Optical lens detection jig

Abstract

The utility model discloses an optical lens detection jig which comprises a chassis and an operation table, the operation table is installed on the top of the chassis, installation bolts are symmetrically arranged on the top of the chassis in a penetrating mode, a detection table is arranged in the operation table, the top of the detection table is connected with a lens adapter seat, and an adjusting frame is connected in the operation table. The lens adapter can be inserted into the detection table more quickly, compared with thread screwing assembly, the stability and convenience of lens assembly are greatly improved, the situation that the lens adapter cannot be screwed due to abrasion of a thread groove is avoided, and the detection efficiency is improved. The number of rotation turns of the focusing ring of the optical lens is automatically controlled according to the rotation angle of the adjusting frame, zoom adjustment of the optical lens can be accurately controlled, manual screwing operation of a worker is not needed, convenience is further improved, and the device can be adapted to adjustment and focusing of different optical lenses.

Description

Technical Field

[0001] This utility model relates to the field of optical lens inspection technology, and more specifically, to an optical lens inspection fixture. Background Technology

[0002] When using existing miniature lenses to capture standard charts for inspection, manual adjustment of the lens back focus is required to achieve a clear image. However, miniature lenses are small in size, making it difficult for a person to hold the lens firmly for focusing in practice, resulting in extremely poor efficiency. Furthermore, chart inspection requires a suitable holder on the sensor for imaging. If the mechanical back focus of the miniature lens is too small, it will cause interference between the hand and the holder during manual focusing, making it impossible to focus.

[0003] In the prior art, application number 202122975166.3 discloses an optical lens testing fixture, including a base, a top cover, and a lens adapter for fixing the lens. The top cover is installed above the base and can move up and down relative to the base. The top cover has a mounting hole, and the lens adapter is installed in the mounting hole and can move up and down relative to the top cover. A sensor is provided in the base corresponding to the lens adapter. The lens adapter of the above device is assembled by threaded connection. Disassembly is time-consuming and laborious, and the lens adapter may become unremovable due to damage to the thread groove. Furthermore, when adjusting the focal length of the testing lens, the operator still needs to manually adjust the lens's focus ring, which is time-consuming and laborious, and the accuracy of manual adjustment is insufficient.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in the related technologies, this utility model proposes an optical lens inspection fixture to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] An optical lens inspection fixture includes a chassis and an operating table. The operating table is mounted on the top of the chassis. The top of the chassis is symmetrically provided with mounting bolts. The operating table is equipped with an inspection platform inside. A lens adapter is connected to the top of the inspection platform. An adjustment frame is connected inside the operating table.

[0008] Preferably, the testing station includes a testing tube and a mounting ring. The mounting ring is sleeved and fixed to the top side of the testing tube and is flush with the top side of the testing tube. A connecting tube is fixedly connected to the bottom of the lens adapter.

[0009] As preferred, the connecting pipe is specifically a hexagonal pipe structure, the detection pipe top side is provided with a hexagonal groove, the connecting pipe is embeddedly connected with the hexagonal groove, and the detection pipe inner wall bottom side is fixedly connected with a sensor.

[0010] As preferred, the detection pipe bottom side is fixedly connected with the bottom disc top part, the operation table is specifically a hollow structure, the operation table bottom side is fixedly connected with a servo motor, and the servo motor output shaft is sleeved with a gear respectively.

[0011] As preferred, the servo motor output shaft extends into the operation table wall cavity and is fixedly connected with the gear sleeve, the detection pipe outer wall is fixedly connected with the gear inner side through a bearing, the gears are matchedly engaged, and the adjusting frame is fixedly connected with the gear top side on the detection pipe outer wall.

[0012] As preferred, the adjusting frame comprises a rotating disc and a threaded rod, the threaded rod is movably sleeved with the rotating disc top right side edge, and the rotating disc top side is provided with a sleeving hole.

[0013] As preferred, the rotating disc bottom side is symmetrically connected with an abutting plate, the abutting plate is specifically an arc plate structure, the abutting plate is located outside the sleeving hole, and the abutting plate opposite sides are fixedly connected with anti-skid teeth.

[0014] As preferred, the threaded rod bottom end is fixedly connected with a fixed block, the threaded rod outer wall is symmetrically sleeved with a positioning nut, the positioning nut is matchedly threadedly connected with the threaded rod, and the positioning nut opposite sides are closely attached with the rotating disc.

[0015] The utility model discloses a lens adapter can be inserted into the detection table inside more quickly, compared with the threaded screwing assembly, the stability and the convenience of assembling the lens are improved greatly, the situation that the threaded groove is worn and cannot screw the lens adapter is avoided, the angle of adjusting frame rotation is used to automatically control the rotation number of the focusing ring of the optical lens, the zooming of the optical lens can be controlled accurately, the manual screwing operation of the staff is not needed, the convenience is further improved, the rotating disc can be adjusted to the appropriate position on the threaded rod, then the rotating disc is clamped and positioned through the positioning nut, and the adjusting focusing of different optical lenses can be adapted. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating the creative labor.

[0017] Figure 1 Fig. 1 is a total structure schematic diagram of an optical lens detection jig according to an embodiment of the present application;

[0018] Figure 2 Fig. 2 is a detection tube and connecting tube split structure schematic diagram of an optical lens detection jig according to an embodiment of the present application;

[0019] Figure 3 Fig. 3 is an operation table internal structure schematic diagram of an optical lens detection jig according to an embodiment of the present application;

[0020] Figure 4 Fig. 4 is an adjusting frame appearance structure schematic diagram of an optical lens detection jig according to an embodiment of the present application.

[0021] In the drawings:

[0022] 1, base plate; 2, operation table; 3, mounting bolt; 4, detection table; 5, lens adapter; 6, adjusting frame; 7, detection tube; 8, mounting ring; 9, connecting tube; 10, six-rib groove; 11, servo motor; 12, gear; 13, rotating disc; 14, threaded rod; 15, socket hole; 16, abutting plate; 17, anti-skid tooth; 18, fixed block; 19, positioning nut. DETAILED DESCRIPTION

[0023] To further illustrate the embodiments, the present application provides drawings, which are part of the disclosure of the present application, mainly used to illustrate the embodiments, and can explain the operating principle of the embodiments in cooperation with the related description of the specification. With reference to these contents, those skilled in the art should understand other possible embodiments and advantages of the present application. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0024] According to the embodiment of the present application, an optical lens detection jig is provided.

[0025] Embodiment one

[0026] As Figures 1-4As shown, an optical lens testing fixture according to an embodiment of the present invention includes a chassis 1 and an operating table 2. The operating table 2 is mounted on the top of the chassis 1. Mounting bolts 3 are symmetrically arranged through the top of the chassis 1. A testing table 4 is provided inside the operating table 2. A lens adapter 5 is connected to the top of the testing table 4. An adjustment frame 6 is connected inside the operating table 2. The testing table 4 includes a testing tube 7 and a mounting ring 8. The mounting ring 8 is sleeved and fixed to the top side of the testing tube 7 and is flush with the top side of the testing tube 7. A connecting tube 9 is fixedly connected to the bottom of the lens adapter 5. The connecting tube 9 is specifically a hexagonal tubular structure. A hexagonal groove 1 is carved into the top side of the testing tube 7. 0. The connecting tube 9 is fitted into the hexagonal groove 10, and a sensor is fixedly connected to the bottom side of the inner wall of the detection tube 7. The compatible lens adapter 5 can be connected and assembled with the lens mount to be tested. The lens adapter 5 is fitted into the hexagonal groove 10 at the top of the detection tube 7 through the connecting tube 9. Then, the sensor inside the detection tube 7 performs the detection operation on the lens. The lens adapter 5 can be inserted into the detection stage 4 more quickly. Compared with the screw assembly, it greatly improves the stability and convenience of lens assembly and avoids the situation where the lens adapter 5 cannot be screwed on due to wear of the thread groove.

[0027] Example 2

[0028] like Figures 1-4 As shown, an optical lens testing fixture according to an embodiment of the present invention includes a chassis 1 and an operating table 2. The operating table 2 is mounted on the top of the chassis 1. A mounting bolt 3 is symmetrically arranged through the top of the chassis 1. A testing platform 4 is located inside the operating table 2. A lens adapter 5 is connected to the top of the testing platform 4. An adjustment frame 6 is connected inside the operating table 2. The bottom side of a testing tube 7 is fixedly connected to the top of the chassis 1. The operating table 2 is specifically a hollow structure. A servo motor 11 is fixedly connected to one side of the bottom of the operating table 2. Gears 12 are respectively fitted onto the output shaft of the servo motor 11 and the outer wall of the testing tube 7. The output shaft of the servo motor 11 extends into the cavity of the operating table 2 and is fixedly connected to the gears 12. The outer wall of the testing tube 7 is... The bearing is fixedly connected to the inner side of the gear 12, and the gears 12 are meshed together. The adjustment frame 6 is fixedly connected to the top side of the gear 12 on the outer wall of the detection tube 7. By starting the servo motor 11, the gear on the output shaft of the servo motor 11 meshes and drives the gear 12 on the outer wall of the detection tube 7 to rotate. With the lens mounted on the detection tube 7 fixed, the gear 12 on the outer wall of the detection tube 7 drives the adjustment frame 6 to rotate. By controlling the rotation of the gear 12, the angle of rotation of the adjustment frame 6 can be automatically controlled to control the number of rotations of the focusing ring of the optical lens. The zoom adjustment of the optical lens can be precisely controlled without the need for manual operation by the staff, which further improves the convenience.

[0029] Example 3

[0030] like Figures 1-4As shown, according to the optical lens detection jig of the embodiment of the utility model, including bottom disc 1, operation platform 2, operation platform 2 is installed in the top of bottom disc 1, the top of bottom disc 1 is equipped with the installation bolt 3 symmetrically, the inside of operation platform 2 is equipped with detection table 4, detection table 4 top is connected with lens adapter 5, the inside of operation platform 2 is connected with adjusting frame 6, adjusting frame 6 includes rotary disc 13, threaded rod 14, threaded rod 14 is movably sleeved with the right side edge of the top of rotary disc 13, rotary disc 13 top side is equipped with sleeve joint hole 15, rotary disc 13 bottom side is connected with abutment plate 16 symmetrically, abutment plate 16 is arc plate structure specifically, and abutment plate 16 is located in the outside of sleeve joint hole 15, the opposite side of abutment plate 16 is fixedly connected with anti-skid tooth 17, the bottom end of threaded rod 14 is fixedly connected with fixed block 18, the outer wall of threaded rod 14 is symmetrically sleeved with locating nut 19, locating nut 19 is matched with threaded rod 14 screw connection, and the opposite side of locating nut 19 is closely attached with rotary disc 13, after assembling optical lens and lens adapter 5, rotary disc 13 is sleeved with the outside of optical lens, and make rotary disc 13 bottom side abutment plate 16 closely abut on the focusing ring of optical lens through anti-skid tooth 17, in the rotation of adjusting frame 6, the focusing ring of optical lens is rotated to operate, can be according to the position height of focusing ring on optical lens, can make rotary disc 13 be adjusted to the appropriate position on threaded rod 14, then through locating nut 19, rotary disc 13 is clamped and positioned, can be adapted to the adjustment focusing of different optical lens.

[0031] In summary, by means of the above technical scheme of the utility model, the device can be used to connect and assemble the adapted lens adapter 5 and the lens bayonet to be detected, the lens adapter 5 is embedded in the six-rib groove 10 of the top of the detection tube 7 through the connecting tube 9, and then the sensor inside the detection tube 7 detects the lens, which can quickly insert the lens adapter 5 into the inside of the detection table 4, after assembling the optical lens and the lens adapter 5, the rotary disc 13 is sleeved with the outside of the optical lens, and the rotary disc 13 bottom side abutment plate 16 is closely abut on the focusing ring of the optical lens through the anti-skid tooth 17, in the rotation of the adjusting frame 6, the focusing ring of the optical lens is rotated to operate, can be according to the position height of the focusing ring on the optical lens, can make the rotary disc 13 be adjusted to the appropriate position on the threaded rod 14, by starting the servo motor 11, the gear on the output shaft of the servo motor 11 meshes to drive the gear 12 on the outer wall of the detection tube 7 to rotate, which can make the detection tube 7 rotate with the adjusting frame 6 driven by the gear 12 on the outer wall of the detection tube 7, the number of rotations of the focusing ring of the optical lens can be automatically controlled by controlling the rotation of the gear 12 and the angle of rotation of the adjusting frame 6, and the zoom adjustment of the optical lens can be precisely controlled.

[0032] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An optical lens detection jig, comprising a base plate (1) and an operation table (2), characterized in that, The operation platform (2) is installed on the top of the chassis (1), the top of the chassis (1) is provided with a mounting bolt (3) symmetrically through, the inside of the operation platform (2) is provided with a detection platform (4), the top of the detection platform (4) is connected with a lens adapter (5), and the inside of the operation platform (2) is connected with an adjusting frame (6).

2. The optical lens detection tool of claim 1, wherein The detection platform (4) comprises a detection tube (7) and a mounting ring (8), the mounting ring (8) is fixedly sleeved on the top side of the detection tube (7) and flush with the top side of the detection tube (7), and the bottom of the lens adapter (5) is fixedly connected with a connecting pipe (9).

3. The optical lens detection tool of claim 2, wherein The connecting pipe (9) is a hexagonal pipe structure, the top side of the detection tube (7) is provided with a hexagonal groove (10), the connecting pipe (9) is embeddedly connected with the hexagonal groove (10), and the inner wall of the detection tube (7) is fixedly connected with a sensor.

4. The optical lens detection tool of claim 3, wherein The bottom side of the detection tube (7) is fixedly connected with the top of the chassis (1), the operation platform (2) is a hollow structure, one side of the bottom of the operation platform (2) is fixedly connected with a servo motor (11), and the output shaft of the servo motor (11) is sleeved with a gear (12) respectively.

5. The optical lens detecting tool according to claim 4, wherein The output shaft of the servo motor (11) extends into the wall cavity of the operation platform (2) and is fixedly connected with the gear (12), the outer wall of the detection tube (7) is connected and fixed with the inner side of the gear (12) through a bearing, the gears (12) are matched and engaged, and the adjusting frame (6) is fixedly connected with the top side of the gears (12) on the outer wall of the detection tube (7).

6. The optical lens detection tool of claim 5, wherein The adjusting frame (6) comprises a rotating disc (13) and a threaded rod (14), the threaded rod (14) is movably sleeved with the top right edge of the rotating disc (13), and the top side of the rotating disc (13) is provided with a sleeving hole (15) through.

7. The optical lens detection tool of claim 6, wherein The bottom side of the rotating disc (13) is symmetrically connected with an abutting plate (16), the abutting plate (16) is an arc plate structure, the abutting plate (16) is located outside the sleeving hole (15), and the opposite sides of the abutting plate (16) are fixedly connected with anti-skid teeth (17).

8. The optical lens detection tool of claim 7, wherein, The bottom end of the threaded rod (14) is fixedly connected with a fixed block (18), the outer wall of the threaded rod (14) is symmetrically sleeved with a positioning nut (19), the positioning nut (19) is matched and threadedly connected with the threaded rod (14), and the opposite sides of the positioning nut (19) are closely attached to the rotating disc (13) up and down.

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