Gradient filter coating device

By using a motor-driven mounting base and adjustable clamping plate structure, combined with a heating component and observation window, the problem of uniformity in gradient filter coating is solved, achieving a high-quality and efficient coating process.

CN223805144UActive Publication Date: 2026-01-16ZHEJIANG JINGBANG PHOTOELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202520119811.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-16
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing coating equipment cannot achieve uniform coating of gradient filters, resulting in errors in film thickness and changes in filter characteristics with environmental variations.

Method used

The motor-driven mounting base and adjustable clamping plate structure, combined with heating components and an observation window, ensure uniformity and temperature control during the coating process, and are suitable for gradient filters of different sizes.

Benefits of technology

This technology improves the uniformity and quality of gradient filter coating, reduces the impact of environmental changes on filter characteristics, and increases production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of optical filter coating, and particularly relates to a gradient optical filter coating device which comprises a processing box, a box door is movably arranged on the front face of the processing box, a heating assembly is fixedly arranged on the inner wall of one side of the processing box, and a coating assembly is fixedly arranged on the inner wall of the top of the processing box. Through the arrangement of the motor, the mounting base, the clamping plates, the sleeve, the telescopic rod, the positioning rod and the spring, the positioning rod is extruded to be retracted into the storage hole, the telescopic rod can be pulled to achieve adjustment of the distance between the two clamping plates, and the device can be suitable for gradual change optical filters of different sizes; meanwhile, the motor is started in the reprocessing period, the motor drives the mounting base, and then the mounting base drives the gradual filter to rotate, so that all parts of the filter can be uniformly coated in the coating process, the coating uniformity is improved, and the phenomenon that the characteristics of the filter are changed due to the change of the environment is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to filter coating technology field especially relates to a kind of gradient filter coating device. BACKGROUND

[0002] Linear gradient filter is a kind of optical thin film device with linearly changing spectral characteristics with filter surface position, which is formed by coating multilayer thickness-varying film system on substrate surface using ion-assisted method or ion beam sputtering method and other processes. Compared with traditional narrow-band filter, linear gradient filter has nearly continuous spectral channel, so that higher spectral resolution can be obtained by using linear gradient filter for spectroscopy, and linear gradient filter has very wide application prospect in optical communication, spectral imaging, laser mirror design and other fields.

[0003] Since the coating equipment cannot make the gradient filter to be coated to accept uniform coating, the film thickness of each part will produce error, and when subjected to changes of temperature, humidity, pressure and the like, the characteristics of the filter will be changed, so a kind of gradient filter coating device is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a kind of gradient filter coating device.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of gradient filter coating device, including processing box, the front of processing box is movably provided with box door, heating assembly is fixedly arranged on the inner wall of one side of processing box, coating assembly is fixedly arranged on the top inner wall of processing box, motor is fixedly arranged on the back inner wall of processing box, the output of motor is fixedly provided with mounting seat, two sliding blocks are movably arranged in mounting seat, clamping plate is fixedly arranged on the front of two sliding blocks, and a plurality of telescopic structures are arranged between two clamping plates.

[0006] Further description of the above technical scheme:

[0007] The protruding block is fixedly arranged between two clamping plates, and the side close to the protruding block of two protruding blocks is fixedly provided with rubber pad.

[0008] Further description of the above technical scheme:

[0009] The front of mounting seat is provided with recess, sliding rod is fixedly arranged in recess, and two sliding blocks are slidably connected with sliding rod.

[0010] Further description of the above technical scheme:

[0011] The inner wall of processing box is provided with corrosion-resistant coating, and the front of box door is provided with observation window.

[0012] As a further description of the above technical solutions:

[0013] The telescopic structure comprises a sleeve fixedly connected to one side of one of the clamping plates, a telescopic rod movably arranged in the sleeve, one end of the telescopic rod away from the sleeve fixedly connected to one side of the other clamping plate, a receiving hole arranged on the telescopic rod, and a positioning rod movably arranged in the receiving hole and used for locking and positioning.

[0014] As a further description of the above technical solutions:

[0015] The sleeve is externally provided with a plurality of positioning holes matched with the positioning rod, the inner wall of the sleeve is provided with two limiting grooves, and the telescopic rod is externally fixedly provided with two limiting blocks in sliding connection with the limiting grooves.

[0016] As a further description of the above technical solutions:

[0017] The receiving hole is fixedly provided with a spring, one end of the spring is fixedly provided with a guide plate in sliding connection with the receiving hole, and the positioning rod is fixedly connected to one side of the guide plate.

[0018] The utility model has the advantages of the following beneficial effects:

[0019] 1. Compared with the prior art, the gradual change filter coating device is provided with a motor, a mounting seat, a clamping plate, a sleeve, a telescopic rod, a positioning rod and a spring, the positioning rod is allowed to be retracted into the receiving hole by extrusion, the telescopic rod can be pulled to adjust the distance between the two clamping plates, the device can be applied to gradual change filters of different sizes, the application range of the device is improved, the motor is started during reprocessing, the mounting seat is driven by the motor, and the gradual change filter is driven to rotate by the mounting seat, so that each part of the filter can uniformly receive coating during coating, the uniformity of coating is improved, and the characteristics of the filter will not change due to changes in the environment.

[0020] 2. Compared with the prior art, the gradual change filter coating device is provided with a heating assembly and an observation window, so that an operator can conveniently monitor the temperature and coating condition during coating, and the coating quality and production efficiency are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 FIG. 1 is a first perspective view of a gradual change filter coating device according to the utility model;

[0022] Fig. 2 FIG. 2 is a second perspective view of a gradual change filter coating device according to the utility model;

[0023] Fig. 3The utility model provides a gradual change filter coating device's cross section structure schematic diagram of inclining;

[0024] Fig. 4 The utility model provides a gradual change filter coating device's telescopic structure's exploded view.

[0025] Legend:

[0026] 1, processing box, 2, box door, 3, heating assembly, 4, coating assembly, 5, motor, 6, mounting seat, 7, sliding block, 8, clamping plate, 9, telescopic structure, 901, sleeve, 902, limit slot, 903, telescopic rod, 904, storage hole, 905, spring, 906, guide plate, 907, positioning rod. Specific embodiments

[0027] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.

[0028] Reference Figs. 1 to 4 The utility model provides a gradual change filter coating device: including processing box 1, the front of processing box 1 is movably provided with box door 2, the inner wall of processing box 1 is provided with corrosion -resistant coating, the top inner wall of processing box 1 is fixedly provided with coating assembly 4, the back inner wall of processing box 1 is fixedly provided with motor 5, the output of motor 5 is fixedly provided with mounting seat 6, two sliding blocks 7 are movably arranged in mounting seat 6, the front of mounting seat 6 is provided with recess, recess is fixedly provided with slide bar, two sliding blocks 7 are all with slide bar sliding connection, the front of two sliding blocks 7 is all fixedly provided with clamping plate 8, two clamping plates 8 are all fixedly provided with lug between, two lugs are all fixedly provided with rubber pad on the side close to each other;

[0029] In order to realize the purpose of constant temperature, the front of box door 2 is provided with observation window, and the inner wall of one side of processing box 1 is fixedly provided with heating assembly 3, and heating assembly 3 can be started during coating to make processing box 1 be in constant temperature state, to further improve coating quality and production efficiency;

[0030] In order to realize the positioning of different size filters and improve the uniformity of the coating thickness, a plurality of telescopic structures 9 are arranged between the two clamping plates 8, the telescopic structure 9 comprises a sleeve 901 fixedly connected with one side of one of the clamping plates 8, a telescopic rod 903 movably arranged in the sleeve 901, one end of the telescopic rod 903 away from the sleeve 901 is fixedly connected with one side of the other clamping plate 8, a receiving hole 904 is arranged on the telescopic rod 903, a positioning rod 907 for locking and positioning is movably arranged in the receiving hole 904, a plurality of positioning holes are arranged on the outside of the sleeve 901, the positioning holes are matched with the positioning rod 907, two limiting grooves 902 are arranged on the inner wall of the sleeve 901, two limiting blocks are fixedly arranged on the outside of the telescopic rod 903, the limiting blocks are slidably connected with the limiting grooves 902, a spring 905 is fixedly arranged in the receiving hole 904, one end of the spring 905 is fixedly arranged with a guide plate 906, the guide plate 906 is slidably connected with the receiving hole 904, the positioning rod 907 is fixedly connected with one side of the guide plate 906, the telescopic rod 903 can be pulled to adjust the distance between the two clamping plates 8, so that the device can be applied to different size gradient filters, and the application range of the device is improved, at the same time, the motor 5 can drive the gradient filter to rotate during coating, so that each part of the filter can uniformly receive coating during the coating process, the uniformity of the coating is improved, and the characteristics of the filter will not change due to changes in the environment.

[0031] Working principle: in use, first, the gradient filter to be coated is placed between the two clamping plates 8, then the plurality of positioning rods 907 are pressed at the same time, the positioning rods 907 press the springs 905, when the positioning rods 907 are completely retracted into the receiving holes 904, the telescopic rod 903 is pushed into the sleeve 901, the telescopic rod 903 drives the clamping plate 8 to move towards the other clamping plate 8, when the positioning rods 907 move to the position of the positioning holes, the springs 905 reset the positioning rods 907 to pop out of the positioning holes, when the rubber pads on the two clamping plates 8 are attached to the side edges of the material to be processed and fixed, the pressing of the positioning rods 907 and the pushing of the telescopic rod 903 can be stopped, then the heating assembly 3 is started according to the actual situation, and the processing box 1 is kept at a constant temperature, then the door 2 is closed, and the coating assembly 4 and the motor 5 are started, the motor 5 drives the mounting seat 6, the mounting seat 6 drives the gradient filter to rotate, so that each part of the filter can uniformly receive coating during the coating process, and the uniformity of the coating is improved.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A coating apparatus for a gradient filter comprising a process box (1), characterized in that: The front of the processing box (1) is movably provided with a box door (2), one side inner wall of the processing box (1) is fixedly provided with a heating assembly (3), the top inner wall of the processing box (1) is fixedly provided with a film coating assembly (4), the back inner wall of the processing box (1) is fixedly provided with a motor (5), the output end of the motor (5) is fixedly provided with a mounting seat (6), two sliding blocks (7) are movably arranged in the mounting seat (6), the front of each of the two sliding blocks (7) is fixedly provided with a clamping plate (8), and a plurality of telescopic structures (9) are arranged between the two clamping plates (8).

2. The coating apparatus for a gradient filter according to claim 1, wherein: The two clamping plates (8) are fixedly provided with protrusions, and the side close to each other of the two protrusions is fixedly provided with a rubber pad.

3. The coating apparatus for a gradient filter according to claim 1, wherein: The front of the mounting seat (6) is provided with a groove, and the groove is fixedly provided with a sliding rod, and the two sliding blocks (7) are slidably connected with the sliding rod.

4. The coating apparatus for a gradient filter according to claim 1, wherein: The inner wall of the processing box (1) is provided with a corrosion-resistant coating, and the front of the box door (2) is provided with an observation window.

5. The gradient filter coating apparatus according to claim 1, characterized in that: The telescopic structure (9) comprises a sleeve (901) fixedly connected with one side of one of the clamping plates (8), a telescopic rod (903) movably arranged in the sleeve (901), and the other end of the telescopic rod (903) away from the sleeve (901) is fixedly connected with one side of the other clamping plate (8), and the telescopic rod (903) is provided with a receiving hole (904), and the receiving hole (904) is movably provided with a positioning rod (907) for locking and positioning.

6. An apparatus for coating a gradient filter as defined in claim 5, wherein: The outer portion of the sleeve (901) is provided with a plurality of positioning holes, the positioning holes are matched with the positioning rod (907), the inner wall of the sleeve (901) is provided with two limiting grooves (902), the outer portion of the telescopic rod (903) is fixedly provided with two limiting blocks, and the limiting blocks are slidably connected with the limiting grooves (902).

7. The coating apparatus of claim 5 wherein: The receiving hole (904) is fixedly provided with a spring (905), one end of the spring (905) is fixedly provided with a guide plate (906), the guide plate (906) is slidably connected with the receiving hole (904), and the positioning rod (907) is fixedly connected with one side of the guide plate (906).