Automatic paper aligning device based on paper binding

Abstract

An automatic paper aligning device based on paper binding disclosed in the invention comprises a box body, a paper placing opening is formed in the box body, a cover plate is arranged in the paper placing opening in a matched mode, a row of multiple through holes are formed in the top side of the box body, wire grooves are formed in the side faces, corresponding to the through holes, of the box body respectively, outer threaded pipes which can only move up and down are movably installed in the through holes, and inner threaded pipes are rotatably installed on the box body. Tooth grooves distributed circumferentially are formed in the periphery of the inner threaded pipe, a strip-shaped rack is arranged on one side of the inner threaded pipe in a meshed and matched mode through the tooth grooves, the strip-shaped rack is installed on the box body in a sliding and matched mode, an annular blade is arranged at the lower end of the outer threaded pipe, and a rectangular through groove is formed in the side face of the box body and enables all the wire grooves to be communicated. The device is simple in structure and ingenious in conception, can be used for storing test papers, punching the test papers after the test papers are aligned, binding the test papers when the test papers are in the box body, reducing pollution to the test papers, protecting the test papers, meeting actual requirements and being suitable for popularization.

Description

technical field [0001] The invention belongs to the field of test paper binding devices, in particular to an automatic paper alignment device based on roll binding. Background technique [0002] In general large-scale examinations, the invigilator needs to bind the returned test papers so that the subsequent reading and test paper information will be kept confidential. However, the existing test papers generally require the supervisor to use needlework to bind the test papers. However, due to manual binding, it is easy to make the test papers overlap during the binding process Friction and dislocation will cause the test paper to be messy and affect the cleanliness of the test paper. When the needle is used to pass through the test paper, it needs a lot of force and often needs to be opened several times, resulting in uneven binding of the test paper, easy damage to the test paper, and low binding efficiency. It cannot meet the actual needs, so we invented an automatic paper...

AI Technical Summary

Problems solved by technology

[0002] In general large-scale examinations, the invigilator needs to bind the returned test papers so that the subsequent reading and test paper information will be kept confidential. However, the existing test papers generally require the supervisor to use needlework to bind the test papers. However, due to manual binding, it is easy to make the test papers overlap with each other during the binding process. Friction and dislocation will cause the test paper to be messy and affect the cleanliness of the test paper. When the needle is used to pass through the test paper, it needs a lot of force and often needs to be opened several times, resulting in uneven binding of the test paper, easy damage to the test paper, and low binding efficiency. Unable to meet the actual needs, so we invented a paper automatic alignment device based on roll binding

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