1073results about "Blast guns" patented technology

To perform efficient surface treatment on a surface to be treated which is positioned on a lower surface side of a structure.SOLUTION: A surface treatment system jets jetted material to a surface to be treated which is set on a lower surface of a structure. The system includes: a surface treatment device which has a nozzle head provided with a jetting nozzle which is inserted in a base end opening part and jets the jetted material, and having a tip end opening part arranged opposite to the surface to be treated; and a nozzle head support device for supporting the nozzle head. The nozzle head support device includes: a pillar arranged in a periphery of the surface to be treated; an arm mechanism which has an arm main body of which a base end is connected to the pillar and rotates around the pillar, and includes a rotation shaft parallel to the pillar and arranged on a joint of a link; and a nozzle head mounting member which is connected to a tip end of the arm mechanism and on which the nozzle head is mounted.SELECTED DRAWING: Figure 1

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 utility model discloses a full-automatic sand blasting machine which comprises a protective box body, a collecting hopper used for collecting sand is arranged on the lower end face of the protective box body, a supporting clamping seat and a sand blasting device are fixedly arranged on the upper end face of the protective box body, and the sand blasting device is rotationally clamped in the center of the inner end face of the supporting clamping seat. A servo motor is arranged at the position, close to the sand blasting device, of the upper end face of the supporting clamping base, and a driving synchronous belt wheel is fixedly arranged at the output end of the servo motor. When sand blasting is carried out, the feeding sliding plate can be matched with the protective box body to carry out closed feeding, so that when the sand blasting rotary drum carries out surrounding sand blasting on workpieces, the protective box body is of a closed structure, the stability of sand blasting can be effectively improved, a plurality of sets of workpieces are arranged in the feeding sliding plate, meanwhile, the feeding sliding plate can be matched with the protective box body to carry out circulating feeding, and the working efficiency is improved. And the sand blasting efficiency of the equipment on the workpieces in the feeding sliding plate is effectively improved.

The utility model provides a rotary spray gun sandblasting device, which relates to the field of sandblasting cleaning technology, and solves the problem that commonly used sandblasting equipment is usually fixed for sandblasting, which results in the inability to process workpieces of different specifications well, reduces the convenience of using the sandblasting device, and cannot process workpieces of different specifications. A rotary spray gun sandblasting device, comprising: a connecting frame with a circular frame structure design is slidably arranged inside the processing box; through the arrangement of the sandblasting device body and the transmission motor, when the workpiece is sandblasted, the transmission motor will drive the sandblasting device body to rotate inside the connecting frame through the transmission between the transmission shaft A and the transmission shaft B, and the sandblasting head at the bottom of the sandblasting device body will rotate around the workpiece, thereby speeding up the sandblasting speed and improving the processing efficiency to perform sandblasting on multiple sides of the workpiece.

The invention discloses a deflection composite cavitation nozzle for water jet surface treatment, and relates to the technical field of cavitation jet nozzles and jet surface treatment.The deflection composite cavitation nozzle comprises a nozzle inner pipe, a nozzle outer pipe and a deflection piece, the nozzle outer pipe is arranged outside the nozzle inner pipe in a sleeving mode, and a common flow cavity is formed between the nozzle outer pipe and the nozzle inner pipe; an inner cavity of the nozzle inner pipe is a high-pressure water flow channel, a high-pressure water flow inlet is formed in one end of the high-pressure water flow channel, the other end of the high-pressure water flow channel is blocked by a deflection piece, and a scaling outlet is formed in the position, close to the deflection piece, of the high-pressure water flow channel in the radial direction and communicated with the co-flow cavity. A high-pressure water and low-pressure water co-flow area is formed in the space between the scaling outlet and the outer nozzle outlet, and a low-pressure water flow inlet communicated with the co-flow cavity is formed in the side wall, away from the outer nozzle outlet, of the nozzle outer pipe. The cavitation rate can be greatly improved, the cavitation effect is better, and the treatment effect of cavitation jet flow is improved.

The invention discloses a sand blasting machine for tubing coupling machining, and relates to the technical field of sand blasting equipment. A raw material box is fixedly connected to the top end of the shell, an upper sand blasting pipe is connected to the top side of the raw material box in a penetrating mode, a butt joint hose is connected to the side of the raw material box in a penetrating mode, meanwhile, a side sand blasting pipe is connected to the outer end of the butt joint hose in a penetrating mode, the side sand blasting pipe is slidably connected to the side of the shell, and a fixing frame is fixedly connected to the bottom side of the interior of the shell. According to the sand blasting machine for tubing coupling machining, when a side sand blasting pipe moves, a butt joint disc and an abutting disc can be synchronously driven to move, the outer end of a tubing coupling extrudes an abutting air bag arranged on the inner side of the abutting disc, air in the abutting air bag enters an expansion air bag through a communicating pipe, and the expansion air bag is expanded; the internal threads of the tubing coupling can be protected and blocked through the expansion air bag, and the possibility that the internal threads of the tubing coupling are abraded due to the sand blasting effect and the follow-up butt joint stability is affected is reduced.

The utility model discloses a spray gun mechanism and sand blasting equipment. The spray gun mechanism is used for spraying sand towards a first face of a workpiece, a second face opposite to the first face and an outer side face connected between the first face and the second face. The spray gun mechanism comprises a moving assembly, a connecting piece connected with the moving assembly so as to be driven by the moving assembly to move and a spray gun assembly connected with the connecting piece and moving synchronously with the connecting piece, and the spray gun assembly comprises a first spray gun with the adjustable spraying angle, a second spray gun with the adjustable spraying angle and a third spray gun. The first spray gun is used for spraying sand towards the first face, the second spray gun is used for spraying sand towards the second face, the third spray gun is used for spraying sand towards the outer side face, and the first spray gun and the second spray gun are symmetrically arranged and located on the same side of the third spray gun. According to the spray gun mechanism and the sand blasting equipment comprising the spray gun mechanism, the three different surfaces of the workpiece are subjected to sand blasting at the same time through the spray gun assembly, and the working efficiency and the sand blasting yield can be improved.

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.

The sand blasting device comprises a sand blasting cabinet used for containing a treated workpiece, a movable groove allowing a sand blasting pipe to stretch into the cabinet body is formed in the upper end of the sand blasting cabinet, and a sand blasting pipe moving assembly capable of being connected with the sand blasting pipe to guide the sand blasting pipe to move is arranged beside the sand blasting cabinet. And a jacking rotating assembly which extends into the cabinet body and is used for bearing a treated workpiece is arranged below the sand blasting cabinet, so that the inner surface and the outer surface of the treated workpiece can be effectively treated. Through the arrangement of the sand blasting pipe movement assembly which specifically comprises the lifting assembly, the transverse moving assembly and the sand blasting pipe adjusting assembly and works cooperatively with the jacking rotating assembly, comprehensive and uniform sand blasting treatment on the inner surface and the outer surface of the circular workpiece is achieved, the treatment efficiency and consistency are remarkably improved, the low efficiency and inconsistency caused by manually holding a sand blasting gun by hand are avoided, and the working efficiency is improved. Compared with the prior art, the sand blasting device has the remarkable advantages that the sand blasting efficiency, quality and environment-friendly performance of the circular workpiece are remarkably improved.

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 utility model belongs to the technical field of edge grinding devices, and particularly relates to a glass gantry double-beam water jet cutter edge grinding device which comprises a gantry platform, glass to be cut is placed above the gantry platform, longitudinal sliding rails are arranged on the left side and the right side of the gantry platform respectively, and sliding seats are connected to the upper ends of the longitudinal sliding rails in a sliding mode. An edge grinding cross beam and a CNC edge grinding tool bit are arranged above the sliding seat, and a water cutting cross beam and a five-axis water cutting tool bit are arranged on the middle section of a beam body of the edge grinding cross beam and the middle section of a beam body of the CNC edge grinding tool bit. The edge grinding and cutting combined type structure is adopted for equipment, the water cutting cross beam and the five-axis water cutting tool bit are adopted in a cutting area, a hydraulic rod is matched with a connecting rod clamping mechanism for fixing glass, and the situation that displacement is generated in the cutting process, and cutting precision is affected is effectively prevented. An edge grinding cross beam and a CNC edge grinding tool bit are adopted in a grinding area, the grinding requirement is met, an edge grinding numerical control system and a second electric appliance cabinet are arranged, and the system is used during operation.

The invention discloses a spray gun track generation method and device, equipment and a medium. The method comprises the following steps: based on basic data of a target part set by a user, obtaining a finite element simulation result matched with the target part through finite element simulation software; in response to a selection operation of a user on the finite element simulation software, selecting at least one simulation point location from the simulation point locations as a target point location, and acquiring simulation result information matched with the target point locations as target point location information of the target point locations; and based on the target point location information corresponding to the target point locations, spray gun point location postures matched with the target point locations are generated, and a target spray gun track is obtained according to the spray gun point location postures. According to the technical scheme, the track of the spray gun can be generated in the shot blasting operation, the accuracy of the shot blasting operation is improved, and the shot blasting effect is improved.

The pipe workpiece spraying production line comprises a production rack, a conveying part, a sand blasting treatment part, a spraying treatment part and a stroke monitoring part, the conveying part comprises a chain-shaped track, the chain-shaped track is installed on the production rack, a plurality of installation bases are arranged on the chain-shaped track, and the sand blasting treatment part is installed on the installation bases; the mounting base is provided with a circular clamping groove, and a pipe workpiece is suitable for being clamped in the circular clamping groove so as to be fixed to the mounting base. The sand blasting treatment component comprises a sand blasting bin, a first sand blasting gun and a second sand blasting gun, the sand blasting bin is installed on the production rack, the sand blasting bin is provided with a sand blasting cavity, a first inlet and a first outlet, the sand blasting cavity is communicated with the first inlet and the first outlet, and the second inlet is communicated with the second outlet. Automatic sand blasting, spraying and follow-up treatment can be conducted on the inner surface and the outer surface of a pipe workpiece, contact damage to the surface of the pipe is avoided through the chain type track and the mounting base, and the coating uniformity and the production efficiency are improved.

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 invention discloses an inner circle surface cluster magnetic jet polishing device and method, and belongs to the technical field of polishing equipment.The magneto-rheological polishing and jet polishing are combined, that is, magneto-rheological polishing liquid is jetted out of a liquid outlet of a cluster magnetic jet polishing head at a high speed under the high-pressure effect, efficient jet rough polishing is conducted on the inner circle surface of a workpiece, and the inner circle surface is polished. And meanwhile, under the action of the magnetic field, the magnetorheological polishing liquid is converted into a magnetorheological polishing pad and a flexible clamping abrasive for secondary fine polishing, so that the problems of workpiece deformation and poor surface quality easily caused by traditional honing and polishing are solved, the defect of low efficiency of single magnetorheological polishing is overcome, and the polishing efficiency and the surface quality are improved. Besides, the device can adapt to workpieces with different diameters by replacing cluster magnetic jet polishing heads and workpiece discs with different sizes, and the machining requirements of the workpieces made of different materials are met by matching with adjustable polishing liquid pressure, flow and rotating speed parameters; due to the expanded double-station design, the machining efficiency is improved, and the machining requirements of high-quality inner circle surface parts are met.

A fluid-driven dual-mode abrasive perforation tool which is selectively operable to switch between abrasive and neutral mode is disclosed. In the abrasive mode, jets of abrasive fluid are delivered on to perforate the target site. A ratchet path having mated peaks and valleys on the surface of a J-slot piston included in the tool is engaged with guiding pins. On longitudinal sliding of the piston due to guided inflow and interruption pressurized abrasive fluid through the tool, the guiding pins cause rotation of the piston. Rotation of the piston alternately aligns a pair of flow channels included in the piston with flow paths for ejecting jets of pressurized abrasive fluid and flow paths for non-abrasive ejection of pressurized fluid. When the pair of flow channels of the piston get aligned with flow paths for ejecting jets of pressurized abrasive fluid, the tool is operated in the abrasive mode.

The invention discloses a turnover die casting multi-dimensional deburring machining center, which relates to the technical field of deburring machining and comprises a machining main center, a support frame, a deburring machining bin and a control panel. According to the turnover die casting multi-dimensional deburring machining center, a single driving motor is used for providing driving force, a driving shaft is made to be matched with a first chain wheel assembly in a rotating mode, then a driven shaft can be made to rotate, a discharging auger can rotate conveniently, sand sprayed in the deburring machining process can be conveyed out from a conveying barrel, and later recycling is facilitated; then, a driven shaft rotates to be matched with a second chain wheel assembly to enable a transmission shaft to synchronously rotate, namely, a transmission gear rotates, the transmission gear, a transition gear and a driven gear are meshed with one another, the transition gear and the driven gear can rotate, and two four-jaw chucks in a deburring machining bin can rotate by being matched with an auxiliary shaft; therefore, the clamped die casting can rotate synchronously, and dynamic adjustment of a machining face is achieved.

The invention provides water pipe rust removal equipment for a water conservancy project, and belongs to the technical field of water pipe rust removal equipment. Comprising a fixed frame, a multi-stage telescopic rod is fixedly connected to the fixed frame, a mounting seat is assembled at the tail end of the telescopic rod of the multi-stage telescopic rod, fixed seats are symmetrically mounted on the two sides of the mounting seat, a supporting frame and a connecting seat are symmetrically connected to the top and the bottom of the mounting seat, and movable seats are arranged in the fixed seats in a sleeved mode; the tail end of the movable seat extends to the outer portion of the fixed seat and is provided with a grinding tool base, and a grinding head is arranged in the grinding tool base in a sleeved mode. According to the water pipe rust removal equipment for the water conservancy project, by arranging the sand blasting assembly, the grinding tool base and the grinding head, sand blasting rust removal and grinding rust removal are combined through the water pipe rust removal equipment for the water conservancy project, primary rust removal is conducted on the inner wall of a pipeline through grinding of the grinding head, and secondary rust removal is conducted through the sand blasting assembly; therefore, the quality and the efficiency of the equipment during pipeline inner wall rust removal operation are both considered.

The invention belongs to the technical field of automatic sand blasting, and provides a mechanical arm sand blasting track generation method and system, a medium and a robot. The mechanical arm sand blasting track generation method comprises the steps that key process parameters of a sand blasting system are discretized in a layered mode; calculating the actual angle of each joint of the positioner; coordinates of spraying points are calculated; the joint angle of the mechanical arm is calculated, and the collision-free effective posture of the mechanical arm meeting the sand blasting process requirement is screened; a collision-free and process-feasible configuration space diagram is constructed, the vertex of the configuration space diagram is composed of all spraying points, and the edge of the configuration space diagram is composed of paths of the adjacent spraying points; and according to the collision-free and process-feasible configuration space diagram, an optimal path from a preset starting vertex to a target vertex is searched for and serves as a mechanical arm sand blasting track for optimizing the kinematics performance and the sand blasting process quality at the same time. The automatic level of sand blasting treatment, the consistency of treatment quality and the overall operation efficiency can be improved.

The utility model discloses metal part batch polishing equipment which comprises an outer shell, a hydraulic cylinder is installed at the top end of the outer shell, the output end of the hydraulic cylinder extends into an inner cavity of the outer shell, a sand blasting machine nozzle is installed at the output end of the hydraulic cylinder, an installation base is installed in the inner cavity of the outer shell, and a workbench is installed at the top end of the installation base. A motor is installed on the outer wall of the shell, the output end of the motor extends into an inner cavity of the workbench, a first gear is rotationally installed in the inner cavity of the workbench and connected with the output end of the motor, and a plurality of second gears are installed in the inner cavity of the workbench at equal intervals in the circumferential direction. And the second gear is meshed with the first gear. According to the batch polishing equipment for the metal parts, in actual use, it is guaranteed that a filling tool revolves while rotating during polishing, it is guaranteed that the outer walls of workpieces can be stably and evenly polished, meanwhile, the workpieces can be tightly supported, self-shaking of the workpieces is avoided, and normal polishing work is guaranteed.

The invention discloses a glass sand blasting machine which comprises a conveying system, a working bin, a lifting door assembly, a spray gun assembly, a sand grain feeding assembly, a cyclone separator, a dust removal system and an electric control box. The driving air cylinder drives the spray gun to swing, and the sand blasting force can be changed by adjusting the swing angle of the spray gun, so that different sand blasting effects are formed, the situation that the surface of glass is thinned due to excessive local sand blasting can be avoided, the sand blasting force is uniform, and the sand blasting quality is stable; the transmission system, the lifting door assembly, the spray gun assembly and the like are controlled by the electric cabinet, the automation intensity is high, and the labor intensity of operators is reduced; the cyclone separator and the dust removal system are adopted to improve the sand blasting environment, improve the utilization rate of sand grains, prevent sand grains and dust from overflowing, and have the characteristics of environmental protection and safety.

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.

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.

Increase the surface grinding speed by cavitation processing method. [Solution] The cavitation surface treatment method involves mixing an abrasive 7 into a treatment liquid 5, immersing a workpiece 3 and a horizontal projection nozzle 12 in the treatment liquid 5, and while rotating around a jet axis 1, spraying a cavitation jet 32 ​​spreading on a plane toward the surface of the workpiece 3, smoothing the surface of the workpiece 3 and imparting compressive residual stress to the surface of the workpiece 3.

The invention discloses an abrasive water jet cleaning device and cleaning method.The abrasive water jet cleaning device comprises a cleaning box body, a spray head cleaning assembly and a conveying roller way, and the spray head cleaning assembly comprises a mounting frame, a mounting block and a spray head; the spray head cleaning assembly located on one surface of the steel plate / belt comprises a pair of installation frames, each installation frame is provided with a plurality of spray heads, the cleaning areas of the spray heads on the two installation frames cover the transverse width of the steel plate / belt after being combined, the spray heads on the two installation frames are obliquely arranged, and the spray heads on the two installation frames are arranged in a staggered mode. And the spraying directions of the sprayers face the two transverse sides of the steel plate / strip respectively. According to the cleaning device and the cleaning method, under the condition that optimal process parameters and spatial arrangement conditions of the spray head are met, extremely high part universality can be achieved, modular disassembly can be carried out, and the equipment site requirement can be reduced.

The invention relates to the technical field of machine manufacturing, and discloses a steel pipe derusting machine which comprises a bottom plate, a working box fixedly connected to the top of the bottom plate, a rotating shaft rotationally connected to the bottom of the inner wall of the working box, a telescopic rod fixedly connected to the inner wall of the rotating shaft, and a positioning mechanism comprising a connecting ring fixedly connected to the surface of the telescopic rod, the top of the connecting ring is fixedly connected with a propeller, telescopic films are slidably connected into slotted holes in the two sides of the connecting ring, the ends, away from the connecting ring, of the telescopic films are fixedly connected with connecting arms, the inner wall of the propeller is slidably connected with a pushing belt, and the end, away from the propeller, of the pushing belt is fixedly connected with the surfaces of the connecting arms. By arranging the positioning mechanism, magnetic attraction can be generated between a magnetic attraction block and the inner wall of the steel pipe, so that the positioning block is attracted to the inner wall of the steel pipe, and the derusting device for the inner wall of the steel pipe can be automatically positioned to the inner wall of the steel pipe according to the steel pipes with different pipe diameters.

The invention provides a suspended abrasive modified water jet device for equipment deicing, which comprises a water tank, a mechanical rotary stirrer is arranged in the water tank, a modifier feed hopper, an abrasive feed hopper and a water source inlet are arranged on the water tank, the water tank is connected with a supercharging device through a first high-pressure rubber hose, and the supercharging device is connected with a jet pump through a second high-pressure rubber hose. The jet pump is connected with a jet nozzle through a third high-pressure rubber pipe, and the jet nozzle is fixed to a nozzle support. The invention further provides a suspended abrasive modified water jet method for equipment deicing. The modifier and the abrasive are added by arranging the modifier and the abrasive feeding hopper to form stable and modified suspended abrasive slurry jet flow, the jet flow form enlarges the effective distance of the jet flow and the effective depth of ice breaking, the viscosity and the elasticity of liquid after the modifier is added are remarkably enhanced, and after the jet flow impacts an ice body, the stability of the jet flow is improved. The suspended abrasive slurry under the low shearing force carries the crushed ice to slide to the ground, and liquid drops cannot be formed to cause secondary icing.

The invention relates to the technical field of sand blasting, in particular to a sand blasting device for metal part rust removal. Comprising a sand pipe arranged on a movable support, an electric control valve is installed on the sand pipe, a motor is installed on the sand pipe, the sand pipe is rotationally connected with a rotating pipe, the rotating pipe is fixedly connected with a flow guide frame, and the flow guide frame is communicated with a sand blasting nozzle. The flow guide frame is slidably connected with a sliding rod, the sliding rod is fixedly connected with a detection frame, and the sliding rod is provided with a pressure sensor. The flow of the electric control valve is regulated and controlled through the two pressure sensors, the sand blasting amount at different diameter positions of the inner wall of the pipeline is adjusted so as to adapt to different sand blasting amounts needed by all positions of the variable-diameter pipeline, then the uniformity of sand blasting of the inner wall of the variable-diameter pipeline is guaranteed, the sand blasting derusting effect is guaranteed, and when the branch position of the variable-diameter pipeline is encountered, the sand blasting efficiency is improved. And the probability that the normal use of the variable-diameter pipeline branch pipe is influenced by sand accumulation in the variable-diameter pipeline branch pipe is reduced.

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.