A thickness detection device for optical film processing
By designing a thickness detection device for optical thin film processing, and utilizing a combination structure of a placement stage, a positioning frame, and a thickness gauge, the problem of inconvenience in fixing films of different lengths in existing devices is solved, achieving stable fixing and accurate detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANGZHOU KELAI PHOTOELECTRIC TECH CO LTD
- Filing Date
- 2025-09-19
- Publication Date
- 2026-07-24
AI Technical Summary
Existing optical thin film inspection devices are not convenient for fixing thin films of different lengths as needed.
A thickness detection device for optical thin film processing was designed. Through a combination structure of a placement stage, positioning frame, fastening bolts, pressure plate, lifting plate, positioning plate and limiting block, the device can fix the film and adjust its height, and detect the thickness using a thickness gauge.
It enables stable fixation and accurate thickness detection of films of different lengths, improving the flexibility and accuracy of the detection.
Smart Images

Figure CN224552358U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of thin film processing technology, and in particular to a thickness detection device for optical thin film processing. Background Technology
[0002] With the rapid development of national science and technology and the continuous improvement of economic level, the research prospects of optical thin films in my country are becoming increasingly broad. Optical thin films refer to one or more layers of thin films deposited on the surface of various materials such as optical glass, optical plastics, optical fibers, and crystals. Optical thin films are an important component of modern optical instruments and optical devices. In the process of thin film processing, in order to be suitable for different products, it is necessary to use a thickness detection device to detect the thickness of the optical thin film.
[0003] Patent document with announcement number (CN216645296U) discloses a thickness detection device for optical thin film processing, including an optical thin film thickness measuring instrument body, and further including: a support mechanism for supporting the optical component to be tested; a planar coordinate system moving mechanism disposed on the optical thin film thickness measuring instrument body for driving the support mechanism to move along the X-axis and Y-axis directions of a horizontal planar coordinate system, wherein the X-axis direction and the Y-axis direction are perpendicular to each other; and a moving damping mechanism disposed between the support mechanism and the planar coordinate system moving mechanism for damping the vibration transmitted from the planar coordinate system moving mechanism to the support mechanism.
[0004] When using the above technology, the following technical problems were found in the existing technology: the existing detection device is not convenient to fix films of different lengths as needed. Therefore, a thickness detection device for optical thin film processing is designed to provide another technical solution to the above technical problems. Utility Model Content
[0005] Therefore, it is necessary to provide a thickness detection device for optical thin film processing to address the above-mentioned technical problems, thereby solving the technical problem that existing detection devices are inconvenient to fix films of different lengths as needed.
[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0007] A thickness detection device for optical thin film processing includes a placement stage and a thickness gauge. Positioning frames are slidably connected to both ends of the placement stage. Two fastening bolts are threaded onto both sides of each positioning frame, and the fastening bolts are slidably connected to the placement stage. A pressure plate is slidably connected to the inner side of the positioning frame. A lifting plate is slidably connected to the inner top of the positioning frame. A positioning plate is slidably connected to one side of the lifting plate, and the positioning plate is slidably connected to the positioning frame. Second compression springs are fixed between the top of the pressure plate and the positioning frame, and on both sides of the lifting plate. A limit block is fixed to the end of the positioning plate away from the lifting plate, and a first compression spring is fixed to the end of the positioning plate adjacent to the lifting plate.
[0008] In a preferred embodiment of the thickness detection device for optical thin film processing provided by this utility model, the two fastening bolts on the same side have different heights.
[0009] In a preferred embodiment of the thickness detection device for optical thin film processing provided by this utility model, positioning holes are provided on both sides of the placement platform and at positions corresponding to the fastening bolts, and the positioning holes at the top and bottom are staggered.
[0010] In a preferred embodiment of the thickness detection device for optical thin film processing provided by this utility model, a fixed frame is fixed on one side of the placement stage, an adjusting plate is slidably connected to the front of the fixed frame, a connecting plate is slidably connected to the front of the adjusting plate, a thickness gauge is fixed on one side of the connecting plate, adjusting gears are rotatably connected to both ends of the adjusting plate located inside the fixed frame, the adjusting gears are meshed with the fixed frame, an adjusting drive motor is fixed inside the adjusting plate, and the output end of the adjusting drive motor is connected to the adjusting gears.
[0011] In a preferred embodiment of the thickness detection device for optical thin film processing provided by this utility model, a positioning limiting component is installed between the adjusting plate and the connecting plate. The limiting component includes a clamping plate, an anti-detachment block, a pressing frame, a lifting column, a tension spring, and a third compression spring. The clamping plate is slidably connected to the adjusting plate and to the connecting plate. Anti-detachment blocks are slidably connected to the bottom of both ends of the clamping plate. A third compression spring is fixed between the two anti-detachment blocks. A pressing frame is slidably connected inside the clamping plate and at the top of the anti-detachment block. A lifting column is slidably connected inside the top of the clamping plate, and the bottom of the lifting column is fixed to the pressing frame. A tension spring is fixed between the top of the pressing frame and the clamping plate and at the outside of the lifting column.
[0012] In a preferred embodiment of the thickness detection device for optical thin film processing provided by this utility model, the extrusion frame has symmetrically formed extrusion inclined surfaces at both ends.
[0013] It is clear without a doubt that the technical solution described above in this application can solve the technical problem that this application aims to address.
[0014] At the same time, through the above technical solutions, this utility model has at least the following beneficial effects:
[0015] This utility model provides a thickness detection device for optical thin film processing. Through the cooperation of a placement stage, a fixing frame, a positioning frame and a thickness gauge, the optical thin film can be placed on the top of the placement stage and then pressed and fixed by the pressure plate inside the positioning frame. At the same time, the height of the thickness gauge can be adjusted by the lifting and lowering of the adjustment plate, so as to detect the thickness of the optical thin film on the top of the placement stage by the thickness gauge.
[0016] By using fastening bolts, lifting plate, positioning plate and limiting block together, the positioning plate can be brought close to the lifting plate, which will drive the pressure plate to rise inside the positioning frame. The limiting block at the top of the positioning frame will prevent the pressure plate from falling. At the same time, the fastening bolts will fix the positioning frame to the outside of the placement platform.
[0017] By adjusting the gear and the clamping plate, the connecting plate can be slidably assembled with the adjusting plate, and the clamping plate can be used to fix the adjusting plate and the connecting plate. The height of the adjusting plate inside the fixed frame can be adjusted by rotating the gear. Attached Figure Description
[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the positioning frame of this utility model;
[0021] Figure 3 This is a schematic diagram of the structure of the pressure plate of this utility model;
[0022] Figure 4 This is a schematic diagram of the internal structure of the lifting plate of this utility model;
[0023] Figure 5 This is a schematic diagram of the connecting plate of this utility model;
[0024] Figure 6 This is a schematic diagram of the internal structure of the adjusting plate of this utility model;
[0025] Figure 7 This is a schematic diagram of the internal structure of the card plate of this utility model.
[0026] In the diagram: 1. Placement platform; 2. Fixing frame; 3. Positioning frame; 4. Fastening bolt; 5. Positioning hole; 6. Pressure plate; 7. Lifting plate; 8. Positioning plate; 9. Limiting block; 10. First compression spring; 11. Second compression spring; 12. Adjusting plate; 13. Thickness gauge; 14. Connecting plate; 15. Adjusting gear; 16. Adjusting drive motor; 17. Clamping plate; 18. Anti-detachment block; 19. Extrusion frame; 20. Lifting column; 21. Tension spring; 22. Third compression spring. Detailed Implementation
[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0028] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
[0029] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.
[0030] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0031] Reference Figures 1-7 A thickness detection device for optical thin film processing includes a placement stage 1 and a thickness gauge 13. Both ends of the placement stage 1 are slidably connected to positioning frames 3, so that the two positioning frames 3 can move towards or away from each other on the placement stage 1. Both sides of the positioning frame 3 are threadedly connected to two fastening bolts 4, and the two fastening bolts 4 on the same side are at different heights. The fastening bolts 4 are slidably connected to the placement stage 1, so that when the fastening bolts 4 enter the interior of the placement stage 1, the positioning frame 3 cannot move on the outside of the placement stage 1.
[0032] Preferably, positioning holes 5 are provided on both sides of the two ends of the placement platform 1 and at positions corresponding to the fastening bolts 4, and the top positioning holes 5 and the bottom positioning holes 5 are staggered, so that any fastening bolt 4 of different heights can be inserted into the corresponding positioning hole 5 according to the moving position of the positioning frame 3 on the outside of the placement platform 1, thereby fixing the position of the positioning frame 3 on the outside of the placement platform 1.
[0033] A pressure plate 6 is slidably connected to the inner side of the positioning frame 3, so that the pressure plate 6 descends inside the positioning frame 3 to press and fix the optical film placed on the top of the placement platform 1. A lifting plate 7 is slidably connected to the inside of the top of the positioning frame 3, so that the lifting plate 7 can slide up and down inside the positioning frame 3. A positioning plate 8 is slidably connected to one side of the lifting plate 7. The positioning plate 8 is slidably connected to the positioning frame 3, so that the lifting plate 7 and the positioning plate 8 slide up and down synchronously inside the positioning frame 3. At the same time, the positioning plate 8 can move closer to or further away from the side of the lifting plate 7.
[0034] A second compression spring 11 is fixed between the top of the pressure plate 6 and the positioning frame 3 and on both sides of the lifting plate 7. The rising of the lifting plate 7 causes the second compression spring 11 to be compressed. Then, after the optical film is placed on the top of the placement platform 1, the lifting plate 7 is released, and the lifting plate 7 is allowed to fall due to the rebound after being compressed by the second compression spring 11. The pressure plate 6 then presses and fixes the optical film. A limit block 9 is fixed at the end of the positioning plate 8 away from the lifting plate 7. When the limit block 9 is at the top of the positioning frame 3, the upward pull on the lifting plate 7 can be released. A first compression spring 10 is fixed at the end of the positioning plate 8 adjacent to the lifting plate 7. When the positioning plate 8 is close to the lifting plate 7, the first compression spring 10 is compressed. At the same time, when the positioning plate 8 is in contact with the lifting plate 7, the rising of the lifting plate 7 and the positioning plate 8 causes the limit block 9 to rise and be located at the top of the positioning frame 3.
[0035] A mounting frame 2 is fixed to one side of the placement platform 1. An adjusting plate 12 is slidably connected to the front of the mounting frame 2, allowing the adjusting plate 12 to be height-adjusted inside the mounting frame 2. A connecting plate 14 is slidably connected to the front of the adjusting plate 12. A thickness gauge 13 is fixed to one side of the connecting plate 14, allowing the thickness of the optical film on the top of the placement platform 1 to be measured by the thickness gauge 13. The thickness gauge 13 can be replaced or removed by sliding the connecting plate 14 and the adjusting plate 12. Adjusting gears 15 are rotatably connected to both ends of the adjusting plate 12 located inside the mounting frame 2. The adjusting gears 15 are meshed with the mounting frame 2, allowing the adjusting plate 12 to be raised and lowered inside the mounting frame 2 by meshing with the rack inside the mounting frame 2. An adjusting drive motor 16 is fixed inside the adjusting plate 12, and the output end of the adjusting drive motor 16 is connected to the adjusting gear 15, causing the adjusting drive motor 16 to drive the adjusting gear 15 to rotate.
[0036] A positioning limiting component is installed between the adjusting plate 12 and the connecting plate 14. The limiting component includes a clamping plate 17, an anti-detachment block 18, a pressing frame 19, a lifting column 20, a tension spring 21, and a third compression spring 22. The clamping plate 17 is slidably connected to the adjusting plate 12 and to the connecting plate 14, so that after the connecting plate 14 enters the sliding adjusting plate 12, the clamping plate 17 descends from the top of the adjusting plate 12 and enters the adjusting plate 12 and the connecting plate 14. The bottom of both ends of the clamping plate 17 is slidably connected to the anti-detachment block 18, and the anti-detachment block 18 is L-shaped, so that when the anti-detachment block 18 is located at the bottom of the adjusting plate 12 and extends out of the clamping plate 17, the clamping plate 17 and the adjusting plate 12 cannot be separated. The third compression spring 22 is fixed between the two anti-detachment blocks 18, so that when the two anti-detachment blocks 18 are close together, they drive the third compression spring 22 to compress, at which time the clamping plate 17 and the adjusting plate 12 can be assembled or disassembled.
[0037] An extrusion frame 19 is slidably connected inside the card plate 17 and on top of the anti-detachment block 18, so that the extrusion frame 19 can only slide up and down inside the card plate 17. The two ends of the extrusion frame 19 are symmetrically provided with extrusion ramps, so that the tops of the two extrusion ramps are close to one end, and the extrusion frame 19 descends to extrude the anti-detachment block 18, bringing the two anti-detachment blocks 18 closer together. A lifting column 20 is slidably connected inside the top of the card plate 17, and the bottom of the lifting column 20 is fixed to the extrusion frame 19, so that the descent of the lifting column 20 causes the extrusion frame 19 to descend synchronously. A tension spring 21 is fixed between the top of the extrusion frame 19 and the card plate 17 and on the outside of the lifting column 20, so that the descent of the extrusion frame 19 causes the tension spring 21 to stretch.
[0038] In this embodiment, each structure has its own service life. In actual manufacturing and application, the corresponding structure made of different materials can be replaced according to the needs of use.
[0039] In this embodiment, the motor is a self-locking motor, which can drive the connected structure to rotate normally when it is powered on and working. When the motor stops working, it can prevent the connected structure from rotating through its self-locking function.
[0040] The process of using the thickness detection device for optical thin film processing provided by this utility model is as follows: Before use, squeeze the positioning plate 8 so that the positioning plate 8 is close to the lifting plate 7 and drives the first compression spring 10 to compress. Then pull the lifting plate 7 so that the lifting plate 7 and the positioning plate 8 rise synchronously and drive the limiting block 9 to the top of the positioning frame 3. Then release the squeeze on the positioning plate 8 so that the positioning plate 8 is reset by the rebound after being compressed by the first compression spring 10. The lifting plate 7 and the positioning plate 8 are positioned at a height on the positioning frame 3 by the limiting block 9, so that there is a gap between the bottom of the pressure plate 6 and the placement table 1.
[0041] Then, after the optical film is placed on top of the placement stage 1, the positioning plate 8 is squeezed again, so that the limiting block 9 can slide into the bottom of the inner side of the positioning frame 3, so that the pressure plate 6 descends inside the positioning frame 3, and the optical film on top of the placement stage 1 is squeezed and fixed by the pressure plate 6.
[0042] Then, by adjusting the operation of the drive motor 16 to drive the adjustment gear 15 to rotate, and by the meshing connection between the adjustment gear 15 and the fixed frame 2, the adjustment plate 12 is lowered inside the fixed frame 2. The descent of the adjustment plate 12 drives the thickness gauge 13 to descend through the connecting plate 14. The thickness gauge 13 is used to detect the thickness of the optical film on the top of the placement stage 1.
[0043] When the thickness gauge 13 needs to be replaced, the lifting column 20 is lowered, causing the lifting column 20 to drive the pressing frame 19 to descend and stretch the tension spring 21. At this time, the descent of the pressing frame 19 presses the anti-detachment block 18, causing the two anti-detachment blocks 18 to come closer and drive the third compression spring 22 to compress. At this time, the anti-detachment block 18 is completely inserted into the clamping plate 17. Then, the clamping plate 17 is raised to disengage from the adjusting plate 12, separating the connecting plate 14 from the adjusting plate 12, and the thickness gauge 13 is replaced.
[0044] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the present utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A thickness measuring device for optical thin film processing, comprising a stage (1) and a thickness gauge (13), characterized in that, The two ends of the placement platform (1) are slidably connected to positioning frames (3). Two fastening bolts (4) are threadedly connected to both sides of the positioning frame (3), and the fastening bolts (4) are slidably connected to the placement platform (1). A pressure plate (6) is slidably connected to the inner side of the positioning frame (3). A lifting plate (7) is slidably connected to the top of the positioning frame (3). A positioning plate (8) is slidably connected to one side of the lifting plate (7). The positioning plate (8) is slidably connected to the positioning frame (3). A second compression spring (11) is fixed between the top of the pressure plate (6) and the positioning frame (3) and on both sides of the lifting plate (7). A limit block (9) is fixed at the end of the positioning plate (8) away from the lifting plate (7). A first compression spring (10) is fixed at the end of the positioning plate (8) adjacent to the lifting plate (7).
2. The thickness detection device for optical thin film processing according to claim 1, characterized in that, The two fastening bolts (4) on the same side have different heights.
3. The thickness detection device for optical thin film processing according to claim 2, characterized in that, Positioning holes (5) are provided on both sides of the placement platform (1) and at positions corresponding to the fastening bolts (4), and the positioning holes (5) at the top and bottom are staggered.
4. The thickness detection device for optical thin film processing according to claim 1, characterized in that, A fixed frame (2) is fixed on one side of the placement platform (1). An adjustment plate (12) is slidably connected to the front of the fixed frame (2). A connecting plate (14) is slidably connected to the front of the adjustment plate (12). A thickness gauge (13) is fixed on one side of the connecting plate (14). Adjustment gears (15) are rotatably connected to both ends of the adjustment plate (12) located inside the fixed frame (2). The adjustment gears (15) are meshed with the fixed frame (2). An adjustment drive motor (16) is fixed inside the adjustment plate (12). The output end of the adjustment drive motor (16) is connected to the adjustment gear (15).
5. The thickness detection device for optical thin film processing according to claim 4, characterized in that, A positioning limiting component is installed between the adjusting plate (12) and the connecting plate (14). The limiting component includes a clamping plate (17), an anti-detachment block (18), a pressing frame (19), a lifting column (20), a tension spring (21), and a third compression spring (22). The clamping plate (17) is slidably connected to the adjusting plate (12) and to the connecting plate (14). The bottom of both ends of the clamping plate (17) is slidably connected to the anti-detachment block (18). A third compression spring (22) is fixed between the two anti-detachment blocks (18). The pressing frame (19) is slidably connected inside the clamping plate (17) and at the top of the anti-detachment block (18). The lifting column (20) is slidably connected inside the top of the clamping plate (17). The bottom of the lifting column (20) is fixed to the pressing frame (19). The top of the pressing frame (19) is fixed to the clamping plate (17) and at the outside of the lifting column (20). A tension spring (21) is fixed between the top of the pressing frame (19) and the clamping plate (17) and at the outside of the lifting column (20).
6. The thickness detection device for optical thin film processing according to claim 5, characterized in that, The extrusion frame (19) has symmetrical extrusion slopes at both ends inside.