RU1784418C - Method and device for making outer sheathing for roofing panels with warmth-keeping lagging - Google Patents

Abstract

Usage: the invention relates to the production of building materials, in particular the production of three-layer panels with insulation for fencing structures of buildings and structures, and can be used for the manufacture of external cladding of roofing panels as finished structural elements of these panels, without additional mechanical processing The essence of the original continuously moving the strip, including its front end, is perforated before forming into a bent profile in the area of the side walls of the skin of the holes with constant step, extruding thus locks for subsequent bonding outer and inner casings during assembly of panels was measured by punching steps and their deviation from the norm is produced m pitch correction to eliminate variations arising. This makes it possible to expand the technological capabilities of 2 s tails 1 silt. (L C

Description

The proposed method relates to the production of building materials, in particular, to the production of three-layer panels with insulation for fencing walls and roofs of buildings and structures, and can be used for the manufacture of exterior cladding of roof panels as complete structural elements of panels without additional mechanical processing.

- The outer skin of the roof panels is a perforated curved profile with a complex cross section.

A known method of manufacturing bent profiles, which consists in perforating the initial strip billet on a press with inter-operative movement of the billet to the feeding step, profiling the billet on the forming mill and cutting the perforated profiled billet into measured length sections

The disadvantage of this method is its low productivity, the inability to ensure the manufacture of cladding as a finished product for prefabricated structures of roof panels with insulation due to the instability of the cutting line

Closest to the proposed (prototype) is a method of manufacturing an outer skin for roof panels with insulation, which consists in perforating the original strip blanks

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a press with inter-operative movement of the workpiece to the feed step, profiling a continuously moving workpiece on a forming mill and cutting a perforated profiled workpiece into sections of measured length, taking into account the location of the holes on the automatic flying press 2. .. P, I. ;

The disadvantage of this method (prototype) is its limited technical capabilities due to the step-by-step supply of the initial blank for perforation, besides with the possibility of deviations from the given steps, due to the absence of locks in the skin for the subsequent mechanized assembly of roofing panels, and also because of the low accuracy of cutting the workpiece into sections of measured length, due to the accumulation of errors in the measurement of the cut parts of the workpiece.

The aim of the proposed method is to expand its technological capabilities.

This is achieved due to the fact that the punching process is carried out with continuous movement of the workpiece, while the perforation is performed and the petals for the locks are bent. In the process of moving the workpiece, the feed pitch is measured, the actual step is compared with the set one, and if they differ, correction of the feed amount, and the length of the cut part of the workpieces is measured by the number of feed steps. ",, ..

A known device for the manufacture of external cladding for roofing panels with insulation includes a molding mill installed in technological sequence, measuring rollers with a pulse sensor and a detachable flying press with a control unit, to the first input of which a mm-pulsed measuring rollers sensor is electrically connected.

In order to expand its technological capabilities, the device is equipped with second measuring rollers with a second impulse sensor, a first metal presence sensor, a perforated volatile press with a control unit, which is connected to the first input in series with the second metering rollers installed in series in front of the molding machine. a second pulse sensor, a perforation hole sensor and a second metal presence sensor installed between the first measuring rollers and the cutting volatile press, and also sequentially with the first I-link, the first input of which is connected to the second pulse of the sensor, the second input - to the direct output of the first

the metal presence sensor, the first counter, the second input of which is connected to the inverse output of the first metal presence sensor, the first link of matches,

whose inverse output is connected to the third input of the first AND link, the direct output is to the second input of the control unit of the perforating volatile press, and the first length adjuster connected to

the second input of the first link of matches, and

Also, with the sensor and the length, the first and second single vibrators connected in series with the second counter, the second input is connected to the counting input

pulse sensor, a second length adjuster is connected to the second D-input, and the output of the perforating volatile control unit is connected to the third C-input through the first one-shot with a delay

a press, a memory register, to the control input of which the output of the control unit of a perforating volatile press is connected through a second one-shot, a second AND link, whose input is connected to the numerical output of the memory register, and the second input - to the direct output of the first metal presence sensor, and an adder, to the second input of which a second length adjuster is connected, and to the third input, the sign

memory register output / a output connected to the third input of the control unit for a perforating volatile press, as well as the third and fourth length adjusters, connected in series with the third

the And link, whose first input is connected to the direct output of the second metal presence sensor, the second coincidence link, the second input of which is connected to the third length adjuster, and the inverse output to the third input of the third And link, the fourth And link, the second input of which is connected to the sensor output perforations, a fourth counter, the second input of which is connected to the fourth length adjuster, by a null organ and the first OR link, the second input of which is connected to the inverse output of the second metal presence sensor, and the output one to the third input of the fourth counter, and, in addition, the fifth and sixth length adjusters connected in series with the third coincidence link, the first input of which is connected to the output of the fourth counter, and the second input to the fifth length adjuster, and

the first trigger, the second input of which is connected to the output of the control unit of the detachable volatile press, and the output is connected to the first input of the fourth link And, and the sixth switch is connected to the second input of the control unit of the detachable volatile press.

The drawing shows a functional diagram of a device for the manufacture of outer skin for roof panels with insulation, where the following notation is accepted.

The initial metal strip 1 is unwound from the roll 2 and the transport device 3 moves to the measuring rollers 4 and the metal presence sensor 5. A pulse sensor 6 is attached to the measuring rollers 5. Next, the strip 1 moves to the perforating flying press 7, the punch and the matrix of which are previously separated. The flying press has a control unit 8, which includes a longitudinal drive 9 with a control unit 10 and a punch drive 11 with a control unit 12. An impulse sensor 13, a limit switch 14, and an initial position sensor 15 are attached to the actuator 9.

The upper and lower positions of the matrices, the flying press 7 are controlled by sensors. Accordingly, 16 and 17. The sensor 15 is connected via the controller 18 of the initial position and the controlled key 19 to the input back of the control unit 10. A constant signal source 21 is connected to the same input through the controlled key 20 Back.

To the front input of block 10 are connected via a controlled key 22 series-connected digital-to-analog parabolic converter 23 and adder 24 with a unipolar output. A pulse sensor b is connected to the second input of the latter via a frequency-voltage converter 25. The input of the digital-analog parabolic converter 23 is connected to the input of the null-organ 26, which is connected in series with the delay links And 27 28, a trigger 29, the first and second outputs of which are connected respectively, with the first and second inputs of the control unit 12 of the drive 11 of the cutting elements of the volatile press 7, the Second-input link And 27 is connected to the control input of the key 22 and the output of the trigger 30. The key control input is connected to the output m of the trigger 31 and with the input of the delay link 32, the output of which is connected to the S-input of the trigger 30, the S-input of the trigger 31 is connected to the R-inputs of the triggers 33 and 34 and with the limit switch 14, the R-input of the trigger 31 is also connected to trigger 30 output. Control input of key 20 is connected to trigger 33 output. S-input of the latter is connected to trigger input R 30 and to link output 35 I. The first input of the latter is connected to trigger output 34 and to trigger input 29, and the second the input is connected to the sensor 16, the S-input of the trigger 34 is connected to the sensor 17.

The output of the digital integrator 36 is connected to the inputs of the parabolic transducer 23 and the null organ 26. The first and second counting inputs of the latter are connected via the links 37 and 38 AND to the output of the co-ownership link 39. The second input of the 37 AND link is connected to the pulse sensor 13, and the second input of the AND link 38 to pulse transmitter 6

The third C-input of the digital integrator 36 is connected to the output of the link 35 I. The fourth D-input of the digital integrator 36 is connected to the output of the adder 40 with the length adjuster 41. The first input of the coincidence link 39 is connected to a length setter 42. The output of the counter 43 is connected to the second input of the coincidence link 39, the first input of which is connected to the pulse sensor 6 through the And 44 link, and the second input to the inverse output of the metal presence sensor 5 The direct output of the metal presence sensor 5 is connected to the second input of the And 44 link and to the third input is the inverse output of the link 39 matches

The initial position sensor 15 consists of serially connected sync-sensor 45 and sync-transformer 46

To the second numerical input of the adder 40 is connected the numerical output of the memory register 47 via an AND 48 link, to the second input of which is connected the direct output of the metal presence sensor 5.

The initial position of the axis of the perforating elements (punches and dies) of the volatile hpecca 7 is indicated by digital 50, the axis of the metal sensor 5 is 51, and the axis of perforation in the strip is 1-52. By molding mill 53, strip 1 is continuously formed into a bent profile 54 with perforated side walls and moves through metering rollers 55 with a pulse sensor 56 to the cutting fly press 57 The cutting fly press 57 has a control unit 58 that is similar in composition and connection to the control unit 8. The only difference is that a length adjuster 59 is connected to the third D-input of the digital integrator 36, and the first and second inputs of the digital integrator 36 are connected via links 14 37 and 38 to the trigger 60.

The axis of the home position of the fly press 57 is indicated by digital 61.

Between the axis 61 and the metering rollers 55 there is a sensor 62 for the presence of metal, and between the molding mill 53 and the flying press 7 there is a sensor 63 of perforations

The direct output of the latter is connected to the counting input of the counter 64 through the AND link 65. The reset input of the counter 64 is connected to the inverted output of the metal sensor 62. The output of the counter 64 is connected to the first input of the link 66 matches, to the second input of which is connected

67 length equal to the distance between the axis

68 settings of the sensor 62 And the axis 61 of the initial position of the detachable flying press 57 The inverse output of the link 66 matches connected to the third input of the link And 65, and the direct output of the link 66 is connected to the input of the link And 69. Through the first input of the last to the counting input of the counter 70 is connected sensor 63 perforations, its direct exit.

A length adjuster 71 is connected to the information D-input of the counter 70, a control C-input is connected to the inverse output of the metal presence sensor 62 through the OR link 72. The output of the counter 70 is connected to the null-orthan 73 and to the coincidence link 74, to the second input of which a length knob 75 is connected mechanically connected to the length knob 59. The output of the Zero-organ 73 is also connected to the C-input of the counter 70 through the second input of the OR link 72. The output of the coincidence link 74 is connected to the S-input of the trigger 60, and the R-input of which is connected to the output of the 35 And link of the control unit 58. A pulse sensor 6 is connected to the counting input of the subtracting counters 76. A length adjuster 41 is connected to the second, D-input of the counter 76, and the output of the control unit 8 is connected via a one-shot 79 with a delay to the third, C-input. The numerical and sign outputs of the counter 76 are connected to the first and second information inputs of the memory register 47, and to the control. The C input of the latter is connected through a single vibrator 80 to the output of the control unit 8.

The operation of the device is as follows.

The initial metal strip 1 is unwound from the roll 2 and transported to the perforating flying press 7 by the transport device 3. The last on the strip 1 in the area of the side walls of the bent profile 54 are a constant-pitch perforation holes are eliminated in the panels of the cold bridges and simultaneously the locks are pulled out for subsequent adhesion of the outer and inner skin during assembly of the panels. Then, the perforated Strip 1 is formed continuously by the molding mill 53 into a bent profile 54 and ffepeMeujaef c to a cutting flying press 57 to cut the bent profile 54 into

required measured lengths. In this case, cutting into measured lengths is carried out along the axis of the interperforation gaps, which, as mentioned above, are applied to

strip 1 with a constant-pressure flying press 7 For this purpose, the flying press 7 is controlled as follows:

The initial position 50 of the flying press 7 is set with the key

19, connecting to the rear input of block 10 a controller 18 with a sensor 15, which receives a feedback signal on the position of the volatile press 7. other than zero when the latter deviates from the initial position

fifty.

To adjust the initial position 50 of the flying press 7, a sync transformer 46 of the initial position sensor 15 is used. By turning the transformer 46, it is possible to change the position of the sync sensor 45 and, accordingly, the axis 50 of the initial position, at which the output signal of the sensor 15 becomes zero.

When the front end of strip 1 approaches the metal presence sensor 5, the latter is triggered and a signal is sent to the input of the I 44 link from its direct output. At the same time, the And 44 link starts to pass the sensor pulses

6 to the counting input of counter 43, since there is a signal from the inverse output of link 39 matches at the third input of link And 44, Counter 43 counts the pulses of sensor 6. the number of which corresponds to the path

lane movement 1.

After moving the transitional end of the strip 1 from the sensor 5 to the flying press 7 at a distance U:

40

Ln-UHV2.

(D

which is regulated by the master

42 lengths at the input of the link 39 matches,

the latter works because the output of counter 43 is equalized with the signal

setter 42.

In equation (1):

L-51 is the distance between the axes 51 and 50;

C is the distance on the strip 1 between adjacent axes of the perforation fields 52 made by a stamp of a volatile press 7; the distance C, in addition, is regulated by the length adjuster 41 at the input of the adder 40

When the link 39 matches at its inverse output, the signal disappears, but appears directly. When the signal disappears at the inverse output of the link 39, the And link 44 closes, they do not pass through it to the counting input of the counter 43

pulses of the sensor 6, the output change of the counter 43 is stopped, and the link 39 remains in the on state

The signal from the direct output of the link 39 opens the links 37 and 38 And of the control unit 8 and the counting pulses of the sensors 6 and 13 are allowed to the digital integrator 36. The last one, by counting the pulses of the sensor b, controls the movement of the first perforation field located on the front end of the strip 1, and its axis 52 to the flying press At the moment of opening the links 37 and 38 And, or at the moment the link 39 matches, the aforementioned axis of the perforation field 52 is located at a distance from the axis 50 of the initial position of the flying press 7, i.e. when the front end of the strip 1 is moved a distance (1) from the axis 51, the first axis, the perforation field 52 in the strip 1 will be at a distance LH from the axis 50. As a result, the strip 1 is fully utilized without waste of the front end to the trim. When the impulses of the sensor 6 are received by the digital integrator 36, the number c corresponding to the cyclic distances in the strip 1 between adjacent perforation fields cyclically superimposed by the perforating volatile press 7 is written off at its output as initial conditions.

As the number Lu is written off in the digital integrator 36, its output signal decreases, which corresponds to the approximation of the axis of the perforation field 52 in strip 1 to the initial position 50 of the axis of the perforating elements of the volatile press 7

As long as the signal at the output of the integrator 36, corrected to optimize the moment the volatile press 7 is turned on by the parabolic transducer 23, exceeds the signal of the opposite sign of the frequency transformer 25, the voltage proportional to the speed V of the strip 1 at the input of the adder 24 with an unipolar output, the output signal of the latter is zero. When the next axis of the perforation field 52 in strip 1 approaches axis 50, or the output of the digital integrator 36 decreases so that the output signal of the parabolic transducer 23 becomes smaller than the speed signal V at the input of adder 24, a signal appears at the output of the latter and at the front input of the block 10 with the key 22 on,

After the occurrence of a signal at the forward control input of block 10, the actuator 9 starts to move the flying press 7 along the strip 1.

the integrator 36 receives pulses of the sensor 13, the number of which is proportional to the current movement of the volatile press 7 from the initial position 50, and takes into account the removal of the press 7 from the axis of the perforation field 52 in the strip 1.

When the signal at the output of the digital integrator 36 becomes zero (because when accelerating the press 7 receipt

0 pulses from the sensor 6 to the input - they occur with a higher frequency than the input pulses to the input + from the sensor 13), only the speed signal of the strip V passes through the adder 24, which corresponds to the combination of the axis 50 of press 7 with the axis 52 on lane 1 and their synchronous movement In this case, the null-organ 26 is triggered and through the link 27 And with a time delay determined by the link 28 of the delay, the trigger 29

0 The time delay of the link 28 is necessary to end the transient synchronization processes in speed and in the position of the flying press 7 with the strip 1 when combining the axis 50 of the press 7 and the axis of the perforation field 52

5 on lane 1

When the trigger 29 is turned on, a signal is input to the Down input of the control unit 12 of the drive 11 of the punched die of the press 7, the punches of the die are lowered onto strip 1 and

0 the holes are cut out and the locks extruded. When the punches of the press die 7 are lowered, the sensor 17 is activated, the trigger 34 is turned on and the trigger 29 is turned off. From the inverse output of the last 5, a signal is sent to the input Up of block 12 and the drive 11 of the punches of the press 7 return to their original upper position. In this case, the sensor 16 is activated and through the link 35 And when the trigger 34 is turned on, it turns on

0 trigger 33 and the trigger 30 is turned off. In this case, the key 22 is turned off and the adder 24 is disconnected from the front input of the control unit 10. the reference signal of speed V is taken.

5 At the same time, the key 20 is turned on and connected to the control input back of the block 10. - the source 21 is connected. The actuator 9 is reversed, and the flying press 7 moves to the initial position 50. When approaching

0 press 7 to the axis 50, the path switch 14 is activated, the triggers 33 and 34, the key 20 are turned off, and the trigger 31 is turned off 19. The controller 18 is connected last to the control input 10 of the block 10 with the sensor 15 of the initial position, by which the axis of the press 7 is aligned with the axis 50 the initial position Then, with a delay of time of the link 32, the trigger 30 and the key 22 are again turned on, to which the sum is again connected to the Forward input of the control unit 10

torus 24, that is, drive control unit 10 is prepared for a new cycle of perforating and extruding locks along the next axis perforation field 50

Each new cycle of perforation of the strip 1 by the volatile press 7 is regulated by the cyclic operation of the digital integrator 36. To the D-input of the integrator 36 is connected a length adjuster 41, the output code of which, recorded in each cycle to the integrator 36, is the number of pulses of the sensor 6, which is located the length of one perforation field of strip 1, the setter code 41, written in the integrator 36, is written off in each perforation cycle by the pulses of the sensor 6. Thus, each cycle of moving the strip 1 by the length c corresponds to zeroing out digitally the integrator 36 according to the signals of the pulse sensor 6 attached by the measuring roller 4. Each time the integrator 36 is zeroed, the above-described control events of the drive 9 are repeated to complete the next cycle of perforation of the strip 1 and extrude the locks for the subsequent clutch sheathing. The perforations imposed by the flying press 7 on the strip 1 are carried out using circuit units consisting of links 40, 47, 48, 76-80. When the stamp of the punching volatile press 7 is triggered, that is, the next floor of the punching holes is superimposed, the trigger 34 of the control unit 8 is turned on, and by its signal with a single vibrator 80, an impulse is generated to overwrite the contents of counter 76 (output number code and its sign) in memory register 47, and with a one-shot 79, with a certain delay in time, a pulse is generated into the counter 76 of the code of the setter 41 of the lengths By pulses of the sensor 6 arriving at the subtracting input of the counter 76, the code of the setter 41 entered into it is written off. but higher setpoint code length of 41 LU is proportional to the distance on the strip 1 between adjacent axes of the perforations fields

With the new operation of the stamp of the flying press 7, the above operations are repeated with the current code 76 being written to the register 47 and the length code 1C written to the counter 76. If the actual distance I between the perforation fields is exactly equal to the required C, then

I L4

then the number entered in counter 76 will be fully described on the numerical output

76 there is a null code If the distance I is less than or greater than C, then I C, or,

then at the digital output of the counter 76 there will be a difference code (H-c). and at the sign output, the sign code in the first case and the sign code in the second case. Thus, at the digital output of the counter 76

a deviation code of 51 1-C valid 1 distances I between adjacent perforation fields from the required 1c is generated.

As shown above, the code d from the counter 76 is written into the memory register 47 with the corresponding sign, and from the output of the register 47 it is supplied to the adder 40 to adjust the specified distance C between the axes of adjacent perforation fields and compensate for the deviation dl.

That is, at the output of the adder 40, an algebraic sum code (c) is generated, which is supplied to the counter 36 of the control unit 8 and introduced into it as initial conditions, as described above.

At the next punching cycle, the resulting deviation 5l is compensated, and error accumulation is excluded and / ir is transmitted along the strip I of the punching fields. This increases the accuracy of the manufacture of skins. ,

With the molding mill 53, the initial perforated strip 1 transforms the curved profile 54 with the perforated side stands and moves to the metering rollers 55 and then to the cutting fly press 57 to divide the curved profile into measured skin.

In order for the first cut to be measured, a metal presence sensor 62 is installed,

placed in front of the flying press 57 (axis 68) at a distance from the axis of its initial position 61

 When the sensor 62 is activated, the 65 And link opens and passes the signals of the sensor 63 of the perforation holes to the counter input of the counter 64. When the counter 64 accumulates the number of Holes located on the length, a .66 coincidence link is triggered to the second input of which is connected an adjuster 67 of length Lni (the number of perforations on the length Lni). When the link 66 is activated, the signal at its inverse output and at the third input of the And link 65 disappears, which at the same time blocks the signal transmission channel of the sensor 63 to the counter input of the counter 64. The counter 64 stops counting, and the coincidence link 66 remains in the on state

This state of the link 66 corresponds to the displacement of the front end of the bent profile 54 to the axis 61 of the initial position of the detachable flying press 57.

The signal from the direct output of the link 66 opens the And 69 link and the channel for passing the signals of the sensor 63 of the perforation holes to the counting input of the subtracting counter 70. Previously, the number of perforation holes pi placed on the measured length of the lining LM was introduced from the length meter 71. pm LM / LQ. where and is the distance between the axes of adjacent perforations.

As the bent profile 54 advances, the number pm in the counter 70 is written off by the signals of the sensor 63. When the number pm is written off to zero, the zero-organ 73 is triggered and sends a pulse to C - the input of the counter 70 to enter new initial conditions - the number pm pm i.e. the counter 70 operates in a cyclic mode, measuring the measured length LM of the sheaths specified by the adjuster 71 by the number of perforation holes pm located on the length LM. This eliminates the accumulation of errors in measuring the length of the LM and the displacement of the cutting line. When the number in counter 70 drops to PL

Щ Пм-Пр,

where pr is the movement of the bent profile 54, expressed by the number of interperforations, during the acceleration of the volatile press 57 to the speed V of the bent profile 54.

The coincidence link 74 is triggered, since a signal m of the length setter 75 is present at its second input. At the signal of link 74, the trigger 60 is turned on, and its output signal opens the links 37 and 38 And of the control unit 58, allowing the sensor signals 13 and 56 to be received at the counting inputs + of the digital integrator 36, respectively.

The operation of the digital integrator 36 of the control unit 58 of the detachable flying press 57, as well as the entire unit 58, is similar to the control unit 8 of the perforating volatile press 7. When the flying press 57 is stopped, only pulses from the sensor 56 of the measuring rollers 55 are received to the input of the digital integrator 36, the number of which is proportional paths of movement of the bent profile 54. In the digital integrator 36 previously (and as the initial conditions) by the signal from the output of the link And 35 is entered by the number LI, from the length adjuster 59, mechanically connected to the sensor 75 through a red A factor that changes the scale of the number ri (2X since the master 75 expresses the path LI by the number of perforation gaps u, and the digital integrator 36 accumulates the pulses of the sensors 56 and 13 using 5, then using the master 59 the number ni at the input of the integrator 36 is expressed by the number Li in discrete sensors 56 and 13

Sensor pulses 56 coming

0 to the input of the digital integrator 36 of the control unit 58, the introduction of the number LI into it is written off. The decrease in the Li number corresponds to the approach to the axis 61 of the initial position of the detachable flying press 57 of the measuring line of the bent profile 54. The inclusion of the flying press 57 to cut off the bending profile 54 of the sheathing is similar to turning on the perforating volatile fipecca 7 to perform the next operation of perforating strip 1, described above. Then, the cut-off cycles of the measured skin are cyclically repeated in the same way as described above, respectively, the cyclic operation of the counter

5 70. Zeroing the counter 70 coincides in time with the alignment of the cut line on the bent profile 54 and the axis of the cutting elements of the flying press 57 and their synchronous movement immediately before execution

0 cutting operations. The same operation corresponds to fixing on the bent profile 54 of the next cutting line relative to the ESI 61 of the initial position of the flying press 57. And the current output code of the counter 70 corresponds to the current movement of the cutting line from its original position to the axis 61 of the initial position of the press 57 during the movement of the bent profile 54 Thanks fixing the approximation of the cut line on

0 profile 54 to the flying press 57 using the sensor 63 of the perforations ensures accurate determination of the location of the cutting line relative to the axis 61, since the sensor 63

5 captures the movement of the bent profile 54 without slipping. This also eliminates the accumulation of error from the cycle to the cycle of cutting the skin and a gradual relative shift of the line

0 cut relative to the perforations on the bent profile 54, i.e. deterioration in the quality of the manufacture of skin.

Thus, the production of external cladding as finished parts for prefabricated structures of roofing panels is provided, including the first cladding, with the possibility of mechanized assembly of panels.

Claims (2)

1. A method of manufacturing external cladding for roofing panels with insulation, which consists in perforating the initial strip billet on a press with inter-operative movement of the billet as a feed step, profiling a continuously moving aafotuB KH on a forming mill and cutting perforated profiled billet into sections of measured length taking into account the location of the holes on an automatic flying press, characterized in that, in order to expand technological capabilities, the perforation process is carried out with continuous movement and the workpieces, simultaneously with the punching, the petals for the locks are cut and folded, during the movement of the workpiece, the feed step is measured, the actual step is compared with the set step, and if they differ, the feed correction is performed, and the length of the cut part and the workpieces is measured by the number of feed steps. 2. A device for the manufacture of external cladding for roofing panels with insulation, comprising a molding mill installed in technological sequence, measuring rollers with a pulse sensor and a segment of a flying press With a control unit, to the first input of which a pulse sensor of measuring rollers is electrically connected, which is different that, in order to expand technological capabilities, the device is equipped with second measuring rollers with a second and sequentially installed in front of the molding mill a pulse sensor, a first metal presence sensor, a perforating volatile press with a control unit, to the first input of which a second pulse sensor is connected, a perforation sensor and a second metal presence sensor installed between the first measuring rollers and the cutting volatile press, and also connected in series with the first And link, the first input of which is connected to the second pulse sensor, the second input to the direct output of the first metal presence sensor, the first counter, the second input of which is connected to the inverse output of the first metal presence sensor, the first counter, the second input of which is connected to the inverse output of the first metal presence sensor, the first link of matches, whose inverse output is connected to the third input of the first link And, the direct output is to the second input of the control unit of the perforating volatile press, and the first length adjuster connected to the second input of the first coincidence link, as well as the second length adjuster, the first and second single vibrators connected in series a second counter, to the counting input of which a second pulse sensor is connected, a second length adjuster is connected to the second D-input, and the output of nodes is connected to the third C-input through the first one-shot with a delay and control of the punch volatile press by the memory register, to the control input of which is connected via the second one-shot output of the control unit of the punch volatile press, the second the And link, the input of which is connected to the numerical output of the memory register, and the second input to the direct output of the first metal presence sensor, and the adder, to the second input of which a second length adjuster is connected, and to the third input is the sign output of the memory register, and the output is connected to the third input of the control unit of the perforating volatile press, as well as the third and fourth length adjusters, connected in series by the third link 1/1, the first input of which is connected to the direct output of the second metal presence sensor, the second coincidence link, the second input of which is connected to the third length adjuster, and the inverse output to the third input of the third AND link, the fourth AND link the second input of which is connected to the output of the sensor of the perforations, the fourth counter, the second the input of which is connected to the fourth length adjuster, a zero-organ and the first OR link, the second input of which is connected to the inverse output of the second metal presence sensor, and the output to the third input of the fourth counter, and also the fifth and sixth length adjusters, connected in series by the third a coincidence link, the first input of which is connected to the output of the fourth counter, and the second input to the fifth knob of length, and the first trigger, the second input of which is connected to the output of the control unit of the cutting volatile press, and you od - to the first input of the fourth level and, with the sixth the adjuster is connected to the second input of the control unit of the cutting volatile press. at N % csi