17results about How to "Large grinding area" patented technology

This utility model discloses a grinding and polishing device for producing security doors, including a base, an mounting plate mounted on the base, a groove on the upper surface of the mounting plate, a fixed plate slidably mounted in the groove, a support assembly mounted on the base, a first motor movably mounted on the upper surface of the fixed plate, a first grinding wheel fixedly mounted on the output shaft of the first motor, a baffle fixedly mounted on the mounting plate, a conveying roller fixedly mounted on the inner wall of the baffle, a protective frame fixedly mounted on the baffle, a fixed bracket fixedly mounted on the inner wall of the protective frame, an electric push rod fixedly mounted on the fixed bracket, a security door grinding assembly movably mounted at one end of the electric push rod, a second motor fixedly mounted on the security door grinding assembly, and a second grinding wheel fixedly mounted on the output shaft of the second motor. This utility model has the advantage that when the second grinding wheel is grinding the two ends of the side wall of the security door, the first electric slide moves downward, which can drive the third grinding wheel on the third motor to grind the top of the security door.

The utility model discloses double-sided sponge abrasive paper with a reinforcing structure, which comprises a sponge block, and a lower connecting piece is fixedly adhered to the bottom end of the sponge block. When the double-sided sponge abrasive paper with the reinforcing structure is used through the double-sided sponge abrasive paper, an upper sponge rubber pad and a lower sponge rubber pad which are arranged at the top end and the bottom end of a sponge block are correspondingly adhered to fourth connecting rough surfaces at the top end of an upper connecting piece and the bottom end of a lower connecting piece through third connecting thorn surfaces respectively; the upper sponge rubber pad and the lower sponge rubber pad can be fixedly installed at the top end and the bottom end of the sponge block respectively, the overall structure of the sponge abrasive paper can be strengthened through the upper sponge rubber pad and the lower sponge rubber pad, the thickness of the sponge abrasive paper is increased, and when the sponge abrasive paper is used for polishing a workpiece, the polishing safety can be improved; the problem that the structure of the double-sided sponge abrasive paper is not convenient to reinforce is solved.

The utility model relates to polishing device technical field, and disclose a kind of polishing device for numerical control lathe shell surface processing, including platen one and platen two, platen one and platen two between being provided with rotating rod, the lower end between platen one and platen two is symmetrically installed with U-shaped frame, the inside of the front and rear ends of U-shaped frame is slidably installed with square bearing, the inside between square bearing is fixedly installed with driving wheel, sand belt is installed between driving wheel, the upper side of square bearing is uniformly provided with baffle on U-shaped frame, adjusting screw is penetrated and is screw-connected in the middle of baffle, the front and rear ends of platen one and platen two are fixedly installed with fixed plate in close to corner place, roller is rotatably installed on fixed plate in close to lower side place. The device can increase polishing area, reduce operating labor intensity, and the edge chamfering of numerical control lathe shell can be stably and uniformly polished.

The utility model relates to a technical field of rubbing crusher, and disclose a raw material rubbing crusher for peanut butter production, including rubbing cylinder, the inside middle part of rubbing cylinder is provided with the pivot, the outside of pivot is fixedly sleeved with two groups of cutting knives at the inner bottom part near rubbing cylinder, the outside of pivot is slidably sleeved with the pressing plate, the outer ring of pressing plate is installed with the sealing ring, the sealing ring and the inner wall of rubbing cylinder are inlaid, the lower extreme of pressing plate is fixedly installed with the wall scraping cylinder at the outside near place, the outer wall of wall scraping cylinder and the inner wall of rubbing cylinder are inlaid, the lower extreme middle part of rubbing cylinder is connected and fixedly installed with the grinding cylinder, the lower extreme of pivot is fixedly installed with the grinding block, the upper end surface of grinding block and the inner bottom surface of rubbing cylinder are flush, and there is certain gap between the outer ring wall of grinding block and the inner wall of grinding cylinder. The device can improve the peanut rubbing efficiency, guarantee the grinding delicacy, effectively clean the peanut butter remaining in the inner wall.

The alloy casting polishing table with the chipping cleaning function comprises a machine body shell and an alloy casting clamp arranged on the inner side of the machine body shell, a polishing wheel is arranged on the upper side of the alloy casting clamp, and the right side of the polishing wheel is connected with a third driving motor; and the third supporting frame is installed on the lower side of the alloy casting clamp, and a supporting block is arranged in the middle of the third supporting frame. According to the alloy casting grinding table with the chipping cleaning function, metal chippings generated by grinding can be conveniently collected and cleaned in the using process, so that the metal chippings generated by grinding are not prone to remaining in the device for a long time, and the situation that the use safety of the device is affected by the metal chippings is avoided; and meanwhile, in the using process of the device, the polishing position of the device is conveniently adjusted, so that the polishing position of the device is easily adjusted according to the polishing requirement of the alloy casting, the using efficiency of the device is improved, and the better using effect is achieved.

The utility model belongs to the technical field of test and inspection equipment, and discloses an eccentric grinding structure and a tissue dissociation instrument, a crushing box performs circular motion along the wall surface above a grinding box deviating from the circle center, the crushing box drives a second grinding strip and a scattering block to rotate, and the second grinding strip and a first grinding strip are matched to grind tissues on the side wall of the grinding box; the third grinding strip and the fourth grinding strip are matched to grind the tissue on the bottom surface of the grinding box, the tough tissue can be effectively ground no matter where the tough tissue is located, the grinding efficiency is high, the bottom plate is arranged above the ground, the grinding structure is arranged above the bottom plate, and a crushing box for filtering the tissue is arranged above the bottom plate; a crushing cutter for crushing tissue is arranged in the crushing box, a grinding box for containing the tissue is fixedly arranged on the top face of the bottom plate, a second grinding strip used for grinding the tissue on the side wall of the grinding box is fixedly arranged below the crushing box, and a scattering block used for grinding the tissue on the bottom face of the grinding box is arranged below the second grinding strip.

The invention relates to the technical field of binder production, and discloses a system and method for producing an iron-rich low-silicon composite binder for iron ore pellets, the system comprises a support frame, a dryer and a mixer are fixedly mounted at the top of the support frame, the mixer is located below the dryer, the top of the mixer is fixedly communicated with discharge ports of three bins, and the discharge ports of the three bins are communicated with the dryer; a material discharge port of the dryer is located at a feed port of the corresponding stock bin; a lower end opening of the mixing machine is formed in a feeding opening in the top of the first-stage grinding shell, a discharging opening in the bottom end of the first-stage grinding shell is fixedly communicated with the top of the second-stage grinding shell, and the side wall of the second-stage grinding shell is fixedly connected with the supporting frame. According to the system and method for producing the iron-rich low-silicon composite binder for the iron ore pellets, in the using process of the device, materials are finely ground through two stages of grinding mechanisms, and the materials can be efficiently ground through multiple grinding faces in different movement directions when the device operates.

The utility model discloses a nasal feeding injection dosing device which comprises an injector, a nasal feeding tube, a container, a liquid inlet one-way valve, a liquid outlet one-way valve and a needle head, the liquid outlet one-way valve and the nasal feeding tube are sequentially installed at the nipple of the injector, a liquid inlet is formed in the cylinder wall of an empty cylinder of the injector, and the liquid inlet one-way valve and the needle head are sequentially installed at the liquid inlet. A grinding mechanism is arranged in the container, the needle head can be inserted into the containing cavity of the container, and infusion of nutrient solution and tablet medicine can be completed conveniently and rapidly.

The utility model discloses a buckwheat grinding device which comprises a shell, a static grinding disc is fixedly arranged in the shell, a movable grinding disc is arranged below the static grinding disc, a feeding channel is formed in the center of the static grinding disc, a support is arranged on the upper wall of the shell, a rotating cylinder is rotationally installed on a cross beam of the support, a rotating rod is inserted in the rotating cylinder in a sliding mode, and the rotating rod is arranged in the shell. The lower end of the rotating rod is fixedly connected with the center of the upper wall of the movable grinding disc, an adjusting plate is fixedly installed at the upper end of the rotating rod, and a screw rod is rotatably installed on the upper wall of the support. And meanwhile, the conical structure facilitates natural grading of materials in the grinding process, ground powder is finer and more uniform, a user can adjust the gap between the movable grinding disc and the static grinding disc according to needs through the spiral connection design of the adjusting plate and the screw rod, and therefore the fineness of ground powder is controlled, and the requirements of different purposes are met.

The utility model discloses a steel ball milling structure which comprises an upper millstone and a lower millstone, a planetary gear set is arranged in the upper millstone and connected with a first driving part to drive the upper millstone to rotate, and the planetary gear set comprises a sun gear, a plurality of planetary gears and an outer gear ring. The planet wheels are arranged in the outer gear ring and distributed on the peripheral side of the sun wheel in a surrounding mode to be meshed with the sun wheel in a matched mode, the sun wheel and the planet wheels are arranged to be the same in size and connected with matched grinding assemblies, and matched grooves are formed in the upper grinding disc and the lower grinding disc. The lower millstone is provided with an outer edge and is connected with an adaptive second driving part to drive the lower millstone to rotate relatively below the upper millstone, the design of the steel ball milling structure can further increase the contact surface with the steel balls, the grinding area is increased, and meanwhile, a good grinding effect is achieved.

The invention relates to the technical field of connector machining, and discloses a cylindrical surface grinding device for connector base machining, which comprises a working disc, a mounting pipe is fixedly arranged in the middle of the top end of the working disc, a moving seat is slidably arranged in the mounting pipe, and four mounting rods are fixedly arranged on the side of the moving seat. A cross is arranged at the top ends of the four mounting rods, polishing bases are arranged below the four ends of the cross, and a synchronous adjusting assembly is arranged at the top of the cross. According to the invention, the arranged driving part can drive the connector base between the upper mounting column and the lower mounting column to rotate, so that the cylindrical surfaces of a plurality of connector bases can be simultaneously polished by using the polishing seat when the connector base rotates, the polishing area is larger, and the polishing efficiency is higher; and meanwhile, when the connector base rotates, the cross can be synchronously driven to reciprocate up and down, so that the polishing base is controlled to reciprocate up and down, and the polishing effect is further improved.

The present invention relates to a grinding device and method for grinding the thread groove of a screw with a profiling magnet, comprising a horizontal lathe body and a mobile grinding device, wherein the mobile grinding device comprises a profiling magnet, a motor, a deep groove ball bearing, a belt, a sleeve, and a mobile support frame, wherein the mobile support frame is driven by a slide box to move longitudinally on the horizontal lathe body; the mobile support frame is connected to a sleeve through a deep groove ball bearing, the sleeve is fixedly connected to the profiling magnet, the motor is fixed to the mobile support frame, the motor drives the belt, and the belt drives the sleeve to rotate; the horizontal lathe body clamps and fixes the screw to be processed, and drives the screw to be processed to rotate. The advantages are: large grinding area, high efficiency, compact structure, not easy to heat up, cost saving, low stress, the spiral surface and two side surfaces of the screw to be processed can be ground multiple times, the grinding effect is good, and it is especially suitable for precision instruments requiring ultra-precision processing, and occasions with extremely high requirements for transmission smoothness and accuracy.

The utility model relates to the field of wall polishing, and discloses decorative wall polishing equipment which comprises a bottom plate, moving wheels are rotatably connected to the front and rear ends of the left and right side walls of the bottom plate, a push rod is fixedly connected to the front side of the top of the bottom plate, a base plate is fixedly connected to the rear side of the top of the bottom plate, and fixing rods are vertically and fixedly connected to the two corners of the right side of the top of the base plate. Guide rods are vertically and fixedly connected to the two corners of the left side of the top of the base plate, the top ends of the two fixing rods and the two guide rods are fixedly connected to the bottom of a top plate, and a lead screw is arranged between the top plate and the base plate. Through cooperation of the lead screw and the ball nut, the polishing mechanism can easily move up and down, and the polishing requirements of wall surfaces with different heights are met.

The utility model relates to the technical field of polishing devices, in particular to polishing equipment for production of stud reinforcing rib plates, which overcomes the defects of polishing devices in the prior art and comprises a first bottom plate, a first driving motor is fixedly connected to one side of the first bottom plate, a first fixing seat is fixedly connected to one side of the first bottom plate, and a second driving motor is fixedly connected to the other side of the first bottom plate. One side of the first driving motor is fixedly connected with a worm, the worm is rotationally connected with the interior of the first fixing seat, one side of the first bottom plate is rotationally connected with a first rotating rod, the surface of the first rotating rod is fixedly connected with a worm wheel, the worm wheel is in meshed connection with the worm, and one side of the first bottom plate is rotationally connected with a second rotating rod. A first gear is fixedly connected to the surface of the first rotating rod, a second gear is fixedly connected to the surface of the second rotating rod, the first gear is connected with the second gear in a meshed mode, and a first sector gear is fixedly connected to the surface of the first gear.

When the wall face polishing equipment for building construction is used, the rear side face of a wall body is polished through the polishing machine, meanwhile, the rotation driving device is started, and the driving shaft of the rotation driving device drives the left end of the connecting rod to rotate in the front-back direction; the limiting block is rotatably connected with the right end of the connecting rod in the front-back direction, the limiting block can move in the limiting groove in the inclination direction of the swing rod, the swing rod is driven by the limiting block to rotate in the front-back direction with the left end of the swing rod as the circle center, and therefore the right end of the connecting rod is driven to rotate in the front-back direction with the left end of the swing rod as the circle center. Finally, the right end of the swing rod and the grinding machine connected with the swing rod rotate in the front-back direction with the left end of the swing rod as the circle center. The grinding position of the grinding machine can be conveniently adjusted, the grinding area of the grinding machine is increased, the workload of constructors is reduced, and the wall grinding efficiency is improved.

The utility model relates to a ball head screw grinder, it includes base, support frame, first motor, second motor, speed reducer, flywheel, connecting rod, ball head screw, worm and worm wheel mechanism, fixed base and grinding ball bowl, first motor, support frame, worm and worm wheel mechanism are established in the top surface of base, second motor drives the rotation of speed reducer, and the ball head of ball head screw and grinding bowl type groove grind each other. The utility model through the horizontal rotation of grinding ball bowl and the back and forth reciprocating swing of ball head screw, simulate the ball head of ball head screw and with grinding ball bowl in the operation mode of running, carry out grinding to ball head, grinding ball bowl simultaneously, like this not only has promoted the grinding efficiency, and make the transmission pair contact surface that mutually spliced with synchronous grinding ball head, ball bowl formed has better cooperation degree, is favorable for promoting the grinding quality. The utility model has enlarged the grinding area between ball head and ball bowl, has improved the grinding precision, efficiency and service life of ball head assembly greatly.

The invention relates to the field of oil and gas development drilling and well completion operation, and discloses a milling and scraping integrated device for well completion operation and a using method.The device structurally comprises a tie-back barrel milling column, a first connecting joint, a casing wall scraper and a drill rod; one end of the tie-back barrel milling column is connected with one end of the first connecting joint, and the other end of the first connecting joint is connected with one end of the sleeve wall scraper; according to the casing pipe wall scraping device, after wall scraping of the casing pipe is completed, tieback barrel milling operation can be directly carried out, drilling is not needed, then a milling column is put into the casing pipe to carry out tieback barrel interior grinding and milling, the operation period is shortened, and the operation efficiency is improved.