Spiral glue-shaped gluing valve
A glue shape and glue application technology, applied in the glue application field, can solve the problems such as difficulty in meeting the application requirements of hemming glue, single colloid distribution structure, difficulty in controlling glue amount, etc., and achieves good applicability and control glue amount. , Improve the effect of bonding effect
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[0028] As shown in the figure, this embodiment provides a spiral glue-shaped glue valve, including a mandrel body 10, a jacket assembly 20 outside the mandrel body, an air supply head 30 arranged on the jacket assembly, and a valve core assembly 50. The lower end of the mandrel body extends downwards to the outside of the jacket assembly, an annular flow channel is formed between the mandrel body and the jacket assembly, the air supply head communicates with the annular flow channel, and the lower end of the mandrel body is provided with The extrusion port 11 for colloid extrusion, the center of the outer circular surface of the mandrel body is symmetrically provided with a plurality of drainage grooves 12, and each drainage groove is offset from top to bottom to the same circumferential direction of the mandrel body, and the drainage grooves are directed to the same circumferential direction of the mandrel body. Extending down to the lower end surface of the mandrel body, the ...
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