2results about How to "Good self-centering performance" patented technology

The application provides a part machining grabbing tool of a flexible buffer protection structure and relates to the technical field of machining tools.The part machining grabbing tool comprises a bearing plate, a top plate is fixedly installed on the top surface of the bearing plate, a placing groove is formed in the top surface of the top plate, an installation disc is fixedly installed in the placing groove, a plurality of strip-shaped grooves are formed in the top surface of the installation disc, a first arc-shaped plate is arranged above each of the strip-shaped grooves, a second servo motor is installed in the installation groove in the top surface of the bearing plate, the output shaft of the second servo motor penetrates through the fixed plate and drives the corresponding gear column to rotate, the plurality of gear columns are jointly engaged with the inner tooth ring on the outside, synchronous and same-direction rotation of all the gear columns can be realized, the second bevel gear fixed at the top end of the gear column is engaged with the first bevel gear at the end of the threaded rod, the threaded rod in each strip-shaped groove is driven to rotate through the bevel gear reversing transmission, the threaded sleeve assembled on the outside of the threaded rod slides along the strip-shaped groove horizontally through threaded transmission, and the first arc-shaped plate fixed at the top is synchronously closed or opened.

The utility model provides a kind of fastener clamp of tension testing device, including main shaft, multiple clamping jaw, taper head top block;Main shaft includes threaded section and installation section, installation section is integrally formed in the bottom of threaded section;Multiple scallop bodies are integrally formed on the outer periphery of installation section, and clamping jaw installation groove is formed between adjacent scallop bodies, and clamping jaw is rotatably connected with scallop body by pivot;The axis of taper head top block is connected to the outside of threaded section by screw thread, and the inner wall of the upper portion of clamping jaw is formed with the abutting bevel for cooperating with taper head top block. Through the design of high integration integrated main shaft and scallop body, excellent structural rigidity and strength are provided, the taper-screw driving mechanism is used to realize efficient, synchronous, powerful and uniform clamping and loosening operation of clamping jaw, and excellent self-centering ability is provided to adapt to different size fasteners.