Introduction to Conveyor Belts
Definition and Overview
A conveyor belt, universally referred to as a transport belt, serves as the essential medium for carrying and transporting materials within a belt conveyor. Typically crafted by blending rubber with fiber, metal, and other supportive materials, or by integrating plastic with fabric, it stands as a critical component in automated production lines. This innovative product is indispensable to modern industrial operations, ensuring seamless and efficient material flow.
Development History
- Originating from transmission belts, the concept of canvas belts was introduced in 1795, marking a significant innovation.
- The year 1858 saw the introduction of reinforced skeletons, leading to the advent of two-layer-skeleton rubber conveyor belts by 1868, a leap in durability and functionality.
- By 1892, advancements addressed the trough-forming challenge in rubber conveyor belts. The subsequent application of synthetic fibers enhanced both their trough-forming capability and strength. Additionally, this era witnessed the invention of flame-retardant belts, a milestone in safety.
- The late 1920s marked the appearance of aramid belts, which revolutionized the industry by enabling ultra-long-distance transportation, transforming industrial logistics.
Basic Structure
- Cover Layer: Comprising an upper and a lower rubber layer, this essential component is affixed to the exterior of the belt core. Depending on the service conditions, rubber formulations are meticulously selected to provide oil-resistance, abrasion-resistance, cold-resistance, flame-retardance, heat-resistance, and ozone-resistance.
- Belt Core Layer: Serving as the backbone of the conveyor belt, this layer bears the primary load. Depending on the required belt strength, options such as cotton canvas, nylon fabric, polyester fabric, aramid fabric, and steel wire rope core are available. It can be constructed in single-layer or multi-layer configurations for optimum flexibility and support.
- Isolation Layer: This layer plays a pivotal role in bonding the belt core. Its composition varies according to the specific requirements of different belt cores, ensuring cohesive operation.
Basic Functions
In an automated production line, the conveyor belt efficiently transports workpieces from one workstation to another, facilitating seamless processing operations. When utilizing a pallet fixture, it not only conveys the workpiece to each station but also returns the fixture back to the start of the production line. The design and functionality of the conveyor belt are crucial; they have a direct impact on the production line's efficiency. Enhancing the reliability of this transport device is vital for the smooth operation of the entire production line.
Classification
- By Style: Various styles include roller-type, such as free-conveying and driven roller types; chain-type, often used for returning pallet fixtures to the start of the line, capable of intermittent or continuous operation; and step-type, which moves workpieces or fixtures intermittently with mechanical or hydraulic assistance.
- By Purpose: Encompassing both general-purpose and specialized conveyor belts designed for specific conditions like flame-retardance, anti-static, heat-resistance, chemical-resistance, oil-resistance, low-temperature-resistance, and food-grade applications, making them versatile for diverse industrial needs.
- By Surface Shape: A variety of surface shapes including planar, trough, deep trough, corrugated side-wall, partition, round tube, flat tube, and embossed, offering tailored solutions for specific material handling requirements.
- By Belt Core Type: Distinct types include fabric-based options like cotton canvas and synthetic fibers, as well as steel-based options such as steel wire rope, steel fiber, steel strip, and steel wire cord, catering to different durability and flexibility needs.
- By Strength: Categorized by tensile strength levels as low-strength (<300kN/m), medium-strength (300-1250kN/m), and high-strength (>1250kN/m), providing options to suit varying industrial demands.
- By Working Department: Our conveyor belts are tailored for diverse sectors, including underground mining—employing mostly high-strength, flame-retardant belts ideal for subterranean environments. For open-pit mining, we offer reinforced steel wire cord belts known for their elevated strength. Construction sites benefit from our selection of low to medium-strength options. Within factories, we provide a versatile range of belts catering to varied functional needs. Agricultural engineering utilizes our cotton canvas and synthetic fiber belts, available in low to medium strengths. The transportation industry, including airports, primarily uses our general-purpose, planar-type belts. In the packaging sector, our low-strength general-purpose belts are favored. For passenger transportation, we offer general-purpose and steel-type belt varieties.
Application Fields
Our Heavy-Duty Industrial Conveyor Belt is an indispensable asset across an array of fields such as agriculture, industrial and mining enterprises, transportation, logistics and warehousing, food processing, construction, and beyond. It excels in the movement of diverse materials, from solid lumps to powder-like substances and packaged goods. Distinguished by its continuous operation capability, the conveyor belt ensures high efficiency and accommodates large inclinations effortlessly. With user safety and convenience at its core, it boasts an easy-to-use design and minimal maintenance requirements. Additionally, it provides substantial cost savings with low freight expenses, effectively shortening transportation distances, reducing project costs, and conserving both manpower and material resources.
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