2results about How to "Continuous automated production" patented technology

The utility model discloses a lithium battery automatic spot welder with positioning correction mechanism relates to lithium battery production technical field, including work table, the top fixedly connected with the fixing frame of work table, the one side swing connection of work table has the cabinet door, the top of work table and the bottom of fixed frame between equidistance fixedly connected with first mounting plate, the one side sliding connection of first mounting plate has the vertical baffle, the one side of vertical baffle is provided with spot welder body, the one side fixedly connected with the connecting frame of vertical baffle, the inside sliding connection of connecting frame and the outside of first mounting plate, the top of work table is provided with positioning assembly, and the one side fixedly connected with the placing plate of work table, positioning assembly includes first positioning frame. The utility model discloses a lithium battery automatic spot welder with positioning correction mechanism can be firm the position of mould through introducing positioning assembly, ensures that the welding point accurate correspondence is preset position to avoid the welding defect caused by deviation to improve the welding quality.

This invention relates to a method for preparing (2R,5S)-1-Boc-5-aminopiperidine-2-carboxylic acid ethyl ester, which uses a fixed-bed reduction method with isopropanol as a solvent, extending catalyst lifetime and stability, and simplifying post-processing, making it suitable for industrial-scale production.