SU861435A1 - Device for automatic regulating of time of working material in processing machine - Google Patents

Description

.. The invention relates to devices for the finishing industry of the textile industry. A device is known for automatically controlling the processing time of a material in a technological machine that contains a drive motor of zero rollers, a tag sensor applied to the material, an engine speed control unit connected to a speed controller, a trigger whose input is connected to a tag sensor. And one of the OUTPUTS: is connected to the control input of the electronic key, the output of which is connected with the integrator's input, and a comparison unit connected to the output of the setpoint l. However, this device does not provide the required accuracy of adjusting the processing time of the material in the technological process during the longitudinal deformation of the material during its processing. The aim of the invention is to improve the accuracy of controlling the processing time of the material in the technology. gical machine. The goal is achieved by the fact that the device contains a speed sensor, connected to the electronic input, a zero-organ and two additional electronic keys, the control inputs of which are connected to the second output of the trigger, while the output of the integrator is connected to the second input via the second key a comparator unit, the output of which is connected to the inputs of the engine speed control and the zero-body, connected via the third key to the input of the DEVICE. Zero of the integrator. The drawing shows a block diagram of the proposed device. It contains engine 1, with water 2 tons of zero rollers 3 and engine speed sensor 4, engine speed sensor 5, engine speed control unit 6, trigger 7, mark sensor 8 8 applied to material 10, electronic keys 11, 12 and 13 , integrator 14, unit 15 of comparison, null organ 16. Sensor 8 marks and zero rollers 3 transporting material 10 ,. are in the process machine. The tag sensor 8 is connected to the trigger input 7, the first output of which is connected to the control input of the key 11, and the second output is connected to the control of the SERIES of the input keys 12 and 13. The sensor 4 of the rotational speed of the engine 1 is connected via, key 11 to the integrator input 14, output which, via key 12, is connected to one of the inputs of comparison unit 15. The other input of the comparison unit 15 is connected to the output of the setting device 5, and the output of the comparison unit 15 is connected to the input of the null organ 16 which is connected via a key 13 to the installation input of the zero of the integrator 14.

The device works as follows.

On the setter 5, a signal is installed, which, using the control unit 6, drives the engine 1 at a certain speed. The engine 1 by means of drives 2 rotates zero rollers 3, sweeping processing machine FFl in material machine 17 material 10. At the same time using drives 2 from engine .1 also engages sensor 4, the output signal of which is proportional to the magnitude e of engine speed 1-. In the initial state of the trigger 7, the signal from its first output closes key 11, and the signal from its second output opens the key 12 and 13. In this case, the signal from the speed sensor 4 is not received by the integrator 14. When the mark 9 moves relative to the sensor 8, the pulse from the latter switches the trigger 7 to the opposite state. The signal. From the first output of the trigger 7 opens the key 11, and the signal from the second output of the trigger 7 closes the keys 12 and 13. The signal from the speed sensor 4 goes through the key 11 to the input of the integrated 14. At the output of the integrator 14, the signal size is determined constant integrator time, time of passage of material 10 in the technological Machine 17 and the design parameters of the device. / At the next movement of the mark 9 relative to the sensor 8, the needle pulse from the latter switches the trigger 7 to the input state. The signal from the first output of the trigger 7 closes the key 11, and the signal from the second output of the trigger 7 opens the keys 12 and 13. The signal from the output of the integrator 14 through the key 12 goes to one of the inputs of the comparison unit 15, to the other input of which the signal comes from the setting device 5 The differential signal from the output of the setting device 5 is fed to its input, correcting the value of the set signal and

accordingly, the rotational speed of the motor 1. The equality of the signals arriving at the inputs of the comparison unit is fixed by a null organ, which by a signal from the output through the key 13 sets the integrator 14 to zero. 5 BpeiviH of material processing 10 during one cycle of the passage in the technological machine 17 as a result of correction motor speed 1 becomes equal to Hbtt / i given value. Installation

About the processing time of material 10 in technological magic 17 is carried out by changing the time constant of integrator 14 i

Thus, this device

5 by correcting the rotation speed

motor allows automatic control of material processing time in a technological machine when the filling length of the material changes and

0. Of its length during processing. .

Claims (1)

1. USSR author's certificate number 163152, cl. D 06 C 17/02, 1963.