793 results about "Surface grinding" patented technology

The utility model provides quartz boat surface grinding and polishing equipment, which relates to the technical field of grinding and polishing and comprises a grinding and polishing component, a mounting component is arranged at the top of the grinding and polishing component, a dust collection component is arranged at one end of the grinding and polishing component, and the grinding and polishing component comprises a grinding and polishing box. The mounting assembly comprises a grinding motor, and a hydraulic lifting column is mounted at the top of the grinding motor. The pull rod is pulled outwards, so that the spring is stressed and compressed, then the mounting sleeve is arranged on the outer side of the rotating shaft in a sleeving mode, the mounting strip is promoted to be installed in the limiting groove in a sliding mode, the grinding and polishing head is conveniently installed, then the pull rod is loosened, and the spring drives one end of the pull rod to be installed in the rotating shaft through the elasticity of the spring; and limiting is facilitated, operation is convenient and rapid, the grinding and polishing head can be conveniently maintained and replaced at any time, operation convenience is improved, the equipment downtime is shortened, and working efficiency is improved.

The invention discloses laser cladding repairing equipment for an exhaust valve rod of a marine main engine. The laser cladding repairing equipment comprises a rotating mechanism, a cleaning mechanism and a repairing mechanism. The rotating mechanism adopts a plurality of stepping motors to drive friction wheels, self-centering clamping and intermittent rotation of the exhaust valve rod are achieved through a hydraulic cylinder and a plane connecting rod mechanism, it is ensured that positioning is accurate, and the rotating mechanism adapts to workpieces with different diameters. The cleaning mechanism is arranged below the rotating mechanism, a centrifugal fan is used for simultaneously driving a grinding disc to rotate at a high speed to conduct surface grinding, scrap iron is discharged in time through the negative pressure suction function of the centrifugal fan, and cleaning and dust removal are integrated. And the anti-diffusion cover and the anti-diffusion plate are matched to form a local closed area, so that dust dissipation is effectively inhibited. The repairing mechanism adopts a mechanical arm to carry a laser cladding head, the curved surface of the valve rod can be tracked with high precision, and automatic cladding is completed. The equipment integrates automatic clamping, efficient cleaning, synchronous dust removal and intelligent repairing, and the automation level, the surface treatment quality and the operation safety of repairing of the exhaust valve rod are remarkably improved.

The invention belongs to the technical field of metallurgical engineering, and relates to an intelligent guide grinding system and method for the surface of a casting blank. By arranging the parameter initialization module, the parameter compensation module and the deviation correction module, the problem of unstable grinding quality caused by grinding force fluctuation, temperature change and material difference in the casting blank surface grinding process is solved. The method specifically comprises the steps that the feeding speed is dynamically adjusted by collecting grinding force data in real time, thermal deformation compensation is conducted according to the casting blank temperature and the steel grade characteristics, the upper limit value is determined based on quantitative analysis of surface state parameters and historical standard samples, and adaptive adjustment of the next round of coping parameters is achieved. According to the method, the consistency of the grinding depth is effectively improved, the over-grinding risk in the high-temperature casting blank grinding process is prevented, closed-loop optimization and continuous improvement of the grinding process are achieved, the stability and reliability of the casting blank surface grinding quality are improved, and it is ensured that the product quality cannot be affected by surface defects in the subsequent rolling process of the casting blank.

The invention discloses a high-precision steel pipe surface grinding device and method, and relates to the technical field of high-precision steel pipe machining. The device comprises a clamping assembly, a grinding assembly is arranged on the clamping assembly, a heat dissipation assembly located below the grinding assembly is arranged on the clamping assembly, a driving assembly is arranged on the outer wall of the grinding assembly, a refrigeration power generation assembly is arranged on the grinding assembly, and a push-pull regulation and control assembly is arranged on the refrigeration power generation assembly. The clamping assembly is used for clamping and rotating the steel pipe. By using the device, in the process of grinding the outer wall of the steel pipe, the outer wall of the steel pipe is fully lubricated and cooled in the mode that the steel pipe is directly dipped in cooling liquid, so that the smoothness and quality of grinding are guaranteed, chippings generated by grinding are adsorbed by an electromagnetic iron rod, the chippings are further prevented from being attached to the outer wall of the steel pipe again, and the grinding efficiency is improved. The quality of the outer wall of the steel pipe after grinding is influenced, and the grinding quality is effectively improved.

The invention relates to the technical field of machining, in particular to a grinding wheel polishing process monitoring system. The device specifically comprises the following modules: a grinding wheel polisher is used for polishing the surface of a workpiece; the data acquisition module is used for acquiring operation parameters in the grinding wheel polishing process in real time; the data processing and analyzing module is used for processing and analyzing the acquired operation parameters; the visual monitoring module is used for carrying out visual display on the analyzed information; the intelligent adjusting module automatically adjusts operation parameters of the grinding wheel polisher according to the analysis result; and the fault detection alarm module is used for detecting abnormal conditions in the grinding process and sending out an alarm signal. The novel grinding wheel polishing process monitoring system provided by the invention has the functions of comprehensive data acquisition, real-time data processing and analysis, intelligent fault detection and alarm, friendly user interaction interface and remote monitoring and alarm, and has important practical significance for improving the efficiency, quality and safety of the polishing process.

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 belongs to the technical field of numerical control machining, and discloses a numerical control machining tool path regulation and control method and system based on a dynamic coordinate system and overcut pre-judgment. The method aims at the problems that in complex curved surface grinding, due to static programming, tracks and poses are disjointed, and the overcut risk is difficult to control in time. The method comprises the steps that a dynamic coordinate system updated along with a tool edge line in real time is constructed, and design coordinates are mapped to the coordinate system; a sampling point is preset in the neighborhood of a grinding wheel theoretical contact point, and the theoretical distance and the actual distance between the sampling point and the axis of the grinding wheel are quantitatively calculated to achieve intelligent pre-judgment of the overcut risk before machining; and when it is judged that the risk exists, differentiated grinding wheel dynamic deflection angle correction is triggered in a grading mode according to the overcut occurrence position, and a perception pre-judgment correction closed loop is formed till the risk is eliminated. Dynamic coupling and self-adaptive regulation and control of the tool path and the real-time pose are achieved, and the machining precision, the consistency and the process reliability are remarkably improved.

The invention belongs to the technical field of steel pipe coping, and particularly relates to a round steel surface coping device for producing seamless steel pipes, which constructs a deflection dynamic compensation mechanism aiming at ultra-long round steel through cooperation of an electric telescopic rod of a knife rest, a driven wheel component and a driving wheel component. When radial run-out caused by deflection is detected, the deformation amount is offset through precise stretching and retracting; the driven wheel component and the driving wheel component form a double-fulcrum stable supporting structure, so that the swing amplitude of the round steel during rotation is reduced; the mounting rigidity of the tool rest is strengthened through the main supporting plate, excessive feeding is limited through the limiting block, stable clamping of the grabbing fingers and the pneumatic finger fixing plate is matched, and vibration in the coping process is effectively restrained. According to the mechanism, the deflection problem of the rigid grinding rod is thoroughly solved, the grinding depth uniformity of the super-long pipe is improved, the abnormal loss of a tool and the adhesion of chippings are reduced, the rejection rate is remarkably reduced, and the operation efficiency is improved.

The invention relates to the technical field of cylindrical workpiece outer surface grinding, in particular to a round stone column grinding positioning device which comprises a supporting frame, grinding equipment and third driving equipment, the third driving equipment is installed at the bottom of the supporting frame, and the grinding equipment is installed on the third driving equipment and used for grinding the outer surface of a cylindrical workpiece. The clamping mechanism is mounted in the supporting frame and is used for positioning before clamping; the adjusting mechanism is mounted in the moving end of the positioning mechanism; the driving mechanisms are mounted in the supporting frame and used for driving the moving ends of the positioning and adjusting mechanisms; the adjusting mechanism comprises a moving assembly, a rotating assembly, a linkage assembly, an adjusting assembly, a spraying assembly, a lifting frame and a supporting plate. When the outer surface of the cylindrical workpiece is ground, the spraying head with the large spraying range is selected, when the groove in the outer surface of the cylindrical workpiece is ground, the spraying head with the high impact force and the small spraying range is switched, and therefore chippings in the groove are flushed out.

The invention discloses a gallium oxide substrate surface grinding morphology prediction method and system, and relates to the technical field of nondestructive testing, and the method comprises the steps: collecting a surface fluorescence distribution image, matching the surface fluorescence distribution image with a pre-constructed fluorescence-crack mapping database, and generating a two-dimensional crack depth distribution cloud picture; marking a risk area coordinate set in the two-dimensional crack depth distribution cloud picture based on a preset crack depth threshold value; inputting the risk area coordinate set into a Bessel beam chromatography scanner for multi-angle transmission type scanning, synchronously collecting scattering images generated by scanning, and fusing the scattering images to generate a subsurface damage three-dimensional model; and performing data registration and weight superposition on the two-dimensional crack depth distribution cloud picture and the subsurface damage three-dimensional model, and outputting a morphology prediction report and grinding process optimization parameters. The subsurface damage three-dimensional model is constructed through the Bessel beam tomography scanning and multi-angle scattering image fusion technology, and high-resolution visual reconstruction of microcracks and damage distribution in the gallium oxide substrate is achieved.

The invention relates to the technical field of bearing machining, in particular to bearing outer surface grinding equipment for bearing machining and a using method, the bearing outer surface grinding equipment comprises a machine table serving as a mounting base, and a supporting plate is arranged on the machine table. According to the bearing outer surface grinding equipment for bearing machining and the using method, through the collaborative design of the bimetallic strip and the offset bush, heat transfer triggers the bimetallic strip to be heated and unfolded, the guide wheel is pushed to axially displace along the conical offset bush and achieve radial offset, the displacement amount for enlarging the grinding gap is in direct proportion to temperature rise, and the grinding efficiency is improved. By means of thermal induction linkage of the temperature guide pin, the thermosensitive liquid and the cylinder sleeve, the temperature guide pin is heated to promote the thermosensitive liquid to expand during thermal expansion of the workpiece, the supporting plate is pushed to automatically lift, so that a contact point of the workpiece moves upwards, an effective grinding gap is expanded in a disguised mode, and dual adjustment is formed with radial deviation of the guide wheel. The thermal expansion change of the workpiece is further adapted, and the grinding resistance and the workpiece damage risk are reduced.

The invention relates to the technical field of grinding machine tools, in particular to an airspace engine directional blade tenon bottom face grinding machine tool which comprises a clamping device for clamping a directional blade, a belt sander, a portal frame, a horizontal sliding system, a lifting mechanism and a cushion block arranged below a sanding belt. The cushion block provides rigid support for the abrasive belt, and an oil storage tank with an oil absorption roller is arranged above the cushion block for automatic lubrication. And the horizontal sliding system and the lifting mechanism on the portal frame drive the clamping device and the directional blade to realize feeding movement. The problem that abrasive belt suspended grinding is unstable is solved through rigid supporting and automatic lubricating, manual grinding is replaced with mechanical operation, and therefore the machining precision and efficiency of the tenon bottom face of the directional blade are remarkably improved, the rejection rate and the labor-hour cost are reduced, and reliable assembly of the directional blade and a wheel disc is guaranteed.

The invention relates to the technical field of aspherical lens machining, in particular to an edge milling device for aspherical lens machining, which comprises a clamping assembly, a first milling assembly and a second milling assembly, the milling assembly comprises a milling cutter for grinding the edge of the aspherical lens and a grinding rod for grinding the surface of the aspherical lens; the fixing assembly is used for fixing the milling cutter and the polishing rod; the protection assembly is arranged outside the clamping plates in a sleeving manner and is used for surrounding the lens between the two groups of clamping plates; the grinding device has the beneficial effects that through cooperation of the bolts and the mounting plates, the grinding rods are mounted on one sides of the clamping plates, then the lens is adsorbed to the other set of clamping plates, surface grinding of the aspheric lens is achieved, when the edge of the aspheric surface needs to be ground, the lens is clamped through the clamping assemblies, a milling cutter is driven by the connecting rods to be inserted between the two sets of clamping plates, and grinding is achieved. The edge of the aspherical lens is ground, all-directional grinding machining of the aspherical lens can be achieved without replacing equipment, and the production efficiency is improved.

The utility model relates to a graphite material surface grinding device for a high-end semiconductor, which comprises an operating platform, a supporting seat arranged on the rear side of one end of the top surface of the operating platform, a supporting plate arranged on the rear side of the supporting seat, a first motor and a speed reducer arranged on the supporting plate, and an output shaft of the first motor fixedly connected with an input shaft of the speed reducer. An output shaft of the speed reducer faces forwards and is rotationally connected with the supporting base, the front end of the output shaft penetrates through the supporting base and is fixedly connected with a three-jaw chuck, a guide rail is fixedly arranged at the other end of the top face of the operation table in the front-back direction, an electric sliding block is slidably arranged on the guide rail, and a vertical plate is fixedly arranged on the top of the electric sliding block. A single-rod hydraulic cylinder is fixedly arranged on the upper portion of the vertical plate in a horizontal penetrating mode in the left-right direction, a piston rod of the single-rod hydraulic cylinder faces the direction where the three-jaw chuck is located and is fixedly connected with a second motor, an output shaft of the second motor faces forwards and is fixedly connected with a base, and grinding plates are detachably connected to the left side and the right side of the base. The high-purity graphite material grinding device can be used for automatically grinding columnar high-purity graphite materials, and is more convenient and practical.

The invention relates to the technical field of wood carving processing equipment, in particular to a curved surface grinding device for wood carving, which comprises a mechanical arm, an adjusting module is arranged at one end of the mechanical arm, a grinding module is arranged on one side of the adjusting module, a controller is arranged on the outer side of the mechanical arm, and a pressure sensing module is integrated in the grinding module. A visual detection module is arranged above the adjusting module, the controller is used for receiving data fed back by the pressure sensing module and the visual detection module and issuing a control instruction to the mechanical arm, the grinding module and the adjusting module, and the mechanical arm is used for adjusting the position of the grinding module. The adjusting module is used for adjusting the feeding speed of the grinding module and the rotating speed of the grinding module. The pressure sensing module is used for measuring the normal contact pressure between a grinding head of the grinding module and the surface of the woodcarving workpiece. The grinding force is intelligently adjusted by sensing the contact pressure between the grinding head and the wood surface, the force control problem is solved, and the conditions of excessive grinding and insufficient grinding during grinding are prevented.

The invention provides a grinding device and method for a valve body sealing face, and belongs to the technical field of valve body grinding. The grinding device for the valve body sealing face comprises a lifting table, a first stepping motor is arranged on the lifting table, and a grinding assembly is installed at the output end of the first stepping motor through a pressure sensor; the two rough grinding heads conduct rough grinding on the top sealing face of the valve body and conduct rough grinding on the inner and outer diameter sealing faces of the valve body, the two fine grinding heads conduct fine grinding on the top sealing face of the valve body and conduct fine grinding on the inner and outer diameter sealing faces of the valve body, and the polishing head conducts polishing treatment on the top sealing face of the valve body and conducts fine grinding on the inner and outer diameter sealing faces of the valve body. And the inner diameter sealing surface of the valve body is polished, so that the rough grinding head, the fine grinding head or the polishing head is close to the rotary drum in the inclined direction, the grinding outer diameter in the horizontal direction is reduced, the grinding position in the vertical direction is moved upwards, the grinding head is prevented from excessively applying pressure to grind, and the applied pressure between the grinding head and the polishing head adapts to each other.

The invention discloses a quartz tube inner hole cambered surface grinding machine tool, and relates to the technical field of grinding equipment, the quartz tube inner hole cambered surface grinding machine tool comprises a three-axis adjusting mechanism, the adjusting end of the three-axis adjusting mechanism is fixedly connected with a fixing plate, the side face of the fixing plate is fixedly connected with a grinding mechanism, and one side of the grinding mechanism is provided with a fixing mechanism; the device further comprises a cooling liquid cooling mechanism, a dry ice cooling mechanism and a detection mechanism. According to the cooling device, liquid is supplied to the pipeline connecting frame through the liquid supply assembly and the first connecting pipe, spraying cooling is conducted through the multiple nozzles evenly distributed on the periphery of the grinding mechanism, and the reciprocating mechanism drives the nozzles to swing so that the cooling coverage range can be further expanded; the dry ice cooling mechanism supplies dry ice to a spraying pipeline assembly through a dry ice spraying assembly and a second connecting pipe to assist in cooling, the dual-cooling system effectively solves the problem that an existing single cooling mode is insufficient in coverage, local high temperature can be guided out in time, and the situation that a quartz tube is deformed due to uneven thermal stress is avoided.

The invention provides a large-size CVD (chemical vapor deposition) polycrystalline diamond film surface grinding method, belongs to the technical field of diamond material processing, and aims to solve the technical problems of low CVD polycrystalline diamond chemical mechanical grinding and polishing efficiency and high consumption. The preparation method comprises the following steps: firstly, carrying out graphical processing on the surface of a CVD polycrystalline diamond film by adopting a laser processing method, then plating diamond micro-powder with a nano-thickness catalyst layer, then mixing the diamond micro-powder with the catalyst layer and an oxidizing agent to obtain a grinding liquid, then grinding the polycrystalline diamond film, and finally carrying out annealing treatment to obtain the polycrystalline diamond film with the nano-thickness catalyst layer. And further obtaining the polycrystalline diamond film with low internal stress and nanoscale roughness on the surface. According to the method, the processing efficiency of the polycrystalline diamond film can be improved to a great extent and the surface roughness can be reduced through the surface patterning of the CVD polycrystalline diamond film, the plating of the diamond micro-powder catalyst layer and the grinding fluid preparation coupled grinding processing effect.

The invention discloses square silicon rod grinding equipment which comprises a machine base provided with a grinding guide rail extending in the transverse direction, and the grinding guide rail comprises a first section used for transversely placing a square silicon rod so that face grinding operation can be executed and a second section used for transversely placing the square silicon rod so that angle grinding operation can be executed; the surface grinding device is correspondingly arranged in the first section, is used for performing surface grinding operation on the square silicon rod, and comprises a surface grinding carrier which is used for clamping two ends of the square silicon rod and can transversely move along a grinding guide rail, and a first surface grinding main shaft and a second surface grinding main shaft which are respectively arranged on two opposite sides of the grinding guide rail and are used for performing surface grinding operation on two opposite side surfaces of the square silicon rod; the angle lapping device is correspondingly arranged in the second section, is used for carrying out angle lapping operation on the edges of the two opposite sides of the square silicon rod, and comprises an angle lapping carrier for laterally supporting the square silicon rod to transversely move along the grinding guide rail; and the first and second angle lapping spindles are respectively arranged on two opposite sides of the grinding guide rail and are used for carrying out angle lapping operation on two opposite side edges of the square silicon rod.

The present application relates to a kind of low roughness roll surface grinding control method, comprising the following steps: (1) confirming the roll diameter is between 240-260mm;(2) roll surface middle position temperature is less than 35 degrees after grinding;(3) using 320# grinding wheel grinding to surface roughness Ra≤0.25um;(4) using 500# grinding wheel grinding to surface roughness Ra≤0.05um;(5) using 1000# grinding wheel grinding to surface roughness Ra≤0.015um;(6) to 1000# grinding wheel is refined;(7) again using 1000# grinding wheel grinding to surface roughness Ra≤0.015um;(8) using graphite grinding wheel polishing to surface roughness Ra≤0.015um;(9) testing roll surface.The low roughness roll surface grinding control method of the present application uses 320#, 500#, 1000#, graphite grinding wheel four kinds of grinding wheel to grind roll, optimizes the parameter in grinding process, and the mirror surface roll surface roughness obtained by processing is low, less than 0.015um, and the surface quality is high, uniformity is good, and grinding mark is less;At the same time, process control difficulty is small, and operability is strong.

The invention discloses a gantry type cylindrical surface grinding miller, and relates to the technical field of cylindrical mirror grinding, the gantry type cylindrical surface grinding miller comprises a rack, a bearing table is fixedly mounted in the rack, a first moving seat is mounted at the top of the rack, and transverse driving parts are mounted at the two ends of the first moving seat; a longitudinal driving part is installed on one side of the first moving seat, a second moving seat is installed on the other side of the first moving seat, a lifting driving part is installed in the second moving seat, a grinding tool replacing frame is arranged at the front end of the rack, and a transmission assembly is installed at the top of the grinding tool replacing frame. Accurate positioning of movement of the grinding tool on the connector and accurate control over the grinding speed can be achieved, the grinding requirement of cylindrical mirrors of any size can be met, the matching relation between the rotating speed of the main shaft and the moving speed of the grinding tool can be automatically adjusted, it is guaranteed that the optimal grinding condition is kept all the time in the grinding process, and the phenomenon of uneven grinding is avoided.

To appropriately correct the thickness unevenness of a workpiece caused by a difference between a shape formed on an upper surface of the workpiece by grinding and a shape formed on an upper surface of a chuck table by self-grinding.SOLUTION: A grinding method using a grinding device which comprises a chuck table and a grinding mechanism provided with a rotating grinding wheel, and moves the grinding wheel and the chuck table relatively to each other along a grinding surface, includes: a holding surface grinding step of performing self-grinding of the chuck table; a Z-axis movement setting step of setting a value relating to movement of the chuck table, or an inclination angle setting step of setting either an inclination angle of the grinding wheel or the chuck table; and a workpiece grinding step of grinding the workpiece under the settings made in the inclination angle setting step.SELECTED DRAWING: Figure 6

The utility model relates to the technical field of spring end grinding, in particular to a spring end face grinding device which comprises a bottom plate, a side plate is installed at the position, close to one side, of the top end of the bottom plate, a motor is installed on the outer side of the side plate, the output end of the motor is in transmission connection with a screw rod, and a limiting disc is installed at the position, close to the middle, of the inner side of the side plate. Sliding grooves are formed in the positions, close to the two ends, of the inner sides of the side plates correspondingly, the inner walls of the two sides of each sliding groove and one end of a sliding rod are installed, a rotating disc is movably connected to the outer surface of the screw in a screwed mode, and an abutting disc is installed on the inner side of the rotating disc. Through the arrangement of parts such as a side plate, a motor, a screw rod, a limiting disc, a sliding groove, a sliding rod, a mounting plate, a rotating disc, an abutting disc, a shifting block, an electric push rod, an arc-shaped plate, a grinding rod, a sliding column and a penetrating groove, the problems that in the prior art, surface grinding is generally conducted in a manual mode, and the machining perpendicularity and roughness cannot be guaranteed through the manual grinding mode; the quality is difficult to guarantee, and the production efficiency is low.

The utility model provides automobile brake pad back plate surface polishing equipment, which belongs to the technical field of automobile part machining and comprises a machining table, a polishing mechanism and a dust fall collecting mechanism. The machining table provides stable supporting, the dustproof frame isolates scrap iron and dust generated during grinding, the fixing base is convenient to assemble and disassemble through the sliding rail and the handle, and the fixing groove ensures accurate positioning of the brake pad. The grinding mechanism drives a grinding roller through a servo motor and cooperates with an electric air cylinder to push a mounting frame to move, and efficient and automatic grinding is achieved. The dust fall collecting mechanism sprays water mist through an annular pipe and an atomizing spray head to adsorb dust, dust-containing liquid is guided to a collecting frame through a drainage hole and a drainage channel, scrap iron is separated through a filtering frame, and the dust is discharged in order through a drainage opening. Therefore, the problems that according to traditional grinding equipment, scrap iron flies, the health of workers is harmed, and cleaning is tedious are solved.

The invention relates to the technical field of bearing production and machining, and discloses a multi-surface grinding and polishing device for bearing production, which comprises two sliding plates, a rotating motor is arranged on one side of one sliding plate, a first bevel gear is arranged on an output shaft of the rotating motor, and a plurality of second bevel gears are meshed with the periphery of the first bevel gear. Threaded sleeves are fixedly arranged at the center shafts of the multiple second bevel gears correspondingly, adjusting screw rods are in threaded connection with the interiors of the threaded sleeves, arc-shaped blocks are arranged at one ends of the adjusting screw rods, first grinding blocks and first polishing wheels are arranged on the arc-shaped blocks, and multiple arc-shaped plates are rotationally arranged on the other sliding plate. The arc-shaped blocks are driven to be synchronously adjusted through transmission of the bevel gears, inner rings with different diameters can be adapted, grinding and polishing are synchronously completed, outer rings with different sizes are adapted by means of relative sliding of the arc-shaped plates, workpieces do not need to be disassembled and assembled multiple times, the machining period is greatly shortened, and the overall efficiency is improved.

The invention discloses a power maintenance tool surface polishing and flattening device which comprises a base and a cross beam arranged on the base, the cross beam is connected with the base through a supporting column, a first driving motor is installed above the cross beam, and a top clamping structure is installed below the cross beam. The driving end of the first driving motor is connected to the top clamping structure and used for clamping the upper end of a grinding piece, a grinding structure is arranged on the side face of the supporting column, a workbench is arranged on the base, and an annular sliding way is arranged on the portion, located on the edge of the workbench, of the base. Through cooperation of the lower clamping structure, the top clamping structure and the grinding structure, a maintenance tool can be correspondingly clamped, the lower clamping structure and the top clamping structure can be correspondingly adjusted according to the size of the maintenance tool, and the workbench can rotate according to the supporting column and the cross beam, so that the maintenance tool can be conveniently and rapidly ground. And the outer side face of the maintenance tool is rotationally polished, and a user can conveniently use the maintenance tool.

The application provides a mechanical manufacturing output shaft surface grinding device, and relates to the grinding field. The mechanical manufacturing output shaft surface grinding device comprises a rack, a clamping and rotating mechanism for clamping and driving the rotation of an output shaft, a grinding wheel for grinding the surface of the output shaft, an elliptical profile of the grinding wheel enables the grinding wheel to form a point contact with the surface of the output shaft, a fixing frame fixed relative to the rack, and a connecting piece rotatably installed on the fixing frame. The mechanical manufacturing output shaft surface grinding device adopts an elliptical grinding wheel to realize a point contact grinding mode, so that the grinding wheel is always single-point attached to the output shaft, the grinding area is open, and the grinding dust is removed by cooperating with the cooling liquid and the flexible magnetic dust collection device, thereby avoiding the surface scratches and the pulling caused by the grinding dust being rolled into and crushed, greatly improving the surface quality of the workpiece, and the elliptical grinding wheel can swing with the grinding depth to form a continuously changing point contact, thereby reducing the single-point grinding force and the thermal stress concentration.

This invention discloses a method for installing a grating sensor for wind turbine blade testing, comprising: positioning, marking, surface grinding, cleaning of the bonding surface, ablation treatment of the bonding surface, ablation cleaning of the bonding surface, ablation treatment of the sensor, ablation cleaning of the sensor, surface treatment of the bonding surface, bonding of the sensor, cleaning after bonding, installation of the outer surface protective layer, and fixing and protecting the connecting optical cable. Compared with existing processes, the sensor installed using the method of this invention has a longer service life, shorter installation time, and lower auxiliary material consumption, thereby improving the efficiency of wind turbine blade testing preparation and reducing labor and material costs.

The utility model discloses a material conveying device for a flour milling machine, which comprises a support frame, a plurality of conveying belts and a raw material hopper, the two sides of the conveying belts are fixedly connected with the inner side of the support frame, the raw material hopper is fixedly arranged on the surface of the conveying belts, and the conveying belts are distributed at equal intervals. The top of the right side of the supporting frame is fixedly connected with an extension rod, and the right side of the inner side of the extension rod is fixedly connected with a dust suction pipe. Through the arrangement of the dust collection pipe, when raw materials in the raw material hopper are poured into the flour milling machine, the collection mechanism is started, the dust collection pipe generates suction force, raised dust generated when the raw materials in the raw material hopper are poured out is sucked by the dust collection pipe, raised dust diffusion is restrained, and the problem that when the raw materials in the raw material hopper are poured into the flour milling machine, raised dust mixed in flour raw materials can generate raised dust, and the dust collection efficiency is improved is solved. The dust suppression device solves the problem that the existing dust suppression device severely affects the quality of surrounding air and environmental sanitation, so that the dust can be inhaled into respiratory tracts and lungs by surrounding workers to cause infection hazards, and achieves the effect of suppressing dust raising.

According to the integrated clamp for grinding and detecting the lap joint surfaces of the graphite multi-valve rings, lap joints are arranged at the two ends of each graphite ring, the integrated clamp comprises a base, a measuring piece and a fixing block, a positioning mandrel is arranged in the center area of the top face of the base, the outer ring size of the positioning mandrel is matched with the inner ring surface of the whole graphite ring, and the measuring piece is arranged on the inner ring surface of the whole graphite ring. A plane notch is formed in any diameter direction, the length of the notch is matched with the length of the fixing block, and the plane notch is used for installing the fixing block; the fixing block is used for installation of a measuring piece, the meter reading end of the measuring piece is far away from the positioning mandrel, the measuring end of the measuring piece faces the positioning mandrel and is provided with a movable meter head, and an avoiding groove is formed in the position, between the fixing block and the position adjacent to the positioning mandrel, of the base. The avoiding groove can ensure that the measuring end of the measuring piece and the positioning mandrel are in the same axial direction, so that the gauge outfit can be in contact with the lap joint, and the use efficiency is improved.