Strip material area-meter

Claim 2

An area-measuring device for measuring area of strip materials being reeled on a reeling machine, comprising: a process blocking circuit having three inputs and an output, and adapted for blocking said measuring device in the case of breakage of the strip material being reeled on and subsequent cutting-off thereof; a length-meter having an output connected to one of said inputs of said process blocking circuit; a breakage-sensing element having an output connected to the other input of said inputs of said process blocking circuit; a cutting device adapted for cutting off a strip material from the roll in the case of breakage of said strip material, and having an output connected to the third input of said process blocking circuit, and two inputs, one of which inputs being connected to said output of said length-meter, and the second input connected to said output of said breakage-sensing element; a first two-position switch having an input lead, a first-position output lead and a second- position output lead, the first position output lead connected to said output of said process blocking circuit; a common clearing line; an intermediate memory counter, having a clearing input connected to said common clearing line, a count input connected to said input lead of said first two-position switch, and outputs; a first controlled frequency divider having an output, control inputs connected by positions to said outputs of said intermediate memory counter, and a count input; an overflow blocking unit having inputs connected to said outputs of said intermediate memory counter, and an output; a reference frequency generator having an output connected to said count input of said first frequency divider; a second controlled frequency divider having plural control inputs, a count input connected to said output of said reference frequency generator, and an output; AND circuit means having an output connected to said second position output lead of said first two-position switch, and two inputs one of which inputs connected to said output of said overflow blocking unit, and the second input connected to said output of said reference frequency generator; plural NAND logic circuits equal in number to the number of said inputs of said second controlled frequency divider, and each having first and second inputs, and outputs connected to said control inputs of said second controlled frequency divider; a second two-position switch having first and second position output leads, the second position output lead connected to said first inputs of each said NAND circuit, and the first position output lead being grounded; a correction input unit having outputs connected to said second inputs of each said NAND circuit; a time interval generator having an input connected to said output of said second controlled frequency divider, at least one control input, and two outputs one of which being a clearing output; at least one width-setting unit having an output connected to a respective control input of said time interval generator, and an output; a coincidence circuit having two inputs, one of said two inputs connected to said output of the first controlled frequency divider, with the second input being connected to said output of said time interval generator, and an output; and a counter unit having an input connected to said output of said coincidence circuit, and a clearing output connected to said output of said time interval generator.

Claim 3

An area-measuring device for measuring area of strip materials as claimed in claim 1, wherein a device for cutting off strip material from a roll comprises: a level pick-up including a pulse-type speed counter mounted on a reel shaft of the roll being formed and having an output; a control unit having three inputs and three outputs, and comprising a single impulse generator having an input which is one of the outputs of said control unit and connected to said output of said pulse-type speed counter, and an output which serves as an output of said control unit; an RS flip-flop circuit having inputs R and S which serve as the other two inputs of said control unit, the input R connected with said output of said breakage-sensing element, and a direct and an inverse outputs, with the inverse output being connected to one of the inputs of the process blocking circuit and serving as an information output of said device for cutting off the material being reeled on; an AND logic circuit having two inputs one of which inputs being connected to said input of said single impulse generator, and the second one connected to the direct output of said flip-flop circuit RS, and an output; A T flip-flop circuit having an input connected to the input of said AND logic circuit, and a direct and an inverse outputs which serve as outputs of said control unit; a memory unit having six inputs and an output, and comprising a first AND logic circuit having a first and a second inputs, the first input serving as one of the inputs of said memory unit and being connected to the direct output of said T flip-flop circuit, and an output; a second AND logic circuit having first and second inputs which serve as the other inputs of said memory unit, the first input connected to said output of said length-meter and to said second input of said first AND logic circuit, and the second input being connected to said inverse output of said T flip-flop circuit, and an output; a third AND logic circuit having a first and a second inputs serving as inputs of said memory unit, with the first input connected to said direct output of said T flip-flop circuit, and an output; a fourth AND logic circuit having a first and a second inputs which serve as inputs of said memory unit, the first input connected to said second input of said third logic circuit and to said output of said single impulse generator, and an output; a first counter-register having a count input, connected to said output of said first AND logic circuit, a clearing input connected to said output of said third AND logic circuit, and outputs; a second counter-register having a count input connected to said output of said second AND logic circuit, a clearing input connected to said output of said fourth AND logic circuit, and output; a comparator circuit having inputs connected to the corresponding outputs of said first and second counter-registers, and an output serving as an output of said memory unit and being connected to said input S of said RS flip-flop circuit.

Claim 4

A device for measuring area of strip materials as claimed in claim 2, wherein there are further included two switching units each having inputs connected to said outputs of the corresponding said counter-register, and outputs; two coincidence circuits having each inputs connected to the outputs of said corresponding switching unit, and an output; a control unit having two inputs, one of said two inputs connected to said outputs of said coincidence circuit, and outputs for connection with actuating mechanisms adapted to start braking of and to stop the reeling mechanism of the machine.

Claim 5

An area-measuring device for measuring area of strip materials being reeled on a reeling machine, comprising a process blocking circuit means having three inputs and an output for inhibiting operation of said area-measuring device in the case of breakage of and subsequent cutting off the material being reeled on; length-meter having an output connected to one of said inputs of said process blocking circuit; strip breakage-sensing means having an output connected to the other input of said inputs of said process blocking circuit, and a second output; cutting means for cutting off the material from the roll in the case of breakage of the material being rolled up and having an output connected to the third input of said process blocking circuit, and two inputs one of which two inputs is connected to said output of said length-meter, and the second input is connected to said second output of the breakage-sensing means; a first two-position switch having an input lead and first and second position output leads, the first position output lead being connected to said output of said process blocking circuit means; a common clearing line; an intermediate memory counter having a clearing input connected to said common clearing line, a count input connected to said input lead of said first two-position switch, and outputs; a first controlled frequency divider having an output, control inputs connected by positions to said outputs of said intermediate memory counter, and a count input; an overflow blocking unit having inputs connected to said outputs of said intermediate memory counter, and an output; a reference frequency generator having an output connected to said count input of said first frequency divider; a second controlled frequency divider having plural control inputs, a count input connected to said output of said reference frequency generator, and an output; an AND circuit having an output connected to said second position output lead of said first two-position switch, and two inputs one of which is connected to said output of said overflow blocking unit, and the second one connected to said output of said reference frequency generator; plural NAND logic circuits equal in number to the number of said control inputs of said second controlled frequency divider, and each having first and second inputs and outputs connected to respective control inputs of said second controlled frequency divider; a second two-position switch having first and second position output leads, the second position output lead connected to said first inputs of each said NAND circuits, with the first position output lead being grounded; a correction input unit having outputs connected to said second inputs of each said NAND circuit; a time interval generator having an input connected to said output of said second controlled frequency divider, at least one control input and two outputs, one of which outputs serving as a clearing output; at least one setting unit having an output connected to the corresponding control input of said time interval generator; a coincidence circuit having one input connected to said output of the first controlled frequency divider, and a second input connected to said output of said time interval generator, and an output; a counter unit having an input connected to said output of said coincidence circuit, and a clearing input connected to said output of said time interval generator; a control signal generator having an input and two outputs, and comprising: a scaling unit having an input which is the input of said control signal generator and connected to said output of said length-meter, and an output; a first code-to-digit converter having control inputs and a clearing input connected to said common clearing line, an information input connected to said output of said scaling unit, and an output which serves as an output of said control signal generator and which is adapted for being connected to an actuating mechanism for stopping the reeling mechanism of the machine; a second code-to-digit converter having control inputs and a clearing input connected to said common clearing line, an information input and an output serving as an output of said control signal generator and adapted for being connected to an actuating mechanism for braking the reeling mechanism of the machine; a 2 AND-2 AND-OR circuit having two AND gates each with a pair of inputs, one of the inputs of the first input pair connected to said output of said scaling unit, and an OR gate connected to be driven by said two AND gates and having a output; an RS flip-flop circuit having an S input connected to said common clearing line, an inverse output connected to the second input of the first input pair of said 2 AND-2 AND-OR circuit, and a direct output connected to one of the inputs of the second input pair of said 2 AND-2 AND-OR circuit; an AND circuit having two inputs, one of which inputs is connected to the direct output of said RS flip-flop circuit, the second being input connected to the input of said scaling unit, and an output connected to the second input of the second input pair of said 2 AND-2 AND-OR circuit; a counter unit having an input connected to the output of said AND circuit, and an output connected to the R input of said RS flip-flop circuit; a switching circuit having two inputs, one of which inputs being connected to said common clearing line, with the second input being connected to the output of the second code-to-digit converter, and outputs; a number value input unit having enabling inputs connected to said outputs of said switching circuit, and outputs one of which outputs being connected to said control inputs of said first code-to-digit converter, with the other outputs connected to the control inputs of said second code-to-digit converter.

Claim 6

An area-measuring device for measuring area of strip materials being reeled on a reeling machine, comprising a process blocking circuit means having three inputs and an output for inhibiting operation of said area-measuring device in the case of breakage of and subsequent cutting off the material being reeled on; length-meter having an output connected to one of said inputs of said process blocking circuit; strip breakage-sensing means having an output connected to the other input of said inputs of said process blocking circuit, and a second output; cutting means for cutting off the material from the roll in the case of breakage of the material being rolled up and having an output connected to the third input of said process blocking circuit, and two inputs one of which two inputs is connected to said output of said length-meter, and the second input is connected to said second output of the breakage-sensing means; a first two-position switch having an input lead and first and second position output leads, the first position output lead being connected to said output of said process blocking circuit means; a common clearing line; an intermediate memory counter having a clearing input connected to said common clearing line, a count input connected to said input lead of said first two-position switch, and outputs; a first controlled frequency divider having an output, control inputs connected by positions to said outputs of said intermediate memory counter, and a count input; an overflow blocking unit having inputs connected to said outputs of said intermediate memory counter, and an output; a reference frequency generator having an output connected to said count input of said first frequency divider; a second controlled frequency divider having plural control inputs, a count input connected to said output of said reference frequency generator, and an output; an AND circuit having an output connected to said second position output lead of said first two-position switch, and two inputs one of which is connected to said output of said overflow blocking unit, and the second one connected to said output of said reference frequency generator; plural NAND logic circuits equal in number to the number of said control inputs of said second controlled frequency divider, and each having first and second inputs and outputs connected to respective control inputs of said second controlled frequency divider; a second two-position switch having first and second position output leads, the second position output lead connected to said first inputs of each said NAND circuits, with the first position output lead being grounded; a correction input unit having outputs connected to said second inputs of each said NAND circuit; a time interval generator having an input connected to said output of said second controlled frequency divider, at least one control input and two outputs, one of which outputs serving as a clearing output; at least one setting unit having an output connected to the corresponding control input of said time interval generator; a coincidence circuit having one input connected to said output of the first controlled frequency divider, and a second input connected to said output of said time interval generator, and an output; a counter unit having an input connected to said output of said coincidence circuit, and a clearing input connected to said output of said time interval generator; a control signal generator having an input and two outputs, and comprising: a scaling unit having an input which is the input of said control signal generator and connected to said output of said length-meter, and an output; a first code-to-digit converter having control inputs and a clearing input connected to said common clearing line, an information input connected to said output of said scaling unit, and an output which serves as an output of said control signal generator and which is adapted for being connected to an actuating mechanism for stopping the reeling mechanism of the machine; a second code-to-digit converter having control inputs and a clearing input connected to said common clearing line, an information input and an output serving as an output of said control signal generator and adapted for being connected to an actuating mechanism for braking the reeling mechanism of the machine; a 2 AND-2 AND-OR circuit having two AND gates each with a pair of inputs, one of the inputs of the first input pair connected to said output of said scaling unit, and an OR gate connected to be driven by said two AND gates and having a output; an RS flip-flop circuit having an S input connected to said common clearing line, an inverse output connected to the second input of the first input pair of said 2 AND-2 AND-OR circuit, and a direct output connected to one of the inputs of the second input pair of said 2 AND-2 AND-OR circuit; an AND circuit having two inputs, one of which inputs is connected to the direct output of said RS flip-flop circuit, the second being input connected to the input of said scaling unit, and an output connected to the second input of the second input pair of said 2 AND-2 AND-OR circuit; a counter unit having an input connected to the output of said AND circuit, and an output connected to the R input of said RS flip-flop circuit; a switching circuit having two inputs, one of which inputs being connected to said common clearing line, with the second input being connected to the output of the second code-to-digit converter, and outputs; a number value input unit having enabling inputs connected to said outputs of said switching circuit, and outputs one of which outputs being connected to said control inputs of said first code-to-digit converter, with the other outputs connected to the control inputs of said second code-to-digit converter.

Claim 7

An area measuring device for measuring area of strip materials as claimed in claim 4, wherein the device for cutting off the material from the roll comprises: a level pick-up incorporating a pulse-type speed counter mounted on the shaft of the reel on which strip material is reeled, and having an output; a control unit having three inputs and three outputs, and comprising a single impulse generator having an input serving as one of the inputs of said control unit, and being connected to said output of said pulse-type speed counter, and an output serving as an output of said control unit; RS flip-flop circuit means having inputs R and S which are two other inputs of said control unit, the input R being connected to said output of said breakage-sensing element, and a direct and an inverse outputs, the inverse output being connected to one of the inputs of the process blocking circuit and serving as an information output of said cutting device for cutting off the material from the roll; a further AND logic circuit AND having two inputs one of which is connected to said input of said single impulse generator, and the second one connected to the direct output of said RS flip-flop circuit, and an output; a T flip-flop circuit having an input connected to an input of said further AND logic circuit, and a direct and an inverse outputs which serve as outputs of said control unit; a memory unit having six inputs and an output, and comprising a first AND logic circuit having a first and a second input, the first input being one of the inputs of said memory unit and connected to the direct output of said T flip-flop circuit, and an output; a second AND logic circuit having first and second inputs which serve as the other inputs of said memory unit the first input being connected to said output of said length-meter and to said second input of said AND logic circuit, with the second input connected to said inverse output of said flip-flop circuit, and an output; a third AND logic circuit having first and second inputs which are the inputs of said memory unit, the first input being connected to said direct output of said T flip-flop circuit, and an output; a fourth AND logic circuit having first and second inputs which are the inputs of said memory unit, the first input being connected to said second input of said third AND logic circuit and to said output of said single impulse generator, and an output; a first counter-register, having a count input connected to said output of said first AND logic circuit, a clearing input connected to said output of said third AND logic circuit, and outputs; a second counter-register, having a count input connected to said output of said second AND logic circuit, a clearing input connected to said output of said fourth AND logic circuit, and outputs; a comparator circuit having inputs connected to the respective outputs of said first and second counter-register, and an output which is, at the same time, the output of said memory unit and connected to said input S of said RS flip-flop circuit.

Claim 8

An area-measuring device as claimed in claim 5, further including two switching units each having inputs connected to said outputs of the respective said counter-register, and outputs; two coincidence circuits each having inputs connected to the outputs of the respective said switching unit, and an output; a control unit having two inputs one of which inputs is connected to said outputs of said coincidence circuits, and outputs adapted to be connected to actuating mechanisms for braking and stoppage of the reeling mechanism of the machine.