78results about How to "Improve coating uniformity" patented technology

The invention discloses composite powder with a core-shell structure and a preparation method of the composite powder. The preparation method comprises the steps of pretreatment, titanium dioxide coating treatment, plating solution treatment and silver coating treatment. The titanium dioxide coating treatment comprises the following steps: after ultrasonically stirring butyl titanate and absolute ethyl alcohol, adding dilute acid to prepare a reaction solution; nickel powder is added into the reaction liquid for a constant-temperature reaction, and titanium dioxide coated nickel powder is obtained after the reaction; the plating solution treatment comprises the steps that titanium dioxide coated nickel powder, a solvent and a dispersing agent are subjected to ultrasonic stirring and then subjected to constant-temperature stirring, a reducing agent and a sodium hydroxide solution are added, and a dispersed solution is obtained after reaction; the silver coating treatment comprises the following steps: ultrasonically stirring and dispersing silver nitrate and deionized water, and then adding a complexing agent for complexing reaction; and pouring into the dispersion solution under a stirring state, and reacting to obtain the composite powder. According to the method, the stability of the nickel powder and the compactness of the coating layer in the preparation process of the composite powder can be effectively improved, and then the conductivity of the composite powder can be improved.

The invention provides a graphite composite material, a preparation method thereof and a secondary battery, and relates to the technical field of lithium ion battery negative electrode materials. The graphite composite material comprises an inner core and a shell layer, the inner core comprises metal element doped metal oxide and graphite, the metal element doped metal oxide is embedded between sheet layers of the graphite, the shell layer comprises multi-walled carbon nanotubes and amorphous carbon, and the multi-walled carbon nanotubes are distributed in the amorphous carbon in a 3D net shape. According to the invention, by introducing the doping element, the lithium intercalation active sites of the metal oxide are increased, so that the lithium storage performance of the graphite composite material is improved; through the construction of a core-shell and intercalation structure, the volume expansion of the metal oxide is inhibited, so that the cycling stability of the graphite composite material is improved.

The invention discloses low-VOC (volatile organic compound) formula waterborne polyurethane industrial paint and a preparation method thereof, and relates to the field of paint. The waterborne polyurethane industrial paint with the low VOC formula is prepared from a waterborne polyurethane emulsion, fluoride-based nanoparticles, aliphatic isocyanate, a self-repairing polymer, carbon nanotubes, silane quaternary ammonium salt, a photosensitive curing agent, indium tin oxide, polydimethylsiloxane, zinc pyrithione, polyether siloxane and ammonium tripolyphosphate. According to the waterborne polyurethane industrial paint, the waterborne polyurethane emulsion, the self-repairing polymer, the carbon nanotubes, the indium tin oxide, the aliphatic isocyanate, the polyether siloxane and the like are combined, and the waterborne polyurethane industrial paint is low in VOC, excellent in wear resistance, weather resistance, static resistance and self-repairing performance, environmentally friendly, safe, wide in application prospect and suitable for popularization and application. And lasting protection and attractive effects can be provided for the industrial environment, and meanwhile the convenience of operation and maintenance is improved.

The utility model discloses a printed circuit board (PCB) solder paste printing machine which comprises a machine frame. The steel mesh assembly comprises a frame, a first steel mesh, a first driving part and a second steel mesh, a first annular groove and a second annular groove which are arranged in parallel are formed in the inner wall of the frame, the edge of the first steel mesh extends into the first annular groove, a first guide rod is further arranged on the first steel mesh, and a piston rod of the first driving part is connected with the first guide rod; the edge of the second steel mesh extends into the second steel mesh; the tin scraping assembly is correspondingly arranged above the steel mesh assembly; and the PCB clamp assembly comprises a jacking driving piece and a jacking platform, and the circuit board to be subjected to tin brushing is placed on the jacking platform. Compared with the prior art, the solder paste printing machine solves the problem that the efficiency is low when an existing solder paste printing machine prints more than one circuit board.

The invention relates to a phosphorylated bacterial cellulose coating material, a preparation method and a water-based zinc battery negative electrode, bacterial cellulose is modified by ammonium dihydrogen phosphate and urea to obtain phosphorylated bacterial cellulose, the phosphorylated bacterial cellulose is added with water for dispersion and then dispensed on the surface of a zinc negative electrode, and after drying, the surface of the zinc negative electrode is modified with a phosphorylated bacterial cellulose coating. A layer of organic zinc phosphate can be generated at the junction of the coating and the zinc negative electrode to separate electrolyte from the zinc negative electrode, and meanwhile, phosphorylated fibers have stronger interaction with water molecules, so that the electrolyte can be locked. Therefore, the hydrogen evolution reaction on the surface of the zinc negative electrode and the generation of byproducts are effectively inhibited, the corrosion resistance of the water-based zinc ion battery is enhanced, and the shelf life of the battery is prolonged. Meanwhile, the deposition behavior of zinc ions can be effectively regulated and controlled by the fine network structure of the bacterial cellulose and phosphate groups on the fibers, so that the generation of zinc dendrites is inhibited, and the long cycle life of the water-based zinc ion battery is effectively prolonged.

The invention relates to the technical field of lubricants, in particular to a low-osmotic-pressure hyaluronic acid lubricant and a preparation method thereof. The low-osmotic-pressure hyaluronic acid lubricant disclosed by the invention is prepared from the following materials in parts by weight: 88.35 to 92.97 parts of purified water, 4 to 6 parts of modified polyvinyl alcohol, 2 to 5 parts of 1, 2-propylene glycol, 0.1 to 1 part of sodium hyaluronate, 0.01 to 0.1 part of aloe extract, 0.01 to 0.1 part of snail stock solution, 0.01 to 0.1 part of herba centellae extract, 0.05 to 0.06 part of phenoxyethanol, 0.45 to 0.55 part of ethylhexylglycerin and 0.01 to 0.03 part of lactic acid. The lubricant obtained by the preparation method disclosed by the invention can effectively improve the lubricating property and prolong the service life; by means of accurately controlling the dosage and proportion of each component, optimizing the preparation process and the like, multiple advantages of low osmotic pressure, moisturizing and lubrication, skin friendliness, stability, safety and the like are realized, the requirements of different crowds can be met, and comfortable use experience is provided.

The invention discloses a high-temperature wear-resistant self-lubricating boron-doped diamond coating as well as a preparation method and application thereof, and belongs to the technical field of coating materials. The boron-doped diamond coating comprises a Cr base layer, a CrxByCz gradient transition layer and a B-DLC functional layer which are deposited on the surface of a substrate, the thickness of the Cr base layer is 0.15 [mu] m-0. 25 [mu] m, and the mass percent of Cr is 99.5%-99.99%; the thickness of the CrxByCz gradient transition layer is 0.05-0.10 [mu] m, the mass percentage of Cr is greater than 0 and less than or equal to 99.99%, and the mass percentage of B is greater than 0 and less than or equal to 8%; the thickness of the B-DLC functional layer is 0.8 mu m-2. 0mu m, and the mass percent of B is 3%-5%. The boron-doped diamond coating has the characteristics of high hardness, high toughness and low friction at the same time, and can show excellent self-lubrication and wear resistance in a high-temperature atmospheric environment of 400-500 DEG C.

The invention provides a method for preparing a lithium iron phosphate material, and belongs to the technical field of lithium ion battery positive electrode materials. According to the method, the Fe element in the industrial iron-containing waste liquid is converted through a microbiological method, then enrichment is conducted through humic acid, the enrichment efficiency is high, and uniformity is good; the microbe-enriched iron complex is used as an iron source and a reducing agent, and the carbon coating uniformity is improved through two-step sintering, so that high magnification and high low-temperature retention rate are realized.

The application relates to the field of semiconductor process equipment, in particular to a device for large-capacity liquid medicine storage of semiconductor equipment and a liquid medicine supply system. The device comprises a liquid storage tank provided with a liquid storage cavity, the upper portion of the liquid storage cavity is provided with a cleaning cavity in fluid communication with the liquid storage cavity; the internal volume of the cleaning cavity is smaller than that of the liquid storage cavity; a liquid inlet pipe is arranged to introduce liquid medicine into the liquid storage cavity of the liquid storage tank from the outside; a liquid outlet pipe is arranged at the bottom of the liquid storage cavity and connects the liquid storage cavity of the liquid storage tank to a liquid source; a waste pipe is arranged at the top of the cleaning cavity to discharge the liquid medicine bubbles in the cleaning cavity; and a vent pipe is arranged to connect the cleaning cavity of the liquid storage tank with the outside to keep the air pressure in the cleaning cavity of the liquid storage tank consistent with the ambient air pressure. The application improves the separation efficiency of large-capacity liquid medicine and gas, reduces the probability of generating bubbles in the liquid medicine, improves the uniformity of wafer surface coating, and can meet the high-integration equipment layout.

The invention discloses a liquid-phase coated graphite negative electrode material, a preparation method thereof and a lithium ion battery, and the preparation method of the liquid-phase coated graphite negative electrode material comprises the following steps: adding asphalt into an organic solvent, and fully mixing to obtain an asphalt solution; and adding artificial graphite into the asphalt solution, fully mixing, heating, vacuumizing to remove the organic solvent, and carbonizing to obtain the liquid-phase coated graphite negative electrode material. According to the liquid-phase coated graphite negative electrode material, the preparation method thereof and the lithium ion battery provided by the invention, the fast-charging type graphite negative electrode material is prepared by a liquid-phase coating method, high capacity and excellent cycle performance are considered at the same time, and the liquid-phase coated graphite negative electrode material has remarkable practical value in the aspects of increasing high-energy density and high-rate charge and discharge requirements.

The utility model provides an electrophoresis tank for electrophoretic coating, which comprises an electrode stand and a baffle plate for forming a tank body, a stirring device is arranged on the baffle plate, and the stirring device comprises a motor serving as a driving element, a connecting plate connected to the power end of the motor and a stirring piece arranged on the connecting plate. According to the electrophoresis tank for electrophoretic coating, the electrophoresis tank is formed by enclosing the baffle plates capable of relatively moving on the electrode stand, and the stirring device is arranged on the baffle plates, so that on one hand, the stirring device can be conveniently maintained when the baffle plates are directly taken down, and on the other hand, different stirring devices can be flexibly replaced to be adaptive to the electrode stand; the stirring structure composed of the stirring shaft, the mounting frame and the blades is arranged to conduct stirring in the electrophoresis tank in a revolution and rotation synchronous mode, paint in the electrophoresis tank can be stirred, suspended and evenly distributed, and the coating uniformity of follow-up electrophoretic coating is improved.

The invention relates to a silicon-based negative electrode material based on metal oxide coating and preparation and application thereof, and a preparation method of the material comprises the following steps: S1, putting a silicon-based material into a solvent for ultrasonic dispersion to obtain a uniform suspension; s2, adding a metal oxide precursor into the suspension obtained in S1, and carrying out hydrolysis or condensation reaction to generate a continuous metal oxide coating layer on the surface of the silicon-based material in situ; and S3, after the reaction is finished, centrifugally separating, washing and drying the obtained product to obtain the silicon-based negative electrode material, namely a target product. Compared with the prior art, the method provided by the invention is simple in process, low in cost and good in repeatability, and the obtained coated silicon material has excellent structural stability and electrochemical performance and has a wide application prospect in high-energy-density lithium ion batteries and all-solid-state batteries.

The invention discloses plasma vacuum coating equipment for particle coating treatment, which comprises a vacuum cavity, a process gas transmission and distribution system, a particle bearing and fluidizing device, a magnetron sputtering cathode and an electromagnetic coil, a separator is arranged in the vacuum cavity, and the separator defines a vacuum coating area in the vacuum cavity; the particle bearing and fluidizing device comprises a bearing disc with a porous structure, and the bearing disc is communicated with the process gas transmission and distribution system; the magnetron sputtering cathode is arranged above the vacuum coating area; and the electromagnetic coil is arranged outside the isolation piece in a surrounding mode in the circumferential direction. According to the invention, the process gas necessary for coating can be utilized to raise the particles to be coated and enable the particles to suspend in the vacuum coating area, and the process gas continuously blows and stirs the particles in the sputter coating process, so that the coating uniformity of the particles can be improved.

The utility model discloses coating equipment for plastic furniture processing, which comprises a coating box, the left side of the coating box is provided with an air inlet hole in a penetrating manner, the top surface of the coating box is fixedly connected with a bracket, the inner wall of the coating box is fixedly connected with a fixed frame, the back surface of the fixed frame is fixedly connected with a fan cover, and the air outlet end of the fan cover is fixedly connected with an air pipe; furniture is placed on the bearing mechanism by opening the door opening and closing assembly, the spraying assembly is started to drive paint to be sprayed to the furniture for coating work, the bearing mechanism is started to drive the furniture to rotate to improve the coating uniformity, and the fan is started to suck and circulate external air through the air pipe, the fan cover, the fixing frame and the air inlet hole to improve the air drying efficiency. And coating powder in the air is adsorbed and filtered through the filtering mechanism, so that the aims of conveniently improving the coating air drying efficiency and reducing coating pollution are achieved, and the problems that due to the fact that existing coating equipment is low in natural coating air drying efficiency and the coating powder flies around, environment pollution is caused, and human health is harmed are solved.

The utility model discloses a vacuum sputtering device for efficiently and uniformly depositing a copper film, which relates to the technical field of film plating machines and comprises a master console, an electronic control device arranged in the master console, a film plating box arranged in the middle of the top surface of the master console, a box door hinged to the front end surface of the film plating box, a film plating mechanism arranged in the film plating box, and a connecting structure arranged between the film plating box and the box door. The coating mechanism comprises an adjusting assembly, an anode assembly, a cathode assembly and a magnetic control assembly; according to the utility model, through the matching of the adjusting assembly and the cathode assembly, the distance between the electrodes can be freely adjusted, so that the coating uniformity is ensured, the coating uniformity is improved, and the uniform coating capability is realized; through cooperation of the cathode assembly and the magnetic control assembly, the sputtering direction of the plasma can be restrained to the maximum degree, so that the coating efficiency is improved, and the efficient coating capacity is achieved; and finally, the problem of low coating quality caused by improper electrode distance or serious plasma dissipation during coating of the existing equipment is solved.

This invention discloses a multi-level carbon-coated ternary composite material and its preparation method, comprising the following steps: S1: Nanoscale wet grinding of single-crystal NCM and expanded graphite, allowing NCM to be inserted between the expanded graphite layers, followed by drying to obtain mixture 1; S2: Mixing mixture 1 from S1 with medium-temperature pitch to obtain mixture 2; S3: Low-temperature sintering of mixture 2 obtained in S2, followed by crushing to obtain the multi-level carbon-coated ternary composite material. This invention embeds single-crystal NCM into the expanded graphite layers through grinding, improving the electronic conductivity of NCM and enhancing rate performance. The expanded graphite adapts to the volume expansion of single-crystal NCM during charge and discharge, maintaining close contact between materials, thereby improving cycle life. The secondary coating of the material with low-softening-point medium-temperature pitch further reduces the contact area between single-crystal NCM and the electrolyte, improving cycle stability. The medium-temperature pitch can complete carbonization at a lower temperature, avoiding the collapse of the NCM structure during high-temperature carbonization.

The present disclosure describes a batch coating apparatus (1) and a batch coating method for improving uniformity, which comprises a fixing mechanism (11), a liquid holding mechanism (12), a liquid injection mechanism (13) and a control device (14), wherein the fixing mechanism (11) has a plurality of fixing portions (111) for fixing work-pieces (2) to be coated, the liquid holding mechanism (12) has a plurality of liquid tanks (121) arranged side by side and with the same shape for containing a coating liquid, the liquid injection mechanism (13) has a liquid storage portion (131) for containing the coating liquid and an infusion portion (132) connected to the liquid storage portion (131) for supplying the coating liquid, the control device (14) controls the relative movement between the liquid injection mechanism (13) and the liquid holding mechanism (12) so that the infusion portion (132) is aligned with the liquid tanks (121) and controls the infusion portion (132) to supply a predetermined volume of coating liquid into the liquid tanks (121); and the control device (14) controls the relative movement between the liquid holding mechanism (12) and the fixing mechanism (11) so that the work-pieces (2) to be coated fixed to the fixing mechanism (11) are immersed into the coating liquid in the liquid tank and left from the coating liquid in the liquid tank, thereby forming a coating film on the work-piece to be coated. According to the present disclosure, it is possible to provide a batch coating apparatus (1) and a batch coating method capable of improving uniformity.

The invention relates to the technical field of material pretreatment, and provides anti-hardening granule coating equipment which comprises a first mixer, a second mixer, a transfer bin, a coating agent injection unit and an anti-adhesion powder injection unit, the first mixer comprises a first mixing tank and a first stirring mechanism, and the first mixing tank communicates with a feeding pipe; the second mixer comprises a second mixing tank and a second stirring mechanism, and the first mixing tank is communicated with a discharging pipe; the transfer bin is communicated between the first mixing tank and the second mixing tank; the coating agent injection unit comprises a liquid agent box and a spraying assembly, the spraying assembly comprises a feeding pipe and a coating nozzle communicated with the feeding pipe, one end of the feeding pipe is communicated with the liquid agent box, and one end of the coating nozzle is located in the first mixing tank; the anti-adhesion powder injection unit comprises a powder bin, a material conveying mechanism and a powder sprayer, the powder sprayer comprises a material spraying connector, and the material spraying connector communicates with the transfer material bin. According to the invention, the coating uniformity of the surfaces of the granules can be improved.

The invention discloses a method for preparing a lithium ion battery negative electrode material from high-sulfur coke, which comprises the following steps of: firstly, coarsely crushing the high-sulfur coke, mixing the high-sulfur coke with reducing metal powder, and performing low-temperature calcination in a methane atmosphere to perform desulfurization reaction; then demagnetizing, crushing, grading and graphitizing the calcined reaction product; and finally, fusing the graphitized product by using a modifier, and carbonizing to obtain the lithium ion battery negative electrode material prepared from the high-sulfur coke. According to the method, the desulfurization rate of the petroleum coke can be effectively improved, the sulfur content in the high-sulfur petroleum coke can be remarkably reduced, and defects caused by removal of organic components in the raw material coke can be repaired to a certain extent, so that a more regular graphite layered structure can be obtained through a graphitization process; the material is modified and coated by adopting a fusion process, and better coating uniformity is provided for the product, so that the lithium ion battery negative electrode material obtained after the precursor D is fused and modified has excellent electrochemical performance.

The utility model belongs to the technical field of cable production, and discloses a high-voltage cable graphite coating device which comprises a base. Two charging barrel units which are coaxially placed are fixed on the base, the charging barrel units are horizontally placed, and cavities for storing graphite slurry are formed in the charging barrel units; vertically upward grouting pipes are fixed to the tops of the charging barrel units, storage barrels for storing graphite slurry are fixed to the upper ends of the two grouting pipes, cavities in the charging barrel units are in through connection with the interiors of the storage barrels through the grouting pipes, and stirring mechanisms for stirring the graphite slurry are arranged in the storage barrels; through the arrangement of the two grouting pipes, graphite slurry in the material storage barrel continuously flows into the two charging barrel units, so that the graphite slurry in the two charging barrel units is always in a full state, the requirement of frequent shutdown for slurry supplementation is reduced, meanwhile, the phenomenon that the peripheral wall of the upper end of a cable is missed to be coated due to insufficient slurry is effectively avoided, and the service life of the cable is prolonged. And the uniformity and integrity of the graphite coating are ensured.

The application provides a metal pipe inner wall rust inhibitor AI spraying track planning method and system based on visual guidance, relates to the field of industrial automatic spraying technology, and the method comprises the following steps: acquiring original sequence images of a metal pipe inner wall collected by an endoscopic visual probe, performing optical distortion correction and multi-view point cloud space registration on the original sequence images to obtain an inner wall three-dimensional topological grid; extracting node coordinates and surface normal vectors of the inner wall three-dimensional topological grid, and calculating local curvature gradient distribution of the node coordinates and the surface normal vectors; performing threshold segmentation and feature boundary extraction on the local curvature gradient distribution to obtain a geometric feature partition graph of the spatial range of the thread groove bottom, the windward surface of the reinforcing rib and the weld reinforcement area. The application improves the uniformity of the coating and the protection reliability.

The invention discloses a semiconductor device and a forming method thereof. The method comprises the following steps: forming a substrate; performing through hole etching on the substrate by adopting a first etching depth to obtain a blind hole; performing pit etching on the substrate by adopting a second etching depth, and performing complementary etching on the blind hole at the same time to obtain a pit and a through hole, the through hole being located in the pit; and forming an isolation material lamination layer on the substrate, wherein the isolation material lamination layer covers the surface of the substrate, the bottom surface and the side wall surface of the pit, and the side wall surface of the through hole. The process limitation can be effectively reduced, the production cost is reduced, and the production efficiency is improved.

This invention relates to the use of a PET double-sided copper foil composite material in the fabrication of 224Gbps or 448Gbps high-speed communication cables. The PET double-sided copper foil composite material comprises a PET base film and a first copper foil layer and a second copper foil layer respectively disposed on both sides of the PET base film. This type of composite material was originally used as a conductive current collector in batteries; this invention adapts it for the field of high-speed communication cables, allowing it to serve as a covering layer, shielding layer, conductive connection layer, or grounding connection layer in 224G or 448G high-speed communication cables. A continuous shielding and grounding path is formed through overlaps, exposed copper foil connection areas, drain lines, grounding conductors, connection terminals, or shielding shells to improve electromagnetic shielding continuity, reduce crosstalk and external electromagnetic interference, and improve impedance stability, insertion loss stability, and shielding reliability after bending. This application differs from its use as a carrier of active materials for battery electrodes and as a current collector for battery charging and discharging; it addresses the issues of shielding, covering, conductive connection, and signal integrity in high-speed signal transmission environments.

The utility model discloses a surface anticorrosive coating coating device for processing an iron outfitting piece, which relates to the technical field of iron outfitting piece processing equipment and comprises a dip dyeing box, an auxiliary box, a placing box and a connecting hole. According to the dip dyeing device, the auxiliary box and the placing box are moved upwards, the iron outfitting piece to be coated is placed in the placing box, then the auxiliary box and the placing box are adjusted to move downwards, the auxiliary box and the placing box drive the iron outfitting piece to enter anti-corrosion paint in the dip dyeing box, meanwhile, the placing box rotates, and the iron outfitting piece is placed in the dip dyeing box. The steel outfitting piece is in rotary contact with the anticorrosive paint, so that the coating uniformity of the anticorrosive paint on the surface of the steel outfitting piece can be effectively improved; after anti-corrosion coating is completed, the adjustable auxiliary box and the placement box move upwards, the placement box moves out of the anti-corrosion coating while rotating, the throwing effect on the redundant anti-corrosion coating is better, the anti-corrosion coating can be effectively saved, and the production cost is reduced; and the placing box can drive the iron outfitting piece to move to the top of the dip dyeing box, so that the iron outfitting piece in the placing box is more convenient to take.

The present invention relates to a coating device with a flow distribution structure, comprising a coating die head, wherein the coating die head has an upper template and a lower template, and at least two levels of coating chambers connected to each other are arranged between the upper template and the lower template, wherein the first coating chamber is connected to a feed port located in the middle of the feed side, and the discharge coating chamber is located on the upper side of the lower template and is connected to a row of coating film area channels toward the discharge end. The coating device can reduce the adjustment frequency and amplitude of the flow block and the push-pull rod, which is very beneficial to the coating process of the new coating die head, and can greatly reduce the waste of resources and time.

The invention belongs to the technical field of semiconductor wafer manufacturing, and discloses a source coating method which comprises the following steps: providing a wafer; cleaning and spin-drying the wafer and then placing the wafer in a tray; carrying out ultrasonic atomization treatment on the liquid source to atomize the liquid source into micron-sized liquid drops; and introducing current-carrying gas, and pushing the liquid drops to be deposited on the wafer by the current-carrying gas. According to the source coating method, the liquid source is atomized into the micron-sized liquid drops through the ultrasonic atomization treatment, and then the liquid drops are deposited on the wafer through the current-carrying gas, so that the coating uniformity is effectively improved; manual coating is not needed, and the automation degree of coating is also improved; therefore, the problem of hair falling of the brush or the writing brush is avoided and the reduction of the wafer yield is avoided.

The invention relates to a coating device which comprises an equipment body with a spraying cavity and a substrate carrier used for bearing a substrate to be coated, an overhaul opening communicated with the spraying cavity is formed in the top wall of the equipment body, the substrate carrier is arranged in the spraying cavity, and the substrate carrier is constructed to be capable of moving out of the spraying cavity through the overhaul opening. Wherein the inner side wall of the spraying chamber comprises a plurality of mounting surfaces, the plurality of mounting surfaces are sequentially and adjacently arranged around a first axis which is parallel to the bottom wall of the spraying chamber and points to the top wall, the plurality of mounting surfaces comprise a first mounting surface and a plurality of second mounting surfaces, the first mounting surface is provided with a material conveying opening communicated with the spraying chamber, and the second mounting surfaces are provided with functional part groups; the substrate carrier is arranged to be capable of entering and exiting the spraying cavity from the material conveying opening. The film coating device has better film coating uniformity while having better maintenance convenience, and is convenient to be compatible with other equipment.

The application discloses a battery piece coating device. The device comprises a coating workbench, a hollow area matched with the size of the battery piece is arranged on the coating workbench; a battery piece bearing platform matched with the size of the hollow area and capable of being embedded into the hollow area is used for bearing the battery piece; a coating assembly is used for performing the operation of coating the photosensitive glue on the battery piece; a driving assembly is connected with the battery piece bearing platform and used for moving the battery piece bearing platform to a preset coating position of the hollow area to bear the battery piece to be coated and moving the battery piece bearing platform to a discharging position of the battery piece after the coating of the battery piece is completed. The battery piece coating device provided by the application does not need to perform vacuum adsorption on the battery piece during coating, thereby avoiding the problem that the thickness of the photosensitive glue coated on the adsorption position and the non-adsorption position is different due to the vacuum adsorption of the battery piece, and the coating uniformity of the battery piece is improved.

The invention relates to the field of optical films, in particular to a zinc sulfide coating material and an optical film prepared from the same. Comprising the following steps: the zinc sulfide coating material comprises nano molybdenum-doped zinc sulfide; the preparation method comprises the following steps: 1, sequentially adding zinc salt, molybdenum salt, thiourea, diethanol amine and 3, 6-diaminocarbazole into ethylene glycol, and uniformly mixing to obtain a reaction solution; and 2, carrying out a solvothermal reaction on the reaction solution at 120-150 DEG C in a nitrogen atmosphere for 5-10 hours, washing, and drying to obtain the nano molybdenum-doped zinc sulfide. According to the scheme, molybdenum-doped zinc sulfide is utilized, and the magnetic effect is enhanced under the condition that molybdenum doping does not change the crystal form of the molybdenum-doped zinc sulfide; therefore, in the optical film preparation process, the orderliness of the zinc sulfide crystal face is improved through the arrangement of the magnetic field, and the transparency of the optical film is improved.

The invention provides a coating equipment workpiece conveying system and vacuum coating equipment applying the coating equipment workpiece conveying system, and the coating equipment workpiece conveying system comprises a conveying device which is used for driving a bracket to move close to or away from a coating station; the bottom of the workpiece frame is rotatably mounted on the bracket, and a plurality of workpiece hanging structures are arranged on the peripheral side of the workpiece frame at intervals; the alignment structure is arranged at the top or the bottom of the workpiece frame; the lifting device is arranged above or below the film coating station and is used for driving the butt-joint piece to do lifting motion, so that the butt-joint piece is in butt joint with or separated from the alignment structure; and the rotating device is used for driving the butt-joint piece to rotate so as to drive the workpiece frame to rotate relative to the bracket when the butt-joint piece is in butt joint with the alignment structure. The bracket and the workpiece frame are always connected into a whole in the whole conveying and coating process without lifting the workpiece frame, so that the workpiece frame and the bracket are always kept in accurate positioning; the bottom of the workpiece frame is connected with the bracket through the bearing, so that the workpiece frame and the bracket are driven by the butt joint piece to synchronously and stably rotate around a fixed axis, and the coating uniformity is improved.