Piezoelectric quartz multi-dimensional force measurement crystal group fabrication device

Abstract

The invention discloses a fabrication device of a piezoelectric quartz multi-dimensional force measuring crystal assembly. The main structure of the device is composed of an insulating base, supporting upright columns, flange rings, a cross beam, a lead screw, a forcemeter supporting plate, a forcemeter, a hand wheel, nuts, sleeves, a supporting flat plate, a crystal orientation fixture and the like. When the piezoelectric quartz multi-dimensional force measuring crystal assembly is fabricated, piezoelectric quartz wafers in different cut forms and conductive silicone rubber-coated electrode sheets are sequentially arranged into the crystal orientation fixture from bottom to top according to a certain sequence; two sliders on the crystal orientation fixture position the piezoelectric quartz multi-dimensional force measuring crystal assembly, the hand wheel is rotated, the forcemeter vertically presses the piezoelectric quartz multi-dimensional force measuring crystal assembly until an adhesive is dried. With the device of the invention adopted, mechanical load can be accurately applied during the fabrication process of the piezoelectric quartz multi-dimensional force measuring crystal assembly, so that the piezoelectric quartz multi-dimensional force measuring crystal assembly can be prevented from being crushed and damaged in the fabrication process; and the efficient and accurate assembling of the piezoelectric quartz multi-dimensional force measuring crystal assembly can be improved.

Description

technical field [0001] The invention belongs to the technical field of special manufacturing of piezoelectric sensors using piezoelectric quartz as a force sensitive element, and in particular relates to the assembly and manufacture of piezoelectric quartz multi-dimensional force measuring crystal groups of piezoelectric multi-dimensional force sensors. Background technique [0002] Piezoelectric sensors and multi-component measurement systems with piezoelectric materials as the core are important mechanical measurement devices in the fields of aviation, aerospace, and energy. They have the characteristics of high strength, good stability, and high natural frequency, and are especially suitable for dynamic measurements. . In these fields, especially in heavy-duty operating equipment, the stiffness of the sensor is an important parameter for measurement. It not only has a direct impact on the overall stiffness of the measuring device, the load sharing and sensitivity of the s...

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Problems solved by technology

[0003] Patent CN 106153220 discloses a rapid manufacturing device for piezoelectric quartz crystal groups. Although the device can complete the production of piezoelectric quartz crystal groups, the efficiency of the device is low during the manufacturing process of piezoelectric quartz crystal groups, especially in multidimensional force During the manufacturing process of the piezoelectric quartz crystal group, the operation steps are cumbersome. At the same time, it is difficult to ensure that an accurate and stable mechanical load is applied to the piezoelectric quartz crystal group during the manufacturing process of the piezoelectric quartz crystal group. crushed during production

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