An ultra-precise glue dispensing system and method

An ultra-precise, dispensing technology, applied to the surface coating liquid device, coating, etc., can solve the problems affecting the size and shape of the glue droplet, vibration, and affect the dispensing accuracy, etc., to improve dispensing Accuracy and stability, the effect of reducing the number of jitters

Active Publication Date: 2021-05-14
SHENYANG POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The dispensing process used to be to attach glue to larger workpieces, and most of the glue needles used thicker diameters. With the miniaturization of mechanical and electronic products, the size of micro-assembly components is getting smaller and smaller, which puts forward higher requirements for micro-dispensing , The dispensing machine is generally driven by the motor to drive the entire dispensing system to operate, but vibration will inevitably occur due to the start and stop of the motor, which will affect the size and shape of the glue droplet, and then affect the dispensing accuracy

Method used

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  • An ultra-precise glue dispensing system and method
  • An ultra-precise glue dispensing system and method
  • An ultra-precise glue dispensing system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] Such as figure 1 , figure 2 , image 3 As shown, an ultra-precision dispensing system, the dispensing machine is connected with the dispensing plane 27, the glue supply device is connected with the rubber storage cylinder 14; the housing 1 of the dispensing machine is provided with a motor, and the motor is connected with the The inner threaded rod 2 is connected, the screw rod 2 is installed above the threaded rod 2, the screw rod 3 is connected with the rubber syringe, several rubber needle tubes 10 are installed in the rubber syringe, and the dispensing plane installed under the threaded rod 2 The support frame 25 is connected with the dispensing plane 27 .

[0074] Such as figure 2 , image 3 As shown, the upper end of the threaded rod 2 protrudes from the housing 1 to connect with the motor, the lower end of the threaded rod 2 is in interference fit with the bearing installed under the housing 1, and the upper and lower ends of the threaded rod 2 are respecti...

Embodiment 2

[0124] Concrete structure is identical with embodiment 1, adds PLC, computer and driver simultaneously.

[0125] Input the program into the PLC through the computer, monitor the dispensing process in the computer interface, and change the GAP value by changing the initial distance between the glue needle and the dispensing surface in the program. The overall connection process is: one end of the PLC is connected to the switching power supply For power supply, the other end is connected to the driver to control the movement of the motor. The communication interface on the PLC is connected to the computer to realize the input of the program. One end of the driver is connected to the motor through a cable to convert the pulse signal sent by the PLC to the motor. Motion signal, the other end is connected to the PLC to receive the pulse signal sent by the PLC, and one end is connected to the power supply to provide power for the driver. The PLC can control the movement of the dispen...

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Abstract

The invention belongs to the field of precision packaging of components, and relates to an ultra-precision glue dispensing system and method. The dispensing machine of the ultra-precision dispensing system is connected with the dispensing plane, and the glue supply device is connected with the glue storage cylinder; the shell of the dispensing machine is provided with a motor, and the motor is connected with the threaded rod installed in the shell, The screw rod is installed on the top of the threaded rod, and the screw rod is connected with the glue needle cylinder, the glue needle tube is installed in the glue needle cylinder, and the dispensing plane support frame installed under the threaded rod is connected with the dispensing plane. The dispensing method is to first select the rubber needle, and then put the rubber needle tube with the rubber needle into the rubber needle barrel. The motor drives the threaded rod of the dispensing machine to rotate, and the threaded rod drives the lead screw to move up and down, thereby driving the rubber needle to pass through. The glue storage cylinder dispenses glue; the threaded rod rotates and drives the dispensing surface support frame to move, and the dispensing surface support frame drives the differential movement of the dispensing plane and the glue needle. The invention improves the dispensing precision and micro-dispensing of the dispensing system.

Description

Technical field: [0001] The invention belongs to the field of precise packaging of components and devices, and relates to an ultra-precise dispensing system and method. Background technique: [0002] Dispensing technology has a wide range of applications, from semiconductor packaging industry, integrated circuit industry, SMT / PCB assembly industry to general industrial welding, injection coating and sealing, dispensing technology plays a vital role. The dispensing process used to be to attach glue to larger workpieces, and most of the glue needles used thicker diameters. With the miniaturization of mechanical and electronic products, the size of micro-assembly components is getting smaller and smaller, which puts forward higher requirements for micro-dispensing , The dispensing machine is generally driven by a motor to drive the entire dispensing system to operate, but vibration will inevitably occur due to the start and stop of the motor, which will affect the size and shap...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05C5/02B05C11/10B05C11/11B05C13/02
CPCB05C5/0208B05C11/101B05C11/11B05C13/02
Inventor 刘慧芳乔楷卿高全祥徐浩添许哲名
Owner SHENYANG POLYTECHNIC UNIV
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