867results about "Abrasive feeders" patented technology

The invention discloses an anti-corrosion coating method for a steel structure, belongs to the technical field of metal anti-corrosion coating, and solves the problems of reduced anti-corrosion effect and short maintenance period caused by incomplete pretreatment, insufficient coating adhesive force and poor complex environment adaptability in the existing anti-corrosion coating process for the steel structure. According to the technical scheme, the method is characterized by comprising the steps that the surface of the steel structure is pretreated through chemical oil removal, sand blasting and acid pickling and phosphating; epoxy zinc-rich primer, epoxy micaceous iron oxide intermediate paint and polyurethane finish paint are sequentially sprayed, and plasma treatment is introduced in the coating of each layer so as to enhance the interface bonding force of the coating; the uniformity and the corrosion resistance of the coating are optimized by regulating and controlling spraying parameters, plasma processing power and a gas ratio; and finally, a gradient heating curing process is adopted, so that the compactness and durability of the coating are ensured. The method is mainly used for long-term anti-corrosion protection of steel structures such as bridges and buildings, and the anti-corrosion performance and the service life in a complex environment can be remarkably improved.

The invention provides a method for sand blasting and paint removal through a shell medium, and belongs to the field of coating treatment.The method comprises the steps that the type of the shell medium is determined, shells are wild mountain shell peach shells, the shells are smashed and screened to obtain shell particles with the preset size, and the shell particles are loaded into a press-in type sand blasting machine; determining process parameters of sand blasting paint removal, and removing paint on the surface of the part according to the process parameters; different paint removers are selected for softening the paint-removed surface according to different materials, and after a paint layer is softened, the paint removing coating and the paint removers are used; the distance between a press-in type sand blasting machine nozzle filled with the shell particles and the paint removal surface is kept at a preset distance, and the nozzle is uniformly moved to blow off a paint layer on the surface of the part; and after paint removal is completed, shell particles remaining on the surfaces, gaps and small holes of the parts are blown away through compressed air.

The invention relates to the technical field of advanced manufacturing, in particular to a controllable distribution control system for shot blasting, which has the advantages that the processing uniformity is improved, so that the shot distribution standard deviation is reduced to 0.03 mm from 0.15 mm of the traditional process, the surface roughness Ra value is reduced by 30%, the process stability is improved, the equipment comprehensive efficiency (OEE) is improved to 92% from 65%, the residual stress fluctuation range is reduced by 50%, the intelligent level is broken through, and the product quality is improved. The process programming of a new workpiece is completed within 20 minutes, the remodeling time is shortened by 80%, the model training time is shortened by 40%, and the energy consumption is reduced: the processing energy consumption of a single piece is reduced by 18% and the carbon emission is reduced by 15% through parameter optimization.

The invention relates to a water jet attitude detection and calibration device and method, and relates to the technical field of water-guided laser processing and high-pressure water jet cutting. The water jet attitude detection and calibration device comprises an angle adjusting device for adjusting the angle of a processing head; the detection module comprises two groups of correlation type photoelectric sensors, two correlation type photoelectric sensors are longitudinally distributed in each group, one group emits linear light along the X axis of the machine tool, and the other group emits linear light along the Y axis of the machine tool; when the correlation type photoelectric sensor detects that the light intensity reaches a preset light intensity threshold value, a signal is sent out; the value range of the light intensity threshold value is 60%-90% of the initial light intensity; the position adjusting device enables the water jet to pass through two machine tool Y-axis light along the machine tool X-axis and enables the water jet to pass through two machine tool X-axis linear light along the machine tool Y-axis. The correlation type photoelectric sensor is used for replacing the combination of a CCD camera and a sharp mechanical structure, the reaction is more sensitive, the detection efficiency and the detection precision are higher, and the water jet attitude calibration device is suitable for multiple times of rapid water jet attitude calibration under the long-time operation scene of the water-guided laser machine tool.

The invention belongs to the technical field of hot rolled strip residual stress control, and particularly relates to a sand blasting device of a hot rolled strip residual stress online regulation and control system, a using method of the sand blasting device and the hot rolled strip residual stress online regulation and control system. The non-uniform residual stress value information of the hot rolled strip is obtained through the obtaining mechanism and transmitted to the determining mechanism, and the determining mechanism determines the sand blasting operation information based on the preset relation between the non-uniform residual stress value information and the sand blasting operation information of the sand blaster; and the control system regulates and controls the sand blasting angle of the sand blaster based on the sand blasting operation information and controls the sand blasting parameters of the sand blaster, the sand blaster sprays sand grains to the hot-rolled strip, and the stress of the hot-rolled strip is regulated and controlled. According to the method, non-uniform residual stress in the production process of the hot-rolled strip is regulated on line, operation is convenient, targeted regulation can be conducted on the part with the large difference value, the strip does not need to be damaged, heat treatment does not need to be conducted on the strip again, and time and labor are saved.

The utility model relates to an intelligent cleaning device for a sand box, and belongs to the field of industrial automation and intelligent manufacturing. According to the scheme, the rail type RGV is adopted to automatically convey the sand box to the closed intelligent cleaning work station, and the information of the sand box is read through the RFID tag and synchronized to the information system. The cleaning robot scans the position of the sand box through the visual recognition device, and the tool changing robot grabs the adaptive drill bit from the drill bit tool library according to a system instruction and assembles the adaptive drill bit to the electric hammer chuck. And the cleaning robot drills and dredges the sand guide hole of the sand box, returns to the quick change frame to replace the electric pick, and performs multi-angle shoveling and scraping operation on the cavity of the sand box. And after cleaning is completed, the cleaning robot is switched to the sand blasting gun, and fine sand cleaning on the surface of the sand box is completed. The scheme aims at solving the problems that traditional manual cleaning is low in efficiency, severe in environment and large in potential safety hazard.

A surface polishing method for micro inner flow channel, a micro inner flow channel part and a polishing medium. The diameter of the micro inner flow channel is less than or equal to 3 mm and length-diameter ratio is greater than or equal to 50:1. A polishing medium including a liquid phase and a solid phase, and viscosity of the liquid phase <1000 cP, the solid phase includes abrasive particles; a predetermined pressure being set on the polishing medium, making the polishing medium flow in the micro inner flow channel at a flow velocity more than 5 m / s, and flow rate of the polish polishing medium flowing into the micro inner flow channel at one end reaches a saturation flow rate allowed by the bore of the micro inner flow channel, making the hydraulic pressure inside the inner flow channel be in a pressure holding state.

The invention relates to the technical field of ultrahigh-pressure water cutting, and discloses an ultrahigh-pressure water cutting composite material winding sand mixing tank based on a lightweight structure, which comprises a metal cylinder body, and the metal cylinder body is the core part of the whole structure and is used for assembling and connecting other structural members; the two elliptical sealing heads are positioned at the upper end and the lower end of the metal cylinder and are used for sealing the whole structure; the reinforcing layer is positioned on the periphery of the metal cylinder and outside the two elliptical heads and is used for reinforcing the overall structural strength; and the protective layer is located outside the reinforcing layer and the two elliptical sealing heads and used for protecting the whole structure. According to the ultrahigh-pressure water cutting sand mixing tank, the transition section where the elliptical head is connected with the metal cylinder adopts a fillet transition form, stress concentration is reduced, the mechanical property is optimized, the overall safety and reliability of the ultrahigh-pressure water cutting sand mixing tank are improved, the metal cylinder made of high-strength alloy steel is selected, the impact resistance and fatigue resistance of the overall material are cooperatively improved, and the pressure bearing capacity is effectively improved.

The invention discloses an additive manufacturing product surface treatment repairing device stable in supporting, and relates to the technical field of additive surface repairing, the additive manufacturing product surface treatment repairing device stable in supporting comprises a workpiece supporting mechanism and a supporting sliding support installed in the workpiece supporting mechanism, and a mixed material spraying mechanism is arranged at the top of the workpiece supporting mechanism; the workpiece supporting mechanism comprises a drying box, lifting supports are symmetrically installed on the two sides of the interior of the drying box, a motor cover is fixedly installed at the bottom of the drying box, and a lifting motor is fixedly installed on one side of the interior of the motor cover. The output end of the lifting motor is fixedly connected with a chain wheel transmission assembly, when the inner diameter of a workpiece is larger than the distance between the clamping rotating supports, the clamping rotating rods can rotate towards the outer side, a fastening threaded rod is driven to rotate by rotating a fastening rotary knob, a fastening threaded sleeve drives a fastening plate to move, and under the elastic force effect of a fastening spring, the clamping rotating rods can rotate towards the outer side. And the workpiece is fixed by the fastening pressing block.

The utility model relates to an automobile part machining shot blasting device, which belongs to the technical field of automobile part machining equipment and comprises a machining table, a machining box is fixedly mounted in the machining table, a rotary clamping mechanism is arranged in the machining box, and a shot blasting mechanism is fixedly mounted on the outer wall of the machining box. And a waste collecting mechanism is arranged at the bottom of the processing box. The rotary clamping mechanism has the advantages that when the rotary clamping mechanism is used, an automobile part to be machined is placed on the top of the first clamp, the sleeve is rotated so that the height of the top end of the sleeve can be adjusted, and then the first clamp and the second clamp stably clamp the automobile part to be machined; and meanwhile, the motor is started, so that the rotating shaft drives the bottom plate and the top plate to rotate, the automobile spare parts rotate with the vertical center line of the rotating shaft as the circle center, and the shot blasting mechanism can better machine the automobile spare parts.

The invention belongs to the technical field of material welding, and discloses a titanium alloy welding method which comprises the following steps: pretreating a to-be-welded surface of a titanium alloy; the pretreated to-be-welded surface is subjected to sand blasting treatment and magnetron sputtering treatment, and an iron film is sputtered on the to-be-welded surface; the titanium alloy with the to-be-welded surface sputtered with the iron film is subjected to annealing treatment in the argon atmosphere; and the to-be-welded surface of the sputtering iron film is welded through a diffusion welding process. According to the characteristic that the iron element can promote mutual diffusion of the titanium alloy, surface sand blasting, magnetron sputtering, stress relief annealing and diffusion welding processes are combined, so that the titanium alloy is tight in interface connection and complete in grain, the plasticity is not obviously reduced while the strength of the titanium alloy is kept, and the requirement for large-scale and integrated aero-engines can be met.

The invention discloses a TR380 type impeller head structure optimization method based on an EDEM discrete element method. The TR380 type impeller head structure optimization method comprises the steps that a three-dimensional model of a TR380 type impeller head is established through three-dimensional cartographic software; dividing a TR380 type impeller head grid, converting a file format and importing the file format into an EDEM (Extensible Description Model); and simulating the shot blasting process by using an EDEM discrete element method. EDEM simulation software is used for conducting simulation analysis on movement and collision of particles in the impeller head, the influence of different structure parameters on the structure abrasion condition of the impeller head can be simulated, then structure optimization design is conducted, the abrasion degree of the impeller head is reduced, the service life of the impeller head is prolonged, and the service life of the impeller head is prolonged. The optimized impeller head structure can better complete the tasks, meanwhile, due to the fact that the abrasion degree of the impeller head structure is reduced, frequent shutdown for maintenance is not needed, the production efficiency is improved, the replacement frequency and the maintenance cost of the impeller head are reduced, meanwhile, the production efficiency is also improved, the production cost can also be saved, and the production cost is reduced. And the requirements of workers are met.

The invention relates to the technical field of anchor withdrawing vehicles, and discloses an abrasive jet cutting anchor withdrawing vehicle and a using method thereof. The mechanical arm comprises an adjusting arm, a multi-section arm, an executing arm and an adjusting assembly; the adjusting assembly comprises a first connecting rod, a second connecting rod, a driving shaft and a hydraulic cylinder, one end of the first connecting rod is rotationally connected with the adjusting arm, one end of the second connecting rod is rotationally connected with the head section of the multi-section arm, and the other ends of the first connecting rod and the second connecting rod are rotationally connected through the driving shaft; the output end of the hydraulic cylinder is rotationally connected with the driving shaft. According to the abrasive jet cutting anchor withdrawing vehicle and the using method thereof, the mechanical arm is adjusted to be in the limit contraction state, and the moving convenience of the abrasive jet cutting anchor withdrawing vehicle in a roadway is greatly improved; the mechanical arm is adjusted to be in the ultimate extension state, and the high-altitude anchor cable withdrawing device can be suitable for high-altitude anchor cable withdrawing under the condition that the requirement for the overall length of the mechanical arm is small.

The invention belongs to the technical field of stainless steel pipe production, and particularly relates to stainless steel pipe production cleaning equipment which comprises a pair of cleaning frames, a pair of soaking cylinders are symmetrically arranged on the two sides of each cleaning frame, a supporting frame is installed at the end of each cleaning frame, and a plurality of fixing barrels are fixedly connected to the top end of each supporting frame. An inserting rod is inserted into the fixing cylinder, a plurality of supporting assemblies are fixedly connected to the surface of the inserting rod, supporting blocks are fixedly connected to the ends, away from the inserting rod, of the supporting assemblies, and a transmission notch is formed in the top end of the uppermost supporting block; when the stainless steel pipe production cleaning equipment is used, a rotating shaft drives a sponge block to move in a stainless steel pipe and controls the sponge block to rotate, the sponge block can be matched with clear water to clean the inner wall of the stainless steel pipe along with movement of an inserting rod in the stainless steel pipe, and compared with pure clear water flushing, the cleaning effect is more excellent; and firm dirt attached to the inner wall of the stainless steel pipe can be fully cleaned.

The present application relates to the manufacturing technical field of aero-engine blisk, in particular to an integrated forming machining method for blisk machining, which combines abrasive water jet rough machining, electrolytic machining and self-adaptive polishing machining to form an integrated machining method. First, the characteristics of the theoretical model of the blisk part are analyzed, simplified and reconstructed to build a water jet machining process model of the blisk. Then, the abrasive water jet equipment is applied to remove the material of the rough machining of the blade body. After that, the double-sided feeding electrolytic finishing method is determined to machine the blade body and the flow channel of the blisk. Then, the blade body and the flow channel are machined by a sand belt robot. Finally, the precision machining of the blisk is completed. The present application combines the advantages of abrasive water jet rough machining, electrolytic machining and self-adaptive polishing machining, re-plans the machining method and technical path of the blisk, effectively reduces the machining difficulty of the part, finally guarantees the dimensional accuracy and position accuracy of the part, and realizes the high-performance manufacturing and machining of the blisk.

A mixed abrasive synergistic enhancement immersion microjet processing system and method for RB-SiC ceramic microstructures is characterized by: the micro-abrasive air jet nozzle is driven by an active rack and driven gear, and one end is connected to a precision sandblasting machine containing micron-sized abrasive particles; its output end is immersed in a slurry tank containing submicron / nano-sized abrasive particles; the micro-abrasive air jet nozzle ejects a gas-solid two-phase flow and generates a large number of microbubbles; the driving effect of the microbubbles effectively mixes the submicron / nano-sized abrasive particles in the slurry tank with the gas-solid two-phase flow ejected by the micro-abrasive air jet nozzle, thereby obtaining a mixed abrasive synergistic enhancement immersion microjet; the waste liquid passes through a primary filter particle recovery outlet, a secondary filter particle recovery outlet, and a tertiary filter particle recovery outlet in real time, where the micron-sized abrasive particles and erosion debris are screened, dried, and classified for collection, ultimately achieving efficient and high-quality processing of RB-SiC ceramic microstructures.

The utility model belongs to the technical field of roller texturing treatment, and provides a roller texturing shot blasting machine which comprises a roller conveying structure, a shot blasting structure is arranged at the top of the roller conveying structure, and a recycling structure is arranged on the shot blasting structure. The shot blasting structure comprises a shot blasting material box, two shot blasting openings are symmetrically formed in the bottom end of the shot blasting material box, and shot blasting rotating plates are arranged in the two shot blasting openings through rotating shafts; the recycling structure comprises a recycling bin, a conveying pipe is inserted into the bottom end of the recycling bin, an air pump is inserted into the other end of the conveying pipe, the air pump is fixedly installed on the shot blasting material box, and a recycling pipe is inserted into the other end of the air pump. The problem that the collecting efficiency is reduced due to the fact that shot blasting materials continuously collide with the outer surface of a roller and need to be manually collected due to the counter-acting force of collision when existing equipment carries out shot blasting to carry out roller texturing behaviors is solved.

The invention relates to the technical field of metal surface cleaning, in particular to an abrasive adding control method and device. According to the specific scheme, the slurry control box is arranged, the water valve and the sand valve are arranged below the slurry control box, and then the PLC control device monitors and controls the operation speed and the machining quality of a workpiece, so that the flow of the sand valve and the flow of the water valve are controlled, the water-sand proportion concentration and the flow are precisely controlled, and precise control over the cleaning quality is achieved.

The invention relates to the technical field of abrasive material supply, and discloses a remote abrasive material continuous supply quantitative sand feeding system which comprises a remote abrasive material supply module and a continuous quantitative sand supply module, the remote abrasive material supply module comprises a sand storage box, a connecting hose and a sand supply tank, the connecting hose is provided with a non-return assembly, the sand supply tank is provided with an air blowing valve, and the sand supply tank is provided with a sand outlet; the continuous quantitative sand supply module comprises a sand blasting assembly and a sand supply hopper, the sand supply hopper is provided with a sand inlet, a sand outlet is communicated with the sand inlet through a sand supply pipe, the sand supply tank is provided with a first exhaust valve, the sand supply hopper is provided with a second exhaust valve, the sand blasting assembly comprises a sand supply roller and a driving part, and the sand supply roller is provided with a tooth groove; the non-return assembly is arranged to separate the sand storage box from the sand supply tank, so that the sand storage box is in a normal-pressure state, materials can be fed into the sand storage box at any time, and abrasive fine sand can be continuously conveyed for a long distance under the action of dual driving of gravity and air pressure difference by combining with mutual matching of the non-return assembly and the blowing valve.

The utility model discloses a sand blasting and polishing device for a printing piece, and particularly relates to the technical field of 3D printing piece processing, which comprises a cylinder body and a sand blasting groove arranged on the outer wall of the cylinder body. The rotating plate is arranged at one end of the driving shaft, so that the circular ring pipe can move in the spraying groove, when the sand blasting and polishing device is used for machining the exterior of a 3D printing piece, the whole process of removing and passivating the surface of a base material is mostly influenced by rapid sand flow, compressed gas is selected as a driving force, and the effect is greatly improved. According to the equipment, a high-speed spraying beam is established to directly and quickly spray a spraying material to the surface of a workpiece to be treated through a spraying head, so that the surface or the appearance of the outer surface of the surface of the workpiece is changed, and the surface of the workpiece has certain cleanliness and different surface roughness; and left-right small-amplitude circumferential shaking spraying is carried out through the spraying head, so that spraying dead angles of spraying materials are reduced.

The invention belongs to the technical field of semiconductor precision manufacturing, and discloses micro-nano powder wafer non-traditional machining equipment which comprises a sand blasting machining structure, a sand path and gas path structure, a sand returning and storing structure and a tail gas treatment structure. The sand path and gas path structure comprises a sand path group, a gas path group and an exhaust fan; the gas circuit group is arranged in the sand blasting processing structure and is communicated with the exhaust fan; one end of the gas circuit group is communicated with the exhaust fan, and the other end of the gas circuit group is communicated with the top of the sand returning and storing structure; and the tail gas treatment structure is communicated with the sand returning and storing structure. According to the micro-nano powder wafer non-traditional machining equipment, the problems of toxic pollutant treatment caused by wet etching, low laser machining efficiency and the like are solved.

A metering valve for introducing media into a pressurized fluid includes media passaging having a media inlet for receiving media and a media outlet for dispensing media toward the pressurized fluid. The media passaging defines a flow path extending from the media inlet to the media outlet and is configured to permit flow of media along the flow path. A plunger, including a plunger head, is movable between a closed position in which the plunger head forms a seal to prevent flow of media through the media passaging and an open position in which the plunger head permits flow of media through the media passaging. The seal formed by the plunger head includes a first sealing interface and a second sealing interface downstream along the flow path of the first sealing interface.

The present disclosure relates to abrasive material delivery systems for liquid jet cutting systems. The abrasive material delivery systems can include a valve configured to adjust an inflow of abrasive material into the abrasive material delivery system from a source of abrasive material. The systems can include a chamber downstream of the valve and configured to receive the inflow of abrasive material from the valve. The systems can include a metering component configured to control an outflow of abrasive from the chamber to a cutting head of the liquid jet cutting system. In some embodiments, the systems include a sensor configured to monitor movement of a top surface of a portion of abrasive material within the chamber as the top surface moves through the chamber; and a processing device operably connected to the sensor and configured to determine an abrasive flow rate through the metering component based on a speed of the top surface as monitored by the sensor.

A venturi cartridge regulating device for an air-particle dispensing system is provided, which is designed to be pre-assembled and installed in a chamber capable of atmospheric pressurization to regulate the required proportions of air and particle in a mixture formed upon activation by a propellant source and to direct a stream of a particle-gas mixture out of the chamber toward a targeted surface. The apparatus includes a chamber comprising a first plurality of inlet holes and a second plurality of inlet holes; and a conduit arranged at least partially within the chamber having a first opening arranged in the chamber. The first plurality of inlet holes is configured to intake a first substance, the second plurality of inlet holes is configured to intake a second substance, and a mixture of the first and second substances is created and mixture enters the conduit through the first opening.

The invention relates to a dynamic lag compensation method for inclined hole machining of a base of a water jet cutting machine. The dynamic lag compensation method comprises the following steps that S1, machining parameters are obtained; s2, establishing a dynamic lag vector model; s3, based on the target axis vector of the inclined hole, establishing an asymmetric taper prediction model; s4, coupling the dynamic lag vector model and the asymmetric taper prediction model to generate a comprehensive compensation model; s5, real-time reverse compensation is conducted on a preset inclined hole cutting theoretical tool path; s6, the high-pressure abrasive water jet device is controlled to conduct inclined hole machining on the cutting machine base according to the execution path; and S7, in the cutting process, water jet pressure, abrasive flow and nozzle abrasion state parameters are built in real time. The method has the following advantages that accurate compensation of the dynamic hysteresis effect and effective suppression of the asymmetric taper are achieved, the hole axis and position precision is remarkably improved, and the high-quality hole wall shape is obtained.

The invention relates to the technical field of titanium sponge production reduction furnaces, in particular to an automatic cleaning device for a titanium sponge production reactor and a control method, and the device comprises a sand blasting cleaning machine, a compressed air conveying unit and a cleaned material separation device; the sand blasting cleaning machine comprises a sand blasting unit, a material recovery unit and an automatic reactor cleaning trolley device with eight groups of fixed pulleys, and the sand blasting unit is provided with a sand blasting cleaning rod, a sand blasting pre-storage control unit, a compressed air storage unit and a compressed air control unit. The material recycling unit is provided with a cleaned material adsorption device, a cleaned material recycling and transferring unit and a recycled cleaned material conveying pipeline; a compressed air inlet pipeline is connected with a compressed air conveying unit and a compressed air control unit; according to the control method, forward cleaning and reverse cleaning are carried out, the pressure of 0.6-0.7 Mpa is maintained, cleaning sand of 0.5-2.0 mm is adopted, and cleaning is completed within 40-60 minutes. The device is high in automation degree, stable in cleaning quality and capable of protecting the reactor, reducing cost, improving efficiency and eliminating potential safety hazards.

This invention discloses a processing method for thermal spraying of flat workpieces. The processing method includes: taking a flat workpiece to be processed and constraining it using a processing fixture, the processing fixture including a support platform and a constraint component; placing the flat workpiece on the support platform and pressing the flat workpiece onto the support platform using the constraint component; operating a sandblasting device and a spraying device to sequentially perform sandblasting and spraying treatments on a first working surface of the flat workpiece; removing the flat workpiece, flipping it over, and pressing the flat workpiece onto the support platform again using the constraint component; operating the sandblasting device and the spraying device again to sequentially perform sandblasting and spraying treatments on a second working surface of the flat workpiece; removing the flat workpiece after sandblasting and spraying treatments and placing it in a heat treatment furnace for heat treatment to obtain the finished flat workpiece, maintaining the stability of the workpiece in the secondary processing, and improving the reliability and efficiency of the thermal spraying operation.

The invention discloses a long-service-life steel shot grading rounding device, and belongs to the technical field of steel shot rounding, the long-service-life steel shot grading rounding device comprises a feeding mechanism used for feeding steel shots and a main body frame body, and the main body frame body is provided with an impact mechanism used for conducting preliminary rounding on the steel shots and a grading mechanism used for conducting grading rounding on the steel shots; a three-stage collaborative rounding process of pre-grinding, impact grinding and fine grinding is set, firstly, a grinding plate which rotates in a steel shot box and is provided with a rough surface and a non-uniform grinding column is used for carrying out primary dispersion and corner angle grinding on steel shots, and primary regularization is achieved; the steel shots are subjected to strong and multi-angle impact grinding and efficient sharp edge removal by utilizing the impact block which rotates at a high speed and is provided with bulges on the surface, and finally, in the grading grinding cylinder, the lower grinding plate performs continuous fine grinding and rolling, so that the surface smoothness is ensured, and the geometric consistency and the surface quality of the steel shots are improved.

The invention relates to the technical field of dental implant treatment, in particular to a sand blasting medium treatment device for implant surface treatment and a circulation method. The sand blasting machine comprises a sand blasting machine body, a first feeding pipe and a first discharging pipe are arranged on the sand blasting machine body and used for inputting sand blasting media to the sand blasting machine body and discharging the used sand blasting media, a medium processing mechanism is arranged on one side of the sand blasting machine body and composed of a shell, a vibration motor and a filter plate, and the vibration motor is installed on the shell; and the filter plate is mounted on the shell and is used for vibrating along with the shell. By arranging the first vacuum conveying pump and the second vacuum conveying pump, a sand blasting medium obtained after sand blasting operation is completed can be conveyed into the shell to be filtered, the medium meeting the sand blasting requirement is conveyed into the sand blasting machine again and reused, and therefore the sand blasting cost can be saved.

The method employs blast media containing a first grainy material, consisting mainly of a material with a hardness equal to or less than that of the target member to be restored in granular form. This blast media, along with gas, is ejected from a nozzle with a substantially rectangular-shaped outlet, while adjusting the flow rate. The ejected mixture functions as a graining tool to remove pollution, exposing underlying or surrounding surface to be restored of the target member without grinding away the surface and simultaneously providing a rough treatment to form fine texture on the restored surface.