A rapid workpiece positioning device for a surface grinder

By combining a three-sided closed-loop constraint system with a laser alignment sensor, the problems of low efficiency, unstable accuracy, and poor adaptability in traditional mold grinding and positioning are solved, enabling rapid, high-precision, and low-damage positioning of mold parts to meet the needs of high-efficiency production.

CN224425236UActive Publication Date: 2026-06-30HUBEI DEYI PRECISION MOLD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI DEYI PRECISION MOLD CO LTD
Filing Date
2025-07-11
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Traditional mold grinding and positioning methods are inefficient, have unstable accuracy, poor adaptability, and are prone to damaging the workpiece surface, making it difficult to meet the requirements of high-precision, high-efficiency, and low-damage mold processing.

Method used

A three-sided closed-loop constraint system is adopted, including a blocking mechanism, a pushing mechanism, a suction cup mechanism, and a limiting mechanism. The floating wheel is driven by a slide cylinder to actively contact the workpiece. Combined with an adjustable support rod and a buffer spring assembly, the workpiece is automatically generated and automatically aligned. The fit is detected in real time by a laser alignment sensor.

Benefits of technology

It enables rapid positioning of mold parts, shortens positioning time, adapts to complex structures, avoids safety accidents caused by positioning deviations, reduces workpiece damage, and improves processing efficiency and quality.

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Abstract

This utility model discloses a rapid workpiece positioning device for a surface grinder, comprising a fixed base plate, a blocking mechanism on one side for reference limiting, a pushing mechanism on the opposite side to actively push the workpiece to fit, a limiting mechanism on the third side for lateral constraint, and a suction cup mechanism in the central area for adsorption and fixation. The three-sided layout forms a closed-loop constraint system. The device solves the problems of low positioning efficiency, unstable accuracy, and easy workpiece damage in traditional methods through flexible contact, buffer limiting, and adaptive adjustment. It achieves rapid (3-5 minutes / piece), high-precision (±0.02mm repeatability), and low-damage positioning of mold parts, adaptable to conventional and complex mold scenarios such as thin walls and deep grooves.
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