
Bottom Sealing Bag Making Machine
Description
Technical Parameters
Ruian Shengxiang Packaging Machinery Co., Ltd. ., founded in 2010, is a development, design, production, sales, service as one of the private economic entity. Mainly specialized in manufacturing of crosscutting, A4 paper cutter, cutting machine, roll cutting machine, rewinding machine, printing machines and other packaging equipment manufacturing.
Professional technical team
The company has a group capable of mechatronics engineering professionals and light industry equipment manufacturing experience, an abundant technical team, and a perfect system of processing, to absorb advanced technology at home and abroad at the same time.
Wide range of exports
We combine the market demand, constantly opening new packaging equipment, products are exported to: America in the middle east, africa, southeast asia, europe and other countries and regions, well received by customers and favor.
Professional service
We provide 24-hour service and can provide personalized solutions according to customer needs.
Wide range of products
We have a variety of products. Our main products include slitting machine, cutting machine, paper sheeting machine, bag making machine, printing machine and packaging machine.
Plastic Carry Bag Making Machine
SX-AT700/900 Plastic Carry Bag Making Machine
Provided by Shengxiang
Equipped with 0.75KW Italy MainMotor
Equipped with 3KW Japan Servo Motor
Automatic air shaft loading system
Automatic bag mouth punching system
German photo electric tracking eye.
Biodegradable T Shirt Bag Making Machine
SX-ST600-800 Biodegradable T Shirt Bag Making Machine
Provided by Shengxiang
Equipped with Step Motor (Optional servo motor)
Microcomputer control
Manual loading system
Automatic counting system
Work table.
Plastic Courier Bag Making Machine
SX-K800 1000 Plastic Courier Bag Making Machine
Provided by Shengxiang
Equipped with Stepping Motor control film feeding
Automatic air shaft loading system
Optional EPC system
Accurate and stable photocell tracking
Glue sprayer with glue stop function.
Bottom Sealing Bag Making Machine
SX-DF1200 Bottom Sealing Bag Making Machine
Provided by Shengxiang
Can support multi layer material rack
China brand step motor
Manual loading system (Optional auto loading for single rack only)
Without automatic EPC system
Photo electric tracking eye.
What is Bottom Sealing Bag Making Machine?
The bottom sealing bag machine is specifically designed for the production of bottom-sealed plastic bags. This series of machines can maintain high efficiency and stable operation while ensuring the production of hundreds of plastic bags per minute, greatly enhancing production efficiency.
Benefits of Bottom Sealing Bag Making Machine
Cost-efficiency
Owning a bottom seal bag making machine can significantly reduce production costs by eliminating the need to outsource bag production. This can lead to substantial long-term savings.
Customization
These machines allow you to create bags tailored to your specific needs in terms of size, thickness, and material. You can also print logos or branding information directly on the bags.
Speed and efficiency
Bottom seal bag making machines are highly automated, which ensures a consistent and rapid production process. This can help meet market demands and deadlines effectively.
Reduced environmental impact
Producing your bags in-house reduces transportation and waste associated with outsourcing bag production, contributing to a more sustainable business model.
Quality control
By manufacturing your bags, you can maintain strict quality control standards, ensuring that your products meet the highest quality requirements.
Types of Bottom Sealing Bag Making Machine
Full automatic bottom sealing bag-making machine
The full automatic bottom sealing bag-making machine is fully automated for efficiency in operation.
Semi-automatic bottom sealing bag-making machine
The semi-automatic bottom sealing bag-making machine borrows some aspects from the manual system.
Manual bottom sealing bag-making machine
The manual bottom sealing bag-making machine was the first paper bag-making machine. They are not hard to operate but use manual principles.
Application of Bottom Sealing Bag Making Machine
Retail and packaging
Many retail businesses use poly bag machines to produce bags for packaging products, protecting items, and improving customer experience. For example, clothing stores can use custom poly bags to package garments, while grocery stores can use poly bags to package food and produce.
E-commerce and shipping
With the rise of e-commerce, more and more online retailers are starting to use plastic bag sealing machines to produce shipping bags. These bags can be used to protect products during transportation and provide lightweight packaging solutions for small items such as accessories, electronics, and cosmetics.
Food service and catering
Food service companies and catering companies can use food-grade poly bag machines to produce bags for packaging prepared meals, snacks, and baked goods. These bags can be used to maintain freshness and quality, especially for products that need to be individually wrapped.
Healthcare and pharmaceuticals
Industries such as healthcare and pharmaceuticals have strict requirements for packaging materials. Poly bag machines can produce precisely sized and sealed bags for packaging drugs, medical devices, and surgical supplies. These bags can help ensure product integrity and compliance with regulatory standards.
Greenhouses and agriculture
Agriculture and horticulture businesses can use machine seal plastic bags to produce plant seedling bags, soil bags, and packaging for fruits and vegetables. These bags can help protect plants during transportation and storage and provide convenient packaging solutions for agricultural products.
Textile and garment production
Textile and garment manufacturers often need to use poly bag machines to package finished products such as clothing, home textiles, and accessories. These bags can protect the products from dust, moisture, and damage during transportation and storage and can also be used as retail packaging for display and sale.
Components of Bottom Sealing Bag Making Machine
Feeding mechanism: This component feeds the raw material into the machine. Depending on the material type, different feeding methods such as impeller, auger, gravity, air, or vacuum can be used.
Bag forming section: This section shapes the raw material into a bag. It includes mechanisms for folding, cutting, and sealing the material to form the bag structure.
Valve forming unit: This unit creates the valve opening in the bag, which is crucial for the filling process. The valve can be an inner or outer port, depending on the bag design.
Sealing mechanism: This component seals the bag after the valve is formed. Sealing methods include heat sealing and ultrasonic sealing, ensuring the bag is securely closed.
Control system: The control system allows operators to manage the machine's functions, ensuring precise and consistent bag production.

Process of Bottom Sealing Bag Making Machine
Material feeding: The process begins with feeding the raw material into the bag making machine. Depending on the type of bag being produced, the raw material may be rolls of plastic film, paper, or woven fabric.
Material heating and sealing: In the case of plastic bag making machines, the raw material (plastic film) is heated to a specific temperature to make it pliable. The heated film is then sealed along the edges to form the sides of the bag. This process may involve heat sealing, ultrasonic sealing, or other sealing methods depending on the machine design.
Cutting: After sealing the sides, the bag making machine cuts the continuous sheet of material into individual bags. The cutting process may involve rotary knives, blades, or other cutting mechanisms to achieve precise dimensions.
Bottom sealing or formation: Depending on the bag type, the machine may then seal or form the bottom of the bags. This may involve folding, sealing, or gluing the bottom edge of the bag to create a secure closure.
Printing (optional): Some bag making machines include a printing station where customized designs, logos, or information can be printed directly onto the bags. This adds branding or labeling to the bags as they are being produced.
Final inspection and packaging: Once the bags are formed and printed (if applicable), they undergo a final inspection to ensure quality and consistency. Defective or damaged bags are removed from the production line. The finished bags are then stacked, bundled, or packaged for storage, distribution, or further processing.
Control and monitoring: Throughout the operation process, bag making machines are equipped with sensors, controls, and monitoring systems to ensure proper operation, detect faults or defects, and make adjustments as needed to maintain quality and efficiency.
How to Maintain Bottom Sealing Bag Making Machine
Routine maintenance
To keep a paper bag machine running smoothly, regular maintenance is required. This includes cleaning, lubrication, and checking for component wear and tear.
Troubleshooting
In case of machine malfunctions, troubleshooting is necessary to identify the root causes and make necessary repairs.
Regular maintenance
Regular maintenance is crucial for the long-term stability of paper bag machines. This includes replacing consumable parts, calibrating the machine, and inspecting electrical systems.
Safety precautions
When operating and maintaining paper bag machines, adhering to safety regulations is essential to ensure the safety of operators.
The bag making machine is an important machine for producing packaging bags in the packaging industry and has various production uses in various fields. It is very important to adjust the machine during the production process of the bag making machine, which is the core of the machine throughout the process.
It is necessary to see the specifications and types of products (such as edge seals, middle seals), slit positions,heat sealing line positions, heat sealing line specifications and other requirements.
To replace parts by product type.
If it is a middle envelope: Replace the iron plate according to the width of the product (the width of the iron plate is generally 2 to 3 cm less than the width of the product).
The heat sealing line specification replaces the heat sealing die, and the feeding, the making and the heating are adjusted according to the thickness of the material and the melting point.
Need to press the bag specification.
Adjust the cutting position of the product to the position of the cutter, and then adjust the position of the heat sealing die according to the postion of the product heat sealing line.
Adjust the sensitivity of the photoelectric according to the brightness of the product pattern color.
During the bag making process, always check whether the heat sealing temperature of the product is moderate (the temperature is too hot, the bag is wrinkled, the temperature is too low, and the bag is not hot).
Always check the product specifications,heat sealing position, heat sealing line specifications, and the cutting position to meet the requirements.
How to Solve the Length Error of Bag Making Machine in Bag Making Process
The length of bag-making can be divided into mechanical length fixing system and electrical length fixing system. If the linkage or coordination produces error, it will cause the size deviation related to the bag-making length.
The reasons for the inaccurate photoelectric tracking are as follows:
1.Electric eye problem
Photoelectric eye adjustment method and working state selection is not appropriate.
First of all, it is necessary to confirm whether the electric eye is properly adjusted and whether the reflection and transmission of the electric eye are correct.
The second is to confirm whether the front control or the back control, which is called polarity, Finally, we need to confirm the tracking mode, such as: Scanning type (that is, the first walk fixed length, then scan color standard),fixed length check position type (that is, after walking fixed length check whether the color standard, is over or not in place).
2.Cursor printing or spacing problems
A. The design of the cursor is unreasonable, the available scanning area is too narrow, and the contrast between the cursor and the surrounding area is not obvious.
B. Cursor spacing changes.
A method of detecting if a hardware failure is in the control system:
The diagnosis function is found in the processing interface. The input display interface can display the signal about the machine, and the output interface can directly operate which output action, so that the machine fault can be quickly determined and solved.
Our Factory
Ruian Shengxiang Packaging Machinery Co., Ltd. ., founded in 2010, is a development, design, production, sales, service as one of the private economic entity.



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