Piezoelectric-hydraulic control type dispensing device

A dispensing device and control technology, applied in the field of non-contact dispensing devices and systems, can solve the problems of low stability, high noise, low frequency, etc. long life effect

Inactive Publication Date: 2013-12-11
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a dispensing device, aiming at solving the problems of the existing dispensing devices such as high noise, low stability and low frequency

Method used

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  • Piezoelectric-hydraulic control type dispensing device
  • Piezoelectric-hydraulic control type dispensing device
  • Piezoelectric-hydraulic control type dispensing device

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] The glue dispensing device disclosed in the present invention includes four parts: a power system, a displacement amplification system, a glue supply system and an injection system.

[0023] Such as figure 1 Shown, the dispensing device disclosed by the present invention. The power system of the dispensing device includes a piezoelectric ceramic power supply 34 , a piezoelectric stack 5 , a compression nut 1 , a fixing bolt 2 , an anti-loosening pad 3 , and a bracket cover 4 . The piezoelectric ceramic power supply 34 outputs a positive square wave voltage to drive the piezoelectric stack 5 to extend and retract through the power signal line, and the telescopic length and frequency are determined by the signal output by the piezoelectric ceramic power supp...

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Abstract

The invention provides a dispensing device which is suitable for the field of dispensing. The dispensing device comprises a power system, a displacement amplifying system, a glue feeding system and an injection system, which are connected with one another through bolts, wherein a piezoelectric stack is used for powering the whole device; the displacement amplifying system is used for amplifying the displacement of the piezoelectric stack through an L-shaped hydraulic amplifying cavity, and a firing pin of the injection system impacts a nozzle under the displacement so as to jet a glue solution supplied by the glue feeding system. The dispensing device is dedicated to solving the problems that a current dispensing device cause large noise, and is not high in stability and low in frequency, the universality of the dispensing device is improved, and a good practical effect is achieved.

Description

technical field [0001] The invention belongs to the field of glue dispensing, in particular to a non-contact glue dispensing device and system. Background technique [0002] The dispensing system is a process equipment widely used in the field of product production. From semiconductor packaging industry, integrated circuit industry, SMT / PCB assembly industry to welding, injection coating and sealing in general industry, the process of sizing glue on points, lines and surfaces of colloids can be realized through this system. As the core component of the dispensing system, the dispensing device mainly solves the problem of automatic dispensing, which has an important impact on the dispensing speed, quality and shape of glue dots. [0003] In the microelectronic packaging industry, in order to adapt to the irregularities of workpieces and pursue high-quality, high-speed, and high-precision dispensing devices, dispensing technology has gradually developed towards non-contact di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C5/02B05C11/10H02N2/02
Inventor 刘建芳柳沁李新波路崧焦晓阳杨继光张凯陈红霞顾守东
Owner JILIN UNIV
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