Thin film rotary cutter honing machine and honing method

Abstract

The invention relates to a honing machine and a honing method for a film rotary cutter. The honing machine comprises a cutter rest with the two ends mounted on a chuck and an indexing plate respectively, wherein a cutter clamping plate is mounted on the cutter rest; the chuck and the indexing plate are respectively mounted on the left side plate and the right side plate of a rack; an XY platform supporting shaft is mounted between the left side plate and the right side plate and is mounted with an X-axis connecting plate through an XY platform supporting shaft bearing; an X-axis support is mounted at the front part of the X-axis connecting plate; an X-axis ball screw mechanism and an X-axis motor are arranged inside the X-axis support; an X-axis slide plate is mounted at the lower part of the X-axis ball screw mechanism; a Y-axis support is mounted on the bottom surface of the X-axis slide plate; a Y-axis ball screw mechanism and a Y-axis motor are arranged inside the Y-axis support; a Y-axis slide plate is mounted at the lower part of the Y-axis ball screw mechanism; an oilstone seat and an oilstone are mounted on the bottom surface of the Y-axis slide plate; a pull rod connecting plate is also arranged at the top of the X-axis support; the front part of the pull rod connecting plate is fixedly connected with a transverse pull rod with the front end hinged to an electromagnetic clutch; a vertical pull rod, a balance spring, a damper and a proportion electromagnet fixedly mounted on the rack are sequentially connected with the bottom of the electromagnetic clutch. The honing machine and the honing method for the film rotary cutter have the advantage that the cutting edge of the cutter can be polished in place at a time.

Description

Technical field [0001] The invention belongs to the technical field of plastic film processing, and particularly relates to a honing machine and a honing method for a thin film rotary cutting tool. Background technique [0002] At this stage, the end grinders for cutting film cutters in China all use cup-shaped grinding wheels to grind the cutting edges. Due to technological conditions, the particle size of the cup-shaped grinding wheels is relatively coarse. Usually, the grinding wheel with a particle size of 120 meshes cannot exceed 320 meshes. Otherwise, the cutting edge will be overheated and damaged due to poor heat dissipation. [0003] Granularity table of grinding wheels commonly used in domestic sharpeners [0004] [0005] According to the #120 grinding wheel, the cutting edge of the tool can have a maximum of 88 to 125 microns in theory. The knife mark determines the thickness of the film that the knife can cut. It is calculated at 88 micrometers × 20 = 1760 micrometers,...

AI Technical Summary

Problems solved by technology

Therefore, if you want to rotary-cut the rotary-cut film below 1.8 mm, the tool for cutting the film cannot be completely ground into shape by grinding with the grinding wheel alone, and it must be finely ground in the later stage

At present, only manual grinding can be used in the later stage of fine grinding, and the quality of manual grinding in the later stage is unstable, and it is time-consuming and laborious

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