279results about How to "Easy to print" patented technology

The invention discloses an antibacterial water-resistant aluminum-plastic composite hose and a preparation method thereof, and belongs to the technical field of aluminum-plastic composites.The antibacterial water-resistant aluminum-plastic composite hose comprises a hose head and a hose body, the hose body is formed by lap joint of antibacterial water-resistant aluminum-plastic composite sheets, and the antibacterial water-resistant aluminum-plastic composite sheets are arranged on the hose head. The antibacterial waterproof aluminum-plastic composite sheet sequentially comprises an outer-layer PE film, a hyperbranched copolymer, an aluminum foil, an ethylene-methacrylic acid copolymer and an inner-layer PE film, the hyperbranched copolymer and the ethylene-methacrylic acid copolymer are formed by cross-linking and copolymerizing an acrylate cross-linking agent and a sulfydryl-silyl ether cross-linking agent. The hyperbranched copolymer provided by the invention can be used as a bonding layer to meet the requirement of the aluminum-plastic composite hose on peel strength, and the aluminum-plastic composite hose also has good tensile strength, water-proof and oil-proof effects and antibacterial performance.

The invention provides an AI-driven photocuring 3D printing fault prediction method, and relates to the technical field of 3D printing, and the method comprises the steps: collecting printing parameters in real time based on a sensor installed on photocuring 3D printing equipment, and carrying out data preprocessing; multi-dimensional features of photocuring 3D printing are extracted, time sequence features and spatial features are analyzed, and high-dimensional feature vectors of photocuring 3D printing are obtained; marking the collected historical printing data as a normal data sample and a fault data sample, and training and optimizing the constructed fault prediction model in combination with the high-dimensional feature vector; printing parameters collected in real time are detected based on the trained fault prediction model, an obtained prediction result is compared with a preset early warning threshold value, and if the prediction result exceeds the threshold value, early warning is given out according to a fault grading result. By monitoring and analyzing key parameters in the printing process in real time, potential faults are predicted, automatic adjustment is carried out when abnormity occurs, and the reliability of the printing process and the product quality are improved.

The invention relates to a glue printing screen. The glue printing screen plate comprises a screen plate and a flexible layer, and a plurality of meshes are formed in the screen plate; the flexible layer is arranged on the bottom surface of the screen plate, a plurality of through holes are formed in the flexible layer, and one through hole is correspondingly formed in each mesh hole; the flexible layer can generate telescopic deformation in the axial direction of the meshes. According to the glue printing screen plate, the flexible layer is arranged on the bottom face of the screen plate, the flexible layer can generate telescopic deformation in the axial direction of the meshes, flexible contact can be achieved, certain buffering deformation can be provided, the hidden crack problem occurring in the glue printing process is solved, glue feeding during printing is facilitated, and the glue printing effect is improved; in addition, a debugging window between the subfissure and the glue printing effect can be widened, the debugging difficulty of field equipment personnel at the initial stage of glue printing process switching is reduced, popularization of the glue printing technology at the mass production end is accelerated, poor glue printing is reduced, and the yield and the productivity of the photovoltaic module are improved.

The invention discloses an AI-based printing success rate judgment method and system. The method comprises the following steps: firstly, collecting real-time data of a printer; then preprocessing the real-time data of the printer to generate feature data used for judging the printing success rate; constructing an initial multi-dimensional feature prediction model for judging a printing success rate, and training the initial multi-dimensional feature prediction model by using historical printing job data to obtain a trained target multi-dimensional feature prediction model; and finally, inputting the feature data into a trained target multi-dimensional feature prediction model, and outputting a success rate prediction result of the printing job. By providing an AI-based target multi-dimensional feature prediction model, the pre-judgment capability of printing faults is improved, printing parameters can be adjusted in real time, the printing process can be optimized, and the printing failure rate can be reduced.

The utility model discloses a photovoltaic cell silk-screen printing device, which relates to the technical field of photovoltaic cell silk-screen printing, and adopts the technical scheme that the photovoltaic cell silk-screen printing device comprises a bottom frame, a placement groove is formed in the top of the bottom frame, a slot is formed in the rear side of the bottom frame, the slot extends into the bottom frame, the slot is formed in the bottom of the placement groove, and a photovoltaic cell body is arranged in the slot. The photovoltaic cell printing device comprises a bottom frame and a printing assembly, the bottom frame is provided with a containing groove, a printing plate is arranged in the containing groove, the top of the bottom frame is provided with two supporting plates, and the bottoms of the two supporting plates are both fixedly connected with two supporting rods. Slurry is uniformly sprayed on one side of the scraping plate through the discharging head, so that the scraping plate can conveniently print a photovoltaic cell body, and meanwhile, redundant slurry can be scraped to one side of the bottom frame and collected through the inclined groove and the collecting frame.

A full-automatic screen printing machine comprises a machine frame, a conveying belt, a gripper bar, a driving device and a printing unit, and further comprises a linkage mechanism which is in transmission connection with the gripper bar and the printing unit and used for being matched with conveying and feeding pieces. The tooth row, the driving device and the printing unit work in sequence; the pair of rotating units are rotationally mounted in the rack; a transmission unit for driving the rotation unit; the linkage unit is used for enabling the pair of rotating units to be in transmission connection with the gripper bar and the printing unit; the push plate is rotationally mounted in the rack; the top end of the push plate is rotationally matched with the annular groove through a rotating shaft and is in transmission fit with the bump through an arc-shaped surface; the L-shaped plate is rotationally mounted in the rack and is rotationally matched with the annular groove through a rotating shaft; the top end of the L-shaped plate is in transmission connection with the printing table top, the bottom end of the L-shaped plate is in transmission connection with the screen frame through a connecting rod assembly, in daily production and life, the two rotating units are driven to rotate through the transmission unit, and the opening and closing states of the gripper bar and the printing unit are sequentially changed through the linkage unit.

A dual-mode biological 3D printing head assembly comprises a bottom plate, an in-place device, a UV curing lamp, a normal-temperature printing head and a thermal printing head are arranged on the bottom plate, and the normal-temperature printing head and the thermal printing head are used for printing high-viscosity materials; the bottom plate is further provided with a plurality of electromagnetic valves and a control circuit board electrically connected with the electromagnetic valves, and the control circuit board is used for spot-jet printing of low-viscosity materials. A nozzle is arranged at the bottom of the electromagnetic valve, and a top inlet is communicated with the low-viscosity charging barrel through a gas path; the low-viscosity charging barrel is sequentially communicated with a proportional valve and an air pump through an air path and is used for extruding and discharging materials to the electromagnetic valve; a heating assembly is arranged outside the thermal printing head and comprises a heat conduction block, a heating rod and a thermocouple are arranged on the heat conduction block, and a heat insulation layer is arranged on the periphery. The utility model further discloses a dual-mode biological 3D printer with the printing head assembly. According to the utility model, high-viscosity materials and low-viscosity materials can be printed at the same time, spot spraying and extrusion are combined, the defect that the low-viscosity materials cannot be printed in a pure pneumatic extrusion mode is overcome, and normal-temperature printing and heating printing can be realized.

The invention relates to the technical field of plastic processing automation equipment, in particular to full-automatic transfer printing and laser etching detection equipment applying a machine vision algorithm, which comprises a conveying device, a feeding device, a transfer printing device, a laser etching device, a vision detection device, a discharging device and a control system, the transfer printing device, the laser etching device and the visual detection device are sequentially installed in the conveying direction of the conveying device, the feeding device places a workpiece on the conveying device, the workpiece sequentially passes through the transfer printing device, the laser etching device and the visual detection device, and therefore printing, laser etching and detection operation of the workpiece is completed. The discharging device is installed at the tail end of the conveying device and used for conducting discharging operation on the operated workpieces. And the control system controls the equipment to operate automatically. In conclusion, by integrating the functions of pad printing, laser etching and automatic detection, automatic production is achieved, the production efficiency is improved, the labor cost is reduced, and meanwhile the stability and consistency of the product quality are ensured.

The utility model relates to a laser coding mechanism for a network transformer, and belongs to the technical field of laser coding equipment. Comprising a machine frame, the machine frame is in a rectangular frame shape, a conveying assembly is installed on the machine frame, a discharging assembly is installed at the position, at one end of the conveying assembly, of the machine frame, a laser carving machine is arranged above the conveying assembly, the laser carving machine is installed on the machine frame in a cross-line mode through an installation frame, and a guide plate is arranged between the laser carving machine and the conveying assembly and fixedly installed on the machine frame. An intermittent feeding assembly is installed on the portion, on one side of the guide plate, of the rack and arranged above the conveying assembly in a cross-line mode. According to the network transformer laser coding mechanism, the manual labor amount is effectively reduced, and the working efficiency of network transformer laser coding is improved.

The invention relates to the technical field of three-dimensional printing control, and particularly discloses a three-dimensional printing method and system based on real-time scanning, and the method comprises the steps: receiving a to-be-printed model, and carrying out the analysis based on the to-be-printed model, and obtaining a task chain table; reading the execution progress of the task chain table in real time, and determining a reference execution speed according to the execution progress; reading sensing data of each sensor, constructing a data field, and dynamically adjusting the reference execution speed according to the data field; wherein each sensor corresponds to one data field; and synchronously adjusting the reading frequency of the sensing data according to the data field. The environment parameters in the printing process are obtained in real time through the multiple sensors, the multiple environment parameters are coupled, the originally set reference speed is adjusted, the set speed can be finely adjusted according to the actual situation, the unchanged printing speed is converted into the dynamically-adaptive printing speed, and the printing process is optimized.

The invention discloses a preparation method of electric field response self-assembly based photocuring 3D printing ink. The preparation method comprises the following steps: (1) mixing a photoinitiator, photosensitive resin and water to obtain a photosensitive resin aqueous solution; (2) uniformly mixing polypeptide or an amino acid derivative with a photosensitive resin aqueous solution to obtain a mixed solution, and performing self-assembly to obtain the electric field response self-assembly based photocuring 3D printing ink, the structural formulas of the polypeptide are shown as formulas (I)-(IV), and the amino acid derivative is shown as a formula (V); the prepared printing ink can be self-assembled to form a certain microstructure (such as a tube, a fiber, a belt, a ball and the like), and under the action of an electric field, structures which are regularly arranged macroscopically and microscopically and have enhanced mechanical properties can be obtained after 3D printing; the structure obtained by curing and forming the ink has excellent mechanical property, good structural stability, fidelity effect and good biocompatibility. # imgabs0 # imgabs1 #

The utility model discloses a flying printing device and a 3D printer, the flying printing device comprises a printing substrate and a laser printing member, and also comprises slide rails, a slide plate, two powder flattening members and two powder spreading members, the slide rails are located at two sides of the printing substrate, the slide plate is slidably connected to the slide rails, and the laser printing member is located between the two powder flattening members and the two powder spreading members. The laser printing component and the powder spreading components are connected to the sliding plate, and the two powder spreading components are located on the two sides of the laser printing component correspondingly and can be located below the powder flattening component. The 3D printer comprises the flying printing device. The laser printing device has the advantages that powder is laid on the printing base plate in the moving process of the powder laying component, meanwhile, the laid powder is melted in the moving process of the laser printing component, powder laying, powder scraping and printing can be achieved at the same time in the back-and-forth moving process of the sliding plate, and the printing efficiency is improved.

The utility model discloses a medicinal aluminum foil printing coater, which comprises a fixed seat, the left side of the top of the fixed seat is fixedly connected with an unwinding device, the left side of the top of the fixed seat is fixedly connected with a printing device on the right side of the unwinding device, and the center of the top of the fixed seat is fixedly connected with a bearing rod. The aluminum foil can be conveniently unwound through the unwinding device, the aluminum foil can be conveniently printed through the printing device, the produced aluminum foil can be conveniently wound through the winding device, the printed aluminum foil can be conveniently coated through the spraying device, and the air suction pipe can be conveniently driven to absorb gas through the air heater. And then hot air is heated through the hot air blower and then discharged through the air outlet pipe and the air outlet head, so that the aluminum foil is conveniently dried, and the situation that the adhesive force of ink printed on the surface of the aluminum foil and protective paint is reduced, and consequently the paint and the ink fall off in the winding process is effectively prevented.

The utility model relates to a vehicle-mounted aromatherapy pendant in the technical field of hanging decoration aromatherapy, which comprises a paper card and a fragrance piece capable of emitting fragrance, a fixing piece with fragrance emitting holes is mounted on the paper card, a cavity for accommodating the fragrance piece is arranged in the fixing piece, and the fragrance piece is detachably mounted in the cavity. According to the aromatherapy pendant, the paper card which is low in cost and convenient to print and cut is adopted as a main body, so that the aromatherapy pendant can be conveniently made into different blessing word labels or cartoons and other patterns, the overall attractiveness is improved, the fixing piece with the fragrance scattering holes is combined, the fragrance piece can slowly release fragrance under the protection of the fixing piece, and the fragrance piece is more attractive. Due to the arrangement of the cavity and the opening, the perfumes can be replaced, disassembled and assembled, the perfumes with different fragrances can be conveniently supplemented and replaced, and through the mode of replacing the perfumes, the service life of the paper card is prolonged, and paper waste is reduced. From the whole view, the vehicle-mounted air purifier is simple in structure, high in practicability and capable of effectively improving the air environment in a vehicle and improving the driving experience.

The invention provides a temperature control coaxial spray head device for biological 3D printing and a photocuring printing method. The device comprises a rack, a coaxial printing nozzle and a UV light curing module. Accurate temperature adjustment of different biological materials is achieved through the temperature control module of the coaxial printing nozzle, it is ensured that the biological materials and biological cells in the materials are printed at the optimal temperature, and the printing efficiency is improved by replacing coaxial printing needles with different lengths and transparent outer needle walls and adjusting the UV photocuring mechanism. The UV light source forms a light spot on the outer side of the outer needle head of the coaxial printing needle head, and biological materials in the outer needle head of the coaxial printing needle head are pre-cured by controlling the power of the UV light source, the position and the size of the light spot, so that printing of a biological scaffold with high precision, multi-material integration, complex geometrical shape, adjustable porosity and gradient and better biocompatibility is met.

The invention relates to a nylon super-bright bark wrinkle fabric and a manufacturing process thereof, and belongs to the technical field of nylon fabrics, the nylon super-bright bark wrinkle fabric comprises a gray cloth layer, a degerming anti-static layer, a warm-keeping layer and an antifouling waterproof layer which are compounded in sequence, the gray cloth layer and the degerming anti-static layer are compounded and connected through a bonding layer, the gray cloth layer adopts nylon 20D gray cloth and the degerming anti-static layer, and the degerming anti-static layer adopts nylon 20D gray cloth. The fabric is a blended fabric formed by blending 50% of anti-static fibers and 50% of degerming fibers, the bonding layer is composed of a plurality of parallel hot melt adhesive films, the warm-keeping layer is formed by spraying a layer of aerogel on the outer portion of the degerming anti-static layer, and the antifouling and waterproof layer is formed by baking the whole fabric after the whole fabric is soaked with a fluoride-free waterproof agent rudoff ECO. The fabric cover has excellent waterproof, antifouling, antibacterial, antistatic, fluff-shedding-resistant and anti-pilling characteristics, has durable gloss, wrinkling style and thermal insulation performance, is very suitable for being used as fabrics of fashionable down jackets, wind coats and jackets, and meets the pursuit of consumers for fashion and quality.

The invention discloses automatic feeding gift box printing equipment which comprises a feeding frame, a first mounting frame fixedly mounted on the upper portion of the feeding frame, a fourth electric push rod fixedly mounted on the upper portion of the first mounting frame, an ink storage box fixedly mounted at the output end of the fourth electric push rod and an ink jet head arranged on the lower portion of the ink storage box in a communicating mode. The processing device comprises a feeding frame, a second mounting frame fixedly mounted on the upper portion of the feeding frame, a processing box fixedly mounted on the upper portion of the second mounting frame, a third mounting frame fixedly mounted on the upper portion of the feeding frame and a processing assembly arranged on the upper portion of the feeding frame, the processing assembly comprises a cleaning mechanism arranged on the upper portion of the feeding frame, and a drying mechanism is arranged on the upper portion of the feeding frame. A fixing mechanism is arranged on the upper portion of the feeding frame. The problems that an existing device cannot clean the upper portion of a gift box, dust and impurities are prone to being attached to the upper portion of the gift box, and the subsequent printing effect is affected are solved.

The utility model relates to a printing gilding press main body for printed product production, which aims to solve the technical problem of low separation efficiency of current hard board gilding printing steps and comprises a gilding press main body, a motor is arranged on one side of the gilding press main body, a transmission component is arranged at one end of an output shaft of the motor, and a gilding wheel is arranged in the middle of the gilding press main body. A rolling wheel is arranged below the gilding wheel, and a conveying belt is arranged at the front end of the gilding machine body. After the motor is started, a paperboard is conveyed to the position between the gold stamping wheel and the rolling wheel under the action of the conveying belt and the propelling wheel, after the paperboard is printed through the gold stamping wheel, the paperboard is evenly cut under the condition that the edge of the cutting block and the edge of the cutting-off groove are staggered, and then the cut paperboard is pushed out through the cutting block during rotation of the rolling wheel. And the paperboard can slide into the storage box along the bearing block, conveying, printing and cutting linkage in the paperboard gilding printing process is facilitated, and the paperboard printing efficiency of the gilding press is improved.

The invention provides a method for downloading a webpage as a pdf. The method comprises the steps that S11, elements needing to be downloaded in an html page are identified, a main downloading area is constructed according to the identification, all the elements needing to be downloaded are put into corresponding modules according to the identification, and modules needing to be downloaded are formed; s12, elements in the module needing to be downloaded are sequentially subjected to initial processing; s13, constructing an element downloading module, inserting the primary processing element into the element downloading module, and then performing reprocessing on the primary processing element; s14, cutting elements which cannot be accommodated in the pdf download page through a cutting algorithm; and S15, generating a canvas object from the cut elements by utilizing html2canvas, inserting the canvas object into a pdf downloading page through a jspdf plug-in, and generating a pdf file for downloading. According to the method and the device, the to-be-downloaded elements of the html are identified and processed through the cutting algorithm, so that the to-be-downloaded elements are accurately cut, and the cut elements can be downloaded into the pdf file capable of being paged on the basis of one-to-one reduction of the webpage.

The utility model discloses an adjustable screen printing machine, which relates to the field of screen printing machines and comprises an operating table, a working bin is arranged on the top wall of the operating table, lifting screws are arranged on the upper side wall and the lower side wall of an inner cavity of the working bin, and a lifting motor is arranged on the top wall of the working bin. According to the scheme, through cooperation of the operation table, the working bin, the lifting screw rod and other devices, the printing silk screen can be conveniently positioned and clamped by the device, the printing silk screens of different sizes can be conveniently positioned and installed, and the practicability of the device can be improved; and through cooperation of the movable screw rod, the movable frame, the electric push rod and other devices, the device can conveniently print materials, printing ink can be conveniently pushed to be evenly spread on the surface of a printing silk screen for printing, and the phenomenon of missing printing is avoided.

The invention provides a dual-curable polyoxazolidinone prepolymer and a resin composition for 3D printing, and particularly relates to the technical field of 3D printing materials. The dual-curable polyoxazolidinone prepolymer is prepared by the following steps: carrying out first reaction on dihydric alcohol and diisocyanate to generate an isocyanate-terminated polyurethane prepolymer; carrying out second reaction on the polyoxazolidinone and epoxy resin to generate polyoxazolidinone with isocyanate at two ends; and finally, carrying out third reaction on the polyoxazolidinone and a sealing agent to obtain the dual-cured polyoxazolidinone prepolymer. And the sealing agent is an aminomethacrylate compound. The polyoxazolidinone prepolymer provided by the invention provides excellent toughness through a polyurethane part synthesized by dihydric alcohol, and photo-thermal dual curing is realized through metacrylic acid ester end capping. The dual-curing mode not only improves the crosslinking density and uniformity, but also significantly enhances the mechanical properties, including strength, toughness and durability, of the material, so that the material can be efficiently cured under illumination or heating conditions to form a uniform three-dimensional network structure.

The utility model discloses a dry expansion device for a fluororubber heat shrink tube. The expansion device for dry expansion of the fluororubber heat shrink tube comprises a vacuum cylinder, a cooling cylinder and a sizing tube, the vacuum cylinder is connected with one end of the cooling cylinder, the sizing pipe is mounted in the vacuum cylinder and the cooling cylinder, and a cleaning mechanism is arranged at one end of the cooling cylinder; the cleaning mechanism comprises a mounting frame mounted at one end of the cooling cylinder, a gear ring is mounted on the mounting frame, and a plurality of cleaning heads are mounted on the inner side of the gear ring. According to the expansion device for dry expansion of the fluororubber heat shrink tube, the vacuum cylinder, the cooling cylinder and the sizing tube are arranged, the cleaning mechanism is installed at an outlet of the heat shrink tube, the driving motor is used for driving the gear ring to drive the cleaning head to rotate, the outer wall of the heat shrink tube is actively cleaned and dehumidified, the outer wall of the heat shrink tube is kept dry and clean, and the service life of the heat shrink tube is prolonged. And subsequent lettering on the pipe wall is facilitated.

The utility model belongs to the technical field of printing devices, and particularly relates to a transfer printing device which comprises a supporting device and a printing device. The product mounting device is arranged on the supporting device; the screen printing device is arranged on one side of the supporting device; the transfer printing device is movably arranged between the screen printing device and the product mounting device and is provided with a screen printing platform; and the elastic transfer printing film assembly is arranged on the silk-screen printing platform. By the adoption of the transfer printing equipment, a pattern can be printed on the elastic transfer printing film assembly, then the elastic transfer printing film assembly is transferred through the transfer printing device, an elastic transfer printing film is fully attached to a product to be printed, the pattern to be printed is transferred to the product to be printed, and the transfer printing equipment is more accurate in printing of special-shaped products or large-curved-surface products; and the printing consistency is better.

The utility model discloses a compression device for plastic product production, which comprises a base, a support plate is arranged on the upper end face of the base, a rotating shaft is rotatably arranged at the upper end of the support plate, one end of the rotating shaft penetrates through the support plate and is provided with a rotating disc, a clamping device is arranged on the outer wall of the rotating disc, and the clamping device is arranged on the outer wall of the rotating disc. A first belt wheel is arranged at the other end of the rotating shaft, a machine base is arranged on the outer wall of the supporting plate, a motor is arranged on the upper end face of the machine base, a second belt wheel is arranged at the output end of the motor, and a belt is arranged on the first belt wheel and the second belt wheel. Therefore, a user can control a motor to enable a second belt wheel to drive a first belt wheel and a rotating disc to rotate, so that the clamping device and the plastic product in the clamping device are turned over, jet printing and machining are conveniently conducted on the two faces of the plastic product, and the production efficiency is improved.

The utility model provides a printing positioning clamp and printing equipment. The printing equipment comprises a printing assembly and the printing positioning clamp. The printing positioning clamp comprises a base and a positioning piece rotationally installed on the base, the positioning piece is used for being sleeved with a to-be-printed piece, and the positioning piece is provided with a circumferential limiting part used for conducting circumferential limiting on the to-be-printed piece. A limiting assembly is arranged between the positioning piece and the base and used for conducting circumferential limiting on the positioning piece every time the positioning piece rotates by a preset angle relative to the base so that the positioning piece can stop rotating. Through the arrangement of the printing positioning clamp, the different circumferential positions of the to-be-printed part can be rapidly printed with scales, the consistency of all sets of scales can be improved, and the precision of the printed scales is guaranteed.

The present invention relates to the technical field of cigarette label printing, specifically to a device and method for efficiently printing the appearance of cigarette box labels, including a main frame, a flattening and pressing mechanism, a first feeding mechanism and a second feeding mechanism, the top of the main frame is fixedly connected to a fixed frame, a lower pressure plate is arranged inside the fixed frame, a hydraulic rod is arranged at the top of the fixed frame, a template is slidably connected to the bottom end of the middle part of the lower pressure plate, a layered guide is fixedly connected to the top end of the middle part of the main frame, a first threaded rod is connected to the middle part of one end of the lower pressure plate through a bearing, and a fixed block is slidably connected to the inside of the receiving groove. The device has a high degree of automation, is very convenient for users, and can achieve two printing effects at one time, thereby improving users' work efficiency, and can also be positioned and fixed during printing, and can also avoid wrinkles or looseness of the packaging paper during printing, thereby improving the quality of printing, and achieving the purpose of cost reduction and gain.

The invention provides a thin-size inductor full-page processing method which comprises the steps that S1, a full-page double-layer coil is prepared and comprises a first face coil, a second face coil and an insulating layer located between the first face coil and the second face coil, and the first face coil and the second face coil are the same in thickness; and S2, magnetic slurry is laid on the first face of the full-page double-layer coil, grinding is conducted after curing is conducted till the full-page thickness is H1, and H1 is equal to A + h1 + h2. And S3, magnetic slurry is laid on the second face of the full-page double-layer coil, grinding is conducted after curing is conducted till the full-page thickness is H2, and H2 is equal to A + (H + h2) / 2. And S4, the first surface is ground again until the thickness of the whole plate is H, and a whole plate inductor body is obtained. Wherein H is the final required thickness of the inductor body, h1 is the thickness of the first surface coil, h2 is the thickness of the double-layer coil insulating layer, and A is greater than (H-h2) / 2. According to the method, the precision requirement for slurry laying is low, and meanwhile it is effectively guaranteed that the thicknesses of magnets covered by the upper coil and the lower coil are consistent.

The invention belongs to the field of 3D printing, and particularly relates to a photocuring hydrogel composition, a photocuring hydrogel composite material and a preparation method. The photocuring hydrogel composition comprises water, a water-soluble compound containing a carbon-carbon double bond, a photoinitiator, titanium dioxide and a dispersing agent, in the photocuring hydrogel composition, the content of water is 47.5 wt% to 48.5 wt%, the content of the water-soluble compound containing the carbon-carbon double bonds is 43.7 wt% to 46.6 wt%, the content of the photoinitiator is 1.9 wt% to 3.9 wt%, the content of the dispersing agent is 0.3 wt% to 0.7 wt%, and the content of the titanium dioxide is 2.7 wt% to 6.3 wt%. The prepared photocuring hydrogel composite material is excellent in mechanical property and high in formaldehyde removal efficiency.

The invention relates to the technical field of thermal transfer carbon ribbons, and discloses a high-efficiency thermal transfer carbon ribbon back coating adhesive and a preparation method thereof. Tetrakis(hydroxymethyl)phosphonium chloride, vinyl trichlorosilane and 2,5-bis(trifluoromethyl)terephthalic acid are used as raw materials to synthesize a diene fluorine-containing caged siloxane monomer, and the monomer is polymerized with pentaerythritol tetraacrylate to form a cross-linked organic silicon acrylic copolymer with a hyperbranched cross-linked network structure, which replaces a traditional organic silicon resin mixture. The copolymer is diluted with a single solvent toluene to avoid the use of a multi-component mixed solvent, greatly reduces VOC emissions, and can be recycled. The carbon ribbon back coating adhesive prepared by the invention has good heat resistance and wear resistance, smooth printing, good bonding performance, can enhance heat conduction and lubrication in a printing process, effectively eliminates the risk of static electricity generated in an actual application process, has a good flame retardant effect, and avoids safety hazards.

This utility model discloses a coffee beverage printing device, including a base. A pressing device is provided on the upper surface of the base and on one side. The pressing device includes a support frame, with both ends of the support frame fixedly connected to the base. A guide roller is rotatably provided on the inner wall of the support frame at its lower end. A lifting frame is movably provided on the upper end of the guide roller. Sliding blocks are provided at both ends of the lifting frame. A sliding groove is correspondingly provided on the inner wall of the support frame. The sliding blocks are slidably installed with the sliding groove. A pressure roller is rotatably provided at the bottom of the lifting frame. A threaded rod is provided on the upper surface of the lifting frame at its middle position. The user can rotate the adjusting nut to move the lifting frame downward through the threaded rod, so that the pressure roller presses the coffee beverage packaging bag on the upper end of the guide roller, facilitating subsequent material feeding and improving the printing effect.