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Ultraprecise adhesive dispensing system and method

An ultra-precise, glue-dispensing technology, which is applied in the direction of coatings and liquid-coating devices on the surface, can solve problems such as chattering, affecting the size and shape of glue droplets, and affecting the accuracy of dispensing, so as to reduce jitter The effect of increasing the number of times, improving the accuracy and stability of dispensing

Active Publication Date: 2020-03-27
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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  • Ultraprecise adhesive dispensing system and method
  • Ultraprecise adhesive dispensing system and method
  • Ultraprecise adhesive dispensing system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] like 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] like 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 respectively i...

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 component precision packaging and relates to an ultraprecise adhesive dispensing system and method. An adhesive dispensing machine of the ultraprecise adhesive dispensing system is connected with an adhesive dispensing plane. An adhesive feed device is connected with an adhesive storage tube. A motor is arranged on a shell of the adhesive dispensing machine and connected with a threaded rod mounted in the shell. A lead screw slide fastener is mounted on the upper portion of the threaded rod and connected with adhesive needle drums. An adhesive needle tubeis mounted in each adhesive needle drum. An adhesive dispensing plane supporting frame mounted on the lower portion of the threaded rod is connected with the adhesive dispensing plane. The adhesive dispensing method comprises the steps of selecting adhesive needles, putting the adhesive needle tubes with the adhesive needles into the adhesive needle drums, driving the threaded rod the adhesive dispensing machine through the motor to rotate to drive the lead screw slide fastener to move up and down and then drive the adhesive needles to pass through the adhesive storage tube to conduct adhesivedispensing; driving threaded rod to rotate and simultaneously drive the adhesive dispensing plane supporting frame to move to enable the adhesive dispensing plane supporting frame to drive the adhesive dispensing plane and the adhesive needles to do differential motion. Through the ultraprecise adhesive dispensing system and method, the adhesive dispensing precision of the adhesive dispensing system is improved, and trace adhesive dispensing of the adhesive dispensing system is realized.

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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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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