3757results about "Abrasive machine appurtenances" 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 discloses a high-rise building operation robot, and belongs to the technical field of engineering construction, the high-rise building operation robot comprises a base, the base is provided with a mechanical arm, a driving mechanism for driving the mechanical arm to move horizontally and a lifting mechanism for vertically moving along a wall surface, the end part of the mechanical arm is provided with a sand blasting gun, two sides of the sand blasting gun are provided with distance measuring sensors, and the base is provided with a wind direction and wind speed sensor; the modeling module is used for fusing sensor data to generate an environment model containing three-dimensional geometric and semantic information and a dynamic wind field distribution model; the cooperation module generates a cooperation control instruction sequence for coordinating each component based on prediction optimization control; the adjusting module corrects parameters of the sand blasting gun in real time through autonomous learning; the execution module generates a driving instruction in combination with feedforward and compliance control; and the decision module monitors and outputs an operation adjustment instruction or a re-planning instruction. The device can sense the condition of the outer wall in real time and dynamically adjust the operation strategy, the adaptability to the complex wall surface is improved, meanwhile, wind disturbance is effectively resisted, and the sand blasting quality is guaranteed.

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 discloses an intelligent control system and method for shot blasting equipment based on multi-modal perception, and relates to the technical field of industrial surface treatment.The intelligent control system and method for the shot blasting equipment based on the multi-modal perception have the advantages that a technological parameter self-evolution decision-making mechanism with deep reinforcement learning as a core and real-time feedback of discharging quality as a system is established; the shot blasting process is converted from static experience setting to dynamic model driving, a process parameter optimization model serves as a deep reinforcement learning agent, instant reward functions of processing quality, energy consumption, material consumption and equipment loss are comprehensively considered, and the function guide model pays attention to whether the final quality reaches the standard or not, and also pays attention to the real-time reward functions of the processing quality, the energy consumption, the material consumption and the equipment loss. And meanwhile, the comprehensive economic benefits of the whole process are actively optimized, the quality evaluation and prediction model performs real-time and quantitative analysis on visual images of discharged workpieces, and immediately feeds back results to the decision model, so that the system has the learning ability, and autonomously explores and converges to an optimal process parameter combination for specific workpieces and specific states.

A cleaning system for cleaning an electronic device includes an enclosure and at least one robot positioned within the enclosure. Each robot includes a robotic arm and an end effector coupled to the robotic arm. The cleaning system includes at least one nozzle positioned within the enclosure and at least one dry ice blasting machine configured to eject dry ice particles from the at least one nozzle. The robot is configured to position the electronic device proximate to the at least one nozzle to clean the electronic device with the dry ice particles that are ejected from the at least one nozzle.

The invention discloses a plate surface compensation cleaning system and a control method thereof. The system comprises a plate main cleaning system, a surface detection system and a compensation cleaning system which are sequentially arranged in the plate conveying direction. The control method comprises the steps that S1, plates cleaned by the plate main cleaning system enter the surface detection system to be detected, and when the surface detection system recognizes that the plates have stripe color difference defects, relevant information of the stripe color difference defects and size information of the steel plates are sent to the control system; and S2, the control system controls a compensation cleaning system to carry out compensation cleaning on the stripe color difference defect according to the received related information. The surface quality after cleaning is detected in real time, the fault area is found in time, the position of the fault point is locked, and compensation cleaning is conducted on the position of the fault point, so that the final cleaning effect meets the requirement of a follow-up process.

The invention discloses an abnormal operation state detection method and system for waste gas purification equipment, and relates to the field of fault detection. The method is applied to the detection equipment and comprises the following steps: acquiring multi-source sensor data of the purification equipment; calculating a fluctuation index of the multi-source sensor data, and updating the fluctuation index to a preset fault influence relation graph; determining a plurality of abnormal equipment nodes according to the fluctuation indexes of the plurality of equipment nodes; traversing the fault influence relation graph by taking the plurality of abnormal equipment nodes as starting points to obtain a plurality of fault chains; calculating chain responsibility degrees of the plurality of fault chains, and determining the fault chain with the maximum chain responsibility degree as a root cause result; and the root cause result is output to an equipment management interface, so that troubleshooting personnel can rapidly troubleshoot abnormal causes. By implementing the technical scheme provided by the invention, the problem of low troubleshooting efficiency caused by various and complex fault types of the waste gas purification equipment is solved.

The invention provides an acoustic signal-based fault early warning method for a pneumatic sand blasting machine for aluminum profile processing, which relates to the field of fault early warning, and realizes high-precision early warning for the fault of the pneumatic sand blasting machine by fusing acoustic signals and vibration signals and constructing a multi-dimensional energy difference model and a linkage interference index system. The method is especially suitable for abnormal recognition and fault diffusion monitoring in a complex environment in the aluminum profile machining process. By constructing the fault evolution matrix and the high-risk path chain, the propagation trend of disturbance is effectively captured, so that the time-space evolution characteristics of the fault can be recognized and quantified in real time, and the operation stability of the sand blasting equipment and the perspectiveness of fault prediction are remarkably improved.

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 discloses blade cutting equipment, the disclosed blade cutting equipment comprises an equipment frame, a transmission device and a cutting device, the equipment frame comprises a first frame body and a second frame body, the first frame body is movably connected with the second frame body, so that the equipment frame is switched between an unfolded state and a folded state, and the transmission device is connected with the cutting device. The conveying device is arranged on the first frame body, and the cutting device is arranged on the second frame body. Under the condition that the equipment rack is in the unfolded state, the conveying device and the cutting device are distributed in the unfolded plane of the equipment rack at intervals, the conveying device is used for conveying blades to be cut, and the cutting device is used for cutting the blades to be cut; and under the condition that the equipment rack is in the folded state, the conveying device moves to the position above the second frame body along with the first frame body. According to the scheme, the problem that blade cutting equipment adopted in the undisclosed technology is inconvenient to transport can be solved.

The utility model provides a surface pretreatment device for steel plate processing, which relates to the technical field of steel plate processing and comprises a base, a support beam is fixedly mounted on the top surface of the base, a cylinder is fixedly mounted on the top surface of the support beam, a sand blasting cavity is mounted at the output end of the cylinder, and the bottom surface of the sand blasting cavity is communicated with a sand blasting gun. And the top face of the sand blasting cavity communicates with a material guiding pipe and a draught fan, the top face of the base is rotationally connected with a rotating column, and a steel plate fixing table is fixedly installed at the top end of the rotating column. The steel plate fixing table is driven to rotate through a transmission mechanism of the worm and the worm wheel, so that a steel plate can uniformly rotate in the sand blasting process, the surface of the steel plate can be in full contact with sand blasting, insufficient sand blasting in a local area is avoided, and the overall rust removal effect is improved; and the rotating steel plate fixing table enables the sand blasting spray gun to cover the whole surface of the steel plate in a more efficient manner, so that the sand blasting operation time is shortened, and the working efficiency is improved.

The invention relates to the technical field of variable frequency motor control, and discloses an energy consumption optimization regulation method for a variable frequency motor of a shot blasting machine, which comprises the following steps of: acquiring a real-time current signal of the motor, and converting an endogenous high-frequency ripple form into a discrete gear signal reflecting a mechanical load through a signal processing module; according to the invention, the dependence on an external load sensor is eliminated, the adjustment basis is completely established on the electromagnetic characteristics of the motor, the control precision is improved, and the control precision is improved. Not only is the failure risk caused by sensor faults avoided structurally, but also response delay of traditional feedback control is replaced by an instantaneous feedforward mode in control logic, and close following of energy consumption and load is achieved.

The invention discloses a multi-stage deburring device which comprises a high-pressure water deburring mechanism, a water sand deburring mechanism and a water sand recycling mechanism. The high-pressure water deburring mechanism is used for conducting rough deburring on a workpiece, and the water sand deburring mechanism is used for conducting fine deburring on the workpiece. The water-sand recovery mechanism is communicated with the high-pressure water deburring mechanism and the water-sand deburring mechanism, receives burrs and a water-sand mixture, separates the burrs, water and sand grains, and re-supplies the water and the sand grains to the high-pressure water deburring mechanism and the water-sand deburring mechanism for use; according to the deburring device, rough deburring is conducted through the high-pressure water deburring mechanism, fine deburring is conducted through the water sand deburring mechanism, the multi-angle control mechanism is combined, burrs on the surface of a workpiece can be removed in an omnibearing and dead-corner-free mode, and the deburring efficiency and quality are effectively improved. And secondly, the equipment adopts the conveying belt to realize automatic production, so that manual intervention is reduced, and the production efficiency is improved.

The invention provides a detection, grinding and sand blasting integrated platform for a small complex workpiece. The detection, grinding and sand blasting integrated platform comprises a platform body, a grabbing robot is installed on the table body, and a feeding conveying line, a first visual detection mechanism, a grinding station and a sand blasting station are arranged on the periphery of the grabbing robot. A second visual inspection mechanism is arranged on one side of the polishing station; the grinding station comprises a movable seat used for carrying workpieces, and the movable seat is connected with a translation mechanism. A cleaning assembly is slidably mounted in the polishing station, the cleaning assembly is connected with a locking mechanism, a supporting frame is fixed to the movable seat, and a connecting mechanism is mounted on the supporting frame and used for being connected with the locking mechanism; an unlocking part is arranged on the connecting mechanism; the cleaning assembly is connected with a reset part. The equipment integrates the functions of detection, grinding and sand blasting, one-stop machining of workpieces is achieved, and manual circulation among multiple pieces of equipment is not needed. And meanwhile, based on a visual detection result, self-adaptive polishing path planning is carried out, and a polishing track can be dynamically generated according to the defect type and position.

The invention discloses automatic high-pressure water and sand deburring equipment which comprises a conveying line, a high-pressure water deburring mechanism, a water and sand deburring mechanism and a cleaning mechanism. The conveying line is used for conveying workpieces to be cleaned to the high-pressure water deburring mechanism, the water sand deburring mechanism and the cleaning mechanism in sequence. The high-pressure water deburring mechanism conducts rough deburring on the workpiece, the water sand deburring mechanism conducts fine deburring on the workpiece, and the cleaning mechanism removes water sand remaining on the surface of the workpiece. According to the deburring device, rough deburring is conducted through the high-pressure water deburring mechanism, then fine deburring is conducted through the water sand deburring mechanism, the multi-angle control mechanism is combined, burrs on the surface of a workpiece can be removed in an omnibearing and dead-corner-free mode, and the deburring quality and efficiency are effectively improved; the equipment is provided with a water and sand recovery mechanism, burrs, water and sand can be filtered and recovered, cyclic utilization of resources is achieved, the production cost is reduced, and the influence on the environment is reduced.

The invention relates to the technical field of metal processing and manufacturing, and discloses a precision stamping and forging integration method which comprises the following steps: step 1, establishing a workpiece three-dimensional parameterized model, and predicting material flow stress distribution; 2, a servo motor is adopted to drive a punching machine, and the temperature of a die is kept at 80 + / -5 DEG C in the punching process; thirdly, the workpiece is placed in the environment with the vacuum degree smaller than or equal to 1 * 10 Pa; step 4, adopting a gradient cooling process, firstly keeping in a nitrate bath at 180-220 DEG C for 5-8 minutes, and then cooling to room temperature at the rate of 30-50 DEG C / s; and fifthly, the surface roughness Ra is smaller than or equal to 0.6 micrometer through micro shot blasting treatment. Through the synergistic effect of three-dimensional modeling and a dynamic compensation mechanism, in combination with laser online detection and high positioning precision of a feeding mechanism, dynamic control over a die gap, real-time monitoring of the workpiece size and accurate prediction of material flow stress distribution are achieved, the problems of tearing belts and size fluctuation of traditional stamping parts are solved, and the production efficiency is improved. And the product assembly precision and batch consistency are ensured.

The invention relates to the technical field of residual stress regulation and control of castings, in particular to a device and a method for regulating and controlling residual stress of a casting after heat treatment. In order to solve the problem that a common method for regulating and controlling the residual stress of the casting after heat treatment is poor in regulating and controlling effect on a stress concentration area or internal residual stress of the casting, the invention provides a device and a method for regulating and controlling the residual stress of the casting after heat treatment. The vibration aging mechanism comprises a vibration reduction platform, an elastic cushion and a vibration exciter, and the elastic cushion is fixed to the upper surface of the vibration reduction platform; the shot peening strengthening mechanism comprises two linear modules, two six-axis mechanical arms and two shot peening assemblies, the two six-axis mechanical arms are fixed to the two linear modules correspondingly, each shot peening assembly comprises a shot peening pipe, and the shot peening pipes are fixed to the tail ends of the six-axis mechanical arms. During use, the vibration aging mechanism and the shot peening strengthening mechanism are used for carrying out synchronous coupling regulation and control on the casting. The regulation and control device is simple in structure and convenient to operate.

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 utility model relates to a sectional positioning sand blasting jig, which belongs to the technical field of sand blasting jigs and is characterized in that a positioning mechanism is arranged on the outer wall of a front jig; the positioning mechanism comprises a reverse side jig movably installed on the outer wall of the front side of the front side jig, a positioning column is fixedly installed on the outer wall of the front side of the front side jig, a first filling base is fixedly installed on the outer wall of the front side of the front side jig, and a second filling base is fixedly installed on the side, close to the front side jig, of the reverse side jig; a first arc-shaped positioning seat and a third arc-shaped positioning seat are fixedly installed on the outer wall of the front side of the front jig, and a second arc-shaped positioning seat is fixedly installed on the side, close to the front jig, of the back jig. According to the segmented positioning sand blasting jig, a product is fixed and limited through the first filling base, the second filling base, the first arc-shaped positioning base and the second arc-shaped positioning base, the attaching area of the product and the jig is reduced, the sand blasting yield is increased, the production efficiency is improved, and the product has higher market competitiveness.

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 relates to the technical field of automobile part cutting, in particular to an automobile part cutting table which comprises a control cabinet, a first transferring set, a second transferring set and a lifting mechanism are arranged on the upper side of the control cabinet, a cutting assembly is arranged on the side face of the lifting mechanism, and a clamping assembly is arranged on the upper side of the control cabinet in a mirror image mode. The clamping assembly comprises an electric rotary table, a multidirectional mechanical arm and an electric clamping jaw, and clamping blocks are arranged on the side face of the electric clamping jaw in a mirror image mode. According to the cutting table module assembly, the clamping assembly and the cutting assembly are arranged, the cutting table module assembly with multi-state cutting and self-adaptive clamping can be integrated, single-laser, single-water-jet-cutter and water-laser mixed cutting operation can be carried out on spare and accessory parts made of different materials and in different shapes, meanwhile, the spare and accessory parts made of different materials and in different shapes can be adaptively clamped, and the cutting table module assembly is convenient to use. The clamped materials can be subjected to multidirectional position adjustment to be matched with cutting, in addition, independent adjustment operation can be carried out during single-laser cutting and single-water-jet cutting, and efficient and high-precision machining operation of spare and accessory parts is met.

The utility model discloses a roller way pass-type shot blasting machine, relates to the technical field of shot blasting machines, and aims to solve the problem that dust and impurities are often attached to the surface of a plate and influence the shot blasting quality when the plate is subjected to shot blasting treatment in the prior art. Conveying roller frames are symmetrically and fixedly mounted on the two sides of the shot blasting box respectively, a partition plate is fixedly mounted in the shot blasting box, a treatment chamber is arranged in the shot blasting box along one side of the partition plate, a water body distributor is arranged in the treatment chamber of the shot blasting box, and a plurality of first spray heads are fixedly mounted on one side below the water body distributor; a water conveying pipe is fixedly installed above the water body distributor, a gas distributor is arranged on one side of the water body distributor, a plurality of second spray heads are fixedly installed on one side of the lower portion of the gas distributor, a gas conveying pipe is fixedly installed above the gas distributor, and a dehumidification assembly is arranged on one side of the gas distributor.

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 utility model discloses a turntable type sand blasting device for cleaning the outer surface of a workpiece, which relates to the technical field of sand blasting devices and is characterized by comprising a sand blasting box, the outer wall of the sand blasting box is fixedly connected with a plurality of supporting blocks through supporting columns, two guide rails are fixedly mounted in the sand blasting box, and the two guide rails are fixedly connected with the sand blasting box. According to the utility model, through the arrangement of the components such as the guide rails, the electric trolley and the rotating disc, the trolley can walk and rotate, so that the position and the direction of a workpiece can be flexibly adjusted, the working efficiency is improved, the working efficiency is improved, and the working efficiency is improved. According to the sand blasting device, the rotating disc is arranged on the connecting shaft, so that the possibility that the workpiece collides with surrounding equipment and facilities is reduced, and in the sand blasting process, the rotating disc can be manually rotated around the connecting shaft through the lower hand hole according to the shape of the workpiece and the part needing to be cleaned, so that all surfaces of the workpiece can be uniformly subjected to sand blasting treatment, and the cleaning effect and comprehensiveness are greatly improved.