EP3876790A1 - Bündelvereinzelner eines bürstenstopfwerkzeugs - Google Patents
Bündelvereinzelner eines bürstenstopfwerkzeugsInfo
- Publication number
- EP3876790A1 EP3876790A1 EP19801821.0A EP19801821A EP3876790A1 EP 3876790 A1 EP3876790 A1 EP 3876790A1 EP 19801821 A EP19801821 A EP 19801821A EP 3876790 A1 EP3876790 A1 EP 3876790A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bundle
- customer
- separator according
- magazine
- recess
- 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
- 230000007704 transition Effects 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 5
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D3/00—Preparing, i.e. Manufacturing brush bodies
- A46D3/04—Machines for inserting or fixing bristles in bodies
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/08—Preparing uniform tufts of bristles
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D3/00—Preparing, i.e. Manufacturing brush bodies
- A46D3/04—Machines for inserting or fixing bristles in bodies
- A46D3/042—Machines for inserting or fixing bristles in bodies for fixing bristles using an anchor or staple
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D3/00—Preparing, i.e. Manufacturing brush bodies
- A46D3/08—Parts of brush-making machines
- A46D3/082—Magazines for bristles; Feeding bristles to magazines; Knot picking
Definitions
- the invention relates to a bundle separator of a brush stuffing tool, with a bundle remover which can be pivoted back and forth about an axis between a transfer position on a stuffing tool and a pivoted-back position, and with an outside and a recess on the outside along a bristle magazine drives and receives a bundle in the recess, the outer side having a front section extending from the recess toward the front end and a rear section extending from the recess toward the rear end, and in the direction of movement towards the transfer position Magazine to the bristle magazine is a scraper with a complementary concave surface to the outside of the bundle collector, the front section being in the form of a segment of a circle.
- Such brush tamping tools have crescent-shaped bundle removers which can be pivoted along a usually vertical axis and separate bundles pressed into their recesses by the pretension in the bristle magazine when the recess is closed by the stripper. You can think of these strippers as a knife that separates the bundle in the recess from the rest of the magazine.
- the object of the invention is to improve a bundle separator according to the prior art in such a way that it has a high level of functional reliability and is characterized by lower wear.
- the present invention takes a diametrically different approach than in the prior art, since the end of the magazine, with which the bristles in the recess are separated from the bristles in the bristle magazine, is not tapered, but is blunt. This would normally mean that bundles always remain in the resulting gusset between the end and the outside of the segment of a circle. Bristles would increasingly press into this gusset if the bundle collector was moved back and forth several times. In the invention, however, these bristles located in the aforementioned gusset are pressed out by a pick-up extension while the bundle pick-up is still moving forwards and into the magazine. The customer extension does this because it projects further outwards than the front section, the outside of which forms a segment of a circle.
- the customer extension When viewed from above, the customer extension runs in a constant curvature, which means that there is no shoulder or step on which bristles could get caught.
- a short intermediate section on the bundle collector in which the outside is in the form of a segment of a circle and is provided with the same radius as in the front section. This ensures that the recess has first been moved a little along the complementary counter surface before the bristles can be pushed back out of the aforementioned gusset.
- the customer extension preferably runs offset to the stripper in the axial direction, which is defined by the pivot axis.
- the pick-up extension thus does not come into collision with the counter surface, but can also move along the counter surface, that is to say along the top and / or along the underside of the stripper, during the movement.
- the collector extension When the bundle collector is pivoted, the collector extension thus grips over or under the stripper.
- the customer extension can only be present on one side of the scraper, or two customer extensions can be provided, so that the bundle customer has a U-shaped cross section in the region of the customer extensions.
- the scraper is then picked up between the legs of the "U" when the bundle collector has been pivoted far enough.
- the customer extension should protrude radially outwards so far that when it reaches the blunt end on the magazine side when swiveled, it completely covers the end when viewed from above. This ensures that the aforementioned gusset is no longer present and is closed by the customer extension (s). All material in the gusset, that is, all the bristles located therein, are thereby pushed back into the magazine.
- the customer extension can be a separate part which is attached to a plate-shaped base body of the bundle customer.
- the front section preferably also the recess, is formed on this base body.
- the customer extension is then applied to the top or the bottom of the base body.
- the customer extension or the customer extensions can be an integral part of the base body. If there are two customer extensions, one can lie as a separate part on the top of the base body and be fastened there, and a separate part, which forms the other customer extension, can be present on the bottom of the base body. Seen from above, the two customer extensions should have the same outer contour, at least in the area in which they travel along the magazine.
- the bundle separator according to the invention shows its advantages not only in the case of a single magazine, but also in the case of several magazines arranged next to one another. In this case it is particularly important that no bristles remain in the gusset mentioned above. Because if z. B. is first removed from a magazine and then this magazine is moved away and another is added, it could be that bristles with a different property remained in the gusset, which could then get into the recess and would cause rejects.
- a plurality of magazines are arranged side by side, which can be moved laterally relative to the stripper, so that the bundle collector can remove bristles from a plurality of magazines.
- the stripper preferably at least partially closes the removal opening of at least one magazine.
- the aforementioned blunt end protrudes in front of the open side of at least one magazine in order to partially close it. If there are several magazines, the scraper can also close a magazine that is not in operation, which is adjacent to the bristle magazine that is currently open for removal.
- the scraper is in particular plate-shaped.
- a further embodiment of the invention provides that the scraper becomes increasingly narrower towards the end of the scraper on the magazine side and is defined on the one hand by the complementary counter surface and on the other hand by an oppositely directed boundary surface which faces away from the bundle consumer and preferably faces an adjacent magazine.
- the end face which defines this end on the wiper preferably extends at 80 ° -100 ° to a tangent to the counter surface at the transition from the counter surface to the end surface.
- this end face is particularly flat. However, this is not to be understood as restrictive, of course there may also be a slight radius.
- FIG. 1 shows a schematically illustrated brush stuffing tool with a bundle separator that is not shown in full
- FIG. 2 shows a plan view of a bundle separator according to the prior art
- FIG. 3 shows a bundle separator according to the invention in plan view according to a first position
- FIG. 4 the bundle separator according to FIG. 3 in a second, subsequent position
- FIG. 5 the bundle separator according to FIG. 3 in an even later position
- FIG. 6 shows the bundle separator in the position according to FIG. 3 in a perspective view according to the positions in FIG. 3,
- FIG. 7 the bundle separator in a perspective view according to the position according to FIG. 4,
- FIG. 8 the bundle separator in a perspective view according to the position according to FIG. 5,
- FIG. 9 shows the bundle separator according to the invention with a multiple bristle magazine.
- FIG. 1 shows a brush stuffing tool which pushes bundles of bristles 18 into a bristle carrier 14 by means of a reversibly movable tip 10 and a stuffing tongue 12.
- the bundles are removed from one or more bristle magazines 16 and separated, the standing bristles 18 being biased in a direction A towards a bundle pickup 20 of a bundle separator 22.
- the bundle pickup 20 can be reversibly pivoted about a preferably vertical axis X in order to feed individual bundles to the tamping tool by a pivoting movement in the direction of the arrow Y.
- the bundle separator 22 is shown in more detail according to the prior art.
- it also includes a stripper 24.
- the bundle separator has an outer side 26 facing the bristle magazine 16 and the bristles 18, which represents a segment of a circle around the axis X.
- the bundle collector 20 On the outside 26, the bundle collector 20 has a recess 28 which, when the recess is directly open to bristles 18 in the bristle magazine 16, receives a bundle of bristles 18.
- the bundle collector 20 moves with the bundle it has taken along the remaining bristles 18 in the bristle magazine 16 until it reaches the stripper 24.
- This scraper 24 has a so-called magazine-side end 30, which forms a transition from a concave counter surface 32 to an oppositely directed boundary surface 34.
- the counter surface 32 can protrude up to the open side of the magazine 16 and there also prevent the bristles 18 pressed towards the bundle collector 20 from moving.
- the end 30 is essentially blunt and runs parallel to the so-called boundaries 36 of the bristle magazine 16.
- a gusset 38 marked with an arrow which is shown by an extension of the boundary surface 34, the outer side 26 and also shown with broken lines an end face 40 of the scraper 24 is defined at the end 30.
- this gusset 38 by the pivoting movement of the bundle collector 20 on the one hand and by the pretensioning of the bristles 18 on the other hand 16 bristles are pressed in the bristle magazine and there very strongly condensed. For this reason, in the prior art, this gusset 38 is also closed by a pointed end 30 of the wiper 24,
- FIGS. 3 to 8 A bundle separator according to the invention is shown in FIGS. 3 to 8, in which only the differences from the bundle separator according to FIG. 2 are described below, so that reference is made to the previously used reference numerals, which continue to denote the same or functionally identical parts, sections, surfaces, etc. .
- the magazine 16 is not shown in FIGS. 3 to 8, which, however, also projects downward from the boundary surface 34, based on the drawings, and adjoins the latter.
- the special features of the bundle separator are generated, among other things, by the fact that on the one hand the stripper 24 has a blunt end 30.
- the gusset 38 is not closed, cf. Figure 2.
- the end 30 is defined by an end face 40, which is preferably flat and is at an angle a of 80 ° to 100 ° to a tangent to the circular segment-shaped concave counter surface 32. The tangent is created at the transition from the counter surface 32 to the end surface 40.
- the angle a is measured on the side which is covered by the stripper 24 at least in sections in a plan view.
- the scraper 24 tapers towards the end 30 increasingly narrower, this tapering region 42 being defined by the counter surface 32 and the boundary surface 34.
- a second wiper 44 can be provided.
- the bundle collector 20 is divided into two sections with respect to its outside 26, namely a front segment 48 in the form of a circular segment, which has the radius up to the pivot axis X and extends from the recess 28 to the front end 50.
- a so-called rear section 52 which runs from the recess 28 to the rear end 54.
- the rear section 52 has a so-called pick-up extension 56, that is to say a section in which the outer side 26 projects radially outward beyond the radius of the front section 48.
- pick-up extension 56 that is to say a section in which the outer side 26 projects radially outward beyond the radius of the front section 48.
- an intermediate section 58 can optionally also be present on the outside 26 between the recess 28 and the customer extension 56, in which intermediate section 58 the outside 26 still has the radius that the front section 48 also has.
- the customer extension 56 runs in a continuous curvature and also continuously curved into the intermediate section 58, that is to say the entire outer side 26, except for the recess 28, has only a continuous curvature.
- the outside 26 can also protrude further to the rear end 54 than the front section 48. This means that the customer extension 56 can extend very far to the rear, even up to the end 54. In any case, the customer extension 56 should be on the circumference of the bundle customer 20 extend to the end 54 so that when the bundle collector 20 is pivoted completely forward, the customer extension 56 still covers the end 30.
- the customer extension 56 extends so far radially outward that it completely covers the end 30 and thus the end face 40 when viewed in plan view, when the bundle customer 20 is pivoted a little forward so that the Depression is already closed by the counter surface 32.
- the stripper 24 is plate-shaped.
- the bundle collector 20 has a base body 60 which is, for example, plate-shaped and whose thickness corresponds to the thickness of the stripper 24.
- the bundle pickup 20 thus has a U-shaped cross section in the rear section 52, with a lying “U”.
- the parts 62 take the edge of the scraper 24 forming the counter surface 32 between them (see FIG. 8). Due to the axial offset of the parts 62 and thus the customer extensions 56, it is possible that the end 30 is covered by the customer extensions 56 in plan view and the end face 40 is no longer visible.
- the base body 60 can have the same radius in the rear section 52 as in the front section 48.
- the customer extension 56 is then formed only by corresponding sections of the part 62, here the parts 62.
- the bundle collector 20 is made in one piece, that is, the base body 60 merges into the part (s) 62.
- bristles 18 press against the outside 26 of the bundle collector 20, which, so to speak, closes the front end of the magazine 16. Bristles penetrate into the recess 28 and fill it.
- the bundle pickup 20 is pivoted forward about the axis X. As soon as the end 30 is reached, the recess 28 is closed and the separated bundle is transported further along the counter surface 32 until a corresponding receptacle in the tip 10 is reached.
- the customer extension (s) 56 have reached the end 30 and because of the continuously increasing, increasing Push the radius more and more radially outwards when pivoting further in the area of the end 30, press the bristles in the gusset in the direction of arrow B in FIG. 5 out of the closing gusset back into the bristle magazine 16.
- the customer extensions 56 move, so to speak, like a wedge over / under the gusset to close it.
- the distance between the outer side 26 in the rear section 52 increases steadily as the pick-up extension 56 is reached, until the end face 40 is completely covered in plan view. Thereafter, the radius of the customer extension 56 no longer has to be increased and can remain constant, for example up to the end 54.
- the bundle pickup 20 is designed as in the embodiment according to FIGS. 3 to 8, that is to say there is still one pickup extension or a plurality of pickup extensions 56 are present.
- first magazine 16 and a second magazine 1 16 which directly adjoin one another and contain different bristles 18, 1 18.
- the two magazines 16, 1 16 are about an axis C, which is parallel to the axis X can run, pivoted. In Figure 9, the axis C is shown closer to the bundle pickup 20 than it actually is. Otherwise it would not be visible on the figure.
- boundary surface 34 and the corresponding boundary surface 134 of the second wiper 44 are concave and have a radius in plan view that extends up to the C axis.
- a motor drive swivels the two magazines 16, 1 16 in a clockwise direction until the bristles 1 18 are in a corresponding position and can be pressed into the recess 28 when the bundle collector is slid along.
- the magazines 16, 16 are pivoted at a point in time when the customer extension (s) 56 cover the end 30 and the gusset, so that bristles 18 no longer lie in the gusset. It can thus be ensured that after the last bristles 18 have been transported in the recess 28 during the next stroke, only bristles 118 from the magazine 116 are separated. After pivoting the magazines 16, 1 16 clockwise, the magazine 16 is closed by the boundary surface 134.
- magazines 16, 116 which can be moved linearly can of course be used.
- the boundary surfaces 34, 134 can then run linearly in plan view.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Brushes (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018127982.5A DE102018127982A1 (de) | 2018-11-08 | 2018-11-08 | Bündelvereinzelner eines Bürstenstopfwerkzeugs |
PCT/EP2019/080534 WO2020094786A1 (de) | 2018-11-08 | 2019-11-07 | Bündelvereinzelner eines bürstenstopfwerkzeugs |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3876790A1 true EP3876790A1 (de) | 2021-09-15 |
EP3876790B1 EP3876790B1 (de) | 2024-05-01 |
Family
ID=68536830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19801821.0A Active EP3876790B1 (de) | 2018-11-08 | 2019-11-07 | Bündelvereinzelner eines bürstenstopfwerkzeugs |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3876790B1 (de) |
CN (1) | CN112996413A (de) |
DE (1) | DE102018127982A1 (de) |
TW (1) | TWI820247B (de) |
WO (1) | WO2020094786A1 (de) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008018883B4 (de) * | 2008-04-14 | 2019-09-26 | Zahoransky Ag | Bürstenherstellungsmaschine |
JP5469968B2 (ja) * | 2009-09-14 | 2014-04-16 | ライオン株式会社 | 植毛装置 |
BE1022749B1 (de) * | 2014-12-22 | 2016-08-29 | Gb Boucherie Nv | Bürsten-Stopfmaschine |
DE102016011337A1 (de) * | 2016-09-21 | 2018-03-22 | Zahoransky Ag | Bündelabnahmevorrichtung, Bürstenherstellungsmaschine, Verfahren zur Herstellung eines Bündelabnehmers sowie Verfahren zur Herstellung eines Gegenstücks einer Bündelabnahmevorrichtung |
-
2018
- 2018-11-08 DE DE102018127982.5A patent/DE102018127982A1/de active Pending
-
2019
- 2019-11-05 TW TW108140060A patent/TWI820247B/zh active
- 2019-11-07 EP EP19801821.0A patent/EP3876790B1/de active Active
- 2019-11-07 WO PCT/EP2019/080534 patent/WO2020094786A1/de unknown
- 2019-11-07 CN CN201980073794.5A patent/CN112996413A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
DE102018127982A1 (de) | 2020-05-14 |
EP3876790B1 (de) | 2024-05-01 |
TWI820247B (zh) | 2023-11-01 |
CN112996413A (zh) | 2021-06-18 |
WO2020094786A1 (de) | 2020-05-14 |
TW202025939A (zh) | 2020-07-16 |
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