The research and development of robots has been ongoing for decades. However, in many important industrial production scenarios, their role remains limited and fails to meet satisfactory standards. The main reason for this inefficiency is that robots are often restricted by gripping devices when picking up workpieces and cannot be as flexible as human hands.
In various production practices, the mechanical grippers of loading and unloading robots have been widely used due to their advantages of convenient operation and high efficiency. They can improve the production quality of products and spare workers from the monotonous and heavy labor on the production line for long periods.
The two - finger parallel gripper is a commonly used gripping device in many robot installations currently. The main feature of this device is its two - end clamping design with two parallel grippers. Usually, this type of gripper device can pick up some workpieces with large volumes and strong textures. The grippers produced by Wommer Worm have the important advantages of low cost and simple and convenient maintenance, which are popular among many factory and enterprise users. So, what are the main components of the loading and unloading mechanical gripper?
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Grasping and Conveying Mechanism
The grasping and conveying mechanism is vividly called the "hand." Among them, the grasping mechanism includes fingers and a force - transmitting mechanism, which play the role of grasping and placing objects during work. The conveying mechanism of the loading and unloading mechanical gripper includes structures such as the wrist and the arm, which can be used to change the orientation and position of objects in practice.
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Actuator
The mechanical gripper of a high - rated handling robot generates power through the driving part, so the driving part is also its power source. There are usually four different driving forms: hydraulic, pneumatic, electric, and mechanical drive. Among them, the hydraulic drive system consists of an oil cylinder, valves, an oil valve, and an oil tank. The pneumatic drive system consists of an air cylinder, air valves, an air compressor (or directly provided by an air compressor station), and an air storage tank. The electric drive system consists of some motors.
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Control Part
The control part of the mechanical gripper generally includes a program - control part and a stroke - detection feedback part. The stroke - detection feedback part is the command system in the loading and unloading mechanical gripper. Every programmed action of the loading and unloading mechanical gripper is executed according to the commands of the control part, including the execution sequence of actions, starting position, and time. In addition, the running speed and acceleration can also be controlled.
These components are the main parts of the loading and unloading mechanical gripper. Through the joint actions of these parts, the work set by the program is completed, and the required sequence and time are ensured. Therefore, many production and processing enterprises will purchase complete loading and unloading mechanical grippers and install them on the main equipment to execute the loading and unloading procedures.
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