The glued parts of the paper bag machine are on the spine and the side. The hot melt adhesive used is also different. For example, the performance of the two is different. The hot melt temperature is different. The quality of the glue and the glue is suitable. Important, the high temperature of the melt glue will make the melt too thin and the viscosity is insufficient. The high temperature of the melt will make the glue too thick to penetrate and flow, and some will be attached to the ridge or side by small granular pieces. The cover will wrinkle and empty the ridge. It is worth mentioning that at present, the performance of hot melt adhesives produced by different manufacturers is not the same (we have such experience from actual use), taking the temperature of hot melt adhesive used by our factory as an example. Some side glue temperature is 120 °C, spine glue hot melt temperature is 135 °C, some side glue hot melt temperature is 180 °C, spine glue heat is 200 °C. Therefore, in use, according to the performance of the material, master the appropriate process parameters to ensure the quality of the glue. Under normal circumstances, after the glue is applied, the width of the side rubber cover is preferably 4mm to 5mm, and the spine glue can penetrate and fill the milling groove. When the glue is uneven, the glue is too thin, and the cover-covered paper bag machine is not replaced as required (or the height adjustment is properly adjusted), the bag after the plastic bag is prone to hollow ridges and wrinkles. This must be controlled and checked during the plastic bag process.
        The finishing work before the paper bag machine plastic bag is a process that can not be ignored in the whole process of wireless binding. If the paper bag machine enters the plastic bag if it is not finished properly in the finishing process, there will be many undesirable quality problems such as peeling off, loose pages, empty ridges, wrinkles and the like after the plastic bag. Finishing is to bundle the semi-finished products. In order to make the back of the compacted back stiff and firm, after the compaction and bundling, the polyethylene glue is brushed on the back of the bundled book. After the polyvinyl alcohol glue to be brushed is dried, the tie rope is loosened, and then each will be loosened. The carding is separated and transferred to the plastic bag.

1. According to the use of paper bags, the material of the packaging bag should have resistance to moisture, water vapor, gas, light and heat, and also need to have certain impact strength, vibration strength and packaging humidity, etc. Packaged items have a certain ability to protect. This will meet people's requirements for packaging bags.
2. When selecting materials, the packaging materials are less toxic, especially food packaging bags, which are absolutely unable to release poisons. Otherwise, it will affect the promotion and application of paper bags, and have certain anti-microbial properties, but The material used in the bag making machine is made of paper to meet this condition.
3. The packaged materials can be produced on a large scale, which can meet people's daily needs, reduce the price of materials, facilitate mechanization, automation, and can be applied to printing, and can also print logo trademarks on the packaging bags.
4. The resources are relatively abundant, and the materials are convenient and the cost is relatively low. The used bags can be recycled and reused without causing environmental pollution. This is one of the fundamental reasons for eliminating plastic bags.
In general, the production materials of paper bags need to meet the requirements of people's daily life, and have high safety and environmental protection.

        The web paper bag machine is mainly used for the production of the bottom paper bag of the tube material. The original color or the printed web paper is finished by the machine once, the raw material is formed into a cylinder, cut, the bottom indentation, the bottom glue is applied, and the bottom of the bag is formed. Out of the bag. The operation of the web bag machine depends on the running system. Let's take a look at how the running system of the web bag machine is.
        The whole machine is controlled by the computer central control system, the touch screen display, the servo motor controls the length of the bag, and can produce paper bags of various specifications. The machine can adapt to the paper range, up to 230 bags per minute, and even higher speeds, helping customers to effectively increase unit capacity and gain more profits.
Operation control system, touch screen man-machine interface, can be easily solved regardless of correction and fine adjustment, alarm and operation status are instantly displayed on the screen for easy control.
        Unwinding system, raw material loading and unloading adopts air shaft clamping and hydraulic lifting structure. The unwinding adopts automatic constant tension control, EPC automatic deviation correction, and variable frequency motor traction, which greatly reduces the paper roll alignment adjustment time.
        Perfect after-sales service, eliminating the worries of customers. Accurately track printed materials, greatly reducing tuning, set time, and increase production efficiency.

        The web-side paper bag machine is used to finish the primary color or printed web through the edge-coating glue, folding into a cylinder, cutting the paper tube, bottom folding, bottom coating, bottom forming, and finished bag output. What are the functional features of the web-backed paper bag machine?
        Mainly based on web, reel head card and flat paper rope, the square bottom paper bag with flat rope handle is completed at one time, which is an ideal equipment for rapid production of flat rope portable paper bags.
        By completing the steps of hand handle making, handle sticking, paper tube forming, paper tube cutting and bag bottom forming, the machine is truly fully automated and can effectively save labor costs.
        The distinctive flat rope handle manufacturing process and special finished product counting function effectively improve the efficiency of the user to package the finished product in batches. Thanks to the perfect craftsmanship and fast bag making speed.
        The web-side paper bag machine is controlled by the PC servo control system and displays the touch screen human-machine interface in real time, which can produce a variety of paper bags. It has the advantages of fast speed, fast change of paper bag size and large adjustment range. It is the ideal equipment for producing food bags and portable shopping bags.

        The square bottom portable paper bag machine is mainly used for packaging of garment products, packaging of boots, packaging of various gifts, corporate image promotion bags, etc. What is the development trend of the portable paper bag machine at the bottom?
        There are two main types of square-bottomed paper bag machines on the market: one is a roll-type portable paper bag machine; the other is a single-sheet portable paper bag machine. Both devices are equipped with automatic paper feeding, automatic gluing, automatic paste bottom, and automatic output.
         However, there are still some shortcomings; first, after the finished paper bag is completed, there is an indentation on the front of the paper bag, which affects the appearance of the product; second, the finished paper bag needs to manually paste a bottom paper on the bottom of the bag to enhance the strength of the bottom of the paper bag; The handle of the paper bag needs to be manually pasted; the fourth is the production efficiency is low, about 40-60 per minute; the fifth is the limited range of paper, the paper weight is between 70-200g/m².
        Because the square bottom portable paper bag machine is easy to carry and easy to degrade, it can recycle recycled paper, reduce air pollution and protect the environment. Therefore, it is one of the most useful green products.
        The development of paper bag machinery has shown the momentum of integrating electromechanical, gas, liquid, light and magnetism. The production is highly efficient, and the product energy saving and recycling, high-tech practical and intelligent has become a trend.