Gluing machine control part adopts high stability control with PLC - Mitsubishi FX1S small PLC, motor driven by Mitsubishi E540 inverter, gloves by diffuse photoelectric switch Otoni detection, the positioning of the machine by the optical fiber sensor and two Otoni 0.1MM detection, the main process is controlled by PLC, the positive inversion driving four solenoid valves and a single-phase motor to realize all the technical requirements. The book has a step, a manual reversing position adjustment function.
The working process of this machine are as follows (host):
The use of the machine in automatic mode, the host after press the start button (a machine), motor rotation, in X0 (optical fiber sensor) in place, motor speed, speed, in the X1 (location of optical fiber sensor) in place, the motor immediately stop, and at the same time the top die, top chain (Y4), on the top die in place:
1, a glue the instruction to the 2-5 machine
2, the host to judge whether a glove
The host determines whether the gloves, if not, to complete the process of waiting for the next process.
If there are gloves, the host frame, the top die top chain, etc., to fall in place, brushing glue scraper down, then is the glue, head turn left, turn left out after the completion of the frame glue, rise back to in situ, the top die, the top chain back, back to a safe position, finally is the glue from left to right the squeegee uniformly, be ready for the next cycle, thus the whole process is finished.
In order to ensure the equipment safety, avoid the motor force caused by running screen plate, damage to the positioning device, control of the host PLC safe and normal operation of the machine position interlock by PLC, the automatic and manual operation of the machine must be in the safe position.
Safe location of the platform include the following contents:
1, the main frame is in the upper position of brush glue
2, the top die is in the retracted position
3, the top chain block is in the retracted position
The main components of this device is driven by the cylinder. Low vibration, low noise, high efficiency, the position of the cylinder by cylinder installed detection input PLC magnetic switch.
Interlocking machine:
The host output (Y12) detection of a signal, the signal for the handshake signal, followed by transfer. The host output (Y12) signal, the output to the input point station second PLC (X10), second PLC machine receives the X10 signal to judge whether the machine in a safe location (position the following requirements), if be in the safe position output Y1, Y1 signal second is sent to the X10 input points third, third station receives the X10 signal to judge whether the machine is in safe position, such as in the output Y1: and so on, when the sixth machine PLC also receives the X10 signal, the output Y1 to the first X10, the first in the signals received by sixth units, not now run the next round, but to judge whether the host to finish all the work the last cycle, if completed, is the beginning of the next cycle, if not completed, will have to wait until the last cycle steps done before entering the next cycle.
Any machine above interlocking locations are likely to affect the entire machine line, repeatedly encountered in production because of the security protection switch without action, resulting in failure of the whole machine cannot run, the machine does not intermittent operation, long time of mechanical wear, they would later use to cause a lot of trouble, how can fast lookup and troubleshooting?
The common faults of manual / automatic when the host can not rotate,
The steps are as follows:
The machine to failure, can not resolve in a short period of time, then cut off the heating system.
Check the electrical distribution box is normal, the inverter is the trip? If there is no trip to the third step
The host of the Y12 output light is lit up? If the lights turn to step fourth
Check whether the second X10 signal, if no signal is the fault line first to second. If the X10 signal to check whether Y1 is output, if not it is second safe position of the fault, such as the Y1 output to the fifth step
Check whether the third X10 signal, if no signal is the fault line second units to third units. If the X10 signal to check whether Y1 is output, if not it is third safe position of the fault, such as the Y1 output is back in check.
When the check to the No. six machine of X10 signal, Y1 also has an output, it is very possible fault point in a machine a machine, check whether the X10 input, if the input that the other five machine is normal, one engine fault, multiple faults, not only is the safe position problem.
For example: to start or stop button disconnection, PLC damage output, small auxiliary relay contact and so on, need to understand a certain electrical knowledge can repair, not do in detail. To judge the fault of the equipment must first know which one is out of the question, X10 and Y1 is the key!
Source: Chinese wiki
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