Hot melt glue machine with hand gun

Features of express bag hot melt glue machine

March 13 , 2023

What is a hot melt glue machine?


In the industry, hot melt adhesives can be melted after heating to obtain the characteristics of rapid solidification after coating and cooling, and are used to bond the substrate. Therefore, the most basic function of the hot melt adhesive machine should be to melt the hot melt glue and can coat the substrate.In this way, we can define the hot melt adhesive machine as: it is a kind of hot melt adhesive that can melt the solid state, and transport the melted liquid glue to the coating through the pressure device The device performs coating on the substrate. It is an electromechanical equipment integrating temperature heating control, pressurization function, liquid delivery and extrusion coating functions.


Express bag-hot melt machine spraying application


Usually we see the courier paper bags, postal paper bags, the seal is mostly used in the scraping method, and some of the side adhesive is streamlined or dotted (rarely, only in the side line position) to scrape the glue at the sealing position, Gluing width is 2mm to 3mm. The length can be determined according to the specific size specification of the paper bag. The gluing glue is scraped on the release paper or the hard plastic coil with the function similar to the release paper, and the width is the same as that of the gluing. The line speed of the hot melt adhesive machine must be synchronized with the packaging production line and the slitting machine. Formed in one go.


Three factors need to be considered in the application of courier bag gluing


⑴The pressure is high at the moment of glue out, and the size of the glue point (or glue strip) is uniform and consistent.

⑵Glue spraying does not deviate from the target position, does not draw, and does not smear.

⑶ The glue breaking effect is better


Express bag hot melt glue machine configuration



A hot melt glue machine host + insulation tube (made of imported materials) + hot melt glue spray gun


Note: Configure the capacity of the main machine (5KG hot melt glue machine or 15kg hot melt glue machine) and the number of insulation pipes and glue spray guns according to the output. The gluing method is the way of scraping and spraying the substrate in small pieces. The hot melt glue machine is technical for this kind of glue spraying.




Hot melt adhesive machine workflow and precautions



Use process

1. Add hot melt adhesive to the melting tank

2. Heating melt tank to melt glue

3. Heating hose and coating device

4. Start the pressure device to deliver glue

5. Start the coating device according to the process requirements.




Precautions when using



1. Try to use it in places without fast flowing air. Because when the hot-melt adhesive nozzle assembly is exposed to the fast-circulating air, the rapid cooling will affect the hot-melt adhesive flow of the nozzle assembly, and it is easy to cause stringing.


2. When adding hot melt adhesive, it should be added before there is at least one-third of the hot melt adhesive in the melt adhesive pot, so as to avoid adding glue when there is no hot melt adhesive in the hot melt adhesive pot, which will affect normal production.


3. The amount of supplementary glue shall not exceed 80% of the total volume of the hot melt glue pot.



glue spreading machine supplier


adhesive spray gunhot melt spare parts

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