1089 results about "Thermoplastic composites" patented technology

The invention discloses a high-impact-resistant thermoplastic composite material bottom protection plate which comprises a lower surface layer, a first high-impact-resistant layer, a sound insulation and heat preservation layer and an upper surface layer which are sequentially bonded through adhesive films from bottom to top, and the upper surface layer and the lower surface layer are both made of multiple layers of continuous fiber reinforced thermoplastic composite materials. And the first high-impact-resistant layer is made of an ultra-high molecular weight polyethylene material. Metal plates are not needed, the weather resistance of the metal plates does not need to be considered, machining is convenient, and continuous production can be achieved; compared with a bottom protection plate with a metal plate, the weight is reduced by 30-60%, the sound insulation and heat insulation performance is improved, and the gain effect is provided for battery heat preservation and automobile body noise reduction.

The invention relates to the technical field of composite material detection, in particular to a fiber-reinforced thermosetting thermoplastic composite structure interface quality detection method and system.The method comprises the steps that vibration excitation is applied to a target area of the surface of a to-be-detected sample, and the amplitude of the excitation is lower than the damage critical value of a weak bonding interface; a dynamic response signal perpendicular to the interface is collected in a vibration field non-diffusion area of the excitation point of the target area; performing frequency domain transformation on the dynamic response signal, and separating a fundamental frequency component and at least one high-order harmonic frequency component; according to the nonlinear enhancement effect of the high-order harmonic frequency component relative to the fundamental wave frequency component, whether the weak bonding defect exists in the target area or not is judged. According to the method, the technical bottleneck that the dynamic evolution process of the weak bonding defect of the composite material interface is difficult to capture in real time is effectively solved, sensitive response to the microdefect is realized through a nonlinear harmonic characteristic enhancement effect, and the recognition precision of traditional ultrasonic detection is improved.

A method of repairing a thermoplastic composite material is disclosed herein. The method includes placing the thermoplastic composite material on a supporting anvil, placing an energy transmission material on top of the thermoplastic composite material, and applying an ultrasonic welder to the thermoplastic composite material to consolidate and repair the thermoplastic composite material. Another method of repairing a thermoplastic composite material is disclosed herein. The method includes placing an energy transmission material on a supporting anvil, placing the thermoplastic composite material on top of the energy transmission material, and applying an ultrasonic welder to the energy transmission material to consolidate and repair the thermoplastic composite material.

The invention belongs to the technical field of high-performance composite materials, and discloses a carbon fiber reinforced thermoplastic composite material performance database, a construction method and application thereof, and the method comprises the following steps: S1, database structure construction; s2, experimental sample collection and data standardization; s3, feature engineering and variable reduction; s4, training a machine learning model; s5, constructing and verifying an adaptive model; and S6, data expansion and feedback optimization. According to the method, material performance prediction and formula parameter reverse design under target performance are realized through systematic acquisition and normalization processing of three types of data of material components, preparation process and performance characterization and building of a nonlinear mapping model among a material structure, a process and performance through a machine learning method. The database can be used for intelligently recommending a high-performance composite material combination scheme, is suitable for rapid screening and customized development of various thermoplastic composite materials, effectively reduces the research and development cost and development cycle, and improves the material design efficiency.

The medical bone implant (1; 11, 14) for stabilizing a bone area is provided, comprising an implant body made of a thermoplastic composite material for fixing in or on a human or animal bone for stabilizing the bone area, and further comprising at least one sensor (2) for measuring one or more parameters of the healing process and / or the state of the implant (1; 11, 14). The at least one sensor (2) is a passive magnetoelastic sensor (2). Furthermore, a method for monitoring the state of the implant (1; 11, 14) is provided, in which the passive magnetoelastic sensor (2) is used for monitoring the state of the implant (1; 11, 14) during the manufacturing process of the implant (1; 11, 14) and / or during storage of the implant (1; 11, 14).

The invention relates to the technical field of production of automobile roofs, and particularly discloses a fiber-reinforced thermoplastic composite automobile interior ceiling and a preparation method thereof. A fiber-reinforced thermoplastic composite material automotive interior ceiling comprises a base material and a fabric, and the base material sequentially comprises a bottom layer non-woven fabric, a first adhesive film, a blend fiber felt and a second adhesive film from bottom to top; the blend fiber felt is made of reinforced fibers and thermoplastic fibers through a non-woven process. The preparation method comprises the following steps of: preparing the base material by a dry method, forming the framework and compounding the fabric by using a set of mold to obtain a ceiling prototype, and then punching by using a cold mold and integrally curling and covering the base material and the fabric of the skylight opening to obtain the ceiling. The automobile interior ceiling made of the fiber-reinforced thermoplastic composite material has excellent dimensional stability and is more low-carbon and environment-friendly, and raw material leftover materials generated in the production process and products produced after the life cycle is ended are easy to recycle.

The invention discloses a thermoplastic composite material T-shaped rib forming mold and a using method thereof, and belongs to the technical field of T-shaped rib forming machining. The thermoplastic composite material T-shaped rib forming mold comprises an L-shaped piece shaping mold and a T-shaped rib curing mold; the L-shaped piece shaping mold comprises a shaping mold side pressing block, a shaping mold rectangular block is arranged on one side of the shaping mold side pressing block, a shaping mold upper pressing block is arranged above the shaping mold rectangular block, and the shaping mold upper pressing block is vertically connected to the shaping mold side pressing block in a sliding mode. The T-shaped rib is decomposed into the two L-shaped pieces, the flat plate and the plug, the L-shaped pieces are subjected to hot-pressing shaping through the L-shaped piece shaping mold, the multiple layers of thermoplastic prepregs only need to be laid and fixed to the shaping mold in order according to the laying sequence, layer-by-layer welding is not needed, and the manufacturing period is shortened.

The invention discloses a flow drilling hot melting screw joint process of a thermoplastic composite material and a light alloy, which specifically comprises the following steps of: overlapping a thermoplastic composite material plate and a light alloy plate in a form that the thermoplastic composite material plate is arranged on the upper part and the light alloy plate is arranged on the lower part, and then fixing; a flow drilling self-tapping screw is used as a connecting medium, flow drilling equipment is used for carrying out flow drilling hot melting screw joint, the rotating speed of the flow drilling stage is 6000-8000 r / min, the downward pressure is 0.4-0.8 kN, and the process time of the flow drilling stage is 5-20 s. According to the flow drilling hot melting screw joint process of the thermoplastic composite material and the light alloy, the thermal effect of the flow drilling self-tapping screw in the connecting process is used for enhancing the material flow of the thermoplastic composite material and the light alloy to form a melting layer effect at a material lamination interface; the reinforced composite connection effect of mechanical connection and welding of the composite material / light alloy is achieved, the applicability is high, operation is easy, the sealing performance is good, the connection firmness is good, and the application prospect is good.

The invention relates to a laser in-situ repair high shape-preserving device and method for a thermoplastic composite material. The device comprises a laser heating module for generating a laser beam; the positioning and control module realizes accurate positioning and movement of the laser beam; the material spreading module is responsible for providing supplementary materials; the temperature system control module monitors and adjusts the temperature of the material in a specific temperature interval to ensure that the material is always kept in a semi-fluid state; and the pressurizing shape-preserving module applies pressure to ensure the high shape-preserving repairing effect. The method comprises the following steps: firstly, scanning and positioning a to-be-repaired area; and then, the laser emitting module and the material spreading module are started for synchronous repairing, meanwhile, the material is controlled and ensured to be in a semi-fluid state through a temperature system, and pressurization is applied to achieve shape-preserving curing. The device and the method can effectively repair the surface defects of the thermoplastic composite material, remarkably improve the service life and performance of the component, and are suitable for the fields of aerospace, automobile manufacturing and the like.

The invention discloses a composite material performance prediction method based on multi-field coupling multi-scale analysis and a knowledge graph, which integrates microstructure modeling, graph neural network representation learning, cross-scale parameter coupling modeling and robust optimization analysis. The method is suitable for prediction and design of key mechanical properties such as modulus, strength and toughness of a thermosetting / thermoplastic composite material under different working conditions. The method comprises the following steps: firstly, constructing a grain-level tissue knowledge graph based on an electron backscatter diffraction image, secondly, constructing a multi-scale input system comprising a microscopic variable (such as a fiber volume fraction), a mesoscopic variable (such as a layer thickness sequence) and a macroscopic variable (such as a load condition), and finally, performing robust optimization by utilizing a multi-objective evolutionary algorithm to obtain a multi-scale input system. And outputting a material performance prediction result and a knowledge graph associated with the ji structure-process-performance. According to the method, the accuracy and interpretability of performance prediction of the composite material can be remarkably improved, and data-knowledge dual-drive support is provided for design optimization of the high-performance composite material.

The invention discloses a continuous fiber reinforced thermoplastic composite material and a preparation method thereof. The continuous fiber reinforced thermoplastic composite material comprises 35-40% of a polypropylene matrix with a melt index of 10-30 g / 10 min; 55% of continuous fibers are selected from glass fibers, carbon fibers or basalt fibers which are arranged in one direction, and the monofilament diameter is 9-15 microns; the intumescent flame retardant and the ammonium polyphosphate are compounded according to the mass ratio of 2: 1; 1-2% of an interface modifier, wherein a silane coupling agent KH-570 or PP-g-MAH is selected and used; the roughness Ra of the aluminum foil layer is 1.5-2.5 microns; under the condition of basically ensuring that the overall performance of the material is not greatly influenced, the application capability of the material is expanded, and the fireproof and flame-retardant capability of the material is improved, so that a thermoplastic composite material scheme can also be adopted under various harsh use conditions.

The invention relates to the technical field of temperature monitoring, in particular to a welding joint temperature monitoring method in a thermoplastic composite material welding scene, which comprises the following steps: acquiring temperature data of different positions of a thermoplastic composite material in the welding scene at each acquisition moment to form a temperature image point matrix at each acquisition moment; acquiring fluctuation data of the temperature image point matrix at each temperature fluctuation moment; dividing each fluctuation data cluster of fluctuation data in the temperature image point matrix at each temperature fluctuation moment; calculating a fluctuation distribution factor at each temperature fluctuation moment; obtaining a temperature abrupt change factor of each fluctuation data cluster of the temperature image point matrix at each temperature fluctuation moment; acquiring a fluctuation abrupt change factor at each temperature fluctuation moment; acquiring the laser intensity nonuniform weight at each temperature fluctuation moment; and monitoring the temperature of the welding joint in the thermoplastic composite material welding scene based on the uneven weight of the laser intensity. The accuracy of welding joint temperature monitoring is improved.

The invention belongs to the technical field of fiber size measurement, and particularly relates to a method for measuring the length of fibers in a fiber reinforced thermoplastic composite material. Mixing and diluting the fiber reinforced thermoplastic composite material and thermoplastic resin to obtain a diluted material, pressing the diluted material to obtain a test sample strip, cutting the test sample strip into a sample wafer, and measuring the length of the fiber in the sample wafer under an optical microscope; wherein the fiber reinforced thermoplastic composite material is prepared from matrix resin and reinforced fibers, and the matrix resin is the same as thermoplastic resin. According to the invention, the problems of poor measurement result accuracy and reproducibility and low measurement efficiency of the existing fiber length measurement method for the fiber reinforced thermoplastic composite material are solved.

The invention relates to a master-slave multi-edge staggered tooth milling cutter structure with a reinforced shearing and cutting function. The milling cutter structure comprises a left-handed main cutting edge, a right-handed main cutting edge, a left-handed main chip groove, a right-handed main chip groove, left-handed micro teeth, a left-handed micro tooth slave edge, right-handed micro teeth, a right-handed micro tooth slave edge and other micro teeth. A micro-tooth slave edge is formed in a cutting edge strip of a traditional staggered-tooth cutter, and the micro-tooth slave edge and a main cutting edge alternately cut materials. When the cutter rotates, materials on the upper edge and the lower edge of a workpiece are sheared and cut in the strong constraint direction through the left rotating main cutting edge and the right rotating main cutting edge, a thermoplastic composite material with high toughness is extruded and deformed under the cutting action, and at the moment, a surface fiber back support is strengthened due to extrusion deformation. And the left-handed micro-tooth slave blade and the right-handed micro-tooth slave blade shear and remove the material which is not removed in the strong constraint direction again in a reciprocating and alternating manner, so that multiple times of reinforced shearing and cutting of the material are realized. The design is beneficial for removing materials in a surface layer weak constraint state, surface layer damage is inhibited, and low-damage milling of the thermoplastic composite material is realized.

A method of blind welding thermoplastic composite components is provided that includes: providing a first thermoplastic composite having a FTPC bonding surface, a second thermoplastic composite having a STPC bonding surface, and an interface layer; disposing the interface layer between the FTPC STPC bonding surfaces; applying a normal force to the outer surface of the first thermoplastic composite component; applying an electromagnetic field to at least portions of the first and second thermoplastic composite components and the interface layer while the normal force is applied, and maintaining the application of the electromagnetic field until the first and second thermoplastic composite components and the interface layer create a weld pool; and removing the application of the electromagnetic field after the weld pool is created.

The utility model discloses a thermoplastic cellular board, which belongs to the technical field of high polymer materials and comprises a cellular core and a surface layer completely wrapping the outer surface of the cellular core, and the surface layer comprises an upper surface layer, a lower surface layer and a side surface layer. Each of the upper surface layer, the lower surface layer and the side surface layer independently comprises a continuous fiber reinforced thermoplastic composite material sheet and a resin film; the surface layer is arranged on the outer surface of the honeycomb core, the edge of the honeycomb core can be effectively wrapped, the wrapped edge is attractive, the sealing performance is good, edge breakage is not prone to occurring, meanwhile, the upper surface layer, the lower surface layer and the side surface layer are made of the same materials, the honeycomb core can be effectively protected, the sealing effect of the honeycomb core can be effectively improved, the honeycomb plate has the flame-retardant, anti-aging and waterproof functions, and meanwhile the service life of the honeycomb plate is prolonged. And the compressive strength and the bending strength of the cellular board are greatly improved.

The invention belongs to the technical field of guide mechanisms, and provides a belt width guide mechanism for a thermoplastic composite material, which comprises an equipment main body, a tray, at least one guide wheel, a filament guide plate and a filament bundle outlet, the charging tray, the guide wheel, the tow guide plate and the tow outlet are all detachably connected to the equipment body, and the charging tray is used for winding a composite tow band; the guide wheel is rotationally connected to the equipment main body and is provided with a first guide groove with a preset width; the wire guide plate is provided with a second guide groove with a preset width; the tow outlet is provided with a third guide groove with a preset width; one end of the composite material tow band is fixedly connected to the material disc and sequentially penetrates through the first guide groove, the second guide groove and the third guide groove, the other end of the composite material tow band is used for being connected with the pressing roller, and the central axis of the second guide groove and the axial direction of the third guide groove are both tangent to the peripheral contour of the pressing roller. The composite material tow band feeding device can position and guide the composite material tow band, and is convenient to replace and install to adapt to feeding of tow bands with different widths.

The invention relates to the technical field of structural part injection molding, in particular to a manufacturing method and equipment for a continuous fiber reinforced structural part, and aims to solve the problem that a structural part manufactured in the prior art cannot meet the requirements for light weight and high strength at the same time. Comprising the following steps: heating a thermoplastic composite material sheet and putting the thermoplastic composite material sheet into a mold; designing an original material formula, preparing materials according to the formula, and mixing the materials into a uniform melt; conveying and injection molding of melt materials are controlled through a reversing valve; the manufacturing data is associated with the product. The equipment comprises an extruding and mixing mechanism for melting, plasticizing and mixing each material in an original material formula, an injection molding mechanism for realizing the injection of a melt material, an injection molding machine mold locking unit for completing molding and curing, a control system for coordinating the whole process and an information tracing mechanism for ensuring the traceability of a product. The scheme is suitable for manufacturing functional parts with extremely high requirements on performance and safety in aerospace and automobile industries.

The utility model belongs to the field of materials, and provides a carbon fiber thermoplastic composite material structure, which is characterized in that an upper surface layer, a lower surface layer and a middle layer are laminated and combined through a concave structure, and then a reinforcing layer is connected at a certain temperature and pressure to form a secondary infiltration connection integral part. According to the carbon fiber thermoplastic composite material structure, the splicing type design of three layers of layers is adopted, and the carbon fiber three-dimensional weaving structure is adopted at the interface bonding part, so that the interface bonding strength of the carbon fiber thermoplastic composite material plate or profile is effectively improved. In addition, the connecting part adopts a carbon fiber three-dimensional woven structure, so that the structural rigidity, strength and stability are greatly improved.

The invention belongs to the technical field of thermoplastic composite material ultrasonic welding, and particularly relates to a fabric fiber reinforced thermoplastic composite material energy-conducting-rib-free type continuous ultrasonic welding method which comprises the following steps: S1, cleaning the surface of a to-be-welded part of a fabric fiber reinforced thermoplastic composite material; s2, a workpiece to be welded is fixed to an anvil; s3, selecting an ultrasonic welding head; s4, the initial positions of the pre-pressing structure and the pressure maintaining structure are adjusted; s5, the moving path of the mechanical arm is planned, the posture of the mechanical arm is controlled, and the moving speed of the mechanical arm is set; s6, ultrasonic welding parameters are set; s7, the mechanical arm drives the ultrasonic welding head, the pre-pressing structure and the pressure maintaining structure to move downwards; and S8, the mechanical arm drives the ultrasonic welding head, the pre-pressing structure and the pressure maintaining structure to conduct continuous ultrasonic welding according to the set welding path and welding parameters, and after ultrasonic welding is completed, a power source is turned off. According to the invention, high-quality and high-efficiency connection of the composite material is realized.

The invention discloses a large thermoplastic composite machine body assembling device and a using method thereof.The assembling device comprises two sets of elevated sliding rail assemblies, two sets of movable crown blocks, an AGV, four sets of barrel shape-preserving frames, a photogrammetry system and two sets of numerical control positioning systems, and the two sets of elevated sliding rail assemblies are symmetrically arranged at a certain interval between the two sets of elevated sliding rail assemblies; an AGV can pass through the middle, the two sets of movable crown blocks stretch across the tops of the two sets of elevated sliding rail assemblies side by side, the two sets of numerical control positioning systems are correspondingly arranged below the two sets of movable crown blocks, the barrel shape-preserving frame can fix one half of a thermoplastic composite machine body barrel, and a set of zero point positioning system is arranged on the upper end face of the barrel shape-preserving frame. The lower surface of the lower end of the machine body is provided with a set of ball head assembly, the machine body cylinder capable of being provided with the half thermoplastic composite material is fixed to the movable crown block, the lower surface of the lower end of the machine body is provided with a set of ball head assembly, the machine body cylinder capable of being provided with the half thermoplastic composite material is fixed to the AGV, the upper surface of the lower end of the machine body is provided with a set of ball head assembly, and the machine body cylinder capable of being provided with the half thermoplastic composite material is fixed to the numerical control positioning system. The technical scheme provided by the invention can be directly popularized to the technical field of mounting and lifting of aircraft floors of different sizes and types in the aeronautical manufacturing industry.

The invention relates to the technical field of production of fiber-reinforced thermoplastic composite prepreg and composite laminated plates thereof, in particular to a production method of high-strength polypropylene fiber-reinforced polypropylene resin unidirectional prepreg and a composite material. The method mainly comprises the following steps: straightly and tightly arranging and unfolding a certain number of polypropylene fibers, extruding a casting film from polypropylene resin through a screw, laminating and infiltrating the polypropylene resin and the polypropylene fibers, and pressing and coiling through a cold pressing roller to prepare the unidirectional belt. The one-way prepreg of the polypropylene self-reinforced composite material is paved according to a certain paving direction and thickness and then is subjected to hot pressing to prepare a polypropylene self-reinforced composite material laminated plate with a certain size and thickness. Or slitting the polypropylene self-reinforced composite material unidirectional prepreg, weaving the slit unidirectional prepreg with relatively narrow width, cutting and paving according to a certain size, or mixing and paving with a single-line prepreg tape, and performing hot pressing to form the polypropylene composite material laminated plate.

The invention belongs to the technical field of thermoplastic composite material forming preparation, and relates to an automatic thermoplastic composite material part laying device and method based on an oil heating mold. The device comprises a forming mold and a high-heat-conduction oil circulating system, a profiling runner network is integrated in the mold, and the runner layout is dynamically adjusted according to the local curvature radius and is combined with a high-temperature stable material to achieve efficient heat conduction. Through the three-stage process of forced circulation heating of high-thermal-conductivity silicone oil, prepreg laying and gradient cooling, and by dynamically adjusting the oil temperature and the flow speed, the fusion interface bonding and non-isothermal crystallization behaviors are synchronously optimized. The problems of large temperature gradient, dynamic response delay, high energy consumption and the like of a traditional heating scheme are solved, high-precision forming of a complex molded surface workpiece is achieved, the comprehensive energy consumption is low, and an efficient equipment foundation is provided for automatic manufacturing of thermoplastic composite materials.

The invention belongs to the technical field of uncertainty probability characterization analysis, and discloses a thermoplastic composite material leading edge structure design allowable value probability characterization method and system under a small sample condition, and the method comprises the steps: defining a plurality of candidate probability distribution models; fitting each model based on the original sample data and calculating an AIC value and a BIC value; a dynamic weight factor alpha is calculated according to the sample size n, and then a hybrid information criterion HIC value is calculated; generating a plurality of sample sets through Bootstrap self-service sampling, recalculating the HIC value on each sample set, and counting the selected optimal frequency of each model; and determining an optimal probability distribution model according to the frequency, wherein the optimal probability distribution model is used for representing a design allowable value. According to the method, the dynamic weight factor alpha is introduced, AIC and BIC criteria are effectively unified, optimal balance between prediction precision and model complexity is achieved under the condition of small samples, and engineering practicability and robustness are remarkably improved.

A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. The golf club head includes a frontal portion and a rear portion formed of a thermoplastic composite material. The thermoplastic composite material is mechanically captured by at least one first attachment feature provided in the frontal portion such that the thermoplastic composite material may be joined to the frontal portion without the use of additional adhesives or external fasteners.

The invention discloses a fiber-reinforced thermoplastic resin-based composite material based on dynamic reversible interface interaction and a preparation method and a recycling method thereof. The fiber-reinforced thermoplastic resin-based composite material comprises a modified thermoplastic resin matrix and a modified fiber reinforcement which are compounded with each other, the modified thermoplastic resin matrix and the modified fiber reinforcement are bonded and connected through dynamic bonds with dynamic reversible interface interaction. Through construction of dynamic reversible interface interaction in the fiber-reinforced thermoplastic resin-based composite material, infiltration compounding and interface bonding between a fiber reinforcement and a high-viscosity thermoplastic resin melt can be enhanced, and interface debonding and total-value recycling of the fiber reinforcement in the composite material recycling process can be effectively promoted; therefore, the bottleneck problems of poor wettability in the forming process, low bonding fastness at a heterogeneous interface, insufficient mechanical properties, low waste recovery value and the like confronted by the development of the fiber-reinforced thermoplastic composite material are effectively solved.

The invention relates to the technical field of sheet conveying production, in particular to a continuous fiber reinforced thermoplastic composite sheet conveying production line which comprises two conveying frames, a conveying belt is arranged between the two conveying frames, and fixing plates are fixedly connected to the left portions of the upper ends of the two conveying frames. The upper ends of the two fixing plates are jointly and fixedly connected with a top plate. According to the continuous fiber reinforced thermoplastic composite sheet conveying production line, the continuous fiber reinforced thermoplastic composite sheet is extruded through the pressing rollers, bubbles possibly generated in the composite sheet in the thermoplastic process can be reduced, and therefore the compactness and structural integrity of the composite sheet are improved; and a spring is arranged in the extrusion mechanism, so that self-adaptive pressing of the composite sheets with different thicknesses can be realized, the equipment can quickly switch corresponding cold source or heat source types according to the materials, thicknesses or process requirements of the different composite sheets, and the adaptability of the production line to diversified production requirements is enhanced.

Embodiments relate to an enhanced method for building walls by primarily reducing the time for assembly. The design is for a molded multi-segment plastic composite construction block that interlocks horizontally, vertically and orthogonally with a clearance-fit, does not require mortar for structural integrity and is self-aligning. The blocks are molded out of natural-fiber reinforced thermoplastic composites with thermal expansion coefficient less than 0.0002 per degree Celsius and compression strength greater than 60 MPa.

The invention discloses a thermoplastic composite material double-laser laying and winding head device and a processing method. A torque motor is connected with a composite material tape reel; one end of the tension adjusting mechanism is connected with the composite tape reel, and the other end is connected with the pressure cylinder; the support is connected with the side surface of the tension adjusting mechanism 4; the re-conveying mechanism is fixed to the middle of the tension adjusting mechanism, the first laser head and the second laser head are fixed to the bottom of the tension adjusting mechanism, and the shearing mechanism is located between the re-conveying mechanism and the pressing mechanism. The re-conveying mechanism can be used for re-conveying the composite material strip to a proper position below the pressing mechanism after the composite material strip is cut off; the shearing mechanism is used for shearing the composite material strip when the composite material strip needs to pass through the jump point; the pressing mechanism attaches the composite material strip to the surface of a workpiece in a rolling mode, the shearing mechanism shears the composite material strip, and the composite material strip is laid and wound on the workpiece to form a base material; the pressing mechanism is used for pressing the composite material strip on the base material; the side face of the pressing mechanism is connected with a pressing roller cooling water faucet. According to the invention, the thermoplastic composite material is heated through double laser, so that the reliability of interlayer bonding of the composite material can be improved, the interlayer strength of the thermoplastic composite material is improved, and the laying and winding quality and efficiency of the thermoplastic composite material are improved.

The disclosure describes a device, method, and transfer apparatus for stamping thermoplastic composite blanks. The blanks may consist of laminated fibrous plies which may comprise continuous fibers in a thermoplastic polymer matrix. Supporting unidirectional fibers or holding tapes, pre-impregnated with polymer and extending beyond a shaping area's edges may be clamped in jaws, allowing the blank to be suspended and heated without sagging. The transfer system moves the blank between a heating station and a stamping station, where a punch and die may shape it while maintaining calibrated tension to reduce defects such as creasing or delamination. Advanced jaw mechanisms, including pivoting jaws with multiple clamping slots, enable differential tensioning of plies for precise forming of complex geometries. After stamping, excess fiber extensions may be trimmed and may be recycled. This approach eliminates the need for nonrecyclable polyimide films and improves process reliability for thick or heavy blanks.