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Detailed explanation of Nobot robot loading and unloading
Published Time:
Aug 23,2018
The Nobot industrial robot automatic production line workstation consists of a robot loading and unloading workstation and a robot assembly workstation, which are connected by a workpiece conveyor line. The robot completes the handling and in-warehouse assembly of the workpiece, while the CNC machine tool processes the handled workpiece. The robot and CNC machine tool cooperate to process and store parts.
Nobot The industrial robot automatic production line workstation consists of a robot loading and unloading workstation and a robot assembly workstation. Two The two workstations are connected by a workpiece conveyor. The robot completes the handling and in-warehouse assembly of the workpiece, while the CNC machine tool processes the handled workpiece. The robot and CNC machine tool cooperate to process and store parts. The overall layout is shown in the figure.
1. Robot loading and unloading workstation
Nobot The industrial robot loading and unloading workstation consists of a loading and unloading robot, a CNC machine tool, PLC control cabinet, Loading conveyor belt, etc.
1) Loading and unloading industrial robot
The loading and unloading industrial robot includes: industrial robot, control cabinet, teaching pendant, end effector. The selection of the loading and unloading industrial robot is generally based on the processed products and equipment layout of the automatic production line. For example, if the workpiece processed by the CNC machine tool is a cylinder, the weight ≤1Kg, and the equipment distance ≤1300, the machine tool loading and unloading robot uses Nobot NC4 stamping robot, as shown in the figure. The end effector uses a pneumatic mechanical two-finger single-joint gripper to hold the workpiece, and the solenoid valve that controls the gripper movement is installed on NC4 the robot body.
2) CNC machine tool
The CNC machine tool is shown in the figure. The task of the CNC machine tool is to process the workpiece, while the loading and unloading of the workpiece is completed by the industrial robot.
3) PLC control system
The PLC control cabinet is used to install circuit breakers, PLCs, switching power supplies, intermediate relays, transformers, and other components. The PLC is an OMRON NJ301-1100 controller. The start and stop of the loading and unloading robot and the operation of the conveyor belt are all controlled by it.
4) Loading and unloading conveyor
The function of the loading and unloading conveyor is to transport the tray carrying the workpiece to be processed to the loading station, and the robot transports the workpiece to the CNC machine tool for processing, and then transports the processed workpiece to the tray. The conveyor transports the processed workpiece to the assembly workstation for assembly. The loading and unloading conveyor is shown in the figure.
The loading and unloading conveyor consists of workpiece loading and unloading conveyor 1, workpiece loading and unloading conveyor 2, workpiece loading and unloading conveyor 3, etc., 3 sections of conveyor.
a) Workpiece loading and unloading conveyor 1 Workpiece loading and unloading conveyor 1 is shown in the figure. It consists of a DC geared motor, transmission mechanism, conveyor roller, tray detection photoelectric sensor, etc.
b) Workpiece loading and unloading conveyor 2 Workpiece loading and unloading conveyor 2 is shown in the figure. It consists of a servo motor, servo driver, transmission mechanism, flat belt, tray detection photoelectric sensor, blocking solenoid, etc.
c) Workpiece loading and unloading conveyor 3 Workpiece loading and unloading conveyor 3 is shown in the figure. It consists of a transmission mechanism, flat belt, etc. Workpiece loading conveyor 3 is connected to workpiece loading conveyor 2 through a pulley and driven by the same servo motor.
2. Industrial robot loading and unloading workflow
(1) When the tray carrying the workpiece to be processed is transported to the loading position, the robot transports the workpiece to the processing table of the CNC machine tool.
(2) CNC machine tool processing.
(3) After processing is completed, the robot transports the workpiece to the tray at the loading position on the conveyor.
(4) The loading conveyor transports the tray carrying the processed workpiece to the assembly workstation.
When the empty tray is placed at the starting position of the conveyor (tray position 1), the tray detection photoelectric sensor detects the tray, starts the DC geared motor and servo motor, and the three sections of the conveyor run simultaneously, transporting the tray to the workpiece loading position "tray position 2".
When the empty tray reaches the loading position (tray position 2), it is blocked by the blocking solenoid, and at the same time, the tray detection photoelectric sensor detects the tray, and the DC motor and servo motor stop. Wait for the robot to transport the workpiece to the CNC machine tool for processing, and then transport the processed workpiece to the tray.
After the robot transports the workpiece to the tray, the solenoid is energized, the baffle retracts, the servo motor starts, and the workpiece loading and unloading conveyor 2 and workpiece loading and unloading conveyor 3 run, transporting the tray with the workpiece to the assembly workstation.
The Nobot robot loading and unloading system realizes complete automation of the machine manufacturing process and adopts integrated processing technology, suitable for loading and unloading of production lines, workpiece turning, workpiece sequencing, etc.
BLOGS
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Nobot was invited to attend the Belt and Road International Exchange Conference
On July 28, 2024, the 2024 Liaocheng "Belt and Road" International Exchange Conference and the Unveiling Ceremony of the Central Asia International High-end Talent Joint Training Base were held in the Liaocheng High-tech Zone University Science and Technology Park. Professor Tursunbayev Zaporotot, President of Osh Technological University of the Kyrgyz Republic and corresponding academician of the Kyrgyz Academy of Engineering, and Academician Smaylor Erta of the Kyrgyz Academy of Engineering and the Russian Academy of Natural Sciences, among other experts and scholars from "Belt and Road" countries, participated in the event. Liaocheng Deputy Mayor Wang Gang and Zhang Ya, Party Secretary and Director of the Management Committee of the High-tech Zone, attended the event and delivered speeches.
This training event not only provided a valuable learning opportunity for company managers and key personnel, but also built a platform for communication and sharing. During the training, everyone actively interacted and discussed enthusiastically, exploring effective ways to improve management capabilities together. Through this training, everyone has gained rich knowledge and skills, but more importantly, it has inspired confidence and motivation for the future.
How to use a five-axis machining center efficiently? Today, let's learn a few practical steps!
When using a five-axis machining center, the equipment must first be adjusted to ensure that the workpiece and fixture dimensions precisely match, and that the zero points of each axis are accurately adjusted.
Why do composite materials require 5-axis CNC machining?
Composite materials are widely used in various fields such as aerospace, automotive, construction, energy, energy storage, infrastructure, marine, pipelines and tanks, sports and entertainment, and transportation due to their light weight, high fatigue resistance, and strong fracture resistance. Among them, aerospace and automotive industries are the largest application markets for composite materials. Five-axis CNC plays an important role in the processing of composite materials. Why do composite materials need to be processed using five-axis CNC?
Dual-station five-axis machines offer several significant advantages. First, while one station is being machined, the other can be used for material loading and unloading, ensuring continuous, non-stop machining and significantly improving production efficiency. Second, the dual-station design makes operation more convenient and reduces waiting time. However, dual-station five-axis machines typically cost more than single-station machines and may require more operating and maintenance space.
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