1747 results about "Hot press" patented technology

The invention relates to the crossing field of mechanical engineering and intelligent manufacturing, and discloses a real-time monitoring, regulating and controlling method for the manufacturing process of an automobile lightweight component. According to the method, a distributed fiber bragg grating sensing array is embedded in a mold, and a three-dimensional strain field at the flowing front edge of resin is obtained in real time; a multi-scale pore generation kinetic model is combined to perform online inversion on an unwetted area and pore distribution; and the pressure gradient and the mold temperature field of the hot press are adaptively regulated and controlled, and the flow path is dynamically corrected. The system comprises a sensing embedding module, a strain demodulation module, a pore inversion module, a regulation and control instruction generation module and a multi-zone execution module. According to the method, closed-loop precise control over the porosity being lower than 0.5% is achieved, and the consistency and reliability of the mechanical property of the component are remarkably improved.

The invention discloses an autoclave temperature offline simulation and online prediction method based on Hybrid KAN feature fusion. The autoclave temperature offline simulation and online prediction method comprises the steps that historical temperature time sequence data and static process parameter data of different batches are collected; performing feature screening and preprocessing, and constructing a time sequence data input sequence and a static process parameter input sequence; designing a Hybrid KAN neural network model, taking the time sequence data input sequence and the static process parameter input sequence as input, and outputting a predicted value of the temperature of the autoclave at the next moment through feature extraction and fusion; taking minimization of a loss function as a target, training the model, and obtaining an optimal model by using a structured pruning strategy; and deploying an optimal model, and realizing off-line simulation and on-line prediction of the temperature of the autoclave through rolling time window iteration multi-step prediction. The method is high in accuracy, wide in universality, small in model parameter scale, high in reasoning efficiency and suitable for autoclave temperature prediction in complex scenes.

The invention discloses a device and a method for measuring the velocity field of an autoclave through hot-pressing wind speed. The device comprises a thermosensitive probe, a Wheatstone bridge, a lock-in amplifier, an NI multi-channel data acquisition card and a computer, the thermosensitive probe is used for instantaneously detecting the temperature of a placement point position and generating resistance fluctuation based on sensing temperature change; the Wheatstone bridge is formed by connecting a fixed resistor, a variable resistor and a thermosensitive probe, and is used for forming a series circuit with the lock-in amplifier; the lock-in amplifier is used for supplying power to the Wheatstone bridge and providing co-frequency voltage at the same time, so that resistance data of a thermosensitive probe in the Wheatstone bridge is converted into voltage data to be output; the NI multi-channel data acquisition card is used for acquiring in-phase component voltage signals output by the lock-in amplifier; the computer is used for processing the voltage data to obtain the average speed and the pulsation speed of the measurement point. According to the invention, the problems of limited precision, insufficient sensitivity and poor adaptability to the internal environment of the autoclave in the conventional gas speed measurement method are solved.

The invention relates to the technical field of busbar welding equipment, and discloses a railway traction converter laminated busbar automatic welding machine which comprises a machining base, and an upper hot-pressing mechanism and a bottom hot-pressing mechanism are arranged on the upper surface of the machining base. The machining base is provided with an automatic discharging mechanism and an automatic feeding mechanism which are used for automatically guiding and pushing materials. By arranging the upper hot-pressing mechanism, the bottom hot-pressing mechanism, the automatic discharging mechanism and the automatic feeding mechanism, the multiple metal plates can be guided and limited through the automatic discharging assembly, so that the multiple metal plates are automatically discharged downwards, and meanwhile, the automatic discharging assembly is matched with the automatic feeding mechanism; the metal plates with the corresponding number can be pushed to the position above the bottom hot-pressing mechanism through the automatic feeding mechanism, hot-pressing welding work of the metal plates can be achieved through cooperation with the upper hot-pressing mechanism, manual stacking and feeding by workers are not needed, and the working efficiency is improved.

The invention discloses new energy circuit board processing equipment and a processing method, and belongs to the technical field of flexible circuit board preparation, the new energy circuit board processing equipment comprises a rack, a copper foil processing mechanism, an upper PI film laminating mechanism, a lower PI film laminating mechanism and a forming mechanism; the copper foil processing mechanism comprises a copper foil unwinding roller, a laser cutting machine, a copper foil waste discharge assembly and a lower protection assembly I; the copper foil unwinding roller is rotationally mounted at a first station on the rack; the rack is provided with a copper foil waste discharge assembly and a lower protection assembly I; the upper PI film laminating mechanism comprises an upper protection assembly, an upper PI film windowing assembly, a first hot pressing assembly and a position adjusting assembly, the upper protection assembly is installed on the rack, the upper PI film windowing assembly is installed on the rack, and the first hot pressing assembly is installed on the rack; a position adjusting assembly is mounted on the rack; a lower PI film laminating mechanism is mounted on the rack; and a forming mechanism is mounted on the rack. Through the mode, after the copper foil material belt is cut by laser, the upper film and the lower film are sequentially bonded on the copper foil material belt.

The utility model discloses a heating membrane laminating device. Comprising a machine frame, a belt conveyor installed on the machine frame, a pair of U-shaped supporting plates fixed to the machine frame, a pair of sliding blocks arranged in the middles of the two U-shaped supporting plates in a sliding mode respectively, a pair of air cylinders driving the two sliding blocks to slide respectively, a hot pressing roller with the two ends penetrating through the two sliding blocks in a rotating mode respectively, and a first motor driving the hot pressing roller to rotate. The two ends of the tensioning roller are rotationally connected with the two U-shaped supporting plates correspondingly, one end of the unwinding roller is rotationally connected with one U-shaped supporting plate, the rectangular supporting plates are fixed to the fixed rack, the two ends of the rotating shafts penetrate through the two rectangular supporting plates in a rotating mode correspondingly, the second motor drives one rotating shaft to rotate, and the two pairs of belt wheels are arranged on the two rotating shafts in a sleeving mode correspondingly. The two pairs of belt wheels are sleeved with the two belts respectively, and the dust collection assembly is arranged at the tops of the two rectangular supporting plates. The heating film laminating machine has the advantages of being capable of automatically cleaning the surface of the heating film and safely laminating the heating film and the packaging film.

The invention discloses a design and preparation method of a personalized gradient thickness invisible orthodontic appliance model, relates to the technical field of tooth orthodontics, and aims to overcome the defects that the thickness is uncontrollable and preset mechanical properties cannot be accurately realized when an invisible orthodontic appliance is manufactured by a traditional hot press molding process. The method comprises the following steps: firstly, reconstructing a personalized dental model containing tooth roots and bone tissues based on CBCT data of a patient; designing a plurality of gradient thickness appliance schemes; through finite element analysis and simulation, selecting an optimal scheme which is most favorable for realizing correction effects such as overall movement of teeth; and finally, integrally forming and manufacturing the selected appliance by adopting a direct 3D printing technology. The direct 3D printing ensures that the appliance can be manufactured in a high-precision and high-fidelity manner from a complex gradient thickness structure with thick gingiva and thin occlusal surface, so that the optimized mechanical property verified by simulation can accurately reproduce in a real object, the inherent defects of a hot-pressing film process are thoroughly overcome, and the accuracy and predictability of correction are remarkably improved.

The invention relates to the technical field of metal powder metallurgy process simulation. The high-entropy alloy hot pressing sintering and nanoindentation coupled molecular dynamics simulation method comprises the steps that a three-dimensional multi-particle atomic model of a high-entropy alloy is built, and initial boundary conditions are set; adjusting an initial boundary condition to be a contractility boundary condition, setting process parameters of hot pressing sintering on the model, and executing molecular dynamics simulation of the hot pressing sintering process; performing molecular dynamics and Monte Carlo hybrid simulation on the sintered model; mechanical boundary conditions are set for the optimized atomic model, a virtual indenter is controlled to be pressed into the optimized atomic model, molecular dynamics simulation of a nanoindentation test is executed, and physical field response parameters are collected in the test process; and based on the physical field response parameters, macroscopic mechanical property indexes are extracted. According to the method, the mapping relation between the hot pressing sintering process parameters and the macroscopic mechanical property is established, and a basis is provided for optimization of the hot pressing sintering process of the high-entropy alloy powder.

The utility model relates to a hot rolling device which comprises a hot pressing assembly, and the hot pressing assembly comprises an upper pressing roller and a lower pressing roller which are used for rolling a material layer and a heating piece used for heating the material layer to be rolled and the pressing rollers. The heating pieces are arranged on the upstream and downstream of the upper and lower pressing rollers in the conveying direction of the material layer, heat reflecting surfaces are further formed on the sides, away from the conveying direction and the pressing rollers, of the heating pieces, the heat reflecting surfaces are used for reflecting heat emitted by the heating pieces, and the heating pieces are separated from the pressing rollers, so that a heat source is separated; the heat generated by the heat source is concentrated in the space where the material layer conveying path near the compression roller is located, so that the heating uniformity of the material layer is improved while the heating effect on the material layer is ensured.

The invention discloses a metal embedded part, a carbon fiber composite product and a machining method. The metal embedded part comprises a metal part body and a positioning column, and a positioning hole is formed in the metal part body; the positioning columns and the carbon fiber composite product are made of the same material, the positioning columns are embedded into the positioning holes, and the upper ends of the positioning columns protrude out of the upper surface of the metal part body and extend to the surface of the carbon fiber composite product. Through material matching and structure interlocking design, the metal embedded part effectively solves the problem of displacement of the metal embedded part caused by difference of thermal expansion coefficients in the hot press molding process of the carbon fiber composite material product, and the bonding reliability of metal and a composite material interface is enhanced.

The application provides a preparation method of high-conductivity carbon fiber paper and belongs to the technical field of fuel cells. The method comprises the following steps: step 1, dissolving a water-soluble polymer in water to prepare a dispersion liquid with a certain concentration; step 2, dispersing short-cut carbon fibers with a certain thickness of metal plating layer in the dispersion liquid to prepare a fiber slurry; step 3, performing wet papermaking on the slurry, and performing pressing and drying to prepare a raw paper; and step 4, performing high-temperature hot pressing treatment on the raw paper under a reducing atmosphere and a certain pressure to prepare a primary carbon paper. The prepared carbon paper has an electrical resistivity less than 3 mΩ·cm, a porosity greater than 80%, and a gas permeability greater than 2200 ml·mm / [cm 2 ·h·mm·Aq]. The application improves the electrical conductivity of the carbon paper and the gas permeability of the carbon paper, and the process is simple, and the performance of the fuel cell can be obviously improved.

This invention proposes a metal soft magnetic powder core with excellent low-frequency magnetic properties and its preparation method, belonging to the field of magnetic materials. Using at least nano-boron powder and iron-silicon soft magnetic alloy powder as raw materials, high-temperature diffusion and high-temperature nitriding treatments are employed. Part of the nano-boron powder forms a high-resistivity iron-silicon-boron permeation layer on the surface of the iron-silicon soft magnetic alloy powder, while some nano-boron powder forms a boron nitride insulating layer with both high resistivity and high thermal stability between the iron-silicon soft magnetic alloy powders, effectively controlling eddy currents. Hot pressing further increases the density of the metal soft magnetic powder core, reduces the demagnetizing field, thereby improving permeability and reducing hysteresis loss. Thus, excellent low-frequency magnetic properties of high density, high permeability, and low loss are simultaneously obtained in the metal soft magnetic powder core.

This invention discloses a composite molding control method and system for automotive trunk carpets, belonging to the field of intelligent manufacturing technology. The method includes: acquiring multi-layer carpet material to obtain a composite material to be molded; collecting multi-layer hot-pressing related characteristic information, generating a pressure-temperature field control spectrum and dynamic surface contact state of key surfaces that vary with time and space through digital twin simulation; controlling the hot press to perform molding operations using the pressure-temperature field control spectrum, activating a flexible thin-film sensor array to monitor the pressure distribution, material contact state, and micro-vibration of key surfaces in real time, and generating synchronous surface contact state data; comparing the synchronous surface contact state data with the dynamic surface contact state, calculating the state difference vector field, and performing dynamic compensation. This application solves the technical problem in the prior art where the hot-pressing molding parameters for automotive trunk carpets are fixed, making it difficult to accurately control key surfaces, resulting in numerous defects such as wrinkles and cracks, and poor batch consistency.

This invention discloses a battery cell hot pressing device, including a worktable, a guide post fixed to the upper end of the worktable, a mounting plate fixed to the upper end of the guide post, a cylinder fixed to the upper end of the mounting plate, a piston rod of the cylinder fixed to a sliding plate, a lower end of the sliding plate fixed to an upper heating plate, and a lower end of the upper heating plate fixed to an upper pressure plate. A mounting cavity is provided on the worktable below the upper pressure plate, a fixing rod is fixed inside the mounting cavity, and hollow rods are symmetrically fitted around the fixing rods on both sides of a support plate. The hollow rods are driven to rotate by a drive mechanism. A rotating shell is fitted around the fixing rods and fixed to the hollow rods. The upper and lower ends of the rotating shell are open, and a lower pressure plate (first and second) capable of vertical movement is provided at the upper and lower ends of the rotating shell, respectively. The ends of the lower pressure plates near the fixing rods are fixed to the lower heating plate. A receiving plate is provided inside the mounting cavity below the rotating shell. This invention can automatically complete the material discharge, improving work efficiency.

The present invention provides a sealing sheet for solar cell modules that offers a desirable level of molding properties, heat resistance, and effectively suppresses defects during hot press processing. [Solution] A encapsulating sheet for solar cell modules, with a polyolefin resin as the base resin, a melting point of 55°C to 120°C, a temperature difference of 20°C or less between the extracellular melting initiation temperature and the melting point, and a shear rate of 2.43 × 10 sec measured at 190°C. -1 The solar cell module comprises a sealing sheet having a melt viscosity of 1000 Pa·s or more and 4000 Pa·s or less, preferably with a gel fraction of 10% or less, and at least one of the front sealing layer and the back sealing layer being composed of the sealing sheet.

The invention relates to the technical field of floors, and discloses a special-shaped magnetic suspension floor, the special-shaped magnetic suspension floor comprises a bottom plate, canvas, a base material, magnetic cloth and a floor, the base material comprises polyvinyl chloride (PVC) resin, a plasticizer, calcium carbonate, a calcium-zinc stabilizer and carbon black, the bottom plate, the canvas, the base material, the magnetic cloth and the floor are put into a hot press for hot pressing, the temperature of a first temperature section of the hot press is 150 DEG C, the time is 1200 s, and the temperature of a second temperature section of the hot press is 150 DEG C; the temperature of a first pressing machine temperature section is 150 DEG C, the pressure is 40 bar, the temperature of a second pressing machine temperature section is 150 DEG C, the time is 1300 s, the pressure is 60 bar, the temperature of a third pressing machine temperature section is 150 DEG C, the time is 240 s, the pressure is 80 bar, the time of passing through a cooling device is 2000 s, the pressure is 120 bar, a magnetic suction cushion layer is manufactured, the magnetic suction cushion layer manufactured through hot pressing cooling can be used for convenient and fast attachment use, and the suspension floor is simple in installation mode and convenient to install. The suspension floor can be installed without complex tools, the installation speed of the suspension floor is high, style transformation and replacement of the suspension floor are facilitated, and therefore the convenience of upgrading of the suspension floor is improved.

The utility model discloses a hot press shaping machine, including base, be equipped with the pressure plate mechanism on the base, the pressure plate mechanism outside is equipped with the light curtain protection mechanism, the pressure plate mechanism outside cover is equipped with the protective cover, the protective cover is equipped with an opening, the light curtain protection mechanism is located the opening place, the light curtain protection mechanism includes the opposite arrangement and is equipped with the receiving end of the emission end and the opening both sides respectively. Through the protective cover and the light curtain protection mechanism, the hot pressure operation area is closed and is protected, not only effectively blocks the invasion of foreign matters, but also can monitor the safety state of hot pressure area in real time. When the hand of operator or other objects enters the hot pressure operation area, the light curtain protection mechanism can detect the signal that the light beam is blocked quickly, and the signal is transmitted to the PLC controller, and the PLC controller triggers the stop command immediately, thereby preventing the pressure plate mechanism from continuing to act, effectively avoiding the extrusion injury to the personnel, and improving the operation safety.

The application discloses a method for preparing an indium-based soft soldering sheet by vacuum hot pressing, belongs to the technical field of thermal interface materials for chip packaging and IGBT power module welding material preparation, and is characterized in that pure indium powder or indium-tin mixed alloy powder is uniformly laid in a graphite mold, the graphite mold is vibrated or knocked, and the pure indium powder or indium-tin mixed alloy powder is laid flat and densely; the graphite mold is fixed in a vacuum hot pressing machine, a pressure of 10 MPa is applied to the vacuum hot pressing machine, vacuum is drawn to 1*10 ‑3 Pa, a temperature rising rate is controlled to be less than 5 DEG C / min, when the temperature rises to the melting point of indium or the melting temperature of the indium-tin mixed alloy, a pressure maintaining state is kept for 0.5-1 hours, then the mold is cooled to room temperature along with the furnace, the mold is taken out, and a pure indium soldering sheet or an indium-tin-based multi-element alloy soldering sheet is obtained. The method has simple process and low energy consumption, and the performance of the prepared soft thin soldering sheet is obviously improved.

The utility model relates to the technical field of garment processing, and discloses pattern hot-pressing equipment for garment production process processing, which comprises a fixing frame, a workbench fixedly connected to the upper surface of the fixing frame, a placing table fixedly connected to the center of the upper surface of the workbench, and silica gel clamping plates fixedly connected to the four edges of the placing table respectively. A hot-pressing support is fixedly installed at the rear end of the outer surface of the fixing frame, an automatic telescopic rod is fixedly connected to the lower surface of the hot-pressing support, a fixing plate is fixedly connected to the bottom of the automatic telescopic rod, a fixing column is fixedly connected to the lower surface of the fixing plate, and a hot-pressing plate is fixedly connected to the bottom of the fixing column. By using the flattening device, the flattening plates at the bottoms of the first moving plate and the second moving plate slide on the surface of the clothes at the same time to flatten the surface of the clothes, so that pleats on the clothes are spread, and the situation that hot-pressed patterns are irregular and the hot-pressing efficiency is reduced due to the fact that the clothes are unflatly laid and wrinkles appear on the surface of the clothes can be avoided.

The invention belongs to the technical field of heat transfer printing, and relates to an automatic hot press which comprises a rack, a heating and pressing device and a driving device. The heating and pressing device is mounted on the rack and comprises a heater, and the heater is provided with an adjustable hot pressing channel and a first gap extending along the hot pressing channel; the driving device comprises an electric driver, a lead screw nut mechanism and a transmission component, the driving device and the rack can be pivotally connected around a first axis parallel to the axial direction of the heater, and the transmission component can pivotally act on the heater around a second axis parallel to the first axis; the screw-nut mechanism comprises a screw rod and a nut component, the screw rod is fixedly connected to the transmission component and is perpendicular to the second axis, the nut component is coupled with the electric driver through a tooth system, and the tooth system comprises a first meshing component which is fixedly configured relative to the nut component; and the heating and pressing device responds to the movement of the screw rod to change the size of the hot pressing channel.

The utility model discloses a code spraying sealing machine for fish packaging, which relates to the technical field of packaging equipment, and comprises a rack, a sealing transmission mechanism, a sealing slicking mechanism and an ink spraying mechanism, the rack comprises a stand column I, the top end of the stand column I is fixedly connected with a support frame, and the top end of the support frame is provided with the sealing slicking mechanism; the top end of the lower hot pressing plate is fixed to the top end of a supporting frame, the top end of the supporting frame is fixedly connected with an upper cover plate, the top end of the supporting frame is fixedly connected with an ink jet bottom plate, the inner side of the top end of the upper cover plate is fixedly connected with a third stand column, and the inner side of the top end of the upper cover plate is fixedly connected with a hydraulic rod. The code spraying device has the beneficial effects that code spraying and sealing procedures are integrated, code spraying operation is carried out while products are sealed, the sealing procedures and the code spraying procedures can be carried out in parallel, the machining time is effectively shortened, then the production efficiency is improved, meanwhile, a sealing slicking mechanism is additionally arranged, and the code spraying accuracy is guaranteed.

The invention belongs to the technical field of graphite metal composite materials, and provides a high-heat-flux graphite-based heat conduction core material, a preparation method thereof and a solid temperature uniformizing plate, and the preparation method comprises the following steps: forming a plurality of micron-sized blind holes in the surface of a graphite film, and processing a plurality of through holes in the graphite film; sequentially depositing an active metal film and a heat-conducting metal film on the surface of the graphite film to obtain a coated graphite film; stacking and aligning a plurality of layers of coated graphite films, enabling the through holes in each layer to be communicated to form a plurality of channels, and filling metal powder in the channels to form a graphite-metal composite green body; and performing vacuum hot pressing to melt the metal powder to form a metal column penetrating through multiple layers, so as to obtain the graphite-based heat-conducting core material. The graphite-based composite material for the vapor chamber prepared by the method has the advantages of high thermal conductivity, high thermal conductivity, high mechanical strength and excellent weldability.

A hot press cushioning material includes fluororubber. A composition of the fluororubber includes a fluororubber component, a vulcanizing agent, an acid acceptor, and a dehydrating agent.

The utility model discloses a whole structure design realizes to avoid the battery to be affected by external force and cause diaphragm to wrinkle, damage and pole piece misplacement, avoids the electric core to be adhered on the hot pressing plate, ensures the appearance integrity of electric core not to be damaged and ensures the quality of electric core, promotes the reliability and efficiency of carrying lamination type battery, improves the yield of lamination type battery, reduces the loss, reduces the cost, and the lower heating plate is the overall design, can realize the compatible electric core of different size or different specification, and the versatility is strong.

The utility model discloses a kind of hot press forming devices for XPE material, including workbench, four columns are vertically arranged in workbench top, four column top is commonly connected with upper horizontal plate, first cylinder is fixedly installed in upper horizontal plate top, first cylinder output end is connected with moving crossbeam and is penetrated by upper crossbeam, moving crossbeam is slidably connected with four columns by sliding bearing seat, two hot pressure power pieces are fixedly installed in moving crossbeam top, the pressing plate is connected with the output end of two hot pressure power pieces and is penetrated by moving crossbeam, upper hot press plate is installed in the bottom of pressing plate, a pair of linear guides is installed in workbench top, moving plate is commonly connected with the top of a pair of linear guides, lower hot press plate is installed in moving plate top, screw nut moving device is installed in the bottom of moving plate;By screw nut moving device driving moving plate and lower hot press plate whole removal work area, operator completes feeding and discharging in open safety area, completely avoid human body into upper mould pressing dangerous area, eliminate clamping and pressing risk.

The present invention relates to a method for heating a steel sheet or a blank for hot press forming, in which the heating method comprises: a step of preparing a steel sheet or a blank; and a heating step in which the steel sheet or the blank is passed through a heating furnace including two or more zones, wherein, in the heating step, the temperature and residence time of each zone are controlled such that Hsum, which is represented by relational expression 1, is 1.00 or more.

The utility model provides a packaging box hot press forming device for food processing, which relates to the technical field of plastic packaging box processing and comprises a bottom support, the top end of the bottom support is connected with a supporting plate, and the bottom end of the supporting plate is fixedly connected with a top cooling component; a uniform cooling assembly; the uniform cooling assembly comprises a water pump fixedly connected to the bottom support, the output end of the water pump is fixedly connected with a water conveying pipe, the end, away from the water pump, of the water conveying pipe is fixedly connected with a fixed mold box, and a cooling cavity is formed in the fixed mold box. By means of the design, efficient heat absorption and dissipation are achieved, it is ensured that the whole packaging box body and the movable module can be evenly and stably cooled, a large amount of heat is absorbed and circulated through the cooling liquid circulation system and the cooling cavity, and then through the heat dissipation design that the top cooling assembly is combined with the fins, the heat dissipation plate and the condensation pieces, the heat dissipation efficiency is improved. And heat can be distributed more uniformly, so that the problem of insufficient heat dissipation of the top due to the fact that the heat conduction pipe can only cool on the side surface is avoided.

A device for vacuum pressure testing at multiple angles, comprising: a winding and unwinding device; a device for hot pressing testing at an angle of inclination; a conveyor belt designed to transport at least one battery cell to be tested for hot pressing tests at various angles of inclination from the winding and unwinding device to the device for hot pressing testing at an angle of inclination, and to transport a tested battery cell to be tested back to the winding and unwinding device for collection; a drive device by which the conveyor belt is driven in such a way that it carries out transport at an angle between the winding and unwinding device and the hot press testing device; and a first vacuum chamber, which serves to accommodate the device for hot press testing at an angle of inclination.

The application provides a method for preparing a high-entropy alloy composite material. In the application, a high-entropy alloy grid is prepared by using a synchronous laser cladding technology, the high-entropy alloy grid is strengthened by using a heat treatment technology, the high-entropy alloy composite powder is formed by using a hot pressing technology, and finally the hot-pressed composite material is finally formed by using a laser melting technology. The existence of the high-entropy alloy grid can avoid the large-area enrichment of ceramic particles, the preform is prepared by using the hot pressing technology, the combination between the high-entropy alloy grid and the high-entropy alloy composite material in the subsequent melting process is increased, and the aggregation speed of the ceramic particles in the melting process is slowed down, so that the high-entropy alloy composite material is solidified and formed before the ceramic particles are aggregated. Therefore, the high-entropy alloy composite material prepared by the application does not have the aggregation of the reinforcing phase, and the composite material has good strength and toughness.

The invention belongs to the technical field of heat transfer printing, and relates to an automatic hot press which comprises a rack, one or more heating and pressing devices, two first guide rails, a driving device and two second guide rails. The heating and pressing device comprises a heater, the heater is provided with an adjustable hot-pressing channel and a first gap extending along the hot-pressing channel, and the two first guide rails are arranged on the two sides of the first gap of the heating and pressing device; the driving device is used for driving the heater to adjust the size of the hot-pressing channel, one second guide rail is mounted on the rack, and the other second guide rail is arranged at an interval and relatively moves in response to driving of the driving device; the heating and pressing device is quickly assembled through the first guide rail and the second guide rail; and the locking mechanism is used for locking and unlocking the heating and pressing device and the rack. And through cooperation of the first guide rail and the second guide rail, an operator can quickly complete mounting and dismounting in a sliding insertion mode, convenient mounting and dismounting are met, and transmission of the acting force of the driving device is not affected.