JP5543145B2 - Apparatus for or in a spinning pretreatment machine having a drilling mechanism for drawing fiber material in the form of stranded wire - Google Patents

Description

  The present invention relates to a spinning pretreatment machine, in particular a carding machine, a grinding frame, a combing machine or a flyer, having at least one fiber having a kneading mechanism for drawing a fiber material in the form of stranded wire. An apparatus for continuously measuring the cross-sectional area and / or mass of a sliver, wherein the apparatus is arranged such that one roller is immovable and the other roller is displaceable from the one roller. And a pair of measuring rollers arranged to abut against each other and to be pressed against each other, and the apparatus is a relative surface coupled to a holding element for one of the rollers The present invention relates to an apparatus having a non-contact type distance sensor for measuring a distance from (a surface to be detected).

  As a practical matter, it is common to measure the thickness of the fiber sliver, particularly for the purpose of homogenizing the “unevenness” of one or more fiber slivers introduced into the spinning pre-processing machine. This type of measurement is also suitable at the exit from the machine for quality control of the stretched material. In addition to the quality control, measurements related to the density or thickness of the fiber sliver are also used to shut down the machine when a predetermined mass variation limit is exceeded and high quality products are no longer obtained.

  In a known device having a kneading mechanism (Patent Document 1), the fiber sliver is guided between a non-movable roller and a movable roller that can be pressed against the roller (drawer roller and detection target roller). The drawing roller and the detection target roller are fixed on respective shafts. The drawing roller is rotatably mounted in the first bearing housing by its shaft. The bearing housing is disposed immovably in the training frame. The detection target roller is rotatably mounted on the shaft in the second bearing housing. The second bearing housing is disposed on the training frame so that the bearing housing can be displaced in the direction A. The displacement occurs against the force of the compression spring. The compression spring presses the roller to be detected against the pull-out roller and sits in contact with a stationary component of the training frame. A measurement plate is disposed on the second housing. This measuring plate ensures the presence of a strict reference surface for the displacement sensor. The displacement sensor measures an interval B between the displacement sensor and the measurement plate. The change in the interval B is transmitted to the sliver monitor by the displacement sensor as a voltage change. Therefore, the displacement sensor serves as a signal converter. The spacing B used as a measured distance is usually very small, i.e. a few millimeters. According to the displacement sensor, even a minimum change in the distance between the drawing roller and the detection target roller is measured. The displacement sensor is fixed to the stationary component of the training frame on which the compression spring is seated. This component, and consequently the displacement sensor, is also disposed in an empty space on the side away from the roller nip and in an empty space at a predetermined interval from the second bearing housing. However, when space is limited, the need for considerable space is a drawback. In addition to this, a burden related to the arrangement configuration, that is, a burden related to installation for mounting the displacement sensor is a drawback. Finally, placement on the stationary component requires a specific adjustment or setting procedure for the displacement sensor.

International Publication No. WO91 / 16595A

None

  The problem underlying the present invention is therefore a device of the kind described at the outset, which avoids the mentioned disadvantages and allows the arrangement of the distance sensor by simple means, especially when space is limited, It is also an object of the present invention to provide an apparatus that enables excellent coupling or cooperation of the distance sensor to the surface to be detected.

The above problem is solved by the features of the characterizing portion of claim 1.
That is, according to the first invention, for a spinning pre-processing machine having a stretching mechanism for stretching a fiber material in the form of stranded wire, or in the pre-processing machine, the cross-sectional area and mass of at least one fiber sliver An apparatus for continuously measuring at least one of the rollers, wherein one roller is disposed so as not to move and the other roller is disposed so as to be movable away from the one roller and An apparatus having a pair of measuring rollers arranged to be pressed against each other and the apparatus having a non-contact distance sensor coupled to a holding element for one of the rollers in the holding element for the one roller having a non-contact distance sensor is immovable, the surface of the non-contact distance sensor pairs of the retaining element for the other roller Arranged opposite the surface, the non-contact distance sensor measures the distance from the corresponding surface of the holding element for the other roller, the holding element for the other roller pivoting A device is provided, characterized in that it is arranged in such a way that the corresponding surface moves relative to the distance sensor .

  A space-saving arrangement structure is realized by coupling the distance sensor to the holding element for the other roller and arranging the detection target surface facing the distance sensor so positioned. Is done. When the distance sensor is coupled to an existing holding element for the other roller, simplification with respect to construction and installation is preferably allowed at the same time. In order to measure the fiber sliver thickness, an interval that varies between the holding elements is preferably employed. The mechanical integration of the distance sensor with respect to the holding element simplifies the adjustment procedure of the distance sensor in a particularly sophisticated manner. This arrangement of the distance sensor and the surface to be detected, which is simple in terms of construction, is space saving. Therefore, in each case, the distance sensor and the detection target surface are combined with the holding element of the spinning pretreatment machine so that the combination contributes to several functions at the same time.

Claims 2 to 22 include preferred developments of the invention.
According to a second aspect, in the first aspect, the distance sensor is an inductive displacement sensor.
According to a third aspect, in the second aspect, the inductive displacement sensor comprises a plunger coil and a plunger core.
According to a fourth aspect, in the first aspect, the distance sensor and the corresponding surface are disposed in an enclosure housing.
According to the fifth invention, in any one of the first to fourth inventions, the device is employed for detecting and displaying a sliver break.
According to a sixth aspect, in the first aspect, the distance sensor indirectly detects the displacement of the detection target roller.
According to a seventh aspect, in the first aspect, the spacing sensor is employed to measure the sliver mass of a long and generally untwisted fiber sliver combination.
According to an eighth aspect, in the first aspect, the spacing sensor is used to measure the sliver mass in the case of a continuously moving fiber sliver combination.
According to a ninth aspect, in the first aspect, the measured value for the sliver mass is controlled by controlling at least one drafting element of the spinning pretreatment machine in which the fiber sliver combination is being stretched. Used to equalize sliver mass variation in fiber sliver combinations.
According to the tenth invention, in the first invention, the measurement of the sliver mass of the moving fiber sliver combination is performed by a spinning pretreatment machine having a plurality of sequential drafting elements that stretch the fiber sliver. .
According to an eleventh aspect, in the first aspect, the distance sensor is disposed at least one of an inlet of a spinning mechanism and an outlet from the spinning mechanism of the spinning pre-processing machine. .
According to the twelfth invention, in the eleventh invention, fluctuations in the sliver mass are monitored at at least one of the intake port and the outlet, and a value for at least one of the sliver mass and the sliver mass fluctuation is determined. If it is greater or less than the threshold value, the spinning pre-processor is deactivated and a warning signal is issued.
According to a thirteenth invention, in any one of the first to twelfth inventions, the distance sensor is a sliver break of the fiber sliver combination or one fiber sliver of the fiber sliver combination. Arranged to measure sliver breakage.
According to the fourteenth invention, in the seventh invention, a spectrum of the fiber sliver combination or a part of the spectrum is generated or generated using a plurality of measured values obtained by at least one of the distance sensors. Added.
According to a fifteenth aspect, in the seventh aspect, at least one of the inlet of the spinning pre-processor and the outlet from the spinning pre-processor has a spectrum of the fiber sliver combination. To be recorded.
According to the sixteenth invention, in the fifteenth invention, a plurality of fiber slivers that run side by side and are parallel in a plan view are guided from the intake to the outlet through the spinning pretreatment machine. The
According to a seventeenth aspect, in the seventh aspect, the fiber sliver combination or the individual group of fiber slivers constituting the fiber sliver combination passes through at least one funnel or guide element. Guided through.
According to an eighteenth aspect of the invention, in the first aspect of the invention, biasing of the holding element movably mounted for the distance sensor is achieved, the biasing being mechanical, electrical, hydraulic Or by pneumatic means.
According to the nineteenth invention, in the eleventh invention, the shaft center of the drawing roller at the outlet is disposed horizontally.
According to the twentieth invention, in the eleventh invention, the shaft center of the drawing roller at the outlet is arranged vertically.
According to the twenty-first aspect, in the first aspect, the control pulse is transmitted to the controller.
According to the twenty-second aspect, in the twenty-first aspect, the controller adjusts the rotational speed of at least one drive motor of the training frame that performs the drafting.

It is a schematic side view of the auto-leveler training frame provided with the apparatus which concerns on this invention. It is a schematic side view of the card machine mechanism equipped with the apparatus according to the present invention. (A) A side view of the device according to the present invention, and a non-movable bearing housing and a rotationally movable bearing housing, each having a rotary bearing and two shaft ends of a drawing roller, in an operating position. . (B) It is a side view in the fully open position of the apparatus which concerns on this invention, and the non-movable bearing housing and the rotationally-movable bearing housing which each have a rotation bearing and the shaft edge part of two drawing-out rollers. . (A) It is a side view of the integral space | interval sensor arrange | positioned in the recess of the immovable housing with respect to a drawing roller. (B) It is a top view of the integral space | interval sensor arrange | positioned in the recess of the immovable housing with respect to the drawing roller. FIG. 5 shows a part of the arrangement for the housing with respect to the immovable roller, with the same rotary bearing and drawing roller as in FIG. 4, the distance sensor being arranged in a groove in the immovably mounted housing. Yes. 1 is a schematic view of an integral inductive analog distance sensor having a surface to be detected and a relative surface disposed opposite the surface at a predetermined interval. FIG. FIG. 2 shows a distance sensor in the form of an optical sensor having a transmitter and a receiver.

  In the following, the invention will be described in considerable detail with reference to the embodiments shown in the drawings. According to FIG. 1, a training frame 1 such as a Truetzschler TD 03 training frame has a training mechanism 2, an upstream of which is an inlet 3 of the training mechanism, and a downstream thereof. Exit 4 from. A plurality of fiber slivers 5 coming from a can (not shown) enter the sliver guide member 6, are drawn out by the drawing rollers 7 and 8, and are conveyed through the measuring element (the distance sensor 9). Nershino Mechanism 2 is designed as a four-over-three Neruno mechanism, that is, it has three lower rollers (I is the lower roller for discharge, II is the central lower roller, III is the lower intake roller) and It consists of four upper rollers 11, 12, 13, 14. The drafting of the fiber sliver combination 5IV from the plurality of fiber slivers 5 is carried out in the Neruno mechanism 2. The draft consists of a preliminary draft and a main draft. Roller pairs 14 / III and 13 / II form a preliminary drafting area, and roller pairs 13 / II and 11, 12 / I form a primary drafting area. The fiber sliver combination 5 'is stretched in the preliminary drafting region, and the fiber sliver combination 5 "is stretched in the main drafting region. The stretched fiber sliver 5"' To the web guide member 10 at the outlet 4 and withdrawn through the sliver funnel 17 by the draw rollers 15, 16 where the slivers are combined to form a single fiber sliver 18, which is then It is thrown into Kens. Reference symbol A represents the direction of operation.

  For example, the drawing rollers 7, 8, mechanically connected to each other by a toothed belt, the lower intake roller III and the lower central roller II are driven by a control motor 19, and a desired value can be specified in the process. (The combined upper rollers 14 and 13 are rotated by the operation of each lower roller.) The lower discharge roller I and the drawing rollers 15 and 16 are driven by the main motor 20. The control motor 19 and the main motor 20 have controllers 21 and 22 for them, respectively. Control (rotational speed control) is performed in each case by a closed control loop, in which a tachometer 23 is combined with the controller 19 and a tachometer 24 is combined with the main motor 20. In the intake 3 of the above-mentioned Neruno mechanism, a variable proportional to the mass of the fiber sliver 5 to be fed, for example, a cross-sectional area of the fiber sliver is measured by an intake measuring element. At the outlet 4 from the above-mentioned shinoshino mechanism, the cross-sectional area (thickness) of the discharged fiber sliver 18 is confirmed by an outlet measuring element (interval sensor 25) combined with the drawing rollers 15 and 16. For example, a central computer unit 26 (control / adjustment device), which is a microcomputer equipped with a microprocessor, transmits the setting contents for a desired value for the control motor 19 to the controller 21. The measured values of the two measuring elements 9 and 25 are transmitted to the central computer unit 26 during the training process. The desired value for the control motor 19 is determined in the central computer unit 26 from the measured value of the inlet measuring element 9 and the desired value for the cross-sectional area of the fiber sliver 18 to be discharged. The measured value of the outlet measuring element 25 is used for monitoring the discharged fiber sliver 18 (discharge sliver monitoring) and for online determination of the optimal pre-drawing. According to this control system, by appropriately adjusting the drafting process, fluctuations in the cross-sectional area of the fiber sliver 5 can be compensated, and the fiber sliver can be made more uniform. Reference numeral 27 represents a display monitor, 28 represents an interface, 29 represents an input device, and 30 represents a pressure bar. For example, a measurement value from the measurement element 25 that is a variation in the thickness of the fiber sliver 18 is transmitted to the memory 31 in the computer 26.

  In each case, the drawing rollers 7 and 8 at the inlet of the above-mentioned Nershino frame and the drawing rollers 15 and 16 at the outlet have a double function. That is, they serve to pull out the respective fiber sliver combinations 5IV and 18 and to detect the respective fiber sliver combinations 5IV and 18.

  The cross-sectional area and / or mass of the fiber sliver 18 passing through the roller nip between the drawing rollers 15 and 16 is measured using the apparatus shown in FIGS. 3 (A) and 3 (B).

  The above apparatus shown in FIGS. 3 (A) and 3 (B) also shows a cross-sectional area of a fiber sliver combination 5IV (consisting of a plurality of fiber slivers) that passes through the roller nip between the drawing rollers 7 and 8. And / or may be employed to measure mass.

  FIG. 2 shows an arrangement configuration in which a card machine training mechanism 36 is arranged above the winding plate 35 between a card machine such as Truetzschler TC 07 and the winding plate 35, for example. The card machine mechanism 36 is designed as a three-over-three mechanism, ie it consists of three lower rollers I, II, III and three upper rollers 37, 38, 39. An intake funnel 40 is disposed at the intake of the training mechanism 36, and an outlet funnel 41 is disposed at the exit from the training mechanism. Downstream of the exit funnel 41 are two draw rollers 42, 43 that rotate in the direction of the curved arrow and draw out the stretched fiber sliver 44 from the exit funnel 41. The lower discharge roller I, the drawing rollers 42 and 43 and the take-up plate 35 are driven by a main motor 45, and the intake and central lower rollers III and II are driven by a control motor 46. Motors 45 and 46 are connected to an electronic control / regulation device (not shown). The cross-sectional area and / or mass of the fiber sliver 44 passing through the roller nip between the drawing rollers 42 and 43 is determined using a distance sensor 47 according to the apparatus shown in FIGS. 3 (A) and 3 (B). Is done. The distance sensor 47 is connected to an electronic control / regulation device (not shown) that may correspond to the central computer unit 26 (see FIG. 1). Reference sign B represents the direction of operation.

  3 (A) and 3 (B) show the cross-sectional area and / or mass of a fiber sliver combination (shown in FIGS. 1 and 2) consisting of at least one fiber sliver (see FIGS. 1 and 2). A device for continuous measurement is shown by a pair of measuring rollers 7, 8 and / or 15, 16 and / or 42, 43 (shown in FIG. 2). Shafts 15 and 16 (not shown) belonging to shaft ends 15a and 16a, respectively, are rotatably mounted in rolling element bearings 50 and 51, respectively, which are mounted in bearing housings 52 and 53, respectively. ing. The bearing housing 52 is immovable, but the bearing housing 53 is arranged to be rotatable (pivotable) in the directions of arrows C and D around the immovable rotary bearing 54. The rotary bearing 54 is fixed to the immovable support part 49. The bearing housing 53 that is capable of rotational movement is loaded and urged by a spring 55 whose one end is seated on the contact portion 56. In this way, the bearing housing 53 and the rollers 7 and / or 16 and / or 43 integrally therewith can be moved apart on a substantially linear path. An inductive (non-contact) analog distance sensor 57 is integrated with a non-movable bearing housing 52, and a sensor surface 57a thereof is disposed to face a surface 53 ′ of the bearing housing 53. The surface 53 ′ of the bearing housing 53 faces the sensor surface 57a. In the operating state, there is a variable distance a between the sensor surface 57a and the surface 53 ′, for example about 1 mm, measured by the distance sensor 57. In this way, one of the rollers, for example roller 15, is immovable and the other roller, for example roller 16, is arranged to be movable away from the roller on a substantially linear path. . The bearing housing 52 and the support 49 are mounted immovably on a machine frame (not shown). In the open state (non-operating state) according to FIG. 3B, the interval b is, for example, about 11 mm. Reference numeral 63 represents a pressing crank for opening, reference numeral 58 represents a lead wire of the distance sensor 57, and reference numerals 48a and 48b are two pieces for driving the drawing roller (by a toothed belt not shown). Represents a toothed belt wheel.

Inductive distance sensor 57 ₁ According to Figure 4, (facing the drawer roller 15) of the immovable bearing housing 52 is arranged integrally in the recess in the upper end region. Inductive distance sensor 57 ₂ According to Figure 5, (facing the drawer roller 15) of the immovable bearing housing 52 at a predetermined distance from the upper end region, the opened groove toward the one side Arranged integrally. In the arrangement according to FIGS. 4 and 5, the distance sensors 57 ₁ and 57 ₂ are integral components of the non-movable bearing housing 52 so that the bearing housing 52 and the distance sensors 57 ₁ and 57 ₂ are an integral member. Will be configured as.

  According to FIG. 6, the corresponding surface (detection target surface) arranged opposite to the sensor surface 57a is in the form of a corresponding element 59 which is integrated with the bearing housing 53 which is pivotable. .

  According to FIG. 7, the optical distance sensor 60 is disposed so as not to move in a recess opened toward one side of the non-movable bearing housing 52. The interval sensor 60 (optical sensor) includes an optical transmitter 60a and an optical receiver 60b. The light beam 61 ′ emitted by the optical transmitter 60a is reflected by the smooth surface 53 ′ of the pivotable bearing housing 53, and the reflected light beam 61 ″ is received by the optical receiver 60b. Reference numeral 62 indicates an electrical lead. The distance sensor 60 communicates with the evaluation device (electronic control / regulation device 26) by means of this electrical lead.

  1 has draw rollers 15, 16 below a funnel 17, which are incorporated into the lower assembly in terms of construction and carry or pull out a fiber sliver 18 through the funnel. The lower assembly is fixedly mounted on a cast iron base and comprises a fixed part and a movable part. Both the drawing rollers 15 and 16 are driven. Monitoring of open drawer rollers, closed drawer rollers, and large diameter locations is performed using a non-contact induction proximity switch 57. The necessary measurement resulting from sliver detection is determined by the displacement of the movable draw roller, and the inductive analog sensor measures the distance a between the draw rollers 15,16. The measured value is evaluated using a control system. In addition to non-contact inductive analog sensors, for example inductive or optical displacement transducers can also be used. In accordance with the present invention, firstly, a measurement sensor (such as an analog sensor) is integrated into an existing structural element as part of the “whole” and secondly (specific to the housing). Basically, the most varied sensor integration is achieved in existing structural parts or subassemblies. The sensor is housed in a housing that conforms to the contour shape of an existing structural subassembly. As a result of installing or integrating the sensor in the drawer roller subassembly, the overall structural dimensions of the drawer roller element remain unchanged, resulting in a compact subassembly arrangement. Since the sensor 57 is merged with the fixed portion 52 of the drawer roller, the movable element 53 of the drawer roller preferably provides a measurement tab that damps the integrated sensor. As a result of this integration, the fixed element 52 becomes the measuring body and the movable element 53 becomes the object to be measured, so that the entire subassembly consisting of each drawing roller becomes a compact measuring system.

This integration results in considerable advantages in the following:
-Simple and economical sensor installation-The mounting location is fixed by the outer shape of the housing, so there is no need for adjustment or setting-No problem replacement-Space saving-Open drawer roller, closed drawer roller And monitoring of large diameter points.

  As a result of the integration and the associated measurement location with the support element of the drawing roller in this connection, a simple configuration is preferably achieved. Due to the fact that the deflection of the drawing roller is converted into an electrical measurement value, a measuring means can be configured in the control system. Several operating conditions can be detected using the recognized measured values of the sensor and the displacement of the movable draw roller. In addition to fiber sliver detection, software can be used to further evaluate open drawer roller, closed drawer roller function, large diameter location, and sliver absence. If the measured value is smaller or larger than a parameter (sliver OK) predefined in the software, a malfunction is detected and the machine is deactivated.

  More preferably, the integrated measurement of the measurement value can also be used in the drawing roller after the intake funnel. The same drawer roller subassembly (tongue roller and groove roller) or the like can be used as a measurement system with the same software evaluation.

a Variable interval
b interval
A Movement direction
B Direction of movement
C, D arrows
I Lower roller for discharge
II Center lower roller
III Lower intake roller
1 Nershino frame
2 Nershino Organization
3 Intake
4 Exit
5 Fiber sliver
5 'fiber sliver combination
5 "fiber sliver combination
5 "'stretched fiber sliver
5IV Fiber sliver combination
6 Sliver guide member
7, 8 Drawer roller
9 Spacing sensor / inlet measuring element
10 Web guide members
11, 12, 13, 14 Upper roller
15 Drawer roller
15a Shaft end
16 Drawer roller
16a Shaft end
17 Sliver Funnel
18 Fiber sliver / fiber sliver combination
19 Control motor
20 Major motors
21, 22 Controller
23, 24 Tacho generator
25 Distance sensor / exit measuring element
26 Electronic control / regulation devices
27 Display monitor
28 Interface
29 Input devices
30 Pressure bar
31 memory
35 Winding plate
36 Nershino mechanism for card machines
37, 38, 39 Upper roller
40 Inlet funnel
41 Exit funnel
42, 43 Drawer roller
44 Stretched fiber sliver
45 Major motors
46 Control motor
47 Distance sensor
48a, 48b Toothed belt wheel
49 Non-movable support
50, 51 Rolling element bearing
52 Immovable bearing housing / fixing element
53 Bearing housing / moving elements
53 'smooth surface
54 Immovable rotary bearing
55 Spring
56 Abutment
57 Analog distance sensor / Non-contact inductive proximity switch
57 ₁ and 57 ₂ inductive distance sensors
57a Sensor surface
58 Lead wire
59 Supported elements
60 Optical distance sensor
60a optical transmitter
60b optical receiver
61 'rays
61 "reflected light
62 Electrical leads
63 Press crank

Claims (22)

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 device having a non-contact spacing sensor coupled to a holding element for one of the rollers,
A holding element for the one roller with the non-contact spacing sensor is immovable;
The surface of the non-contact distance sensor is arranged opposite the corresponding surface of the holding element for the other roller, the non-contact distance sensor from the corresponding surface of the holding element for the other roller Measuring the interval of
A device, characterized in that the holding element for the other roller is pivotally arranged so that the corresponding surface moves relative to the distance sensor . The apparatus according to claim 1 , wherein the distance sensor is an inductive displacement sensor. The apparatus of claim 2 , wherein the inductive displacement sensor comprises a plunger coil and a plunger core. The apparatus of claim 1, wherein the distance sensor and the corresponding surface are disposed in an enclosure housing. 5. The apparatus according to claim 1 , wherein the apparatus 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 12. The device according to claim 11 , characterized in that is deactivated and a warning signal is emitted. The distance sensor, the sliver fiber breakage sliver combination, or, characterized in that it is arranged to measure the sliver breakage of one fiber sliver of the above fiber sliver combination, according to claim 1 to 12 The apparatus as described in any one of. Using a plurality of measurements obtained by at least one of the spacing sensor, the spectrum of the fiber sliver combination is, or, wherein a portion of the spectrum are generated or added, according to claim 7 Equipment. At least one of the outlet from the inlet and before for the spinning process machine of the front textiles processing machine, characterized in that the spectrum of the fiber sliver combination is recorded, according to claim 7 Equipment. The apparatus according to claim 15 , characterized in that a plurality of fiber slivers that run side by side and that are parallel in plan view are guided from the intake to the outlet through the spinning pre-treatment machine. . The fiber sliver combination may or fiber sliver individual groups constituting the fiber sliver combination passes through at least one funnel or, characterized in that it is guided through the guide element, according to claim 8. The apparatus according to 7 .   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 11 , wherein an axis of the drawing roller at the outlet is disposed horizontally. The apparatus according to claim 11 , 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. The apparatus according to claim 21 , wherein the controller adjusts the rotation speed of at least one drive motor of the training frame that performs the drafting.

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