48results about "Lap forming devices" patented technology

The invention discloses a pressing and feeding roller net discharging assembly of a carding machine and a net discharging transfer process, the pressing and feeding roller net discharging assembly comprises a pressing and feeding roller and a conveying belt, the pressing and feeding roller is a breathable roller capable of rotating, and a negative pressure adsorption assembly is arranged in the breathable roller. A fiber net is formed based on single condensation and synchronous compression copolymerization after stretching, and after entering a net outlet connection area, the fiber net is smoothly stripped from a stripping roller at constant tension and constant angle based on the cooperation of a constant adsorption area and a self-rotating breathable roller, and is synchronously transferred to a net outlet channel along with the breathable roller under the condition of keeping the same tension; and therefore, the outlet uniformity of the fiber net is improved.

The utility model relates to the technical field of wool processing, in particular to an automatic exchange mechanism for wool roll containing barrels, which comprises two supporting tray structures for placing wool roll containing barrel bodies and a power roller for driving the wool roll containing barrels to rotate on the supporting tray structures. The middles of the two supporting tray structures are fixed through a connecting plate, and a rotating shaft is fixedly installed on the connecting plate. During use, after wool rolls in the wool roll containing barrel body on the side are fully loaded, the two wool roll containing barrel bodies are driven by the first driving assembly to completely slide out of the mounting frame, and then the wool roll containing barrel bodies on the two sides are driven by the second driving assembly to complete position interchange; the core wire can be placed in the wool roll containing barrel body on the side close to the power roller without shutdown, wool rolls can be taken out of the wool roll containing barrel body in the full-load state on the side away from the power roller after position exchange, and the machining speed of the whole winding production line is remarkably increased.

The present invention discloses a multi-fiber compact siro spinning production line capable of recycling waste materials, comprising a control system, a cotton mixing system, a cotton opener, a cotton feeder, a roll forming machine, a carding machine, a drawing system, a roving frame, a spinning frame, a winding device, a drawing system waste cotton collection system, a roving frame waste cotton collection device, a spinning wind cotton collection device, and a waste drawing and tearing device; the cotton mixing system comprises a mixing disk group, a first plucker, a baler, a second plucker, a multi-bin cotton mixing machine, and a wool combining machine arranged on one side of the baler, which are connected in sequence; the waste drawing and tearing device is respectively connected to the drawing system waste cotton collection system, the roving frame waste cotton collection device, and the spinning wind cotton collection device; and the waste drawing and tearing device is connected to the mixing disks of the mixing disk group. The production line of the present invention can recycle waste cotton, achieve raw material recycling, reduce production costs, reduce differences in various properties, and ultimately produce high-quality yarn.

Facility (1) for producing mineral wool, comprising at least one supply device (4) for supplying mineral fibres (3) and a fibre-distribution station (2) comprising a conveyor belt (14) which can move in a longitudinal direction and on which the mineral fibres (3) can be received so as to form a mineral fibre mat (15), characterised in that the fibre distribution station comprises a roller table (12) arranged on the passage of the mineral fibres (3) that are intended to fall by gravity onto the conveyor belt (14), wherein each roller (13) can be driven in rotation about a transverse axis of rotation, the rollers (13) being configured to dispose the mineral fibres (3) uniformly through the thickness of the fibre mat (15) formed on the conveyor belt (14).

The utility model discloses a coiling device for a drawing frame, and relates to the technical field of drawing frames, in particular to the coiling device for the drawing frame, which is mounted on the drawing frame and comprises a cross frame, two sliver cans and two coiling parts, and two ends of the cross frame are fixedly mounted with the drawing frame; the can body is driven by the servo motor to rotate, the can body drives the coiling disc to rotate, the coiling disc swings cotton slivers when rotating, the cotton slivers descend in a spiral mode, the cotton slivers are in a ring shape after touching the bottom, and therefore the cotton slivers are wound in the cotton sliver can. The telescopic piece drives the supporting plate to ascend or descend, the supporting plate drives the coiling disc to ascend or descend through the barrel, the coiling disc is located in the sliver can after descending, and therefore the height difference between the coiling disc and the inner bottom of the sliver can can be reduced, and slivers can spirally swing and descend; and the lower part of the cotton sliver can has enough throwing force to be tightly attached to the wall of the cotton sliver can, so that the distance between the cotton sliver and the cotton sliver can is prevented from being large, and the cotton sliver can can normally accommodate and load the cotton sliver.

The invention relates to a device and a method for profiling a fiber pile (2) or nonwoven fabric on a fiber-guiding conveyor belt (1) or a fiber-guiding work roller (14), comprising at least one suction-fed and / or needle-, tooth- or brush-equipped drum (4) designed to remove fibers from the fiber pile (2) or nonwoven fabric over the entire working width or over partial areas of the working width, wherein the relative speed and / or the distance and / or the angle of the at least one drum (4) to the fiber-guiding conveyor belt (1) or to the fiber-guiding work roller (14) is adjustable.

A manufacturing apparatus of a carbon fiber sheet molding compound. The manufacturing apparatus includes a chopper which is disposed above a moving path of a carrier film; a bundle loosener which is used for loosening a continuous carbon fiber bundle drawn out from a package and fed to the chopper; and a dispersing roll which is rotationally driven to disperse chopped carbon fiber bundles generated by cutting the continuous carbon fiber bundle with the chopper. The bundle loosener has a gear pair of two gears meshing with each other, where each of the gears may be a spur gear. A method of manufacturing a carbon fiber sheet molding compound which involves using the manufacturing apparatus.

The invention discloses a brad curtain and under screen synchronous adjusting device for a vibrating cotton box, and belongs to the technical field of non-woven fabric machinery. The synchronous adjusting device comprises a wall plate, a screen bottom assembly and a synchronous adjusting assembly. The wallboard is fixedly connected to the bottom of the vibrating cotton box; the under-screen assembly is detachably connected to the inner walls of the two wallboards; the synchronous adjusting assembly is detachably connected to the outer walls of the two wallboards. The under-screen assembly and the brad curtain are synchronously adjusted through the synchronous adjusting assembly so as to control the distance between the under-screen and the brad curtain. The under screen is synchronously adjusted up and down along with the brad curtain, the distance between the under screen and the brad curtain is always kept at a set value in the brad curtain adjusting and normal working period, and the effect that the technological parameters of equipment cannot be influenced by adjusting the tension degree of the brad curtain is achieved. The technical problem that when a brad curtain of a vibration cotton box of a non-woven fabric production line in the prior art is adjusted up and down, the distance between a screen bottom and the brad curtain is changed is solved.

The application discloses a web-laying machine cleaning device and a use method thereof, which utilizes a rotating shaft, an electrostatic generator, an adsorption unit and a ratchet structure and the like to swing the adsorption unit and make the adsorption unit carry static electricity, so that the adsorption unit can adsorb fibers in the swing, the fibers can be adsorbed onto the adsorption unit under the joint action of electrostatic attraction and air flow, the adsorption capacity for the fibers is enhanced, the fiber content in the air is reduced, the influence of the fibers in the air on the web-laying process is avoided, and the defect that the adsorption range of the web-laying cleaning structure in the prior art is small is solved; the setting of the adsorption plate and the adsorption tooth increases the contact area of the adsorption unit and the air, the adsorption unit can more fully contact the fibers in the air, the adsorption tooth can more conveniently contact the cleaning device, the cleaning of the fibers on the adsorption tooth can be accelerated, the cleaning capacity for the fibers is improved, and the cleaning efficiency of the adsorbed fibers is increased.

The invention relates to a fibre treatment plant (1) and a treatment method for a moving fibrous web (6, 6', 6'') comprising a fibrous web producer (2), in particular a card or carding machine, a consolidation device (4), in particular a spunlacing device, and a fibre orientation device (3) which comprises at least one orientation unit (22, 23, 24) which comprises at least one condenser unit (25) which is configured to back up the moving fibrous web (6, 6') at a backing-up location (26) between fibrous web conveying means which are driven in a controlled manner and at different transport speeds, and in the process to reorient fibres in the fibrous web (6, 6') from a fibre orientation in the longitudinal direction (MD) into a fibre orientation in the transverse direction (CD), wherein the fibrous web conveying means which feeds in the fibrous web (6, 6') has a higher transport speed at the backing-up location (26) than the discharging fibrous web conveying means. The fibre orientation device (3) comprises an intermediate orientation unit (23) which is arranged in the region between the fibrous web producer (2) and the consolidation device (4) and comprises a plurality of condenser units (25, 25') which are arranged behind one another in a transport direction (7) of the fibrous web (6) and have a plurality of back-up locations (26, 26').

Title: Three-belt spreader-lapper Spreader-lapper, comprising an inlet or front belt (1) through which a web of fibers, in particular non-woven, is introduced, the inlet belt being arranged so as to convey the web towards an inlet or accumulator carriage (4), having a back and forth movement and in which the web undergoes a reversal, in particular 180°, to be returned, by means of a rear belt (6), into a depositing carriage (3), which has a movement which deposits the accumulated web on an outlet apron (2), transversely in one direction and in the other relative to the direction of movement of the outlet apron, to thus obtain the web, the depositing of the web taking place at the level of a depositing gap (7) formed between the inlet belt (1) and the rear belt (6),characterized in that the spreader-lapper comprises an intermediate belt (8) arranged so as to transport the web conveyed by the entry belt (1) until it is turned over in the entry carriage (4), and to sandwich the web with the rear belt (6) at least after it has been turned over. Figure for the abstract: Fig. 1,

A primary object is to provide an improvement in manufacturing method of a carbon fiber sheet molding compound. The manufacturing method of a carbon fiber sheet molding compound comprises feeding a continuous carbon fiber bundle drawn from a package to a chopper through a guide tube, subjecting the continuous carbon fiber bundle to a loosening treatment before passing through the guide tube, dropping chopped carbon fiber bundles generated by cutting the continuous carbon fiber bundle with the chopper, onto a moving carrier film to form a random mat, and impregnating the random mat with a paste comprising a thermosetting resin composition.

A cross-laying machine includes a feed conveyor belt (1') that introduces a fiber web, particularly a nonwoven web, into an input carriage (4') or collector having a reciprocating motion, in which the fiber web is tumbled, particularly 180°, to advance via a rear conveyor belt (6') to a laying carriage (3'), which moves in a transverse reciprocating manner relative to the direction of movement of an output platform, such that the web is laid on an output platform (2') to obtain a roll, characterized in that the feed conveyor belt (1') is arranged to convey the web until the web is tumbled in the input carriage (4'), and such that it clamps the web between the rear conveyor belt (6') before, during and after the web is tumbled, particularly until the laying carriage (3').

The invention relates to a coiling system which comprises a frame body, the frame body is sequentially provided with a conveying roller, an upper coiling device and a lower coiling device from top to bottom, and a material barrel is arranged between the upper coiling device and the lower coiling device; the upper coiling device comprises an upper coiling roller, a wool inlet upper plate is arranged above the upper coiling roller, and a plurality of wool inlets are formed in the wool inlet upper plate; the lower coiling device comprises a lower coiling large gear, a lower coiling driven gear and a lower coiling driving gear arranged at the output end of a lower coiling servo motor, the lower coiling driving gear is meshed with the lower coiling large gear, and the lower coiling large gear is meshed with the lower coiling driven gear. The upper coiling device and the lower coiling device adopt an independent driving form, so that the transmission precision is improved, the forming of the coiling devices meets the subsequent reprocessing requirement, the tight adjustment of the upper coiling device and the lower coiling device is more convenient and quicker, the speed can be randomly adjusted, the replacement is convenient, the stability of the coiling devices under high-speed movement is greatly improved due to the improvement of the whole structure, and the production efficiency is improved. And finally, the wool top forming quality is improved.

Methods, apparatuses, and systems for forming a random fiber web using a pneumatic fiber transport system are disclosed. In one embodiment, a method can optionally include providing a plurality of movable devices including a lickerin configured to remove a plurality of fibers from a mat of fibers transported by a conveyor to a vicinity of the lickerin, causing the plurality of fibers to be dislodged from the lickerin at a dislodgement location within the system, communicating a gas source to entrain the plurality of fibers with the gas source after dislodgement, and collecting the plurality of fibers from the gas source to form the random fiber web.

Methods and systems of forming a random fiber web using pneumatic fiber feeding system are disclosed. The method can optionally comprise: providing a plurality of moveable apparatuses including a lickerin and a feeder, the lickerin configured to remove a plurality of fibers from a fibrous mat delivered to adjacent the lickerin by the feeder; doffing the plurality of fibers from the lickerin at a doffing location within the system; communicating an air supply to entrain the plurality of fibers with the air supply after the doffing; and collecting the plurality of fibers from the air supply to form the random fiber web.

The present invention is an equipment and a process for forming fibrous webs by air-laying, as may suitably be part of a converting equipment or process for manufacturing articles such as bed pads, or wipes, or diapers, or feminine hygiene pads or incontinence articles.

The application discloses a full-process intelligent dehairing fiber blending compact cellophane spinning production line, which comprises a control system and a dehairing fiber sliver production line, a colored fiber sliver production line, a cotton roll cutting device, a slivering system, a roving frame, a spinning frame, a bobbin device, a slivering system waste cotton collecting system, a roving frame waste cotton collecting device, a spinning frame waste cotton collecting device, a pre-sluivering machine waste cotton collecting device, a first waste slivering tearing device and a second waste slivering tearing device connected with the control system. The first waste slivering tearing device is connected with the slivering system waste cotton collecting system, the roving frame waste cotton collecting device and the spinning frame waste cotton collecting device respectively. The second waste slivering tearing device is connected with the cotton mixing disc group of the first cotton picker, and the first waste slivering tearing device is connected with the second cotton picker. The production line can recycle waste cotton, improve the uniformity of raw material mixing, reduce the difference in sliver properties and be more convenient for the yarn quality of the final product.

The utility model discloses a double-eye drawing frame, which belongs to the technical field of drawing frames and comprises a casing, the casing is provided with a working space, and at least one side of the working space is open. The storage barrel assembly is contained in the working space, the storage barrel assembly is provided with a rotatable inner barrel and a rotatable outer barrel, the inner barrel is rotatably arranged in the outer barrel, a containing space is formed between the outer peripheral wall of the inner barrel and the outer peripheral wall of the outer barrel, and the inner barrel and the containing space are used for containing cotton slivers; the drawing assembly is movably arranged in the working space, the drawing assembly is provided with a first outlet and a second outlet, and the drawing assembly moves to selectively control the first outlet and / or the second outlet to move. According to the double-hole drawing frame designed by the utility model, the cotton slivers are orderly stored in the inner barrel and / or the accommodating space, the possibility that the cotton slivers are disordered or knotted is reduced, meanwhile, the subsequent taking and processing of the cotton slivers are also facilitated, and the overall production efficiency of a production line is improved.

The application discloses a biodegradable fabric production device and relates to the technical field of biodegradable fabric production.The device comprises a base body, a fixed block and a sliding block two, the inner bottom of the base body is provided with a mounting seat, the upper end of the mounting seat is provided with a carding mechanism, the right side of the mounting seat is fixedly provided with a mounting frame, the top of the mounting frame is sequentially provided from left to right with a conveying belt mechanism, an adjusting assembly and two mounting plates, the two mounting plates are fixed on the front and back sides of the mounting frame respectively, and the inner sides of the two mounting frames are slidably connected with sliding blocks one through electric push rods.The controller system is used for adjusting and matching between the conveying belt mechanism, the sliding frame and the rollers, so that the carding mechanism can be used for flat laying and discharging cotton yarn and stacking in various modes.The controller system is used for controlling and adjusting the adjusting assembly and the stacking assembly, so that the carding mechanism can be used for cylindrical discharging and stacking of the cylindrical cotton yarn in various modes on the basis of flat laying and discharging the cotton yarn.

The present invention relates to a method for forming a nonwoven fabric made of a multilayer fiber web by means of a cross-lapper, wherein a plurality of layers made of a fiber web are laid one on top of the other by means of the cross-lapper in order to adjust a predetermined working width, wherein the laying width of the laid fiber web is reduced by means of the cross-lapper from the predetermined working width to an introduction width in order to produce an introduction strip. The invention also relates to such a cross-lapper and its use.

The present invention discloses a single condensation net structure and a carding machine, wherein the net structure includes a doffer, a condensation roller, a stripping roller and a pressure roller arranged in sequence from back to front; a conveyor belt, wherein a net channel is formed between the pressure roller and the conveyor belt. On the one hand, the present invention adopts a single condensation roller and a unidirectional (or unidirectional) transfer to complete the first stretching and then synchronous compression copolymerization of the fiber, and is not affected by the rotation speed of each roller, so as to meet the production demand of high-speed net output, and at the same time, not only optimizes the condensation roller structure, but also overcomes the defects of insufficient fiber web strength and quality caused by improper control of roller speed difference; on the other hand, based on the cooperation of a constant adsorption area and a self-rotating air-permeable roller, the fiber web is smoothly stripped off from the stripping roller while maintaining constant tension and constant angle, and is synchronously transferred to the net channel with the air-permeable roller under the same tension, thereby improving the uniformity of the fiber web output.

The utility model relates to the technical field of cashmere-like fiber production equipment, and discloses cashmere-like fiber production equipment which comprises an equipment mounting frame, a carding and winding mechanism is arranged at the top of the equipment mounting frame, a waste collecting mechanism is arranged at the bottom of the equipment mounting frame, and a supporting column is fixedly connected to the top of the equipment mounting frame; the carding and rolling mechanism comprises a carding assembly and a cutting and rolling assembly, the carding assembly is arranged at the top of the equipment mounting frame, and the cutting and rolling assembly is arranged at the top of the equipment mounting frame. The cashmere-like fibers with different thicknesses can be controlled to be produced through the carding assembly, and the limitation of cashmere-like fiber production is reduced; the carded cashmere-like fibers are collected through the cutting and winding assembly, and the production efficiency of the cashmere-like fibers is improved. And the waste collecting mechanism is used for collecting and quickly treating mixed wool impurities generated during production of the cashmere-like fibers, so that unnecessary influence on the production environment is reduced.

The invention relates to a device and a method for aerodynamic nonwoven formation, comprising at least one rotatable opening roller (2) provided with needles or clothing, a device for generating an air flow (4), a guide element (5) and an air-permeable deposit arranged below the opening roller (2), wherein the opening roller (2) is designed to spin out fibers (3) by means of high rotational speed, which are deposited onto the air-permeable deposit by means of the air flow (4), wherein the air flow (4) is guided between the opening roller (2) and the guide element (5) and is directed onto the air-permeable deposit, on which a separation of air and fibers (3) takes place, and the fibers (3) are transported away from the opening roller (2) by means of the air-permeable deposit. The invention is characterized in that at least one nozzle arrangement (11) is arranged between the opening roller (2) and the guide element (5), which is designed to generate at least one air jet (10) which is directed onto the clothing of the opening roller (2), wherein the at least one air jet (10) acts counter to the flow direction of the air stream (4).

The invention relates to a device and a method for profiling a fibrous web (2) or nonwoven on a fiber-guiding conveyor belt (1) or a fiber-guiding working roller (14), having at least one drum (4) which is subjected to suction and / or is covered with needles, teeth, or brushes and is designed to remove fibers from the fibrous web (2) or nonwoven over the entire working width or over portions of the working width, the relative speed and / or the distance and / or angle of the at least one drum (4) relative to the fiber-guiding conveyor belt (1) or to the fiber-guiding working roller (14) being adjustable.

The invention discloses a high-speed direct laying preparation system for non-woven fabric with low aspect ratio, which comprises a cylinder, an airflow baffle and a random roller, the airflow baffle is positioned between the cylinder and the random roller, the airflow baffle comprises two first surfaces and a concave structure positioned between the two first surfaces, one first surface is arranged along the surface of the cylinder, and the other first surface is arranged along the surface of the random roller. The other first surface is arranged along the surface of the random roller, at least one cambered surface is formed on the sunken structure, and the protruding direction of the cambered surface faces the airflow baffle; when a plurality of cambered surfaces are formed on the sunken structure, the plurality of cambered surfaces are arranged in sequence, and the arch foot edges of the adjacent cambered surfaces are connected; the edges of the two outermost arch feet of the concave structure are connected with the edges of the first surfaces respectively, and an included angle is defined by the extension faces of the two first surfaces and located between the cylinder and the random roller. According to the high-speed direct laying web preparation system for the non-woven fabric with the low longitudinal-transverse strength ratio, the longitudinal-transverse strength ratio of a fiber web is improved, and the longitudinal-transverse strength ratio is smaller than 3: 1.

The invention relates to the technical field of non-woven fabric production, in particular to a non-woven fabric gram weight automatic control method, which comprises the following steps: S1, acquiring non-woven fabric gram weight data in real time through an online gram weight detector; s2, calculating the draw ratio of the lapping machine at the corresponding position according to the obtained gram weight data; s3, correcting the draw ratio obtained by calculation according to preset upper and lower limit values of the draw ratio to obtain a target draw ratio; s4, controlling the lapping machine to adjust the drafting of each section according to the target drafting ratio; s5, calculating the verification time of the adjusted non-woven fabric reaching the online gram weight detector; and S6, after the verification time is over, repeating the steps S1 to S5 based on the new real-time gram weight data to realize closed-loop adjustment. The drafting speed of the lapping machine is automatically adjusted according to real-time feedback data of the on-line gram weight detector, the use time of traditional adjustment is shortened, and errors caused by manual operation can be completely eradicated. After feedback data is received, the system responds immediately, the number of defective products is reduced, waste is reduced, and the yield is increased.