2171results about "Carding machines" patented technology

A processing line of bast fiber is provided. The processing line is comprised of various devices for carding, cutting, degumming, high temperature washing, separating and water washing, softening, drying, batching and applying oil, permeating and reconditioning, stretching-breaking carding, and combing and sorting. The processing line of bast fiber can improve production efficiency, and improve the yield of long hemp fibers. Moreover, the produced fiber has stable quality and is convenient for post-processing.

Nonwoven textile fabrics in accordance with the present invention are formed primarily of individualized bast fibers substantially free of pectin. The nonwoven fabric can include staple fibers to a lesser extent than the individualized bast fibers. Individualized bast fibers include fibers derived from the flax and hemp plants. The nonwoven textile fabric is formed into a web while in a dry state and subsequently bonded to produce a nonwoven fabric.

The invention relates to a carding machine which is provided with a plurality of drums (20,21,22 and so on) and a covering device, wherein the covering device (1) can form an encloser (E), and the drums of the carding machine is contained in the encloser. The covering device (1) is provided with at least a covering element (10, 11, 12, and 13), and the covering element is vertical to the vertical direction of the drums of the carding machine along a shaft line (MD) and can do translational motion between a covering position and an end portion opening position, the covering position exclusively belongs to the covering unit on the position, at least one portion of the drums of the carding machine is covered by the covering element, and the drums are not covered by the cover element on the end portion opening position.

The invention discloses carding machine equipment for textile fibers. The equipment comprises a feeding case, a casing, a machine base, supporting legs, a pre-carding mechanism, a main carding mechanism, double-doffer stripping-carding rollers, a conveying curtain mechanism and a discharging conveying belt, wherein the feeding case and the casing are arranged on the machine base, the supporting legs are arranged below the machine base, and a feeding conveying belt mechanism is arranged above the feeding case. The equipment is simple in structure and convenient to operate; the feeding case and the casing are arranged above the machine base, the pre-carding mechanism, the main carding mechanism, the double-doffer stripping-carding rollers, the conveying curtain mechanism and the discharging conveying belt are arranged in the casing sequentially, small impurities left in the equipment after pre-carding, main carding and processing by the double-doffer stripping-carding rollers and backing-off rollers are cleared, matched cotton composition fibers are sufficiently mild in a single-fiber state, uniform cotton slivers are prepared, requirements of the later process are met, and the practicability is high.

In an apparatus at a spinning preparation machine, wherein a clothed roller is located opposite at least one clothed component, there is associated with the component, in contact therewith, a piezoelectric sensor which is connected to an electrical evaluation device in communication with a display device and/or switching device. In order, by simple means to make it possible to ascertain the carding intensity, the piezoelectric sensor is a structure-borne sound sensor and the electrical evaluation device is capable of determining the carding intensity from the structure-borne sound.

In an apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, which is supplied by means of a supply device to a fibre-sorting device, especially a combing device, for removal of the combed fibre material at least one take-off device with a sliver-forming element is present, downstream of which is a drafting system. To increase productivity and obtain an improved combed sliver, downstream of the supply device there are at least two rotatably mounted rollers rotating rapidly without interruption, which are provided with the clamping devices for the fibre bundle, and between the sliver-forming element and the drafting system at least one conveyor element for a formed combed sliver is present.

In an apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, which is supplied to a fibre-sorting device, especially a combing device, having clamping devices which clamp the fibre bundle at a distance from its free end, which is combed to remove non-clamped constituents, the clamping devices each comprise two clamping jaws. To increase productivity and to enable an improved combed sliver to be obtained, downstream of the supply device there are arranged at least two rotatably mounted rollers rotating rapidly without interruption, the clamping devices being spaced apart in the region of the periphery of the rollers, and each clamping device comprising at least one nipper part at least partially of a lightweight material. The clamping jaws may have a high coefficient of friction in the region of their clamping surfaces.

An apparatus on a textile machine for cleaning fibre material has a first roller for conveying a travelling fibre web, and second and third rollers which have respective nips with one another and with the first roller on rotation of the three rollers. The second roller is arranged downstream of the third roller and co-operates with the first roller so that fibre is detached, the fibre is transferred to the nip with the third roller and conveyed by the third roller to the nip with the first roller. The rollers have clothing with tips which are inclined in the direction of rotation. To improve the cleaning the front angle a of the tips of the second roller is about from 10° to 50° and the clothing gaps may be large to obtain a higher filling volume for fibres.

In an apparatus for the fibre-sorting or fibre-selection of fibre material which is supplied by means of a supply device to a fibre-sorting device, mechanical means are present which generate a combing action to remove non-clamped constituents such as short fibres. Downstream of the supply device there are arranged at least two rotatably mounted rollers with clamping devices for the fibre bundles, and the supply device comprises a feed unit, which feed unit comprises a feed roller and at least one feed tray defining a nip between said feed roller and said feed tray, and the retaining force in the nip optimally retains the short fibres completely or substantially completely in the nip during separation of a fibre bundle by said clamping devices.

The invention discloses a combined roller top card, which comprises a wool feeding hopper, an opening device, a wool carding device and a cotton carding device. The wool feeding hopper, the opening device, the wool carding device and the cotton carding device are connected in sequence to form a combine. An output portion of the wool carding device is a cutting and stripping device. The cotton carding device is provided with double feed rollers for feeding. The output portion of the wool carding device is connected with a feed portion of the cotton carding device through a feed curtain. A pressure roller is disposed on the feed curtain and close to the front of the double feed rollers of the cotton carding device. An output portion of the cotton carding device is a spinning coiler. The combined roller top card is modified from original cotton spinning and wool spinning equipment, and has the advantages that wool top carding is uniform, neps and impurities are few, fiber damage is reduced, and silver quality is improved, while a gap of semi-worsted product equipment is bridged.

In an apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, which is supplied by means of supply device to a fibre-sorting device, especially a combing device for removal of the combed fibre material at least one take-off means with a sliver-forming element is present, downstream of which is a drafting system to enable productivity to be substantially increased and an improved combed sliver to be obtained, downstream of the supply device there is arranged at least one rotatably mounted roller rotating rapidly without interruption, which is provided with clamping devices for the fibre bundle, which clamping devices are distributed spaced apart in the region of the periphery of the roller and the combed sliver formed is arranged to be supplied directly to the drafting system.

A device on a spinning preparation machine, for example a tuft feeder, having a feed device comprising at least one slow-speed feed roller and a counter-element, for example a feed tray, with which fibre material can be supplied to a downstream transport device, has a driven transport element, for example a conveyor belt. In order to provide improved delivery from the feed device, or improved takeover by the downstream transport device, and to allow troublefree operation, for the purpose of determining setting values for the optimum speed of the transport element, a function between the measured values of the feed roller speed and the measured values of the transport speed is so determined that the fibre material lies on the moving surface of the transport element.

In an apparatus for the fibre-sorting or fibre-selection of fibre material which is supplied by means of supply means to a fibre-sorting device, at least one mechanical device is present which generate a combing action to remove non-clamped constituents such as short fibres. To enable productivity to be substantially increased in a simple manner and an improved combed sliver to be obtained, downstream of the supply device there are arranged at least first and second rotatably mounted rollers with clamping devices for the fibre bundles, and the apparatus further comprises at least two supply devices and/or at least one further high-speed roller and/or at least two take-off devices.

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.

In an apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, which is supplied by a supply device to a fibre-sorting device, especially a combing device, having clamping devices, which clamp the fibre bundle at a distance from its free end, for combing to remove non-clamped constituents, at least one take-off device 14 with a sliver-forming element is present, downstream of which is a drafting system. To increase productivity and improve the combed sliver, the fibre-sorting device has at least two rotatably mounted rollers rotating rapidly without interruption, having the clamping devices and between the sliver-forming element and the drafting system the at least one fibre sliver is present in the form of a fibre structure having a width greater than its height, for example, following spreading by a web-spreader.

In an apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, which is supplied to a fibre-sorting device, especially a combing device, having clamping devices which clamp the fibre bundle at a distance from its free end, which is combed to remove non-clamped constituents, the clamping devices each comprise two clamping jaws. To increase productivity and to enable an improved combed sliver to be obtained, downstream of the supply device there are arranged at least two rotatably mounted rollers rotating rapidly without interruption, the clamping devices being spaced apart in the region of the periphery of the rollers, and each clamping device comprising at least one nipper part which is at least partially resilient. The clamping jaws may have a high coefficient of friction in the region of their clamping surfaces.

In an apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, fibre is supplied by a supply device to a fibre-sorting device, especially a combing device. Clamping devices clamp the fibre bundle at a distance from its free end, and a mechanical device combs the free end to loosen and remove non-clamped constituents, for example, short fibres, neps, dust and the like. To increase productivity and obtain an improved combed sliver, downstream of the supply device there are at least two rotatably mounted rollers rotating rapidly without interruption, which are provided with the clamping devices, and measured value sensors for detecting values relating to the fibres or machine settings are connected to a control and regulation device, which is arranged to effect actions in dependence on the measured values.

The invention discloses a cashmere carding machine, which comprises a feeding mechanism, an opening mechanism, a coarse wool and impurity removing mechanism and a carding mechanism, wherein the coarse wool and impurity removing mechanism comprises a plurality of coarse wool and impurity removing units, and each coarse wool and impurity removing unit comprises two coarse wool and impurity removing subunits, each coarse wool and impurity removing subunit comprises a licker-in, a cylinder and a doffer, the licker-in, the cylinder and the doffer are arranged in a straight line, the coarse wool and impurity removing unit also comprises a bottom delivery flat curtain used for collecting dropped material, the front side of the bottom delivery flat curtain is provided with a material collecting groove, a condenser is arranged between two adjacent coarse wool and impurity removing units, and the material collecting grooves in the coarse wool and impurity removing units are connected with the feeding mechanism or the condensers through a conveying fan and a feedback pipeline. By the cashmere carding machine, the removing effect of impurities in raw material fiber can be further improved, and machine is conductive to improving the quality of a finished animal fiber product and at the same time helps to improve the extraction ratio of dehaired wool.

The invention relates to a natural cotton fiber spunlaced nonwoven fabric for medical health and a production method thereof. The method is performed according to the following steps: preprocessing fibers; preliminarily combing cotton fibers; performing fine mixing; performing fine combing; forming a fiber net and performing drafting; performing hydraulic entanglement on the fiber net to form a cotton fiber spunlaced nonwoven fabric, and squeezing a bleaching solution into the fabric; performing cold pad-batch; removing cotton wax and pectin substances through a one-step method; performing cloth cover modification or jacquard treatment on a jacquard spunlaced device; drying the cotton fiber spunlaced nonwoven fabric on a tentering and setting machine; cutting the natural cotton fiber spunlaced nonwoven fabric, packaging the cut cotton fiber spunlaced nonwoven fabric, and warehousing the packaged cotton fiber spunlaced nonwoven fabric. According to the natural cotton fiber spunlaced nonwoven fabric for medical health, the gram weight deviation of the unit area does not exceed the range of minus 7% to plus 7%, the whiteness is greater than and equal to 85, the water absorption time is smaller than or equal to 5 s, the pH value is 6-8, the water-soluble matters are less than or equal to 0.5%, the soluble matters in ether are less than or equal to 0.5%, and the surface active substances are smaller than or equal to 2 mm. The natural cotton fiber spunlaced nonwoven fabric for medical health, provided by the invention, has the advantages of good hand feeling, good moisture absorption, good air permeability and no irritation to skins, the nonwoven fabric can be naturally degraded after being used, and the nonwoven fabric completely meets the requirement of environmental protection. The nonwoven fabric can be widely applied to the fields of medical care, hygiene, cosmetology, daily life, industrial cleaning, clean rooms and the like.

A main carding mechanism of non-woven cloth carding machine, which belongs to the field of non-woven machinery technology, comprises main cotton carding drums arranged on wall plates on two corresponding sides of a frame, a plurality of carding unit groups consisting of a working roller and a cotton stripping roller and similarly arranged on the wall plates of the two corresponding sides of the frame, and a web making roller and a stripping roller arranged on two corresponding sides of the frame rotatablely at both ends, wherein a transfer roller and the stripping roller are independently rotatablely arranged on the frame. The main carding mechanism is characterized in that a high-speed cotton stripping roller matched with the main cotton carding drums is arranged on the frame at a position substantially above the space between the main cotton carding drums and the web making roller and corresponds to the length directions of the main cotton carding drums and the web making roller. The main carding mechanism has the advantages that the fiber on the main cotton carding drums are completely transferred to the web making roller to make the weights of thin cotton webs reaching a transfer curtain consistent with each other, so that the production can be carried out continuously without periodically stopping machine to clean the main cotton carding drums.