CN115044757B - Automatic adjusting device for focus of parabolic mirror for laser scoring - Google Patents
Automatic adjusting device for focus of parabolic mirror for laser scoring Download PDFInfo
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- CN115044757B CN115044757B CN202210711269.5A CN202210711269A CN115044757B CN 115044757 B CN115044757 B CN 115044757B CN 202210711269 A CN202210711269 A CN 202210711269A CN 115044757 B CN115044757 B CN 115044757B
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- threaded rod
- inner ring
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000004088 simulation Methods 0.000 claims abstract description 4
- 230000001105 regulatory 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
- 238000000034 method Methods 0.000 abstract description 5
- 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
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 229910000976 Electrical steel Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 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
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 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
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- 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
-
- 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
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 the laser scoring parabolic mirror focus adjustment in the related art is complex in execution, low in accuracy and possibly has safety risks through manual calibration. In this device, two eccentric bearings are installed respectively in focus lifting roller both ends, and drive gear and an eccentric bearing's inner circle relative fixed connection, and drive gear and the concentric setting of inner circle, threaded rod and drive gear meshing transmission are connected, and servo motor and threaded rod drive are connected to drive threaded rod rotation, and 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. The method has the advantages that accurate curve simulation can be performed on the rotation scales and the lifting change heights of the focusing lifting roller, 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 notch parabolic lens focus adjustment, in particular to an automatic adjusting device for a laser notch parabolic lens focus.
Background
The oriented silicon steel is an important ferrosilicon alloy applied to an iron core, and the raw materials can generate internal stress in a silicon steel sheet after laser scoring treatment so as to improve the internal magnetic domain structure of the silicon steel sheet. In order to ensure the quality of the notch, the parabolic plane mirror needs to be periodically replaced in the daily maintenance process of the notch machine, and the focal position needs to be accurately adjusted after the mirror surface is replaced, so that energy aggregation is realized.
At present, laser focus adjustment needs to be manually calibrated, namely, a steel plate placed on a lifting roller is scored (the steel plate is scored 1 time by rotating a lifting roller handle by 30 degrees), the thinnest straight line is determined visually, and at the moment, the position of the lifting roller, which is applied, is the focus position. When the technician manually adjusts the position of the lifting roller, the distance between the lifting roller and the scanning cavity, the scale and the height are measured by using the vernier caliper for data recording once after the scale is adjusted, the mode is complex to execute, the accuracy is low, the repeatability is high, and because the working area is narrow, the technician has larger safety risk when adjusting the position of the lifting roller and measuring the distance between the lifting roller and the scanning cavity, mechanical injury accidents are extremely easy to be caused, so the defects of the traditional detection mode are obvious.
Disclosure of Invention
The application provides an automatic adjusting device for a laser scoring parabolic mirror focus, which solves the technical problems of complex execution, low accuracy and possible safety risk existing in the laser scoring parabolic mirror focus adjustment in the related technology through manual calibration.
The application provides an automatic regulating apparatus for laser nick parabolic mirror focus, including focus lifting roll, two eccentric bearings, drive gear, the threaded rod, servo motor, photoelectric encoder and PLC control system, focus lifting roll is used for adjusting the interval of waiting the panel and parabolic mirror, two eccentric bearings are installed respectively in focus lifting roll both ends, drive gear and an eccentric bearing's inner circle relative fixed connection, and drive gear and inner circle concentric setting, the threaded rod is connected with the transmission gear meshing transmission, servo motor is connected with the threaded rod drive, in order to drive threaded rod rotation, photoelectric encoder keeps away from drive gear's one end coaxial coupling with focus lifting roll, 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 arranged at intervals with the center of the inner ring, and the transmission gear is fixedly connected to the center of the inner ring.
Optionally, the center of the inner ring of the eccentric bearing is located in the eccentric hole of the inner ring, and the transmission gear is mounted at the end of the focusing lifting roller and is concentrically arranged with the inner ring of the eccentric bearing close to the transmission gear.
Optionally, the automatic regulating apparatus includes two focusing lifting rollers, two ends of the focusing lifting rollers are respectively configured with eccentric bearings, the eccentric bearings at one end of the focusing lifting rollers are respectively fixed with a transmission gear relatively, the transmission gear is engaged with the threaded rod for transmission connection, the other ends of the focusing lifting rollers are coaxially connected with photoelectric encoders, and the photoelectric encoders are connected with a PLC control system in a signal manner.
Optionally, the automatic adjusting device comprises two servo motors, and the two servo motors are respectively connected to two axial ends of the threaded rod.
Optionally, the PLC control system includes a PLC counter instruction, where the PLC counter instruction is configured 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 with the photoelectric encoder through PROFIBUS, and the PLC control system is connected with the servo motor through ETHERNET.
Optionally, the PLC control system includes a man-machine exchange interface, and the man-machine exchange interface is provided with an input box of a preset value.
Optionally, the threaded rod comprises a lead screw.
Optionally, the panel to be scribed comprises a steel plate.
The beneficial effects of the application are as follows: the utility model provides an automatic regulating apparatus for laser indentation parabolic mirror focus utilizes PLC automatic control focus to promote rising and decline of roller, specifically, PLC sends instruction control servo motor work, drive threaded rod rotation, with threaded rod meshing drive gear rotation, can drive the focus that installs in eccentric bearing promote the roller rotation, focus promotes the roller and carries out the adjustment of height under eccentric bearing's effect, accurately output pulse signal with focus lift roller coaxial coupling's photoelectric encoder, signal transmission is to PLC control system, PLC control system handles the back still steerable servo motor stop work, and carry out accurate curve simulation to focus lift roller rotation scale and lift change's height, can make learning curve, easy operation has, high production efficiency, safety production factor is strong beneficial effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of an automatic adjusting device for laser scoring parabolic mirror focus provided in the present application;
FIG. 2 is a schematic block diagram of an operational control involved in the automatic adjustment device provided in FIG. 1;
FIG. 3 is a schematic view of the eccentric bearing inner race and drive gear of FIG. 1 relatively fixed;
fig. 4 is another schematic view of the eccentric bearing inner race and the driving gear of fig. 1 relatively fixed.
The drawings are marked: 100-focusing lifting roller, 200-eccentric bearing, 210-inner ring, 211-eccentric hole, 300-transmission gear, 310-transmission gear setting place, 400-threaded rod, 500-servo motor, 600-photoelectric encoder.
Detailed Description
According to the embodiment of the application, the automatic adjusting device for the laser scoring parabolic mirror focus solves the technical problems that the laser scoring parabolic mirror focus adjustment in the related art is complicated to execute, low in accuracy and possibly has safety risks due to manual calibration.
The technical scheme in the embodiment of the application aims to solve the technical problems, and the overall thought is as follows:
the utility model provides an automatic regulating apparatus for laser nick parabolic mirror focus, including focus lifting roll, two eccentric bearings, drive gear, the threaded rod, servo motor, photoelectric encoder and PLC control system, focus lifting roll is used for adjusting the interval of waiting the panel and parabolic mirror, two eccentric bearings are installed respectively in focus lifting roll both ends, drive gear and the inner circle relative fixed connection of an eccentric bearing, and drive gear and the concentric setting of inner circle, threaded rod and drive gear meshing transmission are connected, servo motor and threaded rod drive connection, in order to drive 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 and servo motor are connected.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1, the present embodiment discloses an automatic adjusting device for a laser scoring parabolic mirror focus, which comprises a focus lifting 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 arranged at two ends of the focusing lifting roller 100, a transmission gear 300 is fixedly connected with an inner ring 210 of one eccentric bearing 200, the transmission gear 300 is concentrically arranged with the inner ring 210, 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 so as 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 utilized to automatically control the lifting and descending of the focusing lifting roller 100, the distance between the to-be-scribed plate and the parabolic mirror is finely adjusted through the focusing lifting roller 100, and the scribing is carried out on the to-be-scribed plate so as to obtain the focal position and related information of the specific parabolic mirror.
In detail, the PLC issues a command to control the servo motor 500 to operate, drives the threaded rod 400 to rotate, and drives the transmission gear 300 engaged with the threaded rod 400 to rotate, so as to drive the focus lifting roller 100 mounted on the eccentric bearing 200 to rotate, and the focus lifting roller 100 performs height adjustment under the action of the eccentric bearing 200, including lifting or lowering the height; the photoelectric encoder 600 is coaxially connected with the focusing and lifting roller 100, specifically, the focusing and lifting roller 100 drives the mechanical shaft of the photoelectric encoder 600 to rotate, and the photoelectric encoder 600 accurately outputs a pulse signal; the signal is sent to the PLC control system. The PLC control system can also control the servo motor 500 to stop working after processing, and perform accurate curve simulation on the rotation scale and the elevation change height of the focus lifting roller 100, so as to make a learning curve. Therefore, the technical problems of complicated execution, low accuracy and possible safety risk existing in the manual calibration of the laser scoring parabolic lens focus adjustment are solved, and the method has the advantages of simplicity in operation, high production efficiency and high safety production coefficient.
Alternatively, the automatic adjusting device may be provided with two sets of focusing and lifting rollers 100, wherein the focusing and lifting rollers 100 are used for fine-adjusting the distance between the to-be-scribed board and the parabolic mirror, and the two different focusing and lifting rollers 100 are arranged for different adjustment degrees of the to-be-scribed board, and the principle is similar to that of adjustment of millimeter scale level and centimeter scale level.
Specifically, referring to fig. 1, the automatic adjusting device includes two focus lifting rollers 100, two ends of the focus lifting rollers 100 are respectively configured with eccentric bearings 200, the eccentric bearings 200 at one end of the focus lifting rollers 100 are respectively fixed with a transmission gear 300, the transmission gears 300 are engaged with the threaded rod 400 for transmission connection, the other ends of the focus lifting rollers 100 are coaxially connected with photoelectric encoders 600, and the photoelectric encoders 600 are in signal connection with the PLC control system.
In general, a fine adjustment can be satisfied by providing two focus lift rollers 100, without the need for a solution involving three focus lift rollers 100.
Alternatively, as shown in fig. 1, in the case of providing two sets of focus lifting rollers 100, two servo motors 500 may be further provided, and the two servo motors 500 are respectively connected at both axial ends of the threaded rod 400.
Alternatively, the threaded rod 400 may include a screw rod, or a general rod with threads on the outer edge.
Optionally, the panel to be scribed comprises a steel plate, and the focal position of the changed parabolic mirror is determined by scribing the steel plate. The scribed plate may be provided with a special plate.
It will be appreciated that referring to fig. 1, the eccentric bearing 200 is provided with a bearing housing which is correspondingly mounted on a base-like structure to satisfy the above-described movement process. Accordingly, the servo motor 500 and the like perform a fixed mounting process.
Example 2
Based on the automatic adjusting device for laser scoring parabolic mirror focus of embodiment 1, the transmission gear 300 is relatively and fixedly connected with the inner ring 210 of the eccentric bearing 200, and the transmission gear 300 is concentrically arranged with the inner ring 210, which is specifically illustrated in the following embodiment.
In some embodiments, as shown in fig. 3, fig. 3 shows a driving gear arrangement 310, in which 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 driving gear 300 is fixedly coupled to the center of the inner ring 210. At this time, the inner ring 210 is directly connected to the driving gear 300, and the characteristic of this type of scheme is that the unit rotation of the driving gear 300 brings about a large degree of height change of the focus lifting roller 100, so that it is generally required to control the transmission ratio of the driving gear 300 to the threaded rod 400 to meet the purpose of fine adjustment.
In some embodiments, as shown in fig. 4, fig. 4 shows a drive gear arrangement 310, where the center of the inner ring 210 of the eccentric bearing 200 is located in the eccentric hole 211 of the inner ring 210, and the drive gear 300 is mounted to the end of the focus lift roller 100 and is arranged concentrically with the inner ring 210 of the eccentric bearing 200 near the drive gear 300. It can be appreciated that when the driving gear 300 rotates under the driving of the threaded rod 400, the position of the driving gear setting 310 in fig. 4 remains unchanged, the driving gear 300 drives the inner ring 210 to rotate through the focus lifting roller 100, and the inner ring 210 further assists the rotation track of the focus lifting roller 100.
Example 3
Based on the automatic adjusting device of the embodiment 1 and the embodiment 2, please refer to fig. 2, the PLC related to this embodiment is further limited.
Optionally, the PLC control system includes a PLC counter instruction, where the PLC counter instruction is configured 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 generate an 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 focus lifting 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 for accurately controlling the movement of the target object is formed.
As shown in fig. 2, regarding the generation of the interruption to control the stop of the servo motor 500, a servo amplifier may be provided to control the stop of the servo motor 500.
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 man-machine exchange interface, and the man-machine exchange 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.
And through the reference operation of the touch screen interface, various corresponding instructions of the programmable controller are sent, the logic relation is calculated to enable the equipment to complete the set adjusting action, and for the convenience of actual observation, program information can be displayed in real time through the editing of the PLC program instructions.
Also included in fig. 2 is an a/D converter for converting signals of the photoelectric encoder 600.
Also included in fig. 2 is an intermediate relay, involving the setup of the relevant circuitry, a hardware circuit including 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. It is therefore intended that the following claims be interpreted as including the 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 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.
Claims (10)
1. An automatic adjustment device for a laser scoring parabolic mirror focus, the automatic adjustment device comprising:
the focusing lifting roller is used for adjusting the distance between the to-be-scribed plate and the parabolic mirror;
the two eccentric bearings are respectively arranged at two ends of the focusing lifting roller;
the transmission gear is fixedly connected with the inner ring of one eccentric bearing relatively 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 so as 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
the PLC control system is in signal connection with the photoelectric encoder and is connected with the servo motor;
the PLC control system can control the servo motor to stop working after processing, and perform curve simulation on the rotation scale of the focusing lifting roller and the height of lifting change to make a learning curve.
2. The automatic adjustment device according to claim 1, wherein the eccentric hole of the inner ring of the eccentric bearing is spaced apart from the center of the inner ring, and the transmission gear is fixedly connected to the center of the inner ring.
3. The automatic adjustment device according to claim 1, wherein a center of the inner ring of the eccentric bearing is located in an eccentric hole of the inner ring, and the transmission gear is mounted to an end of the focus lift roller and is disposed concentrically with the inner ring of the eccentric bearing near the transmission gear.
4. The automatic adjusting device according to claim 1, wherein the automatic adjusting device comprises two focusing lifting rollers, the eccentric bearings are respectively arranged at two ends of each focusing lifting roller, the transmission gears are relatively fixed on the eccentric bearings at one end of each focusing lifting roller, the transmission gears are in meshed transmission connection with the threaded rods, the photoelectric encoders are coaxially connected to the other ends of the focusing lifting rollers, and the photoelectric encoders are in signal connection with the PLC control system.
5. The automatic adjustment device according to claim 4, characterized in that it comprises two servomotors, which are connected at the two axial ends of the threaded rod, respectively.
6. The automatic regulating apparatus according to claim 1, wherein the PLC control system includes a PLC counter instruction 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 regulating apparatus according to claim 6, wherein 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.
8. The automatic regulating apparatus of claim 6, wherein the PLC control system includes a human-machine exchange interface provided with an input box for the preset value.
9. The automatic adjustment device of claim 1, wherein the threaded rod comprises a lead screw.
10. The automatic adjustment device of claim 1, wherein the panel to be scored 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 CN115044757A (en) | 2022-09-13 |
| CN115044757B true CN115044757B (en) | 2024-01-02 |
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| CN202210711269.5A Active CN115044757B (en) | 2022-06-22 | 2022-06-22 | Automatic adjusting device for focus of parabolic mirror for laser scoring |
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| Publication number | Publication date |
|---|---|
| CN115044757A (en) | 2022-09-13 |
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