A full-sealed linear motion module for heavy load grinding machine

By employing a magnetic drive structure with no contact between the stator and mover and a cross roller guide design, the problems of low transmission efficiency, high wear, and limited stroke in existing linear motion modules are solved, resulting in a high-precision, low-friction, and long-life linear motion module suitable for heavy-duty grinding machines.

CN224385327UActive Publication Date: 2026-06-19MOLOCH (SUZHOU) INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
MOLOCH (SUZHOU) INTELLIGENT TECHNOLOGY CO LTD
Filing Date
2025-07-30
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing linear motion modules suffer from low efficiency, speed limitations, high friction, severe wear, short equipment life, and limited stroke and length due to their lead screw structure transmission, making them unable to meet the demands of high-speed motion.

Method used

It adopts a magnetic drive structure with no contact between the stator and mover, combined with cross roller guides and a fully sealed design to prevent cutting fluid and chips from entering the equipment. The magnetic drive slide performs reciprocating linear motion, and the cross roller guides improve connection rigidity and load capacity. A scraper is set to remove aluminum and iron chips.

Benefits of technology

It achieves high-precision, low-friction, and long-life linear motion, avoiding equipment wear, improving equipment lifespan and operating efficiency, and reducing maintenance costs.

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Abstract

This utility model relates to a fully sealed linear motion module for a high-load grinding machine, comprising a base, a drive assembly, a slide, a sealing assembly, and a protective assembly. The drive assembly is mounted on the base, and the slide is mounted on the drive assembly. The drive assembly drives the slide to perform reciprocating linear motion. The drive assembly is installed inside the sealing assembly, and protective assemblies are installed at both ends of the sealing assembly. In this utility model, the magnetic stator converts electricity into magnetic force. Under the action of the magnetic force, the mover drives the slide to perform reciprocating linear motion. Since the magnetic stator and the mover operate without contact, there is no friction or wear, and long-term operation will not affect the system accuracy. This utility model improves the load capacity of the slide by setting two intermittently arranged cross roller guides at the bottom of the slide, which makes the connection between the slide and the track mounting plate more rigid, the movement smoother, and the effective stroke larger, thereby improving the load capacity of the slide without significantly increasing the size of the guide rails.
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