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Automatic pressure regulation system of multi-color flexographic roller printing machine based on CAN bus
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A CAN bus, automatic voltage regulation technology, applied in printing presses, rotary printing machines, printing, etc., can solve the real-time problems of voltage regulation, and achieve the effects of improving real-time performance, fast transmission, and flexible adjustment
Active Publication Date: 2018-07-17
北京中航智德科技有限公司
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[0006] The purpose of the present invention is to overcome the above-mentioned defects in the prior art, and propose an automatic pressure regulation system of a multi-color flexographic roller printing machine based on CAN bus, which is used to solve the real-time pressure regulation existing in the existing pressure regulation system technical issues
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Embodiment 1
[0021] Embodiment 1, the multi-color pressing mechanism 4 of this embodiment is a unit type, and each multi-color pressing mechanism 4 includes eight single-color pressing mechanisms 41 .
[0022] refer to figure 1 , the present invention includes a man-machine interface 1, a controller 2, a CAN bus 3 and a plurality of multi-color pressing mechanisms 4; wherein,
[0023] Man-machine interface 1, using HMI, including data input interface, command sending interface and data display interface, used for human-computer interaction, HMI adopts cMT3151 of Weiluntong Company, contains CAN BUS to support CANopen protocol, built-in 4GB storage memory, Support SD card to expand storage capacity.
[0024] In this embodiment, the number of controllers 2 is two, and each controller 2 is connected to the CAN bus 3 through the CAN transceiver LTC2875MPS8 of the linear company, two optocoupler devices 6N137 and the CAN controller SJA1000 in turn, and the information is transmitted by the bus...
Embodiment 2
[0031] Embodiment 2, the multi-color pressing mechanism 4 of this embodiment is a satellite type. The other structures of this embodiment are the same as those of Embodiment 1, only the number of embossing rollers 415 and the way of installing the embossing rollers 413 and ink rollers 414 are adjusted.
[0032] In this embodiment, the multi-color pressing mechanism 4 includes an embossing roller 415, which is installed in such a way that eight forme rollers 413 and ink rollers 414 corresponding to the forme rollers 413 are installed around the embossing roller 415. The roller 413 and the ink roller 414 are installed on the monochromatic pressure mechanism 41 through their respective roller bases, and the axes of the three rollers are parallel to each other, and the diameter of the embossing roller 415 is equal to the integral multiple of each version roller 413, and Viewed from the cross section, the positions of the printing rollers 413 are evenly distributed on the circumfer...
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Abstract
The invention provides an automatic pressure adjusting system of a multi-color flexible printing roller printing machine based on a CAN bus. The system is used for solving the technical problem that pressure adjusting real-time performance is needed in an existing multi-color flexible printing roller printing machine and comprises a human-computer interface, controllers and a multi-color pressure adjusting mechanism which is connected with the human-computer interface and the controllers; FPGAs are adopted by the controllers, and the multi-color pressure adjusting mechanism comprises a plurality of single-color pressure adjusting mechanisms and one or more imprinting rollers; each single-color pressure adjusting mechanism comprises four servo motor drives, four servo motors, a printing roller and an ink roller; the human-computer interface is connected with the multiple controllers through the CAN bus, the human-computer interface transmits information to the controllers through the CAN bus, the controllers control the different servo motor drivers of the corresponding multi-color pressure adjusting mechanism, the servo motor drivers control the servo motors to drive the printing rollers and the ink rollers to move, closed-loop control over the printing rollers and the ink rollers can be achieved, and adjustment of inking pressure and printing pressure can be achieved. The system is used for the field of multi-color flexible printing roller printing machines.
Description
technical field [0001] The invention belongs to the technical field of printing machinery control, relates to an automatic pressure regulating system of a multi-color flexographic roller printing machine, specifically designs an automatic pressure regulating system of a multi-color flexographic roller printing machine based on CAN bus, which can be used for multi-color The field of flexographic roller printing machines. Background technique [0002] The flexographic printing machine uses fluid ink with strong fluidity. The ink is transferred from the ink roller and the anilox roller to the graphic part of the printing plate to make it inked, and then the pressure is applied between the embossing roller and the plate roller to make the printing plate The ink on the plate is transferred to the substrate, and finally passes through the drying device to complete the printing process. [0003] The pressure adjustment of the printing machine directly affects whether the printing ...
Claims
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Application Information
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