SU1567492A1 - Arrangement for checking break of continuous material when wound - Google Patents

Abstract

The invention relates to automatic devices for detecting the breakage of a lengthy material during its winding and can be used on the process equipment of electrical engineering enterprises when winding a wire on rectangular winding mandrels. The aim of the invention is to improve the accuracy of control of the break. Pulses from the output of the speed sensor of the mandrel with a duration corresponding to the winding speed are fed to the counting input of the pulse counter, the information inputs of which are connected to the code master, the recording input is connected via an inverter to the output of the wire tension sensor, the reset input is connected to the output of the first trigger, and the overflow output is connected to the input of the second trigger, to the output of which the break indicator is connected. The device detects a wire break when the signal from the output of the wire tension sensor is sufficient to overflow the counter with a certain number of pulses from the output of the sensor for the rotational speed of the mandrel set by the code generator. 1 il.

Description

The invention relates to automatic devices for detecting the breakage of a lengthy material during its winding and can be used on the process equipment of electrical engineering enterprises when winding a wire on rectangular winding mandrels.

The aim of the invention is to improve the accuracy of control of the cliff.

The drawing shows a diagram of the proposed device.

The device comprises a rotational speed sensor 1 of the winding mandrel 2 onto which the wire 3 is wound, a compensation lever 4 with a guide roller 5 for supplying the wire 3, a tension sensor 6 installed with the possibility of interaction with the compensation lever 4, triggers 7 and 8, inverter 9, unit 10 code, pulse counter 11, start element 2 and break indicator 13

The output of the start element 12 is connected to the R inputs of the trigger 7, and 8 The output of the tension sensor 6 is connected to the S input of the trigger 7 and through inverter 9 to the recording input of the pulse counter 11, the reset input of which is connected to the output of the trigger 7. counting input connected to the output of the sensor 1 of the rotational speed of the mandrel 2, and the information inputs are connected to the corresponding outputs of the setting device 10 of the code. The break indicator 13 is connected to the output of the trigger 8, the S input of which is connected with the output of the overflow of the pulse counter 11 pulses.

The device works as follows

Before starting the winding mechanism on the unit 10 code is typed code

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and and CO ND

Bin corresponding to the filling of the pulse counter 11, that is, the delay time of the t-command of its overflow output from the moment a resolution combination of voltage levels arrives at the C input recording and R reset inputs

At the same time, depending on the initial tension of the wire 3 and the position of the compensating lever 4 at the output of the tension sensor 6, a level of

spr, cn,) is the corresponding state of the log and the y potential, and from the output of the trigger 7 to the ical unit with sufficient tension, the R input of the reset of the counter 1 1 enters the zero wire 3 or the logical zero with its minimum tension or breakage When starting the winding mechanism, a single command comes from the output of the element 12 to the R input of the trigger 7, and under the condition of minimum tension of the wire 3 and a zero potential at the output of the tension sensor 6, the single output is formed at the output of the trigger 7

the potential input to the reset input 20 of the indicator 13 of the counter break 11 impulses, which leads to

resetting the contents of the counter 11 pulses, when changing speeds on locking synchronous pulses at its fretting and, therefore, winding reference input. At the same time, unit 2 has a pulse period T with a pulse from the output of the trigger trigger output element 12 of the rotation speed sensor 1 and the transducer 8 is converted to when 2 also changes, so the author at the output provides the uromatic change in the delay time b,

Te device self-adapts to changing winding speeds

potential, which leads to the impulse counting coming from the output of sensor 1 and, 1 rotation of the mandrel 2 As a result of the counter overflow of 11 pulses from the pulse of its overflow output, a single command pulse is sent to the S input of the trigger 8, which leads to a change state, the formation of a unit-level voltage at its output and the potential of a logic zero

If at the start of the winding mechanism the wire 3 has a sufficient tension and at the output of the tension sensor 6 a unit potential arriving at the S input of the trigger 7, then the zero resolution of the output potential of the trigger 7 is fed from the output of the trigger 7 potential, from the output of inverter 9 to the input of the record of the counter 11 pulses is supplied to the zero potential, which ensures the entry into it of the code from the outputs of the setting device 10 of the code and blocking of the pulses at the counting input

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Claims (1)

Invention Formula A device for monitoring the breakage of a lengthy material during winding, comprising a sensor for the rotational speed of the mandrel and a trigger, the R-input of which is connected to the start element, a pulse counter and an indicator of the breakage, characterized in that. in order to increase the control accuracy when winding the prorop onto rectangular-shaped winding mandrels, it has an additional trigger, inverter, and tension sensor Periodic variation of the tension of the wire 3, 40 of the material and the code setter, and the output, for example, due to the shape of the winding mandrel 2, the material tension sensor is connected to the S-BXO trigger and through an inverter with a pulse counter recording input, the reset input of which is connected to the output the trigger, the even input is connected to the output of the rotational speed sensor of the mandrel, the information inputs are connected to the corresponding outputs of the code setter, and the output is connected to the S input of the auxiliary trigger. The R input is connected to then the output of the tension sensor b is the potential level periodically changing to the state of logical zero or logical unit. Moreover, if the duration of the logical zero command does not exceed the delay time X ± T, where T is the pulse period to the counting input of the counter 11 pulses sensor 1 frequency of rotation of the mandrel 2, 45 and fc is the division ratio of the counter 11 50 to the output of the start element, and the output is connected with the input pulses, the capacity of the counter 11 is impulse-breaker The clock, determined by the unit 10 of the code, will not be overflowed, and the overflow signal will not be generated. At the same time, the code will be periodically overwritten. In the event of a wire break 3, the compensating lever 4 occupies the upper position, the potential of logical zero is removed from the output of the tension sensor 6, and one from the output of the inverter 9 to the recording input of the counting device 11 pulses Invention Formula A device for monitoring the breakage of a lengthy material during winding, comprising a sensor for the rotational speed of the mandrel and a trigger, the R-input of which is connected to the start element, a pulse counter and an indicator of the breakage, characterized in that. In order to increase the accuracy of control when winding a Prorop on rectangular-shaped winding mandrels, it has an additional Yu  four Choll ҐP