DE1653236A1 - Spreading head for the formation of chip fiber fleece - Google Patents
Spreading head for the formation of chip fiber fleeceInfo
- Publication number
- DE1653236A1 DE1653236A1 DE19671653236 DE1653236A DE1653236A1 DE 1653236 A1 DE1653236 A1 DE 1653236A1 DE 19671653236 DE19671653236 DE 19671653236 DE 1653236 A DE1653236 A DE 1653236A DE 1653236 A1 DE1653236 A1 DE 1653236A1
- Authority
- DE
- Germany
- Prior art keywords
- spreading head
- head according
- spiked
- sickle
- rollers
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/14—Distributing or orienting the particles or fibres
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Brushes (AREA)
Description
15· Dezember I967December 15, 1967
Streukopf für die Spanfaser-Vliesbildun^ Zusatz-Patentanmeldung zur Patentanmeldung H 62 Spreading head for chip fiber fleece formation Additional patent application to patent application H 62 52% 52% Ic/g9 a7Ic / g9 a7
Die Stammanmeldung bezieht sich auf einen Streukopf zur Erzeugung von Spanfaser-Vliesen mit einer vollkommen ummantelten Stachelwalze, die lediglich einen tangentialen Einlaufschlitz aufweist und deren Mantel im unteren Bereich Iochblechartig oder siebförmig durchbroiien ist. Weitere Ausbildungsformen beziehen sich auf die Hintereinanderschaltung mehrerer derartig ummantelter Stachelwalzen und auf die Anwendung verschiedener Lochgrößen in der unteren Ummantelung.The parent application relates to a spreading head for generating Chip fiber fleeces with a completely covered spiked roller, which only has a tangential inlet slot and its jacket is perforated like a perforated plate or a sieve in the lower area. Further forms of embodiment relate to the series connection of several spiked rollers coated in this way and to the use of different ones Hole sizes in the lower sheath.
Diese Anordnung eines Streukopfes kann bei besonders feuchtklebrigen Fasern durch hohen Leimanteil zur Verstopfung der Sieblochungen oder der Lochungen in dem Mantelblech führen. Die Verbesserung der Erfindung sieht deshalb eine lochblech- oder siebartige Ummantelung mit selbstreinigender Wirkung vor. Ferner verwendet die Erfindung vorzugsweise anstelle der Stachelwalze eine Bürstenwalze, deren Borsten den "Siebkorb11, d.h. die durchbrochene Hälfte der unteren Ummantelung schleifend berühren können. Der erfindungsgemäße Siebkorb besteht aus sichelförmigen Stegen, die durch die Bürstenwalze selbst gereinigt werden und quer dazu verlaufenden, in Bohrungen dieser sichelförmigen Stege gelagerten Rundstangen, die z.B. zur Reinigung axial verschiebbar sind, oder die mit einem nicht klebendem Material, wie Polyaethylen oder Polytetrafluoraethylen, überzogen sind, oder durch drehbare Rollen, die auf diesen Rundstäben gelagert sind und beispielsweise als kleine, in Kunststoff gespritzte Stachelwalzen ausgebildet sind, oder mit Hilfe der Rundstäbe selbst drehbar angetrieben werden.This arrangement of a scattering head can lead to clogging of the screen perforations or the perforations in the jacket plate due to the high proportion of glue in the case of particularly moist, sticky fibers. The improvement of the invention therefore provides a perforated sheet or sieve-like casing with a self-cleaning effect. Furthermore, the invention preferably uses a brush roller instead of the spiked roller, the bristles of which can touch the screen basket 11 , ie the perforated half of the lower casing Bores of these sickle-shaped bars mounted round bars, which are axially displaceable for cleaning, for example, or which are coated with a non-adhesive material such as polyethylene or polytetrafluoroethylene, or by rotating rollers that are mounted on these round bars and, for example, as small, injection-molded in plastic Spiked rollers are formed, or are themselves rotatably driven with the help of the round rods.
Die Figuren zeigen ein schematisches Ausführungsbeispiel für einen derartigen Streukopf mit erfindungsgemäßem Siebkorb. Fig. 1 zeigt einen Querschnitt und Fig. 2 einen Längsschnitt durch einen derartigen Streu-The figures show a schematic embodiment for such a Spreading head with sieve basket according to the invention. Fig. 1 shows a cross section and Fig. 2 shows a longitudinal section through such a spreading
109887/0422 BAD 109887/0422 BAD
15· Dezember I967December 15, 1967
8/BÜ.8 / BÜ.
-2--2-
kopf. In Fig. 1 fällt durch den Trichter 1 das Spanfasergut 2 in den Streukopf und gelangt über den Schlitz 3 tangential in den Wirkungsbereich der Bürstenwalze k. Die Bürstenwalze h ist zur Verhinderung von Luftwirbeln an ihrem Oberteil durch das Abdeckblech 5 umkleidet, ^ie unbere Ummantelung der Bürstenwalze k besteht aus den ßiebkorb 6, der wiederum aus den sichelförmigen Stegen 7 und- den Hundsta'ben ο zusammengesetzt ist. Auf den Hundstäben 8 sind drehbar kleine, ^.B. aus Kunststoff gespritzte Stachelwalzen 9 gelagert. In Fig. 2 ist die Ariorunuri^ der sichelförmigen Stege 7 rait den Hundstäben 3 und den darauf gelagerten Stachelwalzen 9 besonders gut zu erkennen.head. In Fig. 1, the chip fiber material 2 falls through the funnel 1 into the spreading head and passes tangentially through the slot 3 into the area of action of the brush roller k. The brush roller is h cases for the prevention of air vortices at its upper part through the cover plate 5, ^ ie unbere casing of the brush roller k consists of the ßiebkorb 6, which in turn is composed of the crescent-shaped webs 7 un d- d s Hundsta'ben ο. On the dog bars 8 are rotatable small, ^ .B. spiked rollers 9 molded from plastic are supported. In Fig. 2, the Ariorunuri ^ of the sickle-shaped webs 7 rait the dog sticks 3 and the spiked rollers 9 mounted on them can be seen particularly well.
1Üy 887/0422 BAD ORIGINAL1Üy 887/0422 BATH ORIGINAL
Claims (7)
Stachelwalzen (9) Kunststoff-Spritzguß-Massenteile sind·7. Spreading head according to claim 6, characterized in that the small
Spiked rollers (9) are mass-produced plastic injection-molded parts
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEH0064805 | 1967-12-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1653236A1 true DE1653236A1 (en) | 1972-02-10 |
Family
ID=7162867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19671653236 Pending DE1653236A1 (en) | 1967-12-19 | 1967-12-19 | Spreading head for the formation of chip fiber fleece |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1653236A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015091944A3 (en) * | 2013-12-20 | 2015-08-13 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Method and apparatus for scattering fibers, such as chips |
-
1967
- 1967-12-19 DE DE19671653236 patent/DE1653236A1/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015091944A3 (en) * | 2013-12-20 | 2015-08-13 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Method and apparatus for scattering fibers, such as chips |
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