With the heating up of China's high-end cigarette market, special-shaped cigarette packaging machines are in a period of rising demand. High-end cigarettes are generally packaged with special-shaped packaging machines, and the so-called special-shaped packaging machines are different from the usual packaging machines. At the feeding end of the special-shaped packaging machine, the cigarettes are generally loaded into the packaging box by hand, and then the cigarette box is manually placed on the conveyor belt, and the conveyor belt sends the cigarette box to the packaging machine.
In order to feed the untimed, chaotic cigarette packs into the packaging unit of the packaging machine at equal distances, a cigarette subcontracting device is required. The subcontracting device is to put the cigarette box in turn in the hook plate device, wherein the hook plate device and the packaging unit of the packaging machine are connected together, so that the connection between the manual and the machine is completed.
- Lenze Solution Overview -
The solution uses Lenze9400 servo for transmission, with a production speed of up to 400 bags/min and an accuracy of less than 0.1mm. Lenze offers a drive-based control system solution for the functional requirements of cigarette subcontracting. The drive-based control system solution has the outstanding advantage of modularity of motion control programs, as the drive itself can be used not only as a drive unit for servo motors, but also as a support for a variety of PLC programming languages. All motion-related logic control can be completed by the servo controller itself, such as the host absolute encoder position information processing, zero-finding control, virtual clutch control, slip position correction in the transmission process, position power-off memory, and servo logic control and other functions. In this way, the program can be independent of the PLC control system of the machine, independently complete the subcontracting task of cigarettes, and the program itself is more flexible, stable and reliable.
- Lenze Products -
1. 9400 servo
The 9400 series servo is Lenze's new generation of high-end servo series, which is divided into two series: single-axis and multi-axis. The product adopts a 32-bit operating system to ensure the efficient and stable operation of the servo, and the product can support the Modular working mode and the remainder compensation mechanism, which effectively avoids the generation of calculation errors and cumulative errors. In addition, the 9400 also adopts the easy-to-learn CFC programming language, has a multitasking system, and uses a new installation method, with modular design, easy integration and other advantages, standard CAN bus interface and 8 switching inputs, 4 switching outputs, 2 analog inputs and 2 analog outputs; At the same time, it is equipped with two communication expansion ports, which can be used to install modules such as Ethernet, CanOpen, DeviceNet, EtherCAT, EtherNet, EthernetPowerlink (MN + CN), InterBus and Digital frequency.
2. G500-B series asynchronous servo reducer
The product is composed of Lenze's MCS geared motor combined with G500-B series reducer, which has the advantages of high precision, impact resistance and long life. This series adopts a straight shaft output method, and supports two mounting methods: solid shaft and hollow shaft. The solutions listed in this article use a hollow shaft output. Asynchronous and synchronous servos can be used in different applications. Because the cigarette subcontracting device requires high dynamic response, the high inertia of the synchronous servo is small, which can meet the requirements of high dynamic response and control accuracy (about 0.1mm).
- Functions of the Lenze solution -
The solution uses two Lenze 9400 servo controllers as the core of the motion control for the motion control of V-slot 1 and V-slot 2 parts. In this scheme, the two axes are fully synchronized with the encoder, and the position signal of the real axis is transmitted to V-slot 2 via the CAN bus. For the cyclical working mode, the Lenze servo has a remainder compensation mechanism, which can effectively avoid the generation of accumulated errors. The topology is shown in the figure below.
-Bright spot-
* This solution is compact and independent of the machine's control system.
*Using 9400 intelligent servo controller, it can support Modular working mode internally, taking the bottle position as the cycle unit, effectively avoiding the generation of calculation errors and cumulative errors.
* The intelligent servo controller can complete the motion control independently, reduce the burden on the central controller, realize the separation of motion logic, and increase the reliability and flexibility of the system. Through the I/O or communication module, the signal interaction with the host PLC can also be realized to realize the logic interlocking between the whole machine.
* The high-efficiency MCS servo motor and high-quality reducer provide high-precision mechanical drive and flexible and reliable installation method for the equipment.
* Professional and independent service team and sales staff, tailor-made for customers to create the most competitive and high-end packaging equipment.
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