CN215030183U - Electrostatic oiling machine for online closed-loop control of oil film thickness - Google Patents
Electrostatic oiling machine for online closed-loop control of oil film thickness Download PDFInfo
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- CN215030183U CN215030183U CN202121419959.0U CN202121419959U CN215030183U CN 215030183 U CN215030183 U CN 215030183U CN 202121419959 U CN202121419959 U CN 202121419959U CN 215030183 U CN215030183 U CN 215030183U
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- 238000001914 filtration Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
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- 230000003068 static effect Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
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- 238000004140 cleaning Methods 0.000 description 1
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- 238000005260 corrosion Methods 0.000 description 1
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Abstract
The utility model relates to an electrostatic oiling machine for online closed-loop control of oil film thickness, including scribbling grease chamber, oil feeding system, still include: the oil film detection system is arranged at the output end of the oil coating chamber and is used for detecting the thickness of an oil film on the surface of the plate; and the control system is electrically connected with the oil film detection system and the oil supply system, and can adjust the oil supply amount of the oil supply system according to the thickness value of the oil film on the surface of the plate detected by the oil film detection system so that the thickness of the oil film on the surface of the plate at the output end of the oiling chamber reaches a preset value. The oil film detection system monitors the thickness of the surface oil film of the output plate in real time, and the control system adjusts the oil supply amount of the oil supply system in real time according to the actual value of the thickness of the surface oil film of the plate, so that the thickness of the surface oil film of the finally output plate reaches a preset value, the thickness of the surface oil film of the formed plate and the thickness uniformity of the oil film are met, the surface quality of the plate after stretch forming is improved, and the service life of the plate is effectively prolonged.
Description
Technical Field
The utility model belongs to the technical field of the panel fat liquoring, concretely relates to static oiling machine for online closed-loop control of oil film thickness.
Background
The electrostatic oiling machine is a key device for coating the rust-proof medium on the surface of steel products in high quality to prevent corrosion. The device quickly atomizes oil flowing out of the gap between the cutting edges of the knife beam by the influence of a high-voltage electrostatic field and point discharge, and the oil is adsorbed on the surface of steel to form a uniform oil film so as to achieve the aim of rust prevention. Compared with a roller-type oiling machine, the electrostatic oiling machine has the advantages of more uniform oiling, more oil saving and higher production efficiency. But the oiling amount fluctuates due to the influence of different factors under complicated working conditions on site.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned part or whole problem, the utility model provides an electrostatic oiling machine for online closed-loop control of oil film thickness to the actual measurement value of oil film thickness is the foundation, realizes oil film thickness's closed-loop control, has effectively guaranteed oil film thickness's size and homogeneity, and then has promoted panel surface quality.
The utility model provides an electrostatic oiling machine for online closed-loop control of oil film thickness, including scribbling grease chamber, oil feeding system, still include: the oil film detection system is arranged at the output end of the oil coating chamber and is used for detecting the thickness of an oil film on the surface of the plate; and the control system is electrically connected with the oil film detection system and the oil supply system, and can adjust the oil supply amount of the oil supply system according to the thickness value of the oil film on the surface of the plate detected by the oil film detection system so as to enable the thickness of the surface oil film of the plate at the output end of the oiling chamber to reach a preset value.
And the speed measuring system is electrically connected with the oil supply system and is used for detecting the plate transmission speed and the plate width, calculating the required oil coating information by combining with the preset oil film thickness value and sending the oil coating information to the oil supply system.
Further, the control system comprises a comparison unit electrically connected with the oil film detection system, and a data input unit electrically connected with the comparison unit, wherein the data input unit is used for inputting the preset oil film thickness value; and the comparison unit is used for comparing and calculating the system variation needing to be adjusted according to the preset oil film thickness value and the oil film thickness value on the surface of the plate.
Furthermore, the control system comprises a driving unit electrically connected with the comparison unit and a hydraulic control unit electrically connected with the driving unit and the oil supply system, wherein the comparison unit can transmit the system variation needing to be adjusted obtained by comparison to the driving unit so as to act on the hydraulic control unit to adjust the oil supply amount of the oil supply system.
Further, the drive unit is servo driver, the hydraulic control unit include with servo driver electricity is connected and be used for controlling the measuring pump of oil feeding system oil supply and control the motor of measuring pump rotational speed.
Furthermore, the control system also comprises a data storage unit electrically connected with the data input unit and used for storing the preset plate oil film thickness value and the corresponding rotating speed of the metering pump, and the corresponding rotating speed of the metering pump can be called when the preset plate oil film thickness value is input by the data input unit.
Further, the atomizing system is electrically connected with the oil supply system and can atomize the oil provided by the oil supply system into atomized oil.
Further, the device also comprises a high-voltage power supply system electrically connected with the oiling chamber, and the high-voltage power supply system can charge the atomized oil to form negatively charged atomized oil and enable the negatively charged atomized oil to be adsorbed on the surface of the plate.
Further, the oil film detection system is single-point scanning type detection or full-coverage type detection.
The oil film detection device comprises a data input unit and an oil film detection unit, wherein the data input unit is used for inputting data graphs of different plates, and the filtering processing unit can perform filtering processing according to the data graphs to adjust the thickness of the detected oil film.
The utility model discloses an electrostatic oiling machine for online closed-loop control of oil film thickness, panel passes through from the fat liquoring room, oil feeding system provides quantitative rust-resistant oil spraying to the panel surface, through the surface oil film thickness that sets up oil film detecting system real-time supervision output panel at fat liquoring room output, control system adjusts oil feeding quantity of oil feeding system in real time according to panel surface oil film thickness actual value, make the panel surface oil film thickness of final output reach the default, and then satisfy the homogeneity of shaping panel surface oil film thickness size and oil film thickness, and then promote the panel surface quality behind the stretch forming, the life of panel has effectively been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an electrostatic oiling machine for online closed-loop control of oil film thickness according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the control system shown in fig. 1.
Description of reference numerals: the device comprises an oil coating chamber 1, an oil supply system 2, an oil film detection system 3, a control system 4, a comparison unit 401, a data input unit 402, a driving unit 403, a hydraulic control unit 404, a metering pump 441, a motor 442, a data storage unit 405, a filtering processing unit 406, a high-voltage power supply system 5 and a sewage discharge unit 6.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 2, the present embodiment provides an electrostatic oiler for online closed-loop control of oil film thickness, which includes an oiling chamber 1, an oil supply system 2, and further includes: the oil film detection system 3 is arranged at the output end of the oil coating chamber 1 and is used for detecting the thickness of an oil film on the surface of the plate; and the control system 4 is electrically connected with the oil film detection system 3 and the oil supply system 2, and can adjust the oil supply amount of the oil supply system 2 according to the thickness value of the oil film on the surface of the plate detected by the oil film detection system 3, so that the thickness of the oil film on the surface of the plate at the output end of the oil coating chamber 1 reaches a preset value.
The utility model provides an electrostatic oiling machine for online closed-loop control of oil film thickness, panel passes through from fat liquoring room 1, oil feeding system 2 coats the even oil film of panel surface formation with rust-resistant medium high-quality, in order to prevent the panel corruption, through set up the surface oil film thickness of 3 real-time supervision output panels of oil film detecting system at 1 output of fat liquoring room, control system 4 adjusts oil feeding of oil feeding system 2 in real time according to panel surface oil film thickness actual value, make the panel surface oil film thickness of final output reach the default, and then satisfy the homogeneity of shaping panel surface oil film thickness size and oil film thickness, more economize on oil, and the production efficiency is improved, and promote the panel surface quality after the stretch forming, the life of panel has effectively been improved. Compared with a roller-type oiling machine, the electrostatic oiling machine has the advantages of more uniform oiling, more oil saving and higher production efficiency.
The oil film detection system 3 in this embodiment is an on-line measurement device, and can comprehensively and continuously measure the thickness of the oil film on the surface of the plate in real time by using an optical system. The oil film detection system 3 is single-point scanning type detection or full-coverage type detection. For the condition of uneven distribution of the oil coating amount, the oil film detection system 3 can realize single-point scanning type detection or full-coverage type detection. A single measuring head capable of moving transversely along the plate width direction is configured, and the detection of the oil film value in the plate width direction can be realized in a line-by-line scanning mode; the device can measure the unevenness of the oil coating amount along the width direction by matching with the running of the machine set plate belt, and finds out the missing coating. A plurality of measuring heads are arranged along the width direction of the plate, and the whole plate width range can be covered by single measurement. And the full coverage measurement can be realized by matching with the operation of the plate and strip of the unit. The electrostatic oiling machine of the embodiment can calculate whether the gap of the knife beam of the oiling machine is blocked or not through actually measuring the distribution condition of the oil film thickness, and provides a basis for maintenance and overhaul of the knife beam.
The control system 4 in the embodiment is a PLC intelligent control system, and the PLC and various software are adopted to realize automatic control of the operation of the intelligent home, so that the reliability is greatly improved; since the relay is rarely used, the structure of the control system 4 becomes simple, and the external circuit thereof is simplified; the PLC can realize various complex system controls, and can conveniently increase or change certain control functions; the PLC can automatically detect faults and display alarm, greatly improves the operation safety of the PLC and is also beneficial to maintenance; the hardware circuit of the system control scheme is not changed when the system control scheme is changed.
In this embodiment, the electrostatic oiler for online closed-loop control of oil film thickness further includes an atomizing system electrically connected to the oil supply system 2, and is capable of atomizing oil provided by the oil supply system 2 into atomized oil. The high-voltage power supply system 5 is electrically connected with the oil coating chamber 1, can charge the atomized oil to form negatively charged atomized oil, and enables the negatively charged atomized oil to be adsorbed on the surface of the plate. In the embodiment, oil flowing out of the gap between the cutting edges of the knife beam is rapidly atomized under the influence of a high-voltage electrostatic field and point discharge, 10-130 ten thousand volts of negative high-voltage static electricity is output by a high-voltage power supply in a high-voltage power supply system 5 and is conveyed to a high-voltage electrode, so that the atomized oil is charged and negatively charged, the strip steel is grounded, an electrostatic field is generated between the strip steel and the electrode, the negatively charged oil is atomized in the high-voltage electrostatic field and adsorbed on the surface of the strip steel, and the high-voltage electrode determines the atomization effect on the oil charging degree. Under the action of electrostatic field between bias electrode and band steel, the atomized particles are formed and adsorbed on the surface of band steel under the action of electric potential to form a uniform and ultrathin oil layer for preventing rust.
The electrostatic oiling machine in the embodiment further comprises a speed measuring system electrically connected with the oil supply system 2 and used for detecting the plate transmission speed and the plate width, calculating the required oiling information by combining with the preset oil film thickness value, and sending the oiling information to the oil supply system 2. The speed measuring system detects the production speed of the unit in real time, the required oil coating information is calculated according to the width of a produced plate, the oil coating requirement, the information is fed back to the oil supply system 2, and the oil supply system 2 provides quantitative anti-rust oil for the atomizing system.
The control system 4 in the present embodiment includes a comparison unit 401 electrically connected to the oil film detection system 3, and a data input unit 402 electrically connected to the comparison unit 401, where the data input unit 402 is used to input a preset oil film thickness value; the comparison unit 401 is configured to compare and calculate the system variation to be adjusted according to the preset oil film thickness value and the oil film thickness value on the surface of the plate. In this embodiment, a preset oil film thickness value is input through the data input unit 402 and the data is transmitted to the comparison unit 401, the oil film detection system 3 sends the detected oil film thickness value on the surface of the plate as a feedback signal to the comparison unit 401, and the comparison unit 401 of the control system 4 compares the received oil film thickness value on the surface of the plate with the preset oil film thickness value to calculate the system variation to be adjusted.
The control system 4 in the present embodiment includes a driving unit 403 electrically connected to the comparison unit 401, and a hydraulic control unit 404 electrically connected to the driving unit 403 and the oil supply system 2, and the comparison unit 401 can transmit the system variation to be adjusted obtained by the comparison to the driving unit 403, and can act on the hydraulic control unit 404 to adjust the oil supply amount of the oil supply system 2. The comparison unit 401 sends the system variation to be adjusted to the drive unit 403 by an electric signal, and the drive unit 403 adjusts the oil supply amount of the oil supply system 2 by the hydraulic control unit 404 according to the received system variation signal. In a specific embodiment, the driving unit 403 is a servo driver, and the hydraulic control unit 404 includes a metering pump 441 electrically connected to the servo driver and used for controlling the oil supply amount of the oil supply system 2, and a motor 442 for controlling the rotation speed of the metering pump 441. The motor 442 is a servo motor, a variable frequency motor or a stepper motor, and the closed loop control element uses the calculated data for a servo driver or a frequency converter (the rotational speed of the servo motor 442 or the frequency of the variable frequency motor 442). The oil coating amount can be adjusted by changing the rotating speed of the motor 442 when the rotary displacement of the metering pump 441 is constant. The control system 4 can compensate for the difference between the preset value w of the oil film thickness and the controlled variable x during this process. The process can run continuously, so that the change of the preset value of the oil film thickness can be detected all the time, if the preset value of the oil film thickness is not changed, the flow meter and all downstream elements are changed, or external interference is changed, and system deviation can also be generated as the response to the change of the rotating speed of the servo motor. Finally, the actual measured value of the oil film thickness is consistent with the preset value. The closed-loop control system 4 greatly improves the control precision and the dynamic response performance.
In this embodiment, the control system 4 further includes a data storage unit 405 electrically connected to the data input unit 402, and configured to store a preset thickness of the oil film of the plate material and a corresponding rotation speed of the metering pump 441, and call the corresponding rotation speed of the metering pump 441 when the preset thickness of the oil film of the plate material is input by the data input unit 402. The data storage unit 405 can record and store the preset value of the oil film thickness of the plate and the rotating speed of the metering pump 441, and in the subsequent use process, the corresponding rotating speed of the metering pump 441 can be called in advance by inputting the preset value of the oil film thickness of the plate into the data input unit 402, so that the adjusting process is simplified, and the control efficiency is effectively improved.
The plate cleaning machine in this embodiment further includes a filtering processing unit 406 connected to the data input unit 402 and the oil film detection unit, the data input unit 402 is used to input data patterns of different plates, and the filtering processing unit 406 can perform filtering processing according to the data patterns to adjust the detected oil film thickness. For example, in the plate detection control, an opening in the machining process on a plate needs to be dug, and the plate is subjected to filtering processing to overcome the detection interference of an oil film detection unit and improve the control precision.
In the embodiment, the plate oiled by the electrostatic oiler can be a plate or a continuous plate belt, and when the oiled plate is a plate, the oiled plate can be a processed plate; when the oiled plate is a plate, the plate oiling machine is convenient and quick to use, avoids the plate from being cut off, and ensures the integrity of the plate.
The electrostatic oiling machine of the embodiment further comprises a sewage discharge unit 6 connected with the oiling chamber 1 and used for discharging dirty oil deposited at the bottom of the oiling chamber 1, and cleanliness of the oiling chamber 1 is effectively guaranteed.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. The utility model provides an electrostatic oiling machine for online closed-loop control of oil film thickness, includes scribbles grease chamber, oil feeding system, its characterized in that still includes:
the oil film detection system is arranged at the output end of the oil coating chamber and is used for detecting the thickness of an oil film on the surface of the plate;
and the control system is electrically connected with the oil film detection system and the oil supply system, and can adjust the oil supply amount of the oil supply system according to the thickness value of the oil film on the surface of the plate detected by the oil film detection system so as to enable the thickness of the surface oil film of the plate at the output end of the oiling chamber to reach a preset value.
2. The electrostatic oiling machine for online closed-loop control of oil film thickness according to claim 1, further comprising a speed measurement system electrically connected with the oil supply system and used for detecting the plate transmission speed and the plate width, calculating the required oiling information by combining with a preset value of oil film thickness, and sending the oiling information to the oil supply system.
3. The electrostatic oiling machine for online closed-loop control of oil film thickness according to claim 1, wherein the control system comprises a comparison unit electrically connected with the oil film detection system, and a data input unit electrically connected with the comparison unit, wherein the data input unit is used for inputting the preset oil film thickness value; and the comparison unit is used for comparing and calculating the system variation needing to be adjusted according to the preset oil film thickness value and the oil film thickness value on the surface of the plate.
4. The electrostatic oiler for online closed-loop control of oil film thickness according to claim 3, wherein the control system comprises a driving unit electrically connected with the comparison unit, and a hydraulic control unit electrically connected with the driving unit and the oil supply system, wherein the comparison unit can transmit the system variation needing to be adjusted obtained by comparison to the driving unit, and then the system variation needing to be adjusted can act on the hydraulic control unit to adjust the oil supply amount of the oil supply system.
5. The electrostatic oiling machine for online closed-loop control of oil film thickness according to claim 4, wherein the driving unit is a servo driver, and the hydraulic control unit comprises a metering pump electrically connected with the servo driver and used for controlling the oil supply amount of the oil supply system and a motor for controlling the rotating speed of the metering pump.
6. The electrostatic oiler for online closed-loop control of oil film thickness according to claim 5, wherein the control system further comprises a data storage unit electrically connected to the data input unit, and configured to store the preset value of oil film thickness of the plate material and the corresponding rotational speed of the metering pump, and the corresponding rotational speed of the metering pump can be adjusted when the preset value of oil film thickness of the plate material is input by the data input unit.
7. The electrostatic oiler for online closed-loop control of oil film thickness according to claim 1, further comprising an atomizing system electrically connected to said oil supply system and adapted to atomize oil supplied from said oil supply system into atomized oil.
8. The electrostatic oiler according to claim 7, further comprising a high voltage power system electrically connected to said oiling chamber for charging said atomized oil into negatively charged atomized oil and causing said negatively charged atomized oil to be adsorbed on said sheet surface.
9. The electrostatic oiling machine for online closed-loop control of oil film thickness according to claim 1, wherein the oil film detection system is single-point scanning type detection or full-coverage type detection.
10. The electrostatic oiler for online closed-loop control of oil film thickness according to claim 3, further comprising a filtering processing unit connected to the data input unit and the oil film detection unit, wherein the data input unit is configured to input data patterns of different plates, and the filtering processing unit is configured to perform filtering processing according to the data patterns to adjust the detected oil film thickness.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121419959.0U CN215030183U (en) | 2021-06-24 | 2021-06-24 | Electrostatic oiling machine for online closed-loop control of oil film thickness |
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| CN202121419959.0U CN215030183U (en) | 2021-06-24 | 2021-06-24 | Electrostatic oiling machine for online closed-loop control of oil film thickness |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121389A (en) * | 2022-08-31 | 2022-09-30 | 苏州必世洁机电有限公司 | Electrostatic high-precision closed-loop control high-resistivity coating device and method |
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2021
- 2021-06-24 CN CN202121419959.0U patent/CN215030183U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121389A (en) * | 2022-08-31 | 2022-09-30 | 苏州必世洁机电有限公司 | Electrostatic high-precision closed-loop control high-resistivity coating device and method |
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