8results 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 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 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 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.