13347results about "Grinding work supports" patented technology

The invention belongs to the technical field of other metal machining machinery manufacturing, and particularly relates to pipeline inner wall grinding equipment which comprises a machine body, a first guide rail is fixedly connected to the upper surface of the machine body, a first guide groove is formed in the first guide rail, and two sliding tables are slidably connected into the first guide groove; a storage box is fixedly connected to the upper surface of one sliding table, a first hydraulic cylinder is fixedly connected to one side of the storage box, a grinding wheel is arranged at the output end of the first hydraulic cylinder, a positioning table is fixedly connected to the upper surface of the other sliding table, and a limiting ring and a limiting plate are fixedly connected to one side of the positioning table. A limiting groove is formed between the limiting plate and the limiting ring, a grinding assembly is arranged on one side of the first hydraulic cylinder and comprises a motor fixedly connected to the output end of the first hydraulic cylinder, and a positioning disc is fixedly connected to one side of the motor. The problem that metal dust generated during grinding is accumulated on the inner wall of the pipeline, and the pipeline grinding quality is affected is solved.

The invention relates to the field of valve machining, in particular to an inner wall grinding device for valve machining. The inner wall grinding device for valve machining comprises a workbench. The horizontal moving assembly is correspondingly installed in two moving grooves formed in the top of the workbench, and the horizontal moving assembly can move in a reciprocating mode in the length direction of the moving grooves; and the grinding piece is arranged above the horizontal moving assembly, and after the horizontal moving assembly drives the grinding piece to stretch into the inner cavity of the valve, the grinding piece can conduct grinding operation on the inner wall of the valve. According to the inner wall grinding device for valve machining, a first electric push rod in a contraction piece drives an adjusting rod to move, the included angle of a contraction rod is changed in cooperation with a traction rod, an abutting piece and a grinding piece can be driven to expand or contract in the radial direction, the radial opening amplitude of a mounting plate is flexibly adjusted, and the inner wall grinding device can meet the grinding requirements of valves with different inner diameter specifications; the polishing assembly does not need to be replaced frequently, and operation cost and time cost are reduced.

The invention provides integrated multifunctional grinding equipment which comprises a plurality of multi-shaft clamping devices used for clamping parts and capable of driving the parts to be close to or away from a grinding device, and further comprises at least one rotating disc, a first drive and a second drive. The multiple multi-shaft clamping devices are symmetrically arranged on the periphery of the rotary disc. A plurality of polishing devices are symmetrically and detachably arranged on the rotary disc in the circumferential direction of the rotary disc. The first driver is arranged on the base and can synchronously drive the grinding pieces of the multiple grinding devices to rotate. The second driver can drive the rotating disc to rotate, and then the grinding device is driven to rotate at the circumferential position. Through the arrangement of the vertical rotating disc, vertical switching of the grinding devices is achieved, a plurality of multi-shaft clamping devices can be arranged on the periphery of the rotating disc, synchronous grinding machining of a plurality of parts is achieved, the situation that one grinding device works and other grinding devices are idle is avoided, the utilization rate of the grinding devices is greatly increased, the machining efficiency is improved, and large-batch production can be achieved.

The invention provides a curved surface profiling polishing device and process based on force rheology and a chemical synergistic effect. The device comprises a bottom box body, a driving motor and a main shaft are arranged in the bottom box body, and a polishing head with a profiling tool is installed on the main shaft and is immersed in a polishing solution with a specific formula. A lead screw module is arranged at the top of the box body and used for accurately controlling the position and posture of the curved-surface workpiece, the outer contour surface of the polishing tool is matched with the curved surface of the workpiece in height, and efficient profiling polishing is achieved. According to the device, the stability and efficiency of force rheological polishing are improved by optimizing the structural design and improving a polishing solution system. Especially, through height matching of the profiling polishing tool and the curved surface of the workpiece, the technical bottlenecks that a traditional method is difficult to adapt to complex curved surfaces and polishing quality is difficult to guarantee are effectively broken through. And by optimizing polishing parameters, nanoscale precision machining of the surface of the curved-surface workpiece is achieved, and the surface quality is remarkably improved.

The application relates to the technical field of stone cutting equipment, in particular to high-efficiency stone wire saw cutting equipment, which is characterized by comprising a mounting frame, a lifting frame, a lifting driving mechanism, a stone clamping and placing mechanism and a wire saw cutting mechanism, the lifting frame is arranged in the mounting frame and is slidably connected to the mounting frame through a first sliding assembly, the lifting driving mechanism is arranged on the mounting frame and is used for driving the lifting frame to lift, the stone clamping and placing mechanism is arranged below the lifting frame and is used for clamping and placing a stone body, and the wire saw cutting mechanism is arranged on the lifting frame. The application can effectively reduce the wire breaking probability of the cutting wire, the threading overhauling after wire breaking is relatively convenient, and the consistency of the tension among the multiple cutting wires can be effectively ensured.

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 discloses an all-dimensional grinding machine suitable for a long and thin pipe. The all-dimensional grinding machine comprises a rack, a contour grinding unit, an end face grinding unit and an inner hole grinding unit. On one hand, on the basis of position switching of the lower pressing wheel, the two contour grinding heads are used for grinding the slender pipe in sequence, grinding dead angles are effectively eliminated, contour grinding forming of the slender pipe can be achieved through one-time clamping, operation is easy, and the grinding efficiency is high; on the other hand, based on cooperation of the two contour grinding heads, positioning limitation can be synchronously formed in the axial direction of the slender pipe during grinding, axial deviation generated by contour grinding of the slender pipe is effectively reduced, comprehensive covering type grinding is achieved, the position precision of the slender pipe after contour grinding is ensured, the end face and an inner hole of the slender pipe can be conveniently and accurately ground in the follow-up process, and the grinding efficiency is improved. Therefore, the all-dimensional burr removal rate of the slender pipe is improved.

The invention discloses sintered neodymium-iron-boron magnet grinding machining equipment, and relates to the technical field of neodymium-iron-boron magnet machining, the sintered neodymium-iron-boron magnet grinding machining equipment comprises a machining table, the machining table is provided with a grinding assembly, a clamping assembly, a steering adjusting assembly and a cooling assembly, and the clamping assembly is used for clamping a magnet body; the grinding assembly is used for achieving grinding machining of a magnet body, the steering adjusting assembly is used for achieving rotation of the magnet body and achieving multi-directional machining of the magnet body in a matched mode, and the cooling assembly is used for cooling treatment when the magnet body is machined, so that machining is more stable. A plurality of through grooves are formed in the machining table, and a waste collecting assembly is arranged in the machining table and used for collecting machined waste. The problems that in the prior art, a grinding mechanism is directly driven by a feeding mechanism to conduct grinding, the microstructure of a magnet is easily damaged, and the magnetic performance is reduced are solved.

The utility model relates to a clamp for accurate grinding of a right-angle measuring tool workpiece. The clamp comprises a base, a pressing plate and a top plate. The base is L-shaped, a plurality of vacuum chucks are embedded in the bottom surface of the positioning groove at intervals, and the bottom of each vacuum chuck is connected to a vacuum generator; two limiting tables are arranged on the base, supporting blocks are fixed to the tops of the two limiting tables respectively, the two ends of the top plate are fixed to the two supporting blocks respectively, guide rods arranged in the vertical direction are fixed between the two supporting blocks and the top plate respectively, the pressing plate is located between the base and the top plate, and the two ends of the pressing plate are slidably connected to the two guide rods in a sleeving mode respectively; and the top plate is connected with a pressing driver. The base is matched with the pressing plate, the right-angle measuring tool to be machined is pressed and positioned under the combined action of the L-shaped upper clamping face and the L-shaped lower clamping face, and clamping is reliable; a vertical pressure is provided through a vacuum negative pressure adsorption force mode, so that the horizontal plane static friction force of the right-angle measuring tool to be machined is improved, and a workpiece is stably clamped on the clamp.

The invention relates to the technical field of part polishing, in particular to a polishing device for an injection mold guide column. When a traditional polishing mode is used for polishing a guide column, the polishing efficiency is low, the guide column is prone to generating tiny deviation and shaking during rotation, the polishing precision is poor, some different impurities can be attached to the surface of the guide column before and after polishing, the polishing is not uniform enough, the polishing quality is poor, and the polishing effect is affected. A polishing device for an injection mold guide pillar comprises an outer frame; and the support frame (2) is fixedly connected with one side in the outer frame (1). The locking block is inserted into the clamping groove to lock the guide column on the chuck, the threaded shaft rotates to enable the polishing disc to move through the threaded block to gradually polish the side face of the guide column, the sliding frame drives the extrusion rod to extrude the inclined groove to enable the polishing column to move, in this way, the top end port of the guide column can be synchronously polished while the side face of the guide column is polished, and then the polishing speed is increased; the polishing efficiency is improved.

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.

According to the brake disc ring surface accurate grinding equipment, by arranging the pressing and swinging mechanism, an assembly can be pressed and swing in a reciprocating mode between the first base table and the second base table, and the stability and the positioning precision in the grinding process are guaranteed; by arranging the detection mechanism with the lower surface of the joint as the unified reference, detection of the grinding amount is achieved, meanwhile, closed-loop feedback can be provided for the ring surface grinding mechanism, and the thickness consistency and the surface flatness of two ring surfaces are guaranteed; the first grinding device and the second grinding device which can ascend and descend are arranged, the grinding feeding amount is dynamically adjusted according to the detection result, and self-adaptive accurate grinding of the assembly swinging in a reciprocating mode is achieved. Meanwhile, through organic combination of a detection mechanism, a pressing mechanism and a grinding mechanism, multiple times of clamping and manual transferring are reduced, and the production takt time and the automation level are improved. The equipment can effectively guarantee the precision and repeatability of accurate grinding of the brake disc assembly, improve the parallelism and surface smoothness of the ring surface, improve the brake performance and meet the industrial continuous machining requirement.

The invention is suitable for the technical field of pipe outer circle grinding, and provides a PE pipe outer circle grinding device which comprises a workbench, a grinding mechanism used for grinding a pipe is arranged on the workbench, a supporting frame is horizontally and slidably connected with a moving seat, and the supporting frame is fixedly connected with a second motor. An output shaft of the second motor is in threaded connection with a moving seat, the moving seat is fixedly connected with an electric lifting seat, and the telescopic end of the electric lifting seat is fixedly connected with a guide sleeve; the pipe polishing machine further comprises a feeding speed optimization system which can regulate and control the extension speed of the electric lifting seat by comprehensively evaluating the polishing state of the abrasive belt, the clamping state of the clamping mechanism and the stable state of the pipe, and then the feeding speed during pipe polishing is optimized. The feeding speed self-adaptive adjustment under the interference of multiple factors such as abrasive belt abrasion, pipe temperature change and clamping force fluctuation is achieved.

A vertically oriented honing guide for sharpening edged tools is disclosed. The vertically oriented honing guide for sharpening edged tools eliminates nearly all setup time and is compatible with commercial products by orienting the tools vertically and through the use of a linear guide system. This eliminates the need for tool clamping, facilitates direct angle setting, improves ergonomics, and allows the use of generic sharpening media. Yet, the vertically oriented honing guide for sharpening edged tools may alternatively incorporate a clamping mechanism to clamp tools being sharpened.

The invention discloses domestic ceramic surface treatment equipment, and particularly relates to the technical field of domestic ceramics, the domestic ceramic surface treatment equipment comprises a base, a supporting assembly is arranged on the upper side of the base, a fixing seat is fixedly connected to the upper end of the base, a first grinding assembly is arranged on the upper side of the supporting assembly, and a lifting assembly is arranged on the upper side of the supporting assembly; a second grinding assembly is arranged on one side of the first grinding assembly, a moving assembly is arranged at the lower end of the fixing base, and an adjusting assembly is arranged on one side of the moving assembly. Coherent grinding of the pot edge outline, the inclined inner wall, the outline outer edge and the outline inner edge of the ceramic flowerpot is achieved, the diversified requirements of the market for the appearance of domestic ceramics are met, it is guaranteed that the inner wall grinding pressure is uniform, chamfers on the two sides of a wavy opening can be synchronously ground, time waste and position deviation caused by multi-procedure switching are avoided, and the production efficiency is improved. And precision loss and time waste caused by process dispersion of traditional equipment are avoided, and the overall working efficiency is improved.

The invention relates to crankshaft outer circle and end face integrated grinding equipment and a grinding method, and relates to the field of grinding equipment. According to the technical scheme, a single grinding machine is used for replacing three grinding machines in the original process, equipment investment is greatly reduced, labor and energy consumption are saved, the production efficiency is improved due to process concentration, and meanwhile the problems that an existing process is large in occupied area and large in labor consumption are solved; the outer circle and the end face of the crankshaft part can be synchronously ground through one-time clamping, positioning errors caused by multiple times of clamping are avoided, a numerical control system can conveniently monitor and compensate machining errors in real time, and the high-precision requirement is guaranteed. Specifically, a grinding wheel spindle is matched with an axial driving assembly to achieve synchronous grinding of the outer circle and the end face of the crankshaft. Diamond needles are welded to the outer circle and the side face of the grinding wheel dressing diamond roller in a buried mode, and dressing of the outer circles of a fixed grinding wheel and a movable grinding wheel and the end face of the movable grinding wheel can be completed. A metal guide wheel is selected to support a crankshaft spiral groove face, guide wheel abrasion is reduced, and grinding precision and efficiency are further guaranteed.

The invention provides an abrasive flow polishing device and method for gear tooth surface homogenization. According to the method, tooth-shaped drainage pieces with the same shape as the gear are installed at the two ends of the upper portion and the lower portion of the gear, drainage section design is introduced, an abrasive flow medium path runner model is constructed, main parameters influencing an experiment are sampled and grouped through a Latin hypercube sampling method, abrasive flow polishing simulation is conducted in a grouped mode, and a Gaussian regression process is utilized to obtain an abrasive flow polishing simulation result. Selecting the minimum root-mean-square error of each group of PiVi data, determining the group of experimental parameters, obtaining a group of abrasive flow machining process parameters of optimal inlet pressure, back pressure and drainage section length, and finally guiding the experiment; according to the method, the influence of the inlet effect is relieved, the abrasive flow medium path runner model is constructed, a set of optimal abrasive flow machining process parameter combination is obtained, and the method is suitable for spur gears and bevel gears and high in universality.

The invention belongs to the technical field of turbine blade machining, and particularly discloses turbine blade machining and grinding equipment which comprises a workbench, the upper end of the workbench is connected with a box body, one side of the upper end of the workbench is connected with a supporting table, the upper end of the supporting table is connected with abrasive belt grinding equipment, and one side of the upper end of the workbench is connected with a mechanical arm mechanism. A blade workpiece is clamped at one end of the mechanical arm mechanism, a stabilizing mechanism is connected to one side of the outer wall of the mechanical arm mechanism and comprises a mounting ring, a connecting frame is connected to one end of the mounting ring, guide blocks are slidably connected to the two sides of the connecting frame, and fixing rods are connected to one sides of the two guide blocks. By means of the mechanical arm mechanism and the stabilizing mechanism with the self-adaptive capacity, flexible supporting is provided when a complex curved surface blade is polished, and therefore high-precision and deformation-free automatic polishing is achieved.

The invention discloses an integrated tile-shaped magnet outer circle grinding device and method based on artificial intelligence, and belongs to the technical field of grinding machining. The integrated tile-shaped magnet outer circle grinding device comprises a feeding device, a grinding device and a visual detection device; the feeding device comprises a feeding conveying belt, a guide groove, a spring bin, a material blocking barrel, a feeding barrel, a magnetic suction cup, an electromagnetic push rod, a cooperative mechanical arm, a reset spring and a discharging conveying belt. The visual detection device comprises a magnetic shoe counting camera, an annular light source, a counting camera bracket, a measuring camera bracket, a backlight plate, an outer contour measuring camera, a positioning camera and a positioning camera bracket; integrated automatic operation of feeding, grinding, detection and discharging is achieved, the production efficiency is greatly improved, automatic counting, precision detection and discharging are completed through cooperation of visual detection and the conveying belt, the manual operation intensity is effectively reduced, production interruption caused by personal errors is avoided, and the productivity in unit time is remarkably improved.

The invention discloses a forging part surface defect detection mechanism, and belongs to the technical field of forging part detection. The forging part surface defect detection mechanism comprises a detection table, a flaw detector is installed on the outer wall of the top end of an electric cylinder, a cleaning assembly used for cleaning oxide skin on the surface of a forging part is arranged on the outer wall of the detection table, and a driving assembly is arranged on the inner wall of a supporting plate. The distance between the front push block and the rear push block can be adjusted according to the length of the cylindrical forging part through rotation of the small-lead screw rod, and after the cylindrical forging part is placed on the surface of the supporting plate, the small-lead screw rod drives the front push block and the rear push block to push the cylindrical forging part to slowly move towards the flaw detector. And meanwhile, the first driving roller and the second driving roller push the cylindrical forging part to rotate rapidly, at the moment, the cleaning assembly moves towards the surface of the cylindrical forging part, a sealing area is formed on the surface of the cylindrical forging part, the grinding disc is started to grind oxide skin in the sealing area, and dust and impurities generated during grinding are intensively discharged through the exhaust pipe.

The invention discloses precise honing equipment for a planetary reducer sun gear, and particularly relates to the field of sun gear finish machining, the precise honing equipment comprises a honing shell and an operation table fixedly connected in the honing shell, an angle adjusting assembly is installed on the operation table, and the output end of the angle adjusting assembly is connected with a first motor; the angle adjusting assembly is used for driving the first motor to move in the preset direction, the output end of the first motor is fixedly connected with a telescopic rod, the first motor is used for driving the telescopic rod to rotate, the telescopic rod is fixedly connected with a honing wheel, and the two sides of the operation table are fixedly connected with a first positioning support and a second positioning support correspondingly. Uniform radial expansion clamping is carried out from the inner hole of the sun gear through a conical rod-expansion block mechanism, centering clamping with the inner hole of a workpiece as the standard is achieved, clamping deformation is greatly reduced, the original precision of the workpiece is ensured, a reliable standard is laid for subsequent high-precision honing, and the yield is increased.

The invention relates to a multi-station printing roller efficient polishing machine, and relates to the technical field of printing roller polishing, the multi-station printing roller efficient polishing machine comprises an operation platform, a rough polishing device, a conveying device and a fine polishing device are arranged on the upper surface of the operation platform, and the rough polishing device comprises a first motor, a first rotating rod, a first mechanical chuck and a rough polishing frosted block; the conveying device comprises a first driving assembly and a lifting assembly, and the fine polishing device comprises a second motor, a third rotating rod, a second mechanical chuck and a fine polishing abrasive block. By designing the rough polishing device, the conveying device and the fine polishing device, automatic procedure connection from rough polishing to fine polishing is achieved, traditional manual carrying and transferring are replaced, the takt time is remarkably shortened, the overall machining efficiency is improved, meanwhile, printing roller collision and damage caused by manual operation are avoided, fine polishing dust is sucked in real time, and the production efficiency is improved. Secondary scratch of the roller surface caused by dust is avoided, the working environment is improved, the occupational disease risk is reduced, and meanwhile the workshop cleaning cost and the environment-friendly compliance hidden danger are reduced.

The invention relates to the technical field of welding platforms, in particular to a steel pipe beam welding operation platform which comprises a base fixedly connected with a controller and further comprises two deformation positioning structures symmetrically arranged on the base, and each deformation positioning structure comprises a guide pushing mechanism connected with the base. The guide pushing mechanism is connected with a displacement clamping assembly; and the positioning calibration structure is connected with the base and comprises a first active telescopic frame, the moving end of the first active telescopic frame is fixedly connected with a suspension frame, the suspension frame is connected with a double-face grinding part, and the suspension frame is connected with an end face touch sweeping mechanism. Through mutual cooperation of the deformation positioning structure and the positioning calibration structure, the steel pipe beams in different shapes are positioned and clamped, then end face positioning and position measuring are conducted on the steel pipe beams, end face correction is conducted on the steel pipe beams, and therefore the steel pipe beams can be accurately and mutually positioned and in butt joint, the quality of subsequent welding machining is improved, and the production efficiency is improved. And manpower is saved.

The invention relates to a novel through type water static pressure groove grinding device and process. The device comprises a positioning tool; a grinding head seat; the grinding frame is connected with the grinding head seat; the driving device comprises a motor bottom plate mounted on the vertical plane of the grinding head seat, a driving motor mounted on the motor bottom plate, a main shaft of which the axis is vertical to the motor bottom plate and which is connected with the driving end of the driving motor, a belt pulley mounted at the end part of the main shaft, and a belt mounted on the belt pulley; the water hydrostatic bearing assembly comprises a water hydrostatic bearing seat mounted on the grinding head seat, a water hydrostatic bearing cover matched with the water hydrostatic bearing seat, a pin shaft inserted between the water hydrostatic bearing seat and a through hole of the water hydrostatic bearing cover and used for preventing rotation, and a radial bearing arranged on the pin shaft in a sleeving manner; the grinding wheel is installed on the outer diameter of the radial bearing, the belt is sleeved with a grinding wheel outer diameter groove, and the main shaft is in transmission connection with the grinding wheel through the belt wheel and the belt and used for driving the grinding wheel to rotate. Through type rough grinding and accurate grinding machining can be completed in sequence only through one-time clamping.

The utility model discloses a stainless steel composite board surface polishing device which comprises an installation frame, the installation frame is horizontally and rotatably connected with a driving shaft, and the installation frame is further fixedly connected with a motor in transmission connection with the driving shaft. The multiple driving wheels are distributed in the axial direction of the driving shaft at equal intervals, all the driving wheels are connected with the driving shaft through connecting bearings, and clutch mechanisms are arranged between all the driving wheels and the driving shaft; the driven wheel is connected with the mounting frame through a lifting mechanism, and an abrasive belt is arranged between the driving wheel and the driven wheel; and the tensioning wheel is arranged on the inner side of the abrasive belt and is in rolling connection with the abrasive belt, and the tensioning wheel is connected with the mounting frame through an elastic piece. The polishing device is provided with a plurality of abrasive belts of different models, and different abrasive belts can be switched to be used through the lifting mechanism and the clutch mechanism, so that the time for replacing the abrasive belts is saved, and the machining efficiency of the device is improved; the multiple abrasive belts are used at the same time, the grinding range of the grinding device can be enlarged, and the grinding efficiency is improved.

The invention discloses grinding and polishing equipment for the inner wall of a pipe workpiece. The grinding and polishing equipment comprises a rack, a workpiece rotating and supporting mechanism, a grinding mechanism, a radial feeding mechanism, an axial moving mechanism, a workpiece stabilizing mechanism and an electric control system. The grinding assembly is a flexible grinding wheel formed by splicing a plurality of arc-shaped grinding pieces, a pneumatic motor drives the flexible grinding wheel to rotate at a high speed to serve as main cutting motion, constant-pressure contact control is achieved through a radial feeding mechanism, abrasion of the grinding wheel can be compensated in a self-adaptive mode through the control mode, and it is guaranteed that the grinding pressure is stable; therefore, the reference size of the workpiece is protected to the maximum extent while the defects of the inner wall are effectively removed, the problem of size out-of-tolerance caused by uneven pressure or abrasion in traditional rigid grinding is avoided, constant-pressure, efficient and high-quality grinding is guaranteed, and the grinding and polishing efficiency and quality of the inner wall of the pipe workpiece are effectively 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 present application relates to a kind of optical fiber array, fixed part is combined by substrate and cover plate, and a plurality of optical fibers are arranged in each V groove in fixed part, the optical port surface and the tail fiber surface of opposite distribution in fixed part are parallel to each other, two side surfaces adjacent to the optical port surface or tail fiber surface in fixed part are parallel to each other, the included angle between one of two side surfaces and the optical port surface is A, the included angle between the other side surface and the optical port surface is B, A is 82 °±0.5 °, A+B=180 °. Processing method, optical fiber is assembled with substrate and cover plate cut into shape;The optical port surface of fixed part is sequentially fine grinding and polishing, and can be directly designed as 8 °±0.5 ° surface.The optical port surface is not used to form 8 °±0.5 ° surface by rough grinding subsequently, only fine grinding and polishing to the optical port surface can be carried out, effectively shorten the grinding time, at the same time, the optical port surface and the tail fiber surface are parallel to each other, facilitate batch cutting processing, and improve production efficiency.

The utility model discloses a stone processing edging device which comprises two fixing frames which are symmetrically arranged up and down, and a polishing mechanism used for polishing the edge of a stone is arranged between the fixing frames. The grinding mechanism comprises supporting synchronous wheels, a first motor, a driving synchronous wheel, a transmission synchronous belt, a second motor and an edge grinding wheel, the multiple supporting synchronous wheels are evenly and movably arranged on one side of the surface of the fixing frame through rotating shafts, and the first motor is fixedly arranged on one side of the fixing frame; and a driving synchronizing wheel is fixedly arranged at the power output shaft end of the first motor. The stone edge grinding device is good in using effect, special fixing and aligning are not needed during edge grinding, stone is inserted between the upper conveying synchronous belt and the lower conveying synchronous belt through the guide wheels, then edge grinding work of the stone can be automatically completed under the conveying effect of the conveying synchronous belts, and therefore the edge grinding efficiency can be greatly improved.

The invention discloses a pipe fitting positioning and welding device with a surrounding structure, and relates to the technical field of welding, the pipe fitting positioning and welding device comprises a supporting seat, side supporting frames are fixedly mounted at the two ends of the top of the supporting seat, and active clamping mechanisms are mounted in the side supporting frames to position and fix pipe fittings; a supporting seat is installed on the top face of the side supporting frame, a surrounding welding mechanism is installed in the middle of the top face of the supporting seat and used for conducting surrounding type welding on pipe fittings, telescopic plates are installed on the front side and the rear side of the side supporting frame, and the inner ends of the telescopic plates are connected with edge grinding mechanisms. The problems of shaking deviation, low adaptability, untight butt joint, insufficient welding strength and the like which are prone to occurring in the pipe fitting welding process are cooperatively solved, the pipe fitting positioning stability and the structural adaptability are improved, the welding quality is comprehensively guaranteed through the links of pretreatment, precise welding, auxiliary cleaning and the like, energy consumption is reduced, and the operation efficiency is improved.