Parallel robots only gained widespread attention in the 1990s, with advantages such as high stiffness, fast speed, strong flexibility, and light weight. Together with series robots, they form an important part of industrial robots. It is most widely used in light industries such as food, medicine, and electronics, and has unparalleled advantages in material handling, packaging, sorting, and other aspects. In the past two years, with the increasingly widespread application of parallel robots in the market, they have become a new force in the growing demand for industrial robots.
The so-called industrial robot is a multi joint robotic arm or multi degree of freedom machine device oriented towards the industrial field. It can automatically perform work and is a machine that achieves various functions through its own power and control capabilities. It can accept human command or run according to pre arranged programs, and modern industrial robots can also act based on principles and guidelines formulated by artificial intelligence technology.
The main body includes the base and actuator, including the arms, wrists, and hands. Some robots also have walking mechanisms. Most industrial robots have 3-6 degrees of motion, with the wrist typically having 1-3 degrees of motion; The driving system includes a power device and a transmission mechanism to generate corresponding actions for the actuator; The control system sends command signals to the driving system and executing mechanism according to the input program, and controls them.
Delta parallel robot with degrees of freedom:
There are many kinds of DOF parallel mechanisms with complex forms, mainly including three DOF and Six degrees of freedom parallel structures, which are widely used in Flight simulator, 6-axis force and torque sensors, parallel machine tools and other fields. Its characteristics include:
1. Compact structure, high stiffness, and large load-bearing capacity;
2. No cumulative error, high accuracy;
3. Small footprint;
4. Fast speed and excellent sports performance, 5. Low component wear and long service life
Application ranges:
Parallel mechanisms are often used in situations that require high stiffness, precision, speed, and no need for large space. Specific applications include:
1. Sorting, handling, and packaging in the food, pharmaceutical, electronics, and chemical industries.
2. Simulate motion; Such as a pilot's three-dimensional space training simulator; Engineering simulators, such as marine swing platforms; Test the operational reliability of the product under simulated repeated impacts and vibrations; Entertainment and sports simulation platform.
3. Parallel machine tool
4. Docking action; For example, the Docking and berthing of spacecraft of spacecraft; Wheel installation on automobile assembly line; Prosthetic limb osteosynthesis in hospitals.
5. Carrying motion; Tightening with high torque bolts; Short distance heavy object handling.
6. Metal cutting processing; It can be applied to various milling machines, grinding machines, drilling machines, spot welding machines, and cutting machines.
7. Can be used as an error compensator for measuring machines and other mechanisms
8. Micro operation robot; Used for micro mechanisms or micro mechanisms
9. Robot joints; Can be used as joints for robots, crawling mechanisms, food, pharmaceutical packaging, and transfer robots, etc
The parallel robots in China started relatively late, and there is still a gap in technology research and application level compared to foreign countries. However, with the development of various industries in China in recent years, a large number of parallel robot enterprises have emerged. With the combined effect of the market and talent, domestic parallel robots have a great potential to catch up with foreign countries, and China has many innate advantages that cannot be possessed by foreign countries, such as industrial chain, price cost Technological upgrading and market promotion are encouraging the development of this industry, among which Nanjing Quankong, an enterprise specializing in the research and development of customized three / Six degrees of freedom sports platform, is the most representative. Its products are applied to the field of flight and racing simulation, and a series of projects including 5G remote bus driving, 5G remote mining excavator control and other projects with domestic 5G R&D enterprises indicate the progress of this industry in China. At the same time, Experts also predict that "parallel market demand is about to experience explosive growth".