DE2115791A1 - Auger - Google Patents
AugerInfo
- Publication number
- DE2115791A1 DE2115791A1 DE19712115791 DE2115791A DE2115791A1 DE 2115791 A1 DE2115791 A1 DE 2115791A1 DE 19712115791 DE19712115791 DE 19712115791 DE 2115791 A DE2115791 A DE 2115791A DE 2115791 A1 DE2115791 A1 DE 2115791A1
- Authority
- DE
- Germany
- Prior art keywords
- helix
- helical
- welded
- equal
- auger
- 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
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2812/00—Indexing codes relating to the kind or type of conveyors
- B65G2812/05—Screw-conveyors
- B65G2812/0505—Driving means, constitutive elements or auxiliary devices
- B65G2812/0511—Conveyor screws
- B65G2812/0527—Conveyor screws characterised by the configuration, e.g. hollow, toothed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screw Conveyors (AREA)
Description
Förderschnecke Die Erfindung betrifft ein Verfahren zur Herstellung von wendelförmigen Transportschnecken, insbesondere für Schüttgüter und Flüssigkeiten, mit möglichst großem Fördervolumen. Conveyor screw The invention relates to a method of manufacture of helical screw conveyors, especially for bulk goods and liquids, with the largest possible funding volume.
Es ist bekannt, solche Wendel aus einzelnen Kreissegmenten herzustellen, welche aneinander und an einer Welle, welche auch rohrförmig ausgebildet sein kann, zu einer Wendelform angeschweißt werden. Die Schweißnähte zwischen den einzelnen Segmenten sind hierbei radial, oder nahezu radial angeordnet. Da sie praktisch senkrecht zur Förderrichtung liegen, müssen sie sorgfältig geättet werden, um die sonst entstehende Reibung, und damit die Antriebsleistung möglichst klein zu halten.It is known to produce such a helix from individual segments of a circle, which on each other and on a shaft, which can also be tubular, be welded to a helix shape. The welds between each Segments are here arranged radially or almost radially. Since they are practically perpendicular to the conveying direction, they must be carefully smoothed to avoid the otherwise arising Friction, and thus to keep the drive power as small as possible.
Solche Transportschnecken sind teuer in der Herstellung.Such screw conveyors are expensive to manufacture.
Es ist ferner bekannt, Wendel aus Bändern mit rechteckigem oder keilförmigem Querschnitt mit Hilfe von Walzenpaaren endlos herzustellen, bei welchen entweder eine Walze zylindrisch und die andere leicht konisch, oder beide Walzen kegelig ausgebildet sind. Diese Verfahren haben den Nachteil, daß bestimmte Bandbreiten wegen des dann bedingten hohen Verformungsgrades und wegen der deswegen begrenzten Arbeitsbreite der Walzen nicht überschritten werden können. Das Fördervolumen von Transportschnecken aus solchen Wendeln ist daher verhältnismäßig eng begrenzt.It is also known to spiral from strips with rectangular or wedge-shaped Cross-section to be produced endlessly with the help of pairs of rollers, in which either one roller is cylindrical and the other slightly conical, or both rollers are conical are trained. These methods have the disadvantage that certain bandwidths because of the resulting high degree of deformation and because of the limited The working width of the rollers cannot be exceeded. The funding volume of Conveyor screws made of such spirals are therefore relatively tightly limited.
Diese Nachteile werden erfahrungsgemäß dadurch vermieden, daß die Wendel der Transportschnecke aus zwei oder mehreren Wendeln gleicher Steigung zusammen gesetzt wird, bei welchen jeweils der Innendurchmesser der äußeren Wendel gleich, oder nahezu gleich, dem AuBendurchmesser der inneren Wendel ist. Diese Wendel werden dann miteinander verbunden-an den jeweils korrespondierenden Durchmessern, z.B. durch Schweißen.Experience has shown that these disadvantages are avoided in that the Spiral of the transport screw composed of two or more spirals of the same pitch is set, in which the inner diameter of the outer helix is the same, or almost equal to the outer diameter of the inner helix. This helix will be then connected to one another at the respective corresponding diameters, e.g. by welding.
Mit Hilfe dieses Verfahrens ist es möglich, aus endlos gewalzten Wendeln mit begrenzter Bandbreite jede gewünschte Förderfläche der Transportschnecke zu erzielen. Da die Schweißnaht wendelförmig von der Wellenmitte gleich weit entfernt ist, läßt sie sich im Gegensatz zu den Schweißnähten der aus Segmenten zusammengesetzten Wendel leicht und billig mit Hilfe geeigneter Vorrichtungen, bzw. auch auf Schweißautomaten, herstellen. Da hierbei die Schweißnaht in Förderrichtung liegt, sind die Reibungsverluste gering. Die Schweißneht braucht kaum geglättet zu werden.With the help of this process it is possible to produce continuously rolled coils any desired conveying surface of the screw conveyor with a limited bandwidth achieve. Because the weld seam is helical and equidistant from the center of the shaft it can be, in contrast to the weld seams, which are composed of segments Helix easily and cheaply with the help of suitable devices, or also on automatic welding machines, produce. Since the weld seam is in the conveying direction, there are friction losses small amount. The weld hardly needs to be smoothed.
In den Zeichnungen sind 3 Ausführungsbeispiele der erfindung gemäß hergestellten Wendel dargestellt.In the drawings, 3 exemplary embodiments are in accordance with the invention Manufactured coil shown.
Bild 1 zeigt als Teilschnitt die Innenwendel 1 und die Außenwendel 2 stumpf aufeinander stoßend und verschweißt. Der Innenwendel 2 ist außerdem mit der Welle 3 verschweißt. Figure 1 shows the inner helix 1 and the outer helix as a partial section 2 butt against each other and welded. The inner coil 2 is also with the shaft 3 welded.
Bild 2 zeigt Innenwendel 1 und Außenwendel 2 überlappt angeordnet und ;teinander verschweißt. Diese Ausführung hat den Vorteil, daß die Herstellungsgenauigkeit der Wendel geringer sein kann. Figure 2 shows inner helix 1 and outer helix 2 arranged so as to be overlapped and; t welded together. This design has the advantage that the manufacturing accuracy the helix can be smaller.
Bild 3 zeigt Innenwendel 1 und Außenwendel 2 unter Zwischenlage eines Blechstreifens 4 mit diesem verschweißt. Figure 3 shows inner helix 1 and outer helix 2 with one in between Sheet metal strip 4 is welded to this.
Auch diese Ausführung erfordert eine geringe Herstellgenauigkeit der Wendel. This design also requires a low level of manufacturing accuracy the helix.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712115791 DE2115791A1 (en) | 1971-04-01 | 1971-04-01 | Auger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712115791 DE2115791A1 (en) | 1971-04-01 | 1971-04-01 | Auger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2115791A1 true DE2115791A1 (en) | 1972-10-12 |
Family
ID=5803499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712115791 Pending DE2115791A1 (en) | 1971-04-01 | 1971-04-01 | Auger |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2115791A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990005100A1 (en) * | 1988-11-10 | 1990-05-17 | Spirac Engineering Ab | A helical conveyor |
| EP0665045A1 (en) * | 1994-01-22 | 1995-08-02 | Voith Sulzer Stoffaufbereitung GmbH | Screw conveyor, especially for sedimentation or clarification devices |
| EP0685414A1 (en) * | 1994-06-03 | 1995-12-06 | Noggerath Holding GmbH & Co. KG | Helical conveyor |
-
1971
- 1971-04-01 DE DE19712115791 patent/DE2115791A1/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990005100A1 (en) * | 1988-11-10 | 1990-05-17 | Spirac Engineering Ab | A helical conveyor |
| US5092453A (en) * | 1988-11-10 | 1992-03-03 | Spirac Engineering Ab | Helical conveyor |
| EP0665045A1 (en) * | 1994-01-22 | 1995-08-02 | Voith Sulzer Stoffaufbereitung GmbH | Screw conveyor, especially for sedimentation or clarification devices |
| EP0685414A1 (en) * | 1994-06-03 | 1995-12-06 | Noggerath Holding GmbH & Co. KG | Helical conveyor |
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