Industrial robot is a kind of can simulate part of the action of human hands and arms, in accordance with the predetermined procedures, trajectories and other requirements, to complete the grabbing, transfer of workpieces or manipulation of things automation equipment, is a very promising typical product of mechatronics, will be completed intelligent, multi-functional, flexible automation production, improve product quality, instead of people in harsh environmental conditions play a major role.
Composition of industrial robots
Mechanical system
The mechanical system is the mechanical part that completes the movement required to grasp the workpiece or thing, including the following parts: (1) the hand is the part of the industrial robot that is directly in contact with the workpiece or thing and is used to hold the workpiece or thing, and some industrial robots directly install things (such as welding guns, spray guns, containers) in the hand position, and no longer set the hand;
(2) The wrist is a part connecting the hand and the arm, which is mainly used to confirm the direction and posture of the hand operation and appropriately expand the scale of the arm action;
(3) The arm is a part that supports the wrist and hand and completes the large-scale movement;
(4) The fuselage is used to support the arm and install the driving equipment and other equipment;
(5) The walking organization is an organization that expands the scale of industrial robot activities, some are specialized walking equipment, and some are trajectory and roller organizations.
Drive system
The role of the drive system is to provide power to the fulfillment elements. Depending on the drive source, there are four transmission methods of the drive system: hydraulic, pneumatic, electric and mechanical.
Control system
The control system is the command system of industrial robots. It controls the industrial robot to move according to the regular program, can memorize various command information (such as action sequence, motion trajectory, movement speed and time, etc.), and send instructions to each fulfillment element according to the command information. If necessary, the robot can also be supervised and an alarm signal will be issued when the action is wrong or faulty.
Detect the sensing system
It mainly detects the movement orientation and condition of the industrial robot fulfillment system, and feeds back the actual orientation of the fulfillment system to the control system at any time, compares it with the set orientation, and then adjusts it through the control system, so that the fulfillment system reaches the set orientation with a certain accuracy.
Artificial intelligence system
The system mainly gives the industrial robot the function of five senses to complete the automatic identification and adaptive operation of the workpiece by the robot.
The primary parameters of industrial robots
Grip portion
That is, the arm strength, the grip component indicates the load capacity of the clear robot. This parameter is related to the speed of the robot, which generally refers to the amount of workpiece that can be grasped at normal operating speed. When the robot can run at an adjustable speed, the maximum weight that can be held at low speed is larger than that at high speed. For safety reasons, the amount of workpiece that can be held at high speeds is the target, and the operating speed is always specified.
Speed of movement
Motion speed is an important technical parameter that reflects the function of the robot. It is closely related to the robot's gripping component, positioning accuracy and other parameters, and it also directly affects the robot's motion cycle.
degree of freedom
The more degrees of freedom an industrial robot has, the more flexible and adaptable its actions are, but the more complex its structure is. Generally, it has 4-6 degrees of freedom to meet the use requirements.
Positioning accuracy
Positioning accuracy, that is, repeatable positioning accuracy, is another important goal to measure the quality of robot work. The level of positioning accuracy depends on the azimuth control method and the manufacturing accuracy and stiffness of the moving parts themselves, and is also closely related to the holding weight and movement speed.
Programming & Storage Capacity
The technical parameters are used to clarify the control ability of the robot, and the storage capacity is large, so it has strong adaptability, good versatility, and strong ability to engage in complex operations.
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