19results about How to "Reduce grinding process" patented technology

The invention relates to the technical field of rare earth ore concentrate treatment, in particular to a rare earth ore concentrate treatment method. The treatment method of the rare earth concentrate comprises the following steps that the rare earth concentrate, a calcium-containing compound, silicon dioxide and carbon powder are mixed and roasted, and roasted ore is obtained; water is added into the roasted ore for size mixing, and size is obtained; and acid is added into the slurry for reaction, solid-liquid separation is carried out, and acid leaching residues and rare earth chloride feed liquid are obtained. The method has the advantages of being simple in technological process, high in rare earth recovery rate, short in reaction time, environmentally friendly, low in cost and diversified in rare earth grade applicability. The silicon dioxide can increase the decomposition activity of bastnaesite and monazite in the rare earth ore, rare earth compounds easy to leach can be generated, and therefore the decomposition rate of the rare earth ore concentrate is increased, and calcium can also play a role in fixing fluorine. According to the method, the rare earth decomposition rate is 98% or above, and the rare earth leaching rate is 96% or above.

The application belongs to the technical field of steel paper board, and particularly relates to a preparation device and method of glass fiber raw paper sandwich pulp material, the preparation device comprises a rack, a conveying belt, a blanking pipe and a mixing pipe, the conveying belt and the blanking pipe are respectively communicated with a mixing chamber of the mixing pipe, glass fiber and cotton linter fiber are respectively dropped into the mixing chamber through the conveying belt and the blanking pipe, a spray gun and a roller are further arranged in the mixing chamber, the cotton linter fiber is mixed with the glass fiber in the mixing chamber and adhered to the surface of the glass fiber through the rotation of the roller, and a collecting groove is further fixed to the output end of the mixing pipe. The modified glass fiber is formed by adhering the glass fiber and the cotton linter fiber, the cotton linter fiber on the surface of the glass fiber holds the cotton fiber in the pulp, so that the modified glass fiber has high bonding degree with the pulp.

The invention relates to the technical field of tractor gearbox machining equipment, and discloses a cutting device for tractor gearbox machining. A bearing mechanism used for bearing a to-be-machined gear is arranged in the middle of the upper surface of a base, and sliding rails arranged in the length direction of the base are arranged on the upper side and the lower side of the bearing mechanism correspondingly; the two ends of the sliding rail are in sliding fit with movable blocks located on the two sides of the bearing mechanism correspondingly, the two movable blocks are each provided with an installation base, one installation base is provided with a cutting mechanism used for cutting the to-be-machined gear on the bearing mechanism, and the other installation base is provided with a grinding mechanism used for grinding the to-be-machined gear. On the basis of original cutting machining of the tractor gearbox gear, grinding and secondary machining can be synchronously carried out on a tooth groove formed in the gear through cutting machining, the machining quality of the tractor gearbox gear is greatly improved, the subsequent grinding procedure is reduced, the machining efficiency is improved, and the machining cost is reduced. And the machining production efficiency of the tractor gearbox gear is greatly improved.

This invention relates to a die head grinding device, comprising a frame, a rail, a die head transport plate, mechanism A, a moving beam, mechanism B, mechanism C, a grinding head, and a vertical grinder. The grinding head support is connected to the moving beam, and both the grinding head and the vertical grinder are connected to the grinding head support. The grinding head is a columnar structure consisting of cylindrical surfaces, rectangular grinding surfaces a, b, and c arranged sequentially along the circumference. The front side of the vertical grinder is provided with vertical grinding surfaces I, II, and III. Mechanism B controls the movement of the moving beam in the front-back direction, and mechanism C controls the movement of the grinding head support in the left-right direction. This die head grinding device can achieve grinding of horizontal and vertical die lips with different precision, is convenient and fast, greatly accelerates the die head grinding completion time, and improves work efficiency.

The invention relates to the field of compressor valve plates, in particular to a compressor valve plate end face grinding special resin grinding wheel and a preparation method thereof.The compressor valve plate end face grinding special resin grinding wheel comprises, by weight, 100 parts of grinding materials, 4-6 parts of phenolic resin liquid, 10-15 parts of phenolic resin powder, 1-2 parts of polyvinyl butyral resin, 2-3 parts of gypsum powder, 1-2 parts of potassium fluoborate and 1-2 parts of zinc sulfide. Wherein the grinding material is a large-particle corundum micro-powder agglomerated grinding material prepared by utilizing a ceramic bonding agent. The large-particle corundum micro-powder aggregate prepared by the ceramic bond is used as the abrasive material, the abrasive material has a porous structure, high bonding strength and good self-sharpening performance, the resin grinding wheel prepared by the abrasive material has the advantages of loose structure, high mechanical strength, good retentivity and the like, and the abrasive material has the good self-sharpening performance on the premise that the roughness is guaranteed. The grinding efficiency is high, the heat dissipation performance is good, the single-time feed amount is large, finishing is not needed, the grinding procedures can be reduced, and the workpiece surface precision is guaranteed.

The present invention belongs to the technical field of new energy vehicles, and relates to a thin-walled cavity battery pack structure, welding tooling and welding process. The cooperation of the L-shaped baffles on the left and right sides of the battery pack and the corresponding lateral clamps can make the welds between the middle long bottom plate, the upper left bottom plate, the upper right bottom plate, the lower left bottom plate, the lower right bottom plate, the left upper side beam, the left lower side beam, the right upper side beam and the right lower side beam meet the production requirements; the longitudinal clamps on the upper and lower sides of the battery pack can longitudinally clamp the middle long bottom plate, the upper left bottom plate, the upper right bottom plate, the lower left bottom plate and the lower right bottom plate; the bottom plate clamp can clamp the middle long bottom plate onto the bottom plate. Through the cooperation of the lateral clamps, the longitudinal clamps and the bottom plate clamps, it can be ensured that the dimensional tolerances of the thin-walled cavity battery after welding meet the requirements of the drawings, reducing the man-hours used for the battery pack assembly point fixing, ensuring the assembly accuracy, and improving the dimensional consistency of the battery pack assembly after welding.

The embodiment of the utility model provides a cleaning device and a closestool. The cleaning device comprises a spray rod; a plurality of water inlet holes and water outlet holes are formed in the spraying rod; a plurality of mutually independent flow channels are arranged in the spraying rod, and each flow channel penetrates through one water inlet hole and the corresponding water outlet hole; a sliding distribution valve; the sliding distribution valve is provided with a main water inlet; the sliding distribution valve can move relative to the spraying rod so that the main water inlet can be selectively communicated with one flow channel. The spray rod and the sliding distribution valve are integrated, and the design of a flow channel is adopted, so that the utilization efficiency of the internal space of the whole machine is improved, and a plurality of silicone tubes are prevented from being used; residual water in the spray rod can be effectively discharged, cold water is prevented from being formed in the spray rod, and therefore the initial water temperature is increased, and the water temperature of the first cleaning water flow making contact with the human body can make a user obtain better experience feeling; on the premise that a user obtains good experience, the stretching time of the spray rod can meet the international standard.

The utility model relates to the field of lifting appliances, in particular to a wind-resistant ring lifting appliance for a storage tank, and aims to solve the technical problems that a wind-resistant ring is easy to burn and the lifting efficiency is low in an existing lifting mode. The wind-resistant ring lifting appliance for the storage tank comprises a nipper fixed block, a nipper movable block, a limiting pin shaft and a locking assembly, the nipper fixed block penetrates through the nipper movable block and is provided with a front end part and a rear end part which are opposite in direction; the nipper movable block can slide between the front end part and the rear end part on the nipper fixed block, and can extend into an inner groove of the wind-resistant ring in the process of sliding towards the front end part, so that a clamping space for clamping the wind-resistant ring is formed by the nipper movable block and the front end part; the limiting pin shaft is used for being inserted into the grasping forceps fixed block so as to limit sliding of the grasping forceps movable block after a clamping space is formed; the locking assembly is arranged on the nipper fixing block and used for locking or unlocking insertion and extraction of the limiting pin shaft. According to the wind-resistant ring lifting appliance for the storage tank, the wind-resistant ring is effectively clamped and fixed, the working procedures of lifting lug welding and grinding are omitted, disassembly and assembly are convenient, and the working efficiency is greatly improved.

The present invention relates to the technical field of aluminum profile processing, and specifically is an aluminum profile processing machine tool with full-automatic loading and unloading functions, comprising a conveying table, a cutting table is fixed at one end of the conveying table, a fixing mechanism is fixed on the top surface of the cutting table, a cutting mechanism is arranged on the bottom surface of the cutting table, a loading mechanism is arranged on one side of the conveying table, a discharging mechanism is arranged on the bottom of the conveying table, a moving mechanism is arranged between the two ends of the bottom surface of the conveying table, a rectangular hole is opened through the top surface of the conveying table, and a conveying mechanism is arranged between the two ends of the moving mechanism. In the present invention, by starting four cylinders, multiple round rollers can be driven to move the aluminum tube downward, so that the end outer wall of the aluminum tube is close to the cutting table, and then through the cooperation of the fixing mechanism, the cross section of the aluminum tube after being cut by the cutting mechanism can be made flat, so that the process of grinding the cross section can be reduced, thereby improving the efficiency of aluminum tube processing.

The application discloses a cutting and welding integrated device and method for a building steel decorative plate; the application sprays active alloy powder to a welding edge position to strip burr surface oxide scales and embed the powder to form a to-be-welded active layer; the active alloy powder is used to remove the burr surface oxide scales by using powder spraying kinetic energy to expose pure metal and embed the powder in the welding edge position to form a to-be-welded active layer with gradient distribution; in arc discharge, the burr tip forms a stable arc striking channel to avoid arc running away and cause the thin decorative plate to be burnt through; the embedded powder absorbs excess heat energy by phase change latent heat in the molten pool formed by layer-by-layer melting, thereby reducing the polishing process, and the burrs originally belonging to processing waste are converted into self-melting filler; meanwhile, the internal slag inclusion and opening layering defects in the splicing of dissimilar metal composite plates are radically solved, and the welding firmness between the steel decorative plates is improved.

The utility model discloses an end socket reinforcing ring automatic welding fixing device which comprises a rotating bottom plate, a fixed core seat and a self-aligning clamp, the fixed core seat is fixedly installed at the center position of the rotating bottom plate and comprises a base, an end cover, a pressing plate and a pressing bolt, the base is fixed on the rotating bottom plate, the top end of the base is fixedly connected with the end cover, and the pressing plate is fixedly connected with the self-aligning clamp. The end cover is in threaded connection with a compression bolt, the pressing plate is fixed to the end cover through the compression bolt and clamps a workpiece end socket, a plurality of aligning clamps are evenly arranged on the outer edge of the rotating bottom plate in the circumferential direction, each aligning clamp comprises a fixing block and a chuck, a clamping block is fixedly installed at the bottom of each fixing block, and the clamping blocks are correspondingly connected with the rotating bottom plate in an inserted mode. The chuck comprises a chuck upper portion and a chuck bottom, the chuck bottom is fixedly connected to the rotating bottom plate, the chuck upper portion slides front and back along the chuck bottom, a mounting hole is formed in the chuck upper portion, an adjusting shaft is rotationally connected into the mounting hole, and the adjusting shaft is in threaded connection with the fixing block. The automatic welding device is used for achieving automatic welding of a single end socket reinforcing ring.

This invention relates to the field of cutting equipment technology and discloses a fixed-length cutting device for glass tube processing based on laser cutting. A laser is bolted to one side of the worktable, and a positioning component is provided on one side of the upper end of the worktable. A hydraulic rod and a driving component are fixedly installed inside the worktable, and a fixed-length component is provided at one end of the hydraulic rod. The fixed-length component includes a collar rotatably connected to the hydraulic rod. Multiple sets of conveying mechanisms are symmetrically arranged on the inner wall of the collar, and a cleaning component is provided on one side of the collar. The conveying mechanism includes an elastic element connected to the inner wall of the collar. A roller is sleeved in the middle of the outer wall of the elastic element, and clamping components are provided on both sides of the outer wall of the elastic element. This realizes fully automated batch processing of fixed-length feeding, rotary cutting, resetting cleaning, and fixed-length feeding, reducing manual intervention.

The utility model provides a positioning device for denture implantation, which comprises a positioning base plate, a positioning base plate and a positioning device, the false tooth mounting plate covers the positioning base plate in a removable manner, the false tooth mounting plate is provided with an implant avoiding groove and a false tooth connecting part, when the false tooth mounting plate covers the positioning base plate, the implant avoiding groove corresponds to the false tooth accommodating groove, and the positioning base plate is in positioning fit with the false tooth mounting plate. Through the technical scheme provided by the invention, the problem of low operation efficiency in related technologies can be solved.

The application discloses a gold surface hammer grain processing method and a gold ornament, and comprises the following steps: sanding, using sandpaper to coarsely grind the gold surface; chiseling, using a pointed chisel needle to strike the coarsely ground gold surface to form fine concave-convex textures on the gold surface. The application changes the hammer grain process in the existing gold ornament industry, forms obvious hammer grain that is obviously different from hammer grain, and makes the hammer grain on the gold ornament surface more delicate and beautiful.

The utility model provides a metal powder grinding and filtering device which comprises a base, a support frame fixed at the top of the base, a grinding box with an open top fixed at the top of the support frame, a mounting plate fixed in the grinding box, a vertical rotating shaft rotatably mounted on the mounting plate, and a grinding roller fixed at the bottom of the rotating shaft, gaps exist between the grinding rollers and the inner side wall of the grinding box, and a discharging opening communicating with the interior of the grinding box is formed in the bottom of the grinding box. When metal scrap iron is ground and metal powder in the filter screen cylinder is conveyed towards the discharging pipe through the conveying mechanism, the metal powder is filtered through the filter screen cylinder, so that large-particle metal powder is left in the filter screen cylinder, the metal powder is filtered, the production quality during powder metallurgy is improved, and the production efficiency is improved. And meanwhile, the large-particle metal powder is conveyed into the discharging pipe through the conveying mechanism, so that the large-particle metal powder falls into the grinding box for secondary grinding, the metal powder grinding procedure is reduced, and the working efficiency is improved.

The embodiment of the utility model discloses a pressing mechanism. The pressing mechanism is applied to the welding process of the head displayer of the integrated cooker. The head displayer comprises an upper plate and a U-shaped plate. The pressing mechanism comprises a pressing assembly, an upper plate positioning assembly and U-shaped plate positioning assemblies, the upper plate positioning assembly is used for fixing an upper plate, the U-shaped plate positioning assemblies are used for fixing U-shaped plates, and the U-shaped plate positioning assemblies are arranged on the two sides of the upper plate positioning assembly and used for driving the U-shaped plates to move towards the upper plate positioning assembly. The to-be-welded side edges of the upper plate and the U-shaped plate are attached; the pressing assembly is used for pressing the side edge to be welded in the first preset direction, the second preset direction and the third preset direction. According to the pressing mechanism, the side edge to be welded is pressed in multiple directions, the problem that the head displayer is prone to loosening and dislocation during welding is solved, the welding consistency is guaranteed, the polishing procedure is reduced, the appearance is smoother, welding is conducted after automatic pressing, manpower is greatly saved, and the working efficiency is improved.

The utility model discloses a kind of semiconductor packaging structures capable of reducing the overall thickness of packaging, it relates to the field of semiconductor packaging, including first substrate, semiconductor element and second substrate, characterized by: the first substrate top end is fixedly connected with fixed column, the semiconductor element is attached to the first substrate top end in flip-chip mode, and semiconductor element edge two sides are sleeved on fixed column, and fixed column protrudes semiconductor element, in the superposition packaging scene of multiple groups of semiconductor element and substrate, fixed column can be used as positioning reference, ensure that the strict parallel relationship between second substrate and semiconductor element, first substrate, avoid the component inclination caused by inaccurate positioning in traditional superposition packaging;The elimination of component inclination can prevent the additional increase of encapsulation glue thickness due to uneven gap in packaging process, ensure the consistency of overall thickness after superposition packaging.

The invention discloses automatic blanking welding equipment, and relates to the technical field of welding equipment, the automatic blanking welding equipment comprises an operation platform, a welding mechanism, two groups of movable clamps and a covering protection mechanism, the welding mechanism comprises a welding seat and a welding machine, the movable clamps comprise electric slide rails, and a three-jaw chuck is fixed on an output shaft of a driving motor; through the arrangement of the covering protection mechanism, when a to-be-welded automobile pipe fitting enters the inner side of the welding seat under the action of an electric sliding rail, an extrusion type power part in the covering protection mechanism is extruded by the pipe fitting in advance to act on two movable covering plates to relatively slide until silica gel pads on the opposite surfaces of the two movable covering plates are attached; in this way, the silica gel pad makes contact with the pipe fitting and is extruded to form the groove, the outer wall of the pipe fitting is wrapped with the groove, then a spray head of the welding machine can be effectively isolated from the outside, and it is avoided that a large amount of welding slag generated in the welding operation process of the welding machine is splashed outwards and attached to the surface of the electric sliding rail, and the use effect of the electric sliding rail is affected.

The utility model discloses a one -piece multi -size general type bending shaper, including frame, fixed subassembly, pressing material mechanism, shaping mechanism and control system, the frame is including frame main body, fixed bottom plate and movable bottom plate, the fixed subassembly includes profiling placing spare, first material supporting piece and second material supporting piece, and profiling placing spare is equipped with the accommodation groove for accommodating material, pressing material mechanism is used for placing the material on fixed subassembly and carries out horizontal side positioning, the angle that the movement track of shaping mechanism and the movement track of pressing material mechanism formed is acute angle. The shaper makes it suitable for the structure of multiple sizes through the adjustment of fixed bottom plate and movable bottom plate, and through the synergies of pressing material mechanism and shaping mechanism, product is fixed firm, shaping effect is consistent, spares the follow -up polishing procedure, and the production efficiency and product quality are improved significantly.