CN213068139U - Measuring device for laser divergence angle - Google Patents
Measuring device for laser divergence angle Download PDFInfo
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- CN213068139U CN213068139U CN202020307640.8U CN202020307640U CN213068139U CN 213068139 U CN213068139 U CN 213068139U CN 202020307640 U CN202020307640 U CN 202020307640U CN 213068139 U CN213068139 U CN 213068139U
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- divergence angle
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Abstract
The utility model provides a measuring device of laser divergence angle belongs to laser technical field, including workstation, fixing base, optical fiber splice mount pad, diaphragm system, dynamometer and industry control computer. The fixing seat is fixed on the workbench, the optical fiber connector mounting seat is arranged on the fixing seat, and the optical fiber connector is arranged on the optical fiber connector mounting seat; the diaphragm system is movably arranged on the fixed seat and is positioned on an emergent light path of the optical fiber connector. The power meter is arranged on the workbench, is positioned on an emergent light path of the optical fiber connector and is positioned at the downstream of the diaphragm system; the industrial control computer is electrically connected with the power meter. The device is simple to operate, has high measurement precision, and can effectively save the time for measuring the laser divergence angle.
Description
Technical Field
The utility model relates to a laser technical field, more specifically relates to a measuring device of laser divergence angle.
Background
With the rapid development of cutting technology, laser cutting machine equipment is used in various industries as a novel tool which is more and more mature, including laser cutting machines, laser engraving machines, laser marking machines, laser welding machines and the like. In the field of laser physics, laser beams diverge at a small angle during propagation. The divergence of the beam is approximately linear with the distance traveled, away from the narrowest point of the beam, corresponding to the beam forming a cone in the "far field". The divergence degree of the laser is represented by a laser divergence angle, and the laser divergence angle is used as an important index for representing the output characteristics of the laser, and has very important functions in the fields of laser communication, laser cutting and the like. In laser cutting, the laser divergence angle of the laser output by the optical fiber joint is the most important factor for judging the quality of the output beam. Whether the laser divergence angle meets the quality standard or not, how the consistency of the laser divergence angle is, the cutting quality is directly influenced, the laser divergence angle is too large, the laser cutting head is caused to generate heat, and even the laser cutting head is damaged due to overheating. Therefore, the laser divergence angle needs to be detected, but the laser divergence angle is limited by the current testing technology, and an integrator hardly detects the laser divergence angle, so that it is necessary to design a laser divergence angle measuring device which is convenient to operate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a measuring device of laser divergence angle, the device easy operation, measurement accuracy are high, can effectively save the time of measuring laser divergence angle.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a measuring device for a laser divergence angle comprises a workbench, a fixed seat, an optical fiber connector mounting seat, a diaphragm system, a power meter and an industrial control computer.
The fixed seat is fixed on the workbench, the optical fiber connector mounting seat is mounted on the fixed seat, and an optical fiber connector is mounted on the optical fiber connector mounting seat;
the diaphragm system is movably arranged on the fixed seat and is positioned on an emergent light path of the optical fiber connector;
the power meter is arranged on the workbench, is positioned on an emergent light path of the optical fiber connector and is positioned at the downstream of the diaphragm system;
and the industrial control computer is electrically connected with the power meter.
The utility model discloses in the preferred technical scheme, the diaphragm system includes diaphragm, sliding platform, control system and digital display device, sliding platform installs on the fixing base with fixing base sliding fit, the diaphragm is installed sliding platform is last, digital display device sets up sliding platform one side.
The utility model discloses in the preferred technical scheme, sliding platform includes sliding seat and two slide rails, two the slide rail is parallel to be fixed on the fixing base, the sliding seat is installed two on the slide rail with slide rail sliding fit.
In a preferred technical solution of the present invention, the control system includes a lead screw, a lead screw support, a connecting block and an adjusting hand wheel, the lead screw support is fixed on the workbench, the lead screw is mounted on the lead screw support and can rotate along its own axis, the length direction of the lead screw is the same as the length direction of the two slide rails, the connecting block is mounted on the lead screw, and the connecting block is fixedly connected with the slide seat; the adjusting hand wheel is installed on the screw rod support and connected with the screw rod.
In a preferred technical solution of the present invention, the control system includes a lead screw, a lead screw support, a connecting block and a motor, the lead screw support is fixed on the workbench, the lead screw is mounted on the lead screw support and can rotate along its own axis, the length direction of the lead screw is the same as the length direction of the two slide rails, the connecting block is mounted on the lead screw, and the connecting block is fixedly connected with the slide seat; the motor is installed on the screw rod support, and the output end of the motor is connected with the screw rod through a coupler.
The utility model discloses in the preferred technical scheme, the diaphragm periphery is equipped with the water-cooling seat, the water-cooling seat is fixed on the sliding seat and will the complete cladding of diaphragm lateral wall, be equipped with the water-cooling on the water-cooling seat and connect.
The utility model discloses in the preferred technical scheme, digital display device includes scale and vernier, the length direction of scale with the length direction of slide rail is unanimous, the vernier sets up on the scale, the vernier with connecting block fixed connection.
The utility model discloses in the preferred technical scheme, the zero scale department of scale is located lead screw support department.
The utility model discloses in the preferred technical scheme, fiber connector mount pad bottom is equipped with the adjusting screw that is used for height-adjusting.
The utility model has the advantages that:
the utility model provides a pair of measuring device of laser divergence angle, the device is through the position of adjusting the diaphragm system and the diameter of changing the diaphragm, has simplified the operating procedure of measuring the laser divergence angle, has avoidd the harsh requirement of original measurement laser divergence angle, can conveniently measure the laser divergence angle simply and conveniently, and measurement accuracy is high moreover, can know output energy's distributed characteristic directly perceivedly, can effectively save the time of measuring the laser divergence angle.
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 or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
fig. 1 is a perspective view of a device for measuring a laser divergence angle provided by the present invention;
FIG. 2 is a perspective view of the diaphragm system provided by the present invention mounted on a worktable;
fig. 3 is a schematic structural diagram of a diaphragm provided by the present invention;
fig. 4 is a front view of a laser divergence angle measuring apparatus provided by the present invention.
Reference numerals:
1. a work table; 2. a fixed seat; 3. an optical fiber connector mounting base; 4. a diaphragm system; 5. a power meter; 6. controlling an industrial personal computer; 21. an adjusting screw; 31. an optical fiber splice; 41. a digital display device; 42. a control system; 43. a diaphragm; 44. a sliding platform; 45. a water-cooling seat; 411. a scale; 412. a cursor; 421. a hand wheel; 422. a screw rod support; 423. connecting blocks; 424. a screw rod; 441. a slide rail; 442. a sliding seat; 451. and (5) water-cooling joints.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly. In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
As shown in fig. 1-4, a device for measuring a laser divergence angle includes a workbench 1, a fixed base 2, an optical fiber connector 31 mounting base 3, a diaphragm system 4, a power meter 5, and an industrial control computer 6.
The fixed seat 2 is fixed on the workbench 1, the optical fiber connector 31 mounting seat 3 is mounted on the fixed seat 2, and the optical fiber connector 31 is mounted on the optical fiber connector 31 mounting seat 3; the fixed seat 2 is fixed on the workbench 1, and the strength of the workbench 1 is enhanced. The light joint mounting base has multiple interfaces, can adapt to the installation that QBH connects, QD connects, Q + connects on the market.
The diaphragm system 4 is movably arranged on the fixed seat 2, and the diaphragm system 4 is positioned on an emergent light path of the optical fiber connector 31;
the power meter 5 is installed on the workbench 1, and the power meter 5 is located on an emergent light path of the optical fiber connector 31 and located at the downstream of the diaphragm system 4;
and the industrial control computer 6 is electrically connected with the power meter 5. The industrial control computer 6 is connected with the power meter 5, so that data of the power meter 5 can be conveniently and visually reflected, and the data are directly processed through image processing software, so that the time for post-processing the data is saved.
According to the device for measuring the laser divergence angle, the operation steps of measuring the laser divergence angle are simplified by adjusting the position of the diaphragm system 4 and replacing the diameter of the diaphragm 43, the original harsh requirement for measuring the laser divergence angle is avoided, the laser divergence angle can be conveniently and simply measured, the measurement precision is high, the distribution characteristic of output energy can be intuitively known, and the time for measuring the laser divergence angle can be effectively saved.
More specifically, after the optical fiber connector 31 is mounted on the optical fiber connector 31 mounting seat 3, the power supply is turned on, the position of the optical fiber connector 31 mounting seat 3 is adjusted, the laser beam of the optical fiber connector 31 passes through the diaphragm 43 and falls on the power meter 5, the information measured by the power meter 5 is transmitted to the industrial control computer 6, and the industrial control computer 6, as the brain of the device, can record and output the corresponding relationship between the aperture of the diaphragm 43 and the laser energy, calculate the laser divergence angle, and evaluate the laser energy distribution.
Further, as shown in fig. 2, the diaphragm system 4 includes a diaphragm 43, a sliding platform 44, a control system 42, and a digital display device 41, the sliding platform 44 is installed on the fixed base 2 and is in sliding fit with the fixed base 2, the diaphragm 43 is installed on the sliding platform 44, and the digital display device 41 is disposed on one side of the sliding platform 44. Furthermore, the sliding platform 44 includes a sliding seat 442 and two sliding rails 441, the two sliding rails 441 are fixed on the fixed seat 2 in parallel, and the sliding seat 442 is mounted on the two sliding rails 441 and slidably engaged with the sliding rails 441. The diaphragm 43 is installed behind the sliding platform 44, so that the sliding is convenient, and the relative position of the diaphragm 43 and the power meter 5 can be changed according to different interval points in the measuring process, thereby facilitating the measurement.
Further, the control system 42 includes a screw rod 424, a screw rod 424 support 422, a connecting block 423 and an adjusting hand wheel 421, the screw rod 424 support 422 is fixed on the workbench 1, the screw rod 424 is mounted on the screw rod 424 support 422 and can rotate along its own axis, the length direction of the screw rod 424 is the same as the length direction of the two slide rails 441, the connecting block 423 is mounted on the screw rod 424, and the connecting block 423 is fixedly connected with the sliding seat 442; the adjusting handwheel 421 is arranged on the screw rod 424 support 422 and is connected with the screw rod 424. The hand wheel 421 is rotated to drive the screw rod 424 to rotate, the screw rod 424 drives the connecting block 423 to move forward, the connecting block 423 drives the sliding platform 44 to slide on the sliding rail 441, and the distance between the diaphragm 43 and the dynamometer 5 is changed.
Further, the control system 42 includes a screw rod 424, a screw rod 424 support 422, a connecting block 423 and a motor, the screw rod 424 support 422 is fixed on the working table 1, the screw rod 424 is mounted on the screw rod 424 support 422 and can rotate along its own axis, the length direction of the screw rod 424 is the same as the length direction of the two slide rails 441, the connecting block 423 is mounted on the screw rod 424, and the connecting block 423 is fixedly connected with the sliding seat 442; the motor is arranged on the screw rod 424 support 422, and the output end of the motor is connected with the screw rod 424 through a coupler. The motor adopts a servo motor, the position of the diaphragm 43 can be automatically adjusted by butting the screw rod 424 with the servo motor, then the data of a motor encoder is read, and a pre-programmed algorithm program is introduced, so that automatic calculation can be realized; and (5) managing mass production.
Further, the periphery of the diaphragm 43 is provided with a water cooling seat 45, the water cooling seat 45 is fixed on the sliding seat 442 and completely covers the side wall of the diaphragm 43, and the water cooling seat 45 is provided with a water cooling joint 451. After the water-cooling joint 451 is externally connected with a cold water source, the diaphragm 43 can be cooled, and the diaphragm 43 is prevented from being damaged due to overhigh temperature; the water cooling seat 45 controls the temperature of the diaphragm 43 within a reasonable range, and prevents the measuring result of the laser divergence angle from being influenced by overhigh temperature.
Further, the digital display device 41 comprises a scale 411 and a cursor 412, the length direction of the scale 411 is consistent with the length direction of the slide rail 441, the cursor 412 is arranged on the scale 411, and the cursor 412 is fixedly connected with the connecting block 423. Further, the zero scale of the scale 411 is located at the support 422 of the lead screw 424. The scale 411 is used for displaying the distance of the diaphragm 43, the distance between the mounting base 3 of the optical fiber connector 31 and the power meter 5 is constant, and the distance between the diaphragm 43 and the power meter 5 can be known by reading the position of the diaphragm 43, that is, the distance can be used for calculating the laser divergence angle of the optical fiber connector 31.
Further, as shown in fig. 4, the bottom of the mounting seat 3 of the optical fiber connector 31 is provided with an adjusting screw 21 for adjusting the height. The adjusting screw 21 extends into the workbench 1, and the height and the levelness of the mounting seat 3 of the optical fiber connector 31 can be adjusted by adjusting the depth of the adjusting screw 21 extending into the workbench 1, so that the laser beam is perpendicular to the receiving plane of the power meter 5.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (9)
1. A measuring device of laser divergence angle is characterized in that: the device comprises a workbench, a fixed seat, an optical fiber connector mounting seat, a diaphragm system, a power meter and an industrial control computer;
the fixed seat is fixed on the workbench, the optical fiber connector mounting seat is mounted on the fixed seat, and an optical fiber connector is mounted on the optical fiber connector mounting seat;
the diaphragm system is movably arranged on the fixed seat and is positioned on an emergent light path of the optical fiber connector;
the power meter is arranged on the workbench, is positioned on an emergent light path of the optical fiber connector and is positioned at the downstream of the diaphragm system;
and the industrial control computer is electrically connected with the power meter.
2. The laser divergence angle measuring apparatus according to claim 1, characterized in that:
the diaphragm system includes diaphragm, sliding platform, control system and digital display device, sliding platform install on the fixing base with fixing base sliding fit, the diaphragm is installed sliding platform is last, the digital display device sets up sliding platform one side.
3. The laser divergence angle measuring apparatus according to claim 2, characterized in that:
the sliding platform comprises a sliding seat and two sliding rails, the two sliding rails are fixed on the fixed seat in parallel, and the sliding seat is arranged on the two sliding rails and is in sliding fit with the sliding rails.
4. The laser divergence angle measuring apparatus according to claim 3, characterized in that:
the control system comprises a screw rod, a screw rod support, a connecting block and an adjusting hand wheel, wherein the screw rod support is fixed on the workbench, the screw rod is installed on the screw rod support and can rotate along the axis of the screw rod support, the length direction of the screw rod is the same as the length direction of the two slide rails, the connecting block is installed on the screw rod, and the connecting block is fixedly connected with the slide seat; the adjusting hand wheel is installed on the screw rod support and connected with the screw rod.
5. The laser divergence angle measuring apparatus according to claim 3, characterized in that:
the control system comprises a screw rod, a screw rod support, a connecting block and a motor, wherein the screw rod support is fixed on the workbench, the screw rod is installed on the screw rod support and can rotate along the axis of the screw rod support, the length direction of the screw rod is the same as the length direction of the two sliding rails, the connecting block is installed on the screw rod, and the connecting block is fixedly connected with the sliding seat; the motor is installed on the screw rod support, and the output end of the motor is connected with the screw rod through a coupler.
6. The laser divergence angle measuring apparatus according to claim 5, characterized in that:
the diaphragm periphery is equipped with the water-cooling seat, the water-cooling seat is fixed on the sliding seat and will the diaphragm lateral wall cladding completely, be equipped with the water-cooling on the water-cooling seat and connect.
7. The laser divergence angle measuring apparatus according to any one of claims 4 to 6, wherein:
the digital display device comprises a scale and a vernier, the length direction of the scale is consistent with that of the sliding rail, the vernier is arranged on the scale, and the vernier is fixedly connected with the connecting block.
8. The laser divergence angle measuring apparatus according to claim 7, characterized in that:
and the zero scale of the scale is positioned at the screw rod support.
9. The laser divergence angle measuring apparatus according to claim 1, characterized in that:
and an adjusting screw for adjusting the height is arranged at the bottom of the optical fiber connector mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020307640.8U CN213068139U (en) | 2020-03-12 | 2020-03-12 | Measuring device for laser divergence angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020307640.8U CN213068139U (en) | 2020-03-12 | 2020-03-12 | Measuring device for laser divergence angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213068139U true CN213068139U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020307640.8U Active CN213068139U (en) | 2020-03-12 | 2020-03-12 | Measuring device for laser divergence angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213068139U (en) |
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2020
- 2020-03-12 CN CN202020307640.8U patent/CN213068139U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528311 Beijiao Town, Shunde District, Foshan, Guangdong, Beijiao, 8, two Pearl River Road, industrial park, Patentee after: Guangdong Hongshi Laser Technology Co.,Ltd. Address before: 528311 Beijiao Town, Shunde District, Foshan, Guangdong, Beijiao, 8, two Pearl River Road, industrial park, Patentee before: FOSHAN BEYOND LASER TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 528311 No. 4 Anye Road, Shunjiang Community Industrial Park, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Hongshi Laser Technology Co.,Ltd. Address before: 528311 Beijiao Town, Shunde District, Foshan, Guangdong, Beijiao, 8, two Pearl River Road, industrial park, Patentee before: Guangdong Hongshi Laser Technology Co.,Ltd. |