28results about How to "Reduce grinding costs" patented technology

The invention discloses a method for recovering iron and titanium in vanadium titano-magnetite, and relates to the technical field of vanadium titano-magnetite beneficiation. Raw ore is crushed, and then is subjected to roller milling and screening to obtain oversize and undersize products; undersize products are subjected to weak magnetic pre-selection, tailings obtained after weak magnetic pre-selection and strong magnetic pre-selection are subjected to strong magnetic pre-selection, concentrate obtained after weak magnetic pre-selection and strong magnetic pre-selection are sequentially subjected to first-stage grinding, first-stage weak magnetic separation, second-stage grinding, second-stage weak magnetic separation and second-stage weak magnetic concentration, final iron ore concentrate is obtained, the obtained tailings are combined into iron separation tailings, then the iron separation tailings are subjected to titanium separation grinding, medium magnetic iron removal and strong magnetic roughing, and iron separation tailings are obtained. And tailings obtained after strong magnetic roughing are subjected to strong magnetic scavenging, concentrates obtained after strong magnetic roughing and strong magnetic scavenging are subjected to gravity roughing and gravity concentration, and final titanium concentrates are obtained. By adopting conventional crushing, high-pressure roller grinding, magnetic separation, pre-selection and tailing discarding, the subsequent ore grinding and selecting cost can be effectively reduced, the iron and titanium grades of the ore entering the grinding process are improved, high efficiency and energy conservation are achieved, and the ore dressing efficiency is improved.

The invention discloses a pre-concentration and tailing discarding process for vanadium titano-magnetite, and relates to the technical field of vanadium titano-magnetite beneficiation, and the pre-concentration and tailing discarding process comprises the following steps: raw ore is subjected to crushing operation to obtain a crushed product, and the crushed product is fed into high-pressure roller grinding operation to obtain a high-pressure roller grinding product; the high-pressure roller-milled product is subjected to screening operation, and an oversize product with the large particle size and an undersize product with the small particle size are obtained; the undersize products are subjected to first weak magnetic pre-concentration operation, tailings obtained through the first weak magnetic pre-concentration operation are subjected to first strong magnetic pre-concentration operation, concentrate obtained through the first weak magnetic pre-concentration operation and concentrate obtained through the first strong magnetic pre-concentration operation are combined into final pre-concentration concentrate, and the tailings obtained through the first strong magnetic pre-concentration operation serve as one part of final tailings; the oversize products are subjected to second weak magnetic pre-concentration operation, tailings obtained through the second weak magnetic pre-concentration operation are subjected to second strong magnetic pre-concentration operation, and concentrate obtained through the second weak magnetic pre-concentration operation and concentrate obtained through the second strong magnetic pre-concentration operation are combined and then returned to the high-pressure roller grinding operation; tailings obtained by the second strong magnetic pre-separation operation are used as one part of final tailings. According to the method, crushing, high-pressure roller grinding and screening are adopted, oversize and undersize products obtained through screening are subjected to magnetic separation, pre-concentration and tailing discarding, oversize product pre-concentration concentrate is returned to the high-pressure roller grinding, the subsequent ore grinding and selecting cost is effectively reduced, the iron and titanium grades of subsequent ore entering the grinding process are improved, the load capacity of the high-pressure roller grinding machine can be reduced, and energy consumption and production cost are reduced.

The invention discloses a pipeline butt joint welding seam surplus height grinding device and method, the grinding device comprises an electric control module, a vehicle body module and a milling and grinding device module, and the appearance of a main body of the grinding device is of a cuboid trolley structure with an n-shaped handheld handle on the upper portion; the vehicle body module comprises a vehicle body shell, a lifting hand wheel hole and a metal magnetic wheel; the electric control module is located on the upper portion of the vehicle body module and provides power for the grinding device and controls electrical equipment. The milling and grinding device module is located in a vehicle body shell of the vehicle body module and comprises a lifting hand wheel, a speed reducer, a motor, a frame body and a spiral milling cutter. The grinding device makes contact with a to-be-treated pipeline through the metal magnetic wheel, the position of the milling and grinding device module is controlled by rotating the lifting hand wheel, then the carry distance of the spiral milling cutter is controlled, and the purpose of milling and grinding the weld reinforcement is achieved. The device is compact in structure, convenient to carry, simple in structure, low in use and maintenance cost and easy to operate, and the grinding speed and quality are improved.

The invention relates to an efficient beneficiation process for recycling iron from iron tailings, which comprises the following steps of: feeding magnetite tailing pulp into a tailing recycling machine, feeding concentrate of the recycling machine into a first-section magnetic separator, and feeding concentrate of the first-section magnetic separator into a concentration magnetic separator; directly feeding concentrate of the concentration magnetic separator into a tower mill, feeding discharged ore of the tower mill into a swirler, and returning settled sand of the swirler to the tower mill to form closed-circuit ore grinding; overflow of the cyclone is fed into a second-stage magnetic separator, second-stage magnetic separator concentrate with the grade being 38% or above is obtained, and the second-stage magnetic separator concentrate is fed into a moxa sand mill; ore discharged by the moxa sand mill is fed into a third-section magnetic separator, concentrate of the third-section magnetic separator is fed into a fourth-section magnetic separator, concentrate of the fourth-section magnetic separator is fed into an elutriator, the concentrate of the elutriator is final concentrate, and the grade reaches 66% or above; the elutriator returns to the first section, the second section, the second section, the third section and the fourth section, and tailings of the magnetic separators are converged into comprehensive tailings. By optimizing the technological process, the concentrate grade is improved by more than 2%, and meanwhile, the tailing grade is reduced by 0.3%.

The invention discloses an ore grinding hard rock target detection method and system based on a HardRockNet network structure, and the method comprises the steps: constructing an ore grinding hard rock target detection model which comprises an input layer, a multi-scale feature extraction layer, a DFPN feature fusion layer and an output layer which are sequentially connected in series; the multi-scale feature extraction layer comprises a plurality of feature extraction sub-layers which are sequentially connected in series and have different feature extraction scales, the output ends of the plurality of feature extraction sub-layers are connected with the input end of the DFPN feature fusion layer, and the plurality of feature extraction sub-layers perform feature extraction by adopting a DPBlock module; and detecting hard rock on the ore grinding picture by using the trained target detection model. According to the invention, the DPBlock module and the DFPN module are combined, and a HardRockNet network structure is constructed, so that the small target detection precision is improved, the robustness of complex backgrounds and target overlapping problems is enhanced, and accurate detection of hard rocks is realized.

The utility model discloses an inner ball cage raceway grinding machine which is characterized in that the inner ball cage raceway grinding machine comprises a base, a seat body I is fixed on the base, a vertical guide rail is fixed above the seat body I, the vertical guide rail comprises a fixed part and a movable part, a lengthened seat is arranged on the movable part, a grinding tool and an electric spindle are fixed on the lengthened seat, and the electric spindle provides power for the grinding tool. A cross-shaped guide rail is further fixed to the base, a base body II is fixed to the movable end of the cross-shaped guide rail, a rotating disc is fixed to the upper portion of the base body II, a chuck is fixed to the movable end of the rotating disc through a connecting plate, and the chuck is located below the lengthened base. The grinding tool comprises a rod body, an input shaft and an output shaft are installed at the two ends of the rod body respectively through bearings, an input connector is arranged at one end of the input shaft, the input shaft is connected with the motorized spindle through the input connector, a grinding wheel is installed at one end of the output shaft, and the input shaft is connected with the output shaft through a transmission assembly. According to the transmission assembly, belt wheels are arranged in the middle of the input shaft and the middle of the output shaft and are in transmission connection through a belt.

The invention discloses a surface treatment method of a TC4 titanium alloy bar billet. According to the method, the surface defects of the TC4 titanium alloy bar billet are removed by adopting a process route of peeling, pickling and polishing, and the surface defects are exposed by adjusting the peeling speed, peeling amount, cutting fluid concentration, pickling solution preparation and pickling conditions of a centerless lathe; and finally, residual defects on the surface of the TC4 bar billet are removed through polishing, so that the surface quality of the TC4 titanium alloy intermediate billet produced through hot working such as rolling or forging is improved. According to the method, through cooperation of the working procedures of peeling, acid pickling, inspection, polishing, inspection and the like, the defects of oxide skin, cracks, wrinkles and the like on the surface of the titanium alloy can be effectively removed, meanwhile, the polishing cost of the TC4 titanium alloy bar billet can be reduced to the maximum extent, the defects on the surface of the TC4 titanium alloy are effectively removed, a TC4 titanium alloy finished product has good surface quality, and the quality of the finished product is improved. The machining cost of the TC4 titanium alloy intermediate blank is reduced to a great extent, and the yield of TC4 titanium alloy products is increased.

The invention relates to the technical field of grinding machines, in particular to a tool grinding machine which comprises a machine body, a material rotating assembly, a mounting seat, a working rotary table, a left grinding wheel assembly, a right grinding wheel assembly, a supporting seat and a standby grinding wheel assembly. A clamping spindle used for driving a tool to be machined to rotate is fixedly installed on the upper side of the working rotary table. The tool grinding machine is reasonable and compact in structure, can be used for machining to-be-machined tools of different specifications, so that grinding equipment is more flexible, the grinding wheel can be automatically replaced according to the grinding technology, the grinding requirements of various tools are met, and the grinding efficiency is improved. Grinding wheels or grinding wheel combinations of various specifications can be prepared according to the grinding technology before the tool is ground, the time for replacing the grinding wheels is shortened, the safety risk existing in the manual grinding wheel replacing process is reduced, meanwhile, accurate matching can be achieved in the grinding wheel replacing process of the tool grinding machine, and therefore errors of the grinding tool are reduced, and the grinding quality is improved.

The present invention relates to a method for determining a reasonable concentrate grade in a magnetic separation-fine screening regrinding process, which is characterized by comprising the following steps: firstly, under the condition that the mth concentrate grade product is obtained in the process flow, by determining the utilization coefficient q of each mill stage n And calculate the feed rate γ of each grinding and classification operation n , calculate the comprehensive utilization coefficient of the mill q 综m ; Then, the grinding cost C corresponding to the known production cost C1 is 磨1 and mill comprehensive utilization coefficient q 综1 As a benchmark, the mth concentrate grade product will be obtained when q 综m Value and q 综1 Compare and calculate the grinding cost C corresponding to the mth concentrate grade product 磨m ; Finally, the profit difference ΔR between the production of the mth concentrate grade product and the first concentrate grade product is calculated, and the reasonable concentrate grade is determined accordingly. The advantages of the present invention are: predicting the reasonable concentrate grade in advance is conducive to decision-making and guiding production, reducing costs, and improving economic benefits and market competitiveness.

Raw ore is extruded and crushed through a high-pressure double-roller machine and sieved through a linear sieve, then the raw ore is fed into a coarse grain magnetic separator for ore dressing and tailing discarding, and obtained rough concentrate is subjected to ore dressing and tailing discarding through a two-stage ore grinding-magnetic separation-rotational flow classification circulation process. And the obtained second-section overflow product is subjected to dewatering screen and concentration magnetic separation to obtain concentrated iron ore concentrate pulp, the concentrated iron ore concentrate pulp is subjected to ore grinding through a moxa sand mill and then elutriation, high-grade total iron ore concentrate is obtained, elutriation overflow water returns to a linear screen to be reused, and tailings in the technological process are subjected to rotational flow classification, dewatering or concentration and filter pressing to form different tailings products. By adjusting the sequence of magnetic separation and rotational flow classification and adding the moxa sand milling procedure and the tailing treatment procedure, the method has the characteristics of simple process flow, large treatment capacity, segmented tailing discarding, low production cost, high grade of total iron ore concentrate, high comprehensive utilization rate of tailings, environmental friendliness and the like, and the utilization value of ultra-lean, fine and miscellaneous magnetite is greatly improved.

The utility model discloses a duplicate gear grinding device which comprises a base (1), a grinding wheel (2), a grinding motor (3) and a positioning seat (4), a liquid collecting tank (5) is arranged between the grinding wheel (2) and the positioning seat (4), a filter screen (6) and a scraper (7) are arranged in the liquid collecting tank (5), and one end of the scraper (7) is connected with a driving device. A portal frame (8) is arranged above the liquid collecting tank (5), and a spraying head (9) is mounted on the portal frame (8); a liquid supply tank (10) located on one side face of the base (1) is connected to the spraying head (9), and the liquid supply tank (10) is communicated with the liquid collecting tank (5); and the positioning seat (4) is connected with a translation device for driving the positioning seat (4) to move. The grinding device not only can improve the working efficiency, but also has the advantages of being low in grinding cost, convenient to clean and use, long in service life, good in grinding effect, high in structural stability and wide in application range.

The invention discloses a beneficiation method for weathered ilmenite, and belongs to the technical field of beneficiation. According to the method, efficient recovery of the weathered ilmenite is achieved through the combined process of stage iron separation, strong magnetic pre-enrichment, multi-stage spiral chute separation, strong magnetic concentration and suspended vibration conical surface separation, and the separation indexes that the concentrate grade is 46% or above and the recovery rate is 70-78% are obtained. According to the suspended vibration conical surface concentrating machine, fine separation of titanium-containing middlings can be achieved, and compared with a conventional spiral chute and a conventional shaking table, the recovery rate of ilmenite concentrate can be increased by 5-10%, and the concentrate grade is increased by 3% or above. The method can avoid the over-grinding phenomenon, saves the cost, improves the recovery efficiency, and has a wide application prospect.

The embodiment of the invention provides an automatic grinding system applied to fan blades. The automatic grinding system comprises a grinding device, an AGV and an upper computer. The grinding device is arranged on the AGV, and the AGV is in communication connection with the upper computer; when the AGV is in an automatic state, the AGV obtains distance information between the AGV and a fan blade and sends the distance information to the upper computer, the upper computer generates a corresponding movement instruction according to the distance information and sends the movement instruction to the AGV, and the movement instruction comprises a longitudinal movement parameter, a transverse movement parameter and an in-situ rotation parameter; and the AGV executes a corresponding moving operation according to the moving instruction, so that the polishing device polishes the fan blade. According to the technical scheme, on the basis that the grinding quality of the fan blade is guaranteed, the grinding efficiency of the fan blade is improved, and the grinding cost is saved.

Provided is a CNC high-speed double-grinding wheel frame bridge housing grinder, with adjustable multi-layer fixed headstock and fixed tailstock fixed at the left and right ends of the workbench respectively, the right end of the workpiece supported on the workbench by a measuring instrument, a bracket and a hydraulic tracking center frame is tightened by the top of the fixed tailstock, the top of the headstock in the adjustable multi-layer fixed headstock tightens the left end of the workpiece, the inner expansion block at the right end of the adjustable multi-layer fixed headstock tightens the inner hole at the left end of the workpiece, and the workpiece is driven to rotate by the servo motor in the adjustable multi-layer fixed headstock; a composite feeding device is provided at the rear end of the plane on the machine bed, and the grinding process of the left and right ends of the workpiece is realized by the composite feeding device and the grinding wheel frame grinding device. The present invention adopts a double-grinding wheel frame grinder structure to realize simultaneous grinding of both ends of the workpiece, and there is no need to turn the workpiece during the grinding process, eliminating the disadvantages of secondary clamping and turning grinding of the workpiece, improving the grinding efficiency of the workpiece, and the grinding cost of the workpiece is low and the grinding effect of the workpiece is good.

The application discloses a reverse and direct coupling flash smelting furnace and method, and belongs to the technical field of metallurgy. The furnace body comprises a direct flow reaction zone, a reverse flow reaction zone and a molten pool zone. Larger particle size furnace charges enter the reaction from the reverse flow reaction zone, and smaller particle size furnace charges enter the reaction from the direct flow reaction zone. Reducing gas is introduced from the upper part of the direct flow reaction zone, and after the gas reacts with fine particles in the direct flow downward, the gas enters the reverse flow reaction zone to exchange heat with coarse particles in the reverse flow, and finally tail gas is discharged from the upper part of the reverse flow reaction zone. Molten materials are separated into molten iron and slag layers in the bottom molten pool and discharged respectively. The method couples the reverse flow and the direct flow, integrates the advantages of the two smelting modes, avoids the shortcomings of the two smelting modes, effectively improves the metal yield and the overall energy efficiency, and reduces the raw material grinding cost and the tail gas heat loss.

The present invention relates to a terahertz imaging reflector mirror processing equipment, and relates to the technical field of parabolic mirror processing equipment, including a deflection main frame, on the deflection axis of the deflection main frame, a plurality of rotating spindles that follow the deflection movement are arranged annularly at intervals, the rotating spindle can locate a plurality of continuous processing stations distributed at equal intervals, a coaxial clamping assembly is installed at one end of the rotating spindle, the coaxial clamping assembly can limit the relative station where the axis of the off-axis parabolic mirror surface of the workpiece is coaxial with the rotation center of the rotating spindle; on the radial outer side of the deflection axis, a calibration distance measuring assembly, a variable grinding assembly, a cleaning assembly, and a secondary polishing assembly that match the plurality of continuous processing stations positioned by the rotating spindle and can continuously process the off-axis parabolic mirror surface are also arranged annularly at intervals. The present invention can continuously and uninterruptedly perform batch off-axis parabolic mirror processing, thereby improving processing efficiency and processing quality.

The present invention relates to an ultrasonic grinding structure, device, system and method. The ultrasonic grinding structure comprises a grinding unit and an ultrasonic unit. The ultrasonic unit is arranged in the grinding unit and is used for ultrasonically dispersing the grinding liquid and transmitting ultrasonic waves through the grinding liquid. The advantages are that the transverse wave characteristics of ultrasonic waves are used to help eliminate the rough and uneven peaks to be removed from the grinding plane through shock wave oscillation and impact; the mechanical wave characteristics of ultrasonic waves are used to help disperse dense grinding particles, thereby improving grinding efficiency and shortening grinding time; there is no need to adjust the concentration, particle size and other properties of the grinding liquid, and while improving grinding efficiency, the grinding cost is reduced.

The invention relates to a long-life high-precision grinding wheel moving mechanism which comprises a grinding wheel box body, an upper inner grinding wheel is arranged in the upper space in the grinding wheel box body, the grinding wheel box body is sleeved with an upper outer grinding wheel, an inner plate is arranged on a bottom plate on the grinding wheel box body, a grinding wheel hole is formed in the middle of the inner plate, and an inclined hopper is arranged on the bottom face of the inner plate. A cylindrical sliding base is arranged in a hole in the center of the inner bottom wall of the inclined hopper, a cylindrical sliding sleeve is arranged in a cylindrical sliding base hole, a disc is arranged on the flange face of the cylindrical sliding sleeve, and an outer dustproof sleeve is arranged below the disc. A sliding pair, a screw transmission mechanism, a gear transmission mechanism and a guide mechanism are separately designed, and an adjusting nut is arranged on the lower end face of a gear nut, so that the axial clearance can be adjusted after a thread pair is abraded. The device has the effect of improving the transmission precision stability of the thread pair.

This utility model discloses a battery aluminum shell edge trimming device, belonging to the field of battery aluminum shell processing. It mainly includes a cutting assembly, which comprises a movable plate connected by four sets of support pillars. Cutting sections are installed on the four sides of the movable plate, each including a side connecting block mounted on the side of the movable plate. Each side connecting block has a U-shaped groove and a second U-shaped groove on its connecting side to the movable plate. A fixed seat is installed on the side connecting block, and a second cylinder is installed on the fixed seat. The output end of the second cylinder is connected to a connecting plate, and a third cylinder is installed on the connecting plate. The telescopic end of the third cylinder is connected to the fixed section. A U-shaped rod is installed on the fixed section, and a saw blade movably passes through the two right-angled ends of the U-shaped rod. The saw blade has inserts at both ends that form sliding pairs with the right-angled ends of the U-shaped rod. A pushing part is installed on the connecting plate. This battery aluminum shell edge trimming device, by connecting the movable plate and the cutting sections through support pillars, replaces traditional rotary cutting, controls the saw blade to achieve independent cutting, disperses stress, and reduces burrs.

The invention relates to the technical field of rail car assembly manufacturing and machining, in particular to a rail car assembly manufacturing and machining technology which comprises a positioning unit and a polishing unit. Through cooperation of a rotary grinding frame and a rubbing and grinding frame, after a plurality of traction hooks are fixed, hole inner wall rotary grinding and plane rubbing and grinding are conducted on the left side and the right side of the traction hooks correspondingly; then, the positions of the rotary grinding frame and the grinding frame are exchanged, rotation of the towing hook is changed through the grinding frame, and then rotary grinding of the inner wall of the hole and rubbing grinding of the plane are conducted on the right side and the left side of the towing hook correspondingly, so that it is guaranteed that the inner wall of the hole and the plane of the towing hook are completely ground, and in the whole grinding process, the position of the towing hook does not need to be changed; therefore, it is ensured that adjustment in the vertical direction is not needed after the positions of the rotary grinding frame and the grinding frame are exchanged, the grinding efficiency of the equipment is improved, rotary grinding and grinding can be completed through one drive in the whole grinding process, and the grinding cost is reduced.

The present application relates to the technical field of maintenance of peripheral grinders, and in particular to a cleaning device and a cleaning method for a peripheral grinder grinding wheel. The cleaning device for the peripheral grinder grinding wheel comprises: a cleaning grinding wheel, a blade grinding wheel and a blade; wherein the blade grinding wheel is detachably fixed to the cleaning grinding wheel, and the blade grinding wheel is coaxially arranged with the cleaning grinding wheel; the outer side of the blade grinding wheel perpendicular to its axial direction is formed with a mounting groove, and the blade is fixed in the mounting groove. The cleaning device for the peripheral grinder grinding wheel provided in the present application has made changes to the original cleaning grinding wheel, and a blade grinding wheel with an integrated blade is installed on the side surface of the cleaning grinding wheel away from the cleaning grinding wheel, and then the blade can be used to replace the cleaning grinding wheel to grind the main grinding wheel of the peripheral grinder. It can be seen that while the main grinding wheel of the peripheral grinder is being cleaned, the blade is ground, that is, the grinding wheel wear of the main grinding wheel that should have been discarded is used to grind the blade, which greatly reduces the grinding cost of the blade.

The invention discloses an electrode plate continuous grinding device which comprises a circulating sedimentation tank, a grinding controller, a grinding tank, a filtering tank and a filtering controller, the grinding controller is installed on the outer side of the tank wall of the grinding tank, and the filtering controller is installed on the outer side of the tank wall of the filtering tank. A water supplementing pipe and a water quality sensor which extend into the filtering tank are mounted on the filtering controller, an overflow hole is formed in the tank wall of the grinding tank, the circulating sedimentation tank is connected with the overflow hole through a first circulating pipe, a fine filter is mounted in the filtering tank, and a second circulating pipe is mounted in the fine filter. A second circulating pipe is arranged between the filter tank and the circulating sedimentation tank, a water inlet pipe on the fine filter is connected with the second circulating pipe, an auxiliary water pump is mounted on the second circulating pipe, and an overflow pipe is further mounted on the filter tank. In this way, the service life of grinding liquid can be prolonged, waste of the grinding liquid is reduced, the liquid changing frequency is reduced, and the production efficiency is improved.

The utility model relates to the field of bicycle parts forging, especially to the field of front fork shoulder cover forging blank, concretely relates to a front fork shoulder cover forging blank flash cutting die, including upper die plate and die holder, the upper die plate is located the top of die holder and can move up and down, the bottom surface of upper die plate is installed with punch, the bottom surface of punch is the C concave surface that accords with the broken line profile of front fork shoulder cover forging blank top surface, three positioning bosses are equipped on the C concave surface along the length direction, three positioning bosses can correspondingly embed in three pipe holes of front fork shoulder cover forging blank, the top of die holder is connected with mould core, the top of mould core is the C convex surface that accords with the curve profile of front fork shoulder cover forging blank bottom surface, the C convex surface is equipped with the trimming port that penetrates mould core, the die holder is equipped with blanking channel that communicates trimming port.

The utility model discloses a flat knife sharpener for neodymium iron boron processing, which comprises a spindle box and a grinding wheel, the spindle box is used for clamping a product to be processed and driving the product to rotate in a vertical plane, the spindle box is mounted on a first driving mechanism used for driving the spindle box to rotate, move left and right and move front and back in a horizontal plane, and the grinding wheel is mounted on the spindle box. The grinding wheel is installed and connected with a second driving mechanism used for driving the grinding wheel to rotate in the vertical plane, a product to be machined can be clamped through the spindle box and driven to rotate in the vertical plane, and the spindle box can be driven to rotate, move left and right and move front and back in the horizontal plane through the first driving mechanism. Therefore, the to-be-machined product can be driven to rotate in the vertical plane, rotate in the horizontal plane, move left and right and move front and back, so that the to-be-machined product is subjected to multi-dimensional grinding, the to-be-machined product does not need to be manually ground, the grinding cost can be reduced, and meanwhile, the grinding efficiency and the grinding precision are high.

The utility model relates to the technical field of polishing heads, and discloses a polishing head assembly and magnetic material polishing equipment thereof, the polishing head assembly comprises a base, the top of the base is movably connected with a rotating motor, the top of the base is also movably connected with a cylindrical polishing roller, the top of the base is provided with a quick insertion structure, the quick insertion structure comprises a receiving box, an alignment block and a connecting groove, the storage box is movably connected to the top of the base, the alignment block is fixedly connected to the bottom of the storage box, the connecting groove is formed in the top of the base, the storage box and the base can be connected through the quick insertion structure, and the grinding roller can be quickly replaced by arranging the quick insertion structure; and the polishing roller can be fixed only by being inserted into the top of the base when being mounted.

The invention discloses a brake pad flat grinding device, and relates to the technical field of brake pad production, the device comprises a sander, a first bottom plate, a second bottom plate, a fixing assembly and a material ejecting assembly, the sander is arranged on the upper surface of the first bottom plate, a plurality of fixing columns are arranged on the lower surface of the first bottom plate, and a plurality of fixing columns are arranged on the lower surface of the second bottom plate; the lower surface of the second bottom plate is fixedly connected with a motor through a support, the second bottom plate is connected with a rotating shaft through a bearing, the output end of the motor is connected with the rotating shaft, the top end of the rotating shaft is fixedly connected with a rotating disc, and a plurality of fixing grooves distributed circumferentially are formed in the upper surface of the rotating disc. According to the brake pad polishing device, automatic fixing and automatic unlocking of the brake pad can be completed through the fixing assembly in the rotating process of the rotating disc, multiple additional driving devices are not needed for clamping, the brake pad polishing cost is reduced, and the electricity consumption is reduced.

The invention discloses a double-stroke grinding frame device, comprising a large slide of a grinding machine, a grinding frame, a movable pad, a first driving device, a second driving device and a positioning device. The movable pad can be installed on the large slide of the grinding machine by sliding radially along the main shaft of the grinding machine on a horizontal plane for a set distance. The grinding frame can be installed on the movable pad by sliding radially along the main shaft of the grinding machine on a horizontal plane for a set distance. The first driving device and the second driving device drive the movable pad and the grinding frame to move respectively. The positioning device can fix the large slide of the grinding machine with the movable pad at any position. The invention forms a grinding frame feeding structure with a double stroke. The double-stroke grinding frame can realize the adjustment of the mold frame stroke, thereby adapting to the grinding of workpieces with different diameter differences, greatly improving the grinding compatibility of the grinding machine and reducing the grinding cost.

The present invention relates to an intelligent steam pipe oxide scale removal robot, comprising: a driving frame, a clamping wheel device, a guide rail, a working frame, a wire brush device and an electric engraving pen array; comprising the steps of: opening the driving frame by rotating a pin shaft, sleeved on the pipeline and locking it; synchronously adjusting several clamping wheel devices so that the driving frame is symmetrically clamped on the pipeline; installing the guide rail on the driving frame; the pulleys on the fixed pulley and the spring clip respectively fit on both sides of the guide rail; and installing the wire brush device and the electric engraving pen array on the working frame; starting the power table, the wire brush device and the electric engraving pen array. The beneficial effects of the present invention are: a fixed spring and a supporting spring are provided in the clamping wheel device, which always provide an extrusion force to the pipeline, and can adapt to pipelines within a certain diameter range; the wire brush device and the electric engraving pen array can grind and hammer the pipeline surface twice to peel it one after another; the robot can be used for pipeline painting or detection, and is suitable for a variety of application scenarios.