Novel letter box equipment

Abstract

The invention discloses novel letter box equipment which comprises a main base support. Stand columns are fixedly arranged at the four vertex angles of the bottom end face of a main base, foot pads are fixedly arranged on the bottom end faces of the stand columns, a containing cavity is arranged in an inner wall body of the main base support, a first sliding connection cavity is arranged in the inner top wall of the containing cavity, a second sliding connection cavity is arranged in the inner bottom wall of the containing cavity and penetrates the end face of the right side of the main base support, an installing and embedding base is installed in the second sliding connection cavity in a sliding fit manner, a first screw rod is installed in the end face of the left side of the installingand embedding base in a threaded fit manner, the first screw rod is ejected into the position, on the left side of the second sliding connection cavity, in a first conveying cavity in the main base support and is connected with the inner wall of the left side of the second sliding connection cavity in a rotary fit manner, the left side expanding tail end of the first screw rod is fixedly providedwith a first taper wheel, and a distance adjusting cavity is arranged in the position, on the upper side of the first conveying cavity, in the main base support.

Description

technical field [0001] The invention relates to the technical field of mailboxes, in particular to a novel mailbox device. Background technique [0002] When processing letterboxes, it is necessary to grind the outer surface of the letterbox to increase the precision of the outer surface of the letterbox. In the polishing of letterboxes, the traditional manual hand-held grinder is usually used to work, and its work efficiency is low. A large amount of debris will be generated, which will be harmful to the human body. Contents of the invention [0003] The object of the present invention is to provide a novel mailbox device for overcoming the above-mentioned defects in the prior art. [0004] According to a new type of mailbox equipment of the present invention, it comprises a main seat frame, upright columns are fixed at the four top corners of the bottom end surface of the main base body, foot pads are fixedly provided on the bottom end surface of the column body, and th...

AI Technical Summary

Problems solved by technology

[0002] When processing letterboxes, it is necessary to polish the outer surface of the letterbox to increase the precision of the outer surface of the letterbox. In the work of polishing letterboxes, the traditional manual hand-held grinder is usually used for work, which has low work efficiency and grinding A large amount of debris will be produced when it is harmful to the human body

Images