一种硬度计测试夹具

Abstract

本实用新型属于夹具技术领域，尤其涉及一种硬度计测试夹具，包括第一板体，所述第一板体用于连接硬度计；夹持组件，所述夹持组件用于完成待测试样品的夹持；缓冲组件，所述缓冲组件能够在夹持力超过一定阈值时，产生弹性形变，所述夹持组件包括第一槽体，所述第一槽体开设在第一板体内；两个驱动件，所述两个驱动件和第一槽体相固定，本申请通过在第三槽体内放置被压缩的弹簧，借助弹簧对第五板体提供一定的阈值，使得两个第五板体接触待测工件进行夹持时的夹持力小于这个阈值时，第三板体、第五板体之间不会产生相对位移且不会因为夹持力过大而导致待测工件损伤，保证了待测工件的完整性。

Claims

1. A hardness tester test fixture, characterized by, include: The first plate (100) is used to connect the hardness tester; A clamping assembly for clamping the sample to be tested; A buffer assembly (400) is capable of maintaining rigidity when the clamping force is less than or equal to a certain threshold, and generating elastic deformation when the clamping force exceeds a certain threshold; the threshold can be adjusted and set.

2. The durometer test fixture of claim 1, wherein, The clamping assembly includes: The first groove (110) is formed inside the first plate (100); Two driving components (200) are fixed to the first groove (110); Two sliders (210) are fixedly connected to the adjacent surfaces of two driving members (200), respectively; Two third plates (300) are fixed to two sliders (210) respectively.

3. The durometer test fixture of claim 2, wherein, The buffer component (400) includes: A plurality of second grooves (310) are respectively formed inside two third plates (300); Two third grooves (320) are respectively formed on adjacent surfaces of two third plates (300); A plurality of fourth plates (410) are respectively disposed inside a plurality of second grooves (310) and adapted to and slidably connected thereto; A plurality of rods (420) are fixedly connected to the adjacent surfaces of a plurality of fourth plates (410), the diameter of the plurality of rods (420) is smaller than that of the plurality of fourth plates (410), and the plurality of rods (420) all penetrate two third plates (300). Two fifth plates (430) are fixedly connected to the adjacent surfaces of several rods (420), respectively. Two springs (440) are respectively disposed inside two third grooves (320). Both springs (440) are in a compressed state and are in contact with two fifth plates (430).

4. The durometer test fixture of claim 3, wherein, A compression assembly (500) is provided at one end of each of the two springs (440) away from the two fifth plates (430), the compression assembly (500) being used to compress the two springs (440).

5. The durometer test fixture of claim 4, wherein, The compression component (500) includes: Two sixth plates (510) are respectively disposed inside the two third grooves (320) and are adapted to and slidably connected thereto; Two threaded rods (520) are rotatably connected to the opposite surfaces of two sixth plates (510), and the two threaded rods (520) pass through two third plates (300) and are threadedly connected to them.

6. The durometer test fixture of claim 5, wherein, Each of the two threaded rods (520) has a rotating component (530) fixedly connected to one end of its opposite side. The rotating component (530) is used to rotate the two threaded rods (520).

7. The durometer test fixture of claim 6, wherein, The rotating component (530) is a knob, and the surface of the knob is provided with a plurality of fourth grooves (531).

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