Safety line accurate measurement device of safety line security paper

Abstract

The present invention discloses a safety line accurate measurement device of a safety line security paper. The device comprises a fixed seat, the top portion of the fixed seat is provided with a groove, a measurement device body is slidingly installed in the groove, the top portion of the measurement device body is extended to the external portion of the groove, two first chutes are symmetricallyarranged at the inner wall of the bottom side of the groove, first sliding blocks are slidingly installed in the first chutes, the top portions of the first sliding blocks are extended to the externalportions of the first chutes, connection rods are rotationally installed on the first sliding blocks, connection blocks are welded at the bottom portion of the measurement device body, one ends, faraway from the first sliding blocks, of the connection rods are rotationally connected with the connection blocks, the inner walls of two sides of the first chutes are provided with rotation shaft grooves, and the same rotation shaft is rotationally installed in the two rotation shaft grooves. The safety line accurate measurement device of the safety line security paper is simple in structure and convenient to use, the height of the measurement device body facilitates regulation, and the safety line accurate measurement device of the safety line security paper is easy to operate, saves time andmore facilitates measurement work of people.

Description

technical field [0001] The invention relates to the technical field of measuring equipment, in particular to a security thread precision measuring device for security thread security paper. Background technique [0002] Bond paper is a kind of gravure printing paper, the paper surface is smooth, white and meticulous, the paper is tough, durable, excellent water resistance, abrasion resistance and folding resistance, good printing adaptability, raw materials and production methods and anti-counterfeiting Similar to paper, it is used to print securities, government legal treaty documents, etc. that require extremely high strength and durability. [0003] At present, most of the heights of the security thread precision measuring devices of the existing security paper are fixed, which is inconvenient to adjust. When it is necessary to adjust the height of the precision measuring devices, it is very troublesome, time-consuming, and not conducive to people's use. With the developm...

AI Technical Summary

Problems solved by technology

[0003] At present, most of the heights of the security thread precision measuring devices of the existing security paper are fixed, which is inconvenient to adjust. When it is necessary to adjust the height of the precision measuring devices, it is very troublesome, time-consuming, and not conducive to people's use. With the development of science and technology With the progress of society and the development of society, people put forward higher requirements for precise measuring devices, so we propose a security thread precision measuring device for security thread bond paper to solve the above problems

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