AB glue dispensing device based on electrostatic spraying principle

Abstract

The invention belongs to the technical field of AB glue dispensing equipment, and relates to an AB glue dispensing device based on an electrostatic spraying principle. A spraying gun handle is arranged under a spraying gun pipe, an air pump and a boost pump are electrically connected with a high-voltage electrostatic generator, the positive electrode of the high-voltage electrostatic generator is electrically connected with the spraying gun handle, and the negative electrode is grounded; an electric spraying needle head is arranged in the spraying gun pipe, an inserting port is formed in the lower end of the spraying gun handle, an air flow guide pipe inserting port is formed in one side of the air pump, and the two ends of an air flow guide pipe are inserted into the air flow guide pipe inserting port and the inserting port respectively; the electric spraying needle head is connected with an external guide wire through an internal wire inside the spraying gun handle, the front portion of the spraying gun pipe is a spraying gun spraying head, a pipe plug is arranged on the rear portion of the spraying gun pipe, one end of a first injector and one end of a second injector are connected with the boost pump, and the other end of the first injector and the other end of the second injector are communicated with the electric spraying needle head respectively through a first liquid inlet pipe and a second liquid inlet pipe. The AB glue dispensing device based on the electrostatic spraying principle is simple in structure, convenient to operate, uniform in glue mixing, capable of saving glue, high in bonding quality and wide in application range.

Description

Technical field: [0001] The invention belongs to the technical field of AB glue dispensing equipment, relates to an AB glue dispensing equipment, in particular to an AB glue dispensing device based on the principle of electrostatic spraying and airflow-assisted orientation. Background technique: [0002] At present, the two-component mixed curing adhesive represented by AB glue has the advantages of high bonding strength, wide range of bonding materials, oil surface bonding, fast curing speed, and room temperature curing. , furniture, bags, handicrafts, jewelry, electronics, machinery manufacturing and other industries are widely used; the commonly used AB glue refers to acrylic modified epoxy glue or epoxy glue, where A component is acrylic modified epoxy resin Or epoxy resin, as the glue, B component is a modified amine or other hardener; when used, the two components are mixed in a certain proportion, and the hardening reaction occurs, so as to play the bonding function; ...

AI Technical Summary

Problems solved by technology

Directly use electrostatic spray technology to dispensing AB glue, because it can achieve micro-nano atomization, it is easy to achieve uniform mixing of A and B components, which improves the traditional dispensing method from the basic principle; however, due to the electric field The divergent distribution of the wires and the mutual repulsion of the atomized particles with a large amount of electrostatic charge will cause the atomized particles to diverge in the process of reaching the target object, and even produce a ring wrap effect, reaching the back of the target object, so there will be a point Disadvantages such as poor glue orientation and low glue application efficiency

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