CN221326362U - Laser scanner for detecting surface defects of optical element - Google Patents
Laser scanner for detecting surface defects of optical element Download PDFInfo
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- CN221326362U CN221326362U CN202323295813.1U CN202323295813U CN221326362U CN 221326362 U CN221326362 U CN 221326362U CN 202323295813 U CN202323295813 U CN 202323295813U CN 221326362 U CN221326362 U CN 221326362U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 59
- 230000007547 defect Effects 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000013519 translation Methods 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 244000309464 bull Species 0.000 claims description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 abstract 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000005305 interferometry Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004297 night vision Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of optical element detection, in particular to a laser scanner for detecting surface defects of an optical element, which comprises a base, a laser scanner and a camera detector, wherein a translation mechanism is arranged on the rear side of the top of the base, the translation mechanism comprises a translation block, the top of the translation block is fixedly connected with a frame through a bolt, and the top of the frame is fixedly connected with an electric telescopic rod through a bolt. The utility model has the advantage of being capable of comprehensively detecting the surface defects of the optical element to be detected, the screw rod II is driven to rotate by controlling the operation of the motor II to drive the moving block, the rotating mechanism and the fixing mechanism to move, the distance between the optical element to be detected and the laser scanner and the camera detector is regulated, the laser scanner and the camera detector are driven to move up and down and left and right by controlling the operation of the motor I and the electric telescopic rod, the side defects of the optical element to be detected are detected, and the utility model is suitable for detecting the optical elements with different specifications.
Description
Technical Field
The utility model relates to the technical field of optical element detection, in particular to a laser scanner for detecting surface defects of an optical element.
Background
Along with the rapid development of modern processing technology, precision optical elements are increasingly and widely applied to national defense and military industry and civil fields such as high-power laser systems, infrared night vision low-light imaging systems, aviation lenses, semiconductor processing and manufacturing, photoetching equipment and the like, and the fields have very strict technical requirements on surface defects of the elements, and a laser scanner is needed in the detection of the surface defects of the optical elements.
Through searching, the invention with the patent number of CN109099859B and the name of the three-dimensional morphology measuring device and method for the surface defect of the large-caliber optical element comprises a transient interferometry system, and research analysis shows that the device and the method have the advantages of rapid scanning measurement, but have the following disadvantages to a certain extent.
For example, the distance between the optical element and the laser scanner cannot be adjusted, the detection requirements of the optical elements with different specifications cannot be met, meanwhile, the optical elements with different specifications cannot be conveniently fixed and turned over for adjustment detection, the optical elements with different specifications are required to be detached after one side is detected, and then the optical elements are fixed and detected after being turned over, so that the operation is inconvenient.
Disclosure of utility model
The utility model aims to provide a laser scanner for detecting surface defects of optical elements, which has the advantages of adjusting detection intervals, being applicable to detection and turnover of optical elements with different specifications, and solves the problems that the distance between the optical elements and the laser scanner cannot be adjusted and the fixation and turnover adjustment detection of the optical elements with different specifications are inconvenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an optical element surface defect detects and uses laser scanner, includes base, laser scanner and camera detector, translation mechanism is installed to the rear side at base top, translation mechanism includes the translation piece, bolt fixedly connected with frame is passed through at the top of translation piece, bolt fixedly connected with electric telescopic handle is passed through at the top of frame, electric telescopic handle's output runs through the frame and passes through bolt and laser scanner's top fixed connection, camera detector installs on laser scanner's right side, moving mechanism is installed to the front side at base top, moving mechanism includes the movable block, slewing mechanism is installed at the top of movable block, slewing mechanism includes the bull stick, fixed establishment is installed at the top of bull stick, fixed establishment's surface mounting has the optical element that waits to detect.
Preferably, the translation mechanism comprises a U-shaped plate, the bottom of the U-shaped plate is fixedly connected with the rear side of the top of the base through a bolt, the right side of the U-shaped plate is fixedly connected with a first motor through a bolt, a rotating shaft of the first motor penetrates through the U-shaped plate and is fixedly connected with a first screw rod, the left end of the first screw rod is rotationally inlaid on the left side of the U-shaped plate through a bearing, a translation block is sleeved on the surface of the first screw rod in a threaded manner, a guide rod is arranged in a right sliding manner of the translation block in a penetrating manner, and two ends of the guide rod are fixedly connected with the inner wall of the U-shaped plate.
Preferably, the moving mechanism comprises a second motor, one side of the second motor is fixedly connected with the front surface of the base through a bolt, a rotating shaft of the second motor penetrates through the base and is fixedly connected with a second screw rod, the rear end of the second screw rod is rotationally inlaid on the surface of the base through a bearing, and the moving block is sleeved on the surface of the second screw rod through threads.
Preferably, the rotating mechanism comprises a fixed frame, the bottom of the fixed frame is fixedly connected with the top of the moving block through a bolt, one end of the rotating rod is rotationally inlaid at the top of the fixed frame through a bearing, the left side of the fixed frame is fixedly connected with a motor III through a bolt, the rotating shaft of the motor III and the bottom of the rotating rod are fixedly connected with bevel gears, and the two bevel gears are meshed with each other.
Preferably, the fixing mechanism comprises a guide rail, the bottom of guide rail and the top fixed connection of bull stick, the inner wall slip joint of guide rail has the slider, the top screw thread of slider is inlayed and is connected with fastening bolt, the top fixedly connected with riser of slider, one side screw thread of riser is inlayed and is connected with fixing bolt, fixing bolt's one end fixedly connected with support, one side fixedly connected with rubber pad of fixing bolt is kept away from to the support, the surface of rubber pad and the surface contact of waiting to detect optical element.
Preferably, the bottom of base is through bolt fixedly connected with support frame, the gyro wheel is all installed in the four corners of fixed frame bottom.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model has the advantage of being capable of detecting the surface defects of the optical element to be detected comprehensively by matching the laser scanner, the camera detector, the frame, the electric telescopic rod, the U-shaped plate, the motor I, the screw rod I, the translation block, the guide rod, the motor II, the screw rod II and the moving block, driving the moving block, the rotating mechanism and the fixing mechanism to move by controlling the operation of the motor II, adjusting the distance between the optical element to be detected and the laser scanner and the camera detector, and enabling the laser scanner and the camera detector to move up and down and left and right by controlling the operation of the motor I and the electric telescopic rod, thereby being suitable for detecting the side defects of the optical element to be detected and being applicable to the detection of optical elements with different specifications.
According to the utility model, through the cooperation of the fixing frame, the rotating rod, the motor III, the bevel gear, the guide rail, the sliding block, the fastening bolt, the vertical plate, the fixing bolt, the support and the rubber pad, the optical element to be detected can be rapidly fixed and rotationally adjusted, the optical elements with different specifications can be fixed, the optical elements are not required to be disassembled after one side is detected, and are fixedly detected after the optical elements are overturned, and only the operation of the motor III is controlled to rotate the fixing mechanism under the action of bevel gear transmission, so that the optical element to be detected is rotated 180 degrees to detect side defects.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a bottom perspective view of the present utility model;
FIG. 3 is a schematic perspective view of a translation mechanism according to the present utility model;
FIG. 4 is a perspective view of a rotary mechanism according to the present utility model;
Fig. 5 is a partially exploded perspective view of the securing mechanism of the present utility model.
In the figure: 1. a base; 2. a laser scanner; 3. a camera detector; 4. a translation mechanism; 41. a U-shaped plate; 42. a first motor; 43. a first screw rod; 44. a translation block; 45. a guide rod; 5. a frame; 6. an electric telescopic rod; 7. a moving mechanism; 71. a second motor; 72. a second screw rod; 73. a moving block; 8. a rotating mechanism; 81. a fixed frame; 82. a rotating rod; 83. a third motor; 84. bevel gears; 9. a fixing mechanism; 91. a guide rail; 92. a slide block; 93. a fastening bolt; 94. a riser; 95. a fixing bolt; 10. an optical element to be detected; 11. a support frame; 12. and a roller.
Detailed Description
Referring to fig. 1-5, a laser scanner for detecting surface defects of an optical element comprises a base 1, a laser scanner 2 and a camera detector 3, wherein a translation mechanism 4 is installed at the rear side of the top of the base 1, the translation mechanism 4 comprises a translation block 44, the top of the translation block 44 is fixedly connected with a frame 5 through bolts, the top of the frame 5 is fixedly connected with an electric telescopic rod 6 through bolts, the output end of the electric telescopic rod 6 penetrates through the frame 5 and is fixedly connected with the top of the laser scanner 2 through bolts, the camera detector 3 is installed on the right side of the laser scanner 2, a moving mechanism 7 is installed at the front side of the top of the base 1, the moving mechanism 7 comprises a moving block 73, a rotating mechanism 8 is installed at the top of the moving block 73, the rotating mechanism 8 comprises a rotating rod 82, the top of the rotating rod 82 is provided with a fixing mechanism 9, and the surface of the fixing mechanism 9 is provided with an optical element 10 to be detected.
Referring to fig. 1 and 3, the translation mechanism 4 includes a U-shaped plate 41, the bottom of the U-shaped plate 41 is fixedly connected with the rear side of the top of the base 1 through a bolt, the right side of the U-shaped plate 41 is fixedly connected with a first motor 42 through the bolt, a rotating shaft of the first motor 42 penetrates through the U-shaped plate 41 and is fixedly connected with a first screw rod 43, the left end of the first screw rod 43 is rotationally inlaid on the left side of the U-shaped plate 41 through a bearing, a translation block 44 is in threaded sleeve on the surface of the first screw rod 43, the right side of the translation block 44 penetrates through a guide rod 45, the translation block 44 is guided and limited through the guide rod 45, meanwhile, the stress of the first screw rod 43 is reduced, and two ends of the guide rod 45 are fixedly connected with the inner wall of the U-shaped plate 41.
Referring to fig. 1, 2 and 4, the moving mechanism 7 includes a second motor 71, one side of the second motor 71 is fixedly connected with the front surface of the base 1 through a bolt, a rotating shaft of the second motor 71 penetrates through the base 1 and is fixedly connected with a second screw rod 72, by arranging the second screw rod 72, the moving block 73 is moved under the rotation of the rotating shaft of the second motor 71 to drive the optical element 10 to be detected to move and adjust, the rear end of the second screw rod 72 is rotationally inlaid on the surface of the base 1 through a bearing, and the moving block 73 is in threaded sleeve on the surface of the second screw rod 72.
Referring to fig. 4, the rotation mechanism 8 includes a fixed frame 81, the bottom of the fixed frame 81 is fixedly connected with the top of the moving block 73 through a bolt, one end of a rotating rod 82 is rotatably embedded at the top of the fixed frame 81 through a bearing, the left side of the fixed frame 81 is fixedly connected with a motor III 83 through a bolt, the rotating shaft of the motor III 83 and the bottom of the rotating rod 82 are fixedly connected with bevel gears 84, and by arranging the bevel gears 84, the driving transmission direction of the motor III 83 is changed, so that the vertical rotating rod 82 rotates, and the two bevel gears 84 are meshed with each other.
Referring to fig. 1 and 5, the fixing mechanism 9 includes a guide rail 91, the bottom of the guide rail 91 is fixedly connected with the top end of the rotating rod 82, a sliding block 92 is slidably clamped on the inner wall of the guide rail 91, a fastening bolt 93 is embedded and connected on the top thread of the sliding block 92, a vertical plate 94 is fixedly connected on the top of the sliding block 92, a fixing bolt 95 is embedded and connected on one side of the vertical plate 94, a support is fixedly connected with one end of the fixing bolt 95, a rubber pad is fixedly connected on one side of the support away from the fixing bolt 95, and by arranging the rubber pad, friction between the support and the optical element 10 to be detected is increased, meanwhile, the fixing stability is improved, and the surface of the rubber pad is contacted with the surface of the optical element 10 to be detected.
Referring to fig. 1 and 4, the bottom of the base 1 is fixedly connected with a supporting frame 11 through bolts, the supporting frame 11 is arranged to support the base 1, so that the base 1 is at a certain height from the ground, the base is convenient to carry, rollers 12 are installed at four corners of the bottom of a fixed frame 81, the fixed frame 81 is supported through the rollers 12, and the stress of the moving block 73 on the screw rod two 72 is reduced.
When in use, the device is externally connected with a power supply and a computer through wires, the distance between the two vertical plates 94 is adjusted according to the specification of the optical element 10 to be detected, then the fastening bolt 93 is rotated, the two sliding blocks 92 and the vertical plates 94 are positioned, the optical element 10 to be detected is arranged between the two vertical plates 94, then the fixing bolt 95 is rotated to move the fixing bolt, the support and the rubber pad are moved, the surface of the rubber pad is tightly contacted and fixed with the optical element 10 to be detected, the operation of the motor II 71 is controlled to rotate the screw rod II 72, the driving moving block 73, the rotating mechanism 8 and the fixing mechanism 9 are further moved, the distance between the optical element 10 to be detected and the laser scanner 2 and the camera detector 3 is adjusted, through controlling the operation of the motor I42 and the electric telescopic rod 6, the operation of the motor I42 enables the screw rod I43 to rotate, then enables the moving block 73 and the frame 5 to move, enables the laser scanner 2 and the camera detector 3 to move up and down and left and right under the telescopic cooperation of the electric telescopic rod 6, performs laser scanning and shooting on the side face of the optical element 10 to be detected, performs defect detection on the optical element, performs contrast calculation on data through a computer, locates the defect position of the optical element, and when the other side face needs to be detected, controls the operation of the motor III 83 to enable the fixing mechanism 9 to rotate under the action of bevel gear 84 transmission, and further enables the optical element 10 to be detected to rotate 180 degrees for side face defect detection.
To sum up: this optical element surface defect detects and uses laser scanner cooperates through translation mechanism 4, frame 5, electric telescopic link 6, moving mechanism 7, rotary mechanism 8 and fixed establishment 9, has solved the distance that can not adjust between optical element and the laser scanner, is inconvenient for fixing and overturn and adjusts the problem that detects to the optical element of different specifications.
Claims (6)
1. The utility model provides a laser scanner for optical element surface defect detection, includes base (1), laser scanner (2) and camera detector (3), its characterized in that: translation mechanism (4) are installed to the rear side at base (1) top, translation mechanism (4) include translation piece (44), rotation mechanism (8) are installed at the top of translation piece (44) through bolt fixedly connected with frame (5), the top of frame (5) is through bolt fixedly connected with electric telescopic handle (6), the output of electric telescopic handle (6) runs through frame (5) and through the top fixed connection of bolt with laser scanner (2), right side at laser scanner (2) is installed in camera detector (3), moving mechanism (7) are installed to the front side at base (1) top, moving mechanism (7) include movable block (73), rotation mechanism (8) are installed at the top of movable block (73), rotation mechanism (8) include bull stick (82), fixed establishment (9) are installed at the top of bull stick (82), the surface mounting of fixed establishment (9) has to wait to detect optical element (10).
2. The laser scanner for detecting surface defects of an optical element according to claim 1, wherein: the translation mechanism (4) comprises a U-shaped plate (41), the bottom of the U-shaped plate (41) is fixedly connected with the rear side of the top of the base (1) through bolts, the right side of the U-shaped plate (41) is fixedly connected with a first motor (42) through bolts, a rotating shaft of the first motor (42) penetrates through the U-shaped plate (41) and is fixedly connected with a first screw rod (43), the left end of the first screw rod (43) is rotationally inlaid on the left side of the U-shaped plate (41) through a bearing, a translation block (44) is sleeved on the surface of the first screw rod (43), the right side of the translation block (44) penetrates through a guide rod (45), and two ends of the guide rod (45) are fixedly connected with the inner wall of the U-shaped plate (41).
3. The laser scanner for detecting surface defects of an optical element according to claim 1, wherein: the moving mechanism (7) comprises a second motor (71), one side of the second motor (71) is fixedly connected with the front surface of the base (1) through a bolt, a rotating shaft of the second motor (71) penetrates through the base (1) and is fixedly connected with a second screw rod (72), the rear end of the second screw rod (72) is rotationally inlaid on the surface of the base (1) through a bearing, and a moving block (73) is sleeved on the surface of the second screw rod (72) through threads.
4. The laser scanner for detecting surface defects of an optical element according to claim 1, wherein: the rotating mechanism (8) comprises a fixed frame (81), the bottom of the fixed frame (81) is fixedly connected with the top of the moving block (73) through a bolt, one end of the rotating rod (82) is rotationally inlaid at the top of the fixed frame (81) through a bearing, the left side of the fixed frame (81) is fixedly connected with a motor III (83) through a bolt, the rotating shaft of the motor III (83) and the bottom of the rotating rod (82) are fixedly connected with bevel gears (84), and the two bevel gears (84) are meshed with each other.
5. The laser scanner for detecting surface defects of an optical element according to claim 1, wherein: the utility model provides a fixing mechanism (9) is including guide rail (91), the top fixedly connected with of bottom and bull stick (82) of guide rail (91), the inner wall slip joint of guide rail (91) has slider (92), the top screw thread of slider (92) is inlayed and is connected with fastening bolt (93), the top fixedly connected with riser (94) of slider (92), one side screw thread of riser (94) is inlayed and is connected with fixing bolt (95), one end fixedly connected with support of fixing bolt (95), one side fixedly connected with rubber pad of fixing bolt (95) is kept away from to the support, the surface of rubber pad and the surface contact of waiting to detect optical element (10).
6. The laser scanner for detecting surface defects of an optical element according to claim 4, wherein: the bottom of base (1) is through bolt fixedly connected with support frame (11), gyro wheel (12) are all installed in four corners of fixed frame (81) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323295813.1U CN221326362U (en) | 2023-12-05 | 2023-12-05 | Laser scanner for detecting surface defects of optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323295813.1U CN221326362U (en) | 2023-12-05 | 2023-12-05 | Laser scanner for detecting surface defects of optical element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221326362U true CN221326362U (en) | 2024-07-12 |
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ID=91793552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323295813.1U Active CN221326362U (en) | 2023-12-05 | 2023-12-05 | Laser scanner for detecting surface defects of optical element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221326362U (en) |
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2023
- 2023-12-05 CN CN202323295813.1U patent/CN221326362U/en active Active
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