Nut loosening and tightening device and boat correcting machine

The intelligent adjustment system of the opposing clamping layer synchronous variable diameter sleeve and the second spring-piezoelectric module solves the problem of cumbersome operation of existing nut tightening devices for matching nuts of different specifications, and realizes efficient and stable nut adjustment and graphite boat calibration.

CN224274029UActive Publication Date: 2026-05-26KUNSHAN JICHEN INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202520674259.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-05-26
Estimated Expiration
2035-04-10

AI Technical Summary

Technical Problem

Existing nut tightening devices require frequent replacement of clamping components or adjustment of tool heads when dealing with nuts of different specifications, which is cumbersome and inefficient.

Method used

An intelligent adjustment system employing a synchronous variable diameter sleeve with opposing clamping layers and an integrated second spring-piezoelectric module enables automatic adaptation and precise matching of nuts of different specifications. Combined with a three-axis linear motion mechanism, it achieves efficient adjustment of the nuts.

Benefits of technology

It enables rapid adaptation to nuts of different diameters and depths, ensures stable clamping force and avoids damage to the nut surface, and is suitable for nut assembly and graphite boat calibration operations on automated production lines.

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Abstract

The utility model relates to the technical field of graphite boats, and particularly provides a nut loosening and tightening device and a boat calibration machine, the nut loosening and tightening device comprises a support plate, a linear driving module, a torque output mechanism and a pushing mechanism; the support plate is movably connected with the torque output mechanism through the linear driving module. The torque output mechanism comprises a rotary driving assembly and a nut sleeve, and the rotary driving assembly is in transmission connection with the nut sleeve; the rotation driving assembly is used for driving the nut sleeve to rotate, the pushing mechanism coaxially penetrates out and is in sliding connection with the rotation driving assembly and the nut sleeve, and the nut sleeve is arranged to be an opposite clamping layer synchronous reducing sleeve so as to be matched with nuts of different specifications. The opposite clamping layer synchronous reducing sleeve comprises an inner sleeving end movably connected with the rotary driving assembly and an outer sleeving end connected with the inner sleeving end in a sleeving mode, sleeving modes can be automatically switched according to the inner diameter or the outer diameter of the nut, and the opposite clamping layer synchronous reducing sleeve can be matched with nuts of different specifications.
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