63results about "Severing fibres" patented technology

The invention provides an injectable short-fiber-based hydrogel tissue repair material with an electric response characteristic as well as a preparation method and application thereof, and the injectable short-fiber-based hydrogel tissue repair material with the electric response characteristic is prepared by taking a natural polymer material loaded with bioactive factors as a core layer material and a biodegradable material as a shell layer material through a coaxial electrostatic spinning technology. The method comprises the following steps: preparing short fibers with a core-shell structure, uniformly mixing the short fibers with a hydrogel matrix, injecting and filling a tissue defect part, and carrying out ultraviolet curing to form the tissue repair material. The injectable short-fiber-based hydrogel tissue repair material with the electrical response characteristic provided by the invention has piezoelectric characteristic and injectable characteristic, can generate electrical response through mechanical stimulation so as to promote cell proliferation and tissue repair, and also has controllable drug release capacity and good mechanical adaptability; the method is suitable for application scenes of complex tissue damage repair such as diabetes infected wound repair, articular cartilage repair, oral barrier membrane repair, abdominal wall defect repair and the like.

The application discloses a kind of preform cutting method and device, device includes rotary shaft (1), cutting support (2), axial movement track (3), height self-adapting adjusting device (4) and cutting execution mechanism, cutting execution mechanism includes track mark and identification system (5) and preform adaptive cutting device (6), rotary shaft (1) is used to erect preform, the bottom of cutting support (2) is connected with rotary shaft (1), top is provided with axial movement track (3), the top of height self-adapting adjusting device (4) is slidably connected with axial movement track (3), bottom is connected with track mark and identification system (5) and preform adaptive cutting device (6), height self-adapting adjusting device (4) can be adjusted height along vertical direction.The present application realizes that preform is formed after completion, and effective area mark accuracy is greatly improved, to thereby reduce the influence to preform use.

The invention discloses a special fiber hot stretching and shaping cut-off machine system and method. The special fiber hot stretching and shaping cut-off machine system comprises a feeding rack. A special fiber protofilament drum roll is arranged on one side of the feeding rack; a special fiber bundle is wound on the special fiber protofilament drum roll; one end of the special fiber bundle is pulled into the unwinding tension device and is guided by the unwinding tension device to continuously penetrate into the auxiliary heating multi-roller combined device; a knotter, a lifting knotting device, a cold air system, a sliding type clamp mechanism, a swing type clamp mechanism, an electric control cabinet and a finished product collecting box are arranged on the inner side of the feeding rack. The system meets the requirement of a user for full-automatic process production, the repeated labor intensity of workers is reduced, part of the process steps are fully automatic, and manual operation is reduced to the maximum extent.

The invention relates to the field of fiber chopping, and provides a continuous fiber chopping processing method which comprises the following steps: dipping a plurality of continuous filament fibers in a curable liquid medium, and then curing under an ordered placement condition to obtain a cured fiber body; controlling the feeding amount of a cutter according to the length of the required chopped fiber, and milling the cured fiber body to obtain processed chippings; and carrying out heat treatment on the processed chippings, and removing the cured medium to obtain the chopped fiber with the required length. The chopped fibers prepared by the method are controllable in length and high in fiber length consistency and uniformity, accurate control and dispersed preparation of the length of the chopped fibers can be realized, and full coverage of the length from a few microns to dozens of millimeters from a zero point can be realized, for example, ultra-short fibers can be prepared. The method can realize accurate chopping preparation of various materials such as inorganic fibers and organic fibers, and is one of key technologies for preparing composite materials.

The application provides a preparation method and manufacturing device of chopped carbon fibers, and belongs to the technical field of chopped carbon fiber manufacturing. The preparation method of the chopped carbon fibers comprises the following steps: providing a continuous finished carbon fiber bundle, the surface of the carbon fiber bundle being a thermosetting coating; sequentially performing twisting treatment, degumming treatment, sizing treatment, pre-drying treatment, slitting treatment and drying treatment on the carbon fiber bundle to obtain the chopped carbon fibers; and in the sizing treatment step, the sizing agent is a thermoplastic resin. The chopped carbon fibers prepared by the method can resist high temperature and can be firmly combined with a thermoplastic matrix material.

The utility model discloses a preparation device for flame-retardant polyester silk, which relates to the technical field of polyester silk production and comprises a bottom plate, a back plate is welded at one end of the outer wall of the top of the bottom plate, the back plate is matched with the bottom plate, mounting components are arranged at the two ends of the outer wall of the bottom plate and the two ends of the outer wall of the back plate, and adjusting components are arranged at the two ends of the outer wall of the back plate. The adjusting assembly is located between the installation assemblies and matched with the installation assemblies. According to the polyester yarn cutting device, when polyester yarn is cut, the adjusting block slides up and down along the back plate to drive the adjusting roller to ascend or descend, the tensioning degree of the polyester yarn is adjusted, and the polyester yarn is more compact and not prone to loosening when wound; the first electric telescopic rod drives the fixing plate to descend to be combined with the supporting plate so as to fix the polyester yarn, after the polyester yarn is cut, the cut polyester yarn can be intercepted, the polyester yarn fracture does not need to be found again, the polyester yarn reconnection time is saved, and use is more convenient.

A device for cleaning and / or suctioning pile fibers for pile fabric filtration can be brought into a fluid connection with a suction source and includes at least one suction slot. The device for cleaning and / or suctioning has structure for mechanically cleaning, restoring and profiling the pile fibers. The structure increases the cleaning effect and simultaneously realigns the pile fibers and thus restores the pile fibers layer.

The utility model discloses high-strength polyamide yarn processing equipment which comprises an upper group of transmission rollers, a lower group of transmission rollers and a cutting mechanism arranged between the left sides of the transmission rollers, electromagnets are arranged on the left sides of the opposite sides of the two transmission rollers, the cutting mechanism comprises a rack, and a tool rest is connected into the rack in a sliding mode. According to the high-strength nylon yarn processing equipment, the cutting mechanism and the electromagnet are arranged between the two groups of transmission rollers, when nylon yarns need to be cut off, the electromagnet can attract the cutting mechanism to move rightwards in a magnetic attraction mode, on one hand, a yarn pressing iron disc can be matched with the electromagnet to press the nylon yarns, and the situation that the nylon yarns cannot be cut off due to sliding during cutting is avoided; on the other hand, the touch switch can be pressed down to cut off the power supply of the driving roller driving structure to stop the driving roller driving structure, meanwhile, the braking vane can press the driving roller to achieve the braking effect, the nylon yarn is prevented from being snapped by inertial rotation, three-step synchronous operation is achieved, and the cutting quality of the nylon yarn is effectively improved.

The utility model relates to the technical field of cut-off machines, and discloses a cut-off machine for heat-resistant polyamide fiber production, which comprises a workbench, the top end of the workbench is fixedly connected with supporting plates, the top ends of the supporting plates are provided with T-shaped grooves, the inner sides of the T-shaped grooves are connected with T-shaped limiting plates in a sliding manner, the top end of the front side of each T-shaped limiting plate is provided with a second clamping groove, and the top end of the rear side of each T-shaped limiting plate is provided with a second clamping groove. T-shaped buckles are clamped to the inner sides of the front sides of the supporting plates, limiting grooves are formed in the middle of the top end of the workbench, graduated scales are fixedly connected to the front side and the rear side of the top end of the workbench, and a U-shaped plate is fixedly connected to the top end of the left side of the workbench. According to the heat-resistant polyamide fiber cutting machine, the graduated scale is fixedly connected to the top end of the workbench, so that the corresponding T-shaped buckles are pulled out from the inner sides of the second clamping grooves according to the cutting positions of heat-resistant polyamide fibers, accurate cutting of different sizes can be achieved, the flexibility and diversity of the cutting machine are improved, and the requirements of users are met.

The present invention discloses a wire moving, cutting and separating device, comprising a wire moving power device, a wire cutting device and a wire moving reciprocating device, wherein the two ends of the wire cutting device are respectively mounted on upright posts, a wire moving reciprocating device is arranged above the wire cutting device, and the end of the wire moving reciprocating device is connected to the wire moving power device, and the wire moving reciprocating device comprises a profile groove, the bottom of the profile groove supports a plurality of first guide wheel devices, and a second guide wheel device and a third guide wheel device are respectively mounted on both sides of the profile groove, wherein the first guide wheel device and the second guide wheel device are mounted on the wire cutting device, and the third guide wheel device is mounted below the roller cross beam, and a plurality of wire moving porcelain devices are installed at intervals on the profile groove. The present invention separates the wire cutting and moving devices, and redesigns a new installation method of the wire cutting and moving devices, so that the wire cutting and moving devices respectively play the role of wire cutting and wire moving, thereby achieving the purpose of avoiding the breakage of the spring plate and the burning of the transmission power device due to overload.

A system and method for optimizing flexible material handling for decorticated agricultural biomass. The method including: receiving decorticated components of the decorticated agricultural biomass, the decorticated components including bast fibre and hurd; analyzing one or more mechanical characteristics of the bast fibre; determining if the bast fibre is above a predetermined quality threshold based on the analyzed mechanical characteristics; where the bast fibre is above the predetermined threshold, directing the bast fibre for cutting, and cutting the bast fibre into one or more lengths; and where the bast fibre is below the predetermined threshold, directing the bast fibre for blending, and blending the bast fibre and hurd in determined proportions.

The utility model relates to the technical field of garment fabric production, in particular to an easy-to-clean fabric surface cleaning device with a double-sided scraping function. The two sides of the machine body are each provided with a material passing channel for fabric to pass through, the two sides in the machine body are each provided with two material passing shafts which are driven by a material passing motor and used for pushing the fabric to advance, and two sets of cleaning structures are arranged in the middle in the machine body and symmetrically arranged on the upper portion and the lower portion in the machine body; the upper cleaning structure comprises a movable frame which ascends and descends through threads, a gas pipe and an air suction groove are obliquely arranged below the movable frame, a filtering structure connected with the air suction groove is arranged on one side of the machine body, and a plurality of distance sensors are connected to the rear portion of the air suction groove; according to the utility model, through the dual effects of airflow and scraping, attachments on the two sides of the fabric can be removed, and dirt can be fed into the filtering structure to be filtered along with the effect of the airflow so as to exhaust gas.

The utility model relates to a yarn containing auxiliary structure for containing spun yarns, which comprises a yarn containing frame, the yarn containing frame is arranged below silicon oil feeding and bundling equipment for the spun yarns, and the spun yarns pass through silicon oil feeding and are bundled into spinning bundles to fall into the yarn containing frame to be contained; the shearing mechanism I is arranged between the spinning silicone oil feeding and bundling equipment and the yarn containing frame and can shear off spinning bundles; the left-right-front-back action mechanism II is connected with the silk containing frame and can do left-right reciprocating action and also can do front-back reciprocating action at the same time; and when continuous spinning bundles fall into the yarn containing frame, the left-right-front-back action mechanism II performs stepping action from front to back / from back to front, and performs left-right reciprocating action once after each step of action, so that the spinning bundles are folded and stacked in the yarn containing frame according to a certain rule. The device has the beneficial effects that the spinning bundles are prevented from being wound in the yarn containing frame, so that the work of manually straightening out the wound spinning bundles is reduced; automatic production can be achieved, and mass production is facilitated.

The utility model relates to the technical field of chinlon monofilament processing, and discloses a spinning device for chinlon monofilament processing, which comprises a heat setting device and a winding device which are arranged on a workbench, the winding device is composed of a motor and a winding roller, the winding device and the workbench are provided with driven parts for assisting the winding roller in splitting, and the driven parts are connected with the heat setting device and the winding device. According to the spinning device for nylon yarn processing, through the arrangement of the driven part and the winding device, after winding of the winding roller is completed, the spinning device can abut against the pressing roller and push the swing rod to swing, and therefore the clamping block can be controlled to relieve limiting of the winding roller, and under the effect of the supporting spring, the winding roller can be driven to rotate, and the spinning device can be used for spinning nylon yarn processing. The tray drives the winding roller to move upwards, so that the winding roller is separated from the connecting shaft, the winding roller stops rotating and winding, a worker only needs to turn off the motor and take away the winding roller, the worker can replace the winding roller conveniently, operation is convenient, and efficiency is high.

According to one aspect of the present invention, there is provided CF-SMC production technology such that it is possible to inhibit contamination of a product with lint originating from fiber dust, even while using a disperser roll.　An SMC production method according to one aspect of the present invention includes: (i) drawing out a carrier film from a roll and causing the same to travel on a conveyance path such that the surface thereof is horizontal; (ii) cutting continuous carbon fiber bundles with a chopper disposed above the conveyance path and converting the continuous carbon fiber bundles to short carbon fiber bundles; (iii) causing the short carbon fiber bundles to fall onto the carrier film traveling on the conveyance path while dispersing the short carbon fiber bundles using a disperser roll disposed below the chopper, and causing the deposition of a carbon fiber mat on the carrier film; (iv) impregnating the carbon fiber mat with a thermosetting resin composition and converting the carbon fiber mat to a resin-impregnated carbon fiber mat; and (v) simultaneously with causing the deposition of the carbon fiber mat, using a dust collector to remove fiber dust generated from the short carbon fiber bundles via contact with the disperser roll.

The utility model provides an impurity removing device for white cotton sliver processing, and belongs to the technical field of white cotton sliver processing. The impurity removing device for white cotton sliver processing comprises an adjusting assembly and an impurity removing assembly, a first barrel and a second barrel are of a detachable double-barrel design, impurities easily left in the first barrel and the second barrel or white cotton slivers can be conveniently cleaned, the situation that next use is affected is prevented, the white cotton slivers are crushed through a cutting piece, and the use efficiency of the white cotton slivers is improved. The white cotton slivers can be separated from impurities conveniently, the light white cotton slivers can be sucked into the shell through the draught fan and blocked through the filtering plate, the sealing plate is opened, the white cotton slivers attached to the interior of the shell and the filtering plate are pushed out of the interior of the shell through the pushing piece, the white cotton slivers can be separated from the impurities, and automatic separation of the white cotton slivers and the impurities is achieved. Furthermore, the first can body and the second can body adopt a detachable double-can-body design, so that the first can body and the second can body are convenient to clean, light white cotton slivers are convenient to discharge, accumulation is prevented, and the practicability is improved.

The invention provides a fiber processing device and method, the fiber processing device comprises a silk withdrawing unit, a tension adjusting unit, a coating unit, a drying unit and a shearing unit, the silk withdrawing unit comprises a silk withdrawing frame and a silk withdrawing shaft; the tension adjusting unit comprises a tension adjusting frame and a plurality of tension adjusting rollers; the coating unit comprises a coating frame, a coating pipeline, a first coating ring and a second coating ring, the coating pipeline, the first coating ring and the second coating ring are all arranged on the coating frame, the coating pipeline conveys glue liquid, a first liquid outlet hole is formed in the first coating ring, a second liquid outlet hole is formed in the second coating ring, and the first liquid outlet hole is communicated with the second liquid outlet hole. The area of the second liquid outlet hole is larger than that of the first liquid outlet hole, and the fiber yarn sequentially passes through the first coating ring and the second coating ring so as to coat the glue solution on the surface of the fiber yarn; the drying unit performs gradient drying on the cellosilk; and the shearing unit is used for cutting the cellosilk. According to the fiber processing device disclosed by the invention, uniform gluing can be realized, a glue layer is strongly combined with fibers, and the quality of fibers is ensured.

The invention discloses an automatic device for finely cutting a hollow fiber membrane bundle and a processing method thereof. The device comprises a rack, a film core stock bin arranged in the rack, a film core lifting belt line arranged on one side of the film core stock bin, a film core transplanting module arranged on one side of the film core lifting belt line, a film core conveying belt line arranged on one side of the film core transplanting module, and film core two-end visual inspection mechanisms arranged on the two sides of the film core conveying belt line. The precise cutting mechanism is arranged on one side of the film core conveying belt line, the double-rotor transplanting module is arranged above the film core conveying belt line, the precise cutting mechanism, the finished product discharging position and the NG recycling position, the finished product discharging position is arranged on one side of the precise cutting mechanism, the NG recycling position is arranged on one side of the finished product discharging position, and the film core stock bin is fixedly installed on the film core lifting belt line. The production efficiency is improved, the labor intensity is reduced, new equipment can reach the rhythm of less than 2.5 seconds per piece, and the equipment can be operated by one person; the equipment performs full-automatic shredding, so that personnel operation is reduced, and the safety coefficient is improved.

The utility model discloses a lifting heating track door and energy -conserving heat box of false twist texturing machine, in the light of traditional heat box energy consumption is high, the problem of big heat loss, lifting heating track door adopts arc heat preservation covering structure, curvature radius R20010 1mm, and the clearance control is at 5 15mm between hot rail, cooperates " connecting rod + elastic piece + double fulcrum " structure, ensures that the micro -gap is under the stable opening and closing, and the door body is equipped with multilayer composite heat preservation structure and mirror surface reflection film, and the heat preservation and heat radiation utilization are strengthened. Energy -conserving heat box adopts the modular vertical design, utilizes the heat medium natural convection, and is equipped with the asbestos heat preservation layer between the box and the shell. The experiment shows that the energy consumption is reduced by 69% than the traditional heat box when the clearance is 5mm, and the operation is convenient, the temperature uniformity is promoted, is applicable to the chemical fiber false twist texturing process, and the energy consumption and production cost are reduced significantly.

The present invention discloses a special fiber heat stretching and shaping cutting machine system and method, comprising a feeding frame; a special fiber raw yarn drum roll is arranged on one side of the feeding frame; a special fiber bundle is wound on the special fiber raw yarn drum roll; one end of the special fiber bundle is pulled into a debonding tension device, and continues to penetrate into an auxiliary heating multi-roller combination device under the guidance of the debonding tension device; a knotter, a lifting knotting device, a cold air system, a sliding clamp mechanism, a swing clamp mechanism, an electric control cabinet and a finished product collection box are arranged on the inner side of the feeding frame. This system meets the user's demand for fully automated process production, reduces the intensity of workers' repeated labor, and some process steps are fully automated to minimize manual work.

The application provides a carbon fiber sample preparation tool and a carbon fiber sample preparation method, which comprise a first mold and a second mold, the first mold has a first groove, a carbon fiber bundle can enter the first groove and is pasted with a conductive tape in the first groove to form a carbon fiber pre-sample, the second mold has a second groove, the sidewall of the second groove has an opening, the second mold has a cutting surface outside the second groove, the cutting surface is a plane and is arranged around the circumference of the opening, the carbon fiber pre-sample can enter the second groove and can extend out of the opening, so that a cutting structure can cut the carbon fiber pre-sample along the cutting surface to obtain a carbon fiber sample, and a section of the carbon fiber sample forms a carbon fiber cross-section morphology microscopic observation surface. According to the carbon fiber sample preparation tool and the carbon fiber sample preparation method, the carbon fiber cross-section can be quickly obtained without damaging the carbon fiber cross-section.

The invention relates to the field of chinlon spinning production, and discloses extrusion spinning equipment for chinlon spinning production, which comprises a supporting table, a spinning machine and a cooling assembly, the spinning machine is arranged on the left side of the upper surface of the supporting table, a feeding hopper is arranged on the spinning machine, and a plurality of spinning pipes are arranged above the right side surface of the spinning machine; a cooling assembly is installed on the portion, close to the middle, of the upper face of the supporting table, a plurality of air outlets are formed in the cooling assembly, a partition plate is arranged on one side face of the cooling assembly, and a plurality of guide holes are formed in the positions, corresponding to spinneret pipes, of the partition plate; a second fixing plate is fastened to the right side of the rear side face of the supporting table through a bolt, a first driving structure is pushed through a pushing structure to drive a shredding structure to conduct automatic shredding on a winding shaft, one end of a nylon yarn is automatically clamped and fixed to the winding shaft after shredding, in this way, shredding and clamping work can be automatically achieved, operation is more labor-saving and convenient, and the production efficiency is improved. And the working efficiency is improved.

The invention discloses a preparation method of fixed-length continuous fibers. Aiming at the pre-twisted fibers, firstly plying N fiber yarns to enable the N fiber yarns to be combined into a group of mutually attached fiber yarns, then enabling the group of fiber yarns to pass through a twisting device, twisting the N yarns to form mutually interwoven and wound single-strand fiber yarns, cutting off N-1 fiber yarns at fixed length, and finally forming a shaft again by utilizing a yarn collecting roller; for non-pre-twisted fibers, the non-pre-twisted fibers are broadened firstly, the two sides of the non-pre-twisted fibers are subjected to fixed-length half cutting, only the fiber continuity of the middle area is reserved, and then the non-pre-twisted fibers are collected to form a shaft so as to be used in the next procedure. According to the invention, the twisted fiber yarn is cut at fixed length, so that the traditional preparation mode that the unit layers of the preform need to be connected by a mesh tire is changed, the preparation procedures of the preform are reduced, the preparation time and the preparation cost of the preform are reduced, and the industrial competitiveness of a preform production enterprise is greatly improved.

The utility model discloses a cut-off device for cation modified polyester filament yarn production, which relates to the technical field of polyester filament yarn production, and comprises a bottom plate, a winding mechanism is fixedly arranged at the top of the bottom plate, two symmetrically arranged vertical plates are fixedly arranged at the top of the bottom plate, a cross rod is rotatably arranged between the two vertical plates, and a guide wheel is fixedly sleeved on the rod wall of the cross rod. A buffering frame is fixedly arranged on the outer wall of the winding mechanism through a connecting plate, a buffering assembly is arranged in the buffering frame, a transverse plate is fixedly arranged at the top of the vertical plate, a supporting frame is fixedly arranged at the top of the transverse plate, a rotating rod is fixedly and rotatably arranged on the supporting frame, and a cut-off knife rotatably sleeves the rod wall of the rotating rod. According to the bottom plate, the winding mechanism, the vertical plate, the cross rod, the guide wheel, the cut-off knife, the push cut-off assembly and the buffer assembly, elastic extrusion can be conducted on polyester filaments before winding, the filaments are kept in a stable tightening state after being cut off, the situation that the filaments are loosened due to rapid rebound after being cut off is avoided as much as possible, and the follow-up winding effect of the filaments is guaranteed.

The invention discloses a stretching device for carbon fiber tow processing in bicycle rim production, and relates to the technical field of stretching for carbon fiber tow processing, the stretching device comprises a workbench, a supporting frame is fixedly installed on the surface of the workbench, a fixing disc is rotatably installed on the inner wall of the supporting frame, and a tensioning device is fixedly installed on the inner wall of the workbench; the tensioning device comprises a sliding frame and a tensioning wheel, the sliding frame is fixedly installed on the inner wall of the workbench, the tensioning wheel is rotatably installed on the inner wall of the sliding frame, a fixing plate is fixedly installed on the surface of the workbench, a winding disc is rotatably installed on the inner wall of the fixing plate, and a clamping device is further arranged on the surface of the workbench. The sliding column slides to relieve limiting of the sliding ring, clamping is automatically completed, deviation caused by manual adjustment is avoided, it is ensured that winding tension is evenly distributed, meanwhile, the time for replacing the winding barrel is shortened, and the working efficiency is improved.

The invention relates to the technical field of cocoon silk splitting, and particularly discloses a cocoon silk splitting machine with a broken silk detection function, which comprises an equipment bracket, the side surface of the equipment bracket is fixedly connected with a power box, the top of the equipment bracket is fixedly connected with a top bracket, and the side surface of the top bracket is rotatably connected with a large rotating wheel through a bracket; an auxiliary support is fixedly connected to the position, located below the large rotating wheel, of the side face of the equipment support, the winding cylinder is arranged below the large rotating wheel and comprises a roller support, an adjusting device is rotationally connected to the side face of the roller support, and a protection plate is fixedly connected to the side face of the adjusting device; the side face of the protection plate is fixedly connected with a winding reel, the side face of the inner wall of the winding reel is fixedly connected with a detection device, the side face of the detection device penetrates through and is fixedly connected with a sliding rod, and the cocoon silk splitting machine with the broken silk detection function achieves the purpose of conducting continuous detection on silk threads.

The invention provides a fiber production stretching and winding device and an implementation method, the fiber production stretching and winding device comprises a stretching box body, material ports are formed in the left side face and the right side face of the stretching box body, limiting pieces used for limiting fibers are arranged in the material ports, a stretching tensioning piece is arranged in the stretching box body, and heating pieces are embedded in the upper surface and the lower surface of the stretching box body; a cutting and winding part for winding fibers is arranged on the right side of the stretching box body; according to the device, stretching and shaping during fiber production can be achieved, fiber winding can be achieved, and the winding drum is convenient to replace.

This invention relates to the field of spandex waste filament recycling technology, specifically disclosing an integrated production device for high-efficiency recycling of spandex waste filaments. The device includes: a base, with rectangularly distributed connecting columns fixedly connected to the top of the base; four connecting columns having a single conveyor belt fixedly connected to their top ends; the conveyor belt being arranged in a mesh pattern for conveying the recycled spandex waste filaments; and a cutting assembly positioned on top of the conveyor belt for traction and crushing the recycled spandex waste filaments. This invention allows for the traction of the spandex waste filaments during cutting. After traction, the spandex waste filaments automatically move to below the cutting blades. Under the action of the reciprocating cutting blades and a fixed plate, the spandex waste filaments are uniformly cut, resulting in filaments of uniform size, facilitating subsequent recycling. The cut spandex waste filaments are then directly conveyed to a spray rinsing assembly, ensuring strong process continuity.

An industrialized production apparatus and method for chopped regenerated carbon fibers. The apparatus comprises a sequentially arranged sizing system, a sizing system, a sizing control system, a pre-drying system, a chopping system, and a secondary drying system. The present invention not only enables orderly and uniform sizing of the regenerated carbon fibers and standard modular continuous chopping, but also ensures good particle size and uniform bulk density during post-processing, facilitating continuous feeding and precise metering. Furthermore, at processing temperatures, the regenerated chopped carbon fibers exhibit good fiber opening, resin dispersibility, and high-temperature stability of the composite interface.

The utility model discloses a fiber production cut-off machine convenient to adjust, which comprises an input working table, an output working table and a cut-off mechanism, the input working table is arranged at the feeding end of the output working table, the cut-off mechanism is arranged at the top of the output working table, and the cut-off mechanism comprises a portal frame. The portal frame is fixedly connected to the top of the output workbench, a first motor is installed at the top of the portal frame, a ball screw is rotationally connected to the bottom of the portal frame, the top end of the ball screw is in transmission connection with the first motor, a carrier plate is arranged below the portal frame, and the ball screw penetrates through the carrier plate and is in transmission connection with the carrier plate. And one side of the carrier plate is fixedly connected with an electric push rod. The first motor drives the ball screw to rotate, the bearing plate is driven by the aid of the ball screw, the bearing plate is forced to ascend and descend along the ball screw under the constraint of the limiting sliding rod, and therefore the cutting knife is driven to adjust the height, and fibers can be cut off by different lengths in the follow-up process conveniently.