A drilling machine for accounting documents

Abstract

The invention relates to the technical field of official business handling equipment and discloses an accounting document hole drilling machine. During drilling by the accounting document hole drilling machine, firstly a compressing sleeve is used for compressing a hole drilling portion, then hole drilling is performed, the problem that tearing and the like occur to an accounting document at the position of the hole drilling portion can be effectively solved, and the problem of deformation and the like at the hole drilling position is solved. Meanwhile, the accounting document hole drilling machine is further provided with an outer protecting barrel, and on one hand, a drilling cutter can be protected, and it is prevented that mistaken injuries are caused to operators; and on the other hand, during drilling, a lifting driving barrel moves up and down while driving the drilling cutter to rotate, and automatic hole drilling is achieved; besides, when the accounting document hole drillingmachine performs drilling, paper scraps are sucked out due to negative pressure, and the situation that a drill bit is stuck by the paper scraps and consequently the accounting document is damaged bythe drill bit is prevented; and the drilling cutter is of a cylindrical thin-wall structure, the paper scraps are directly sucked out from the center according to the cut-out shape, and operation iseasy and convenient.

Description

technical field [0001] The invention relates to the technical field of office equipment, in particular to an accounting voucher drilling machine. Background technique [0002] At present, there are many kinds of accounting voucher drilling machines on the market, but when ordinary drilling machines drill holes for vouchers, if they are not operated properly, the vouchers are prone to deformation or even tearing, resulting in damage to the documents, and , Ordinary drilling equipment is prone to problems such as paper scraps and paper jams when drilling credentials, resulting in rubbing at the drilled hole, affecting drilling efficiency and aesthetics, and even damage to the credentials. [0003] Therefore, the present invention provides an accounting voucher drilling machine to solve the problems raised in the background art above. Contents of the invention [0004] The purpose of the present invention is to provide an accounting voucher drilling machine to solve the prob...

AI Technical Summary

Problems solved by technology

[0002] At present, there are many kinds of accounting voucher drilling machines on the market, but when ordinary drilling machines drill holes for vouchers, if they are not operated properly, the vouchers are prone to deformation or even tearing, resulting in damage to the documents, and , Ordinary drilling equipment is prone to problems such as paper scraps and paper jams when drilling credentials, resulting in rubbing at the drilled hole, affecting drilling efficiency and aesthetics, and even damage to the credentials

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