In a broad sense, pneumatic tools are mainly tools that use compressed air to drive a pneumatic motor and output kinetic energy. According to their basic working methods, they can be divided into: 1) rotary type (eccentric movable vane type). 2) reciprocating type (volumetric piston type) Generally, the pneumatic tools are mainly composed of a power output part, a working part conversion part, an intake and exhaust part part, an operation opening and stopping control part, a tool housing and the like, and of course, the pneumatic tool must also have an energy supply part. Air filtration and air pressure adjustment parts and tool accessories.
1. Power output part: It is one of the main components of pneumatic tools. It mainly consists of a pneumatic motor and a power output gear. It relies on high-pressure compressed air to blow the motor blades to rotate the motor rotor, and to output the rotary motion. The gear drives the entire working form to transform part of the movement. According to whether the stator and the rotor are concentric, the pneumatic horse air motor can be divided into a concentric motor and an eccentric motor. According to the number of intake holes, it can be divided into a single air inlet motor, a double air intake motor and a multi-inlet motor. No matter what kind of air motor, it relies on compressed air to blow the motor blades to drive the rotor to rotate. When the motor blades rotate at high speed, they always rub against the inner wall of the stator. It is the most common vulnerable part in the motor, so it High requirements on the quality of compressed air and the presence of lubricating oil in compressed air;
2. The conversion of the operation form: it mainly converts the rotary motion of the motor output accordingly. In the automobile manufacturing industry, since there are many ways of screwing, most of them are rotary motions, and of course there are linear reciprocating motions. For different types of pneumatic tools, the operating part conversion part is mainly divided into mechanical clutch and planetary gear set, friction plate clutch and planetary gear set, hydraulic cylinder, torsion bar and hammer block group. The above components are all important components based on the rotary motion. It determines the important parameters of the torque, speed, and tightening accuracy of the pneumatic tightening tool. Due to its constant clutching, compression or torque conversion, its components are Vulnerable to damage;
3. Inlet and exhaust section: It is obvious that the intake and exhaust section is the relevant passage for compressed air in and out, and is an energy supply system that ensures normal movement of the motor;
4, the movement start and stop control part, that is, the commonly described pneumatic switch, because it is in direct contact with the operator and external objects, and more engineering plastic products, it is prone to damage;
5. Energy supply part: The compressed air is mainly formed by the air compressor compressing the atmosphere, and is transported by the compressed air pipeline to the relevant gas and electricity, and is pulsating;
6. Air filtration and air pressure adjustment: Since compressed air is usually transported through pipes made of seamless steel pipes, rust on the inner wall, moisture in compressed air, dust, etc. will continue to form during long-term use. If such compressed air does not undergo any treatment and directly enters the air motor, the life of the motor will be greatly shortened, resulting in insufficient power output of the whole tool and instability, which may cause damage to the connecting parts of the motor and the like. Compressed air filtration and adjustment devices must be provided between the compressed air delivered by the pipeline and the pneumatic tools. The pneumatic triple joints undertake this task. Pneumatic triplex is mainly composed of a barometer, a filter, an oil mister, a pressure regulator, etc., wherein a filter element is built in the filter, and maintenance and cleaning are performed after a period of use;
7. Tool attachment: The tool attachment here refers to the tool that is directly in contact with the workpiece on the body of the pneumatic tool. The pneumatic triple joint undertakes the task. The pneumatic triplex is mainly composed of a barometer, a filter, an oil mister, a pressure regulator, etc., wherein the filter has a built-in filter element, which is to be maintained and periodically replaced after being used for a period of time; such compressed air is not subjected to any treatment. Direct access to the air motor will result in a greatly shortened motor life, resulting in insufficient power output and instability of the entire tool, which may cause damage to the components such as the motor. For this purpose, the compressed air from the pipeline to the pneumatic tool Compressed air filtration and adjustment devices must be provided, including various types of pneumatic sleeves, posts, adapters, cutter heads, etc.;
The above-mentioned parts are interdependent and mutually constrained, and cannot be isolated and existed separately.
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Label: Maintenance and use points of pneumatic tools
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