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Conveyor Belts Make Your Life Easier (II)

Dec. 20, 2021

There are many different types of conveyor systems and conveyor systems are divided into the following categories.

 

Different types of conveyor systems

1. Ball Conveyor

Ball conveyors consist of multiple ball rollers that can convey products in multiple directions at the same time. They are used on packaging and assembly lines when products must be moved in multiple directions.

Multiple conveyor lines are used in combination with each other for transferring goods from one location to another. The conveyors are able to accommodate a wide range of sizes and load capacities. Ball conveyors are not self-driven and require additional force to move the product down the conveyor.

2. Baggage conveyors

In bagging handling systems, these types of conveyors are used to move bags from one location to another. If you've ever been to an airport, you're probably familiar with the fact that there are baggage claim locations where you can store your items.

You place your items on one side of the baggage conveyor belt and once they are checked, they are collected on the other side. This causes the bag to move in a circle. Conveyor belts are more likely to be found in places like stores or airports.

3. Belt conveyors.

In transportation, a belt conveyor appears to be a load-bearing material that conveys goods by using a continuous belt along a straight line or across a change in height or direction. The conveyor belt consists of two end pulleys that wrap around a long section of thick material that is both strong and durable.

The belt moves between the two as the motor in the pulley rotates at the same speed and direction as the belt moves between them. To provide further support when moving large or bulky loads or over long distances, rollers can be placed on either side of the belt to provide additional support.

Belt conveyors are the least expensive type of conveyor and the easiest to build and operate. It is used to transport bulk commodities such as grain, ore, coal, sand and other similar items.

4. Bucket Conveyor

Bucket conveyors are also known in some circles as grain legs. There are several types of conveyors available for the vertical transport of flowable bulk materials in assembly lines. It transports goods or commodities by using multilateral containers connected by cables, belts or chains.

These conveyors consist of an interconnected ring of barrels that remain flat as they move from a horizontal to a vertical position to prevent their contents from falling. These conveyors are simple to move, have a high load capacity and require little maintenance. It is used in the food, agricultural, pharmaceutical, chemical and glass industries.

5. Chain Conveyor

An automatic chain conveyor is a material handling device connected to a moving element (such as a chain or cable) and is typically used to transport goods through a production line. A chain conveyor consists of a series of gears that are connected together by a chain to form a continuous system.

Typically, each gear includes teeth that allow it to rotate freely along the chain when in use. In addition to providing a strong load capacity, chain conveyors also provide the ability to move very wide or long lengths of items. Chain conveyors are mostly used for moving or transporting large unit loads.


Conveyor Belts


6. Coal Mine Conveyors.

Using these conveyors to transport large quantities of coal over long distances is an efficient way of transportation. Due to their low power consumption, coal conveyors can help you save on operating costs.

Coal conveyors are more efficient than truck or rail systems when traversing steep terrain, and they have the added advantage of providing continuous transport. Depending on the application, it is suitable for installation in coal handling at an inclination of up to 20° to the horizontal.

7. Inclined Trough Conveyors

Inclined chute conveyors are one of the most expensive ways of transporting materials. They rely on gravity to do this as they transfer the load from one level to another on a smooth surface. Chute conveyors are used to increase the amount of space available for shipping.

Spiral chutes can be used to transport items between layers while taking up as little space as possible. A low dynamic coefficient of friction is achieved through the use of certain materials, which allow products or materials to slide smoothly. It can be used for scrap handling, packaging and postal handling, etc.

8. Magnet conveyors

Move ferrous materials vertically or in the opposite direction using these types of conveyor systems that use a bed of magnetic sliders or magnetic pulleys as the main moving part.

The magnets on this conveyor bed hold the ferrous or ferrous parts in the proper position and it should be able to run on any industrial conveyor system. All magnets are correctly positioned to provide precise magnetic holding force for these components. When removing ferrous chips from a machining center, this is done using a magnetic conveyor.

9. Overhead Conveyors

Overhead conveyors consist of individual tracks that can be operated manually or by electric motors. These are used at the workplace to perform transport and loading tasks for employees. They are attached to the ceiling with the help of trolleys or pallets, which are dragged by chains or cables to the desired location.

Such conveyors are designed to move along a continuous route and they can move the direction from horizontal to vertical and vice versa. This allows you to make better use of your floor space, transport goods in bulk, and send boxes or packages to your customers. Conveyors are primarily used for inspection and/or processing of assembly line components.

10. Pneumatic or Vacuum Conveyors

Unlike any other dry material conveying system, pneumatic vacuum conveyors are completely dust-free and require no manual intervention. Pneumatic conveyors operate on the premise that compressed air can be used to transport bulk goods through ducts.

When this blown air hits the bulk material, it creates propulsive force that propels the material through the conveying line. They require less maintenance, thus providing greater safety as well as reducing leaks and pipeline leakage. For example, burner feeders, metal powder carriers and recycling all use pneumatic conveyors.

11. Powered or powered roller conveyors

These are roller conveyors that move goods or materials by using motorized rollers to move the goods or materials. Conveyor rollers are powered by belts, chains or O-rings, depending on the weight of the material being transported. Their effectiveness in horizontal transport over long distances is well documented.

The speed of the conveyor belt and process can be easily adjusted and the risk of damage is minimized because the components never come into contact during operation. They are mainly employed in the food processing, steel manufacturing and packaging industries.

12. Roller conveyors

Roller conveyors consist of parallel rollers attached to a frame and are used to transport products by gravity or manually. These rollers are not actually self-powered, but rely on gravity to move items or, if they are placed horizontally, on the physical assistance of the user.

These types of conveyors can be installed in straight or curved configurations depending on the intended use and available floor space. Because they are built with a range of sensors and technologies, they are a very fast and safe method of load transport. It is used in a variety of situations on loading docks, baggage handling or assembly lines.

13. Screw or spiral conveyors

A screw conveyor is a device that conveniently moves or conveys fluid or granular materials. It consists of a rotating spiral screw blade connected to a uniform tube. Depending on the type of screw and the direction of rotation, it consists of a screw auger or steel auger that rotates within the shaft and pushes the workpiece.

In this case, the volume transfer rate is the same as the rate of shaft rotation. These conveyors are capable of handling large volumes of material at different rates from slow flow to fast flow. They transport items such as food waste, wood chips, grain, animal feed, boiler ash, meat and bone meal, to name just a few.

14. Slat or slat conveyors

Slat conveyors transport items from one end of the conveyor to the other by using a chain-driven slat ring. A slat conveyor is a system of slats and chains used to move parts down an assembly line.

The slats are connected in series by specific chain connectors and the chains are driven by electric motors and gearboxes as shown in the figure. This enables the implementation of a wide range of heavy-duty conveyor applications. In a heated drying process, slat conveyors may convey hot, greasy components or objects throughout the process.

15. Vertical Conveyors

Vertical conveyors are conveyors that automatically move products from one level to another by rotating or linear vibration. They are capable of transporting products from one height to another and increasing and decreasing the load in the supply line at different points along the way.

Vertical conveyors are placed between two horizontal conveyors and are able to maintain stable motion by using vertical offset to keep the motion stable. It is available in a variety of sizes and weight capacities depending on the application. Vertical conveyors are used in a variety of applications including reducing floor area, bundling multiple floors together, vertical stacking systems, and more.

16. Vibratory Conveyors

When a solid conveying surface is rotated sideways, the result is a trough, which is used by vibratory conveyors for transportation. They are capable of transferring static and dynamic forces to the structures that support them, depending on their design.

Materials can be transported downhill or horizontally on these conveyors as well as up to 10 degrees of incline. Vibratory conveyors have smoother surfaces, are easier to clean and require less maintenance than other types of conveyors. They are used to transport dry bulk commodities such as aggregates, gravel, coal and other similar materials to their final destination.

17. Wheeled Conveyors

Items are transported manually or by gravity on a wheeled conveyor, which is supported by a frame and consists of a series of wheels. This conveyor is constructed using a specific set of wheels and wheel spacing depending on the weight requirements and the application.

Wheeled conveyors are used in a variety of applications, such as item or package handling. They are typically used for loading and unloading vehicles, as well as transporting packages, pallets and other items.

In general, reinforced rubber belts meet these requirements better than any other material.

In general, conveyor belts consist of three elements.

▴ a top cover

▴ Carcass

▴ bottom cover

 

Conveyor belt parts

The carcass is the reinforcing element that takes up the tension required to start and move the loaded belt and absorbs the impact energy of the material during the loading process. The carcass can be either a fabric-reinforced material or a steel cord. In the case of fabric reinforcement, the carcass usually consists of a number of fabric layers. These layers can be made of coarse spun cotton fabric and are joined to natural or synthetic rubber by vulcanization.

Sometimes the ply pieces are made of super-strong synthetic fibers, such as

▴ Capron.

▴ Penol

▴ nylon, etc.

 

The strength of the fabric and the number of layers in the belt carcass can be varied together to suit the strength requirements. However, if the belt is too stiff, it will be very difficult to thread the belt through the grooves and bend it around the end pulleys. Therefore, a belt with fewer layers and a stronger fabric is usually preferred because it is more pliable. PVC belts are generally chosen for underground mining applications where fire hazards exist.


Technique Process

 

Belt covering grades.

The primary purpose of the cover is to protect the belt bundle from damage and any special deteriorating factors that may be present in the operating environment. Rubber or rubber-like compounds are used for the top and bottom covers of the conveyor belt. Various chemicals are mixed with these compounds to obtain the required physical properties needed for the conditions of use. The desired properties of belt coverings include resistance to cutting, measuring, tearing, abrasion, aging, moisture absorption and, in some cases, oil, chemical and heat resistance. Different grades of coverings are available for different qualities. The cover grade is determined by the properties of the material to be treated.

Some cover grades are

M24 grade.

Natural rubber compound with excellent resistance to cutting, measuring and abrasion

Grade N17.

Compound rubber has improved flex life, high abrasion resistance, cut resistance and less measurement resistance than M24 for moderately abrasive materials

HR Grade.

Suitable for handling alumina, ash, chemicals, etc. at temperatures in excess of 65 degrees C to 120 degrees C.

"Betaplus" grade.

Recommended for coarse and fine materials such as foundry sand, cement clinker, coke dock, sinter ore, etc. in the temperature range of 65°C to 180°C.

FR grade.

For underground mining and for equipment and materials requiring fire resistance and anti-static charge properties.

Grade or.

Suitable for optimum resistance to mineral, vegetable and animal oils

 

Designation of belts.

Belts are designated to indicate the full thickness tensile strength per meter of width and the number of layers of synthetic textile reinforcement. Example: 500/3 belt indicates a belt with a minimum guaranteed full-thickness tensile strength of 500 KN/m, containing 3 layers of fabric reinforcement. For all synthetic fiber reinforced belts, a safety factor of 10 is normally used to obtain the maximum working tension for vulcanized splices.

Steel cord belts are designated by the prefix "ST" followed by the minimum full thickness tensile strength in kN/m.

 

Belt splicing.

The two ends of the belt are attached directly to the conveyor by vulcanized or articulated metal belt fasteners of different designs. Vulcanization is the most reliable splicing method. Vulcanization technology is a specialized job, expensive, but produces the best results. Mechanical fasteners are commonly used to join flat belts.

 

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