Skip to content 
Conveyor belt joints are components that connect two sections of conveyor belt into a loop shape. They are a vital part of conveyor belt installation and maintenance. Proper joint handling can ensure smooth operation of the conveyor belt and extend its service life. The following are some common conveyor belt joint methods:
Mechanical Fasteners
Mechanical fastening is a common joint method that uses mechanical tools and fasteners to connect the two ends of the belt together. Conventional mechanical connection methods include bolt , nail and steel buckle joint, which are usually suitable for small belt conveyor equipment or low-load transportation situation. The advantages of mechanical connection are simple construction and easy maintenance. However, the strength of mechanical connection is relatively low, difficult to clean and easy to loosen and break over time, so it is not suitable for high-load or long-term transportation.
Hot Vulcanized Joint
The hot vulcanization joint is the most reliable method for connecting conveyor belts. The two ends of the conveyor belt are connected together through hot vulcanization technology. This method is suitable for thermoplastic materials belts, such as PVC, polyurethane, etc. Currently it is the most ideal joint method, which can make the conveyor belt completely sealed, not affected by moisture. Since the shape looks like teeth after punching, it is also called a tooth joint. At first use a layering machine to layer the belt, then use a tooth punching machine to punch teeth, and then use a vulcanize machine to heat and fuse them together at high temperature. The joints after bonding are evenly stressed, ensuring the hygiene and easy cleaning characteristics of the conveyor belt. The hot vulcanization process has the advantages of high strength, wear resistance and corrosion resistance. It is suitable for large-scale conveying belt and is widely used in mines, ports, power plants and other places conveyor belts.
Cold Bonding Joints
Cold bonding joints use cold adhesive, it is more efficient and economical than mechanical joints. It should have a better joint effect. However, from practice, it is not very stable because the process conditions are difficult to master and the quality of the adhesive has a great impact on the joint. Cold bonding needs to pay attention to following parts:
- It is particularly important to choose the correct adhesive.
- Grinding: It helps to increase the surface area and improve the bonding strength. The grinding needs to be flat and uniform.
- Surface cleaning
- Drying: There is a minute quantities of moisture on the surface of the adhered, which will affect the wetting of the adhesive on the surface of the adhered. Drying the surface of the adhered before bonding can greatly improve the bonding strength and save time.
- Gluing: Too thick or too thin glue will affect the bonding strength. Gluing should be uniform and consistent, and proceed in one direction to ensure that no glue is leaked.
- Environment: Too much dust on the site will affect the bonding effect. Pay attention to dust prevention when gluing.
