CN117863422A - Automatic measurement control system for film thickness of casting machine - Google Patents
Automatic measurement control system for film thickness of casting machine Download PDFInfo
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- CN117863422A CN117863422A CN202410075658.2A CN202410075658A CN117863422A CN 117863422 A CN117863422 A CN 117863422A CN 202410075658 A CN202410075658 A CN 202410075658A CN 117863422 A CN117863422 A CN 117863422A
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- 238000005266 casting Methods 0.000 title claims abstract description 56
- 238000005259 measurement Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000008859 change Effects 0.000 claims abstract description 5
- 239000010408 film Substances 0.000 claims description 101
- 239000011159 matrix material Substances 0.000 claims description 30
- 238000012545 processing Methods 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000004044 response Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an automatic measurement control system for film thickness of a casting machine, which comprises: the thickness measuring instrument is arranged on the casting machine and is used for measuring the thickness of the film; the bolt adjusting mechanism is arranged on the casting machine and is used for determining the position of the bolt and adjusting the bolt; the control unit is arranged on the casting machine and is used for controlling the working condition of the bolt adjusting mechanism according to the detected thickness data of the film so as to change the thickness of the film. According to the invention, the thickness of the film on the production line of the casting machine is measured, and the bolt adjusting mechanism is controlled by the control unit according to the detected thickness data of the film, so that the thickness of the produced film can meet the use requirement, the problems of low efficiency and poor stability of a manual control mode are effectively solved, the problems of high power consumption and low response speed of the mode of adjusting the thickness of the film by heating the bolt are avoided, the efficiency and qualification rate of film production are improved, and the quantity of waste materials is reduced.
Description
Technical Field
The invention relates to the technical field of film thickness measurement and control, in particular to an automatic film thickness measurement and control system of a casting machine.
Background
The plastic film producing process with casting machine includes heating plastic particle to dissolve, conveying the plastic particle to the film head via screw, and final extruding from the lip of the mold head. The width of the gap in the lip is controlled by the bolt compression, each bolt is controlled to be about 1 inch, and a plurality of bolts are generally required to be arranged to control the thickness of the whole width according to the different widths of the produced films. The electric heating bolt heats the bolt through an electric heating wire, changes the expansion degree of the bolt, extrudes the lip, and finally changes the opening degree of the lip, thereby changing the thickness of the film.
However, the mode of controlling the thickness of the film by using the electrothermal bolt has a plurality of defects, for example, the bolt heating needs to consume a large amount of electricity, the energy consumption is high, the production cost of enterprises is increased, a large amount of heat is generated by controlling the bolt, the temperature control of the film head is also influenced, the high temperature is easy to cause human body injury to operators, and finally, the rising and falling time of the temperature is slower, so that the thickness control process is long, and the rejection rate of products is high. The film thickness is also changed in a manual bolt adjusting mode, so that the film thickness is changed in a manual bolt adjusting mode by using a wrench to rotate the compaction degree of the bolt, the film thickness is also affected by uncertainty caused by the manual skill level and the working attitude, a large amount of waste is caused, the qualification rate is low, and meanwhile, the workload of workers is greatly increased through manual adjustment, so that the working efficiency of the mode is low.
Disclosure of Invention
The invention aims to solve the technical problems that: the film thickness control mode in the prior art has the problems of high energy consumption, low working efficiency, poor stability and high rejection rate.
In order to solve the technical problems, the invention provides an automatic measurement control system for film thickness of a casting machine, comprising:
the thickness measuring instrument is arranged on the casting machine and is used for measuring the thickness of the film;
the bolt adjusting mechanism is arranged on the casting machine and is used for determining the position of the bolt and adjusting the bolt;
and the control unit is arranged on the casting machine and is used for controlling the working condition of the bolt adjusting mechanism according to the detected thickness data of the film so as to change the thickness of the film.
Further, the bolt adjustment mechanism includes:
positioning means for determining the position of the bolt;
the adjusting spanner is used for adjusting the angle of the bolt;
the moving mechanism is used for driving the adjusting spanner to move to the position of the bolt and arranging the adjusting spanner on the bolt;
wherein, positioner, adjustment spanner and moving mechanism all with the control unit electric connection.
Further, the control unit includes:
the acquisition module is connected with the thickness measuring instrument and is used for acquiring thickness data of the thin film detected by the thickness measuring instrument;
the processing module is connected with the acquisition module and is used for setting the working instruction of the adjusting spanner according to the detected thickness data of the film;
the control module is connected with the processing module and is used for controlling the adjusting spanner to work according to the working instruction.
Further, the processing module is configured to calculate an adjustment angle of the bolt according to a difference between the detected measured thickness and the target thickness of the film, and set a working instruction of the adjustment wrench according to the calculated adjustment angle of the bolt, where a calculation formula of the adjustment angle of the bolt is as follows:
A = (T-T S )*k，
wherein A is an adjustment angle, T is an actual measurement thickness, T S For the target thickness, k is the gain factor.
Further, the acquisition module is used for acquiring an adjustment angle delta G of the bolt, and the control module is used for controlling the adjustment wrench;
the processing module is used for setting an adjustment angle preset value G0, and is also used for setting a first preset angle difference value G1, a second preset angle difference value G2, a third preset angle difference value G3 and a fourth preset angle difference value G4, wherein G1 is more than G2 and less than G3 and less than G4; the processing module is further used for setting a first preset working condition matrix A1 (A1, b 1), a second preset working condition matrix A2 (A2, b 2), a third preset working condition matrix A3 (A3, b 3) and a fourth preset working condition matrix A4 (A4, b 4), wherein A1-A4 sequentially comprises first to fourth preset rotation turns, A1 is more than A2 and less than A3 and less than A4, b1-b4 sequentially comprises first to fourth preset rotation speeds, b1 is more than b2 and less than b3 and less than b4;
selecting a preset working condition matrix Ai as the working condition of the adjusting spanner according to the obtained difference value between the adjusting angle delta G of the bolt and the preset value G0 of the set adjusting angle;
when delta G-G0 is less than or equal to G1, selecting the first preset working condition matrix A1 as the working condition of the adjusting spanner;
when G1 < [ delta ] G-G0 is less than or equal to G2, selecting the second preset working condition matrix A2 as the working condition of the adjusting spanner;
when G2 < [ delta ] G-G0 is less than or equal to G3, selecting the third preset working condition matrix A3 as the working condition of the adjusting spanner;
when G3 < [ delta ] G-G0 is less than or equal to G4, selecting the fourth preset working condition matrix A4 as the working condition of the adjusting spanner;
when the i-th preset working condition matrix Ai is selected as the working condition of the adjusting wrench, the control module controls the adjusting wrench to rotate the i-th preset rotation circle Ai, and the control module also controls the adjusting wrench to work at the i-th preset rotation speed bi, i=1, 2,3,4.
Further, the control module is further configured to determine whether the bolt reaches an adjustment period after calculating an adjustment angle of the bolt, if the adjustment period is reached, set a working instruction of the adjustment wrench, and if the adjustment period is reached, not set the working instruction of the adjustment wrench, where a calculation formula of the adjustment period of the bolt is as follows:
W = L/V，
wherein W is an adjustment period, L is the distance from the film head of the film to the thickness measuring instrument, and V is the speed of the casting line of the casting machine.
Further, the calculation formula for measuring the film thickness by the thickness measuring instrument is as follows:
h= 1/λ * ln(I 0 /I)，
wherein h is the thickness of the film, I is the signal value of the film, I 0 Lambda is the absorption coefficient of the film for X-rays for the signal value before transmission through the film.
Further, the moving mechanism includes:
an X sliding table is arranged on the X axis of the casting machine;
the X-axis motor is arranged at one end of the X-sliding table and is used for adjusting the bolt adjusting mechanism to move on an X axis;
the Y sliding table is arranged on the X sliding table;
the Y-axis motor is arranged at one end of the Y sliding table and is used for adjusting the bolt adjusting mechanism to move on the Y axis;
the Z sliding table is arranged on the Y sliding table;
the Z-axis motor is arranged at one end of the Z-sliding table and is used for adjusting the bolt adjusting mechanism to move on the Z axis;
the adjusting spanner is connected to the Z-axis motor through a plum coupling.
Compared with the prior art, the automatic measurement control system for the film thickness of the casting machine has the beneficial effects that:
according to the invention, the thickness of the film on the production line of the casting machine is measured, and the bolt adjusting mechanism is controlled by the control unit according to the detected thickness data of the film, so that the thickness of the produced film can meet the use requirement, the problems of low efficiency and poor stability of a manual control mode are effectively solved, the problems of high power consumption and low response speed of the mode of adjusting the thickness of the film by heating the bolt are avoided, the efficiency and qualification rate of film production are improved, and the quantity of waste materials is reduced.
Drawings
FIG. 1 is a block diagram showing the construction of a casting machine film thickness automatic measurement control system according to an embodiment of the present invention;
FIG. 2 is a block diagram showing the structure of a bolt adjusting mechanism of a casting machine film thickness automatic measurement control system according to an embodiment of the present invention;
FIG. 3 is a block diagram showing the construction of a control unit of the casting machine film thickness automatic measurement control system in the embodiment of the present invention;
FIG. 4 is a schematic view showing the structure of a moving mechanism of a casting machine film thickness automatic measurement control system according to an embodiment of the present invention;
in the figure, a sliding table 1 and an X are arranged; 2. an X-axis motor; 3. a Y sliding table; 4. a Y-axis motor; 5. a Z sliding table; 6. a Z-axis motor; 7. plum blossom shaft coupling; 8. and adjusting a spanner.
Detailed Description
The detailed description of the present application is further described in detail below with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
After the plastic film is produced, the single scanning outline of the film is measured after the plastic film is scanned by the X-ray of the thickness measuring instrument, then the full-width thickness is calculated to be the partition thickness corresponding to the bolts according to the arrangement position of the bolts at the film head of the film, then the adjustment angle of each bolt is calculated according to the difference value of the thickness of each partition and the target thickness, and the adjustment angle is adjusted by the bolt adjusting mechanism.
As shown in fig. 1, in an embodiment of the present application, there is provided a casting machine film thickness automatic measurement control system including: the thickness measuring instrument is arranged on the casting machine and is used for measuring the thickness of the film; the bolt adjusting mechanism is arranged on the casting machine and is used for determining the position of the bolt and adjusting the bolt; and the control unit is arranged on the casting machine and is used for controlling the working condition of the bolt adjusting mechanism according to the detected thickness data of the film so as to change the thickness of the film.
Furthermore, the thickness of the film on the production line of the casting machine is measured, and the bolt adjusting mechanism is controlled by the control unit according to the detected thickness data of the film, so that the thickness of the produced film can meet the use requirement, the problems of low efficiency and poor stability of a manual control mode are effectively solved, the problems of high power consumption and low response speed of the mode of adjusting the thickness of the film by heating the bolt are avoided, the efficiency and the qualification rate of film production are improved, and the quantity of waste materials is reduced.
As shown in fig. 2, in an embodiment of the present application, there is provided a casting machine film thickness automatic measurement control system, the bolt adjusting mechanism including: positioning means for determining the position of the bolt; the adjusting spanner is used for adjusting the angle of the bolt; the moving mechanism is used for driving the adjusting spanner to move to the position of the bolt and arranging the adjusting spanner on the bolt; wherein, positioner, adjustment spanner and moving mechanism all with the control unit electric connection.
Specifically, the positioning device is used for determining the position of the bolt, the moving mechanism is used for driving the adjusting spanner to move to the position of the bolt, the adjusting spanner is sleeved on the bolt, finally, the angle of the current bolt is adjusted by the adjusting spanner to adjust the thickness of the film, after the thickness of the film is adjusted, the adjusting spanner is pulled out, and then the adjusting spanner is moved to the next bolt to be adjusted, and the adjusting spanner is continuously adjusted according to the steps.
As shown in fig. 3, in an embodiment of the present application, there is provided a casting machine film thickness automatic measurement control system, the control unit including: the acquisition module is connected with the thickness measuring instrument and is used for acquiring thickness data of the thin film detected by the thickness measuring instrument; the processing module is connected with the acquisition module and is used for setting the working instruction of the adjusting spanner according to the detected thickness data of the film; the control module is connected with the processing module and is used for controlling the adjusting spanner to work according to the working instruction.
In an embodiment of the present application, there is provided an automatic measurement control system for film thickness of a casting machine, where the processing module is configured to calculate an adjustment angle of a bolt according to a difference between a detected measured thickness of the film and a target thickness, and set a working instruction of the adjustment wrench according to the calculated adjustment angle of the bolt, where a calculation formula of the adjustment angle of the bolt is:
A = (T-T S )*k，
wherein A is an adjustment angle, T is an actual measurement thickness, T S For the target thickness, k is the gain factor.
Specifically, the adjustment angle a is clockwise, and the negative value is counterclockwise.
In the embodiment of the application, an automatic measuring and controlling system for the film thickness of a casting machine is provided, wherein the acquisition module is used for acquiring the adjustment angle delta G of a bolt, and the control module is used for controlling the adjustment wrench;
the processing module is used for setting an adjustment angle preset value G0, and is also used for setting a first preset angle difference value G1, a second preset angle difference value G2, a third preset angle difference value G3 and a fourth preset angle difference value G4, wherein G1 is more than G2 and less than G3 and less than G4; the processing module is further used for setting a first preset working condition matrix A1 (A1, b 1), a second preset working condition matrix A2 (A2, b 2), a third preset working condition matrix A3 (A3, b 3) and a fourth preset working condition matrix A4 (A4, b 4), wherein A1-A4 sequentially comprises first to fourth preset rotation turns, A1 is more than A2 and less than A3 and less than A4, b1-b4 sequentially comprises first to fourth preset rotation speeds, b1 is more than b2 and less than b3 and less than b4;
selecting a preset working condition matrix Ai as the working condition of the adjusting spanner according to the obtained difference value between the adjusting angle delta G of the bolt and the preset value G0 of the set adjusting angle;
when delta G-G0 is less than or equal to G1, selecting the first preset working condition matrix A1 as the working condition of the adjusting spanner;
when G1 < [ delta ] G-G0 is less than or equal to G2, selecting the second preset working condition matrix A2 as the working condition of the adjusting spanner;
when G2 < [ delta ] G-G0 is less than or equal to G3, selecting the third preset working condition matrix A3 as the working condition of the adjusting spanner;
when G3 < [ delta ] G-G0 is less than or equal to G4, selecting the fourth preset working condition matrix A4 as the working condition of the adjusting spanner;
when the i-th preset working condition matrix Ai is selected as the working condition of the adjusting wrench, the control module controls the adjusting wrench to rotate the i-th preset rotation circle Ai, and the control module also controls the adjusting wrench to work at the i-th preset rotation speed bi, i=1, 2,3,4.
Specifically, because the adjustment angle of the bolt needs to be automatically adjusted through the adjustment wrench, the rotating circle number of the adjustment wrench can determine the angle position of the bolt so as to determine the regulation and control of the thickness of the film, the rotating circle number of the adjustment wrench is selected according to the difference value between the acquired adjustment angle of the bolt and the preset value of the set adjustment angle, the produced thickness of the film can meet the requirement, the rotating speed of the adjustment wrench is matched with the corresponding rotating circle number, and the condition that the bolt is damaged due to the fact that the bolt is quickly screwed again under the condition that the bolt is screwed can be generated, so that the bolt adjustment mechanism can normally run.
In an embodiment of the present application, there is provided an automatic measurement control system for film thickness of a casting machine, where the control module is further configured to determine, after calculating an adjustment angle of a bolt, whether the bolt reaches an adjustment period, if the adjustment period is reached, set a working instruction of an adjustment wrench, and if the adjustment period is reached, not set the working instruction of the adjustment wrench, where an adjustment period calculation formula of the bolt is:
W = L/V，
wherein W is an adjustment period, L is the distance from the film head of the film to the thickness measuring instrument, and V is the speed of the casting line of the casting machine.
In the embodiment of the application, an automatic measurement control system for the film thickness of a casting machine is provided, and a calculation formula for measuring the film thickness by the thickness measuring instrument is as follows:
h= 1/λ * ln(I 0 /I)，
wherein h is the thickness of the film, I is the signal value of the film, I 0 Lambda is the absorption coefficient of the film for X-rays for the signal value before transmission through the film.
Specifically, the thickness measuring unit adopts an X-ray tube, and after penetrating through a film, the X-ray tube is received by an ionization chamber sensor, when the thickness of the film changes, the X-ray passing through the film changes, the ionization chamber sensor transmits a signal to the control unit, the control unit collects the signal value I through a communication interface, then the films with different thicknesses are used for calibration, the absorption coefficient lambda under the condition of various thicknesses is calculated and fitted through the control unit, and when the thickness h is measured, the control unit calculates the thickness value h according to the signal value and the absorption coefficient.
As shown in fig. 4, in an embodiment of the present application, there is provided a casting machine film thickness automatic measurement control system, the moving mechanism including: an X sliding table 1 arranged on an X axis of the casting machine; the X-axis motor 2 is arranged at one end of the X sliding table 1, and the X-axis motor 2 is used for adjusting the bolt adjusting mechanism to move on an X axis; a Y slipway 3 arranged on the X slipway 1; the Y-axis motor 4 is arranged at one end of the Y sliding table 3, and the Y-axis motor 4 is used for adjusting the bolt adjusting mechanism to move on the Y axis; a Z sliding table 5 arranged on the Y sliding table 3; the Z-axis motor 6 is arranged at one end of the Z-sliding table 5, and the Z-axis motor 6 is used for adjusting the bolt adjusting mechanism to move on the Z axis; the adjusting spanner 8 is connected to the Z-axis motor 6 through a plum coupling 7.
Specifically, firstly, determining the position of the bolt, driving the X-axis motor 2, moving the adjusting spanner 8 to the position of the bolt to be adjusted, then operating the Y-axis motor 4 with a designated torque, maintaining the position after reaching a set torque value, rotating the Z-axis motor 6 with the designated torque, stopping the rotation when reaching the set torque value, indicating that the adjusting spanner 8 has correctly inserted the bolt, finally, driving the Z-axis motor 6 to rotate the adjusting spanner 8 according to a given adjusting angle, adjusting the angle of the current bolt to adjust the thickness of the film, after the thickness of the adjusting film is completed, resetting the Y-axis, pulling out the adjusting spanner 8, moving the adjusting spanner 8 to the next bolt to be adjusted, and continuing to adjust according to the steps.
In summary, the embodiment of the invention provides an automatic measurement and control system for film thickness of a casting machine, which comprises: the thickness measuring instrument is arranged on the casting machine and is used for measuring the thickness of the film; the bolt adjusting mechanism is arranged on the casting machine and is used for determining the position of the bolt and adjusting the bolt; the control unit is arranged on the casting machine and is used for controlling the working condition of the bolt adjusting mechanism according to the detected thickness data of the film so as to change the thickness of the film. According to the invention, the thickness of the film on the production line of the casting machine is measured, and the bolt adjusting mechanism is controlled by the control unit according to the detected thickness data of the film, so that the thickness of the produced film can meet the use requirement, the problems of low efficiency and poor stability of a manual control mode are effectively solved, the problems of high power consumption and low response speed of the mode of adjusting the thickness of the film by heating the bolt are avoided, the efficiency and qualification rate of film production are improved, and the quantity of waste materials is reduced.
Finally, it should be noted that: it will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
The foregoing is merely an example of the present invention and is not intended to limit the scope of the present invention, and all changes made in the structure according to the present invention should be considered as falling within the scope of the present invention without departing from the gist of the present invention. It will be clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the system described above and the related description may refer to the corresponding process in the foregoing method embodiment, which is not repeated here.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus/apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus/apparatus.
Thus far, the technical solution of the present invention has been described in connection with the further embodiments shown in the drawings, but it is readily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. A casting machine film thickness automatic measurement control system, characterized by comprising:
the thickness measuring instrument is arranged on the casting machine and is used for measuring the thickness of the film;
the bolt adjusting mechanism is arranged on the casting machine and is used for determining the position of the bolt and adjusting the bolt;
and the control unit is arranged on the casting machine and is used for controlling the working condition of the bolt adjusting mechanism according to the detected thickness data of the film so as to change the thickness of the film.
2. The automatic film thickness measuring and controlling system of a casting machine according to claim 1, wherein the bolt adjusting mechanism comprises:
positioning means for determining the position of the bolt;
the adjusting spanner is used for adjusting the angle of the bolt;
the moving mechanism is used for driving the adjusting spanner to move to the position of the bolt and arranging the adjusting spanner on the bolt;
wherein, positioner, adjustment spanner and moving mechanism all with the control unit electric connection.
3. The automatic casting machine film thickness measurement control system according to claim 2, wherein the control unit comprises:
the acquisition module is connected with the thickness measuring instrument and is used for acquiring thickness data of the thin film detected by the thickness measuring instrument;
the processing module is connected with the acquisition module and is used for setting the working instruction of the adjusting spanner according to the detected thickness data of the film;
the control module is connected with the processing module and is used for controlling the adjusting spanner to work according to the working instruction.
4. A casting machine film thickness automatic measurement control system according to claim 3, wherein,
the processing module is used for calculating the adjusting angle of the bolt according to the difference value between the detected measured thickness and the target thickness of the film, and setting the working instruction of the adjusting spanner according to the calculated adjusting angle of the bolt, and the calculating formula of the adjusting angle of the bolt is as follows:
A = (T-T S )*k，
wherein A is an adjustment angle, T is an actual measurement thickness, T S For the target thickness, k is the gain factor.
5. The automatic measuring and controlling system for film thickness of casting machine according to claim 4, wherein,
the acquisition module is used for acquiring an adjustment angle delta G of the bolt, and the control module is used for controlling the adjustment wrench;
the processing module is used for setting an adjustment angle preset value G0, and is also used for setting a first preset angle difference value G1, a second preset angle difference value G2, a third preset angle difference value G3 and a fourth preset angle difference value G4, wherein G1 is more than G2 and less than G3 and less than G4; the processing module is further used for setting a first preset working condition matrix A1 (A1, b 1), a second preset working condition matrix A2 (A2, b 2), a third preset working condition matrix A3 (A3, b 3) and a fourth preset working condition matrix A4 (A4, b 4), wherein A1-A4 sequentially comprises first to fourth preset rotation turns, A1 is more than A2 and less than A3 and less than A4, b1-b4 sequentially comprises first to fourth preset rotation speeds, b1 is more than b2 and less than b3 and less than b4;
selecting a preset working condition matrix Ai as the working condition of the adjusting spanner according to the obtained difference value between the adjusting angle delta G of the bolt and the preset value G0 of the set adjusting angle;
when delta G-G0 is less than or equal to G1, selecting the first preset working condition matrix A1 as the working condition of the adjusting spanner;
when G1 < [ delta ] G-G0 is less than or equal to G2, selecting the second preset working condition matrix A2 as the working condition of the adjusting spanner;
when G2 < [ delta ] G-G0 is less than or equal to G3, selecting the third preset working condition matrix A3 as the working condition of the adjusting spanner;
when G3 < [ delta ] G-G0 is less than or equal to G4, selecting the fourth preset working condition matrix A4 as the working condition of the adjusting spanner;
when the i-th preset working condition matrix Ai is selected as the working condition of the adjusting wrench, the control module controls the adjusting wrench to rotate the i-th preset rotation circle Ai, and the control module also controls the adjusting wrench to work at the i-th preset rotation speed bi, i=1, 2,3,4.
6. The automatic measuring and controlling system for film thickness of casting machine according to claim 4, wherein,
the control module is also used for judging whether the bolt reaches an adjustment period after calculating the adjustment angle of the bolt, if the adjustment period is reached, setting the working instruction of the adjustment wrench, and if the adjustment period is reached, not setting the working instruction of the adjustment wrench, wherein the calculation formula of the adjustment period of the bolt is as follows:
W = L/V，
wherein W is an adjustment period, L is the distance from the film head of the film to the thickness measuring instrument, and V is the speed of the casting line of the casting machine.
7. The automatic measuring and controlling system for film thickness of casting machine according to claim 1, wherein,
the calculation formula for measuring the film thickness by the thickness measuring instrument is as follows:
h= 1/λ * ln(I 0 /I)，
wherein h is the thickness of the film, I is the signal value of the film, I 0 Before penetrating through the filmSignal value, λ is the absorption coefficient of the film for X-rays.
8. The automatic film thickness measuring and controlling system of a casting machine according to claim 2, wherein the moving mechanism comprises:
an X sliding table is arranged on the X axis of the casting machine;
the X-axis motor is arranged at one end of the X-sliding table and is used for adjusting the bolt adjusting mechanism to move on an X axis;
the Y sliding table is arranged on the X sliding table;
the Y-axis motor is arranged at one end of the Y sliding table and is used for adjusting the bolt adjusting mechanism to move on the Y axis;
the Z sliding table is arranged on the Y sliding table;
the Z-axis motor is arranged at one end of the Z-sliding table and is used for adjusting the bolt adjusting mechanism to move on the Z axis;
the adjusting spanner is connected to the Z-axis motor through a plum coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410075658.2A CN117863422A (en) | 2024-01-18 | 2024-01-18 | Automatic measurement control system for film thickness of casting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410075658.2A CN117863422A (en) | 2024-01-18 | 2024-01-18 | Automatic measurement control system for film thickness of casting machine |
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| CN117863422A true CN117863422A (en) | 2024-04-12 |
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| CN202410075658.2A Pending CN117863422A (en) | 2024-01-18 | 2024-01-18 | Automatic measurement control system for film thickness of casting machine |
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| Country | Link |
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