269 results about "Filament winding" patented technology

The utility model discloses a mold for manufacturing a composite material grating cone by a fiber winding process, belongs to the field of composite material molds, and solves the manufacturing problem of the existing grating cone. The mould comprises a conical mould main body, an upper steering nail ring, a lower steering nail ring, an upper flange, a lower flange, a rotating shaft and a silica gel soft film, wherein the rotating shaft sequentially penetrates through the upper flange, the conical mould main body and the lower flange; the conical mold body, the steering nail ring, the upper flange and the lower flange are coaxially matched, the upper steering nail ring is connected to the conical mold body through the upper flange, the lower steering nail ring is directly connected with the conical mold body, the lower flange is directly connected with the conical mold body, and the silica gel mold is formed by splicing one or more plane soft molds. The plurality of blades are circumferentially distributed on the outer surface of the conical mold main body; orthogonal grating grooves are formed in the surface of the silica gel mold, and the grating grooves are composed of grating strips in the axial direction and the circumferential direction. The mold is mainly used for manufacturing conical structures by fibers or prepreg tapes.

The utility model belongs to the technical field of pipeline materials, and particularly relates to a composite pipeline material. The utility model provides a composite pipeline material. The composite pipeline material comprises an inner surface layer, an inner fiber cloth reinforcing layer, an inner fiber winding layer, a fiber reinforcing structure layer, an outer fiber cloth reinforcing layer, an outer fiber winding layer and an outer protection layer which are sequentially stacked from inside to outside. The inner surface layer is made of epoxy resin; fibers in the inner fiber cloth reinforcing layer, the inner fiber winding layer, the fiber reinforcing structure layer, the outer fiber cloth reinforcing layer and the outer fiber winding layer are basalt fibers; and the outer protection layer is made of epoxy resin. According to the utility model, the epoxy resin and the basalt fiber have good electrical insulation performance and shielding performance, so that the pipeline material has a good stray current resisting effect.

The invention relates to a nanofiltration membrane element and a production process thereof, and relates to the technical field of membrane separation, the nanofiltration membrane element comprises a central pipe, a membrane unit piece and a fiber winding layer, the central pipe is provided with a plurality of water inlet holes, the membrane unit piece is wound on the outer side of the central pipe, the fiber winding layer is wound on the outer side of the membrane unit piece, and the membrane unit piece comprises a membrane, water inlet mesh cloth and runner cloth; the runner cloth is divided into two cloth layers in the thickness direction of the runner cloth, and each cloth layer is provided with a filtering area, a glue line area and a side line area. A plurality of supporting lines are clamped between the two cloth layers, the supporting lines are located in the filtering area, all the supporting lines are arranged in the axial direction of the center pipe, the supporting lines extend in the radial direction of the center pipe when the cloth layers are in the spreading state, and one ends of the supporting lines are bonded to the positions, away from the connecting edges, of the glue line area; and a gap between the two cloth layers is communicated with the water inlet hole. The compressive strength of the runner cloth can be improved, so that the water passing amount is increased.

The invention discloses an automatic laying and forming process for a reinforcing ring of a carbon fiber fully-wound gas cylinder end socket, and relates to the technical field of carbon fiber wound gas cylinders. Technological parameters are simulated and optimized; the laying line type is imported into software to plan the motion track of the robot; carbon fiber prepreg is adopted, single-layer prepreg laying is conducted between every two spiral layers of the gas cylinder according to the optimal process parameters, and the laminating state of the prepreg is monitored in real time. Full-automatic precise laying can be achieved, and the production efficiency and consistency are improved; the material utilization rate is improved; the manufacturing cost is reduced; the laying wrinkle defect is eliminated, and the gas cylinder bearing safety is improved; process parameters are quantified and optimized, and the performance of the carbon fibers is fully released.

The invention relates to the field of automatic processing of fiber-wound bearings, and discloses automatic processing equipment for fiber-wound bearings, which comprises a processing table, a fixing frame is fixedly mounted on one side of the top end of the processing table, and an unwinding roller is movably mounted on one side of the middle part of the fixing frame; two linear guide rails are fixedly mounted on the other side of the top end of the machining table, and the tops of the linear guide rails are movably mounted on the two sides of the bottom end of the transverse frame correspondingly. A first linear motion module is fixedly installed at the position, close to the lower portion of the transverse frame, of the top end of the machining table, the driving end of the first linear motion module is fixedly installed in the middle of the bottom end of the transverse frame, and a second tension control mechanism is arranged on the side, close to the fixing frame, of the top end of the transverse frame. Through innovative tension control, dynamic pressing and automatic linkage design, the quality stability, efficiency and adaptability of fiber winding processing are comprehensively improved, and reliable technical support is provided for batch production of high-performance fiber winding bearings.

The invention relates to the technical field of winding control, in particular to a control method and a control system for a dry winding carbon fiber roller making process, and the method comprises the steps: obtaining the characteristics of a prepreg liquid, the characteristics of a carbon fiber material and the thickness of a prepreg tape, and determining initial control parameters based on the characteristics of the prepreg liquid, the characteristics of the carbon fiber material and the thickness of the prepreg tape; the initial control parameters comprise initial heating temperature and initial tension; performing carbon fiber winding on the roller core mold based on the initial control parameters, and acquiring a winding surface image of the roller core mold in real time; when the winding surface image contains the preset defect feature, identifying a defect parameter corresponding to the preset defect feature from the winding surface image; and adjusting the initial control parameters based on the defect parameters to obtain optimized control parameters, and executing a carbon fiber winding process based on the optimized control parameters. The product quality of the carbon fiber composite material product can be conveniently improved.

This application belongs to the technical field of winding devices and discloses a polyester filament winding device, including a base. Two symmetrical support plates are fixedly mounted on the upper surface of the base. A first motor is fixedly mounted on the side wall of one of the support plates. A rotating shaft is installed at the end of the output shaft of the first motor, and a winding roller is sleeved on the outer wall of the rotating shaft. A round rod is fixedly mounted on the adjacent side walls of the two support plates. A slider is sleeved on the outer wall of the round rod, and a perforated part is mounted on the slider. A control device for controlling the back-and-forth sliding of the slider is provided on the support plate. The control device includes a control component and a drive component. This application has the effect of reducing the limitations of the device.

This utility model discloses a resin-impregnated fiber capacitive transformer bushing, belonging to the technical field of transformer accessories. It includes a core; a resin-impregnated fiber winding layer wound around the core; a creeper skirt fitted onto the resin-impregnated fiber winding layer; a first flange assembly abutting one end of the creeper skirt; the first flange assembly includes a first flange, a rotating disk, and a second flange; the first flange has a first hole, and the rotating disk has a second hole. The rotating disk can rotate between a first angle and a second angle. At the first angle, the first hole and the second hole are connected; at the second angle, the first hole and the second hole are offset; the second flange assembly abutting the other end of the creeper skirt. When the rotating disk of this utility model rotates to the first angle, the first hole and the second hole are connected, allowing for convenient and intuitive detection of the performance and condition of the resin-impregnated fiber winding layer. This enables accurate assessment of potential damage or fatigue in the transformer bushing, preventing accidents and ensuring production safety.

The invention relates to the technical field of solid rocket engine combustion chamber composite material shells, and provides a large-aperture-ratio fiber winding composite material shell structure which comprises a front sealing head, a barrel section, a front skirt and a rear skirt assembly. The front sealing head is connected with one end of the cylinder section, the front skirt sleeve is arranged on the front sealing head and extends to the outside of one end of the cylinder section, and the other end of the cylinder section is connected with the rear skirt assembly. A traditional end socket is omitted, stable winding forming of the large-aperture-ratio composite material winding shell is achieved, and the requirement that the composite material shell bears the high internal pressure load effect is met. According to the structure, a traditional composite shell forming wire hanging tool and a combustion chamber shell skirt structure are combined, the structure and the function are integrated, the problem of fiber wire sliding during winding of a large-aperture-ratio structure is solved, the manufacturability of winding forming of the large-aperture-ratio composite shell is greatly improved, and the internal pressure bearing capacity of the large-opening composite shell is improved.

The invention provides a high-speed motor carbon fiber rotor structure and a winding process, and belongs to the field of high-speed motor carbon fiber rotor structures. The problems that an air-gap magnetic field formed by an existing surface-mounted permanent magnet is in flat-topped wave distribution and contains more higher harmonics, so that eddy-current loss in a motor is increased; and the local stress on the edge of the block-shaped permanent magnet is higher than that on other positions, so that the permanent magnet is easy to damage. The high-speed rotor comprises an annular permanent magnet and a high-speed rotor shaft, the annular permanent magnet is circumferentially arranged on the periphery of the high-speed rotor shaft, and a plurality of carbon fiber filament winding layers are wound on the periphery of the annular permanent magnet. The carbon fiber filament winding structure has good heat dissipation performance, and the problems that heat dissipation of the permanent magnet is affected by a non-metal sheath and the permanent magnet is overheated and demagnetized due to eddy current loss of a metal sheath are solved. The tension of the carbon fibers wound on the outer surface of the annular permanent magnet is gradually reduced, so that the tension of the carbon fibers is opposite to the change ratio trend of the winding thickness, and the tension in the whole winding layer is uniform.

The invention relates to a continuous fiber reinforced thermoplastic pressure pipeline and a preparation method thereof, the continuous fiber reinforced thermoplastic pressure pipeline is provided with a core pipe inner layer, a core pipe outer layer, a continuous fiber winding middle layer and a maleic anhydride grafting modification interface layer, the continuous fiber winding middle layer is wound on the surface of the core pipe inner layer, and the maleic anhydride grafting modification interface layer is wound on the surface of the core pipe outer layer. The maleic anhydride grafting modification interface is a transition layer between the continuous fiber winding middle layer and the outer layer of the core pipe, and the continuous fiber winding middle layer comprises continuous fibers and a resin film. The invention has the following beneficial effects: 1, a special prepreg process is adopted, a maleic anhydride grafting interface layer is added, and gradient heating is carried out, so that the problem of fusion and combination of thermoplastic materials is solved, the interlaminar shear strength is 35.1-42.0 MPa, and the internal pressure resistance of the pipeline reaches 15.2-20.1 MPa, which is far higher than that of a traditional winding pipeline by 50-100%; 2, the strength and the cost are balanced through the hybrid design of the continuous fiber winding middle layer, and the cost is reduced by 30%-40% compared with that of a full carbon fiber reinforced pipeline;

The utility model discloses a high -efficient fiber crushing cutting device in the technical field of fiber processing equipment, including the box, the box includes horizontal top plate, and the downside of top plate is vertically provided with four side plate bodies that enclose rectangle, and is equipped with screen mesh bottom plate with each side plate body bottom corresponding, and the screen mesh bottom plate is full of the opening of several sieve holes, and the top plate is vertically equipped with the feeding cylinder, and the feeding cylinder includes four cylinder side plates that enclose rectangle, and the upper portion of each cylinder side plate is obliquely equipped with the feeding side plate, and each feeding side plate encloses the feeding port, the inside rotatable of box is equipped with two parallel and equal height's rotation axis, and the rotation axis is sequentially arranged with several cutting assemblies along the length direction, and the bottom of box is equipped with several support frame. The utility model can solve the problem of fiber winding when cutting, improve cutting efficiency, prolong the life of cutting blade, the high accuracy cutting of fiber, and the blade life is promoted to 180 days above.

This utility model belongs to the field of winding equipment, specifically relating to a winding mechanism for a large-coil plastic filament winding machine. It includes a winding frame, a winding roller at the top of the winding frame, and limit plates on both the front and rear sides of the top of the winding roller. The left side of the limit plate is hinged to the left side of the winding frame, and a locking mechanism is movably connected to both the front and rear sides of the winding frame. This utility model, by adding rotating locking plates, locking blocks, and electric cylinders to the limit plates and winding frame, enables automatic locking control of the limit plates, avoiding the need for manual bolt fixing and improving the assembly and disassembly efficiency of the limit plates and winding frame. By adding limit plates and other structures to the winding frame, users can easily control the fixing components of the winding roller, preventing the top limiting components of the winding roller from becoming overly complex and requiring the installation and disassembly of numerous parts each time, thus increasing the ease of removing the winding roller.

The present application relates to the technical field of composite pipe, in particular to a continuous fiber winding reinforced polyethylene composite pipe and a preparation method thereof, wherein the continuous fiber winding reinforced polyethylene composite pipe is composed of an inner polyethylene pipe, a fiber reinforced layer wound on the inner polyethylene pipe, an outer polyethylene protective layer wound outside the fiber reinforced layer, and an outer reinforced pipe wound on the surface of the outer polyethylene protective layer. The continuous fiber winding reinforced polyethylene composite pipe prepared by the present application has excellent flexibility, simple production process, high production efficiency, and can realize all production processes of multi-layer composite through one station.

The utility model relates to the technical field of winding devices, and discloses a winding device for silicon dioxide aerogel fibers, which solves the problems that a winding wheel of an existing silicon dioxide aerogel fiber winding device cannot be quickly replaced after winding is saturated, so that the production continuity is influenced, and the working efficiency is reduced. A supporting frame is fixedly installed at the top of the base, a driving motor is fixedly installed on one side of the supporting frame through a connecting frame, a lower chain wheel is fixedly installed at the output end of the driving motor, a positioning frame is fixedly installed on the other side of the base, and one side of the lower chain wheel is rotationally connected with the positioning frame; a chain is meshed between the upper chain wheel and the lower chain wheel; a rotating shaft is fixedly mounted on one side of the upper chain wheel; the winding wheel of the silicon dioxide aerogel fiber winding device can be quickly replaced after winding saturation, so that the production continuity is guaranteed, and the working efficiency is improved.

This invention provides a fiber winding and impregnation apparatus, comprising a cabinet, an impregnation assembly, a feeding roller, and a scraping assembly. The cabinet contains an operating table with an impregnation tank filled with resin, and a weighing sensor at the bottom for weighing the resin. The impregnation assembly includes an impregnation roller group extending into the impregnation tank and a power mechanism for driving the roller group to move vertically. The feeding roller is located within the cabinet on the feeding side of the impregnation assembly and is equipped with an encoder. The scraping assembly includes a rotating shaft and a scraper plate located above the rotating shaft. The scraper plate has a degree of freedom to move vertically and has an adjusting block at its top. This fiber winding and impregnation apparatus allows for adjustment of the impregnation depth and scraping force for fiber bundles of different specifications during impregnation, ensuring the performance and quality of composite material products.

This invention provides an X-ray tube filament winding mold and a filament manufacturing method. The winding mold includes a first main mold, a second main mold, and a clamping plate. Both the first and second main molds are cylindrical. The front end of the first main mold and the rear end of the second main mold each have two positioning holes. Angular grooves are formed on both sides of the first main mold, symmetrically opposite in direction, with pin holes at the rear of the grooves. Two positioning pins are provided in the two positioning holes at the front end of the first main mold. The front end of the first main mold and the rear end of the second main mold can be connected by the positioning pins. The first and second main molds are fixed together by the clamping plate. Using the filament winding mold, a coil-shaped X-ray tube filament, distinct from a long, spiral filament, can be regularly wound. The filament winding mold has a simple structure, low manufacturing cost, is easy to use, has a high reusability rate, long lifespan, and wide applicability. The wound filament has a small and regular emission surface, resulting in a relatively concentrated spatial distribution of emitted electrons, making it easy to focus and improving the spatial resolution of image reconstruction.

The purpose of the present invention is to suppress the elongation of a fiber bundle drooping from a sleeve after the fiber bundle is cut. The filament winding device (1) is provided with an annular winding unit (40) for winding a fiber bundle (F) on the outer peripheral surface of a cylindrical sleeve (L) in the annular direction. The circumferential winding unit (40) is provided with: a fiber bundle guide (71) for supplying a fiber bundle (F) to a sleeve (L); a capturing unit (81) having a capturing part (83) for capturing the fiber bundle (F) between the fiber bundle guide (71) and the sleeve (L); a first moving mechanism (82) that moves the capturing unit (81); a cutting unit (91) having a cutting part (93) for cutting the fiber bundle (F) between the fiber bundle guide (71) and the sleeve (L); and a second moving mechanism (92) that moves the cutting unit (91).

An improved system for well boring and related hydraulic fracturing processes, which typically includes a sleeve that may be formed with some composite material to provide a stable and consistent low-friction surface, which surface may potentially improve the seating and uniform breaking of slip segments in a fracking plug application. The system may be formed, in part, by a filament winding process.

The utility model relates to the technical field of covering yarn, and disclose a low cotton nature composite fiber covering yarn, including yarn core, the outside of yarn core is provided with covering yarn, the outside of covering yarn is provided with outer cladding layer. The yarn core is by a plurality of single low elastic polyester fiber filament winding, low elastic polyester fiber has certain elastic recovery, can provide moderate elasticity for yarn, and its strength is higher, is favorable to maintaining the overall structure stability of yarn. The linear density of low elastic polyester fiber filament is 100D~150D low elastic polyester fiber filament, and its initial modulus is between 100~150cN / dtex, and the breaking elongation is 20%~30%, and the low elastic polyester fiber of this specification can ensure that the yarn has certain elasticity, and will not make the elasticity too high to influence its low elastic characteristic. The covering yarn provided by the utility model has low elasticity, excellent cotton nature hand feeling, good strength and wear resistance and the like, reduces production cost simultaneously, improves production efficiency.

The utility model discloses a flame -retardant polypropylene filament production technical field's a kind of flame -retardant polypropylene filament winding device, including bottom fixed disc, the bottom of bottom fixed disc is provided with working tank, the center position of bottom fixed disc top is provided with rotating shaft, the top of bottom fixed disc is also provided with winding drum, the center position of winding drum is penetrated and is provided with socket joint hole, socket joint hole is inserted with rotating shaft, the top of bottom fixed disc is fixedly connected with support column on winding drum side, the side wall of support column one end is movably provided with step linear motor. Rotating motor drives rotating shaft, drives winding drum fast rotation, realizes the efficient winding of polypropylene filament, and production efficiency is greatly improved. Rotating shaft is stably connected with bottom fixed disc by taking bearing, ensure the stability in winding process, reduce the risk of silk line fracture.

The application provides a processing clamping device for carbon fiber winding pipe, which fixes the carbon fiber winding pipe through a chuck, and realizes winding processing of the carbon fiber winding outer pipe through a rotating end plate and a winding shaft. The processing method of the carbon fiber winding pipe mainly comprises the following steps: introducing carbon fiber tows into a tension adjusting device to adjust the tension; introducing the carbon fiber tows into the tension adjusting device to adjust the tension; fixing a core mold on a winding machine to perform winding, to obtain a carbon fiber winding inner pipe; and then performing heating and curing, and finally completing the processing of the carbon fiber winding outer pipe according to the above process. The method of the application introduces winding angle setting and tension adjustment of the carbon fiber tows, and ensures the close degree of the carbon fiber tows and the surface of the core mold. The device of the application solves the problems of loosening and deformation in the reprocessing of the carbon fiber winding outer pipe, and ensures the close degree of the carbon fiber winding outer pipe.

The invention discloses a food plastic bottle smashing and recycling device for resource utilization, and relates to the technical field of waste recycling, the food plastic bottle smashing and recycling device comprises an arc-shaped smashing box, feeding ports are fixedly connected to the two ends of the smashing box, a primary treatment mechanism is arranged at the concave position of the smashing box, and a discharging port is formed in the bottom of the smashing box; and the bottom of the discharging opening is movably connected with a crushing and screening mechanism. The S-shaped transmission hook drives the transmission shaft through the driving strip to enable the crushing block to do arc-shaped reciprocating motion, the sawteeth at the bottom of the crushing block and the plurality of crushing rollers with the sawteeth are alternately meshed to generate a strong shearing effect, and the material guiding design of the arc-shaped barrier strip is matched, so that the crushing efficiency is ensured, and the material is prevented from rebounding; the separation strips and the crushing rollers are arranged at intervals, so that fiber winding is effectively prevented, the failure rate is reduced, the running safety and reliability are further guaranteed through stable supporting points provided by the supporting plates and the closed crushing box, and therefore the defect that the equipment is prone to material blocking is perfectly overcome while the crushing strength is improved.

The invention discloses a waterproof baseball and softball and a preparation method thereof, and the preparation method comprises the following steps: S1, winding a fiber material on a ball core to form a fiber winding layer; s2, wrapping the fiber winding layer with a waterproof material film to form a built-in waterproof wrapping layer; s3, TR wire winding is carried out outside the ball body on which the waterproof wrapping layer is formed; and S4, wrapping and sewing the ball skin subjected to waterproof treatment outside the ball body wound with the TR line, wherein a surface waterproof layer is arranged on the outer surface of the ball skin. The baseball and softball prepared by the invention can effectively block moisture permeation, and ensures that the weight, circumference, elastic coefficient and pressure resistance of the baseball are kept stable in a humid environment.

A filament winding apparatus includes a jig mandrel, paired feeders, and helical winders and is operable to perform a jig feeding step, a yarn placement step, a connecting step, and a helical-winding step are performed. In the jig feeding step, the jig mandrel is fed to a helical winder. In the yarn placement step, a leading end portion of each of fiber bundles is fixed to an outer circumferential surface of the jig mandrel. In the connecting step, product mandrels are serially connected to the jig mandrel so as to be non-rotatable relative to each other. In the helical-winding step, helical-winding is serially performed for the connected mandrels while the mandrels are serially fed to a downstream side in a feeding direction.

The invention belongs to the technical field of fiber material screening, and particularly relates to short fiber ultra-long automatic screening equipment which comprises a movable support, a screen component and a driving mechanism, the movable support comprises a supporting frame, lifting supporting legs, damping rubber pads, a sliding supporting plate, sliding holes and a supporting plate, and the lifting supporting legs are arranged at the four corners of the bottom of the supporting frame; damping rubber pads are arranged at the bottoms of the lifting supporting legs, sliding supporting plates are arranged on the front side and the rear side of the bottom of an inner cavity of the supporting frame, a sliding hole is formed in the right side wall of the supporting frame, and supporting plates are arranged on the front side and the rear side of the rear side wall of the supporting frame; the short fiber raw materials are laid on the screen component, when the driving mechanism works, the crank arm connecting rod mechanism is clicked to drive the screen component to horizontally move in a reciprocating mode, short fibers fall down from screen holes, the short fiber raw materials are screened, in the working process, noise generated by vibration is reduced through the damping rubber pad, the screening efficiency is improved, and fiber winding caused by vibration is avoided.

The application provides a composite pressure vessel fiber winding angle sensitivity analysis and optimization method, and belongs to the technical field of composite pressure vessel design and manufacturing. The method comprises the following steps: S1, model partitioning; S2, manufacturing constraint; S3, establishing a constitutive relation; S4, design variable parameterization; S5, mathematical expression of the optimization problem; S6, sensitivity analysis solution; S7, design variable updating; S8, iteration cycle and convergence determination. The method converts the design variables of the optimization problem from the unmanufacturable "local layer angle" to the actual "winding path parameters" that determine the fiber space angle, thereby strictly embedding the manufacturing constraint in the optimization process. Through the construction of a high-fidelity finite element model and the use of efficient analytical sensitivity analysis, efficient exploration of the design space is realized, and finally a winding angle distribution scheme that seamlessly connects with the numerical control winding equipment and can be directly used for multi-beam non-crossing production is output, thereby realizing the technical closed loop from optimization design to manufacturing planning.

The invention discloses a preparation method of an axially-reinforced flexible composite pipe. The preparation method comprises the following steps: firstly, carrying out melt extrusion on special raw materials for the HDPE pipe and color master batches by adopting a single-screw extruder to form a pipeline lining layer; secondly, spirally winding a glass fiber prepreg tape at + / -54.7 degrees on the outer surface of the lining layer by adopting a fiber winding machine to obtain a spiral reinforced tube blank; then, preheating, axial fiber bundle laying arrangement and hot-pressing compounding are sequentially conducted on the spiral reinforced pipe blank through a special axial fiber synchronous laying and hot-pressing compounding system, and an independent axial fiber reinforced layer is formed on the outer surface of the spiral reinforced pipe blank and subjected to hot pressing; and finally, co-extruding and coating the outer part of the pipe body with an outer protective layer, cooling, detecting, cutting at fixed length, coiling and packaging to obtain the axially reinforced flexible composite pipe. The preparation process is efficient and controllable, online, continuous and one-time forming of the axial reinforcing layer is achieved through the integrated device, seamless connection with a traditional production line is achieved, and the production efficiency and the product consistency are greatly improved.