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Torsion bar type piezoelectric actuating device

A technology of piezoelectric actuation and torsion bar, which is applied to the device and coating of the surface coating liquid, which can solve the problems of user difficulty, affecting the accuracy of the output of the glue, and the change of the pre-force.

Active Publication Date: 2021-03-05
ADVANCED JET AUTOMATION CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, factors such as spring relaxation and piezoelectric actuator aging will lead to changes in the pre-force, which in turn will affect the accuracy of the glue output
In addition, due to the unknown state of the pre-force change, it is also difficult for users to set relevant operating parameters according to the characteristics of the adhesive material

Method used

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  • Torsion bar type piezoelectric actuating device
  • Torsion bar type piezoelectric actuating device
  • Torsion bar type piezoelectric actuating device

Examples

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Embodiment Construction

[0045] The following will disclose multiple implementations of this case with diagrams, and for the sake of clarity, many practical details will be described together in the following description. It should be understood, however, that these practical details should not be used to limit the present case. That is to say, in some implementations of this case, these practical details are unnecessary. In addition, in order to simplify the drawings, some existing conventional structures and components will be shown in a simple and schematic manner in the drawings.

[0046] Please refer to figure 1, which is a schematic front view of the piezoelectric actuator 10 according to some embodiments of the present application. In some embodiments, the piezoelectric actuator 10 includes a housing 100, a first torsion bar 110, a first force application unit 120, a piezoelectric unit 130, a second torsion bar 139, a second force application unit 140, a first The pre-force adjustment module...

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Abstract

The invention relates to a torsion bar type piezoelectric actuating device which comprises a shell, a first torsion bar, a second torsion bar, a connecting shaft, a first force application unit, a piezoelectric unit and a second force application unit. The first torsion bar and the second torsion bar are arranged in the shell in a penetrating mode. The first torsion bar and the second torsion barcan be connected in series through a connecting shaft or through a bar piece. The first force application unit is fixed to the first torsion bar. The piezoelectric unit is provided with two ends whichabut against the shell and the first force application unit respectively. The second force application unit is fixed to the second torsion bar, and the second force application unit and the first force application unit are arranged at an interval. When voltage is applied to the piezoelectric unit to enable the piezoelectric unit to extend or contract, the piezoelectric unit rotates the first torsion bar and the second torsion bar through the first force application unit to drive the second force application unit to reciprocate. According to the piezoelectric actuating device, the prestressingforce applied to the device can be observed and adjusted by a prestressing force adjusting mechanism, so that the device can accurately control output, and the operation is optimized.

Description

technical field [0001] This case is about a piezoelectric actuator, especially a piezoelectric actuator used in dispensing equipment. Background technique [0002] Existing known dispensing equipment utilizes a mechanical dispensing valve to control the output of glue materials. The mechanical dispensing valve squeezes and sends the glue through the repeated action of air pressure and spring. However, factors such as spring relaxation, piezoelectric actuator aging and other factors will lead to changes in the pre-force, which in turn will affect the accuracy of the glue output. In addition, since the state of the pre-force change is unknown, it is also difficult for the user to set the relevant operating parameters according to the characteristics of the adhesive material. Therefore, the industry is eager to invest resources in researching and developing an actuating device that can solve the above-mentioned problems. Contents of the invention [0003] According to one ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C5/02B05C11/10
CPCB05C5/0225B05C11/10B05C11/1026
Inventor 陈律名周元昉吴佳霖
Owner ADVANCED JET AUTOMATION CO LTD
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