Abstract: In an apparatus for monitoring and securing danger zones on power-driven textile machines, in particular spinning room preparatory machines, having movable machine parts, an optical monitoring device monitors a movable danger zone to form a movable protection zone, such that a person and/or an object intruding into the danger zone triggers a switching operation. To produce an apparatus that allows guarding of danger zones in a simple and reliable manner, stationary monitoring device is present, which is selectively activatable and forms a dynamically movable protection zone around the movable danger zone.

Abstract: In a device on a textile machine, for cooling heat-emitting electrical components, for example electrical switching devices and/or switch cabinets, the heat-emitting components are cooled by an air stream. In order to provide a device that ensures the necessary cooling in a structurally simple way and is economical and low-maintenance, at least one partial air stream of the supply air to the machine is guidable towards the heat-emitting components and the supply air is able to absorb heat from the components and subsequently flow via outlet through components of the textile machine.

Abstract: In the case of an apparatus on a spinning preparation machine, e.g. a draw frame, flat card, combing machine or the like, in particular a double-head draw frame, with at least two driven drafting systems having force-transmitting means for driving drafting rollers of the drafting systems and at least one drive motor, a coupling is present between a drive motor and a drive shaft. To allow the effectiveness and efficiency to be substantially increased in a structurally simple and cost-effective manner, the respective drive chains are connected via a respective controllable coupling to the motor and the rotational speed of the motor can be reduced for the engagement and disengagement process.

Abstract: An apparatus on a spinning room machine, especially a spinning preparation machine, is arranged for monitoring an electric drive motor, which is connected to an electronic speed-setting and/or regulating device, a rotating operating element being connected to the drive motor. In order to monitor the drive motor so that no damage occurs even under different operating conditions, there is a device for automatically determining the loading of the drive motor during operation, which is connected to a device for comparison with pre-set values for the loading, to which there is connected a display and/or switching device which can be supplied with electrical signals in the event of departures.

Abstract: In an apparatus at a spinning preparation machine, especially at a carding machine, cleaner, draw frame, combing machine or the like, having at least one electric motor-driven roller, which is rotatably mounted about its longitudinal axis, the roller is caused to rotate by means of forces of an electromagnetic field that act on at least one roller end-face. In order to achieve a substantially increased drive output and braking output and a high torque in a simple manner, an electromotive drive means is present having a rotor and a stator which are integrated into the roller and into an immobile machine element associated with the roller.

Abstract: In an apparatus at a spinning room machine, especially a flat card, roller card, cleaner or the like, for drawing a clothing onto a roller using a drawing-on device, the spinning room machine has an electronic control and regulation device. In order to provide an apparatus that is simple in terms of equipment and that makes possible checking of the drawing-on procedure and/or of the measurement data, a measurement device for registering data ascertained during drawing-on is associated with the drawing-on device, and the measurement device co-operates with the electronic control and regulation device of the spinning room machine for permitting passage of data between the drawing-on device and the control and regulation device.

Abstract: In an apparatus on a spinning preparation machine, for example, a flat card, roller card, draw frame or the like, for monitoring fiber material, having at least one rotating roller that delivers fiber material, and a monitoring arrangement device that detects undesirable accumulations (build-up) of fiber material and emits an electrical signal is present. To permit immediate detection of undesirable accumulations of material in a structurally simple manner, the monitoring arrangement comprises a non-contact sensor arrangement (sensor), which is capable of detecting undesirable accumulations of fiber material.

Abstract: An apparatus at a spinning room machine, especially a spinning preparation machine, for example a carding machine or draw frame, for visual signal display, has at least two light sources in the form of light-emitting diodes (LEDs), each of which is associated with a cover, the signal display—which is in communication with a control device—being capable of emitting signals of light of different colours. In order to provide an apparatus which especially is of simple construction and allows a reduced outlay in terms of manufacture and installation, a plurality of LEDs, which are located inside a clear or opaque cover, are capable of emitting coloured or white light corresponding to the particular operating situation of the spinning room machine.

Abstract: In an apparatus at a spinning room machine, especially a carding machine, cleaner or the like, for drawing a clothing onto a roller using a roller drive unit, which apparatus comprises a drive motor arranged to be in drive connection with the roller drive unit or with at least one roller of the machine, the drive motor co-operates with a rotary speed adjustment device. In order to allow, by simple means, automatic matching of the actual value of the speed of rotation to a prespecified value of the speed of rotation, the drive motor co-operates with a closed-loop rotary speed control device which is incorporated into the control and regulation device of the spinning room machine.

Abstract: An apparatus for electronically controlling a fiber processing machine includes at least one plug-in module group and at least one memory for receiving and storing data. A non-volatile memory is disposed physically apart from the plug-in module group whereby the data inputted in the memory are not lost upon switching off a power supply to the apparatus or upon replacing at least one plug-in module group and whereby upon resuming operation of the apparatus the data may be read and further processed.

Abstract: In an apparatus for inspecting and evaluating fiber material, for example a sliver or fleece, an opto-electronic system, is provided across the width of a textile machine and scans the moving fiber material and converts the measured values into electronic signals. The system is in communication with an image-evaluating device which evaluates the raw data of the system. In order to produce an apparatus that is space-saving and permits a lower overall height combined with at least the same image quality, three or more imaging devices are provided side by side and, in relation to the unit of width, the number of cameras increases as the distance between objective and fiber sliver decreases.

Abstract: In a spinning room machine, especially a flat card, roller card or cleaner, an apparatus for processing, especially grinding and/or sharpening, a clothing on a roller has a processing device which is movable along a track. The spinning room machine has an electronic control and regulation device together with a drive control, which is used for controlling the speed of rotation of the processing device. In order to control and/or regulate all functions of or for the processing device using means that are simple in terms of equipment, control and/or regulation of or for the processing device is integrated into the control and regulation device of the spinning room machine, functional elements of or for the processing device and the control and regulation device of the spinning room machine being capable of exchanging signals.

Abstract: In a device on a spinning preparation machine, especially a carding machine, cleaner or the like, having a machinery housing, the machine and/or fiber feed and fiber discharge devices are arranged in the interior of the machinery housing. In order that the fiber material located inside a housing can be inspected and checked in a simple manner from outside the housing, without the housing being removed, in the interior of the machinery housing there is at least one electronic camera (video camera) which is associated with the textile fiber material and/or a machine element for displaying an image of the surface of the textile fiber material and/or the machine element.

Abstract: An apparatus for evaluating a fiber web running in a card includes a camera for scanning the fiber web along a length and width portion thereof to detect useful fibers and empty locations in the fiber web and to generate signals representing the useful fibers and empty locations; and an evaluating device connected to the camera for determining a distribution of useful fibers per area unit in the fiber web from the signals.

Abstract: In a method at a spinning preparation machine, for example a cleaner, opener, carding machine or the like, for cleaning fiber material, especially cotton, an examination of the nature of the trash is carried out, which examination is used for adjustment of at least one adjustable cleaning element, for example a separating blade, cleaning grid or the like. In order to make possible improved and undisrupted production by simple means, the optimum adjustment of the at least one cleaning element for a specific fiber batch is stored in a memory of an electronic control and regulation device and, when the same fiber batch is processed again, the optimum adjustment of the cleaning element is implemented automatically.

Abstract: A control system for a group of fiber processing machines includes a superordinate control console; and separate machine-specific control consoles connected to each respective fiber processing machine. The superordinate control console and the machine-specific control consoles are connected to one another by control and regulating devices via a network. The superordinate control console is utilized for all and only for those inputs and displays which require no personal control and display acknowledgment at the machines and the machine-specific control consoles are utilized for all and only for those inputs and displays which, for the operation of the machines require a personal control and display acknowledgement at the machines.

Abstract: A control system for a group of fiber processing machines includes a superordinated control console; and separate machine-specific control consoles connected to each respective fiber processing machine. The superordinated control console and the machine-specific control consoles are connected to one another by control and regulating devices via a network. The superordinated control console includes a stationary unit having arrangements for supplying current, for communicating with said network, for storing and administering data, and a computer. The superordinated control console further includes a mobile unit having an operating and displaying unit.

Abstract: A fiber processing machine includes an arrangement for forwarding a sliver through a space in an advancing direction; an arrangement for continuously displacing the sliver in the space transversely to the advancing direction while the sliver is forwarded in the advancing direction; and an apparatus for detecting a presence, absence, motion or standstill of a sliver. The apparatus includes a transmitter emitting a sensor beam passing through the space transversely to advancing direction for being intermittently interrupted by the sliver during displacement thereof transversely to the advancing direction; and a receiver positioned in a path of the sensor beam for receiving a light or a dark signal dependent whether or not the sensor beam is interrupted by the sliver during displacement thereof transversely to the advancing direction.

Abstract: A fiber processing machine includes a clothed roll having a surface for entraining fiber material thereon; a housing at least partially surrounding the clothed roll and conforming to the roll surface; a separating opening provided in the housing and extending along and adjacent a circumferential portion of the roll for receiving waste material thrown from the roll; a waste conduit leading from the separating opening for carrying waste material away from the roll; a camera adjoining the conduit for capturing pictures of the waste material flowing therein; and an electronic image processing device connected to the camera.

Abstract: An apparatus for detecting foreign bodies in fiber material includes at least two light sources. At least one of the light sources has at least three light emitting elements. Each light emitting element radiates a light of different color. An arrangement directs the light emitted by the light sources to the fiber material for illuminating the fiber material, and a sensor detects the illuminating light after illumination of the fiber material for emitting an electric signal upon a sudden color change of the fiber material. An arrangement causes the light sources to alternatingly illuminate the fiber material with different colors, and further, an arrangement selects the color emitted by the light sources as a function of the color of the fiber material.