Punching device for bookbinding machine

Abstract

The invention discloses a punching device for a bookbinding machine. The punching device for the bookbinding machine comprises a main shaft which is provided with a connecting chamber, a motor which drives the main shaft to rotate, a cutting tool which is provided with an internal hole and a shaft seat which is used for installing the main shaft; the upper end of the cutting tool is provided with a connecting block which is fixedly connected with the connecting chamber; the internal hole is communicated with the connecting chamber; a scrap collecting sleeve is arranged on the main shaft; a scrap collecting chamber is arranged inside the scrap collecting sleeve; the connecting chamber is communicated with the scrap collecting chamber through a connecting hole which is formed in the main shaft; a scrap discharging pipe is arranged on the scrap collecting chamber; a looseness proof connecting structure which enables the main shaft and the cutting tool to be connected is arranged on the main shaft and the cutting tool. The punching device for the bookbinding machine has the advantages of rapidly discharging the paper scraps, preventing the cutting tool from being broken and enabling detachment and installation between the cutting tool and the main shaft to be rapidly achieved.

Description

technical field

[0001] The invention relates to the technical field of office supplies, in particular to a punching device for a bookbinding machine. Background technique

[0002] At present, for the binding of paper, documents, and albums, the riveting binding method is generally used, which includes steps such as punching, pipe cutting, and riveting. When punching holes, the punching device of the binding machine is needed. The earliest The punching device is just a simple hollow rod that punches holes in the bound documents under manual pressure. Later, people improved it. For example, the patent application number is CN201120216264.2, and the application date is June 2011 The Chinese invention patent on the 24th disclosed a hole drilling mechanism with an automatic paper dust collection device, which uses a motor to drive the cutter to rotate, the drilling speed is fast, and the paper dust can be quickly discharged. However, the existing In the punching device, the inst...

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