8results about How to "Guaranteed rotation accuracy" patented technology

The utility model provides a battery lifting appliance and a battery replacing station. The battery lifting appliance comprises a base frame, at least one hook assembly and at least one driving component, the hook assembly is arranged on the base frame. The hook assembly comprises a hook, and the hook can pivot between a hoisting position and a releasing position around a first axis extending in the vertical direction. The driving components are arranged on the base frame and correspond to the hook assemblies one to one. The driving component comprises an execution part, and the execution part extends in the horizontal direction; the execution part can move between a first position and a second position in the extending direction of the execution part. The execution part is connected to the hook to drive the hook to pivot. When the execution part is located at the first position, the hook is located at the hoisting position, and when the execution part is located at the second position, the hook is located at the releasing position. According to the battery lifting appliance disclosed by the utility model, the driving components are in one-to-one correspondence with the hook components, so that a transmission structure between the hook components and the driving components is simpler and more direct, and the rotation precision of the hook components is ensured.

The application discloses an automatic conveying line and relates to the technical field of automatic equipment, which comprises a frame, a plurality of working boxes arranged on the frame, sliding rails installed on the frame and penetrating through the working boxes, a plurality of sliding blocks uniformly arranged on the sliding rails, a same driving mechanism drivingly connected with the sliding blocks, the driving mechanism driving the sliding blocks to slide along the sliding rails, support rods rotatably installed on the sliding blocks, products to be conveyed fixedly installed on the top of the support rods, rollers fixedly installed at the bottom of the support rods and friction belts selectively installed on the frame and abutting against the rollers in one or more working boxes. The automatic conveying line has the advantages that the same driving mechanism is used to drive the plurality of sliding blocks, so that the investment in the driving device is reduced; the rollers and the friction belts are arranged, so that no additional power is needed when the products to be conveyed are rotated in the conveying process; one conveying line can realize the completion of multiple processes, no additional manpower is needed for connection, and the automation degree of the conveying line is improved.

The utility model provides a kind of high-speed internal grinding wheel connecting rod, belong to mechanical technical field.It has solved the problem of high scrap cost of existing connecting rod.The high-speed internal grinding wheel connecting rod is installed in the front end of main shaft, including the connecting rod body being arranged in the front side of main shaft and being coaxial with main shaft, the front end of connecting rod body is provided with threaded hole one in axial direction, outer thread is arranged on the rear end of connecting rod body, annular connecting flange is arranged between connecting rod body and main shaft, connecting flange and main shaft are coaxially arranged and can be detachably fixed;Inner thread matched with outer thread is arranged on the inner hole wall of connecting flange, the rear end of connecting rod body is inserted into connecting flange and the both are connected together by inner thread and outer thread engagement.The high-speed internal grinding wheel connecting rod has low scrap cost.

The utility model relates to intelligent storage equipment technical field discloses a bevel gear turntable device for intelligent storage equipment adjustment, including base, be equipped with transmission mechanism and response module on the base, be equipped with the rotary disc of response module monitoring on transmission mechanism, the outside of base is pasted with fine adjustment board, is equipped with the power mechanism of drive transmission mechanism work on fine adjustment board, be equipped with locking piece and fine adjustment module between fine adjustment board and base, fine adjustment board is positioned in the outside of base through locking piece, fine adjustment board carries out linear movement along the central axis of rotary disc through fine adjustment module, fine adjustment module includes the screw control spare of swing connection on base, and the lifting plate of fixed on fine adjustment board, is equipped with the screw hole of screw connection for screw control spare on lifting plate. The utility model can accurately position the rotation angle of rotary disc, can guarantee the rotation precision of rotary disc, can also satisfy the different precision requirement of different size storage space.

The application discloses a machine tool oil-gas lubrication electric spindle convenient to dismount and install and a method thereof, and relates to the technical field of electric spindles. The application comprises a steel cylinder, the top of the steel cylinder is fixed with a back cover, three waist-shaped grooves are formed in the top of the back cover, a cylinder cover is fixed to the top of the back cover, a piston, a rear end cover, a rear bearing pressing sleeve and a rear bearing seat are sequentially arranged from top to bottom at the bottom of the back cover, a plug is embedded and fixed to the outer wall of the back cover, a rear end oil-gas discharge hole is formed in the outer wall of the plug, an oil-gas return inlet is formed in the bottom of the back cover, and an oil-gas inlet pipe and a central air blowing and air sealing inlet pipe are fixed to the outer wall of the back cover. The spindle adopts an oil-gas lubrication path structure of front and rear, is suitable for application occasions of medium light load and high rotation speed, and the same path is adopted before and after oil-gas lubrication, oil-gas lubricated by the rear bearing seat is discharged through the rear end oil return hole, and impurities can be effectively prevented from entering the bearing.

The invention belongs to the technical field of mechanical arm grabbing, and particularly relates to a building construction robot mechanical arm which comprises a mechanical arm body, and a grabbing mechanism is fixed to the output end face of a tail end joint of the mechanical arm body through a flange plate; the grabbing mechanism comprises a fixing plate fixed to the side, away from the output end face of the tail end joint of the mechanical arm body, of the flange plate, grabhook assemblies are rotationally assembled on the two sides of the bottom end of the fixing plate, an air cylinder is installed in the middle of the side, close to the grabhook assemblies, of the fixing plate, the driving end of the air cylinder is fixedly connected with a connecting plate, and the connecting plate is connected with a pressing plate through a compensation assembly. Through the grabhook assembly and the transmission assembly which are symmetrically arranged, synchronous opening and closing of the rotating plates on the two sides are achieved, meanwhile, friction force is increased by pressing the top of bagged cement through the pressing plate, and therefore dual limiting is formed, the safety and reliability of cement material grabbing and transferring are guaranteed, and material waste and construction potential safety hazards are reduced.

This utility model discloses a polishing machine for metal processing, belonging to the technical field of polishing machines. This metal processing polishing machine includes a main body, an adjustment mechanism, and a polishing mechanism. The main body includes a base with several support wheels mounted on its upper surface. The adjustment mechanism includes a fixed frame located at one end of the base. A movable frame is slidably mounted inside the top of the fixed frame, and an air-slip ring is inserted at the center of the movable frame. A four-jaw chuck is fitted onto one end of the rotating shaft of the air-slip ring. The polishing mechanism includes a translation frame located on one side of the upper end of the base. An adjustment box is slidably mounted on the upper end of the translation frame. A connecting block is slidably mounted inside the adjustment box, and a mounting frame is fixedly mounted on one side of the connecting block. A dual-axis motor is fixedly mounted on one end of the mounting frame. Dust collection hoods are fitted onto both ends of the dual-axis motor, and the output ends of the dual-axis motor extend into the interior of the dust collection hoods, each fitted with a polishing wheel. This utility model effectively improves the practicality of the metal processing polishing machine.

The invention discloses a driving iron core assembly for a shutter device and the shutter device, the shutter device comprises the driving iron core assembly, the driving iron core assembly comprises a metal magnetic conductive iron core and a plastic base, and the metal magnetic conductive iron core and the plastic base are integrally formed and connected through injection molding; a blade positioning column set and a magnet positioning column set are formed on the plastic base in an injection molding mode, the column axis of the blade positioning column set and the column axis of the magnet positioning column set are arranged in parallel, and the blade positioning column set penetrates through the metal magnetic conductive iron core. The blade positioning column set, the magnet positioning column set and the plastic base part of the driving iron core assembly are all plasticized, and compared with a traditional design structure integrally formed by die casting of metal materials, the positioning column structure designed by the invention is higher in precision, so that the problem that the manufacturing precision of the positioning column is low is solved.