EP3618667A1 - Buerstenstopfvorrichtung - Google Patents
BuerstenstopfvorrichtungInfo
- Publication number
- EP3618667A1 EP3618667A1 EP18721968.8A EP18721968A EP3618667A1 EP 3618667 A1 EP3618667 A1 EP 3618667A1 EP 18721968 A EP18721968 A EP 18721968A EP 3618667 A1 EP3618667 A1 EP 3618667A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cam
- axis
- rocker
- tools
- cams
- 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
Links
- 238000009732 tufting Methods 0.000 title abstract 3
- 230000033001 locomotion Effects 0.000 claims description 44
- 230000001680 brushing effect Effects 0.000 claims description 9
- 238000005461 lubrication Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 8
- 230000003278 mimic effect Effects 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000000969 carrier Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000014616 translation Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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
-
- 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
Definitions
- the brush filling device The brush filling device
- the invention relates to a brushing device with at least one stuffing tool.
- Brush tamping devices serve to insert one or more bristles or bristle tufts into associated openings in a bristle carrier or magazine.
- the Bürstenstopfvorraum can be designed so that it works with or without anchor. That is, in the case of attachment via anchors, the bristle or bristle tuft is folded into a U and an anchor (a wire loop or a type of knife) engages the central web of the U and drives the folded bristle or folded bristle tufts into the opening cuts into the opening wall to anchor the bristle or bristle tufts in the opening.
- the stuffing tool for this stuffing process includes several sub-tools, which are responsible for individual steps. These sub-tools for the individual steps and their movements, be it the separation movement of a circular arc segment on a bristle magazine, the movement for feeding the armature, the movement for forming the wire loop, the movement of the so-called bundle racket, the movement of the tool slide or the movement of the so-called tongue for the insertion of the armature, to name a few, all are derived from a rotational movement of one or more motor shafts. For this purpose, usually cams and subsequent intermediate gear are provided.
- intermediate gear in the following, inter alia, coupling gear, lever mimics, crank gear, cam gear, gear train such as gear, Reibrad-, chain or belt gear, and roller gearbox, via which a rotary motion is converted into a reciprocating motion
- individual sub-tools are individual servomotors that replace the cams.
- the cams are usually exposed due to their size. The size of the cam is mainly determined by the stroke. Due to this open design results in a relatively high noise and light pollution by loose bristles and dust. The lubrication of the cam surfaces is relatively problematic because the oil would fly away due to the high speeds. Due to the high moving masses oscillations occur throughout the system, which must be controlled.
- the object of the invention is to provide a Bürstenstopfvorraum, which is characterized by a high number of revolutions, a reduced noise level, low maintenance and a relatively small size. In addition, vibrations are to be reduced.
- cams are designed similarly to discs or rollers that extend radially to the camshaft. However, the peripheral surfaces of these discs or rollers are seen in side view obliquely.
- the cam followers ensure that the rocker is always positioned precisely, because Preferably both cam followers are permanently on their associated cam surfaces.
- the cam followers are rollers which are mounted on the rocker. These rollers can have a relatively large diameter and thus absorb large forces.
- the rollers should sit on the same central axis and in particular have the same diameter.
- the imaginary axis of rotation of the rocker axis runs in particular in its own radial plane to the axis of rotation of the cam, d. H. it does not intersect the radial plane but lies in the radial plane. This reduces the manufacturing effort for the cam surfaces.
- the rocker axis may be coupled at its two opposite end portions each with its own intermediate gear, so that two outputs can be derived from a rocker. This creates additional possibilities to derive several movements from a compact, central transmission.
- the stuffing device may be a multiple stuffing device with two or more stuffing tools for simultaneously stuffing two or more more brushes, wherein each of the two stuffing tools is provided for processing a separate brush, so that two or more brushes are produced simultaneously.
- the structural complexity and cost are thus significantly reduced compared to previous Bürstenstopfvorraumen.
- a drive motor and gearbox provide at least twice the output of brushes.
- a plurality of drive pairs are provided on the camshaft whose output shafts actuate further sub-tools.
- a camshaft With a camshaft, several or all tools and their sub-tools, which are provided in a stuffing device, drive.
- all camshafts may be coupled to pairs of identical part tools to machine two brushes simultaneously.
- the at least one camshaft is preferably accommodated in a housing, from which at least one end of the at least one output shaft, preferably both ends of the output shaft or output shafts protrude, in order then to be coupled outside the housing with the intermediate gear.
- the housing is preferably a closed housing, so that the transmission is protected from dirt and can have an integrated lubrication. This also reduces maintenance. In addition, the noise emission is lower.
- the lubrication in the housing can be splash lubrication, so that the cam surfaces run in an oil bath.
- an internal or external oil pump can be provided, is pumped by the oil targeted to the cam surfaces, or it can be provided a built-in paddle wheel, which transports oil from the oil sump to predetermined locations of the transmission.
- Represent part tools can be driven by a separate drive pair.
- the two cams of a drive pair can also be stabilized by an intermediate wall to each other, in which case even the intermediate wall can so one piece in the two cams, that optionally even the two camming surfaces pass smoothly into the intermediate wall.
- the individual cam surfaces are defined in this case by the track of the cam followers.
- FIG. 1 shows a schematic, schematic view of a part of the stuffing device according to the invention, but without a drive
- Figure 2 is a perspective side view of a variant of the invention Bürstenstopfvorides with drive and gearbox;
- Figure 3 is a schematic representation of the interior of the transmission of Figure 2;
- FIG. 4 shows an alternative embodiment of the transmission according to FIG. 3.
- FIG. 1 shows a brushing device with a stuffing tool 8 with a plurality of part tools.
- the stuffing device comprises a drum 10 with a plurality of holders for bristle carrier 12, a bristle magazine 14, a so-called bundle pickup 16 as a part tool and a tongue 18 for plugging as another part tool.
- a supply device 19 (likewise a partial tool) symbolically represented by an arrow is present for so-called armatures 20, for example in the form of a wire loop or a metal plate (also called a knife).
- Bristle carriers 12 for example platelets with openings, which later are part of the finished brush, or bristle carriers in the form of a complete brush body as shown in FIG. 1 are stuffed into the brush-filling device.
- the drum 10 is in the present example designed as a rotating holding tool, in which a plurality of bristle carriers 12 are accommodated on a carrier 26 rotatable about an axis 24, which are fed and taken off the carrier 26 at certain positions and are stuffed in one position.
- the bristle carrier is moved by moving the carrier 26 in two axes, so that always the next to be stuffopfende opening to the next, brought bristle tufts opposite.
- the bristle magazine 14 comprises a bearing with juxtaposed, mechanically biased bristles 28.
- the pivotable about a vertical axis 30 bundle pickup 16, which comprises a plate-shaped arc segment moves along the magazine 14 with the bristles 28 and takes a bundle by the bundle taker 16th at its along outer edge has a notch 32, in which a bristle tufts is pressed.
- the stuffing tool itself comprises a traveling slider 34 (which is a part tool) with a tip 36 reciprocated between a bundle take-up position and a stuffing position shown in FIG. This movement is represented by the double arrow. The movement can take place along a linear axis or a circular arc segment.
- the tip 36 contacts the bristle carrier 12 or stops near its surface.
- the tip 36 In the bundle transfer position, the tip 36 is located on the dotted line 44.
- the stroke of the tip 36 is usually adapted to the length of the bristle material. For toothbrushes, this stroke would be up to 20 mm, for brooms significantly more (for example 100 mm).
- a slot-like guide is provided, along which the tongue 18 is reciprocated.
- the anchor With retracted tongue 18 (see arrow on the feeder 19), the anchor can be inserted in front of the front end of the tongue 18 via a side slot in the guide groove.
- Tufts are supplied in such a way that, as is known in the art, the tufts are folded and at the lower end of the "U" -shaped folded bristle tufts the armature 20 comes to rest Then the tongue 18, the unit of folded Push the bristle tufts and anchors 20 towards the tip 36 and finally push them into the corresponding opening.
- the individual work steps are carried out by so-called sub-tools.
- All movements are extremely fast back and forth movements, which must be precisely coordinated with each other in some cases more than 1000 cycles per minute.
- This tuning of the individual movements can be done by a mechanical coupling of the individual moving parts, as described below.
- the Bürstenstopfvoroplasty is shown with drive. It is a Mehrfachstopfvorraum, here a Doppelstopfvorraum, in which an upper stuffing tool 50 and a lower stuffing tool 52 at the same time pick a brush.
- the individual sub-tools can be made identical for the upper and lower stuffing tools 50, 52, so that two sets of tools result (depending on the top and bottom).
- the parts already shown and described in connection with Figure 1 retain their reference numerals. Some parts in Figure 1, which is intended as a schematic overview representation are not shown to increase the clarity in Figure 2. In particular, the parts of the drive are shown in FIG. 2, but not in FIG. 1.
- the drive for all movements of the individual sub-tools, which are reciprocable, comprises a rotary motor 54 and a driven thereby gear 56 with an outer housing 58, which is closed. From the outer housing 58, a plurality of output shafts 60 to 68 come out, with its two opposite ends.
- the upper ends which are provided with the reference numerals in FIG. 2, are provided for driving the numerous sub-tools of the upper stuffing tool 50 and the opposite lower ends of the output shafts 60 to 68 for driving the sub-tools of the lower stuffing tool 52.
- the output shafts 60 to 68 make a rotational movement, not a circumferential rotational movement, but a rotational movement over angle ⁇ 360 °, wherein they alternately clockwise and counterclockwise to be moved back and forth, as will be explained below with reference to Figures 3 and 4.
- Each output shaft 60 to 68 drives its own intermediate gear, here in each case in the form of a lever mimic. This will be explained with reference to the output shaft 60.
- the output shaft 60 drives the lever mimic with a first lever 70 and a second lever 72 pivotally attached thereto.
- the lever 72 in turn is coupled directly or indirectly to the tongue 18.
- the output shaft 60 is responsible for the reciprocation of the tongue 18 and the corresponding lever mimic sets the ever-changing rotational movement of the output shaft 60 in a substantially linear or even web-shaped reciprocating motion of the tongue 18.
- the other sub-tools of the brush-filling device described below are also driven by corresponding own output shafts 60 to 68.
- the output shaft 62 is responsible for the movement of the slider 34.
- a lever mimic 76 is provided which translates the rotational movement of the output shaft 64 in a reciprocating motion.
- the output shaft 64 is responsible for the so-called bundle racket 77.
- the corresponding lever mimic 78 is indicated in FIG.
- the bundle beater 77 serves to knock out an excess bristle tuft from the tip 34 when the total stroke of the tip 34 is so short that the bristle tuft already stuffed into the opening in the bristle carrier 12 still partially seats in the tip 34 in the retracted position.
- the output shaft 66 is a drive for forming the loops of the armature, as will be explained with reference to Figure 5.
- the output shaft 68 is provided. If the output shaft 68 coincides exactly with the axis 30, no translations or lever mimics are necessary here.
- the transmission 56 is shown in its interior.
- the rotary motor 54 is coupled to a camshaft 80, from which all movements for the output shafts 60 to 68 are tapped.
- camshaft 80 For each of the output shafts 60 to 68 80 own drive pairs of cams 82 to 100 are provided on the camshaft, which extend in an associated radial plane R to the axis of rotation A of the camshaft 80.
- This of course does not mean that the cams have only an infinitely small thickness, they are rather disc-shaped and extend along the radial plane to the outside, ie, they are not helical cams, but aligned as flat discs perpendicular to the axis A.
- the radial plane R is the plane of a cam 82 to 100 which passes centrally therethrough in relation to the thickness of the cam.
- Each cam 82 to 100 has a peripheral surface, hereinafter referred to as cam surface 102, 104 (for clarity, only the cam surfaces 102, 104 are provided with reference numerals).
- the cam surfaces 102, 104 extend predominantly obliquely inclined to the radial plane R, but there are also portions on the circumference, which are parallel to the axis A, which can be seen from the sections 106, 108 on the cam 94, 96. However, these portions are only transition portions between obliquely inclined to the radial plane extending portions of the cam surface.
- each cam 82 to 100 has a left-inclined portion and a subsequent right-inclined portion and, in between, the transition portions parallel to the axis A corresponding to the portions 106, 108.
- cam follower in the form of rollers 1 10, 1 12, which are mounted on the opposite, lateral arms of a rocker 1 14.
- the rocker 1 14 has a rocker axis with an imaginary, central axis of rotation 1 16, which lies between the radial planes R of a drive pair of cams.
- the rocker axis at the same time forms the output shaft 60.
- the remaining output shafts 62 to 68 are correspondingly the rocker axes of the rockers 1 14 provided therein.
- FIG. 3 it can be seen that bearing pieces on the rocker axes or, in other words, the output shafts 60 to 68 1 18 are attached so that the Attachment and storage of rollers 1 10 and 1 12 is simplified and made possible.
- the central axes M of the rollers 1 10, 1 12 of each pair of rollers of the corresponding rocker 1 14 coincide.
- the rollers 1 10, 1 12 also have identical diameter and at the same time on the cam surfaces 102, 104 of their respective cam 82, 84 on.
- cam surfaces 102, 104 lie in each axial section through the axis A on a straight line G.
- these straight lines G are shown in Figure 3.
- This orientation of the cam surfaces 102, 104 and cam surface portions is allowed that the respective rocker 1 14 is free of play, while their rollers 1 10, 1 12 roll on the cam surfaces.
- Axis spaced sections around.
- the cams are arranged and have for each drive pair such dimensions and eccentricities that the rollers 1 10, 1 12 are in permanent contact with the respective cam surface 102, 104.
- the dimensions of the cams must also be chosen so that the rocker 1 14 would not be removed with its axis of rotation 1 16 different distances from the axis A, on the one hand not to be pressed outward and on the other hand permanently on the rollers 1 10, 1 12th To contact the cam surfaces 102, 104.
- the intersections of all lines G on the circumference of the cams of a drive pair with a radial plane R ', in which the axis of rotation 1 16 of the associated rocker 1 14 is formed form a circle.
- cam surfaces 102, 104 By aligning the cam surfaces 102, 104 once to the left and in other sections to the right tilts the associated rocker 1 14 once clockwise and anti-clockwise once. Corresponding double arrows in Figure 3 illustrate this. This pivoting of the rocker axis in opposite pivot directions ensures the later back and forth Movement of the associated sub-tools.
- Each cam surface 102, 104 is solely responsible for the movement in one direction of rotation.
- rollers 1 10, 1 12 run only on the peripheral surfaces (cam surfaces) and not on side surfaces of the cams, as may be the case with globoidgetrieben. These also have a helical cam shape, whereas the cam shape in the invention is disc-shaped, with oblique peripheral surfaces.
- an oil lubrication is present, either with a pump or vanes, scrapers or the like.
- the embodiment according to FIG. 4 corresponds functionally to the embodiment according to FIG. 3.
- the two cams 82, 84 are integrally connected to an intermediate wall 120.
- the intermediate wall 120 continues the cam surfaces 102, 104 of the cams 82, 84 without leaving any chamfers, so that the impression of only one cam is produced.
- the intermediate wall 120 has no functional significance for the output shaft.
- the cams 82, 84 are the portions of the "entire" cam on which the rollers 1 10, 1 12 roll.
- FIGS. 5 a) to d a non-restrictive example is shown of how armatures 20 are fed and deformed in the case of wire loops.
- the tongue 18 is in the forward position.
- the armature 20, here in the form of a straight piece of wire is supplied laterally via a reciprocating motion, which can also be derived from the drive.
- the reference numeral 140 denotes a bent part and the reference numeral 180 a deformation pin.
- the bent part 140 is pushed forward in the direction of the arrow (also this movement can or will be derived from the drive).
- the armature 20, here the wire piece is bent into a U-shape due to the shape of the front end of the bending part 140 and a corresponding complementary shape of the deformation pin 180 (see FIG. 5 b)).
- the two individual stuffing tools 50, 52 may be equipped with identical or identical lever mimics, so that the production of the brushing device is greatly simplified. In addition, the device is extremely compact and quiet.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Brushes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017109365.6A DE102017109365B3 (de) | 2017-05-02 | 2017-05-02 | Bürstenstopfvorrichtung |
PCT/EP2018/059947 WO2018202427A1 (de) | 2017-05-02 | 2018-04-18 | Buerstenstopfvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3618667A1 true EP3618667A1 (de) | 2020-03-11 |
EP3618667B1 EP3618667B1 (de) | 2021-02-24 |
Family
ID=62111024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18721968.8A Active EP3618667B1 (de) | 2017-05-02 | 2018-04-18 | Buerstenstopfvorrichtung |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP3618667B1 (de) |
CN (1) | CN110636777B (de) |
BR (1) | BR112019022846A2 (de) |
DE (1) | DE102017109365B3 (de) |
ES (1) | ES2868143T3 (de) |
TW (1) | TWI759474B (de) |
WO (1) | WO2018202427A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019125692A1 (de) * | 2019-09-24 | 2021-03-25 | Borghi S.P.A. | Borstenmagazin für eine Bürstenstopfmaschine |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1145139B (de) | 1960-05-13 | 1963-03-14 | Herbert Schmidt | Automatische Buerstenfertigungsmaschine |
DE1230394B (de) | 1965-06-02 | 1966-12-15 | Zahoransky Anton Fa | Schaltvorrichtung zum Verstellen von Buersten-koerpertraegern an Buerstenherstellungsmaschinen |
DE29716874U1 (de) * | 1997-09-19 | 1999-01-28 | G.B. Boucherie N.V., Izegem | Antrieb für Stopfwerkzeug einer Bürstenherstellungsmaschine |
JP4715762B2 (ja) * | 2007-02-06 | 2011-07-06 | マツダ株式会社 | エンジンの可変動弁装置 |
IT1395946B1 (it) * | 2009-10-15 | 2012-11-02 | Borghi S P A | Testa di punzonatura per un apparato per la produzione di spazzole o scope con punzone a corsa variabile |
CN202233784U (zh) * | 2011-08-31 | 2012-05-30 | 扬州市海星数控制刷设备有限公司 | 一种立式扁丝机 |
CN202354734U (zh) * | 2011-11-28 | 2012-08-01 | 扬州市海星数控制刷设备有限公司 | 一种植毛机 |
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 |
CN104510158B (zh) * | 2014-12-26 | 2016-08-17 | 台州市路桥鸿跃机械厂(普通合伙) | 植毛机机头以及植毛机 |
CN205885024U (zh) * | 2016-07-04 | 2017-01-18 | 台州市路桥鸿跃机械厂(普通合伙) | 植毛机及机头驱动机构 |
-
2017
- 2017-05-02 DE DE102017109365.6A patent/DE102017109365B3/de active Active
-
2018
- 2018-04-18 EP EP18721968.8A patent/EP3618667B1/de active Active
- 2018-04-18 ES ES18721968T patent/ES2868143T3/es active Active
- 2018-04-18 CN CN201880029377.6A patent/CN110636777B/zh active Active
- 2018-04-18 BR BR112019022846-2A patent/BR112019022846A2/pt not_active Application Discontinuation
- 2018-04-18 WO PCT/EP2018/059947 patent/WO2018202427A1/de unknown
- 2018-05-01 TW TW107114773A patent/TWI759474B/zh active
Also Published As
Publication number | Publication date |
---|---|
CN110636777B (zh) | 2021-06-08 |
WO2018202427A1 (de) | 2018-11-08 |
TW201842868A (zh) | 2018-12-16 |
ES2868143T3 (es) | 2021-10-21 |
BR112019022846A2 (pt) | 2020-05-26 |
CN110636777A (zh) | 2019-12-31 |
DE102017109365B3 (de) | 2018-08-16 |
TWI759474B (zh) | 2022-04-01 |
EP3618667B1 (de) | 2021-02-24 |
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