4357results about "Grinding machine components" patented technology

The invention discloses a steel pipe polishing equipment, which comprises a steel pipe polishing equipment body. A main valve of a polishing motor is arranged in the main body of the steel pipe polishing equipment; a polishing handle is arranged on the main valve of the polishing motor; The valve is provided with a rotating roller; the front end of the rotating roller is provided with polishing bristles; one side of the rotating roller is provided with an outer throwing roller; a clamping spring is arranged between the outer throwing roller and the rotating roller; The outer throwing roller is provided with an outer throwing brush; a symmetrical magnet is arranged between the outer throwing brush and the polishing bristles; a polishing wheel is arranged on the outer throwing brush and the polishing bristles; the polishing The grinding wheels are arranged in a figure-eight shape. Its structure is simple, easy to use, and easy to operate. It can realize the polishing of the outer surface and the inner wall. The polishing is fast and uniform, with high efficiency and convenient use.

The invention discloses a curved surface mapping track optimization and multi-modal force control method for complex wall surface polishing. The method can efficiently meet the polishing requirement of a complex curved surface. A polishing track is determined by introducing a projection technology, a path optimization model is constructed, and multi-node force fusion attitude control is combined, so that interpolation point calculation and attitude change and position planning matching are realized, and a robot polishing path including a polishing position, an attitude and adjustment parameters is effectively generated. According to the multi-mode force control method, a force control mode is dynamically adjusted by combining radial height state switching of state classification of convex and concave path sections; multi-node fusion attitude control is further introduced, the surface contact force of a sand disc is accurately tracked, the tail end attitude of the robot is dynamically adjusted to follow the curved surface characteristics, the problems of irregular curved surfaces, unstable force control and the like in the traditional grinding technology are solved, and the method can be widely applied to automatic efficient grinding operation in the fields of buildings, ships and the like; and efficient and high-precision grinding of the complex curved surface is achieved.

The utility model provides an automatic welding device for an epoxy zinc-based composite stand column, and relates to the technical field of welding. The utility model is used for solving the technical problems in the prior art that a large amount of spark sputtering substances are generated during welding, so that workers are easily burnt, and fire-fighting hidden dangers also exist. The automatic welding device for the epoxy zinc-based composite stand column comprises a base, a workbench, a servo motor, a rotary disc, a welding gun and a clamping assembly, the workbench is installed above the base, the rotary disc is rotationally arranged on the workbench, the servo motor is installed on the base, an output shaft of the servo motor is fixedly connected with the rotary disc, and the welding gun is fixedly connected with the rotary disc. A welding gun and a clamping assembly used for clamping the stand column and preventing the stand column from toppling are arranged on the workbench. The elastic pieces on the two sides push the second guide rods and the contact plates on the two sides to get close to the middle, the second guide rods drive the connecting rods and the cover plates fixedly connected with the connecting rods to get close to the middle, the two cover plates shield the working area of the workbench, and the effect of preventing sparks from sputtering during welding is achieved.

The invention discloses an efficient cooling grinding wheel applied to ultrasonic machining, and relates to the technical field of ultrasonic auxiliary grinding machining tools, the efficient cooling grinding wheel comprises an upper ultrasonic grinding wheel base rod and a lower ultrasonic grinding wheel grinding head, and the ultrasonic grinding wheel base rod and the ultrasonic grinding wheel grinding head are of an integrated structure; the interior of the ultrasonic grinding wheel base rod is hollow and extends to the bottom of the ultrasonic grinding wheel grinding head without penetrating, the interior of the ultrasonic grinding wheel base rod is in threaded connection or interference fit with a sleeve, the interior of the sleeve is hollow and serves as a main cooling liquid flow channel, the diameter of the interior of the sleeve is the main cooling liquid flow channel, and the diameter of the main flow channel can be changed; a plurality of round holes are formed in the grinding wheel grinding head to serve as cooling liquid flow channels of the grinding head, inlets of the cooling liquid flow channels of the grinding head are connected with the tail end of the main cooling liquid flow channel, outlets of the cooling liquid flow channels of the grinding head are located at the machining position in the grinding process, and cooling liquid grooves are machined in the cooling liquid outlets of the grinding head. And inner cavities of the main cooling liquid flow channel and the grinding head cooling liquid flow channel are provided with rifling structures with variable screw pitches and variable number.

A power tool, including: a housing, extending in a longitudinal direction; and a fan, a motor, and a circuit board that are received in the housing. The housing defines an air outlet, a first air inlet, and a second air inlet. The first air inlet is adjacent to the motor, and the second air inlet is adjacent to the circuit board; the first air inlet is disposed between the air outlet and the second air inlet. The power tool includes a first heat dissipation air path that flows through the motor and a second heat dissipation air path that flows through the circuit board. The motor includes an output shaft extending along the longitudinal direction. The output shaft is connected to the fan; the air outlet, the fan, the first air inlet, and the second air inlet are arranged sequentially in an axis direction of the output shaft.

The embodiment of the invention provides processing and polishing equipment for an anti-static flame-retardant PVC floor, and relates to the technical field of floor processing. Processing and polishing equipment for anti-static flame-retardant PVC floors comprises a conveying frame, PVC plastic floors are conveyed on the conveying frame, a fixing frame is fixedly connected to the center of the bottom of the conveying frame, fixing cylinders are fixedly connected to the two sides, close to the fixing frame, of the conveying frame, and transverse grooves are formed in the two sides of each fixing cylinder; one side of the fixing frame is fixedly connected with a pressurizing frame, the other side of the fixing frame is fixedly connected with a negative pressure frame, and an inner cavity of the fixing frame is provided with a fine grinding assembly matched with the PVC plastic floor on the conveying frame in a polishing mode. A first displacement assembly and a spraying assembly which are used in cooperation with the fixing barrel are arranged on the side, close to the pressurizing frame, of the conveying frame. Based on the condition of spraying the polishing agent, a reciprocating accurate grinding mode is matched, the efficient and uniform polishing effect on the PVC plastic floor is achieved, and the polishing quality of the PVC plastic floor is improved.

The invention relates to the technical field of continuous casting roller machining, in particular to a continuous casting roller production device which comprises a machine body. The fixing mechanism is used for fixing the continuous casting roller; the polishing mechanism is used for polishing the continuous casting roller; the cooling mechanism is used for cooling the continuous casting roller; the polishing mechanism comprises a rough polishing piece and a polishing piece. Finely grinding the part; the reciprocating screw rod is rotationally mounted in the machine body; the moving seat is in threaded connection with the reciprocating screw rod; the limiting rod is used for limiting the moving seat; and the adjusting assembly is used for adjusting the positions of the rough grinding piece and the fine grinding piece. According to the continuous casting roller polishing device, through the arrangement of the polishing mechanism, the positions of the rough polishing piece and the fine polishing piece can be automatically adjusted according to the rough polishing stage and the fine polishing stage of the continuous casting roller, rough polishing and fine polishing of the continuous casting roller are achieved, and the polishing efficiency is improved.

The polishing head comprises a shell, a carrier, a retaining ring and an elastic film assembly, the shell is used for being connected to the lower portion of a rotary driving part, the carrier is connected to the lower portion of the shell and provided with a containing cavity with a downward opening, the retaining ring is connected to the lower end face of the carrier, and the elastic film assembly is connected to the lower end face of the carrier. The elastic membrane assembly is arranged in the containing cavity, a buffering cushion ring is arranged at the bottom of the elastic membrane assembly, and the buffering cushion ring is arranged close to the outer ring of the elastic membrane assembly. According to the polishing head for the square silicon wafer, the incircle area of the square silicon wafer is ground through the middle area of the elastic film assembly, meanwhile, the buffering cushion ring close to the outer ring of the elastic film assembly abuts against the upper portion of the corner area of the square silicon wafer, effective buffering on the corner area is formed, and the polishing effect is improved. The problem that stress concentration is generated in the corner area in the grinding process is avoided, the grinding structure of the corner area is optimized, synchronous grinding of the inscribed circle area and the corner area is achieved, and the grinding quality of the square silicon wafer is guaranteed.

The invention belongs to the field of special-shaped structure polishing, and discloses a polishing structure and a metal curved surface special-shaped polishing machine.The polishing structure comprises a supporting frame, an adjusting assembly and a polishing assembly, the supporting frame comprises an outer supporting ring, a middle supporting ring and an inner supporting ring, and the inner side of the outer supporting ring is slidably connected with the middle supporting ring; and an inner supporting ring is slidably connected to the inner side of the middle supporting ring, an adjusting assembly is arranged on the upper end face of the supporting frame, synchronous rings are fixed under the multiple large threaded rods, at least one supporting rod is fixed to the lower end face of each synchronous ring at equal intervals, and a polishing assembly is fixed to the lower end of the sealing cylinder. When the polishing rings rotate, corresponding polishing liquid can be automatically dropwise added, and when one set of polishing rings polish the edge of the protrusion, the outer polishing ring can be blocked between the protrusion and the polishing ring in work, so that the side wall of the protrusion is protected.

The invention discloses a stirring friction additive manufacturing device and method, relates to the technical field of additive manufacturing, and aims at solving the problems that in existing additive manufacturing, reinforced phases are not evenly distributed, an additive device is prone to being abraded, and the performance of a deposited material is degraded The device partially comprises a stirring head, a follow-up sleeve, a liquid cooling pipe and a metal matrix composite raw material rod. The follow-up sleeve is nested on the outer side of the stirring head, the liquid cooling pipe is used for continuously cooling and controlling the temperature of an additive tool and is mounted on the outer wall of the follow-up sleeve, the metal matrix composite raw material rod is fed to the stirring head, and pre-mixed powder of gel and a corrosion inhibitor is added into the metal matrix composite raw material rod to be combined with the metal slim pipe, so that the additive tool can be continuously stirred. The problem of uniform distribution of the reinforced phase of the aluminum-based composite material is solved, and meanwhile, the corrosion-resistant design of the deposited material is realized. The method is wide in application range, and can be suitable for reliable solid-phase deposition manufacturing of various low-volume-fraction metal-based composite materials such as aluminum-based, magnesium-based, copper-based and zinc-based composite materials.

The invention discloses a response surface optimization method for an air inlet duct of a pendulum mill, and belongs to the technical field of design and optimization of pendulum mills. The problem that component abrasion and collection efficiency cannot be well considered due to structural parameters of an existing pendulum mill is solved. According to the method, modeling is carried out on a main machine of the pendulum mill, a flow field model in the main machine is extracted, and after grid division is carried out, the flow field model is imported into Fluent software to be solved; aiming at the pressure loss of the air duct outlet, respectively fixing an influence factor and taking any other two influence factors as variables to obtain a response curved surface for the influence of the pressure loss so as to determine the pressure loss under the influence of each variable influence factor and a remarkable influence factor; all the influence factors are processed according to the same air duct outlet pressure loss mode, so that candidate values of the influence factors are determined; and according to the candidate values of the influence factors, wind field vortex conditions before and after optimization and abrasion to the blades are analyzed, and finally the structure optimization result of the pendulum mill air inlet duct is determined.

The utility model discloses a pipeline continuous conveying device for hydrogen energy pipeline production, which comprises a support table, a laser cutting machine and a polishing machine, the laser cutting machine is fixed at the top end of the support table and placed on one side of the support table, and a reserved notch is arranged at the top end of the support table corresponding to the laser cutting machine. A material conveying mechanism is installed at the bottom end of the supporting table, and a pipeline fixing base is installed on the material conveying mechanism. According to the pipeline cutting device, the two pipeline fixing seats can be driven to deflect through the first rotating motor, so that a cut pipeline can be rotationally separated, and the cut pipeline can rotate to coincide with the radial direction of the feeding rotating shaft; and the section of the cut pipeline can just face the polishing station of the polishing machine after being continuously conveyed to the position of the polishing machine, so that the section can be automatically polished, manual adjustment is not needed, and the polishing efficiency is improved.

The utility model discloses a bamboo board grinding machine with a dust removal function, which belongs to the field of bamboo board production and processing equipment and comprises a grinding machine frame, a support is fixedly connected to the middle of the outer side of the grinding machine frame, electric push rods are fixedly connected to the front portion and the rear portion of the upper end of the support, and output shafts are arranged at the lower ends of the interiors of the electric push rods. A limiting frame is fixedly connected to the lower end of the output shaft, a grinding roller is rotationally connected into the limiting frame, a second servo motor is installed on the left side of the grinding roller, the grinding roller can be limited by arranging the limiting frame, meanwhile, a plurality of arc-shaped baffles are arranged in the limiting frame, and two dust collection channels distributed at the front end and the rear end of the grinding roller are formed through the arc-shaped baffles; when the polishing roller polishes the bamboo board, the negative pressure pump is started to suck scraps generated by polishing into the dust collection channel, and the scraps are adsorbed and cleaned, so that the bamboo board polishing machine achieves the dust removal function, scrap splashing is avoided, and protection on the health of workers and the working environment is enhanced.

The utility model provides a swinging and floating mechanism of a grinding head. The swinging and floating mechanism comprises an elastic swinging part, a floating disc, a connecting seat and a guide limiting mechanism, a plurality of elastic swing pieces are distributed between the floating disc and the connecting base at intervals in the circumferential direction, and the guide limiting mechanism is located in an area defined by the elastic swing pieces; the guide limiting mechanism comprises an inner body, an outer body and balls, the outer body is arranged outside the inner body in a sleeving mode, the upper end of the inner body is connected with the connecting base, and the lower end of the outer body is connected with the floating disc; a plurality of guide limiting channels are distributed between the outer wall of the inner body and the inner wall of the outer body at intervals in the circumferential direction, each guide limiting channel extends in the vertical direction, and one ball is arranged in each guide limiting channel in a rolling mode. The grinding head has the advantage that the stability of the whole grinding head during floating and swinging can be effectively improved.

The invention discloses an automatic welding device and method for FPSO ship body transverse butt welding seams, the automatic welding device comprises ship body steel plates and an equipment moving bottom plate, the number of the ship body steel plates is two, connecting grooves are formed in the side portions of the two ship body steel plates close to each other, and a fixing column is installed on the equipment moving bottom plate through a lifting height adjusting assembly; according to the ship body steel plate welding device, the contact roller is always in contact with a ship body steel plate during welding through the arranged contact self-adaptive adjusting assembly, the welding head can adjust the position in a self-adaptive mode and is always located at the position of one side of a welding seam, welding is more accurate, a connecting groove is polished through the arranged polishing assembly before welding, the welded part is smoother and smoother, and welding quality is improved. Stability after welding is facilitated, the problem that the welding quality is affected due to the fact that a welding part has rust is solved, chippings and rust are blown away through the air blowing assembly after grinding, and therefore the position of a connecting groove is cleaner, and the welding quality is guaranteed.

The embodiment of the invention provides a wafer bearing table and chemical mechanical polishing equipment. The wafer bearing platform comprises a platform used for placing a workpiece; the swing shaft is fixedly connected to the platform; the swinging shaft is connected to the supporting mechanism and the base in a swinging mode and is provided with a containing hole, the supporting mechanism is arranged in the containing hole, and when the swinging shaft swings along with the platform, the supporting mechanism can provide axial buffering support for the swinging shaft; and the elastic mechanism is arranged between the platform and the base and is used for deforming when the platform swings so as to adaptively support the platform. In the swinging process of the platform, due to the fact that the supporting mechanism moves in the axial direction of the containing hole all the time, the platform is effectively positioned, deviation of the axis is prevented, and therefore the stability of the platform in the polishing operation is guaranteed.

The invention relates to the technical field of grinding machines, in particular to a universal grinding machine for polishing and machining sheet metal parts and a machining process, and mainly adopts the technical scheme that a protective auxiliary assembly is arranged on the inner side of a protective cover body, so that chip impurities which are adhered and fall in the polishing process are collected in time; when the grinding disc mechanism is used for grinding a workpiece on the workbench, chippings and impurities splash to the inner side wall of the protective cover body, and the collecting box body arranged on the inner side of the protective cover body has a collecting effect on the accumulated and falling chippings and impurities. Chippings and impurities are prevented from accumulating and falling on a workbench or a workpiece as much as possible, and the positive effect on the machining quality is achieved; the collecting box body is movably arranged on the supporting strips and is positioned through the positioning screws, so that the working flexibility is high; a cleaning accessory is further arranged on the outer side of the connecting side edge; therefore, the polishing protection auxiliary assembly is provided to meet the actual machining requirements of the polishing protection auxiliary assembly.

The invention belongs to the field of optical lens machining, and particularly relates to an optical lens machining rotary table which comprises a machining table body, a machining groove is formed in the machining table body, a base is arranged at the bottom of the machining groove, two rotary table assemblies in bilateral symmetry are arranged on the base, and a first driving assembly is jointly arranged between the two rotary table assemblies and the base. And a polishing mechanism is arranged on the rotary table assembly. The rotary table assembly comprises a semicircular supporting cover, the supporting cover is connected with the base through a supporting pipe fitting, the outer arc face of the supporting cover is sleeved with a rubber sleeve matched with the supporting cover in shape, and a plurality of fixing grooves used for bearing lenses are formed in the surface of the rubber sleeve. The lens is directly fixed through the rotary table assembly, the lens is installed only by being pressed into a groove and then subjected to vacuum adsorption, demolding only needs to relieve vacuum negative pressure, the links of heating, cooling, asphalt cleaning and the like are omitted on the premise that the lens fixing stability is guaranteed, the single-cycle machining time is greatly shortened, and the material use cost is greatly reduced.

The invention discloses an angle-adaptive and pressure-adjustable optical element polishing grinding head, and belongs to the technical field of precision manufacturing, the angle-adaptive and pressure-adjustable optical element polishing grinding head comprises a bottom plate, a positioning mounting pin is arranged in the center of the upper surface of the bottom plate, an air nozzle is mounted on the upper surface of the bottom plate, and a corrugated pipe connector is arranged on the lower surface of the bottom plate; the corrugated pipe connector is connected with the top end of a corrugated pipe, a grinding head base is installed at the bottom end of the corrugated pipe, and a grinding head is connected to the lower portion of the grinding head base through a clamping ring. According to the angle-adaptive and pressure-adjustable optical element polishing grinding head, the angle of the grinding head is automatically adjusted through the flexible structure of the corrugated pipe, the grinding head is dynamically attached to the surface of an optical element, and the grinding head adapts to the surface with the complex curvature; the contact pressure between the grinding head and the surface is accurately controlled by regulating and controlling the medium pressure in the corrugated pipe, and excessive grinding or damage is avoided. The closed cavity guarantees the stability of the system, and the dynamic adjusting capability guarantees the real-time optimization of the angle and the pressure in the machining process.

The utility model discloses a brush structure for disc type glass polishing. The brush structure comprises a supporting disc, a disc cover, brush bristle clusters and a floating mechanism. A rotating rod connected with the polishing motor is formed at the top end of the supporting disc, and the bottom end is sealed through a disc cover. The plurality of bristle clusters are uniformly distributed in the supporting disc and extend out of through holes preset in the disc cover to work; one end of each floating mechanism is fixed to the top end in the supporting disc, the other end of each floating mechanism is fixedly connected with the corresponding bristle cluster, and the bristle clusters are allowed to float up and down and incline within a certain range. Compared with the prior art, the utility model has the advantages that the floating mechanism enables the bristle clusters to move up and down and incline within a certain range, ensures that the bristle clusters can always keep good contact with the surface of glass, and simultaneously protects the glass from being damaged.

The invention relates to the technical field of automobile part spraying, and discloses an automobile part surface treatment spraying device which comprises a mounting frame and a mounting shaft rotationally connected in the mounting frame, the outer surface of the mounting shaft is fixedly connected with a plurality of discharging frames and a feeding clamping mechanism, and the feeding clamping mechanism is arranged on the discharging frames; according to the spraying device for surface treatment of the automobile parts, shark fins of the automobile parts are placed on the discharging frame, then the shark fins are flexibly fixed through the feeding and discharging machine on the discharging frame, and after fixing, the fixed shark fins are driven to rotate to the surface treatment mechanism to be subjected to surface grinding treatment; and after treatment, the shark fins are sprayed through the spraying mechanism, and the surfaces of the shark fins are dried after spraying, so that polishing, spraying and drying integrated treatment on the surfaces of the shark fins is realized, and the spraying efficiency on the surfaces of the shark fins is greatly improved.

The utility model relates to full-automatic vibration type pearl grinding equipment which comprises a first vibration tool and / or a second vibration tool, and the first vibration tool is arranged on a feeding tool and used for conducting a first vibration procedure on the feeding tool; the second vibration tool is arranged on the material receiving tool and used for conducting a second vibration procedure on the material receiving tool. The pearl feeding device has the advantages that the first vibration tool is used for vibrating the feeding tool, so that pearls move on the feeding tool, the pearls cannot be gathered at the bottom of the feeding tool, and the pearls can be conveniently and rapidly discharged outwards; the second vibration tool is used for vibrating the material receiving tool, so that the pearls move on the material receiving tool, the pearls cannot be gathered in a certain area of the material receiving tool, and the pearls can be uniformly distributed on the material receiving tool conveniently.

The present invention relates to the field of metal finishing processing technology, in particular to a device for grinding and cleaning the inner wall of a pipeline. The stabilizing mechanism includes a control platform, a limit plate on one side of the control platform, and a locking assembly on the outer wall of the limit plate; the moving mechanism includes a conduction rod on one side of the limit plate, a sliding cylinder on the outer wall of the conduction rod, a power ring on one side of the sliding cylinder, and a cleaning ring on the outer wall of the sliding cylinder; the adjusting mechanism includes a telescopic lever on the outer wall of the power ring, a matching clamping plate on the inner wall of the cleaning ring, and a grinding head on the outer wall of the cleaning ring. In the present invention, the adjusting mechanism can extend toward the inner wall of the pipeline after the device is turned on until it is in full contact with the inner wall, so as to adapt to pipe walls with different inner diameters. When the grinding force needs to be strengthened, it only needs to increase the overall grinding speed by accelerating the movement of the power ring, and the grinding head will also be held against to improve the grinding capacity. When it needs to be recovered, it only needs to control the power ring to reverse. After the device is stored, it can directly link the trigger button to purge the residue and debris on the inner wall of the pipeline without the need to connect an additional purge tool.

The invention discloses a centerless grinding machine grinding wheel guide wheel center height and end face combination adjusting device and a centerless grinding machine, which realize the adjustment of the center height and end face parallel difference of a guide wheel and a grinding wheel, simplify the adjusting process and reduce manual intervention, thereby improving the production efficiency. According to the centerless grinding machine, a guide wheel frame of the centerless grinding machine achieves grinding angle rotation through an eccentric rotation shaft, the eccentric rotation shaft is provided with a centering sliding block, and axial displacement adjustment of a guide wheel main shaft system is achieved through a sliding block displacement adjusting device. A grinding wheel spindle system is arranged on one side of the guide wheel spindle system; an eccentric shaft fastening screw is arranged on the guide wheel main shaft system and is used for fastening the guide wheel frame and the eccentric rotating shaft into a whole; the centering sliding block and the sliding block displacement adjusting screw rod are both installed in the guide wheel frame installation fixing body, the centering sliding block is matched with the fixing body sliding groove, one end of the sliding block displacement adjusting screw rod is connected with the centering sliding block, and the other end of the sliding block displacement adjusting screw rod extends out of the guide wheel frame installation fixing body and is connected with the adjusting screw rod fixing frame.

The invention discloses a movable polishing system and an optical element machining control method.The outer grinding machine mechanism comprises a hollow grinding disc, a grinding layer is arranged at the bottom of the hollow grinding disc, a supporting cylinder is arranged at the top of the hollow grinding disc, and a bearing is arranged at the top of the cylinder. On one hand, the polishing contact area is increased through the inner and outer grinding discs, the movable polishing system can extend out of a mirror surface within the limited movement range of the mirror surface, and effective machining of the surface of an optical element within the full-aperture range is achieved; the problem that the mirror surface edge cannot be effectively machined due to the fact that the movement range of optical machining equipment on an optical element is limited is solved. And on the other hand, the inner and outer mills are mutually independent and can be respectively controlled, the process flexibility is increased, the rotational inertia of the inner and outer mills is mutually counteracted by setting the rotating directions of the inner and outer mills, stable movement of the whole equipment is facilitated, and the technical problem that existing optical machining equipment is not high in machining flexibility of large-aperture optical elements is solved.

The invention provides a floating polishing device for removing burrs and burrs of cookware, and relates to the technical field of machining, the device comprises a polishing mechanism used for polishing the burrs and the burrs on the to-be-treated surface of the cookware; the X-axis adjusting mechanism, the Y-axis adjusting mechanism and the Z-axis adjusting mechanism are used for moving the polishing mechanism in the X-axis direction, the Y-axis direction and the Z-axis direction respectively; and one end of the floating compensation mechanism is slidably connected with the X-axis, Y-axis and Z-axis adjusting mechanism, the other end of the floating compensation mechanism is rotatably connected with the grinding mechanism, and the floating compensation mechanism is used for enabling the grinding mechanism to float so as to keep a grinding wheel working face of the grinding mechanism abutting against the to-be-treated surface of the cookware, and continuous and stable grinding machining is achieved. The X-axis adjusting mechanism, the Y-axis adjusting mechanism and the Z-axis adjusting mechanism in the floating grinding device are used for adjusting the grinding mechanism, and the application range is widened; the floating compensation mechanism keeps the working surface of the grinding wheel abutting against the to-be-treated surface of the cookware, so that grinding is more uniform; the floating polishing device is compact in structure, easy to operate, convenient to use and high in stability.

The invention discloses a bearing ring polishing device for bearing production and machining, and relates to the technical field of bearing production and machining. A machine cabinet assembly is arranged at the bottom of the top base, a grinding table is arranged in the center of the top of the top base, supporting columns are arranged at the corners of the top of the top base, a circular plate is arranged at the tops of the supporting columns, a motor is arranged at the top of the circular plate, and an electric telescopic rod is arranged at the bottom of the circular plate. Bearing rings of different specifications and diameters are clamped in a self-adaptive mode through the L-shaped arc top plate, meanwhile, the friction force is gradually increased due to the fact that the guide arc plate and the rubber soft block continuously go deep downwards along with the bearing rings, and the stability of the bearing rings on the top of the grinding table is effectively improved; and the situation that the bearing ring shakes due to high-speed rotation of the grinding disc during grinding, the preset grinding direction of the bearing ring deviates, and the phenomenon that the grinding thickness of the bearing ring is not uniform is avoided.

The utility model relates to the technical field of pipeline welding, in particular to a steel wire composite pipe welding device which comprises an operation table, a first steel wire composite pipe and a second steel wire composite pipe, and clamping mechanisms used for fixing the first steel wire composite pipe and the second steel wire composite pipe are arranged at the positions, close to the two ends, of the surface of the operation table. By arranging the clamping mechanism, the polishing mechanism can be used for directly polishing an oxide layer at the connecting position when the first steel wire composite pipe and the second steel wire composite pipe are welded, manual polishing is not needed, the workload is reduced, the working efficiency is improved, the fixing mechanism is arranged so that the electric melting pipe fitting can be fixed to the surface of the operation table, and the welding quality is improved. According to the welding device, the position cannot deviate when the welding device is in butt joint with a pipe during welding, the welding quality is improved, the welding device can be suitable for welding pipelines of different sizes, and actual operation is facilitated.

The utility model relates to the technical field of carbon brush machining, in particular to a carbon brush contact end face grinding device which adopts a felt roller capable of achieving negative pressure adsorption to efficiently remove carbon powder on the surface of an abrasive belt, avoids reduction of the grinding effect of the abrasive belt, keeps the grinding efficiency of the abrasive belt and is good in practicability. Comprising a bottom plate, a rack, a driving wheel, a driven wheel and an abrasive belt. The shaft pipe is rotationally installed on the rack, a cavity is formed in the shaft pipe, a plurality of air suction holes are formed in the outer wall of the shaft pipe, the felt sleeve is arranged on the outer wall of the shaft pipe in a sleeving mode, a large number of holes are formed in the felt sleeve, the abrasive belt is tensioned through the outer wall of the felt sleeve, and the air suction connector is concentrically installed at one end of the shaft pipe; the air exhaust connector is provided with a rotary connector and connected with an air suction port of the air exhauster through a hose, a carbon brush conveying mechanism is installed on the machine frame, and the carbon brush conveying mechanism presses the end of the carbon brush on the abrasive belt above the driven wheel.

The invention relates to a whole-body wear-resistant special granite ceramic tile for public places and a preparation method thereof. The ceramic tile comprises a polycrystalline-phase wear-resistant green body layer and a decorative wear-resistant layer, and a polycrystalline-phase wear-resistant green body comprises the following raw material components in percentage by weight: 8-15% of ball clay, 8-15% of high-whiteness kaolin, 10-15% of mixed mud, 0-5% of calcined talc, 3-6% of bentonite, 15-25% of potassium sodium stone powder, 8-15% of finely ground lithium tailings, 4-8% of calcined bauxite, 15-25% of fine corundum powder and 0-5% of superfine zirconium silicate. 0-5% of high-purity anatase titanium dioxide powder, 0-1% of a green body reinforcing agent and 1-3% of a dispergator. According to the invention, the polycrystalline phase green body is sintered at high temperature to generate the high-hardness wear-resistant decorative layer, so that the product not only has the properties of high hardness and good wear resistance of natural granite, but also has the physical and chemical properties of pollution resistance, strength, radioactivity and the like, and perfectly presents the texture effect of granite stone.