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With the large-scale and flexible development of robot systems, robots are increasingly connected to production lines, so it is necessary to strengthen safeguards and communicate better with operators.
In the past, maintenance programs in the packaging industry generally followed the logic of “IfX, thenYâ€. Simple security modules and defense monitoring controllers meet most packaging operations needs. By introducing flexible robotics, robots can perform multiple tasks using duplex lines and responsibilities, and security measures become more complex.
Safety Protection Controller: A robot requires multiple safeguards to work in multiple areas, such as emergency stop buttons, light curtains, and safety switches. In addition to these, these different functions need to be able to operate independently and in conjunction with each other.
The security controller provides an integrated approach that reduces the operational risk of managing multiple security devices. Luo Baihui, vice president of the Dongguan Robotics Association, said that if a machine has an emergency stop button, two-hand control, a safety light curtain and an interlocking safety switch, the safety protection controller can only use multiple safety modules or safety PLCs. A small part of it manages all operations. The security controller can also provide multiple security-related functions such as muting or bypassing the safety light curtain, external device monitoring (EDM), monitoring manual reset functions, and logic functions to create different zones and conditional logic.
Visual status indication: As robots and humans work together more closely, it is necessary for every operator to know the maintenance status. Visual security status indication is a fast-growing trend. Emergency stop buttons, interlocks, and safety rope pulls add communication, drive, and stop conditions.
Illumination emergency stop button: You can use yellow to indicate that the machine is being enabled or that the stop condition has been activated in red. The status indicator not only protects the worker, but also confirms the problem very effectively on the packaging line - especially when connecting a series of buttons. The visual status indication allows the operator to know which button was pressed, allowing them to quickly determine where the problem came from, enabling the worker to quickly resolve the problem and get the line up again.
Optical protection technology: When the robot is further integrated into the upper packaging production line, it is possible to increase the possibility that the robot works side by side with humans. In order to prevent workers from introducing clumsy physical protection barriers, optical protection technology is the best protection solution for robot packaging applications.
Safety light curtain: When the robot performs multiple tasks or supports multiple production lines, it will present different entry points of the robot unit. For example, a palletizing robot unit enters at the new pallet and slide, exiting at the full pallet. The safety light curtain effectively maintains multiple access points with minimal damage. By selectively muting the safety light curtain, pallets and products can flow freely into and out of the unit, while also protecting workers from hazardous areas.
Safety Laser Scanner: A safety laser scanner uses a pulsed laser to scan the surrounding environment and then compare the scanned information to a predefined area. If the scanner detects that an object has invaded the working area of ​​the robot, for example, a person can send a stop signal to the protection machine.
Regional laser scanners are versatile, non-invasive safeguards. Unlike other hard guard devices, fences or safety air cushions, laser scanners work without physical barriers. Safe laser scanning is also an ideal solution for niche packaging applications where the safety light curtain does not effectively cover the area.
Direct-punch rated equipment: When the machine enters the processing program and primary packaging, they are in contact with food, pharmaceutical and other conventional straight-through materials. These robots require IP67 and IP69K rated protection for protection. Straight-through safety light curtains, emergency stops and interlocks are becoming more and more popular in the packaging industry.
Robotics has changed the maintenance needs of the packaging industry. Universal safety solutions are no longer suitable for next-generation packaging machines. Various equipment should consider safety controls, safety light curtains and safety laser scanners to ensure complete robot technology and reduce product damage.