A three-sided book trimmer

Abstract

The invention discloses a three-sided book cutting machine, which comprises a book feeding device, a table stop book alignment device, a cutting device and a book pushing device, the cutting device includes a knife seat, a knife tire and a blade, and the blade is fixed on the knife On the tire, a lower support body and an upper support body are arranged on one side of the knife seat, an installation groove is formed between the lower support body and the upper support body, a lower dovetail groove is formed between the lower support body and the knife seat, and the upper support body and the upper support body An upper dovetail groove is formed between the knife seats, and the lower surface of the upper support body is inclined from one side to the other side in the transverse direction; the knife tire is provided with an installation slanting block, and the installation slant block extends into the installation groove, and the installation The shape of the bottom surface of the inclined block is the same as that of the lower dovetail groove, and the shape of the top surface of the installation inclined block is the same as that of the upper dovetail groove; the knife seat is provided with a locking mechanism, which squeezes and fixes the knife tire in the installation groove. The invention can quickly replace the blade after it is worn out, so that the replaced blade can reach the designated position and be fixed with very high precision.

Description

technical field [0001] The invention belongs to the field of book cutting machines, and more particularly relates to a three-sided book cutting machine. Background technique [0002] Due to the large number of books printed, in order to facilitate the consistency of length and width after printing a large number of books, a three-sided book cutting machine is used. In this three-sided book cutting machine, the book is placed horizontally on the operating platform, and three-sided cutting machine is used. Use the knife on both sides of the book machine to cut the length of the book, and use the front knife to cut the width of the book. At present, there are many three-sided book cutting machines on the market. One of the most commonly used three-sided book cutting machines is to install side knives and front knives on the knife holder. When the main shaft moves down, the side knives and front knives will be cut in turn Books, which will be cut into uniform books of length. ...

AI Technical Summary

Problems solved by technology

[0003] The current three-side trimming machine usually includes a book feeding device, which is used to send a stack of books to the cutting device as a whole; a countertop book alignment device, which organizes a stack of books; The side and front of the book are cut to make the overall size of the book uniform, and a cutting area is formed at the cutting device. There is also a paper pressing mechanism above the cutting area, which is used to press a stack of books tightly to prevent the book from being cut. Shifting occurs during cutting; and a book push-out device, which is used to remove the cut books for collection; wherein the blade of the cutting device needs to be replaced after being worn for a period of time, and a new (ground) blade needs to be replaced , usually the replacement time is long, the downtime is long, and there is currently no structure for quick blade replacement

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