Lens focus point detection device

Abstract

The utility model relates to the technical field of detection devices, and discloses a lens focus point detection device which comprises a detection table, a rotating plate fixedly installed on the top face of the detection table, a lens arranged on one side of the rotating plate, a test plate arranged on one side of the rotating plate, a PLC fixedly installed on one side of the detection table and an adjusting assembly. The adjusting assembly is arranged on one side of the rotating plate, through mutual cooperative use of the detection table, the rotating plate, a lens, a fixing hole, a moving frame, a rotating frame, an overturning plate and a supporting column which are arranged, the effect of adjusting the level of a test plate can be achieved, the test plate can be horizontally and transversely adjusted and longitudinally and horizontally adjusted at the same time, and the detection efficiency is improved. According to the device, the irradiated focal spot is adjusted to be circular, detection is facilitated, the focal length can be rapidly measured through cooperative use of the movable ruler and the graduated scale, measurement steps are reduced, errors are reduced, and use by a user is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a lens focus point detection device. Background Art

[0002] With the rapid development of automotive lighting technology, compared with traditional lamps, the light shape of lenses is the most standard, with obvious light and dark cut-off lines, uniform brightness, strong penetration, and small light loss. Lens modules are used by more and more car models. However, during the use of lamps, when the car is parked at certain angles, the sunlight is refracted and reflected by the lens, forming a focal spot on or around the components, resulting in temperature concentration and ablation of components, thus causing immeasurable losses to car manufacturers and car lamp manufacturers. Therefore, it is necessary to detect the focal point of the lens to assist in solving the above problems.

[0003] The existing device for detecting sunlight focus of a headlight lens (Announcement No.: CN207456747U) has at least the following disadvantages:

[0004] In the above patent, the focal spot is made circular by adjusting the second precision rotating table, but the second precision rotating table can only adjust the sample horizontally and cannot adjust it vertically, so that the focal spot cannot be further adjusted into a circle. In addition, after obtaining the minimum focal spot, a series of manual measurements are required. The manual measurement steps are many, which increases the error of the calculation result. The operation is cumbersome and it is difficult to quickly and accurately obtain the focal length data. It is troublesome to use and has certain limitations. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a lens focus point detection device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A lens focus point detection device comprises a detection platform, a rotating plate is fixedly mounted on the top surface of the detection platform, a lens is arranged on one side of the rotating plate, a test plate is arranged on one side of the rotating plate, a PLC controller is fixedly mounted on one side of the detection platform, and also comprises an adjustment component, the adjustment component is arranged on one side of the rotating plate and is used to adjust the test plate, the adjustment component comprises: a fixing hole, the fixing hole is opened on one side of the rotating plate.

[0008] As a further solution of the utility model, the adjusting component also includes: a movable frame is movably sleeved inside the fixing hole, a first circular groove is opened on one side of the movable frame, a rotating mechanism is fixedly sleeved on the inner circular wall surface of the first circular groove, a rotating frame is fixedly installed on one end of the connecting column of the rotating mechanism, a first circular through hole is opened on both sides of the rotating frame, a supporting column is movably sleeved on the inner circular wall surface of the first circular through hole, a flip plate is fixedly installed between the two supporting columns, a first fixing plate is fixedly installed on one end of the supporting column located on the right side, a second fixing plate is fixedly installed on one side of the rotating frame, a second circular through hole is opened on one side of the second fixing plate, and a first circular through hole is fixedly sleeved on the inner circular wall surface of the second circular through hole A threaded tube, the inner circular wall surface of the first threaded tube is threadedly connected with a second threaded tube, a thin steel wire rope is fixedly installed on one side of the first fixed plate, the thin steel wire rope passes through the inner circular wall surfaces of the first threaded tube and the second threaded tube, a limiting block is fixedly installed on one end of the steel wire rope, a first spring is fixedly installed on one end of the first threaded tube, the first spring is movably connected with the thin steel wire rope, a second threaded hole is provided on the top surface of the fixing hole, a second threaded column is threadedly connected with the inner circular wall surface of the second threaded hole, a limiting groove is provided on one side of the rotating frame, the limiting groove is movably connected with the second threaded column, the outer circular wall surface of the second threaded column is movably connected with the second spring, and a first clamping mechanism is fixedly installed on the top surface of the flip plate.

[0009] As a further solution of the utility model, a support plate is fixedly installed on one side of the rotating plate, and second rectangular through holes are respectively opened on both sides of the support plate. A clamping plate is movably sleeved inside the second rectangular through hole, and the clamping plate is movably sleeved with the lens. Two springs are fixedly installed on one side of the clamping plate, and the springs are fixedly installed with the support plate.

[0010] As a further solution of the utility model, a driving mechanism is fixedly installed on the top surface of the rotating plate, the driving motor of the driving mechanism is electrically connected to the PLC controller, the bottom surface of the driving shaft of the driving motor of the driving mechanism is fixedly installed with a first threaded column, the top surface of the rotating plate is provided with a third circular through hole, the inner circular wall surface of the third circular through hole is movably connected to the first threaded column, the top surface of the movable frame is provided with a first threaded hole, and the first threaded hole is threadedly connected to the first threaded column.

[0011] As a further solution of the utility model, a fourth circular through hole is opened on one side of the detection platform, and a driving motor is fixedly sleeved on the inner circular wall of the fourth circular through hole. The driving motor is electrically connected to the PLC controller, and one end of the driving shaft of the driving motor is fixedly installed on the rotating plate.

[0012] As a further solution of the utility model, a scale is fixedly mounted on one side of the rotating plate, a rectangular groove is opened on the top surface of the detection platform, and a movable scale is arranged inside the rectangular groove.

[0013] As a further solution of the utility model, handles are fixedly installed on both sides of the testing platform.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. Through the coordinated use of the detection table, rotating plate, lens, fixed hole, mobile frame, rotating frame, flip plate and supporting column, the level of the test plate can be adjusted, so that the test plate can be adjusted horizontally and horizontally at the same time, and the irradiated focal spot can be adjusted into a circle, which is convenient for detection. The coordinated use of the moving ruler and the scale can quickly measure the focal length, reduce the measurement steps, reduce errors, and facilitate the use of users.

[0016] 2. Furthermore, by using the driving motor, the rotating plate and the lens in coordination with each other, the lens can be rotated so that the sunlight directly hits the lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a lens focus point detection device proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of a lens focus point detection device proposed by the utility model;

[0019] Figure 3 for Figure 2 Schematic diagram of the local structure of A;

[0020] Figure 4 This is a schematic diagram of the structure of a driving motor of a lens focusing point detection device proposed by the utility model.

[0021] In the figure: 1. test table; 2. rotating plate; 3. lens; 4. fixing hole; 5. moving frame; 6. rotating frame; 7. flip plate; 8. support column; 9. support plate; 10. first fixed plate; 11. first threaded tube; 12. first spring; 13. second fixed plate; 14. second threaded tube; 15. thin steel wire rope; 16. rotating mechanism; 17. first clamping mechanism; 18. driving mechanism; 19. test plate; 20. first threaded column; 21. first threaded hole; 22. driving motor; 23. second threaded hole; 24. second threaded column; 25. limit groove; 26. second spring; 27. moving ruler; 28. handle; 29. ​​clamping plate; 30. scale; 31. limit block. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Reference Figure 1-Figure 4A lens focus point detection device comprises a detection platform 1, a rotating plate 2 is fixedly installed on the top surface of the detection platform 1, a lens 3 is arranged on one side of the rotating plate 2, a test plate 19 is arranged on one side of the rotating plate 2, a PLC controller is fixedly installed on one side of the detection platform 1, an adjustment component is arranged on one side of the rotating plate 2 for adjusting the test plate 19, the adjustment component comprises: a fixing hole 4, the fixing hole 4 is opened on one side of the rotating plate 2, a moving frame 5 is movably sleeved inside the fixing hole 4, a first circular groove is opened on one side of the moving frame 5, a rotating mechanism 16 is fixedly sleeved on the inner circular wall surface of the first circular groove, the rotating mechanism 16 comprises a connecting column and a bearing fixedly sleeved on the outer circular wall surface, a rotating frame 6 is fixedly installed on one end of the connecting column of the rotating mechanism 16, first circular through holes are respectively opened on both sides of the rotating frame 6, a supporting column 8 is movably sleeved on the inner circular wall surface of the first circular through hole, a flip plate 7 is fixedly installed between the two supporting columns 8, and a first fixed plate is fixedly installed on one end of the supporting column 8 located on the right side 10, a second fixing plate 13 is fixedly installed on one side of the rotating frame 6, a second circular through hole is opened on one side of the second fixing plate 13, a first threaded tube 11 is fixedly sleeved on the inner wall of the second circular through hole, a second threaded tube 14 is threadedly connected to the inner wall of the first threaded tube 11, a thin steel wire rope 15 is fixedly installed on one side of the first fixing plate 10, the thin steel wire rope 15 passes through the inner wall of the first threaded tube 11 and the second threaded tube 14, a limit block 31 is fixedly installed on one end of the steel wire rope, and the first threaded tube 11 is fixedly sleeved on the inner wall of the first threaded tube 11 and the second threaded tube 14. A first spring 12 is fixedly installed at one end of a threaded tube 11, and the first spring 12 is movably connected to a thin steel wire rope 15. A second threaded hole 23 is provided on the top surface of the fixing hole 4, and a second threaded column 24 is threadedly connected to the inner circumferential wall surface of the second threaded hole 23. A limiting groove 25 is provided on one side of the rotating frame 6, and the limiting groove 25 is movably connected to the second threaded column 24. A second spring 26 is movably connected to the outer circumferential wall surface of the second threaded column 24, and a first clamping mechanism 17 is fixedly installed on the top surface of the flip plate 7.

[0026] In this embodiment, a support plate 9 is fixedly installed on one side of the rotating plate 2, and second rectangular through holes are respectively opened on both sides of the support plate 9. A clamping plate 29 is movably sleeved inside the second rectangular through hole, and the clamping plate 29 is movably sleeved with the lens 3. Two springs are fixedly installed on one side of the clamping plate 29, and the springs are fixedly installed with the support plate 9. A driving mechanism 18 is fixedly installed on the top surface of the rotating plate 2, and a driving motor of the driving mechanism 18 is electrically connected to the PLC controller. A first threaded column 20 is fixedly installed on the bottom surface of the driving shaft of the driving motor of the driving mechanism 18. A third circular through hole is opened on the top surface of the rotating plate 2, and the inner circular wall surface of the third circular through hole is connected to the first threaded column 20. A first threaded hole 21 is provided on the top surface of the movable frame 5, and the first threaded hole 21 is threadedly connected to the first threaded column 20. A fourth circular through hole is provided on one side of the detection platform 1, and a driving motor 22 is fixedly provided on the inner circular wall of the fourth circular through hole. The driving motor 22 is electrically connected to the PLC controller, and one end of the driving shaft of the driving motor 22 is fixedly installed on the rotating plate 2. A scale 30 is fixedly installed on one side of the rotating plate 2, and the starting scale of the scale 30 is parallel to the optical center point of the lens 3. A rectangular groove is provided on the top surface of the detection platform 1, and a movable ruler 27 is arranged inside the rectangular groove. Handles 28 are fixedly installed on both sides of the detection platform 1.

[0027] By setting the driving motor 22, when the sun is not directly shining on the lens 3 vertically, the driving motor 22 is started to drive the rotating plate 2 to rotate and drive the lens 3 to rotate, so that the lens 3 faces the sunlight and keeps the sunlight vertical to the lens 3.

[0028] From the above description, it can be seen that the above-mentioned embodiment of the utility model achieves the following technical effects: through the setting of the test platform 1, when the user needs to measure the focal length of the lens 3, the user holds the handles 28 through the two provided handles 28 and takes the test platform 1 to a place where the sun shines directly, so that at this time, the lens 3 is clamped by the provided clamping plate 29, and then the user clamps the test plate 19 through the provided first clamping mechanism 17, thereby fixing the test plate 19, and then through the provided second threaded column 24, the user rotates the second threaded column 24 to move inside the second threaded hole 23, so that the second threaded column 24 is moved inside the second threaded hole 23. The bottom pushes the inside of the limit groove 25, thereby pushing the rotating frame 6 to rotate around the rotating mechanism 16, and the second spring 26 is provided to push the rotating frame 6 and the fixing hole 4 to prevent the rotating frame 6 from having unnecessary shaking, thereby adjusting the lateral rotation of the rotating frame 6, the flip plate 7 and the test plate 19, so that the light spot irradiated by the sun on the top surface of the test plate 19 tends to be circular, and then, through the second threaded tube 14, the second threaded tube 14 is rotated to rotate inside the first threaded tube 11, so that the second threaded tube 14 is rotated from the inside of the first threaded tube 11, so that the second threaded tube 14 moves forward and backward to push the first spring 12 to push the first fixed plate 10 to rotate backward, or the second threaded tube 14 The thin steel wire rope 15 is pulled to pull the first fixed plate 10 to rotate forward to squeeze the first spring 12, so that the first fixed plate 10 drives the support column 8, the flip plate 7 and the test plate 19 to perform longitudinal rotation adjustment, so that the light spot is circular, and then, through the provided driving mechanism 18, the driving mechanism 18 is started to drive the first threaded column 20 to rotate inside the first threaded hole 21, so that the first threaded hole 21 and the first threaded column 20 convert the rotational motion into a linear motion, so that the fixed hole 4 moves up and down to drive the test plate 19 to move, so that the light spot gradually shrinks to the minimum point, so at this time, pick up the moving ruler 27 on the top surface of the test table 1, place the moving ruler 27 on the top surface of the test plate 19, and place one side of the moving ruler 27 against the scale 3 0, observe the scale of the scale 30, that is, the scale on the bottom surface of the movable ruler 27 and the scale 30 is parallel to the focal length of the lens 3, and the user can use a thermal imager (existing technology, no longer repeated) to test the temperature value of the focal spot, so as to facilitate the selection of the material and surface treatment process of the test plate 19 and avoid high temperature damage to the material, thereby comprehensively achieving the effect of adjusting the level of the test plate 19, so that the test plate 19 can be adjusted horizontally and horizontally at the same time, and the irradiated focal spot is truly adjusted into a circle, which is convenient for detection, and the coordinated use of the movable ruler 27 and the scale 30 can quickly measure the focal length, reduce the measurement steps, reduce errors, and facilitate the use of users.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A lens focus point detection device, comprising a detection platform (1), a rotating plate (2) is fixedly mounted on the top surface of the detection platform (1), a lens (3) is arranged on one side of the rotating plate (2), a test plate (19) is arranged on one side of the rotating plate (2), and a PLC controller is fixedly mounted on one side of the detection platform (1), characterized in that: It also includes an adjustment component, which is arranged on one side of the rotating plate (2) and is used to adjust the test plate (19). The adjustment component includes: a fixing hole (4), and the fixing hole (4) is opened on one side of the rotating plate (2).

2. A lens focus point detection device according to claim 1, characterized in that: The adjustment component further comprises: a movable frame (5) is movably sleeved inside the fixing hole (4); a first circular groove is provided on one side of the movable frame (5); a rotating mechanism (16) is fixedly sleeved on the inner circular wall surface of the first circular groove; a rotating frame (6) is fixedly mounted on one end of a connecting column of the rotating mechanism (16); first circular through holes are provided on both sides of the rotating frame (6); a supporting column (8) is movably sleeved on the inner circular wall surface of the first circular through hole; a flip plate (7) is fixedly mounted between the two supporting columns (8); a first fixing plate (10) is fixedly mounted on one end of the supporting column (8) located on the right side; a second fixing plate (13) is fixedly mounted on one side of the rotating frame (6); a second circular through hole is provided on one side of the second fixing plate (13); a first threaded tube (11) is fixedly sleeved on the inner circular wall surface of the second circular through hole; a first threaded tube (11) is threadedly connected to the inner circular wall surface of the first threaded tube (11); A second threaded tube (14), a thin steel wire rope (15) is fixedly installed on one side of the first fixed plate (10), the thin steel wire rope (15) passes through the inner circular wall of the first threaded tube (11) and the second threaded tube (14), a limiting block (31) is fixedly installed on one end of the steel wire rope, a first spring (12) is fixedly installed on one end of the first threaded tube (11), the first spring (12) is movably connected with the thin steel wire rope (15), a second threaded hole (23) is provided on the top surface of the fixing hole (4), the inner circular wall of the second threaded hole (23) is threadedly connected with a second threaded column (24), a limiting groove (25) is provided on one side of the rotating frame (6), the limiting groove (25) is movably connected with the second threaded column (24), the outer circular wall of the second threaded column (24) is movably connected with a second spring (26), and a first clamping mechanism (17) is fixedly installed on the top surface of the flip plate (7).

3. A lens focus point detection device according to claim 1, characterized in that: A support plate (9) is fixedly mounted on one side of the rotating plate (2), and second rectangular through holes are respectively opened on both sides of the support plate (9), and a clamping plate (29) is movably sleeved inside the second rectangular through hole, and the clamping plate (29) is movably sleeved with the lens (3), and two springs are fixedly mounted on one side of the clamping plate (29), and the springs are fixedly mounted on the support plate (9).

4. A lens focus point detection device according to claim 2, characterized in that: A driving mechanism (18) is fixedly mounted on the top surface of the rotating plate (2), a driving motor of the driving mechanism (18) is electrically connected to the PLC controller, a first threaded column (20) is fixedly mounted on the bottom surface of a driving shaft of the driving motor of the driving mechanism (18), a third circular through hole is provided on the top surface of the rotating plate (2), an inner circular wall surface of the third circular through hole is movably sleeved with the first threaded column (20), a first threaded hole (21) is provided on the top surface of the movable frame (5), and the first threaded hole (21) is threadedly connected to the first threaded column (20).

5. The lens focus point detection device according to claim 1, characterized in that: A fourth circular through hole is provided on one side of the detection platform (1), a driving motor (22) is fixedly sleeved on the inner circular wall of the fourth circular through hole, the driving motor (22) is electrically connected to the PLC controller, and one end of the driving shaft of the driving motor (22) is fixedly mounted on the rotating plate (2).

6. A lens focus point detection device according to claim 1, characterized in that: A scale (30) is fixedly mounted on one side of the rotating plate (2), a rectangular groove is provided on the top surface of the detection platform (1), and a movable scale (27) is arranged inside the rectangular groove.

7. A lens focus point detection device according to claim 1, characterized in that: Handles (28) are fixedly mounted on both sides of the testing platform (1).

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