2results about How to "Stable and accurate" patented technology

The application provides a mold water collecting module and a cooling valve. The cooling valve comprises a valve core assembly, the valve core assembly comprises a center rod and a valve plate group installed on the center rod, the center rod passes through the middle part of the valve plate group; a switching mechanism is used for rotating the valve plate group, changing the rotation angle of the valve plate group, and switching the working mode of the cooling valve; a shell is used for installing the switching mechanism and the valve core assembly, the shell comprises a top shell, a middle shell and a bottom shell, the bottom shell is detachably connected with the middle shell, the top shell is detachably connected with the middle shell, and the valve plate group is located in the middle shell.

The utility model provides a kind of economizer tube bank welding auxiliary alignment device, it is related to welding auxiliary equipment technical field, including bottom plate, further include: alignment subassembly, alignment subassembly includes the support seat being connected on bottom plate, in the utility model, the pipe body to be welded is placed in predetermined position, the output end of pneumatic cylinder promotes clamping block movement, and one end of pipe body is clamped and fixed, ensure the stability of welding process, subsequently, sliding block on guide rod is slid to predetermined position, limit rod and expansion spring drive pressure block down, by the elastic action of expansion spring, the other end of pipe body is limited by pressure block, prevent its displacement in welding process, ensure that pipe mouth accurate level alignment, second transmission motor drives rotating wheel rotation, drive rotating plate to rotate on support block, so that pipe body is rotated, convenient for pipe body to be welded, realize pipe body accurate positioning, stable clamping and rotating adjustment, guarantee welding alignment precision and welding efficiency.