Winding diameter measuring and calculating device

Abstract

The utility model discloses a winding diameter measuring and calculating device which comprises a winding shaft and a reference roller G1, the winding shaft generates a winding end high-frequency pulse output signal through a servo controller, and the reference roller G1 generates a guide roller end high-frequency pulse output signal through a servo controller. High-frequency pulse output signals are jointly connected to a high-frequency isolation circuit board for signal isolation, output isolation signals are jointly connected to a PLC system for obtaining the diameter value of the winding shaft in real time, and the diameter value of the winding shaft is subjected to analog quantization through the PLC system. And inputting the generated winding shaft analog quantity voltage value to an analog quantity input module included in a BOPP production line main control system. The real-time diameter of the winding shaft can be conveniently calculated, simulation quantification is carried out, so that a main control system of the BOPP production line obtains the real-time winding diameter of the winding shaft, the winding pressure and tension value can be automatically adjusted according to the real-time winding diameter of the winding shaft, and the winding quality of products is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film winding thickness measurement, in particular to a winding coil diameter measurement and calculation device. Background Art

[0002] In order to achieve non-stop film winding and rewinding during production, BOPP production lines usually use two independent reel shafts A and B for rewinding. When formally rewinding, the empty reel core used will have an initial diameter. As the thickness of the film wound on the reel core continues to increase, the diameter of the reel core will gradually increase until the thickness of the wound finished film reaches the set rewinding requirement. Then, the double-station automatic reel change (such as changing from reel A to reel B) will be performed, and then the film will be wound on the newly replaced empty reel core. When rewinding, as the thickness of the rewinding film continues to increase, the diameter of the reel shaft will become larger and larger. If the diameter of the reel shaft cannot be measured and calculated in time, the diameter of the reel shaft will affect the automatic adjustment of the tension pressure system of the rewinding film, which will cause wrinkles or slippage in the rewinding film, affecting product quality.

[0003] In the prior art, such as the patent "A winding device with thickness measuring function" with publication number CN218973456U, this application uses a physical method to calculate the winding thickness of the coil through the relative position relationship between the rotating shaft, the winding shaft, the swing frame and the pressure roller. The measurement process will not be disturbed by other external signals, thereby ensuring the accuracy of the measurement; but there are the following defects during use: the use of a physical method to calculate the winding thickness of the coil will be affected by the relative position installation accuracy between the components, resulting in a large error in the measurement and calculation of the winding thickness of the film coil, thereby affecting the adjustment accuracy of the subsequent automatic adjustment of the tension pressure system of the winding film, and the operation application effect is poor, which needs to be improved. Utility Model Content

[0004] The utility model aims to provide a winding roll diameter measuring and calculating device, which is used to solve the problem of poor application effect of film winding roll diameter measuring and calculating operation in the prior art.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A winding roll diameter measurement and calculation device comprises a winding shaft and a reference G1 roller, wherein the winding shaft generates a high-frequency pulse output signal at the winding end through a servo controller electrically connected to the winding shaft, and the reference G1 roller generates a high-frequency pulse output signal at the guide roller end through a servo controller electrically connected to the reference G1 roller, wherein the high-frequency pulse output signal at the winding end and the high-frequency pulse output signal at the guide roller end are connected to a high-frequency isolation circuit board for signal isolation, and a high-frequency pulse output isolation signal at the winding end and a high-frequency pulse output isolation signal at the guide roller end are generated through the high-frequency isolation circuit board, the high-frequency pulse output isolation signal at the winding end and the high-frequency pulse output isolation signal at the guide roller end are connected to a program writing module included in a PLC system for real-time acquisition of a winding shaft diameter value, and the winding shaft diameter value is simulated and quantized through an analog output module included in the PLC system, and the analog output module inputs the generated winding shaft analog voltage value into an analog input module included in a BOPP production line main control system.

[0007] As a further solution of the present invention: the winding shaft includes a winding shaft A and a winding shaft B with double-station automatic roll changing, the winding shaft A generates a high-frequency pulse output signal at the winding A end through a servo controller electrically connected to it, and the winding shaft B generates a high-frequency pulse output signal at the winding B end through a servo controller electrically connected to it.

[0008] As a further solution of the utility model: the high-frequency pulse output signal at the winding A end, the high-frequency pulse output signal at the winding B end and the high-frequency pulse output signal at the guide roller end are all high-frequency voltage signals.

[0009] As a further solution of the utility model: when the high-frequency pulse output signal of the guide roller end is connected to the high-frequency isolation circuit board, the high-potential end of LHBP is electrically connected to the 1+ end of the high-frequency isolation circuit board, and the low-potential end of LHBN is electrically connected to the 1- end of the high-frequency isolation circuit board, and the high-frequency pulse output isolation signal of the guide roller end is generated through the high-frequency isolation circuit board;

[0010] When the high-frequency pulse output signal of the winding B end is connected to the high-frequency isolation circuit board, the high-potential end of LMBP is electrically connected to the 2+ end of the high-frequency isolation circuit board, and the low-potential end of LMBN is electrically connected to the 2- end of the high-frequency isolation circuit board, and the high-frequency pulse output isolation signal of the winding B end is generated through the high-frequency isolation circuit board;

[0011] When the high-frequency pulse output signal of the winding A end is connected to the high-frequency isolation circuit board, the high-potential end of LMAP is electrically connected to the 3+ end of the high-frequency isolation circuit board, and the low-potential end of LMAN is electrically connected to the 3- end of the high-frequency isolation circuit board, and the high-frequency pulse output isolation signal of the winding A end is generated through the high-frequency isolation circuit board.

[0012] As a further solution of the utility model: when the high-frequency pulse output isolation signal of the guide roller end is connected to the PLC system, the output 01 end of the high-frequency isolation circuit board is electrically connected to the input 0 end of the PLC system;

[0013] When the high-frequency pulse output isolation signal of the winding B end is connected to the PLC system, the output 02 end of the high-frequency isolation circuit board is electrically connected to the input 1 end of the PLC system;

[0014] When the high-frequency pulse output isolation signal of the winding A end is connected to the PLC system, the output 03 end of the high-frequency isolation circuit board is electrically connected to the input 2 end of the PLC system;

[0015] The analog output module included in the PLC system simulates and quantifies the value of the diameter of the winding A axis or the diameter of the winding B axis.

[0016] As a further solution of the utility model: when the PLC system is electrically connected to the analog input module of the BOPP production line main control system, the output 0 terminal of the PLC system is electrically connected to the input H04S terminal of the analog input module, and the output 1 terminal is electrically connected to the input H03S terminal of the analog input module.

[0017] The beneficial effects of the utility model are as follows: by adopting a servo controller, a high-frequency isolation circuit board and a PLC system to form an electrical system of a winding diameter measurement and calculation device, it is convenient to calculate the real-time diameter of the winding shaft through the PLC system, and simulate and quantize the diameter value through an analog output module, so that the analog voltage value of the winding shaft is input into the analog input module in the main control system of the BOPP production line, so that the main control system of the BOPP production line obtains the real-time winding diameter of the winding shaft, and according to the real-time winding diameter of the winding shaft, it can automatically adjust the winding pressure and tension values, thereby improving the winding quality of the film product. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings.

[0019] Figure 1 It is a flowchart of the utility model;

[0020] Figure 2 It is a schematic diagram of the electrical principle of the utility model;

[0021] Figure 3 This is a schematic diagram of the reference G1 roller output pulse circuit of the utility model;

[0022] Figure 4 This is a schematic diagram of the output pulse circuit of the winding A axis of the utility model;

[0023] Figure 5 It is a schematic diagram of the output pulse circuit of the winding B axis of the utility model.

[0024] In the figure: 10, winding shaft; 100, winding A shaft; 110, winding B shaft; 20, reference G1 roller; 30, servo controller; 40, high-frequency isolation circuit board; 50, PLC system; 500, program writing module; 510, analog output module; 60, BOPP production line main control system; 600, analog input module. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention; in the description of the present invention, "multiple" and "several" mean at least two, for example two, three, etc., unless otherwise clearly and specifically defined.

[0027] See also Figures 1 to 5 As shown, the utility model is a winding diameter measurement and calculation device, including a winding shaft 10 and a reference G1 roller 20, the winding shaft 10 generates a winding end high-frequency pulse output signal through a servo controller 30 electrically connected to the corresponding winding shaft 10, and the reference G1 roller 20 generates a guide roller end high-frequency pulse output signal through a servo controller 30 electrically connected to the corresponding winding shaft 10, the winding end high-frequency pulse output signal and the guide roller end high-frequency pulse output signal are connected to a high-frequency isolation circuit board 40 for signal isolation, and a winding end high-frequency pulse output isolation signal and a guide roller end high-frequency pulse output isolation signal are generated through the high-frequency isolation circuit board 40, the winding end high-frequency pulse output isolation signal and the guide roller end high-frequency pulse output isolation signal are connected to a program writing module 500 included in a PLC system 50 to obtain the diameter value of the winding shaft 10 in real time, and the diameter value of the winding shaft 10 is simulated and quantized through an analog output module 510 included in the PLC system 50, and the analog output module 510 inputs the generated analog voltage value of the winding shaft 10 into an analog input module 600 included in a BOPP production line main control system 60.

[0028] When film is produced at a certain production speed on a BOPP production line, the drive of the winding roller adopts a servo controller 30 to control the servo motor to provide power rotation torque. The servo motor is equipped with a speed encoder. The real-time rotation speed of the servo motor can be measured by the speed encoder, and the real-time rotation speed is fed back to the servo controller 30. The servo controller 30 has a high-speed pulse output function. Therefore, it can output a corresponding high-speed pulse according to the actual angular velocity of the servo motor, and then the high-speed pulse output can be used to indirectly measure the real-time diameter of the winding shaft 10.

[0029] In the process of indirectly measuring the real-time diameter of the reel 10 by high-speed pulse output, the real-time diameter calculation formula of the reel 10 is: diameter of reference G1 roller 20 * angular velocity of reference G1 roller 20 * fixed time = diameter of reel 10 * angular velocity of reel 10 * fixed time, wherein, when the reference G1 roller 20 and the reel 10 are initially reeling in the film product, the linear speeds of the reference G1 roller 20 and the reel 10 are consistent, the rotation speed and angular velocity of the reference G1 roller 20 are fixed, and the diameter of the reference G1 roller 20 is fixed. As the thickness of the film roll layer on the reel 10 increases, the real-time diameter of the reel 10 continues to increase, the linear speed of the reel 10 remains unchanged, but the angular velocity of the reel 10 will decrease. The real-time diameter of the reel 10 can be obtained by measuring the angular velocity of the reel 10 through the above calculation formula.

[0030] During the use of the measurement and calculation device of the present application, the servo controller 30 corresponding to the winding shaft 10 generates a high-frequency pulse output signal at the winding end, and the servo controller 30 corresponding to the reference G1 roller 20 generates a high-frequency pulse output signal at the guide roller end, wherein the high-frequency pulse signal output of the servo controller 30 is preset in a positive proportional relationship with the rotation speed of the servo motor, that is, the higher the rotation speed, the higher the output frequency of the high-frequency pulse signal, the high-frequency pulse output signal at the winding end and the high-frequency pulse output signal at the guide roller end are isolated by a high-frequency isolation circuit board 40, and the isolated high-frequency pulse output isolation signal at the winding end and the high-frequency pulse output isolation signal at the guide roller end are sent to the program writing module 500 in the PLC system 50, and the program writing module 500 counts the high-frequency pulse output signals at the winding end and the guide roller end per unit time. The number of pulses at the roller end, combined with the diameter value of the reference G1 roller 20, is calculated according to the real-time diameter calculation formula of the winding shaft 10: reference G1 roller 20 diameter * reference G1 roller 20 angular velocity * fixed time = winding shaft 10 diameter * winding shaft 10 angular velocity * fixed time. The real-time diameter of the winding shaft 10 can be calculated, and the diameter value is simulated and quantized through the analog output module 510, so that the analog voltage value of the winding shaft 10 is input into the analog input module 600 in the BOPP production line main control system 60, so that the BOPP production line main control system 60 obtains the real-time winding diameter of the winding shaft 10, and according to the real-time winding diameter of the winding shaft 10, the winding pressure and tension values ​​can be automatically adjusted to improve the winding quality of the film product.

[0031] In this specific embodiment, the winding shaft 10 includes a winding shaft A 100 and a winding shaft B 110 for automatic reel changing at double stations. The winding shaft A 100 generates a high-frequency pulse output signal at the winding A end through a servo controller 30 electrically connected to it, and the winding shaft B 110 generates a high-frequency pulse output signal at the winding B end through a servo controller 30 electrically connected to it. The application divides the winding shaft 10 into a winding shaft A 100 and a winding shaft B 110 that can automatically change reels at double stations, so that the real-time winding diameters of the winding shaft A 100 and the winding shaft B 110 can be obtained respectively.

[0032] In this specific embodiment, the high-frequency pulse output signal at the winding A end, the high-frequency pulse output signal at the winding B end and the high-frequency pulse output signal at the guide roller end are all high-frequency voltage signals. The high-frequency voltage signal is easy to obtain and output to ensure the stability of the signal output, thereby ensuring the accuracy of subsequent signal measurement and processing.

[0033] In this specific embodiment, when the high-frequency pulse output signal at the guide roller end is connected to the high-frequency isolation circuit board 40, the high-potential end of LHBP is electrically connected to the 1+ end of the high-frequency isolation circuit board 40, and the low-potential end of LHBN is electrically connected to the 1- end of the high-frequency isolation circuit board 40, and the high-frequency pulse output isolation signal at the guide roller end is generated through the high-frequency isolation circuit board 40; when the high-frequency pulse output signal at the winding B end is connected to the high-frequency isolation circuit board 40, the high-potential end of LMBP is electrically connected to the 2+ end of the high-frequency isolation circuit board 40, and the low-potential end of LMBN is electrically connected to the 2- end of the high-frequency isolation circuit board 40, and the high-frequency pulse output isolation signal at the winding B end is generated through the high-frequency isolation circuit board 40; when the high-frequency pulse output signal at the winding A end is connected to the high-frequency isolation circuit board 40, the high-potential end of LMAP is electrically connected to the 3+ end of the high-frequency isolation circuit board 40, and the low-potential end of LMAN is electrically connected to the 3- end of the high-frequency isolation circuit board 40, and the high-frequency pulse output isolation signal at the winding A end is generated through the high-frequency isolation circuit board 40.

[0034] During the processing of the high-frequency isolation circuit board 40, four isolation signal channels are set on the high-frequency isolation circuit board 40 to isolate the high-frequency pulse output signals generated by the winding A axis 100, the winding B axis 110 and the reference G1 roller 20 to avoid mutual interference, thereby further ensuring the stability of the signal output and further ensuring the accuracy of subsequent signal measurement processing.

[0035] In this specific embodiment, when the high-frequency pulse output isolation signal at the guide roller end is connected to the PLC system 50, the output 01 end of the high-frequency isolation circuit board 40 is electrically connected to the input 0 end of the PLC system 50; when the high-frequency pulse output isolation signal at the winding B end is connected to the PLC system 50, the output 02 end of the high-frequency isolation circuit board 40 is electrically connected to the input 1 end of the PLC system 50; when the high-frequency pulse output isolation signal at the winding A end is connected to the PLC system 50, the output 03 end of the high-frequency isolation circuit board 40 is electrically connected to the input 2 end of the PLC system 50; wherein, the analog output module 510 included in the PLC system 50 simulates and quantifies the diameter value of the winding A axis 100 or the diameter value of the winding B axis 110.

[0036] During the processing of the PLC system 50, the model of the programming module 500 is 200SMART ST30PLC, and the model of the analog output module 510 is 200SMART EMAQ02. The programming module 500 can be preset with the 200SMART ST30PLC programming module to count the number of pulses at the three pins of input 0, input 1, and input 2 in a unit time, and combine the diameter value of the reference G1 roller 20 to calculate the real-time diameter of the winding A axis 100 or the winding B axis 110, and simulate and quantize the real-time diameter value. The 200SMART EMAQ02 analog output module 510 outputs the analog voltage value corresponding to the winding A axis 100 or the winding B axis 110.

[0037] In this specific embodiment, when the PLC system 50 is electrically connected to the analog input module 600 of the BOPP production line main control system 60, the output 0 terminal of the PLC system 50 is electrically connected to the input H04S terminal of the analog input module 600, and the output 1 terminal is electrically connected to the input H03S terminal of the analog input module 600; the model of the analog input module 600 is Q68AD I, so that the analog voltage value of the winding A axis 100 or the winding B axis 110 is input to the analog input module 600 in the BOPP production line main control system 60, so that the BOPP production line main control system 60 obtains the real-time winding diameter of the winding A axis 100 or the winding B axis 110, and according to the real-time winding diameter of the winding A axis 100 or the winding B axis 110, the winding pressure and tension values ​​can be automatically adjusted to improve the winding quality of the film product.

[0038] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A winding coil diameter measurement and calculation device, characterized in that: The invention comprises a winding shaft (10) and a reference G1 roller (20), wherein the winding shaft (10) generates a winding end high-frequency pulse output signal through a servo controller (30) electrically connected thereto, and the reference G1 roller (20) generates a guide roller end high-frequency pulse output signal through a servo controller (30) electrically connected thereto, wherein the winding end high-frequency pulse output signal and the guide roller end high-frequency pulse output signal are connected to a high-frequency isolation circuit board (40) for signal isolation, and the winding end high-frequency pulse output isolation signal and the guide roller end high-frequency pulse output isolation signal are generated through the high-frequency isolation circuit board (40). The output isolation signal is output, the high-frequency pulse output isolation signal at the winding end and the high-frequency pulse output isolation signal at the guide roller end are connected to a program writing module (500) included in a PLC system (50) to obtain the diameter value of the winding shaft (10) in real time, and the diameter value of the winding shaft (10) is simulated and quantized through an analog output module (510) included in the PLC system (50), and the analog output module (510) inputs the generated analog voltage value of the winding shaft (10) into an analog input module (600) included in a main control system (60) of a BOPP production line.

2. A winding coil diameter measuring and calculating device according to claim 1, characterized in that: The winding shaft (10) comprises a winding shaft A (100) and a winding shaft B (110) for automatic roll change at double stations. The winding shaft A (100) generates a high-frequency pulse output signal at the winding shaft A end through a servo controller (30) electrically connected thereto, and the winding shaft B (110) generates a high-frequency pulse output signal at the winding shaft B end through a servo controller (30) electrically connected thereto.

3. The winding diameter measuring and calculating device according to claim 2, characterized in that: The high-frequency pulse output signal at the winding A end, the high-frequency pulse output signal at the winding B end, and the high-frequency pulse output signal at the guide roller end are all high-frequency voltage signals.

4. The winding coil diameter measuring and calculating device according to claim 3, characterized in that: When the high-frequency pulse output signal of the guide roller end is connected to the high-frequency isolation circuit board (40), the high-potential end of LHBP is electrically connected to the 1+ end of the high-frequency isolation circuit board (40), the low-potential end of LHBN is electrically connected to the 1- end of the high-frequency isolation circuit board (40), and the high-frequency pulse output isolation signal of the guide roller end is generated through the high-frequency isolation circuit board (40); When the high-frequency pulse output signal of the winding B end is connected to the high-frequency isolation circuit board (40), the high-potential end of LMBP is electrically connected to the 2+ end of the high-frequency isolation circuit board (40), and the low-potential end of LMBN is electrically connected to the 2- end of the high-frequency isolation circuit board (40), and the high-frequency pulse output isolation signal of the winding B end is generated through the high-frequency isolation circuit board (40); When the high-frequency pulse output signal of the winding A end is connected to the high-frequency isolation circuit board (40), the high-potential end of LMAP is electrically connected to the 3+ end of the high-frequency isolation circuit board (40), and the low-potential end of LMAN is electrically connected to the 3- end of the high-frequency isolation circuit board (40), and the high-frequency pulse output isolation signal of the winding A end is generated through the high-frequency isolation circuit board (40).

5. The winding coil diameter measuring and calculating device according to claim 4, characterized in that: When the high-frequency pulse output isolation signal of the guide roller end is connected to the PLC system (50), the output 01 end of the high-frequency isolation circuit board (40) is electrically connected to the input 0 end of the PLC system (50); When the high-frequency pulse output isolation signal of the winding B end is connected to the PLC system (50), the output 02 end of the high-frequency isolation circuit board (40) is electrically connected to the input 1 end of the PLC system (50); When the high-frequency pulse output isolation signal of the winding A end is connected to the PLC system (50), the output 03 end of the high-frequency isolation circuit board (40) is electrically connected to the input 2 end of the PLC system (50); The analog output module (510) included in the PLC system (50) performs analog quantization on the diameter of the winding A shaft (100) or the diameter of the winding B shaft (110).

6. A winding coil diameter measuring and calculating device according to claim 5, characterized in that: When the PLC system (50) is electrically connected to the analog input module (600) of the BOPP production line main control system (60), the output 0 terminal of the PLC system (50) is electrically connected to the input H04S terminal of the analog input module (600), and the output 1 terminal is electrically connected to the input H03S terminal of the analog input module (600).

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