a continuously curved path, in particular along a circular arc section, or along a path generated by a parallelogram guide or a link guide.
  • the anchor feeder is optionally a wire feeder which feeds the wire which has not been cut to length transversely (ie at right angles or at an angle) to the direction of movement of the tamping tool and pushes a free wire end over the top of the intermediate section.
  • This free wire end then becomes the later anchor and this free wire end becomes in the moving intermediate section recorded, more precisely in the feed channel.
  • the wire After the wire has been fed, it is optionally bent into a loop and cut off outside the intermediate section, before or while the wire is received in the feed channel of the intermediate section.
  • the wire is cut either immediately before or at the beginning of the bending process.
  • the wire If the wire is not bent, it can enter the feed channel and be cut in the feed channel or the guide channel. In this case, the feed channel is closed upwards by means of a counterholder and the wire is then cut off.
  • the counter-holder is, in particular, a stationary extension on the processing unit, which lies above the wire and can thus close the feed channel at least in sections by moving the intermediate section upwards when it receives the wire.
  • the wire is bent over the intermediate section until the tamping tool is moved into the bundle receiving position, and that the loop produced is held stationary by a bent part during the movement of the intermediate section into the bundle receiving position.
  • the bent part thus has a double function.
  • FIG. 1 shows a schematic perspective view of a first variant of the brush stuffing device according to the invention
  • FIG. 2 shows an enlarged detail of the brush tamping machine according to FIG. 1 in a later manufacturing step
  • FIG. 3 shows the detail of the brush tamping machine according to FIG. 2 in a subsequent process step
  • FIG. 4 shows the detail according to FIG. 2 in an even later process step
  • FIG. 5 shows a schematic perspective view of a second variant of the brush tamping machine according to the invention, here with a bending device in a first method step
  • Figure 6 shows the brush tamping machine according to Figure 5 in a second
  • Figure 7 shows the brush tamping machine according to Figure 5 in a third
  • FIG. 8 shows the brush tamping machine according to FIG. 5 in a fourth
  • Figure 9 shows the brush tamping machine according to Figure 5 in a fifth
  • Figure 10 is a schematic sectional view through the tamping tool of the brush tamping machine according to Figure 5, and
  • Figure 1 1 is a longitudinal sectional view through a variant of the intermediate section in the region of the feed channel.
  • a brush tamping machine which pushes bristles into a bristle carrier 10 with openings and fastened therein by means of an anchor (e.g. anchor plate, wire or wire loop).
  • an anchor e.g. anchor plate, wire or wire loop.
  • a round wire is usually used for loops and a flat wire is usually used for anchor plates.
  • the bristle carrier 10 can be the complete brush body or just a part of the brush body, e.g. a tile or the like. However, this does not change the brush tamping machine and its construction.
  • the brush tamping machine comprises a tamping tool 12, a bristle magazine 14, a bundle pickup 16 which can be pivoted about an axis X and a tongue 18 for tamping.
  • a so-called anchor feed 20 feeds anchor in the direction of arrow A laterally and in plan view at right angles to the stuffing direction to the stuffing tool 12.
  • the armature is a wire 22, which is unwound from a roll and fed via an electric drive 24, in particular a servo drive.
  • the tamping tool 12 sits on a shaft 26 and can be pivoted back and forth about an axis, here a horizontal axis D, from a tamping position shown in FIG. 1 (foremost dead center) to an opposite so-called tuft pick-up position, which is shown in FIG. 4 can be seen and represents the rear dead center.
  • an axis here a horizontal axis D
  • the stuffing tool 12 moves along a curved, non-linear path, here along a circular path section.
  • a curved path can also be used here, e.g. B. via a parallelogram or link guide, that is, not only a shaft 26 is provided with a connecting arm 28 sitting thereon, but the tamping tool 12 is also supported by a second, spaced shaft and a connecting arm.
  • the curved path is designed such that it provides for a vertical upward movement of the stuffing tool 12 from the stuffing position into the bundle receiving position, as will be explained below.
  • the tongue 18 is articulated at its rear end to a connecting arm 30, which is also pivotable about the axis D.
  • Cam rollers 32 allow the connection arms 28, 30 to be controlled, for example via a common camshaft, as is shown in WO 2016/102223 A1.
  • the movement of the tongue 18 is not identical to the movement of the remaining tamping tool, rather the tongue 18 leads the movement between the tamping position and the bundle receiving position of the movement of the remaining tamping tool 12.
  • the tamping tool 12 also includes a tip 34 which can contact the bristle holder 10 or can move very close to its surface when tufts and anchors are pushed in by the tongue 18 which then moves further in the direction of the bristle holder 10.
  • the tip 34 is fastened at its rear end to a so-called intermediate section 36 and can also merge into this in one piece.
  • the tip 34 and the intermediate section 36 have a guide 38 for the tongue 18 in their interior.
  • a feed channel 42 extends from the upper side 40 (see FIG. 2), which extends to the lower-lying guide 38, but ends there, so that a floor is present.
  • the processing unit 46 is fixed in position and is not moved back and forth with the rest of the tamping machine.
  • the processing unit 46 has a through opening for wire 22 which runs in the feed direction A.
  • the tongue 18 In the tamping position according to FIG. 1, the tongue 18 has just reached its foremost position and has tucked a supplied bundle together with the anchor into the corresponding opening of the bristle carrier 10. In this position or shortly after this position, i.e. Before, during or after the tamping tool 12 of the previous cycle for the previously processed armature is retracted, wire 22 is pushed via the drive 24 through the through opening of the processing unit 46 just above the upper side 40.
  • Figure 2 shows the wire end, i.e. the tip 50 of the wire 22, which is already over the top 40.
  • the tongue 18 leads the tip 34 in the return movement.
  • the position of the tip 50 of the wire 22 is matched to the curved path in such a way that the tip 50 reaches the feed channel 42 without any vertical feed movement of the wire 22, as can be seen in FIG. 3. That means the Intermediate section 36 is moved towards the later anchor and, as it were, captures the tip 50 of the wire 22 and receives it in the feed channel 42.
  • the wire 22 is thus transverse to the guide 38 at its height.
  • the tip of the tongue 18 is based on the figures 1 to 4, on the right behind.
  • the bundle pickup 16 which had previously been pivoted back in order to drive along a lateral receiving slot along the bristle magazine and to remove a tuft of bristles, moves forward according to FIG. 3 into a lateral insertion opening 54 (see FIG. 1) between tip 34 and intermediate section 36. The tuft is standing then in front of the anchor and the front end of the tongue 18.
  • the bundle pickup 16 is shortly before it moves back.
  • the tongue 18 has already moved somewhat forward in order to move the wire which has already been cut off and thus the anchor produced in the direction of the bristle tufts and to take them along.
  • wire 22 could already be fed in laterally for the next cycle.
  • the connecting arm 28 then moves the tip 34 forward to the bristle carrier 10.
  • the processing unit 46 can remain stationary.
  • FIG. 10 shows a section through the intermediate section 36 in the region of the guide 38 and the feed channel 42.
  • the wire 22 extends laterally from the guide 38, which is open on one side, to a wire store, here a roller 60, from which the wire 22 is unwound.
  • a counter-holder 62 is provided on the processing unit 46, which is only shown in FIG. 10 and which can close the feed channel 42 upwards when the tip 50 of the wire 22 has reached the guide 38 via the feed channel 42.
  • the counter holder 62 is e.g. a shoulder protruding in relation to FIG. 2 directly above the laterally protruding tip 50 of the wire 22 on the end wall of the processing unit shown.
  • the counter-holder 62 is intended to move the armature, which occurs during the cutting process explained below, upwards and out of the guide 38 prevent. As a result, the counterholder can even optionally press against the tip 50 of the wire 22 from above.
  • a knife 64 movable up and down next to the counter-holder 62 is mounted in the processing unit 46.
  • a knife guide 66 is only shown symbolically. The piece of wire is cut off to form the anchor, preferably in the bundle receiving position.
  • FIGS. 5 to 9 works with an anchor, which is formed from a wire 22, but this wire 22 is bent into a loop 100.
  • the features of the brush tamping machine which has already been explained with reference to the previous figures, can now be dispensed with, because the features and parts, sections and the like which have already been introduced and which are identical, identical or functionally identical, bear the reference symbols already introduced and thus denote them are. As a result, only the essential differences need to be dealt with.
  • connecting arm 30 is not shown in FIGS. 5 to 9, as is the tongue 18, although both are present.
  • magazine 14 and bundle pickup 16 are not shown. However, these are also present, they are designed as in the previous embodiment.
  • processing unit 46 is designed here as a bending device for producing a loop 100 from wire 22.
  • the processing unit is stationary during the movement of the tamping tool 12.
  • the intermediate section 36 is recessed here relative to the tip 34 on the upper side 40; see deepening 37.
  • the bending device comprises a pivotable bending part 70, here in the form of a driven lever.
  • the intermediate section 36 has a slot 80 which, as will be explained in the following, also allows the bent part 70 to be moved in the intermediate section 36 also in the region of the guide 38.
  • the slot 80 consequently extends to the lower-lying guide 38, preferably even somewhat lower than the guide 38.
  • the slot 80 thus extends further forward from the feed channel towards the tip 34.
  • the tamping tool 12 is in the tamping position in which the tongue 18 is in the foremost position.
  • wire 22 can already be fed into a holder 82 during the forward movement of the tip 32, during the tamping of the previous tuft or during the backward movement of the tamping tool.
  • the holder 82 has a guide structure 84 for the wire 22 which is L-shaped in cross section.
  • the guide structure 84 is interrupted by a recess 86 which is aligned laterally (that is to say from above) with the guide 38.
  • the bent part 70 can pivot into the recess 86.
  • the wire 22 is fed laterally along the guide structure 84, in which case it still bridges the recess 86 (see FIG. 6).
  • the bent part 70 is still pivoted forward.
  • the bent part 70 is then pivoted back via a drive and bends the wire 22, more precisely the end of the wire, to a “U” by pivoting into the recess 86.
  • the tip 50 of the wire 22 can be seen in FIG. 7.
  • the wire 22 is cut off by a device as shown in FIG. 10, the processing unit according to FIG. 10 being omitted in FIGS. 5 to 9 for simplification. This results in an anchor in the form of a loop 100, which can be seen in FIG. 9. In this position the loop 100 remains while the stuffing tool 12 swings back according to FIG.
  • the loop 100 is preferably held by the bent part 70, but can also be held in it by its own spring force, its own shape or by an adapted design of the recess 86. In the latter case, the bent part can be swiveled back into its starting point immediately after bending
  • the intermediate section 36 is moved towards the processing unit 46 such that the armature reaches the guide 38 via the feed channel 42.
  • the bent part 70 is immersed in the slot 80 (more precisely, the slot 80 was brought up to the bent part 70).
  • the bent part 70 is then pivoted forward so that it lies over the top 40 of the intermediate section 36.
  • the tufts of bristles are added and the tongue 18 can be moved forward, as can the tip 34.
  • wire 22 can already be tracked. This means that there is an enormous amount of time available for the bending and cutting process, which reduces the cycle time and allows the speeds of the tongue and the tip to be reduced, as well as the feed speed for the wire and the speed of the moving parts in the processing unit. All of this ensures significantly smoother running and less wear, even with increased cycle rates.
  • the counter-holder 62 can optionally also be omitted.
  • the counter-holder can also be designed as in the previous embodiment, for example if the bent part 70 has an upward step on its side opposite the loop 100 produced, which can act as a stop against movement of the wire when the knife 64 cuts.
  • the path that the stuffing tool 12 executes can not only be a circular path or a circular path section, but rather a somewhat differently shaped path with a constant curvature that increases the vertical movement of the intermediate section 36 upwards the anchor.
  • anchor plates can also be fed in laterally. However, this changes the
  • the depression 37 can be clearly seen in FIGS. 5 to 9, because the intermediate section 36 has a higher one starting from the rear
  • Section 102 Section 102 and then the recess 37 toward the tip 34.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Bridges Or Land Bridges (AREA)
  • Sealing Devices (AREA)

Abstract

L'invention concerne une machine à insérer les soies dans une brosse comprenant un outil d'insertion (12) pourvu d'une pointe (34) et d'une partie intermédiaire (36) portant la pointe (34). L'outil d'insertion (12) est animé d'un mouvement de va-et-vient le long d'une bande non linéaire. Pendant le mouvement arrière de l'outil d'insertion (12), un ancrage se trouvant déjà dans sa position de réception est retenu de manière stationnaire, pendant que la partie intermédiaire (36) est déplacée en direction de l'ancrage et loge l'ancrage dans un canal d'amenée (42).
EP19801497.9A 2018-10-30 2019-10-29 Machine à insérer les soies dans une brosse et procédé d'insertion Active EP3873298B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE20185758A BE1026347B1 (de) 2018-10-30 2018-10-30 Bürsten-Stopfmaschine und Verfahren zum Stopfen
PCT/EP2019/079564 WO2020089247A1 (fr) 2018-10-30 2019-10-29 Machine à insérer les soies dans une brosse et procédé d'insertion

Publications (2)

Publication Number Publication Date
EP3873298A1 true EP3873298A1 (fr) 2021-09-08
EP3873298B1 EP3873298B1 (fr) 2022-11-23

Family

ID=64453256

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19801497.9A Active EP3873298B1 (fr) 2018-10-30 2019-10-29 Machine à insérer les soies dans une brosse et procédé d'insertion

Country Status (7)

Country Link
EP (1) EP3873298B1 (fr)
CN (1) CN112930129B (fr)
BE (1) BE1026347B1 (fr)
BR (1) BR112021006073A2 (fr)
ES (1) ES2934864T3 (fr)
TW (1) TWI803708B (fr)
WO (1) WO2020089247A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1156411A (en) * 1966-07-18 1969-06-25 Evans & Son Ltd J Filler Tool for a Brush making Machine
DE29716874U1 (de) * 1997-09-19 1999-01-28 G.B. Boucherie N.V., Izegem Antrieb für Stopfwerkzeug einer Bürstenherstellungsmaschine
DE202005020231U1 (de) * 2005-12-27 2006-03-30 Firma G.B. Boucherie N.V. Bürsten-Stopfmaschine
DE102011010033A1 (de) * 2011-02-02 2012-08-02 Zahoransky Ag Vorrichtung zum Stopfen von Borstenbündeln in Bündelaufnahmelöcher eines Trägerkörpers
BE1023541B1 (de) * 2014-06-05 2017-04-28 Bart Gerard Boucherie Bürstenstopfvorrichtung
BE1022749B1 (de) * 2014-12-22 2016-08-29 Gb Boucherie Nv Bürsten-Stopfmaschine
DE102016107334B4 (de) * 2016-04-20 2020-03-19 Gb Boucherie Nv Bürsten-Stopfmaschine und Stopfzunge

Also Published As

Publication number Publication date
BR112021006073A2 (pt) 2021-07-20
TW202025943A (zh) 2020-07-16
CN112930129B (zh) 2022-10-14
EP3873298B1 (fr) 2022-11-23
WO2020089247A1 (fr) 2020-05-07
TWI803708B (zh) 2023-06-01
CN112930129A (zh) 2021-06-08
ES2934864T3 (es) 2023-02-27
BE1026347B1 (de) 2020-01-08

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