71results about How to "Guarantee coating quality" patented technology

The invention discloses a super-wear-resistant super-hydrophobic coating in the technical field of coatings, the super-wear-resistant super-hydrophobic coating comprises a primer and a finishing coat, the primer comprises solvent-free aliphatic polyether polyol resin, micro-powder particles, di-tetratoluene diisocynate, fumed silica nanoparticles and a primer magnetic attraction material; the finishing paint comprises hydrophobic nanoparticles, a diluent, a finishing paint magnetic attraction material and a hydrophobic treatment agent, the primer magnetic attraction material is ferrite powder, and the finishing paint magnetic attraction material is nickel powder. The preparation method comprises the following steps: 1, preparing the primer; secondly, primer is sprayed; step 3, roughening the primer; 4, finish paint is manufactured; step 5, spraying finish paint; and step 6, detecting the performance of the coating. The preparation method is scientific and reasonable, the uniformity and stability of the coating in the preparation and coating process are ensured by optimizing the composition of the coating material, improving the preparation process and introducing a magnetic suction device, and therefore the wear resistance, hydrophobicity and adhesive force of the coating are improved.

The invention provides a batch straight pipe outer wall spraying device with a water-based paint recycling function. The batch straight pipe outer wall spraying device comprises a sealed cabin, a spraying mechanism, a drying mechanism, a liquid supply mechanism, a recycling mechanism and a numerical control module. The spraying mechanism and the recycling mechanism are both arranged in the sealed cabin, and the recycling mechanism communicates with the spraying mechanism; the spraying mechanism comprises a spraying rod and a centrifugal roller, a to-be-sprayed pipe fitting is installed in the spraying direction of the spraying rod through pipe fitting fixing assemblies, and the pipe fitting fixing assemblies are distributed on the inner wall of the centrifugal roller in an arc shape; the drying mechanism is used for drying a to-be-sprayed pipe fitting, and the liquid supply mechanism is connected with the spraying mechanism and the recycling mechanism; the numerical control module is in signal connection with each mechanism; by means of the spraying mechanism, the drying mechanism and the recycling mechanism, the spraying, recycling and drying integrated function is achieved, the pipe fittings are subjected to batch high-quality spraying, meanwhile, coating recycling is achieved, the situation that the surrounding environment is polluted due to the fact that the coating escapes is prevented, and the production efficiency is greatly improved.

The invention relates to the field of automobile engineering, in particular to a method for bonding a spring clamp and rubber, which comprises the following steps: surface treatment: cleaning the surface of a clamp metal plate, and polishing the surface of the clamp metal plate to be bonded with the rubber; glue coating is conducted, specifically, glue and a vulcanizing agent are dropwise added to the center of the clamp metal plate, a coating disc is driven to rotate through a driving assembly until the whole coating disc is full of the glue and the vulcanizing agent, operation of the driving assembly is stopped, and the conveying mechanism conveys the clamp metal plate coated with the glue to the rubber vulcanization position; rubber is bonded to the surface of the clamp metal plate and compacted, and then the rubber is fed into vulcanization equipment to be subjected to rubber vulcanization treatment; and cooling and curing: cooling and curing the fixture metal plate subjected to the rubber vulcanization treatment to complete the bonding of the steel plate spring fixture and the rubber. According to the bonding method, the surface of the clamp metal plate can be coated with the glue and the vulcanizing agent more simply, conveniently, efficiently and accurately, and the bonding quality is improved.

The utility model relates to the technical field of glass coating, and provides a rapid glass coating device which comprises a conveying mechanism, a coating mechanism, a cleaning mechanism, a drying mechanism, a spray head, a brush mechanism, a water retaining curtain, a water scraper and a water circulating device. By means of the technical scheme, the glass cleaning effect is improved, and therefore the coating quality is guaranteed.

The invention discloses electrostatic spraying coating equipment, and relates to the technical field of electrostatic spraying, the electrostatic spraying coating equipment comprises an equipment main body, a first placing rack and a second placing rack are fixedly connected to the side wall of the equipment main body, a connecting pipe is wound on the first placing rack, and a spray gun is fixedly connected to the end part of the connecting pipe; a fixing rod is fixedly connected to the side wall of the spray gun, a guide groove is formed in the fixing rod, a guide rod is slidably connected into the guide groove in a sleeved mode, and a fixing block is fixedly connected to the bottom face of the guide rod. The coating quality is guaranteed, the requirement for coating personnel is lowered, meanwhile, the optimal distance between the spray gun and the workpiece can be automatically adjusted according to the size of the workpiece, spraying can be conducted without manual measurement, time and labor are saved, spraying efficiency is guaranteed, and the distance can be kept through the guide rod.

The utility model provides an air volume adjusting device of a coating machine, relates to the technical field of auxiliary processing devices of coating machines, and aims to solve the problems that the conventional air volume adjusting structure is complicated, can only adjust the blowing air volume, cannot adaptively adjust the whole mechanism of an air bellow, is poor in structural flexibility and cannot meet the air volume required by different coating qualities. Comprising a rack, a coating roller is rotatably connected in the rack, a base is fixedly connected to the right side of the rack, a support is slidably connected in the base, an air bellow is fixedly connected to the lower portion of the support, a sliding groove is formed in the base, the support is slidably arranged in the sliding groove, an air cylinder is further fixedly connected in the sliding groove, and the air cylinder is fixedly connected to the right side of the rack. A sliding rod is connected into the air cylinder in a sliding mode, and the sliding rod is fixedly connected with the support.

The utility model relates to the technical field of seeding machines, and discloses a novel film mulching seeding machine which comprises a machine frame, the front side of the bottom of the machine frame is fixedly connected with a speed-changing gear box, the output end of the front side of the speed-changing gear box is fixedly connected with a stubble cleaning roller, and the output end of the rear side of the speed-changing gear box is fixedly connected with a soil throwing wheel. Land wheels are rotationally connected to the two sides of the bottom of the machine frame, a film mulching assembly is arranged on the rear side of the machine frame and comprises two first supports, the two first supports penetrate through and are rotationally connected with the two sides of the top of the rear side of the machine frame, and the other ends of the first supports are rotationally connected with film mulching rollers. According to the stubble cleaning device, the gear box drives the stubble cleaning roller to rotate, the stubble cleaning roller throws soil backwards to the soil throwing wheel after loosening the soil, the soil throwing wheel rotates reversely to throw the soil from the stubble cleaning roller backwards at a high speed, the soil flows out of the soil flowing groove and falls on the film edge of a mulching film to press the mulching film, a soil shoveling chain is omitted, the device is prevented from being stuck by stones, and the working efficiency is guaranteed.

The utility model discloses a circuit board coating curing oven which comprises a curing oven body, a processing device is arranged in the curing oven body and comprises a flowing bin, a spraying head, a filter plate and a storage bin, the filter plate is arranged below the curing oven body, the storage bin is installed at the bottom end of the filter plate, the spraying head is installed in the curing oven body, and the top end of the curing oven body is connected with a connecting device. The connecting device comprises a conveying pipe, a movable block, a clamping mechanism, an inserting pipe, a sealing gasket, a clamping groove, a rubber ring, a rotating frame, a sliding rod, a spring, a sliding block, a positioning groove, a sliding groove, a rotating sleeve and a limiting plate, the movable block is arranged on one side of the rotating sleeve, the sealing gasket is installed in the inserting pipe, the rubber ring is matched with the clamping groove, and the rotating frame is arranged on the outer side of the rotating frame. The sliding rod is installed on the inner side of the rotating frame, the spring is installed in the rotating sleeve, one end of the sliding block is connected with the spring, the positioning grooves are formed in the two ends of the sliding groove, the limiting plates are arranged on the two sides of the rotating frame, and the sealing device is arranged on one side of the curing oven.

The invention discloses an antistatic oil-resistant conveyor belt, which relates to the technical field of conveyor belts, and comprises a conveyor belt body arranged on a bottom plate, and a repairing mechanism arranged on the bottom plate and used for repairing an electrostatic coating and an oil-resistant anti-corrosion coating on the surface of the conveyor belt body after being scratched and rubbed, the repairing mechanism comprises a U-shaped plate arranged between the conveying belt body and the bottom plate, the bottom plate is provided with a moving assembly used for moving the U-shaped plate, a repairing box is arranged between the two opposite ends of the U-shaped plate, and a repairing roller is connected into the repairing box through a rotating shaft. According to the anti-static oil-resistant type conveying belt, through the arrangement of the repairing mechanism, the static coating and the oil-resistant anti-corrosion coating, damaged by scraping and friction, of the conveying belt body are repaired, and therefore the long-term effect of the oil corrosion resistance and the anti-static performance of the conveying belt body is improved.

The invention relates to the technical field of graphite boats, in particular to a method for prolonging the service life of a graphite boat, which comprises the following steps: S1, cleaning and drying the graphite boat and a silicon wafer to be coated with a film by using a pickling solution and a cleaning solution, and S2, cleaning the silicon wafer to be coated with the film by using a tubular PECVD (Plasma Enhanced Chemical Vapor Deposition) device under the conditions that the furnace temperature is 430-480 DEG C, the radio frequency current is 8-12A, the voltage is 400-420V and the power is 1.5-2.7 kW. And sequentially plating three layers of silicon films on the silicon wafer by adopting a plasma enhanced chemical vapor deposition method. When the graphite boat is cleaned, dried and coated, hydrofluoric acid is used as a pickling solution, low radio-frequency current is realized, the graphite boat adopts a round sticking point shape with a large contact area with a silicon wafer, and three layers of silicon films are sequentially coated on the silicon wafer by using a plasma enhanced chemical vapor deposition method; the problems that the coating color uniformity is poor, and the thickness of the surface film of the silicon wafer is not uniform are solved, the silicon wafer coating quality is remarkably improved, and the service life of the graphite boat is prolonged.

The utility model discloses a coating machine with a cooling structure, which comprises a coating machine frame, a transmission motor arranged on the coating machine frame, a driving shaft movably arranged at one end of the coating machine frame and connected with the transmission motor, a driven shaft movably arranged on the coating machine frame, and a conveyor belt sleeved on the driving shaft and the driven shaft, a scraper assembly and an air cooling assembly are mounted on the coating machine rack; a heat dissipation block is further installed on the coating machine rack, the heat dissipation block and the air cooling assembly are both located between the transmission motor and the scraper assembly, and the heat dissipation block and the air cooling assembly are both used for cooling coating which does not pass through the scraper assembly. According to the utility model, the temperature rising speed of the coating can be reduced, so that the solidification speed of the coating is further reduced, and the coating quality and the product quality are ensured.

The utility model discloses a kind of angle-adjustable coating machine spray cooling device, more specifically relates to coating equipment technical field, including two mounting seats, between two mounting seats is provided with spray pipe, the surface of spray pipe is throughly provided with multiple connecting pipes, the side of mounting seat is provided with adjusting mechanism, adjusting mechanism includes the rotary groove opened in the inside of one mounting seat, rotary groove is rotatably provided with swivel ring, the side of swivel ring is fixedly connected with spray pipe surface, swivel ring surface is fixedly provided with connecting ring, the side of connecting ring is fixedly provided with handle, the surface of connecting ring is fixedly provided with connecting strip. The utility model is accurately controlled spray pipe angle by adjusting mechanism, realize the adaptation of cooling range and intensity, and it is convenient to disassemble to spray head, simultaneously, the spray head of different spray range is adapted, and the adaptability of device to diversification production demand is improved.

The utility model discloses a PCB film coating device, and relates to the technical field of circuit board processing. The device comprises a rack, conveying rollers are rotationally arranged at the two ends of the rack, a conveying belt is wound around the two conveying rollers in a transmission mode, and two rubber strips are arranged on the conveying face of the conveying belt; a box body with an opening in the bottom is arranged at one end of the machine frame through a connecting block, a flat nozzle and a dust collecting shell are arranged on the opposite sides of the inner wall of the box body respectively, a fan is arranged on the top of the box body, and an air outlet and an air inlet of the fan are communicated with an air outlet pipe and an air inlet pipe respectively. The free ends of the air outlet pipe and the air inlet pipe are respectively communicated with the flat nozzle and the dust collecting shell; according to the device, firstly, pressurized air flow is used for blowing the surface of a circuit board, attached dust is blown away, suction extraction is conducted after blowing away, the dust removal effect is better, two rubber strips are arranged on a conveying belt, the circuit board is elastically clamped and limited, the circuit board cannot move during blowing or extraction, and the dust removal efficiency is improved. And the subsequent film covering quality is ensured.

The utility model discloses a high-speed lamination machine which comprises a lamination table, a diaphragm laminating mechanism, a pole piece conveying mechanism I, a pole piece conveying mechanism II and a blanking carrying mechanism, the first pole piece conveying mechanism is arranged on the left side or the right side of the lamination table, the second pole piece conveying mechanism is arranged in front of or behind the lamination table, and the first pole piece conveying mechanism and the second pole piece conveying mechanism are arranged beside the lamination table in a right-angle mode; the discharging and carrying mechanism is arranged beside the lamination table; the first pole piece conveying mechanism and the second pole piece conveying mechanism are arranged on a side disc of the lamination table in a right-angle mode, so that the lamination table does not need to move, the stability of diaphragm tension is guaranteed, the film covering quality of diaphragms is guaranteed, the arrangement number of the mechanisms is reduced, faults are reduced, meanwhile, the continuity of lamination processing is improved, and the production efficiency is improved. The production efficiency is improved, and the overall size of the high-speed lamination machine can be greatly reduced through the arrangement of the mechanism.

The invention discloses a large-size substrate evaporation alignment bending amount adjusting device which comprises a mask plate placing base, a glass substrate, a contact back plate and a magnetic plate, a mask plate frame is arranged in the middle of the top of the mask plate placing base, the glass substrate, the contact back plate and the magnetic plate are sequentially arranged above the mask plate frame, and in addition, the glass substrate, the contact back plate and the magnetic plate are sequentially arranged on the mask plate frame. And the glass substrate is covered above the mask on the mask frame. The adjusting device disclosed by the invention can provide a certain supporting force for the contact back plate to counteract partial weight of the contact back plate and the magnetic plate, so that the pressure gravity borne by the mask placing base is reduced; according to the invention, the situation that a pixel area on the glass substrate shifts due to deviation of alignment and lamination of the mask and the glass substrate and poor color mixing of the surface of a product due to film coating deviation caused by deformation of the mask placing base due to excessive pressure gravity is avoided, and the alignment and lamination precision of the mask and the glass substrate is improved; and the coating quality of the product is ensured.

The present invention discloses a precision seeder with integrated film covering function, which comprises a frame, on which a soil collecting mechanism, a film covering mechanism and a sowing mechanism arranged front and back are installed; the soil collecting mechanism is connected to a soil conveying mechanism, and the soil conveying mechanism comprises a main conveying channel and a diverging structure arranged at the rear side of the main conveying channel; the soil collecting mechanism comprises a first augers and a second augers arranged front and back; three groups of sowing mechanisms distributed left and right are installed on the frame; the diverging structure comprises a soil throwing pipeline from the main conveying channel to the front side of each sowing mechanism, and also comprises a soil throwing guide groove from the main conveying channel to the rear side of the sowing mechanism; the number of the soil throwing guide grooves is two, which comprises a main groove passing through two adjacent sowing mechanisms and two bifurcated grooves located at the rear side of the main groove. The present invention can ensure the quality of film covering and sowing.

The invention belongs to the technical field of stealth materials, and particularly discloses a temperature-resistant resin-based radar wave-absorbing coating and a design method and application thereof, and the design method comprises the following steps: 1) constructing a formula database according to component data of a wave-absorbing material; 2) screening components of the wave-absorbing coating in the wave-absorbing material database according to service index requirements; 3) designing an orthogonal test, and determining the optimal ratio of the wave-absorbing coating to obtain a formula; 4) acquiring thermal expansion data of the base material to be coated; 5) preparing the wave-absorbing coating according to the formula, and judging whether the thermal expansion coefficient needs to be adjusted so as to determine the structure of the wave-absorbing coating; and (6) finally, through performance testing, whether the designed wave-absorbing coating structure and formula meet service index requirements or not is determined. The optimal proportion is determined through scientific material selection and orthogonal test design, the test amount is greatly reduced, the efficiency is improved, the coating can be well matched with the base material, the requirements for wave absorption and high temperature resistance are completely met, and the coating can be used in multiple fields.

The utility model relates to a hand-pulling type film laminating device, and belongs to the technical field of film laminating tools. The cross rod is of a hollow structure, internal threaded holes are formed in the two ends of the cross rod, one end of the L-shaped force arm is telescopically connected to the end of the cross rod in a sleeved mode, the L-shaped force arm is connected with the internal threaded holes in the end of the cross rod through the adjusting screw rod, the conical barrel is installed on the inner side of the bottom end of the L-shaped force arm, and the bottom end of the pull rod is fixedly installed on the cross rod. The telescopic sleeve rod is slidably arranged in the sleeve in a penetrating mode, the sleeve and the telescopic sleeve rod are limited and fixed through a limiting pin shaft, and a pressing block for fixing a film roller is fixed to the bottom end of the telescopic sleeve rod; the distance between the conical barrels can be changed by adjusting the adjusting screw rod, clamping of the film roller is facilitated, the film roller can be easily pulled through the pull rod, film mulching is facilitated, after a mulching film is pulled open, the telescopic sleeve rod is operated to press the pressing block on the film roller, rotation of the film roller can be avoided, the pull rod can be pulled to tension the mulching film, it is guaranteed that the mulching film is flat after soil covering, and the film mulching quality is guaranteed; the working efficiency is improved, and the labor intensity is reduced.

The invention relates to the technical field of photo film covering, and discloses an automatic photo picture film covering device which comprises a first fixing frame, a quick dismounting assembly, a connecting assembly, a film covering roller, a guiding assembly and a conveying assembly. The quick dismounting assembly comprises a fixing rod, a sliding block, a bidirectional lead screw, a forward and reverse motor, a connecting block and a limiting block; and a first groove is formed in the fixing rod, the connecting assembly comprises a lower film roller mounting base, an upper film roller mounting base and an inserting block, and a first limiting hole is formed in the inserting block. By arranging the quick dismounting assembly, the connecting assembly and other structures, when a new film roll or film rolls with different visual effects need to be replaced, the film roll can be quickly replaced, an operator does not need to find a tool or dismount multiple sets of bolt structures with the help of the tool in the process, the non-value-added time in the production process is shortened in the process, and the production efficiency is improved. Furthermore, the film laminating efficiency is improved, and the mounting coaxiality and stability of the film laminating roller can be ensured.

The invention belongs to the technical field of semiconductors, and discloses a coating device and method for sealing adjustment of wafers in a plurality of reaction units, and the coating device comprises a transmission cavity, a plurality of reaction cavities and two transfer sealing cavities. The transmission cavity comprises two transfer pieces, and the two transfer pieces can work at the same time to transfer different wafers; the number of the reaction cavities is larger than or equal to 3 and smaller than or equal to 8, the reaction cavities are used for deposition reaction of wafers in the reaction cavities, the multiple reaction cavities are connected with the transmission cavity, and the two transfer pieces can be in butt joint with the multiple reaction cavities to take and place the wafers; the two transfer sealing cavities are respectively connected with the transmission cavity, each transfer sealing cavity comprises a transfer assembly, each transfer assembly comprises a driving mechanism and a rotating mechanism, the driving mechanisms can drive the rotating mechanisms to rotate, and the rotating mechanisms are used for bearing wafers and driving the wafers to horizontally rotate; the two transfer pieces can be in butt joint with the two transfer sealing cavities to take and place the wafers, and the deposition efficiency is improved.

The invention relates to the technical field of coating equipment, in particular to coating equipment for film packaging materials, which comprises a device body and a coating roller arranged on the device body, a coating box is arranged on the device body and below the coating roller, and the inner bottom wall of the coating box is of a wavy structure with two concave sides and a convex middle part. A relatively thin inner side coating layer is pre-coated on the surface of the film through the driving mechanism I, and the two ends of the elastic bent plate are driven to be jacked up respectively, so that the inner side coating layers with staggered thicknesses are pre-coated on the surface of the film, and the coating roller and the back roller on the other side are matched to further thicken and coat the film; the thickened coating can be interspersed with the previously pre-coated inner coating layer to form a coating layer with strong cohesive force on the surface of the film, the coating equipment adopts a multi-stage coating mode, the purpose of coating a thicker coating layer is achieved, bubbles possibly reserved in the coating layer can be extruded while an interference liquid bridge is avoided, and the coating effect is improved. And the coating quality of the film packaging material is ensured.

The invention discloses an automatic liquid supply system in a coating process and a control method thereof, and belongs to the technical field of coating. Comprising an intelligent control unit, a liquid storage unit, a conveying unit, a filtering unit, a flow control unit and a pressure control unit, the conveying unit is arranged between the liquid storage unit and the filtering unit, the filtering unit is arranged between the conveying unit and the flow control unit, and the flow control unit is arranged between the filtering unit and the pressure control unit. The pressure control unit is arranged between the flow control unit and the discharge port, and the liquid storage unit, the conveying unit, the filtering unit, the flow control unit and the pressure control unit are all in communication connection with the intelligent control unit. According to the automatic liquid supply system, the efficiency and the quality of a coating process can be remarkably improved, the uniformity and the accuracy of a coating are ensured, and the requirement of a high-precision coating process is met.

The utility model relates to thin film deposition equipment. The thin film deposition equipment comprises a body part, a rotating part and a carrier, the body part is provided with a reaction cavity; the rotating part comprises a driving part and a rotating part, the rotating part comprises a shaft part and a rotary table, the rotary table is located in the reaction cavity, one end of the shaft part is connected with the rotary table, the other end of the shaft part extends out of the reaction cavity and is connected with the driving part, and the driving part can drive the shaft part to drive the rotary table to rotate; the carrier is placed on the rotary table and can rotate along with the rotary table; the rotating piece is further provided with a cleaning cavity, the outer wall of the cleaning cavity is further provided with a purging hole, and the outer end of the shaft part is further provided with a purging inlet communicating with the cleaning cavity. According to the thin film deposition equipment, the cleanliness of the interior of the thin film deposition equipment can be improved, the substrate coating quality and efficiency are guaranteed, and the influence of dust cleaning on the production efficiency is reduced.

The invention relates to the technical field of coating devices, in particular to a double-coating-head coating machine. The coating device comprises a frame, a conveying mechanism, a coating mechanism, a drying mechanism and a discharging mechanism, the coating mechanism comprises a workbench, a supporting frame, a first die head, a second die head, a pre-coating assembly and a switching assembly. By arranging the pre-coating assembly, it is guaranteed that coating liquid is evenly distributed at the end of the coating head, and therefore the coating quality is guaranteed. According to the coating machine, the first die head and the second die head are arranged and are in a vertical distribution state, so that the overall size of the coating machine is reduced, the first die head and the second die head alternately complete coating in the coating process through the switching assembly, the pre-coating work of the other coating head is completed in the process of returning after one-time coating is completed, and the coating efficiency is improved. By arranging the recovery tank, the scraper and the sealing strip, the coating liquid on the surface of the first pre-coating roller or the second pre-coating roller is scraped into the recovery tank, and the second die head or the first die head is pre-coated, so that the waste of the coating liquid is avoided.

The utility model discloses a laminating machine pressing structure which comprises a box body, a first cavity is formed in the box body, an eccentric wheel is arranged at the top end of the first cavity, a connecting rod is rotationally connected to the eccentric wheel, a lifting part is rotationally connected to the bottom end of the connecting rod, a fixing part is arranged at the bottom end of the first cavity, and the fixing part is connected with the two side walls of the first cavity through supporting parts. A movable groove used in cooperation with the lifting part and the connecting rod is formed in the fixing part, the lifting part penetrates through the movable groove, a frame with a downward opening is arranged at the bottom end of the lifting part, a plurality of pressing rollers are arranged in the frame, bearing blocks are connected to the middles of the front end and the rear end of each pressing roller through bearings, and the bearing blocks are connected with the frame through limiting structures. The film laminating machine has the advantages that the lifting part is lifted by the eccentric wheel, so that the film laminating machine can conveniently adapt to different thicknesses, and the film laminating quality is improved; and the press-fit roller which is quickly assembled and fixed through a limiting structure is designed, so that maintenance and cleaning are facilitated.

The utility model discloses a powder feeding mechanism used for meltallizing, which comprises a plasma generator used for generating plasma flame flow and a powder feeding pipeline used for spraying yttrium oxide powder to a nozzle of the plasma generator, and the powder feeding pipeline comprises a powder feeding needle tube, an adjusting tube and a powder feeding hose which are connected in sequence. The front end of the powder feeding needle tube extends to one side of a nozzle of the plasma generator, and the adjusting tube can move back and forth and is used for adjusting the distance between the powder feeding needle tube and the nozzle of the plasma generator, and can rotate and is used for adjusting the angle between the powder feeding needle tube and the nozzle of the plasma generator. On the basis that the main body structure of the powder feeding pipeline is not changed, the distance and the angle of the powder feeding needle tube relative to the nozzle of the plasma generator can be adjusted by utilizing a simpler structure, so that the coating quality and the service life of a workpiece are ensured.

The utility model relates to ECU controller shell processing technical field discloses a surface treatment equipment for ECU controller shell processing, including electrophoresis tank main part, the inside bottom end sliding connection of electrophoresis tank main part has the scraper, the lateral surface of scraper is equipped with arc flow guide groove, the inside fixed mounting of scraper has check valve no.

This utility model relates to an automatic feeding device for a circuit board coating machine, including a coating device; the coating device is internally equipped with a feeding roller for automatically feeding circuit board substrates; hydraulic devices are fixedly connected to both sides of the coating device in a symmetrical arrangement, and the free end of the hydraulic devices is fixedly connected to a vertically arranged positioning top plate for positioning the circuit board substrate; a blocking mechanism for blocking the circuit board during the feeding process is also installed at the bottom of the coating device. Compared with the prior art, the beneficial effects of this utility model are: by setting a blocking mechanism below the feeding roller, when blocking the circuit board, a series of transmissions make the blocking plate vertically arranged to block the circuit board, and when separating from the circuit board, the blocking plate rotates towards the side of the circuit board that is moving. This method avoids descending and contacting the circuit board, which would cause it to tilt, thus ensuring stable feeding of the circuit board and ensuring its coating quality.