JP2010047891A5 - - Google Patents

Claims (27)

In order to continuously measure at least one of the cross-sectional area and the mass of at least one fiber sliver for a spinning pretreatment machine having a kneading mechanism for drawing fiber material in the form of stranded wire The apparatus includes a pair of rollers arranged such that one roller is immovable and the other roller is arranged so as to be movable away from the one roller and pressed against each other. And a non-contact distance sensor for measuring the distance from the corresponding surface coupled to the holding element for one of the rollers. In
The distance sensors (9, 25; 47; 57, 57 ₁ , 57 ₂ ; 60) are connected to holding elements (52, 52b, 53a, 60) for the other roller (7, 8; 15, 16; 42, 43). 53b) and
The distance sensor (9, 25; 47; 57, 57 ₁ , 57 ₂ ; 60) and the corresponding surface (53 ′; 59) are side surfaces of the holding elements (52, 52b, 53a, 53b) A device characterized in that it is arranged on each side facing each other.   The apparatus of claim 1, wherein the distance sensor is immovable and the corresponding surface is arranged to move relative to the distance sensor.   The apparatus of claim 1, wherein the distance sensor is arranged to move and the corresponding surface is immovable relative to the distance sensor.   The apparatus according to claim 1, wherein the corresponding surface is an outer surface of the holding element for one of the rollers.   The apparatus of claim 1, wherein the corresponding surface is a surface of a corresponding element coupled to one of the rollers.   The apparatus according to claim 1, wherein the corresponding element is integrated with respect to the holding element for one of the rollers.   The device according to claim 1, wherein the distance sensor is an inductive displacement sensor.   The apparatus of claim 7, wherein the inductive displacement sensor comprises a plunger coil and a plunger core.   The apparatus according to claim 1, wherein the distance sensor and the corresponding element are arranged in an enclosure housing.   10. A device according to any one of the preceding claims, characterized in that the device is employed for detecting and displaying sliver breaks.   The apparatus according to claim 1, wherein the distance sensor indirectly detects the displacement of the detection target roller.   The apparatus of claim 1, wherein the spacing sensor is employed to measure the sliver mass of a long and generally untwisted fiber sliver combination.   The apparatus according to claim 1, wherein the spacing sensor is used to measure the sliver mass in the case of a continuously moving fiber sliver combination.   The measured value for the sliver mass is used to equalize sliver mass variation in the fiber sliver combination by controlling at least one drafting element of the spinning pretreatment machine where the fiber sliver combination is being stretched. Device according to claim 1, characterized in that it is used.   The apparatus according to claim 1, characterized in that the measurement of the sliver mass of the moving fiber sliver combination is performed in a spinning pre-processor having a plurality of sequential drafting elements that stretch the fiber sliver.   2. The apparatus according to claim 1, wherein the distance sensor is disposed at at least one of an inlet of a training mechanism and an outlet from the training mechanism of the spinning pretreatment machine.   The sliver mass fluctuation is monitored at at least one of the inlet and the outlet, and if the value for at least one of the sliver mass and the sliver mass fluctuation is larger or smaller than the threshold value, the spinning pretreatment machine The device according to claim 16, characterized in that is deactivated and a warning signal is issued.   18. The distance sensor is arranged to measure a sliver break of the fiber sliver combination or a sliver break of one fiber sliver of the fiber sliver combination. The apparatus as described in any one of.   13. The spectrum of the fiber sliver combination or a part of the spectrum is generated or added using a plurality of measurements obtained by at least one of the spacing sensors. Equipment.   The spectrum of the fiber sliver combination is recorded at at least one of an inlet of the spinning pre-processing machine and an outlet from the spinning pre-processing machine. Equipment.   21. The apparatus according to claim 20, wherein a plurality of fiber slivers that run side by side and are parallel in plan view are guided from the intake to the outlet through the spinning pretreatment machine. .   The fiber sliver combination or the individual group of fiber slivers constituting the fiber sliver combination is guided through at least one funnel or through a guide element. 12. The apparatus according to 12.   Biasing of the holding element movably mounted for the distance sensor is achieved and the biasing can be adjusted by mechanical, electrical, hydraulic or pneumatic means The apparatus of claim 1.   The apparatus according to claim 16, wherein an axis of the drawing roller at the outlet is disposed horizontally.   The apparatus according to claim 16, wherein an axis of the drawing roller at the outlet is arranged vertically.   The apparatus according to claim 1, wherein the control pulses are transmitted to the controller.   27. The apparatus according to claim 26, wherein the controller adjusts the rotational speed of at least one drive motor of the training frame that performs the drafting.