English Views: 151 Author: Site Editor Publish Time: 2022-08-15 Origin: Site
The limit switch is a precision switch of the limit device, the main purpose is to sense the presence and absence of the installation position and trigger by excessive or lack of physical contact. Due to the flexibility of the micro limit switch and its ability to adapt to different tasks and environments, it is very suitable as a conveyor belt component.
Industrial conveyor belts can improve production efficiency and reduce production time. It is one of the great inventions to reduce costs and manpower requirements. The application scenarios of industrial conveyor belts include production, mining, assembly lines, etc. Almost all major industries and departments use conveyor belts. The conveyor belt is composed of many pulleys advertised under the continuous belt, of which the following are powered, which can drive the belt to make the conveyor belt move in the specified direction.
Conveyor belts are roughly divided into general material handling conveyors and bulk material handling conveyors. Generally, material handling conveyors are used to transport smaller or lighter materials, such as packaging boxes. The bulk material handling conveyor is a type of heavy-duty conveying system, which is mainly used to carry heavy loads, such as industrial and agricultural products.
Conveyor belts can improve efficiency, but proper safety measures need to be taken, otherwise the conveyor belts can easily get stuck due to overload. Rotary limit switch can help conveyor belts avoid this situation, mainly by measuring the height or number of individual items on the conveyor belt. If the limit switch sensor senses an object that may cause an obstacle, it can shut down the system to prevent damage or overflow. There are many types of limit switches used in conveyor belts.
1. Heavy Duty Limit Switch
For conveyor systems installed in harsh environments, heavy-duty mechanical limit switches are the most common type. Roller limit switch can indicate the location of the material to the control system, and it can also count the number of individual items on the conveyor belt. In addition it can even be used to ensure that each item is in the correct position and aligned correctly.
2. Safety Switch
For industrial conveyor belts, safety is very important, not only to protect the safety of operators, but also to protect the safety of equipment. The safety limit switch uses a pull-wire system and consists of a snap-action switch, and the switch is connected to a cable with a handle at the end. The safety cnc limit switch provides a very reliable and manually controllable device that can stop the conveyor belt immediately.
3. Hazardous Location Limit Switch
In some harsh environments, in addition to heavy-duty limit switches, waterproof limit switch for hazardous locations can also be selected. Compared with heavy-duty limit switches, high temperature limit switch for hazardous locations are installed in a sealed enclosure and can be used in places with a risk of explosion. For places where fuel and grain are handled, an explosion may be caused by electric discharge, sparks and other external factors. At this time, it is suitable to choose a limit switch for hazardous locations.
