A generating device based on friction drive for gear involute artifact with long-rolled path length by rolling method

A generating device based on friction drive for gear involute artifact with long-rolled path length by rolling method, wherein the device comprises roller component, rail component and friction-driven component;

• wherein the roller component consists of a gear involute artifact with long-rolled path length, a multi-ball bearing for gear involute artifact, a mandrel, a left base-circle plate, a right base-circle plate, a left parallel sleeve, a right parallel sleeve, a left multi-ball bearing, a right multi-ball bearing, a left plain washer, a right plain washer, a left cross washer, a right cross washer, a left locking nut and a right locking nut;
• the mandrel is axial installation datum of the entire roller component;
• the middle of mandrel is of a high-precision cylindrical surface and both ends of mandrel have symmetrical fine thread;
• the above left and right base-circle plates are located and installed on the both ends of mandrel with the left and right multi-ball bearings and;
• the gear involute artifact with long-rolled path length is located and installed on the middle of mandrel with the multi-ball bearing for gear involute artifact;
• there is a clearance fit between the left parallel sleeve, right parallel sleeve and mandrel;
• in order to ensure the axial location accuracy of the left and right base-circle plates and gear involute artifact, the ends of left and right parallel sleeves are respectively fitted and located on the datum end of gear involute artifact with long-rolled path length;
• the other locating ends of left and right parallel sleeves are respectively fitted and located on the end for axial location of left and right base-circle plates;
• the left locking nut, left cross washer, and the left plain washer for locking the end of left base-circle plate are assembled on mandrel in order from left end of mandrel to inside;
• the right locking nut, right cross washer, and the right plain washer for locking the end of right base-circle plate are assembled on mandrel in order from right end of mandrel to inside;
• the rail component consists of a foundation, a left rail, a right rail, a left baffle, a right baffle, a location baffle for left rail, a location baffle for right rail and a location baffle for base-circle plate;
• the structure of foundation is of U-shaped, whose top surface of protruding structure is regarded as the locating surface of rail;
• the left rail and right rail are tensile bodies with a thin waist section, and the section shape of them is of a bilateral and up-and-down symmetry structure;
• the left rail is installed on the locating surface of foundation by left baffle and the location baffle for left rail;
• the right rail is installed on the locating surface of foundation by right baffle and the location baffle for right rail;
• the location baffle for base-circle plate is installed on platform, which is used to locate foundation and the ends of left rail and right rail;
• the top surface of rail is working surface, and roller component does a pure-rolling generating motion on the working surfaces of rails;
• by adjusting the location of the gear involute artifact, the central axis of the left and right base-circle plates and central axis of gear involute artifact can be aligned;
• meanwhile the left and right lock nuts are synchronously tightened;
• the friction-driven component consists of a friction block, a motorized linear sliding table, an adapter, a vertical sliding table and a vertical foundation;
• the friction block consists of a rigid friction block substrate and friction washers with larger friction coefficient;
• the friction block is installed on motorized linear sliding table, and the friction washers are elastically pressed against the cylindrical surface of left base-circle plate and right base-circle plate respectively;
• the motorized linear sliding table is installed on the vertical sliding table with the adapter, and the vertical sliding table is installed on the vertical foundation, meanwhile the vertical foundation is installed on platform;
• the motorized linear sliding table drives the friction block, and then drives the roller component to do pure-rolling generating motion on the rail component by friction.