Device for detecting refractive index of optical lens

Abstract

The utility model discloses an optical lens refractive index detection device which comprises a bottom plate, and the top of the bottom plate is fixedly connected with a top seat through two electric telescopic columns; a lens supporting mechanism is fixedly installed at the top of the bottom plate and comprises four supporting rods, the supporting rods are installed at the top of the bottom plate in a surrounding mode, supporting plates are fixedly connected to the top ends of the supporting rods, the inner sides of the four supporting plates are fixedly connected through connecting rings, and adjusting lifting assemblies are fixedly connected to the tops of the supporting plates. The adjusting and lifting assembly comprises a fixing block, and the fixing block is fixedly connected to the top of the supporting plate. The device for detecting the refractive index of the optical lens is reasonable in structural design and convenient to use, and the bracket for placing the lens can be adjusted according to the diameter size of the optical lens, so that the device can be adaptive to fixed use of different optical lenses, the practicability of the device is improved, and the requirement for detecting the refractive index of the optical lens can be comprehensively met.

Description

Technical Field

[0001] The utility model relates to the technical field of optical lens detection, in particular to a refractive index detection device for an optical lens. Background Art

[0002] Patent document CN202211438527.3 discloses "an automatic detection device for the refractive index of a lens", which includes a base, a mounting frame, a sliding block, and a detector, etc. The mounting frame is connected to the upper rear side of the base, the sliding block is slidably connected to the mounting frame, and the front side of the sliding block is connected to the detector. The present invention can adjust the height of the detector by adjusting the height of the sliding block, thereby improving the accuracy of the lens detection result. At the same time, the placement frame can be used to place the lens to prevent the lens from falling and being damaged during detection.

[0003] The diameter of the annular placement frame for optical lenses in this patent is fixed, and it cannot be adapted to the refractive index detection of optical lenses of different sizes, which has certain limitations. For this reason, we propose an optical lens refractive index detection device to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a refractive index detection device for an optical lens to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: an optical lens refractive index detection device, comprising a bottom plate, the top of which is fixedly connected to a top seat via two electric telescopic columns;

[0006] A lens supporting mechanism is fixedly installed on the top of the base plate, and the lens supporting mechanism includes support rods. There are four support rods and they are installed around the top of the base plate. The top of the support rods is fixedly connected to a support plate. The inner sides of the four support plates are fixedly connected by a connecting ring, and the top of the support plate is fixedly connected to an adjusting lifting assembly.

[0007] Furthermore, the adjustment and lifting assembly includes a fixed block, which is fixedly connected to the top of the support plate, and an adjustment cavity and a transmission cavity are respectively opened inside the fixed block, and a rolling bearing is fixedly connected to the inner wall of the adjustment cavity away from the transmission cavity, and a screw is rotatably connected in the rolling bearing, one end of the screw passes through the rolling bearing and the adjustment cavity and extends to the transmission cavity and is fixedly connected to a driven bevel gear, a rotating handle is provided at the top of the fixed block corresponding to the transmission cavity, the bottom end of the rotating handle passes through the transmission cavity and is fixedly connected to an active bevel gear matched with the driven bevel gear, a moving block is axially threadedly connected to the surface of the screw located inside the adjusting cavity, and the bottom of the moving block is slidably connected to the bottom of the inner wall of the adjusting cavity through a guide slider, and the bottom of the left side of the moving block is fixedly connected to a cross bar, and the left end of the cross bar passes through the adjustment cavity and extends to the outside of the fixed block and is fixedly connected to a lens holder.

[0008] Furthermore, a sealing ring is fixedly connected to the outer side of the fixing block at a position corresponding to the cross bar, and the inner side of the sealing ring is in contact with the surface of the cross bar.

[0009] Furthermore, a first soft pad is fixedly connected to the bottom of the inner wall of the lens holder, and a second soft pad is fixedly connected to the side of the inner wall of the lens holder.

[0010] Furthermore, a first slider that moves left and right is slidably connected inside the top seat, a slide rail is fixedly installed on the bottom of the first slider, a second slider that moves forward and backward is slidably connected inside the slide rail, and a detector body is fixedly installed on the bottom of the second slider that passes through the outside of the slide rail.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model can rotate multiple rotating handles according to the diameter of the optical lens to be detected, so that the active bevel gear drives the driven bevel gear to rotate, and then drives the screw to rotate under the connection support of the rolling bearing. The moving block threaded thereon can drive the lens bracket to move horizontally under the limiting guide of the guide slider and through the connection of the cross bar, until the optical lens can be placed on the four lens brackets and clamped. After that, the position of the detector body is adjusted through the connection of the first slider, the slide rail and the second slider to realize the refractive index detection of the optical lens. The optical lens refractive index detection device has a reasonable structural design and is easy to use. The bracket for placing the lens can be adjusted according to the diameter size of the optical lens, so that different optical lenses can be adapted for fixed use, thereby improving the practicability of the equipment and fully meeting the refractive index detection needs of the optical lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the lens support mechanism of the utility model;

[0015] Figure 3 This is a structural cross-sectional view of the adjustable lifting assembly of the utility model.

[0016] In the figure: 1 bottom plate, 2 electric telescopic column, 3 top seat, 4 lens support mechanism, 41 support rod, 42 support plate, 43 connecting ring, 44 adjustment lifting assembly, 441 fixed block, 442 adjustment cavity, 443 transmission cavity, 444 rolling bearing, 445 screw, 446 driven bevel gear, 447 rotating handle, 448 driving bevel gear, 449 moving block, 4410 guide slider, 4411 cross bar, 4412 lens bracket, 4413 sealing ring, 4414 first soft pad, 4415 second soft pad, 5 first slider, 6 slide rail, 7 second slider, 8 detector body. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3 , an optical lens refractive index detection device comprises a base plate 1, the top of the base plate 1 is fixedly connected to a top seat 3 via two electric telescopic columns 2.

[0019] A lens supporting mechanism 4 is fixedly installed on the top of the base plate 1. The lens supporting mechanism 4 includes a support rod 41. There are four support rods 41 and they are installed around the top of the base plate 1. The top of the support rod 41 is fixedly connected to a support plate 42. The inner sides of the four support plates 42 are fixedly connected by a connecting ring 43. The top of the support plate 42 is fixedly connected to an adjusting lifting assembly 44.

[0020] Specifically, the adjustment and lifting assembly 44 includes a fixed block 441, which is fixedly connected to the top of the support plate 42. The interior of the fixed block 441 is respectively provided with an adjustment cavity 442 and a transmission cavity 443. A rolling bearing 444 is fixedly connected to the inner wall of the adjustment cavity 442 away from the transmission cavity 443. A screw 445 is rotatably connected in the rolling bearing 444. One end of the screw 445 passes through the rolling bearing 444 and the adjustment cavity 442 and extends to the transmission cavity 443. A driven bevel gear 446 is fixedly connected thereto. The top of the fixed block 441 corresponds to the position of the transmission cavity 443. A rotating handle 447 is provided, the bottom end of which passes through the transmission cavity 443 and is fixedly connected to a driving bevel gear 448 that matches the driven bevel gear 446; a moving block 449 is axially threadedly connected to the surface of a screw 445 located inside the adjusting cavity 442; the bottom of the moving block 449 is slidably connected to the bottom of the inner wall of the adjusting cavity 442 through a guide slider 4410; a cross bar 4411 is fixedly connected to the bottom of the left side of the moving block 449; the left end of the cross bar 4411 passes through the adjusting cavity 442 and extends to the outside of the fixed block 441 and is fixedly connected to a lens holder 4412.

[0021] Specifically, a sealing ring 4413 is fixedly connected to the position of the outer side of the fixed block 441 corresponding to the cross bar 4411, and the inner side of the sealing ring 4413 is in contact with the surface of the cross bar 4411. The sealing ring 4413 can prevent external dust and debris from penetrating through the gap between the cross bar 4411 and the fixed block 441 after long-term use of the equipment.

[0022] Specifically, a first soft pad 4414 is fixedly connected to the bottom of the inner wall of the lens holder 4412, and a second soft pad 4415 is fixedly connected to the side of the inner wall of the lens holder 4412. The first soft pad 4414 can prevent the bottom of the inner wall of the lens holder 4412 from directly contacting and causing wear when supporting the lens. Similarly, the second soft pad 4415 can prevent the side of the inner wall of the lens holder 4412 from being worn when clamping the optical lens, and also plays a certain anti-slip role. Both soft pads are made of rubber pads.

[0023] Specifically, a first slider 5 that moves left and right is slidably connected inside the top seat 3, a slide rail 6 is fixedly installed at the bottom of the first slider 5, a second slider 7 that moves forward and backward is slidably connected inside the slide rail 6, and the bottom of the second slider 7 passes through the outside of the slide rail 6 and a detector body 8 is fixedly installed.

[0024] The optical lens refractive index detection device has a reasonable structural design and is easy to use. The bracket for placing the lens can be adjusted according to the diameter size of the optical lens, so that it can be adapted to different optical lenses for fixed use, thereby improving the practicability of the equipment and fully meeting the needs of optical lens refractive index detection.

[0025] When in use, according to the diameter of the optical lens to be tested, multiple rotating handles 447 can be rotated, so that the active bevel gear 448 drives the driven bevel gear 446 to rotate, and then drives the screw 445 to rotate under the connection support of the rolling bearing 444, and the moving block 449 threadedly connected thereto can drive the lens holder 4412 to move horizontally under the limiting guidance of the guide slider 4410 and through the connection of the cross bar 4411, until the optical lens can be placed on the four lens holders 4412 and clamped, and then the position of the detector body 8 is adjusted through the connection of the first slider 5, the slide rail 6 and the second slider 7 to realize the refractive index detection of the optical lens.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An optical lens refractive index detection device, comprising a base plate (1), characterized in that: The top of the base plate (1) is fixedly connected to a top seat (3) via two electric telescopic columns (2); A lens support mechanism (4) is fixedly installed on the top of the base plate (1), and the lens support mechanism (4) includes a support rod (41). The number of the support rods (41) is four and they are installed around the top of the base plate (1). The top of the support rod (41) is fixedly connected to a support plate (42). The inner sides of the four support plates (42) are fixedly connected via a connecting ring (43). The top of the support plate (42) is fixedly connected to an adjustable lifting assembly (44).

2. The optical lens refractive index detection device according to claim 1, characterized in that: The adjusting and lifting assembly (44) comprises a fixed block (441), wherein the fixed block (441) is fixedly connected to the top of the support plate (42), and an adjusting cavity (442) and a transmission cavity (443) are respectively provided inside the fixed block (441), and a rolling bearing (444) is fixedly connected to the inner wall of the adjusting cavity (442) away from the transmission cavity (443), and a screw rod (445) is rotatably connected inside the rolling bearing (444), and one end of the screw rod (445) passes through the rolling bearing (444) and the adjusting cavity (442) and extends to the transmission cavity (443) and is fixedly connected to a driven bevel gear (446), and the top of the fixed block (441) corresponds to the transmission cavity (443). A rotating handle (447) is provided at the position, the bottom end of the rotating handle (447) passes through the inside of the transmission cavity (443) and is fixedly connected to a driving bevel gear (448) matched with the driven bevel gear (446), the surface of the screw (445) located inside the adjustment cavity (442) is axially threadedly connected to a moving block (449), the bottom of the moving block (449) is slidably connected to the bottom of the inner wall of the adjustment cavity (442) through a guide slider (4410), the bottom of the left side of the moving block (449) is fixedly connected to a cross bar (4411), the left end of the cross bar (4411) passes through the adjustment cavity (442) and extends to the outside of the fixed block (441) and is fixedly connected to a lens bracket (4412).

3. The optical lens refractive index detection device according to claim 2, characterized in that: A sealing ring (4413) is fixedly connected to the outer side of the fixing block (441) at a position corresponding to the cross bar (4411), and the inner side of the sealing ring (4413) is in contact with the surface of the cross bar (4411).

4. The optical lens refractive index detection device according to claim 3, characterized in that: A first soft pad (4414) is fixedly connected to the bottom of the inner wall of the lens holder (4412), and a second soft pad (4415) is fixedly connected to the side of the inner wall of the lens holder (4412).

5. The optical lens refractive index detection device according to claim 4, characterized in that: A first slider (5) is slidably connected inside the top seat (3) and can move left and right. A slide rail (6) is fixedly installed at the bottom of the first slider (5). A second slider (7) is slidably connected inside the slide rail (6) and can move forward and backward. The bottom of the second slider (7) passes through the slide rail (6) and a detector body (8) is fixedly installed outside the detector body.

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