Sampling device of filter stick forming machine

Abstract

The invention discloses a sampling device of a filter stick forming machine. The sampling device comprises a mouth piece which rotates around a fixed axis and a fixed tube sheet, wherein the mouth piece is provided with a conveying passage, a first rigid surface and a second rigid surface; the fixed tube sheet is provided with a receiving groove which can be connected with an external environment; the conveying passage is connected with the first rigid surface; an elastic strip is embedded on the fixed tube sheet; and the second rigid surface seals the cavity of the receiving groove by extruding the elastic strip. Due to the arrangement of the elastic strip, a gap between the second rigid surface and the fixed tube sheet can meet technical requirements, namely the gap cannot be over large or cannot be completely closed; and even if the movable mouth piece is adjusted, and the actual distance between the second rigid surface and the fixed tube sheet changes, the receiving groove can still be sealed through the elastic strip. Through the device, the stability of a filter stick in the sampling process is improved, so the filter stick can be normally transmitted for detection in the production process.

Description

technical field [0001] The invention relates to a filter rod forming unit, in particular to a sampling device of the filter rod forming unit. Background technique [0002] The KDF4 filter rod forming unit monitors the production of filter rods by periodically taking out filter rods from the production line at intervals. The sampling device mainly includes a movable socket and a fixed tube sheet under the movable socket. A channel for the filter rod to pass is set in the movable sleeve, and a groove for receiving the filter rod is provided on the fixed tube plate. The movable sleeve can rotate around a fixed shaft, so that regular sampling of the groove can be realized. [0003] However, in the production process, it was found that the KDF4 sampling device often failed to send the filter rod to the detection system normally. After analysis, it was found that the filter rod sampling and detection device in the filter rod quality process control was unstable. Since the fixed...

AI Technical Summary

Problems solved by technology

When the gap is too small and reaches 0, the movable sleeve will go to the "dead point". When the gap is greater than 0.05mm, the launch pipeline will leak air, which will cause the filter rod to fail to send normally and affect the collection of relevant index data in the production process.

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