Bulk material dispenser for the mixing chamber of an extruder

Abstract

The subject of the application is a bulk material feeder for the mixing chamber of an extruder, comprising a hopper (1) connected at its end to a hopper sleeve (2). The hopper sleeve (2) is connected to the mixing chamber (3). It is characterized in that a throttle pin (4) is slidably mounted in the hopper (1), along its axis, grooved longitudinally in the form of a truncated cone with an outer surface parallel to the inner surface of the hopper sleeve (1). The throttle pin (4) is connected to a linear drive system (5), operating on a vertical axis, which is connected to a controller (6) for its position. The linear drive system (5) and the controller (6) are mounted in a housing (7). The housing (7) consists of a lower part (7.1) and an upper part (7.2). The upper part (7.2) is connected to a rotary oscillation generator (8) around the vertical axis of the throttle stem (4). Sensors (9.1, 9.2, 9.2) are mounted in the hopper sleeve (2).3) filling level, connected via signal wires to the throttle stem (4) position controller (6). The rotary oscillation movement generator (8) is also connected to the controller (6).