72results about How to "Uniform curing" patented technology

The invention relates to the technical field of metal surface treatment, and discloses sheet metal part spraying and plastic spraying equipment and a technological method.The sheet metal part spraying and plastic spraying equipment comprises a spraying chamber and a conveying mechanism, the spraying chamber is arranged in the middle of the conveying mechanism, and a material distributing plate is installed at the top of the spraying chamber; two spraying mechanisms are arranged on the side, close to the material distributing plate, of the interior of the spraying chamber, a plurality of evenly-distributed spraying guns are arranged in the two spraying mechanisms, an air pressure tank and a conveying pipe are installed on the side, close to the material distributing plate, of each spraying gun, and a pump body is installed on the side, away from the spraying guns, of each conveying pipe; and a paint storage tank is arranged on the rear side of the spraying chamber. The position and the angle of the spraying gun are accurately controlled, and the automatic adjusting device is utilized, so that the spraying gun can be dynamically adjusted according to the surface shape and the size of the sheet metal part, and all corners of a workpiece are uniformly and comprehensively covered with paint.

The utility model relates to the field of UV curing, in particular to UV light source dynamic tracking curing equipment which comprises a curing machine, a swing mechanism is arranged on one side of the curing machine, the swing mechanism comprises a reciprocating guide rod, a long swing arm and a short swing arm, a guide rod sliding groove is formed in the reciprocating guide rod, and the long swing arm and the short swing arm are arranged in the guide rod sliding groove. A connecting rod is arranged at one end, located on the inner side of the guide rod sliding groove, of the long swing arm, a lamp tube mounting frame is connected to the end, located on the inner side of the curing machine, of the connecting rod, an inner guide rail is installed on the outer side, located on the inner side wall of the curing machine, of the lamp tube mounting frame, and lamp tube sleeves are installed on the inner side wall of the lamp tube mounting frame in an array mode. A swing rotating shaft is connected between the middle of the guide rod sliding groove and the curing machine. The long swing arm which swings can slide in the guide rod sliding groove through the connecting rod at the end, the two arranged lamp tube mounting frames swing in a staggered and reciprocating mode in the moving process, and therefore it can be guaranteed that the upper surface and the lower surface of a sectional material are evenly cured, and the forming efficiency is improved.

The invention discloses a mold for core making equipment and a curing method and application of the mold, and belongs to the technical field of core making machine molds. The curing method comprises the following steps that sand shooting forming is conducted, specifically, in the mold closing state, molding sand is shot into a mold cavity from a sand shooting nozzle in a mold body to be used for forming a sand core; and heating and curing are conducted, specifically, a curing medium heated to be in a gaseous state is injected into the cavity through a plurality of air inlet channels, the curing medium makes contact with the peripheral side of the sand core and then is diffused and permeated, the sand core is cured from the periphery of the sand core, and the air inlet ends of the air inlet channels are separated from the sand shooting nozzles. According to the invention, molding sand injected into the mold can be quickly and uniformly attached to the surface of the loose core, and each part of the sand core can be quickly and uniformly cured in a short time, so that the curing speed of large pieces and high pieces is greatly increased, the curing effect and efficiency are improved, the compactness of the sand core can be improved through vibration, and the production efficiency is improved. And the product quality is further improved.

The invention discloses an LCD photocuring 3D printer and a method for improving the resolution of the LCD photocuring 3D printer, the angle of light passing through a pixel opening area of an LCD screen is changed by adjusting the angle of a reflector group, the position of a curing light beam in a printing area (photocuring glue) is further influenced, so that the offset of a pixel image is realized, and when the offset is carried out for n times, the position of the curing light beam in the printing area (photocuring glue) is changed. Compared with the prior art, n times of pixel points are added on the basis of an original image, namely, the resolution ratio of the LCD is expanded in a multiplied mode, the effect of improving the resolution ratio of the LCD photocuring 3D printer in a multiplied mode is achieved, meanwhile, the sufficiency and compactness of an exposure area are improved, and the printing yield is improved.

The invention discloses composite board gluing and pressing equipment, and relates to the technical field of composite board processing, the composite board gluing and pressing equipment comprises a conveying frame body, a baffle plate is fixedly mounted at the top of the conveying frame body, a conveying device is fixedly mounted at the top of the conveying frame body, and a gluing device is fixedly mounted at the top of the conveying frame body; the conveying device is fixedly connected to the top of the conveying frame body, the gluing device is arranged over the conveying device, a guide mechanism is fixedly connected to the discharging end of the conveying frame body, a pushing device is fixedly installed at the top of the conveying frame body and arranged over the guide mechanism, and a pressing device is fixedly installed at one end of the conveying frame body; according to the full-automatic gluing press-fit machine, the gluing process and the press-fit process are integrated together, continuous production is achieved, and the production efficiency and the product quality are improved.

The invention discloses an optical fiber ring ultraviolet curing device and method. The optical fiber ring ultraviolet curing device comprises a box body, a feeding mechanism, a telescopic disc, a limiting driving mechanism, a fiber disc and an ultraviolet light source, the feeding mechanism is fixed on the box body, the telescopic disc is connected with the feeding mechanism, the limiting driving mechanism drives telescopic arms of the telescopic disc to stretch out and draw back, the fiber disc is located on the upper portion of the telescopic disc, and the ultraviolet light sources are fixed on the telescopic arms respectively. An optical fiber is wound on an optical fiber ring framework of a fiber disc, a tail fiber disc is in a ring shape, after the optical fiber ring framework is placed on the fiber disc, a limiting driving mechanism drives an ultraviolet light source to adjust the distance from the ultraviolet light source to the optical fiber ring framework, and a feeding mechanism drives a telescopic disc to enter a shielding cover; the optical fiber curing device is compact in structure, small in occupied space, good in curing effect, high in curing efficiency and safe and reliable to operate.

The invention discloses an underground pipe network ultraviolet curing hose folding repairing method and system, and relates to the repairing technology of plastic pipes, the method comprises the following steps: placing a measuring probe in a to-be-repaired pipeline, collecting circumferential data and axial data of the inner wall of the pipeline, and determining space coordinates of a damage position according to the circumferential data and the axial data; based on the space coordinates of the damage position, the hose is evenly coated with photosensitive resin in the axial direction, and the hose is folded into a U shape through a pressure pump; coating the outer surface of the hose with ultraviolet curing resin, and extracting air in the hose by using a vacuum pump to form a negative pressure state; the hose is conveyed to the to-be-repaired position of the pipe network, compressed air is injected into the hose through an inflation device, and the hose is attached to the inner wall of the pipe network; and the ultraviolet light curing lamp is started to move in the axial direction of the hose, curing treatment is conducted on the ultraviolet light curing resin, and pipe network repairing is completed. Through a series of technical means such as damage position identification, hose folding and resin coating, the underground pipeline repairing precision and efficiency are remarkably improved.

The invention belongs to the technical field of metal packaging tin making, and discloses a laminated iron product prepared from full-solid-content electron beam curing glue. The product comprises the following components in parts by weight: 50-90 parts of polybutadiene polyurethane acrylate, 3-25 parts of organic silicon polyurethane acrylate, 0.1-1.5 parts of an auxiliary agent and 5-15 parts of a polyfunctional group acrylate diluent. The specific preparation method of the product comprises the following steps: S1, preparing process aspect; s2, a coating link; s3, fitting characteristics; s4, curing mode; s5, performance expression; and S6, controlling bond fracture and new bond generation under electron beam irradiation. By the adoption of the full-solid-content gluing technology, the coating is a single-component product, easy and convenient to operate, non-toxic, safe, capable of being coated at the normal temperature or heated to 60 DEG C, free of VOC emission in the whole process, environmentally friendly, capable of saving energy, capable of bringing brand new development opportunities to related industries, representative of a novel curing technology, wide in prospect and worthy of being widely applied.

The utility model discloses a wire and cable cooling device which comprises a box body, a cooling assembly is arranged in the box body, the cooling assembly comprises a supporting plate, a driving motor, a driving bevel gear, a driven bevel gear, a stirring shaft, stirring blades and a guide roller, the supporting plate is fixedly installed at one end of the box body, the driving motor is installed on the supporting plate, and the driving bevel gear is installed on the driving bevel gear. The driving bevel gear is connected to the output end of the driving motor, the driven bevel gear is connected with the driving bevel gear in a meshed mode, the stirring shaft is connected with the driven bevel gear and rotationally connected into the box body, the stirring blades are evenly distributed on the outer side of the stirring shaft, and the guide roller is rotationally connected to the upper end of the interior of the box body. And a drying assembly is arranged in the box body, the drying assembly comprises a connecting rod, a conical rubber water scraping sleeve and a collecting box, and the connecting rod is fixedly installed on the box body, so that the technical problem that an existing device mentioned in the background technology is insufficient in cooling of electric wires and cables is solved.

The utility model discloses a synthetic wood board drying device which comprises a conveying mechanism, a drying chamber is arranged on the conveying mechanism, a steam inlet is formed in one side face of the drying chamber, a steam outlet is formed in the other side face of the drying chamber, a steam channel is arranged inside the inner wall of the drying chamber, and the steam channel is communicated with the drying chamber. A plurality of groups of curing lamps are mounted on the inner side surface of the top of the drying chamber; air is heated through steam, the steam can transfer heat evenly, the air is heated evenly, the problems of local overheating and uneven heating in the electric heating drying process are avoided, and no gas flows substantially in the steam heating drying process, so that a paint surface can be solidified evenly to form a flat and smooth paint surface; when air is heated through steam to dry the wood board, the multiple sets of curing lamps are powered on to light and irradiate the paint surface of the synthetic wood board, photochemical reaction is carried out, curing of the paint surface is accelerated, and the drying efficiency of the synthetic wood board is improved.

The invention relates to a thin film capacitor metal spraying layer strengthening device and process. The device comprises a strengthening box body, a heating baking lamp assembly, an ultraviolet lamp, a round tray, a temperature sensor, a static electricity eliminating device and a box door structure controlled by an air cylinder. And the capacitor roll core is arranged in the through hole of the round tray and is supported by the U-shaped frame. The heating lamp assembly and the ultraviolet lamp are arranged at the two ends of the capacitor roll core respectively, synchronous heating and ultraviolet curing are achieved, and the curing efficiency and uniformity of a metal spraying layer are improved. The temperature sensor is connected with the central control panel, monitors the temperature in the box in real time and automatically adjusts the heating power. The static electricity eliminating device eliminates static electricity through corona discharge between the discharge cone end and the power receiving cone end, and the adhesion quality of the metal spraying layer is improved. The curing process of the metal spraying layer can be accelerated, and the finished product quality and the production efficiency of the thin film capacitor are improved.

The application belongs to the technical field of sand consolidation agent preparation, and particularly relates to a sand consolidation agent and a preparation method thereof. The sand consolidation agent is composed of component A and component B. The component A is composed of the following raw materials: a diphenyl phenolic epoxy resin, hexakis(4-hydroxymethylphenoxy)cyclotriphosphazene, modified nano calcium zirconate, cage octakis(aminophenyl)silsesquioxane, n-butyl glycidyl ether, KH-550 silane coupling agent, polyether amine, fumed silica and defoaming agent. The component B is composed of the following raw materials: polyborosilazane and 2-ethyl-4-methyl imidazole. The cage octakis(aminophenyl)silsesquioxane in the raw material of the sand consolidation agent strengthens the network structure stability through chemical bonding, the hexakis(4-hydroxymethylphenoxy)cyclotriphosphazene realizes thermal stabilization through chemical bonding and physical dispersion, and the modified nano calcium zirconate provides physical support. The three components synergistically improve the heat resistance of the system.

The present invention relates to a novel UV light curing machine, comprising a sliding bracket, a first light source box, a second light source box, a first light shielding plate, a second light shielding plate, a liftable support plate, and a rotatable fixed seat. The bottom of the sliding bracket is fixedly connected to the support seat, and the top of the support seat is fixedly connected to the curing box. The first light source box, the second light source box, the first light shielding plate, and the second light shielding plate can be slid between the sliding brackets to adjust the position. By adjusting the position between the first light source box, the first light shielding plate and the second light source box and the second light shielding plate, the irradiation range inside the curing box can be conveniently adjusted. The first light shielding plate and the second light shielding plate can better play a light shielding protection role for the position that does not need to be cured, thereby facilitating the adjustment of the light shielding position and the irradiation power, and facilitating the curing of special-shaped or complex workpieces that need to be shielded. The liftable support plate and the rotatable fixed seat can be set so that the workpiece can be evenly irradiated, and the gloss after molding is more uniform.

The present invention relates to an anti-aging rock asphalt composite modified asphalt and a preparation method thereof, wherein the rock asphalt composite modified asphalt is calculated by weight, including: 100 parts of base asphalt, 5-20 parts of Iranian rock asphalt, 8-15 parts of asphalt modification additives, 2-4 parts of aromatic oil substances and 1-3 parts of plasticizers; wherein the base asphalt is any one of 70# and 90# base asphalt, and the asphalt modification additive is modified silicone rubber. The present invention prepares an Iranian rock asphalt composite modified asphalt with anti-aging property, and in addition to the base asphalt, Iranian rock asphalt and asphalt modification additives are added to the raw materials, and after composite use, the high and low temperature performance of the Iranian rock asphalt modified asphalt is improved on the one hand, and its anti-aging property is improved on the other hand.

The invention provides a desktop miniature ultraviolet curing device. The desktop miniature ultraviolet curing device comprises a curing box; the curing assembly is arranged on the inner side face of the curing box, the curing assembly comprises a support, a lifting assembly, a shell and an ultraviolet lamp, the lifting assembly is fixedly installed at the bottom of the support, the shell is fixedly installed at the moving end of the lifting assembly, and the ultraviolet lamp is fixedly installed on the inner side face of the shell. The desktop miniature ultraviolet curing device provided by the invention can be overturned by an angle through the coiling assembly, so that not only can an optical fiber wound on the surface of a part be cured in the horizontal direction, but also an optical fiber wound on a cylindrical surface can be cured while rotating in the vertical direction, uniform curing of the optical fiber is ensured, and the influence on the performance of a gyroscope is avoided; meanwhile, the coiling assembly is turned over by 90 degrees, automatic coiling of cylindrical surface optical fiber coiling can be achieved, the working efficiency is improved, and physical exhaustion of workers is reduced.

The present invention provides an optical fiber coating curing device and method, which belongs to the technical field of optical fiber manufacturing. The optical fiber coating curing device includes a reflective tile, which is cylindrical; the axis of the reflective tile is used to place the optical fiber so as to cure the optical fiber coating; an ultraviolet lamp, which is arranged in the reflective area inside the reflective tile; multiple ultraviolet lamps are provided and arranged around the axis of the reflective tile; a bracket, which is arranged in the reflective area inside the reflective tile; and at least two adjustment mechanisms, which are arranged in the reflective area inside the reflective tile; at least two adjustment mechanisms are respectively arranged on both sides of the axis of the reflective tile; ultraviolet lamps are arranged on the adjustment mechanisms, and the adjustment mechanisms are used to adjust the position of the ultraviolet lamps to adjust the ultraviolet intensity at each position of the reflective area. The optical fiber coating curing device provided by the present invention makes the ultraviolet intensity distribution in the area around the optical fiber uniform, reduces the influence of the air inlet and exhaust port on the reflective tile on the ultraviolet intensity, and thus makes the optical fiber coating more uniform during the curing process.

The utility model discloses a kind of mould temperature control structures for multilayer cold storage board foaming solidification, belong to cold storage board production field. Including mould assembly, the mould assembly includes four groups of frame plates, four groups of frame plates form frame structure, and the frame structure is equidistantly spaced apart and provided with partition plate, the partition plate is formed by the spacing formed by separating frame structure and forms cooling space, and multiple groups of cooling space are provided with multiple groups of transverse vertical arrangement and set up pipeline;Temperature control component, temperature control component includes the water inlet portion being set in the side of frame plate, and the side of frame plate is provided with drainage portion opposite the water inlet portion. A kind of mould temperature control structures for multilayer cold storage board foaming solidification of the application, cooling space is divided by partition plate, and pipeline with gap in transverse and longitudinal arrangement is matched with temperature control component water inlet portion flow regulation, realize each space temperature control, guarantee that cold storage board core material is uniformly solidified;Mounting bracket is conveniently fixed, and the device of mould and temperature control component composition can be vertically spaced apart arrangement, and it is adapted to multilayer synchronous temperature control.

The utility model relates to the technical field of water treatment, and provides an air cooling granulator which comprises a machine body, a granulation box is arranged on the outer wall of one end of the machine body, a sealing cover is hinged to the outer wall of the top of the granulation box, a discharging pipe is welded to the outer wall of the bottom of the granulation box, and an air cooling mechanism is arranged on the outer wall of the discharging pipe and the outer wall of the sealing cover. The air cooling mechanism comprises a first nozzle and a second nozzle which are fixedly connected to the outer wall of the top of the sealing cover and the outer wall of one end of the discharging pipe correspondingly. According to the utility model, the main air pipe and the branch air pipes form a parallel air path, and are matched with the first electromagnetic valve and the second electromagnetic valve to supply air accurately in different areas, so that synchronous cooling inside and outside the granulation box is realized, secondary heating of materials during discharging is avoided, and uniform solidification of particles is ensured; the ventilation effect is achieved, meanwhile, particles can be effectively prevented from entering, exhaust of damp and hot air in the box is accelerated through the synergistic effect of the exhaust fan and the inclined baffle, and energy consumption is effectively reduced.

The utility model provides a printing additionally-installed blowing device, and belongs to the technical field of printing additionally-installed blowing, the printing additionally-installed blowing device comprises a ventilation pipeline, an adjustable structure, an air inlet structure, a heating structure and a filtering structure, the adjustable structure is arranged in the right side wall of the ventilation pipeline, and the air inlet structure is arranged on the right side wall of the ventilation pipeline. The adjustable structure comprises a rotating shaft, a sleeve and a wind shield, the rotating shaft penetrates through the right side wall of the ventilation pipeline and is rotationally connected with the ventilation pipeline, the sleeve is arranged on the outer side of the rotating shaft in a sleeving mode, the sleeve and the rotating shaft are coaxially and fixedly connected, the wind shield is arranged on the outer side wall of the sleeve, and the wind shield is arranged on the outer side wall of the sleeve. The wind shield is fixedly connected with the sleeve; the air inlet structure is arranged in the ventilation pipeline; the problem that in the process that the surface paper is glued by a glue machine, the surface paper is not dry after being glued by the glue machine, so that the surface paper is bubbled after being pressed can be solved.

The invention relates to the field of coatings, and specifically discloses an anti-fading packaging box with an antioxidant coating and a preparation process thereof; the preparation process of the anti-fading packaging box comprises the following steps: spraying an antioxidant coating on the surface of the packaging box, drying at room temperature to obtain an antioxidant coating; spraying a cross-linking aid solution; spraying a hydrophobic coating to obtain a hydrophobic coating; heating and curing to obtain an anti-fading packaging box; the antioxidant coating comprises: an epoxy resin, an antioxidant, a curing agent, and a solvent; the cross-linking aid solution is a solution containing a curing agent; the hydrophobic coating comprises: an epoxy resin, a hydrophobic filler, a curing agent, and a solvent; the thickness of the antioxidant coating is 25 to 35 μm; the spraying amount of the cross-linking aid solution is 15 to 20 g / m 2 ; The thickness of the hydrophobic coating is 8 to 12 μm; the room temperature drying time is 1 to 1.5 hours; the curing process is: curing at 80 to 90°C for 2 to 3 hours and curing at 120 to 130°C for 4 to 6 hours.

The application relates to a backlight module structure of a hybrid liquid crystal display screen and relates to the technical field of hybrid liquid crystal display screens. The backlight module structure of the hybrid liquid crystal display screen comprises a storage assembly mounted in an F frame and a slideable guide. The storage assembly and the inner wall of the F frame form a storage groove for pre-storing UV glue, and the UV glue is output through a communicating outlet. The guide is located at a first position when an optical assembly is not assembled, and the outlet is blocked. In the process of inserting and assembling an optical film and an optical diffusion plate, the guide is forced to slide to a second position, so that the outlet is opened, the UV glue flows out and is bonded to the optical film and the diffusion plate. The structure combines sliding control and structural triggering mechanism, is beneficial to realizing automatic bonding, and improves assembly efficiency and connection stability.

The utility model relates to the field of powder coating processing equipment, and particularly discloses a metal powder bonding machine which comprises a cooling machine, the cooling machine comprises an outer-layer kettle body, a water inlet pipe is embedded in the outer-layer kettle body, a first connecting piece fixedly connected with the water inlet pipe is arranged at the end, located in the outer-layer kettle body, of the water inlet pipe, and a fastening opening is formed in the side face of the first connecting piece. A cooling pipe is arranged on the side face of the first annular pipe; a second annular pipe is arranged below the cooling pipe; a second connecting piece fixedly connected with the second annular pipe is arranged on the side face of the second annular pipe; a fastening opening is formed in the side face of the second connecting piece; the water outlet pipe is embedded in the outer-layer kettle body; an inner-layer kettle body is arranged on one side, far away from the outer-layer kettle body, of the second annular pipe; according to the cooling machine, the annular pipeline is adopted, powder coating in the cooling machine is evenly cooled, adhesion of the powder coating at different temperatures is avoided, and the phenomenon that the powder coating is caked is reduced.

The invention relates to the technical field of 3D printing, and discloses a 3D printing drying device and a drying method.The 3D printing drying device comprises a drying mechanism, the drying mechanism further comprises a drying oven, a gas collecting shell is fixedly connected to the bottom of the inner wall of the drying oven, and four connecting frames are fixedly connected to the top of the inner wall of the drying oven; a worker places a model needing to be dried on a placing plate, then a drying oven is started for heating to dry the model, in the drying process, an electric telescopic rod is started to stretch out, an extrusion plate is pushed to extrude gas in a gas collection shell, the gas can be blown out around the model from a gas outlet pipe, heat around each model flows uniformly, the extrusion plate is continuously moved, and the model is dried. Gas extruded by the extrusion plate can be blocked by the gas blocking plate, and the gas can generate high pressure until the extrusion plate pushes the spring connecting plate to rotate and drives the gas blocking plate to rotate, so that the high-pressure gas is sprayed out towards the fan-shaped frame through the gas spraying pipe, the fan-shaped frame rotates to drive the placing plate to rotate, the position of the model is changed, and the whole model is heated uniformly.

The invention discloses an automatic discharging machine for cooler fins after roll coating, and relates to the technical field of automatic discharging machines, the automatic discharging machine comprises a machine box, a conveying mechanism is arranged on one side of the machine box, and fins are arranged at the upper end of the conveying mechanism; a receiving mechanism used for receiving the fins and curing paint on the surfaces of the fins is arranged on the portion, located on one side of the conveying mechanism, in the machine box, an unloading mechanism used for unloading the fins in the receiving mechanism is arranged on the portion, located on one side of the receiving mechanism, in the machine box, and a feeding mechanism is arranged on the portion, located on one side of the receiving mechanism, in the machine box. Hot air can be evenly blown to the bottom surfaces of the fins through guiding of the air guide holes and the arc inclined pieces, sufficient heating and curing of coatings at the bottoms of the fins are guaranteed, on the other hand, the hot air is blown to the upper surfaces of the fins through guiding of the semi-guide pipes and the arc pieces, the arc pieces are located on the two sides of the fins, the hot air can completely cover the upper surfaces of the fins, and therefore the heat dissipation efficiency of the fins is improved. And the curing effect of the coating is further enhanced.

This novel fluorine-including organohydrosilane compound is represented by formula (1), has two or more hydrosilyl groups, has a feature wherein the inter-Si links all comprise silalkylene structures, has good compatibility with base oils, and provides a fluoropolyether-based cured product having good characteristics. (Rf is a monovalent perfluoropolyether group; A is a divalent organic group that may include at least one element selected from O, N, and Si; R is a C1-6 monovalent hydrocarbon group; n is an integer from 1 to 3; each B is a monovalent silicon-including organic group that has two or more diorganohydrosilyl groups when n is 1, independently has one or more diorganohydrosilyl groups when n is 2 or 3, and forms a silalkylene structure with the silicon atom linked thereto; and y is 1 or 2.)

The invention discloses a pouring and sealing mold for a traveling wave tube, a mold preparation method and a pouring and sealing method. The pouring and sealing mold comprises a mold base body and a film layer structure. The mold base body is of a hollow tubular structure, an inner cavity of the mold base body is an encapsulation channel, one end of the mold base body is connected with a traveling wave tube in an inserted mode, and the other end of the mold base body is a material injection end. At least one opening hole is formed in the pipe wall of the mold base body, the opening hole is communicated with the filling and sealing channel, and the film layer structure covers the opening hole; the film layer structure can allow water vapor and air to pass through and enter the potting channel, so that water molecules act on the potting material in the potting channel, and the curing speed and uniformity of the potting material are improved. The pouring mold is improved on the basis of an original pouring mold, the problem of low-voltage discharge in the using process of the traveling wave tube is solved, the performance and the service life of the traveling wave tube are guaranteed, the influence of the low-voltage discharge phenomenon on the service continuity of a satellite load system is avoided, and the reliability of the satellite load system is improved.

This utility model discloses a 3D printing additive manufacturing equipment, which includes a control power supply and a pneumatic control device. The core structure also includes: a lifting plate connected to a lifting drive mechanism; an ultraviolet lamp irradiation module mounted on the lifting plate and having an adjustable light direction ultraviolet lamp assembly; a dispensing module mounted on the ultraviolet lamp bracket, with the dispensing end surrounded by the ultraviolet lamp assembly and the air inlet end connected to the pneumatic control device; a positive power supply connection block sleeved on the dispensing end of the dispensing module and connected to the positive terminal of the control power supply; and a dispensing platform located below the dispensing module, with a metal negative pressure plate at the top and connected to the negative terminal of the control power supply. In addition, a heating module is provided outside the dispensing module, and the lifting drive mechanism adopts a double guide rail and lead screw nut assembly to ensure accuracy. This equipment is based on electrohydrodynamics (EHD) technology and drives dispensing through "electric field + air pressure", which has non-contact printing characteristics, high printing accuracy and stability, and is suitable for processing complex display screen structures.

The dryer comprises a drying box, a control panel is installed in the middle of one end of the drying box, draught fans are embedded in the middle of the top end and the middle of the bottom end of the drying box, openings are formed in the bottoms of the two sides of the drying box, and the openings are communicated with the control panel. Lifting doors are mounted on the side walls, above the openings, of the drying box, and a temperature sensor is mounted on one side of the interior of the drying box. According to the dryer for the pipes subjected to anti-corrosion treatment, hot air systems composed of the mounting plates, the drying lamps, the fans and the heating nets are arranged at the top end and the bottom end in the drying box, hot air drying is conducted on the pipes while the drying lamps conduct baking and curing, so that an anti-corrosion coating is cured more rapidly, and the production efficiency is improved; the temperature sensor can detect the real-time temperature in the drying box and transmit the real-time temperature to the control panel, the control panel can control the drying lamp, the heating net and the draught fan to be turned on or turned off, and the temperature in the curing chamber can be conveniently controlled.

The invention relates to the technical field of automation equipment, and discloses a center shaft transmission supporting structure and a numerical control machine tool. The rotating motor is fixedly arranged in the mounting cavity; the middle shaft is rotationally arranged in the mounting cavity through a radial bearing, one end of the middle shaft is in transmission connection with the output end of the rotating motor, and the other end of the middle shaft is in transmission connection with the main shaft; and the positioning glue pouring sleeve is fixedly arranged on the periphery of the radial bearing in a sleeving mode, a glue pouring gap is formed between the periphery of the positioning glue pouring sleeve and the inner wall of the installation cavity, and an adhesive layer is arranged in the glue pouring gap and used for bonding the positioning glue pouring sleeve and the inner wall of the installation cavity. According to the center shaft transmission supporting structure, the radial movement of the center shaft can be greatly reduced, and the machining stability and precision are improved.

This invention discloses a ternary synergistic gradient structure kitchen wall paint coating of phosphate ester-graphene-photocatalytic titanium dioxide, its preparation method, the prepared coating, and the coating preparation method. The coating includes a bottom strong adhesion layer, a middle high hardness layer, and a surface self-cleaning layer. The bottom strong adhesion layer coating includes an epoxy-acrylic hybrid emulsion, γ-glycidyl etheroxypropyltrimethoxysilane, phosphate ester monomer, dispersant, defoamer, film-forming aid, and deionized water. The middle high hardness layer coating includes an organosilicon grafted modified acrylic emulsion, hydroxyl functionalized graphene nanosheets, nano-α-Al2O3, dispersant, defoamer, film-forming aid, and deionized water. The surface self-cleaning layer coating includes a fluorinated acrylate copolymer, perfluorodecylsilane modified nano-SiO2, nano-TiO2, leveling agent, defoamer, film-forming aid, and deionized water. The coating prepared using this coating has advantages such as strong adhesion, high hardness, impact resistance, long-lasting anti-oil fume effect, self-cleaning, and environmental friendliness.