Auxiliary tool for calibrating hardness value of durometer

By designing an auxiliary tool for hardness tester calibration, a motor-driven rotating rod and fan are used to achieve uniform cooling of the material, and a cleaning mechanism is used to remove dust. This solves the problem of the influence of material surface temperature differences on test results, improves the accuracy of hardness tester calibration, and simplifies the operation process.

CN224189803UActive Publication Date: 2026-05-01KEYAO MICROELECTRONICS (GUANGDONG) CO LTD
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Patent Information

Application Number
CN202520825807.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-05-01
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

In the current calibration process of hardness testers, temperature differences on the material surface cause changes in hardness values, affecting the accuracy of the test results.

Method used

A calibration auxiliary tool for hardness tester values ​​was designed, comprising a support plate, a motor, a rotating rod, gears, a toothed rod, a fan, and a cleaning mechanism. The motor drives the rotating rod to move the toothed rod and the fan, achieving uniform cooling of the material. The cleaning mechanism removes dust, ensuring the accuracy of the calibration process.

Benefits of technology

This method achieves uniform cooling of materials during calibration, reduces the impact of temperature changes on hardness values, improves the accuracy and reliability of test results, simplifies the operation process, and reduces errors.

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Abstract

The utility model belongs to the technical field of durometers, and particularly relates to a durometer hardness value calibration auxiliary tool which comprises a bearing plate and a machine body, the left side of the top of the bearing plate is fixedly connected with a connecting plate, the left side of the connecting plate is fixedly connected with a U-shaped ring, and the left side of the U-shaped ring is fixedly connected with a motor. The output end of the motor is fixedly connected with a rotating rod, the bottom of the rotating rod is rotatably connected with a fixed rod, the middle of the left side of the connecting plate is rotatably connected with a gear, the upper portion and the lower portion of the left side of the connecting plate are slidably connected with toothed rods, the gear is in meshed connection with the toothed rods, and the outer side of the toothed rod at the bottom is fixedly connected with a circular ring; the right side of the fixing rod is slidably connected with the circular ring. According to the cooling device, after the motor is started, the rotating rod drives the fixed rod to move, then the circular ring and the tooth rods are made to move, the two tooth rods can move through the gear, and the purposes that the fan can be driven to move, and materials can be evenly cooled are achieved.
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