313results about "Safety devices for fibre treatment" patented technology

In an apparatus on a spinning preparation machine, for example a flat card, roller card, draw frame, combing machine or the like, for ascertaining the mass and/or fluctuations in the mass of a fibre material, for example at least one fibre sliver, fibre web or the like, of cotton, synthetic fibres or the like, the fibre material is scanned mechanically by a feeler element the excursions of which are converted into electrical signals. In order to facilitate improved and more accurate measurement of the fibre in a way that is simple in terms of structure and installation, a contactless distance sensor is provided for detecting the position of the feeler element, the sensor being a sensor that measures distance using transmitted waves, and is connected to an electronic evaluating device.

In an apparatus at a spinning preparation machine, for example a cleaner, opener, carding machine or the like, for detecting waste which is separated out from fibre material, for example cotton, and consists of foreign matter and good fibres and which is collected in a collecting device, there is provided an optical measuring device having a brightness sensor, which measuring device examines the waste.

In order to make it possible, by simple means, for the content of good fibres in the waste to be detected and to allow optimum adjustment of the composition of the waste, especially with a high content of trash and low content of good fibres, the waste material is moved past at least one sensor arrangement responding to good fibres, and the sensor arrangement comprises a light source, the light reflected by the moving good fibres being detected by the brightness sensor and being converted into electrical signals, from which the good fibre content can be determined.

<heading lvl="0">Abstract of Disclosure</heading> Machines for ultra-rapidly conditioning cotton fiber. In one embodiment, a machine includes a conditioning chamber for receiving cotton fiber formed into a sheet-like body. The conditioning chamber is defined on one side by an impervious plate and on an opposite side by a perforated plate. The sheet-like body of cotton fiber is pressed between the impervious and perforated plates. An air conditioner is connected for driving a conditioned gas flow through the perforations and then laterally through the sheet-like body of cotton fiber. In another embodiment, a conditioning chamber is defined on one side by an impervious plate and on an opposite side by a distribution plate having a series of alternating passages connected for respectively delivering gas flow to the cotton and for allowing gas flow to exit from the cotton. As a result, relatively short path lengths are achieved. An air conditioner is connected for driving a conditioned gas flow through the passages for delivering gas flow. In a processing embodiment for conditioning fiber being pneumatically transported by a gas flow, fibers are collected to form a thin mat. Aerosolized liquid is delivered to the thin mat, and then conditioned fiber from the thin mat is re-delivered into the gas flow.

The invention relates to a sesaron combing and sorting method and a device; combed ramie stripes with different specifications and lengths are obtained through a plurality of layers of combing; the split degree of the ramie stripes is decided by comb needle models used in all the layers of combing; and the lengths of the ramie stripes are changed by adjusting a pulling vehicle. In a combing and sorting mechanism of the device, circular comb needle strips are lined in a circumference of 0 to 270 degrees respectively through a rack method and a rack and needle row combined method, and top combs are in a single row or a plurality of rows. A pulling separation mechanism comprises the pulling vehicle, the pulling vehicle is arranged on a regulation frame, the regulation frame is provided with a rod and a circular arc-shaped chute, a bolt is inserted into the circular arc-shaped chute, the bolt is fastened on a frame, the bolt is loosened, and the regulation frame can slide along the circular arc-shaped chute by triggering the rod. At least two pairs of curl rollers are arranged in a strip discharge mechanism. The ramie stripe fibers processed by the method and the device are even and uniform, have short fiber rate, uniform fiber length and low ultra-long length fiber content, so that the fibers are more parallel and straighter, the operation is convenient, the efficiency is high, and the labor intensity is low.

The device for measuring the mass and/or the moisture of a material running through a spinning preparation machine is distinguished in that it has a microwave resonator (15, 18) and associated adapted measurement electronics. The method for measuring the mass and/or the moisture of a material running through a spinning preparation machine is distinguished in that the measurement is carried out with the aid of microwaves.

The application relates to a microwave sensor for measuring a dielectric property, especially the density and/or moisture content of a product, having a microwave resonator, wherein a product introduced into the resonator interacts with a resonant microwave field generated in the resonator in order to determine suitable measured quantities, and is characterised in that at least two half-waves of the electric field are formed in the resonator in one direction, the product feed being effected in at least one region of high field intensity of one of the half-waves of the electric field.

The present invention provides an auto distinction system and an auto distinction method with which suitability of a width, a thickness, and a stain of a continuously moving assembled fiber band can be accurately distinguished. An assembled fiber band such as a filter tow which continuously moves on the front side of a background plate is imaged by a line sensor. Based on the produced video signal, a characteristic information containing a defect information concerning a thickness, a width, and a stain of the assembled fiber band is detected, and the defect information is extracted from the characteristic information. Thus suitability of the assembled fiber band is distinguished. For example, the video signal is supplied to a noise-eliminating circuit 6a and a defect signal concerning the thickness of the assembled fiber band is extracted. Based on the extracted signal and a reference signal with respect to the information, suitability of the defect information is distinguished by a distinction circuit 7. When the results of distinction are defective, the results are announced by an annunciation circuit 8. The video signal may be clamped by a clamping circuit 5b, and based on the clamped video signal, the defect information of the assembled fiber band may be extracted. The characteristic information or the defect information may be supplied to an external computer and used for process control.

The invention discloses a device for detecting foreign fibers in raw cotton. The device comprises a mechanical part and a control part; the mechanical part comprises a machine frame, a paving mechanism, a discharging conveying belt, a detection mechanism and a pneumatic removal mechanism; the feed end of the discharging conveying belt is positioned below the discharging end of the paving mechanism; the detection mechanism comprises a charge coupled device (CCD) camera and an illumination mechanism and is positioned above the middle part of the discharging conveying belt; the pneumatic removal mechanism is positioned below the discharging end of the discharging conveying belt; the control part comprises a programmable logical controller (PLC) and a CCD image processor; the PLC controls the CCD image processor to acquire raw cotton image signals from the CCD camera; and the CCD image processor judges whether foreign fibers are mixed in the raw cotton and feeds back a judgment result to the PLC, and the PLC controls the pneumatic removal mechanism to act. The invention also discloses a method for detecting the foreign fibers in the raw cotton by using the device. By the device and the method, the foreign fibers in the raw cotton are detected and removed.

In order to detect and remove interfering particles, particularly trash particles, husk naps, seed remnants and the like, from textile fiber goods, a device on a carding machine, a cleaner or the like is provided across the width of the carding machine, cleaner or the like with at least one detection device, for example, a camera with an electronic evaluation device for the detection, and a downstream-connected separating device for removing the particles. A plurality of guide elements are provided across the width, which can selectively deflect the fiber goods regions containing the interfering particles to improve the effect of the separating device in a simple manner.

The invention relates to a multi-channel detection foreign fiber sorting machine with a CCD camera and an ultrasonic sensor. The machine comprises a box body, wherein the centre region of the box body is provided with a cotton passage pipeline; the end, positioned in the box body, of the cotton passage pipeline is provided with a connecting pipe; the connecting pipe is provided with a foreign fiber pipeline and an outlet pipeline; the junction between the connecting pipe and the foreign fiber pipeline is provided with a high-pressure electromagnetic valve; the inlet of the high-pressure electromagnetic valve is connected with a high-pressure air storage tank; the two sides, corresponding to the cotton passage pipeline, in the box body are both provided with mounting blocks; the mounting blocks are provided with a first color linear array scanning CCD camera, a second color linear array scanning CCD camera, a first black and white linear array scanning CCD camera and a second black and white linear array scanning CCD camera; the cotton passage pipeline is also provided with a first lighting device and a second lighting device; and the end, corresponding to the adjacent cotton passage pipeline, of the connecting pipe is provided with the ultrasonic sensor. The machine has large cotton passage number, high sorting speed, high sorting efficiency, high anti-jamming capacity, high detection accuracy, safety and reliability.

The invention provides a dual opening ring control device and a method which are applied to self-adjusting regulating technology. The device of the invention comprises a rear roller, a group of middle rollers are arranged in front of the rear roller, a front roller is arranged in front of the middle rollers, a first detecting mechanism is arranged behind the rear roller, the rear roller and the front roller are respectively connected with a first executing mechanism and a second executing mechanism, a second detecting mechanism is arranged among the middle rollers, the output ends of the first detecting mechanism and the second detecting mechanism are connected with the input end of a control mechanism, and the output end of the control mechanism is connected with the input ends of the first executing mechanism and the second executing mechanism respectively. The method comprises the following steps: cotton strips firstly pass through the rear roller and the middle rollers to finish ring opening regulating for the first time, and then pass through the middle rollers and the front roller to finish ring opening regulating for the second time. The advantages of the invention are: the invention is particularly suitable for strip combining machines, and eliminates the problems existing in the original system such as blind area, dead area as well as advanced or postponed regulating.

Apparatus in a spinning room preparation, ginning or the like installation for detection of foreign matter in fibre material, having a presentation channel in which foreign matter can be detected by at least two successively arranged sensor arrangements, and having a pneumatic conveying means for passing the fibre material through the presentation channel, wherein: a first said sensor arrangement comprises a first detector device having at least one electronic camera having a colour sensor system and another detector device operated in UV arrange. it is an aim of the invention to provide an apparatus that can be incorporated in space-saving manner in a production line by means that are simple in terms of construction, and that permits effective detection of white and/or transparent plastics and also coloured foreign matter. When another detector device is present, the foreign objects are arranged to be illuminated by means of a source of ultraviolet light, and the foreign objects are arranged to be transilluminated by means of a source for polarised light; and the polarised light and light reflected as a consequence of UV irradiation are jointly recordable by the another detector device.

The invention discloses a disc plucking machine, which comprises a silo (1), a rotating column (2) is arranged at the central position of the silo (1), an annular guide rail (3) is arranged on the outer wall of the silo (1), and the annular guide rail (3) is provided with a driving trolley (4), a driving column (5) is provided above the driving trolley (4), and a supporting sliding device (6) is provided between the driving column (5) and the rotating column (2) to support sliding The device (6) is provided with a lifting device (7), and the bottom of the lifting device (7) is provided with a cotton collection device (8), and the bottom of the cotton collection device (8) is respectively provided with an impurity removal device (9) and a humidification device (10) . The invention has the characteristics of improving cotton grasping efficiency, improving the impurity removal effect and reducing the clogging frequency of the cotton receiving hopper.

The invention relates to a device in a spinning room preparaed for detecting foreign bodies made of plastics, such as polypropylene tapes, fabrics and films and the like, in or between fibre tufts, for example of cotton, in particular for detecting in fibre materials those packaging materials and waste plastics which are not detectable using polarised light (non-transparent) or detectable using UV light (non-fluorescent), by illuminating the fibre material on the one hand with non-polarised light of one wavelength range and at the same time with polarised light of a different wavelength range in such a way that both kinds of light can be used together in one machine at closely adjacent inspection stations.

A device (1) for detecting foreign matter in a moving solid elongated test object (9), for example a yarn, comprises a sensor (2) for picking up an electrostatic signal from the test object (9). The sensor (2) is suitable for picking up an electrostatic signal from such excess charges that were already previously present on the test object (9). The device (1) also comprises a sensor (2) for picking up a further signal, for example a capacitive signal, from the test object (9). Furthermore, evaluation means (7) are present to evaluate the electrostatic signal and the further signal and to detect foreign matter. The combination of the electrostatic signal and the further signal produces an improvement in selectivity. False alarms are reduced, and greater reliability and sensitivity are achieved.

An apparatus used on a spinning room preparation machine, which is specially a carding mechine, a draw frame, a combing machine or a bobbiner and has a drafting mechanism for drafting strand fibre materials, has a pair of scanning rollers pressed against one another for continuously recording the cross-sectional area and/or fibre amount of at least one fibre strip, wherein one of the rollers is immovable and the other roller is arranged that it can deviate from the immovable roller. The apparatus has a non-contact spacing sensor for measuring the spacing from the corresponding surface (sensedsurface). In order to arrange the spacing sensor in simple modus specially in limited spacing and improve the connection between the spacing sensor and the sensed surface, the spacing sensor is integrated to the holding element of the roller.

A control and display arrangement for a spinning preparation system comprising a plurality of machines, e.g. carding machines and/or draw frames, comprises at least one control and display device and the machines each have a machine-related control and display device, all the control and display devices connected to one another via a network. The control and display devicehas a first stationary unit, which substantially comprises a power supply, communications with the network, data storage and management and a computer, and a second mobile unit comprising an operating and display unit .

The present invention provides a device used for detecting and separating impurity in or between fiber materials on a spinning preparation machine (or a cotton gin or analog). The device is provided with a fiber transmission pipe. A sensor system for detecting the impurity and a separation device are sequentially provided along the pipe in the transmission direction. The separation device is provided with at least one compression air nozzle (for blowing air) which operates transversely with the fiber transmission pipe. The fiber transmission pipe is provided with a first opening opposite with the compression air nozzle. The first opening is introduced to a separation chamber connected with a waste discharge device. Furthermore the blowing air from at least one compression air nozzle can be supplied to the conveying air flow in a closed system from the separation chamber through an additional opening. For reliably insulating the impurity from the fiber material flow with a mode with simple structure and preventing generating negative influence for the air balance, the separation chamber is integrally connected with the fiber transmission pipe. Furthermore the blowing air passes through a filter, a sieve or analog before returning to the conveying air flow.

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.

An apparatus used on a spinning room preparation machine, which is specially a carding mechine, a draw frame, a combing machine or a bobbiner and has a drafting mechanism for drafting strand fibre materials, has a pair of scanning rollers pressed against one another for continuously recording the cross-sectional area and/or fibre amount of at least one fibre strip, wherein one of the rollers is immovable and the other roller is arranged that it can deviate from the immovable roller. The apparatus has a non-contact spacing sensor for measuring the spacing from the corresponding surface (sensedsurface), used to be integrated into the holding element of one of the rolls. In order to arrange the spacing sensor in simple modus specially in limited spacing and improve the connection between thespacing sensor and the sensed surface, the spacing sensor and the corresponding surface are arranged at the mutually faced lateral parts of the holding element.

An apparatus on a spinning preparation machine for monitoring and/or adjusting clearances at components has a clothed, high-speed roller located facing at least one clothed and/or unclothed component and the clearance between the components facing one another is alterable. The roller and opposed component(s) are electrically isolated with respect to one another and are connected as contact elements to an electrical power supply line in which a measuring device for ascertaining contact is located. In order to avoid an undesirably heavy contact between the components, electric signals are emitted upon contacts with the clothing of the roller and the measuring device is arranged quantitatively to determine the contacts.