CN115044757A - Automatic adjusting device for laser scoring parabolic lens focus - Google Patents
Automatic adjusting device for laser scoring parabolic lens focus Download PDFInfo
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- CN115044757A CN115044757A CN202210711269.5A CN202210711269A CN115044757A CN 115044757 A CN115044757 A CN 115044757A CN 202210711269 A CN202210711269 A CN 202210711269A CN 115044757 A CN115044757 A CN 115044757A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 230000003028 elevating effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000976 Electrical steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1294—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a localized treatment
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
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- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Laser Beam Processing (AREA)
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Abstract
The invention discloses an automatic adjusting device for a laser scoring parabolic mirror focus, relates to the technical field of scoring parabolic mirror focus adjustment, and solves the technical problems that in the related technology, the laser scoring parabolic mirror focus adjustment is performed in a complicated manner through manual calibration, the accuracy is low, and safety risks possibly exist. In this device, two eccentric bearings are installed respectively in focus lifting roller both ends, drive gear and the relative fixed connection of an eccentric bearing's inner circle, and drive gear and inner circle set up with one heart, and the threaded rod is connected with drive gear meshing transmission, and servo motor is connected with the threaded rod drive to drive the threaded rod rotation, photoelectric encoder and focus lifting roller keep away from drive gear's one end coaxial coupling, PLC control system and photoelectric encoder signal connection, PLC control system and servo motor are connected. Accurate curve simulation can be carried out on the rotary scale of the focusing lifting roller and the height of lifting change, a learning curve can be made, the operation is simple, the production efficiency is high, and the safety production coefficient is high.
Description
Technical Field
The invention relates to the technical field of nicking parabolic lens focus adjustment, in particular to an automatic adjusting device for a laser nicking parabolic lens focus.
Background
The oriented silicon steel is an important ferrosilicon alloy applied to iron cores, and the raw materials can generate internal stress in silicon steel sheets after laser scoring treatment, so that the internal magnetic domain structure of the oriented silicon steel is improved. In order to ensure the quality of nicking, the parabolic mirror needs to be periodically replaced in the daily maintenance process of the nicking machine, and the position of a focus needs to be accurately adjusted after the mirror surface is replaced, so that energy gathering is realized.
At present, the laser focus needs to be manually calibrated, namely, a lifting roller handle is rotated to different positions, a steel plate placed on a lifting roller is scribed (scribing is performed for 1 time by rotating for 30 degrees), the thinnest straight line is determined by visual inspection, and the position of the steel plate applied by the lifting roller at this moment is the focus position. Technical staff is when manual regulation lifting roller position, and every time the regulation is accomplished the scale just need to carry out data record with vernier caliper measurement lifting roller to the distance between the scanning cavity, scale, height, and this mode execution is loaded down with trivial details, the rate of accuracy is low, repeatability is high, because the operating area is narrow and small, technical staff has great safety risk when adjusting lifting roller position, measuring lifting roller to scanning cavity distance, very easily causes the mechanical injury accident, so traditional detection mode drawback is obvious.
Disclosure of Invention
The application provides an automatic regulating apparatus for laser nick parabolic mirror focus, has solved among the correlation technique laser nick parabolic mirror focus regulation through manual demarcation and the execution that exists is loaded down with trivial details, the rate of accuracy is low, probably have the technical problem of safety risk.
The application provides an automatic regulating apparatus for laser nick parabolic mirror focus, including the focus lifting roll, two eccentric bearings, drive gear, the threaded rod, servo motor, photoelectric encoder and PLC control system, the focus lifting roll is used for the adjustment to treat the interval of line scribing board and parabolic mirror, two eccentric bearings are installed respectively in focus lifting roll both ends, the inner circle relatively fixed connection of drive gear and an eccentric bearing, and drive gear sets up with the inner circle is concentric, the threaded rod is connected with drive gear meshing transmission, servo motor and threaded rod drive are connected, in order to drive the threaded rod rotation, photoelectric encoder and focus lifting roll keep away from drive gear's one end coaxial coupling, PLC control system and photoelectric encoder signal connection, PLC control system is connected with servo motor.
Optionally, the eccentric hole of the inner ring of the eccentric bearing is spaced from the center of the inner ring, and the transmission gear is fixedly connected to the center of the inner ring.
Alternatively, the center of the inner race of the eccentric bearing is located in the eccentric hole of the inner race, and the transmission gear is installed at the end of the focusing elevating roller and is concentrically disposed with the inner race of the eccentric bearing adjacent to the transmission gear.
Optionally, the automatic adjusting device comprises two focusing lifting rollers, two ends of each focusing lifting roller are respectively provided with an eccentric bearing, the eccentric bearings at one ends of the focusing lifting rollers are respectively and oppositely fixed with a transmission gear, the transmission gears are respectively in meshed transmission connection with a threaded rod, the other ends of the focusing lifting rollers are respectively and coaxially connected with a photoelectric encoder, and the photoelectric encoders are respectively in signal connection with the PLC control system.
Optionally, the automatic adjustment device comprises two servo motors, and the two servo motors are respectively connected to two ends of the threaded rod in the axial direction.
Optionally, the PLC control system includes a PLC counter instruction, the PLC counter instruction is used to count the number of pulses transmitted by the photoelectric encoder to form a count value, and the PLC control system is configured to control the servo motor to stop working when the count value reaches a preset value.
Optionally, the PLC control system is connected to the photoelectric encoder through PROFIBUS, and the PLC control system is connected to the servo motor through ETHERNET.
Optionally, the PLC control system includes a human-machine interface, and the human-machine interface is provided with an input box with a preset value.
Optionally, the threaded rod comprises a lead screw.
Optionally, the line to be scribed comprises a steel plate.
The beneficial effect of this application is as follows: the application provides an automatic regulating apparatus for laser nick parabolic mirror focus, utilize rising and decline of PLC automatic control focus lifting roll, concretely, PLC sends out instruction control servo motor work, drive the threaded rod rotation, drive gear with the threaded rod meshing rotates, can drive the focus lifting roll of installing in eccentric bearing and rotate, the focus lifting roll carries out the adjustment of height under eccentric bearing's effect, with the accurate output pulse signal of focus lifting roll coaxial coupling's photoelectric encoder, signal transmission is to PLC control system, still can control servo motor stop work after PLC control system handles, and carry out accurate curve simulation to the height of focus lifting roll rotation scale and lift change, can make the study curve, and the operation is simple, high in production efficiency, the strong beneficial effect of safe production coefficient.
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 description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a schematic structural diagram of an automatic adjustment device for a focal point of a laser scoring parabolic mirror provided by the present application;
FIG. 2 is a schematic block diagram of an operation control involved in the automatic adjustment apparatus provided in FIG. 1;
FIG. 3 is a schematic view of the eccentric bearing inner race and the transmission gear of FIG. 1 fixed relative to each other;
fig. 4 is another schematic view of the eccentric bearing inner race and the transmission gear of fig. 1 being relatively fixed.
The attached drawings are marked as follows: 100-focusing lifting roller, 200-eccentric bearing, 210-inner ring, 211-eccentric hole, 300-transmission gear, 310-transmission gear setting position, 400-threaded rod, 500-servo motor and 600-photoelectric encoder.
Detailed Description
The embodiment of the application provides an automatic regulating apparatus for a laser scoring parabolic mirror focus, and solves the technical problems that in the related art, the execution of the laser scoring parabolic mirror focus regulation is complicated, the accuracy is low, and safety risks possibly exist through manual calibration.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
the utility model provides an automatic regulating apparatus for laser nick parabolic mirror focus, including the focus lifting roll, two eccentric bearings, drive gear, the threaded rod, servo motor, photoelectric encoder and PLC control system, the focus lifting roll is used for the adjustment to treat the interval of line scribing board and parabolic mirror, two eccentric bearings are installed respectively in focus lifting roll both ends, drive gear and an eccentric bearing's inner circle relatively fixed connection, and drive gear and inner circle set up with one heart, the threaded rod is connected with drive gear meshing transmission, servo motor and threaded rod drive are connected, in order to drive the threaded rod rotation, photoelectric encoder keeps away from drive gear's one end coaxial coupling with the focus lifting roll, PLC control system and photoelectric encoder signal connection, PLC control system is connected with servo motor.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example 1
Referring to fig. 1, the present embodiment discloses an automatic adjusting device for a focus of a laser scoring parabolic mirror, which includes a focusing lift roller 100, two eccentric bearings 200, a transmission gear 300, a threaded rod 400, a servo motor 500, a photoelectric encoder 600 and a PLC control system. The focusing lifting roller 100 is used for adjusting the distance between a to-be-scribed plate and a parabolic mirror, two eccentric bearings 200 are respectively installed at two ends of the focusing lifting roller 100, a transmission gear 300 is relatively and fixedly connected with an inner ring 210 of one eccentric bearing 200, the transmission gear 300 and the inner ring 210 are concentrically arranged, a threaded rod 400 is in meshed transmission connection with the transmission gear 300, a servo motor 500 is in driving connection with the threaded rod 400 to drive the threaded rod 400 to rotate, a photoelectric encoder 600 is coaxially connected with one end, far away from the transmission gear 300, of the focusing lifting roller 100, a PLC control system is in signal connection with the photoelectric encoder 600, and the PLC control system is connected with the servo motor 500.
The PLC is used for automatically controlling the ascending and descending of the focusing lifting roller 100, the distance between the line-to-be-engraved plate and the parabolic mirror is finely adjusted through the focusing lifting roller 100, and lines are engraved on the line-to-be-engraved plate so as to obtain the focal position and related information of the parabolic mirror.
In detail, the PLC sends an instruction to control the servo motor 500 to operate, to drive the threaded rod 400 to rotate, and the transmission gear 300 engaged with the threaded rod 400 rotates, to drive the focusing lift roller 100 mounted on the eccentric bearing 200 to rotate, and to adjust the height of the focusing lift roller 100 under the action of the eccentric bearing 200, including lifting or lowering the height; the photoelectric encoder 600 is coaxially connected with the focusing lifting roller 100, specifically, the focusing lifting roller 100 drives the mechanical shaft of the photoelectric encoder 600 to rotate, and the photoelectric encoder 600 accurately outputs a pulse signal; and sending the signal to a PLC control system. The PLC control system can control the servo motor 500 to stop working after processing, and can perform accurate curve simulation on the rotation scale and the lifting change height of the focusing lifting roller 100, so as to make a learning curve. Therefore, the technical problems of complex execution, low accuracy and possible safety risk caused by manual calibration of the focal point adjustment of the laser scoring parabolic mirror are solved, and the method has the advantages of being simple to operate, high in production efficiency and high in safety production coefficient.
Optionally, the automatic adjusting device may be provided with two sets of focusing lifting rollers 100, the focusing lifting rollers 100 are all used for fine tuning the distance between the reticle to be calibrated and the parabolic mirror, and the two different focusing lifting rollers 100 are provided for different degrees of adjustment on the reticle, and the principle is similar to the adjustment on millimeter scale level and centimeter scale level.
Specifically, referring to fig. 1, the automatic adjusting device includes two focusing lift rollers 100, two ends of the focusing lift rollers 100 are respectively configured with an eccentric bearing 200, the eccentric bearings 200 at one end of the focusing lift rollers 100 are relatively fixed with transmission gears 300, the transmission gears 300 are engaged and transmission connected with a threaded rod 400, the other end of the focusing lift rollers 100 are coaxially connected with a photoelectric encoder 600, and the photoelectric encoder 600 is in signal connection with a PLC control system.
In general, two focusing lift rollers 100 are provided to satisfy the fine adjustment, without the solution involving three focusing lift rollers 100.
Alternatively, as shown in fig. 1, in the case where two sets of focusing elevating rollers 100 are provided, two servo motors 500 may be further provided, and the two servo motors 500 are respectively connected to both ends of the threaded rod 400 in the axial direction.
Alternatively, the threaded rod 400 may comprise a lead screw, or may be a general rod member with threads on the outer edge.
Optionally, the line to be scribed comprises a steel plate, and the line is scribed on the steel plate to determine the focal position of the replaced parabolic mirror. The belt reticle can also be additionally provided with a special plate.
It will be appreciated that, referring to figure 1, the eccentric bearing 200 is provided with a bearing mount which is correspondingly mounted on a base like structure to accommodate the above-described movement. Accordingly, the servo motor 500 and the like perform a fixing process.
Example 2
Based on the automatic adjusting device for the focal point of the laser scoring parabolic mirror in embodiment 1, regarding that the transmission gear 300 is relatively fixedly connected with the inner ring 210 of the eccentric bearing 200, and the transmission gear 300 and the inner ring 210 are concentrically arranged, the embodiment is specifically illustrated as follows.
In some possible embodiments, as shown in fig. 3, fig. 3 shows a transmission gear arrangement 310, the eccentric hole 211 of the inner ring 210 of the eccentric bearing 200 is spaced apart from the center of the inner ring 210, and the transmission gear 300 is fixedly coupled to the center of the inner ring 210. The inner ring 210 is directly connected to the transmission gear 300, and this kind of solution is characterized in that the transmission gear 300 rotates by a unit to bring about a great height change of the focusing lift roller 100, so the transmission ratio between the transmission gear 300 and the threaded rod 400 generally needs to be controlled to satisfy the purpose of fine adjustment.
In some possible embodiments, as shown in fig. 4, fig. 4 shows a transmission gear arrangement 310, the center of the inner race 210 of the eccentric bearing 200 is located in the eccentric hole 211 of the inner race 210, and the transmission gear 300 is installed at the end of the focusing elevating roller 100 and is concentrically arranged with the inner race 210 of the eccentric bearing 200 adjacent to the transmission gear 300. It is understood that when the transmission gear 300 rotates by the driving of the threaded rod 400, the position of the transmission gear setting part 310 in fig. 4 remains unchanged, the transmission gear 300 drives the inner ring 210 to rotate through the focusing elevating roller 100, and the inner ring 210 additionally assists the rotation track of the focusing elevating roller 100.
Example 3
Referring to fig. 2, the present embodiment further defines the PLC relation based on the automatic adjusting devices of embodiments 1 and 2.
Optionally, the PLC control system includes a PLC counter instruction, the PLC counter instruction is used to count the number of pulses transmitted by the photoelectric encoder 600 to form a count value, and the PLC control system is configured to interrupt when the count value reaches a preset value, so as to control the servo motor 500 to stop working. Thereby realizing accurate positioning control of the adjustment height value of the focusing elevating roller 100 according to the preset value set in advance. In addition, the preset value may also be referred to as a preset value.
As shown in fig. 2, a feedback-controlled servo system is formed for accurately controlling the movement of the target object.
As shown in fig. 2, regarding the stop of the servo motor 500 for the interrupt control, a servo amplifier may be provided to control the servo motor 500 to stop operating.
Regarding the signal connection of the PLC control system with the photoelectric encoder 600, the PLC control system is connected with the servo motor 500, alternatively, as shown in fig. 2, the PLC control system is connected with the photoelectric encoder 600 through PROFIBUS, and the PLC control system is connected with the servo motor 500 through ETHERNET.
Optionally, the PLC control system includes a human-machine interface, and the human-machine interface is provided with an input box of a preset value. The man-machine exchange interface can be presented in the form of a touch screen, so that accurate positioning control of the lifting height is realized.
Various corresponding instructions of the programmable controller are sent through the reference operation of the touch screen interface, the logical relation is calculated to enable the equipment to complete set adjustment actions, and program information can be displayed in real time through PLC program instruction editing in order to facilitate actual observation.
An a/D converter is also included in fig. 2 for converting the signal of the photoelectric encoder 600.
An intermediate relay is also included in fig. 2, and relates to the arrangement of related circuits, namely a hardware circuit comprising a pulse output module and a counting module.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An automatic adjustment device for the focus of a laser scoring parabolic mirror, the automatic adjustment device comprising:
the focusing lifting roller is used for adjusting the distance between the line plate to be scribed and the parabolic mirror;
two eccentric bearings respectively mounted at two ends of the focusing lifting roller;
the transmission gear is relatively fixedly connected with the inner ring of one eccentric bearing and is arranged concentrically with the inner ring;
the threaded rod is in meshed transmission connection with the transmission gear;
the servo motor is in driving connection with the threaded rod to drive the threaded rod to rotate;
the photoelectric encoder is coaxially connected with one end of the focusing lifting roller, which is far away from the transmission gear; and
and the PLC control system is in signal connection with the photoelectric encoder and is connected with the servo motor.
2. The automatic adjusting apparatus of claim 1, wherein the eccentric hole of the inner race of the eccentric bearing is spaced apart from the center of the inner race, and the transmission gear is fixedly coupled to the center of the inner race.
3. The automatic adjusting apparatus of claim 1, wherein the center of the inner race of the eccentric bearing is located in an eccentric hole of the inner race, and the transmission gear is installed at an end of the focusing elevating roller and is concentrically disposed with the inner race of the eccentric bearing adjacent to the transmission gear.
4. The automatic adjusting device of claim 1, wherein the automatic adjusting device comprises two focusing lifting rollers, the two ends of the focusing lifting rollers are respectively provided with the eccentric bearings, the eccentric bearings at one ends of the focusing lifting rollers are respectively and oppositely fixed with the transmission gears, the transmission gears are respectively in meshing transmission connection with the threaded rods, the other ends of the focusing lifting rollers are respectively and coaxially connected with the photoelectric encoders, and the photoelectric encoders are respectively in signal connection with the PLC control system.
5. The automatic adjusting device of claim 4, wherein the automatic adjusting device comprises two servo motors, the two servo motors being connected to the threaded rod at axial ends thereof, respectively.
6. The automatic adjusting device of claim 1, wherein the PLC control system includes a PLC counter command for counting the number of pulses transmitted by the photoelectric encoder to form a count value, and the PLC control system is configured to control the servo motor to stop operating when the count value reaches a preset value.
7. The automatic adjusting device of claim 6, wherein the PLC control system is connected with the photoelectric encoder through PROFIBUS, and the PLC control system is connected with the servo motor through ETHERNET.
8. The automatic adjusting device of claim 6, characterized in that the PLC control system comprises a human machine exchange interface provided with an input box of the preset value.
9. The automatic adjustment device of claim 1, wherein the threaded rod comprises a lead screw.
10. The automatic adjusting device of claim 1, wherein the board to be scribed comprises a steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210711269.5A CN115044757B (en) | 2022-06-22 | 2022-06-22 | Automatic adjusting device for focus of parabolic mirror for laser scoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210711269.5A CN115044757B (en) | 2022-06-22 | 2022-06-22 | Automatic adjusting device for focus of parabolic mirror for laser scoring |
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| CN115044757A true CN115044757A (en) | 2022-09-13 |
| CN115044757B CN115044757B (en) | 2024-01-02 |
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| CN109648210A (en) * | 2019-02-14 | 2019-04-19 | 北京志恒达科技有限公司 | Laser burn engraving device and system |
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| DE102020000518B3 (en) * | 2020-01-25 | 2021-04-22 | MOEWE Optical Solutions GmbH | Device for large-area laser processing for grain orientation of electrical steel sheets |
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2022
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| WO2000058050A1 (en) * | 1999-03-26 | 2000-10-05 | Sig Positec Automation, Inc. | Laser inscribing system with traversing laser head |
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| Publication number | Publication date |
|---|---|
| CN115044757B (en) | 2024-01-02 |
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