Complex structure optical thin film tool clamp

Abstract

The utility model relates to the technical field of optical film coating, in particular to an optical film tool clamp with a complex structure, which comprises a mounting disc, supporting columns arranged in a circumferential array are arranged at the bottom of the mounting disc, a mounting frame is further mounted on the diagonal supporting columns, a mounting table is further mounted in the middle of the mounting disc in a clamping and rotating manner, and square holes are formed in the mounting table in a circumferential array manner. A vertical rod is mounted in the bottom center of the mounting table; a tray is mounted in the upper center of the mounting table through a connecting piece; the clamping assemblies are all arranged in the square hole, and the clamping assemblies are used for clamping the optical element to be coated; the driving assembly is arranged at the bottom of the mounting table and used for driving the clamping assembly, and the optical thin film tool clamp of the complex structure is provided so as to solve the clamping problem of unconventional optical element products and the uniform film coating problem that a conventional clamp cannot rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of optical coating, in particular to a tooling fixture for optical films with complex structures. Background Art

[0002] Traditional optical coating tooling and fixtures have problems such as unstable clamping, uneven coating, and low efficiency when processing optical components with complex structures. Especially for optical components that require multi-sided coating, it is necessary to adjust the position of the fixture and component multiple times, which is not only time-consuming and labor-intensive, but also easily causes damage to the component. Therefore, there is an urgent need for a tooling and fixture that can efficiently and stably clamp optical components with complex structures.

[0003] In the prior art, a Chinese patent document with the announcement number CN214375354U proposes a fixture for optical coating processing, which is provided with a housing, a fixed rod is fixedly connected to one side of the housing, the fixed rod is fixedly connected to one side of the coating plate at one end away from the housing, a positioning plate is fixedly connected to the surface of one side of the housing, a slide groove is provided inside the positioning plate, a slider is slidably connected in the slide groove, one end of the slider is fixedly connected to a slide plate, one side of the slide plate is fixedly connected to a fixed cross plate, and one side of the housing is threadedly connected to a first threaded rod. The fixture for optical coating processing can fix optical elements of different sizes by providing a positioning plate, a slider, a slide plate, a first threaded rod, a first threaded hole, a first connecting block and a first rotating switch. However, consistent with conventional technology, the fixture can only clamp optical element products of conventional shapes, and cannot play a role in stably clamping optical element products of unconventional shapes, and has poor practicality. Therefore, the present application discloses a fixture for optical thin films with complex structures to solve the problem of clamping unconventional optical element products and the problem of uniform coating when conventional fixtures cannot rotate. Utility Model Content

[0004] The utility model aims to provide a complex structure optical film fixture to solve the problem of clamping unconventional optical element products and the problem of uniform coating when conventional fixtures cannot rotate.

[0005] Based on the above purpose, the utility model provides a complex structure optical film fixture, including: a mounting plate, a supporting column with a circumferential array is provided at the bottom of the mounting plate, a mounting frame is also installed on the diagonal supporting column, a mounting table is also rotatably installed in the middle of the mounting plate, a square hole is opened in a circumferential array on the mounting table, and a tray is installed at the upper center of the mounting table through a connecting piece;

[0006] A clamping assembly, each of which is disposed in the square hole and is used to clamp the optical element to be coated;

[0007] A driving assembly is arranged at the bottom of the mounting platform, and is used to drive the clamping assembly.

[0008] Preferably, the clamping assembly includes a clamping arm, which is L-shaped. A penetrating circular hole is opened at the turning point of the clamping arm. A first mounting rod is rotatably mounted in the circular hole, and both ends of the first mounting rod are mounted on the side walls of the square hole.

[0009] Preferably, a mounting hole is provided on the top side wall of the clamping arm, a horizontal guide rod is slidably installed in the mounting hole, a circular hole is provided at the inner end of the horizontal guide rod, a fourth mounting rod is inserted in the circular hole, a contact block is also installed at the inner end of the horizontal guide rod, a groove body is provided on the side wall of the end of the contact block close to the horizontal guide rod, both ends of the horizontal guide rod are installed on the upper and lower inner walls of the groove body, and a rubber pad is also installed at the end of the contact block away from the horizontal guide rod, a groove is provided on the side wall of the rubber pad, and a limiting block is installed on the other end of the horizontal guide rod, a stop ring is installed on the end of the horizontal guide rod close to the contact block, a horizontal spring is sleeved on the horizontal guide rod, one end of the horizontal spring abuts against the side wall of the clamping arm, and the other end of the horizontal spring abuts against the side wall of the stop ring installed on the horizontal guide rod.

[0010] Preferably, a first groove is provided at the lower end of the clamping arm, and second mounting rods are installed on the inner walls at both ends of the first groove, a movable arm is rotatably installed on the second mounting rod, a second groove is provided at the lower end of the movable arm, and through holes are provided on the inner walls at both ends of the second groove, a connecting rod is rotatably inserted into the hole, an extension block is sleeved on the connecting rod, and the extension block is used to connect the driving assembly.

[0011] Preferably, the driving assembly includes a third mounting ring, which is installed on the support column on which the mounting frame is installed through a connecting block, and a threaded rod is rotatably installed in the third mounting ring, a threaded sleeve is installed at the lower end of the threaded rod, and a limiting circular block is installed at the top end of the threaded rod, and a crank is installed at the upper end of the limiting circular block.

[0012] Preferably, a second mounting ring is installed on the inner side of the threaded sleeve, the second mounting ring is slidably installed on the support column, and the inner side of the second mounting ring is installed on one end of the mounting frame, a first mounting ring is installed in the middle of the mounting frame, a vertical rod is installed at the bottom center of the mounting platform, and the middle part of the first mounting ring is slidably installed on the vertical rod.

[0013] Preferably, a fourth mounting ring is slidably installed on the vertical rod at the upper end of the first mounting ring, and four groups of extension blocks are evenly installed around the fourth mounting ring, and the positions of the extension blocks correspond to the positions of the square holes opened on the mounting platform. Through holes are opened on the side walls at both ends of the extension blocks, and a third mounting rod is rotatably installed in the holes. Both ends of the third mounting rod are rotatably installed in the through holes on the side walls of the second groove opened at the lower end of the movable arm, and a limiting circular block is installed on the part of the third mounting rod protruding from the through hole, and the movable arm and the extension block are rotatably installed through the third mounting rod.

[0014] Beneficial effects of the utility model:

[0015] Efficient and flexible clamping capability: By arranging clamping components in the square holes opened in a circular array on the mounting table, the fixture is capable of clamping optical components with complex structures. The flexible configuration of the clamping components can adapt to optical components of different shapes and sizes, enhancing the versatility and applicability of the fixture.

[0016] Stable Rotary Coating: The mounting table is rotatably mounted via a mounting plate and, in conjunction with the drive assembly, can rotate smoothly and precisely during the coating process. This rotation function ensures that all surfaces of the optical component can be evenly coated, improving the coating quality and consistency. At the same time, the stable rotation mechanism reduces vibration and offset during the coating process, protecting the delicate structure of the optical component.

[0017] Precise clamping and positioning: The precise design and installation of the clamping components ensure the stable clamping and precise positioning of the optical components to be coated in the fixture, which helps to avoid displacement or tilting of the components during the coating process, thereby ensuring the accuracy of the coating pattern and the clarity of the edges. In addition, precise clamping also reduces the defects and defective product rate caused by component shaking during the coating process.

[0018] Convenient maintenance and operation: The design of the fixture takes into account the convenience of maintenance and operation. For example, the snap-fitting and rotating installation between the mounting table and the mounting plate facilitates installation and disassembly; the modular design of the clamping assembly and the drive assembly makes maintenance and replacement of parts easier and faster. In addition, through the control system, the operator can easily control the various functions of the fixture, which improves production efficiency and operational safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 It is a three-dimensional schematic diagram of part of the structure of the utility model;

[0022] Figure 3 For this utility model Figure 2 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0023] Figure 4 For this utility model Figure 2 The enlarged structural diagram at B in the middle;

[0024] Figure 5 It is a partial structural diagram of the drive assembly of the utility model.

[0025] The markings in the figure are:

[0026] 1. Mounting plate; 2. Support column; 3. Mounting frame; 4. First mounting ring; 5. Second mounting ring; 6. Threaded sleeve; 7. Mounting table; 8. Square hole; 9. Threaded rod; 10. Third mounting ring; 11. Crank; 12. Tray; 13. Clamping arm; 14. Mounting hole; 15. Horizontal guide rod; 16. Horizontal spring; 17. Contact block; 18. Rubber pad; 19. First mounting rod; 20. Second mounting rod; 21. Movable arm; 22. Limit block; 23. Fourth mounting ring; 24. Extension block; 25. Third mounting rod; 26. Vertical rod; 27. Fourth mounting rod. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0028] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0029] The utility model provides Figures 1 to 5 The complex structure optical film tooling fixture shown includes: a mounting plate 1, a circular array of support columns 2 is provided at the bottom of the mounting plate 1, a mounting frame 3 is also installed on the diagonal support columns 2, a mounting table 7 is also rotatably installed in the middle of the mounting plate 1, a square hole 8 is opened in a circular array on the mounting table 7, and a tray 12 is installed at the upper center of the mounting table 7 through a connecting piece; a clamping assembly, the clamping assemblies are all arranged in the square hole 8, and the clamping assemblies are used to clamp the optical element to be coated; a driving assembly, the driving assembly is arranged at the bottom of the mounting table 7, and the driving assembly is used to drive the clamping assembly, by arranging the clamping assembly in the square hole 8 opened in the circular array on the mounting table 7, the tooling fixture can clamp optical elements with complex structures, and the flexible configuration of the clamping assembly can adapt to optical elements of different shapes and sizes, thereby enhancing the versatility and applicability of the fixture, and the mounting table 7 is rotatably installed through the mounting plate 1, and cooperates with the driving assembly to be able to rotate smoothly and accurately during the coating process. This rotation function ensures that all surfaces of the optical element can be evenly coated, improving the quality and consistency of the coating. At the same time, the stable rotation mechanism reduces vibration and deviation during the coating process and protects the delicate structure of the optical element. The precise design and installation of the clamping assembly ensures the stable clamping and precise positioning of the optical element to be coated in the fixture, which helps to avoid displacement or tilt of the element during the coating process, thereby ensuring the accuracy of the coating pattern and the clarity of the edges. In addition, precise clamping also reduces defects and defective product rates caused by the shaking of the element during the coating process. The design of the tooling fixture takes into account the convenience of maintenance and operation. For example, the engaging and rotating installation between the mounting table 7 and the mounting disk 1 facilitates installation and disassembly; the modular design of the clamping assembly and the drive assembly makes maintenance and replacement of components simpler and faster. In addition, through the control system, the operator can easily control the various functions of the fixture, improving production efficiency and operational safety.

[0030] Furthermore, in this example, Figure 2 , Figure 3 and Figure 5As shown, the clamping assembly includes a clamping arm 13, which is L-shaped. A through circular hole is provided at the turning point of the clamping arm 13, and a first mounting rod 19 is rotatably installed in the circular hole. Both ends of the first mounting rod 19 are installed on the side walls of the square hole 8. A mounting hole 14 is provided on the top side wall of the clamping arm 13, and a horizontal guide rod 15 is slidably installed in the mounting hole 14. A circular hole is provided at the inner end of the horizontal guide rod 15, and a fourth mounting rod 27 is inserted in the circular hole. A contact block 17 is also installed at the inner end of the horizontal guide rod 15, and a groove body is provided on the side wall of one end of the contact block 17 close to the horizontal guide rod 15, and both ends of the horizontal guide rod 15 are installed in the groove body. On the upper and lower inner walls, a rubber pad 18 is also installed at one end of the contact block 17 away from the horizontal guide rod 15, a groove is provided on the side wall of the rubber pad 18, and a limit block 22 is installed on the other end of the horizontal guide rod 15, and a stop ring is installed on the end of the horizontal guide rod 15 close to the contact block 17. A horizontal spring 16 is sleeved on the horizontal guide rod 15, one end of the horizontal spring 16 abuts on the side wall of the clamping arm 13, and the other end of the horizontal spring 16 abuts on the side wall of the stop ring installed on the horizontal guide rod 15. A first groove is provided at the lower end of the clamping arm 13, and a second mounting rod 20 is installed on the inner walls at both ends of the first groove, and a The movable arm 21 has a second groove at its lower end, and through holes are formed on the inner walls at both ends of the second groove. A connecting rod is rotatably inserted in the hole, and an extension block 24 is sleeved on the connecting rod. The extension block 24 is used to connect the drive assembly. When the optical element needs to be placed in the clamping assembly, it is first aligned and placed on the tray 12. As the clamping assembly gradually approaches, the element will first contact the rubber pad 18. Due to the softness and groove design of the rubber pad 18, the element can be gently clamped. As the clamping assembly is further pushed in, the rubber pad 18 is subjected to pressure, and the horizontal guide rod 15 is pushed to the inner side of the clamping arm 13 through the contact block 17. Sliding, during the sliding of the horizontal guide rod 15, the horizontal spring 16 is gradually compressed and stores elastic potential energy. When the horizontal guide rod 15 slides to a certain position, the rubber pad 18 fits tightly against the surface of the optical element. At this time, the reaction force generated by the horizontal spring 16 is transmitted to the optical element through the horizontal guide rod 15, the contact block 17 and the rubber pad 18, forming a stable clamping force. The L-shaped structure of the clamping arm 13 and the rotating installation of the first mounting rod 19 provide good mechanical support; the selection of the horizontal spring 16 ensures the uniform distribution and adjustability of the clamping force; the softness and groove design of the rubber pad 18 improve the adaptability and protection of the clamping.

[0031] Furthermore, in this example, Figure 1 and Figure 4As shown, the driving assembly includes a third mounting ring 10, which is mounted on a supporting column 2 on which a mounting frame 3 is mounted through a connecting block, and a threaded rod 9 is rotatably mounted in the third mounting ring 10, a threaded sleeve 6 is mounted on the lower end of the threaded rod 9, and a limiting round block is mounted on the top of the threaded rod 9, and a crank 11 is mounted on the upper end of the limiting round block, a second mounting ring 5 is mounted on the inner side of the threaded sleeve 6, the second mounting ring 5 is slidably mounted on the supporting column 2, and the inner side of the second mounting ring 5 is mounted on one end of the mounting frame 3, a first mounting ring 4 is mounted in the middle of the mounting frame 3, a vertical rod 26 is mounted at the bottom center of the mounting platform 7, the middle part of the first mounting ring 4 is slidably mounted on the vertical rod 26, and the third mounting ring 4 is mounted on the inner side of the second mounting ring 5. A fourth mounting ring 23 is slidably mounted on a vertical rod 26 at the upper end of a mounting ring 4, and four groups of extension blocks 24 are evenly mounted around the fourth mounting ring 23. The positions of the extension blocks 24 correspond to the positions of the square holes 8 opened on the mounting platform 7. Through holes are opened on the side walls at both ends of the extension blocks 24, and a third mounting rod 25 is rotatably mounted in the holes. Both ends of the third mounting rod 25 are rotatably mounted in the through holes on the side walls of the second groove opened at the lower end of the movable arm 21, and the portion of the third mounting rod 25 protruding from the through hole is installed with a limited position circular block. The movable arm 21 and the extension block 24 are rotatably mounted through the third mounting rod 25. When the operator shakes the crank 11, the crank 11 drives the screw The threaded rod 9 rotates in the third mounting ring 10. Since a threaded sleeve 6 is installed at the lower end of the threaded rod 9, and the second mounting ring 5 installed on the inner side of the threaded sleeve 6 is slidably installed on the support column 2, this threaded transmission mechanism enables the threaded sleeve 6 and the second mounting ring 5 connected thereto to move upward along the support column 2. The movement of the second mounting ring 5 further drives the mounting frame 3 and the first mounting ring 4, the fourth mounting ring 23 and other components thereon to rise synchronously. The middle part of the first mounting ring 4 is slidably installed on the vertical rod 26. The fourth mounting ring 23 serves as the supporting point of the clamping assembly. The four groups of extension blocks 24 evenly installed around it can flexibly adjust the clamping position of the movable arm 21 through the sliding mechanism to adapt to the In response to workpieces of different sizes and shapes, a third mounting rod 25 is rotatably installed in the hole on the extension block 24, and the two ends of these third mounting rods 25 are respectively rotatably installed in the through holes on the side wall of the second groove at the lower end of the movable arm 21. Through the rotational connection of the third mounting rod 25, the movable arm 21 can rotate around the axis of the third mounting rod 25 to achieve opening and closing actions. When the movable arm 21 pushes the lower end of the clamping arm 13 due to the upward movement of the fourth mounting ring 23, the clamping arm 13 will clamp the workpiece on the mounting table 7; conversely, when the movable arm 21 moves outward, the workpiece is released. This clamping mechanism ensures the stability and safety of the workpiece during processing or inspection.

[0032] Working principle:

[0033] When it is necessary to put the optical element into the clamping assembly, first align it and place it on the tray 12. When the operator shakes the crank 11, the crank 11 drives the threaded rod 9 to rotate in the third mounting ring 10. Since the threaded sleeve 6 is installed at the lower end of the threaded rod 9, the threaded sleeve 6 and the second mounting ring 5 connected thereto can move upward along the support column 2. The movement of the second mounting ring 5 further drives the mounting frame 3 and the first mounting ring 4, the fourth mounting ring 23 and other components thereon to rise synchronously. Through the rotation connection of the third mounting rod 25, the movable arm 21 can rotate around the axis of the third mounting rod 25, realizing Opening and closing action, when the movable arm 21 pushes the lower end of the clamping arm 13 due to the upward movement of the fourth mounting ring 23, the clamping arm 13 will clamp the workpiece on the mounting table 7. As the clamping assembly gradually approaches, the component will first contact the rubber pad 18. Due to the softness and groove design of the rubber pad 18, the component can be clamped gently. As the clamping assembly is further pushed in, the rubber pad 18 is subjected to pressure and pushes the horizontal guide rod 15 to slide toward the inside of the clamping arm 13 through the contact block 17. During the sliding process of the horizontal guide rod 15, the horizontal spring 16 is gradually compressed, storing elastic potential energy to form a stable clamping force.

[0034] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0035] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. Complex structure optical film fixture, characterized by: include: A mounting plate (1), wherein a supporting column (2) in a circumferential array is provided at the bottom of the mounting plate (1), a mounting frame (3) is also installed diagonally on the supporting column (2), a mounting platform (7) is also rotatably mounted in the middle of the mounting plate (1), a square hole (8) is opened in a circumferential array on the mounting platform (7), and a tray (12) is installed at the center of the upper part of the mounting platform (7) via a connecting piece; A clamping assembly, each of which is arranged in the square hole (8), and is used to clamp the optical element to be coated; A driving assembly, wherein the driving assembly is arranged at the bottom of the mounting platform (7), and the driving assembly is used to drive the clamping assembly.

2. The complex structure optical film fixture according to claim 1, characterized in that: The clamping assembly comprises a clamping arm (13), the clamping arm (13) is L-shaped, a through circular hole is provided at the turning point of the clamping arm (13), a first mounting rod (19) is rotatably mounted in the circular hole, and both ends of the first mounting rod (19) are mounted on the side walls of the square hole (8).

3. The complex structure optical film fixture according to claim 2, characterized in that: A mounting hole (14) is provided on the top side wall of the clamping arm (13), a horizontal guide rod (15) is slidably mounted in the mounting hole (14), a round hole is provided at the inner end of the horizontal guide rod (15), a fourth mounting rod (27) is inserted in the round hole, a contact block (17) is also installed at the inner end of the horizontal guide rod (15), a groove is provided on the side wall of one end of the contact block (17) close to the horizontal guide rod (15), both ends of the horizontal guide rod (15) are mounted on the upper and lower inner walls of the groove, and the contact block (17) is away from the horizontal guide rod (15). A rubber pad (18) is also installed at one end of the guide rod (15), and a groove is provided on the side wall of the rubber pad (18). A limit block (22) is installed at the other end of the horizontal guide rod (15). A stop ring is installed on the end of the horizontal guide rod (15) close to the contact block (17). A horizontal spring (16) is sleeved on the horizontal guide rod (15), and one end of the horizontal spring (16) abuts against the side wall of the clamping arm (13), and the other end of the horizontal spring (16) abuts against the side wall of the stop ring installed on the horizontal guide rod (15).

4. The complex structure optical film fixture according to claim 3, characterized in that: A first groove is formed at the lower end of the clamping arm (13), and second mounting rods (20) are mounted on the inner walls at both ends of the first groove. A movable arm (21) is rotatably mounted on the second mounting rod (20). A second groove is formed at the lower end of the movable arm (21), and holes are formed through the inner walls at both ends of the second groove. A connecting rod is rotatably inserted into the hole, and an extension block (24) is sleeved on the connecting rod. The extension block (24) is used to connect the driving component.

5. The complex structure optical film fixture according to claim 4, characterized in that: The driving assembly comprises a third mounting ring (10), the third mounting ring (10) being mounted on the supporting column (2) on which the mounting frame (3) is mounted via a connecting block, and a threaded rod (9) is rotatably mounted in the third mounting ring (10), a threaded sleeve (6) being mounted at the lower end of the threaded rod (9), and a limiting circular block being mounted at the top end of the threaded rod (9), and a crank (11) being mounted at the upper end of the limiting circular block.

6. The complex structure optical film fixture according to claim 5, characterized in that: A second mounting ring (5) is installed on the inner side of the threaded sleeve (6), the second mounting ring (5) is slidably mounted on the support column (2), and the inner side of the second mounting ring (5) is mounted on one end of the mounting frame (3), a first mounting ring (4) is installed in the middle of the mounting frame (3), a vertical rod (26) is installed at the bottom center of the mounting platform (7), and the middle of the first mounting ring (4) is slidably mounted on the vertical rod (26).

7. The complex structure optical film fixture according to claim 6, characterized in that: A fourth mounting ring (23) is slidably mounted on the vertical rod (26) at the upper end of the first mounting ring (4), and four groups of extension blocks (24) are evenly mounted around the fourth mounting ring (23). The positions of the extension blocks (24) correspond to the positions of the square holes (8) opened on the mounting platform (7). Through holes are opened on the side walls at both ends of the extension blocks (24), and a third mounting rod (25) is rotatably mounted in the holes. The two ends of the third mounting rod (25) are rotatably mounted in the through holes on the side walls of the second groove opened at the lower end of the movable arm (21), and a limited position circular block is installed on the portion of the third mounting rod (25) protruding from the through holes, and the movable arm (21) and the extension blocks (24) are rotatably mounted via the third mounting rod (25).

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