Automatic dosing device with a dosing screw and the use of such an automatic dosing device
First Claim
1. An automatic dosing device for a machine comprising:
- a container (27) for dosing material;
a dosing screw (1) that feeds material out from the container, wherein the screw (1) is rotatably attached to the container (27) and interacts with a channel (26) that connects an inside (29) of the container (27) with an outside of the container (27); and
a sealing member (13,14), which by a force transmitted to the sealing member from the thread (4) of the screw (1), seals or opens an outlet (30) of the channel (26), the outlet (30) facing the container outside;
wherein at least a part of the sealing member (13,14) seals and opens the outlet by moving in a first or a second direction parallel to the direction of the screw (1).
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention refers to a dosing screw unit for an automatic dosing device The purpose of the automatic dosing device is to control the dosing of stored material, kept inside (29) a container (27), out of the storage. The object of the dosing screw unit according to the invention is to achieve a dosing, closing and cleaning arrangement for the automatic dosing device. The screw unit therefore comprises parts that interact with the thread of the dosing screw (1), which parts constitutes an attacher (14) that interacts with the thread and scratches of material clogged on the screw, closer that closes the outlet of the dosing unit and a director that prevents the parts from rotating around the dosing screw (1).
5 Citations
15 Claims
-
1. An automatic dosing device for a machine comprising:
-
a container (27) for dosing material; a dosing screw (1) that feeds material out from the container, wherein the screw (1) is rotatably attached to the container (27) and interacts with a channel (26) that connects an inside (29) of the container (27) with an outside of the container (27); and a sealing member (13,14), which by a force transmitted to the sealing member from the thread (4) of the screw (1), seals or opens an outlet (30) of the channel (26), the outlet (30) facing the container outside;
wherein at least a part of the sealing member (13,14) seals and opens the outlet by moving in a first or a second direction parallel to the direction of the screw (1). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. An automatic dosing device for a machine comprising:
-
a container (27) for dosing material; a dosing screw (1) that feeds material out from the container, wherein the screw (1) is rotatably attached to the container (27) and interacts with a channel (26) that connects an inside (29) of the container (27) with an outside of the container (27); and a sealing member (13,14), which by a force transmitted to the sealing member from the thread (4) of the screw (1), seals or opens an outlet (30) of the channel (26), the outlet (30) facing the container outside, wherein the sealing member (13,14) comprises an attacher (14) which is attached to the member and rotatably attached to the screw, whereby when this attacher interacts with the thread (4) on the screw (1) and the screw (1) rotates a part of the sealing member moves in as first or a second direction parallel to the direction of the screw. - View Dependent Claims (13, 14, 15)
-
Specification