Light guide plate pouring gate cold-cutting machine for cutting step by step and cold-cutting method thereof

Abstract

The invention discloses a light guide plate pouring gate cold-cutting machine for cutting step by step and a cold-cutting method thereof. The light guide plate pouring gate cold-cutting machine comprises a stander, wherein a first cutting device and a second cutting device are arranged on the stander; a first vacuum positioning jig is arranged below the first cutting device; a second vacuum positioning jig is arranged below the second cutting device; a supporting table keeping clearances from the first vacuum positioning jig and the second vacuum positioning jig is arranged between the first vacuum positioning jig and the second vacuum positioning jig; in a normal state, the supporting table, the first vacuum positioning jig and the second vacuum positioning jig are combined into a placing trough for holding a workpiece to be processed, and the first vacuum positioning jig and / or the second vacuum positioning jig can move along the X-axial direction; the first vacuum positioning jig and the second vacuum positioning jig are arranged on a Y-axial moving mechanism. The light guide plate pouring gate cold-cutting machine can automatically position the workpiece to be processed and guarantee the precision of a cutting position; meanwhile, cutting step by step ensures the cutting quality; furthermore, the whole process is automatic, and the automation degree is high, so that the processing efficiency is greatly improved, and the labor cost of an enterprise is reduced.

Description

technical field [0001] The invention relates to a cold cutting machine and a cold cutting method thereof, in particular to a step-by-step cold cutting machine for a gate of a light guide plate and a cold cutting method thereof. Background technique [0002] At present, the small-sized light guide plate (light guide plate) is made of optical grade acrylic / PC plastic particles, hot-melt injection molding, and the processed dots of the mold core are transferred to the dot surface of the light guide plate. The surface-specific dot structure is used to distribute the transmitted light evenly on the entire surface through light transmission characteristics such as reflection and refraction. Using the structural design of the mold, the ultra-thin light guide plate can be injection-molded, combined with advanced technologies such as mold core dot processing, V-CUT processing, etc., to make the light spread more fully, and reasonable use can be processed on the basis of ultra-thin, u...

AI Technical Summary

Problems solved by technology

[0004] Existing gate cutting methods, one is manual cutting one by one with a cutter, but this method is labor-intensive, high labor cost, work efficiency, and the quality of cutting is affected by personal subjective factors and actual operation, and the quality cannot be guaranteed

[0005] Another method is to use a cutting device with one mold and two cavities to separate two molded parts from the gate at one time. However, since the workpiece to be processed is manually positioned by hydraulic pressure in a jig with one mold and two cavities, the efficiency is slow and cannot be guaranteed. Accuracy of positioning; at the same time, when both sides are cut at the same time, both cutting knives will generate tensile stress on the middle forming nozzle of the light guide plate, causing it to shrink and pull up indefinitely, thereby deforming the cut area of ​​the light guide plate , seriously affecting the quality of the final product

[0006] In addition, some high-tech companies use heated cutting tools and then polish them to meet the requirements of smooth cutting. However, this method is cumbersome. The cutting adopts the principle of hot melting, which is easy to draw and the polishing process is easy to produce debris, which affects the light guide plate. performance, further, the price of this cutting equipment is high, which increases the cost of the enterprise

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