Spraying valve

Abstract

The invention discloses a spraying valve which is characterized by comprising a main valve body, a stroke regulating device arranged at the upper part of the main valve body, a feeding device arranged at a first body side of the main valve, an electromagnetic valve arranged at a second body side of the main valve, a heating device arranged at the lower part of the main valve body and a spray head arranged under the heating device. The main valve body comprises an upper valve body and a lower valve body; the upper valve body is connected with the lower valve body through a fixing device; the upper valve body is provided with a first body cavity; the head of a striker component is arranged in the first body cavity, the middle part of the striker component penetrates through the whole lower valve body, and the tail of the striker component is jointed with a nozzle arranged below the heating device; an air inlet adaptor is arranged below the head of the striker component at the upper partof the upper valve body; the lower valve body is provided with a feeding hole module; and a feeding hole is at least arranged on the feeding hole module. The invention provides a glue dispensing spraying valve which rapidly and precisely dispenses glue, cuts off glue cleanly, and is in a sealing structure and hard to damage.

Description

technical field [0001] The invention relates to a fluid control device, in particular to a spray valve. Background technique [0002] Nowadays, the application of spraying valves for gluing components in the packaging process of various industrial products is quite common. Traditionally, the structure of spraying valves is mostly composed of four base screws and four upper cover screws. One upper cover, one piston spring, A device composed of structural components such as a piston, a body, a needle valve, a valve seat body and a tail seat. When a glue is input into the spray valve, and the needle valve is driven by the piston, the glue can be pushed out by the needle valve to achieve the purpose of dispensing. The multi-hole spray valve device is the screw A spray valve structure that bolts together many components. In the dispensing process of the spray valve, due to the continuous movement of the piston and the continuous impact of the needle valve, the glue will often s...

AI Technical Summary

Problems solved by technology

And in the process of assembling the assembly back to the spray valve after cleaning or replacing the assembly, the piston spring will produce a reverse force during the assembly process, often resulting in the need for two people to complete the assembly of the spray valve Circumstances occur that cause considerable inconvenience

Therefore, the disadvantages of the existing spray valves are that the sealing ring pad is easy to be worn, and the glue dispensing speed is slow, and the demand for glue with different proportions cannot be realized, resulting in low efficiency during construction.

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