Flexible pressing device and lens surface type detection clamp

Abstract

The utility model provides a flexible down-pressing device and a lens surface type detection clamp, the flexible down-pressing device is used for lens surface type detection, the flexible down-pressing device comprises a seat body, a rotating member, a pressing member and an adjusting member, and the rotating member is rotatably connected with the seat body; the pressing piece is connected with the rotating piece, and the pressing piece is used for abutting against and fixing the surface of the lens; the adjusting part is movably arranged in the seat body in a penetrating manner, the adjusting part is provided with an adjusting end, the rotating part is provided with an adjusting part used for being matched with the adjusting end, the adjusting end and / or the adjusting part are / is provided with an adjusting surface, the adjusting surface is an inclined surface or a curved surface, and when the adjusting part moves, the contact position between the adjusting end and the adjusting part is changed, and the pressing part is driven to adjust the pressure on the lens. According to the utility model, the problem that the pressing force is difficult to control when the surface type of the lens is detected in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lens detection, and particularly to a flexible pressing device and a lens surface detection clamp. BACKGROUND

[0002] In the lens surface detection process, the lens needs to be fixed after being placed on the fixture of the detection machine. At present, the industry mostly adopts two ways of pressing ring pressing and spring plunger side pushing to fix the lens. Although these two ways solve the positioning problem of the lens to some extent, they also have certain limitations. The biggest problem of pressing ring pressing is that the pressing force is not easy to control, and the change of surface type caused by excessive pressing force affects the test results. Another problem is that it is very time-consuming to disassemble the pressing ring every time, which reduces the detection efficiency of the lens. The problem of spring plunger side pushing is that the circumferential side pushing force provided by the spring plunger in thin lens detection will change the surface type of the lens, and the circumferential of the lens must be a cylindrical surface, not a bevel. If it is a bevel, the detection result will be wrong because the placement direction of the lens is changed. The defects of the above-mentioned traditional fixing methods highlight the urgency of finding a better solution to control the force acting on the lens in the field of lens detection, which not only relates to the reliability of the detection result, but also directly affects the production efficiency. SUMMARY

[0003] The main purpose of the utility model is to provide a flexible pressing device and a lens surface detection clamp to solve the problem of poor control of pressing force in the lens surface detection of the prior art.

[0004] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a flexible pressing device is provided for the detection of lens surface, which comprises a seat body, a rotating part, a pressing part and an adjusting part. The rotating part is rotatably connected with the seat body. The pressing part is connected with the rotating part, and is used for abutting and fixing with the surface of the lens. The adjusting part is movably arranged in the seat body. The adjusting part has an adjusting end, and the rotating part has an adjusting part for cooperating with the adjusting end. The adjusting end and / or the adjusting part has an adjusting surface, which is an inclined surface or a curved surface. When the adjusting part moves, the contact position between the adjusting end and the adjusting part changes, and the pressing part adjusts the pressure on the lens.

[0005] Further, the circumferential surface of the rotating part has a recess, which is the adjusting part. The recess is arc-shaped or triangular. The arc surface of the arc-shaped or the inclined surface of the triangular is the adjusting surface. And / or the adjusting part has a protrusion, which is the adjusting end. The protrusion is arc-shaped or triangular. The arc surface of the arc-shaped or the inclined surface of the triangular is the adjusting surface.

[0006] Furthermore, the rotating component also has a separation locking part, which is arranged along the circumference of the rotating component with the adjusting part. When the clamping part separates from the lens, the separation locking part can cooperate with the adjusting end and lock the position of the rotating component.

[0007] Furthermore, the adjusting component is threadedly connected to the base, and the adjusting component can move axially to adjust the positional relationship with the rotating component.

[0008] Furthermore, the flexible pressing device also includes a locking element, which is movably mounted on the base and can abut against the adjusting element to lock the position of the adjusting element.

[0009] Furthermore, the seat includes a first threaded hole and a second threaded hole, an adjusting member is disposed in the first threaded hole, a locking member is disposed in the second threaded hole, and the axes of the first threaded hole and the second threaded hole are set at an angle.

[0010] Furthermore, the flexible pressing device also includes an operating component, which is connected to the rotating component and can drive the rotating component to rotate.

[0011] Furthermore, the flexible pressing device also includes a limiting member, which is connected to the rotating member, and the limiting member and the operating member are arranged on both sides of the pressing member along the circumference of the rotating member.

[0012] Furthermore, the clamping member has a clamping end for contacting the lens, and the clamping end is an elastic part.

[0013] Furthermore, the rotating component includes: a rotating shaft and a rotating body. The two ends of the rotating shaft are rotatably connected to the housing via bearings. The rotating body is sleeved on the outer periphery of the rotating shaft and rotates synchronously with the rotating shaft. The outer periphery of the rotating body has an adjustment part.

[0014] According to another aspect of the present invention, a lens surface shape detection fixture is provided, including a base and a plurality of the above-mentioned flexible pressing devices, the base having a mounting area for mounting lenses, and each flexible pressing device being distributed circumferentially along the mounting area.

[0015] By applying the technical solution of this utility model, by setting an adjusting component, a rotating component, and a pressing component, the three components cooperate with each other, so that the adjusting component can drive the pressing component to adjust the pressure on the lens, thereby achieving precise control and adjustment of the pressure on the lens flange, thus overcoming the limitations and deficiencies of the traditional pressure ring pressing and spring plunger side pushing methods in the lens surface shape inspection process. Specifically, on the one hand, the adjusting end cooperates with the adjusting part, so that the adjusting part can drive the rotating part to rotate, and the rotating part can drive the clamping part to move, thereby adjusting the clamping force between the clamping part and the lens, thus achieving precise control and adjustment of the clamping force on the lens. On the other hand, when the adjusting end moves closer to the adjusting part, making the cooperation between the adjusting end and the adjusting part tighter, the damping of the rotating part will be greater, so that the clamping part can better maintain the clamping force on the lens when it is fixed to the lens. In this way, it can not only ensure that lenses of different thicknesses will not deform due to excessive pressure when fixed, thus ensuring the accuracy of lens test results, but also allow for the effective fixing of lenses with beveled surfaces, thereby greatly enhancing the adaptability of the lens surface inspection fixture to different types of lenses. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0017] Figure 1 A schematic diagram of the flexible pressing device of this utility model is shown;

[0018] Figure 2 It shows Figure 1 Another structural diagram from a different perspective;

[0019] Figure 3 A cross-sectional view of the rotating component and the base is shown;

[0020] Figure 4 A cross-sectional view of the flexible pressing device in its pressed-down state is shown;

[0021] Figure 5 A cross-sectional view of the flexible pressing device in the lens loading and unloading state is shown;

[0022] Figure 6 A schematic diagram of the lens surface shape detection fixture is shown.

[0023] The above figures include the following reference numerals:

[0024] 10. Base; 11. First threaded hole; 12. Second threaded hole; 20. Rotating component; 21. Rotating body; 211. Adjusting part; 212. Separation and locking part; 22. Rotating shaft; 30. Pressing component; 31. Pressing end; 40. Adjusting component; 41. Adjusting end; 50. Locking component; 60. Operating component; 70. Limiting component; 80. Base; 90. Lens flange. Detailed Implementation

[0025] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0027] In this utility model, unless otherwise stated, directional terms such as "upper," "lower," "top," and "bottom" are generally used in relation to the direction shown in the accompanying drawings, or in relation to the vertical, perpendicular, or gravitational direction of the component itself; similarly, for ease of understanding and description, "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0028] To address the problem of poor pressure control during lens surface shape inspection in existing technologies, this invention provides a flexible pressing device and a lens surface shape inspection fixture.

[0029] like Figures 1 to 5 The flexible pressing device shown is used for detecting the surface shape of a lens. It includes: a base 10, a rotating member 20, a clamping member 30, and an adjusting member 40. The rotating member 20 is rotatably connected to the base 10. The clamping member 30 is connected to the rotating member 20 and is used to abut and fix against the surface of the lens. The adjusting member 40 is movably inserted into the base 10. The adjusting member 40 has an adjusting end 41. The rotating member 20 has an adjusting part 211 for cooperating with the adjusting end 41. The adjusting end 41 and / or the adjusting part 211 have an adjusting surface, which is an inclined surface or a curved surface. When the adjusting member 40 moves, the contact position between the adjusting end 41 and the adjusting part 211 changes, and drives the clamping member 30 to adjust the pressure on the lens.

[0030] This embodiment sets up an adjusting component 40, a rotating component 20, and a pressing component 30, which work together to enable the adjusting component 40 to drive the pressing component 30 to adjust the pressure on the lens, thereby achieving precise control and adjustment of the pressure on the lens flange 90. This overcomes the limitations and deficiencies of traditional pressure ring pressing and spring plunger side pushing methods in the lens surface shape inspection process. Specifically, on the one hand, the adjusting end 41 cooperates with the adjusting part 211, so that the adjusting member 40 can drive the rotating member 20 to rotate, and the rotating member 20 can drive the clamping member 30 to move, thereby adjusting the clamping force between the clamping member 30 and the lens, thus achieving precise control and adjustment of the clamping force on the lens. On the other hand, when the adjusting end 41 moves closer to the adjusting part 211, making the cooperation between the adjusting end 41 and the adjusting part 211 tighter, the damping of the rotating member 20 will be greater, so that the clamping member 30 can better maintain the clamping force on the lens when it is abutting and fixed to the lens. In this way, it can not only ensure that lenses of different thicknesses will not deform due to excessive pressure when fixed, so as to ensure the accuracy of the lens test results, but also allow for the effective fixing of lenses with beveled surfaces on the periphery, thereby greatly enhancing the adaptability of the lens surface inspection fixture to different types of lenses.

[0031] It should be noted that the flexible pressing device in this embodiment is arranged around the lens. The lens includes a lens flange 90 and an optically effective area. The lens flange 90 is located at the edge of the lens, and the optically effective area is located at the center of the lens flange 90. The pressing member 30 is pressed against the surface of the lens, which means that the pressing member 30 is pressed against the surface of the lens flange 90 to avoid damaging the optically effective area of ​​the lens.

[0032] In this embodiment, the circumferential surface of the rotating member 20 has a recess, which is an adjusting part 211, and the adjusting member 40 has a protrusion, which is an adjusting end 41, such as... Figure 4 As shown, in this embodiment, the rotating member 20 is cylindrical and rotatably mounted on the base 10; the adjusting member 40 is also cylindrical, with its axial direction angled to the axial direction of the rotating body 21, so that the adjusting member 40 and the rotating member 20 can abut against each other at their respective close positions. When the rotating body 21 rotates, the recess on its peripheral side moves with the rotating body 21, allowing the recess to rotate to the axial position of the adjusting member 40. At this time, the adjusting member 40 moves towards the recess, allowing one end of the adjusting member 40 near the rotating body 21 to extend into the recess, thereby achieving abutment between the adjusting member 40 and the rotating body 21. Alternatively, the peripheral side of the rotating member 20 can have a protrusion, and the end of the pressing member 30 near the rotating member 20 can have a recess opening towards the rotating member 20, allowing the protrusion to extend into the recess to achieve abutment between the adjusting member 40 and the rotating member 20.

[0033] In this embodiment, the recess is arc-shaped or triangular, and the arc surface of the arc or the slope of the triangle serves as the adjustment surface; and / or the protrusion is arc-shaped or triangular, and the arc surface of the arc or the slope of the triangle serves as the adjustment surface. Thus, by setting the adjustment surface to intersect with the movement direction of the adjustment member 40—that is, the adjustment surface and the movement direction of the adjustment member 40 are neither completely perpendicular nor completely parallel—even after the protrusion extends into and abuts against the recess, a slight displacement of the adjustment member 40 can still cause a slight displacement of the rotating member 20. This changes the pressure of the clamping member 30 connected to the rotating member 20 on the lens, thereby adjusting the clamping force on the lens to accommodate the fixing of different types of lenses. Specifically, the adjustment surface, as the key to adjusting the clamping force, can be set as an arc surface or a triangular inclined surface. The triangular inclined surface means that the adjustment surface can also be set as an inclined plane. The adjustment surface forms an angle with the movement direction of the adjustment member 40, and the angle is not perpendicular to the movement direction of the adjustment member 40, so that when the adjustment member 40 moves, the position of the protrusion and the concave part can be changed, thereby causing the rotating member 20 to rotate, so as to adjust the clamping force of the clamping member 30 on the lens.

[0034] In this embodiment, both the concave portion and the protrusion are arc-shaped, with the arc surface serving as the adjustment surface. The concave portion is an arc-shaped concave portion, and the protrusion is an arc-shaped protrusion, with the curvature of the protrusion not less than that of the concave portion. This allows the protrusion to extend into the concave portion, and the clamping force of the clamping member 30 can be finely adjusted by changing the contact point between the arc surface of the adjusting member 40 and the arc surface of the rotating member 20. This allows for precise control of the clamping force of the clamping member 30 pressing down onto the lens flange 90, ensuring optimal fixation for lenses of different thicknesses or hardness and preventing changes or damage to the lens surface due to improper pressure. Preferably, the arc-shaped concave portion and the arc-shaped protrusion have the same curvature, making it easier for the adjusting end 41 and the adjusting part 211 to fit together. Alternatively, only one of the rotating member 20 and the adjusting member 40 may have an arc-shaped adjustment surface, allowing the adjusting member 40 to drive the rotating member 20 to adjust the clamping force of the clamping member 30 on the lens. One or both of the concave and convex parts can be set as triangular inclined surfaces. When the concave part is selected as a triangular inclined surface, the inclined surface can also be used as an adjustment surface. Utilizing the geometric characteristics of the inclined surface, as the screw-in depth of the adjustment member 40 changes, the change in the contact point between the inclined surface and the adjustment member 40 will be directly converted into the adjustment of the pressure on the lens, thus achieving precise control of the lens pressure.

[0035] In this embodiment, the rotating member 20 also has a separation locking part 212. The separation locking part 212 and the adjusting part 211 are arranged circumferentially along the rotating member 20. When the clamping member 30 is separated from the lens, the separation locking part 212 can cooperate with the adjusting end 41 to lock the position of the rotating member 20. In this way, when the lens is replaced, the separation locking part 212 cooperates with the adjusting part 40 to ensure that the rotating member 20 will not rotate arbitrarily, thereby protecting the clamping member 30 from damage. At the same time, it can also simplify the lens loading and unloading process and improve the continuity and stability of the inspection. Specifically, in this embodiment, the circumferential side of the rotating member 20 is also provided with a separation locking part 212. The separation locking part 212 can be a recess with the same shape as the adjusting part 211, or it can be a recess with other shapes. When the adjusting member 40 moves towards the rotating member 20, the end of the adjusting member 40 near the rotating member 20, that is, the adjusting end 41, can extend into the separation locking part 212 to fix the position of the rotating member 20, thereby improving the safety of the flexible pressing device and preventing the pressing member 30 from rotating arbitrarily due to the rotation of the rotating member 20 after the pressing member 30 moves away from the lens, which could lead to damage to the pressing member 30 or the lens. Of course, when the adjusting end 41 is a recess, the separation locking part 212 can be a protrusion.

[0036] In this embodiment, the adjusting member 40 is threadedly connected to the base 10. The adjusting member 40 can move axially to adjust its positional relationship with the rotating member 20. Through the threaded connection, the operator can easily adjust the position of the adjusting member 40, thereby changing the pressure of the clamping member 30 on the lens, thus meeting the pressure requirements under different testing conditions and improving the adaptability of the flexible pressing device. Specifically, the adjusting member 40 in this embodiment has an external thread on its outer periphery, and the base 10 has a threaded hole. The adjusting member 40 is disposed in the threaded hole. When the adjusting member 40 rotates in the threaded hole, the adjusting end 41 can move closer to or further away from the rotating member 20. When the adjusting part 211 cooperates with the adjusting end 41, the rotation of the adjusting member 40 in the threaded hole can adjust the pressure of the clamping member 30 on the lens. When the separating locking part 212 cooperates with the adjusting end 41, the rotation of the adjusting member 40 in the threaded hole can fix the position of the rotating member 20. The adjusting member 40 can be simply set as a ball plunger, or it can be set as an elastic ball plunger. The spherical surface of the ball is the aforementioned arc-shaped adjusting surface.

[0037] In this embodiment, the adjusting member 40 is configured as an elastic member, specifically a ball-head plunger. The outer periphery of the adjusting member 40 is threaded, and a spring is installed inside the thread. When the adjusting member 40 moves towards the adjusting part 211 and begins to abut against it, it continues to move towards the adjusting part 211. On one hand, the arc-shaped adjusting surface of the ball head and the arc-shaped adjusting surface of the adjusting part 211 fit together, causing the adjusting member 40 to drive the rotating member 20 to rotate, which in turn drives the pressing member. The lens is pressed down by the clamping member 30, and the adjusting member 40 continues to move closer to the rotating member 20 until the pressure of the clamping member 30 on the lens reaches the required pressure. The depth to which the adjusting member 40 is screwed into the threaded hole of the seat body 10 determines the pressure applied to the lens by the clamping member 30. On the other hand, as the adjusting surface of the adjusting end 41 approaches the adjusting surface of the adjusting part 211, the elastic force of the spring on the adjusting part 211, that is, the damping force of the adjusting member 40 to prevent the rotating member 20 from rotating, will increase, thereby enabling the clamping member 30 to maintain the pressure on the lens.

[0038] In this embodiment, the flexible pressing device further includes a locking member 50. The locking member 50 is movably disposed on the base 10 and can abut against the adjusting member 40 to lock the position of the adjusting member 40, thereby ensuring that the position of the adjusting member 40 is fixed after adjustment and preventing the position of the adjusting member 40 from changing due to vibration or other factors during the testing process, thus ensuring the smooth progress of the testing process. Specifically, the locking member 50 in this embodiment can be set as a locking screw. The base 10 is provided with a threaded hole, and the locking screw is disposed in the threaded hole. The threaded hole with the locking screw is connected to the threaded hole with the adjusting member 40. When the position of the adjusting member 40 is adjusted to the correct position, the locking member 50 rotates, and the end of the locking member 50 near the adjusting member 40 abuts against the outer periphery of the adjusting member 40, thereby locking the position of the adjusting member 40 and preventing the adjusting member 40 from rotating in the threaded hole, which would cause changes in the pressure of the pressing member 30 on the lens.

[0039] like Figure 1 , Figure 2 As shown, in this embodiment, the base 10 includes a first threaded hole 11 and a second threaded hole 12. An adjusting member 40 is disposed within the first threaded hole 11, and a locking member 50 is disposed within the second threaded hole 12. The axes of the first threaded hole 11 and the second threaded hole 12 are angled, thereby ensuring the locking effect of the locking member 50 on the adjusting member 40, while also ensuring that the operations of the adjusting member 40 and the locking member 50 do not interfere with each other, improving the overall stability and ease of operation of the flexible pressing device. Preferably, the first threaded hole 11 and the second threaded hole 12 are vertically arranged, so that the end face of the locking member 50 near the adjusting member 40 abuts against the outer peripheral surface of the adjusting member 40, thereby further ensuring the reliability of the locking member 50 in locking the adjusting member 40.

[0040] In this embodiment, the flexible pressing device also includes an operating component 60, which is connected to the rotating component 20. The operating component 60 can drive the rotating component 20 to rotate, thereby facilitating the loading and unloading of lenses, improving inspection efficiency, and reducing operational difficulty, making the inspection process more convenient and efficient. Specifically, in this embodiment, the operating component 60 is cylindrical and located on the outer periphery of the rotating component 20. The operating component 60 is located on the side of the pressing component 30 away from the lens, so that the operator can easily operate the operating component 60 to rotate the rotating component 20. This can significantly improve the efficiency of lens loading before inspection and lens unloading after inspection, reduce preparation time before and after inspection, and thus improve the overall efficiency of the inspection process.

[0041] In this embodiment, the flexible pressing device further includes a limiting member 70, which is connected to the rotating member 20 and is positioned along the circumference of the rotating member 20. The limiting member 70 and the operating member 60 are disposed on both sides of the pressing member 30. Thus, the limiting member 70 limits the rotation range of the rotating member 20, preventing excessive rotation that could damage the pressing member 30. It also helps maintain the stability of the lens position during the inspection process, ensuring the reliability of the inspection structure. Specifically, in this embodiment, the limiting member 70 is a cylindrical pin located on the outer periphery of the rotating member 20. The limiting member 70 is positioned on the side of the pressing member 30 away from the operating member 60, preventing accidental contact with the operating member 60 and damage to the pressing member 30 if the lens is not installed. The axial length of the limiting member 70 is less than that of the operating member 60, so that the limiting member 70 provides a limiting function without interfering with the normal rotation of the rotating member 20. Both the limiting member 70 and the operating member 60 can be fixed to the rotating member 20 with epoxy adhesive.

[0042] In this embodiment, the clamping member 30 has a clamping end 31 for contacting the lens. The clamping end 31 is an elastic part, which allows the clamping member 30 to adapt to the slight unevenness of the lens flange 90 surface, thereby ensuring uniform contact during the clamping process, avoiding damage to the lens flange 90 caused by hard contact, and improving the accuracy of detection. Moreover, regardless of whether the peripheral surface of the lens is a vertical cylindrical surface, the clamping member 30 can provide flexible downward pressure to the lens to reliably fix the lens for detection, thereby improving the applicability of the flexible downward pressure device to different lenses. Specifically, the clamping member 30 in this embodiment is plate-shaped and is disposed on the outer peripheral side of the rotating member 20, extending radially along the rotating member 20. When the adjusting member 40 cooperates with the adjusting part 211, the clamping member 30 clamps the lens, that is, the clamping end 31 abuts against the lens flange 90, thereby fixing the lens. The clamping end 31 is located at the end of the clamping member 30 away from the rotating member 20 and on the side of the clamping member 30 closest to the lens. The clamping end 31 protrudes from the surface of the other parts of the clamping member 30, thus providing a pressing point for the lens flange 90. The clamping end 31 can be configured as a hemisphere with a diameter of 1 mm, so that the clamping end 31 and the lens flange 90 are always in point contact during the process of being pressed down and deformed. This ensures that the abutment between the clamping member 30 and the lens flange 90 is achieved through point contact, thereby ensuring good contact between the lens flange 90 and the clamping end 31 and improving the stability and reliability of the inspection. Preferably, the clamping member 30 can be configured as an elastic element as a whole, with the entire clamping member 30 configured as a spring sheet. When the clamping end 31 abuts against the lens flange 90, it clamps the lens. The entire clamping member 30 can provide elastic force to prevent the lens from moving, making the flexible pressing device more gentle when fixing the lens, thereby further reducing the risk of lens damage.

[0043] In this embodiment, the rotating component 20 includes a rotating shaft 22 and a rotating body 21. The two ends of the rotating shaft 22 are rotatably connected to the base 10 via bearings. The rotating body 21 is sleeved on the outer periphery of the rotating shaft 22 and rotates synchronously with the rotating shaft 22. The outer periphery of the rotating body 21 has an adjustment part 211, thereby reducing friction between the rotating body 21 and the base 10, making the rotation of the rotating body 21 smoother, and extending the service life of the flexible pressing device, thus improving the efficiency of the testing work. Specifically, as... Figure 3As shown, in this embodiment, the base 10 is configured with a U-shaped structure, and the rotating component 20 is disposed within the groove of the U-shaped structure. Both the rotating body 21 and the rotating shaft 22 are cylindrical. The rotating body 21 is a cylindrical shape with an axial through hole, and the rotating shaft 22 is a cylindrical shape that is thicker in the middle and thinner at both ends along the axial direction. The rotating body 21 is sleeved on the outer periphery of the thicker part of the rotating shaft 22, and the two ends of the rotating shaft 22 are thinner cylindrical shapes. Each end is fitted with a bearing, and the outer periphery of the bearing cooperates with the base 10. End caps can be respectively provided on the two bearings at the ends of the rotating shaft 22 that are far apart from each other to seal the bearings. In this way, by connecting the rotating component 20 to the base 10 through the bearings, friction can be reduced. On the one hand, the operator can move the operating component 60 more smoothly, and only needs to move the operating component 60 to switch the state of the flexible pressing device, thereby facilitating the switching of lenses. On the other hand, when adjusting the pressure on the lens by controlling the depth of the adjusting component 40 screwed into the first threaded hole 11, the pressure adjustment can be more accurate, thereby enabling accurate calculation of the pressure applied to the lens. Optionally, a slit extending along the axial direction of the rotating body 21 can be provided on the periphery of the rotating body 21, and the clamping member 30 can be placed into the slit of the rotating body 21 and fixed with epoxy resin.

[0044] The flexible pressing device in this embodiment has two states: a pressing state, representing the lens being installed in place for testing, and a lens removal / placement state. The adjusting member 40 is screwed into the first threaded hole 11 of the base 10, so that the adjusting end 41 of the adjusting member 40 is directly opposite the adjusting part 211 of the rotating member 20. After the adjusting member 40 is screwed into the first threaded hole 11 to a certain depth and meets the pressure requirements for the lens, the locking member 50 fixes the adjusting member 40; this is the pressing state. The adjusting member 40 is screwed into the first threaded hole 11 and fixed in place with the separation locking part 212, with the pressing end 31 moving away from the lens; this is the lens removal / placement state.

[0045] like Figure 6As shown, this embodiment also provides a lens surface shape inspection fixture, including a base 80 and multiple flexible pressing devices as described above. The base 80 has an installation area for mounting lenses, and each flexible pressing device is distributed circumferentially along the installation area, thereby ensuring that the lens is subjected to uniform pressure during the inspection process, avoiding lens deformation caused by local stress concentration, and facilitating rapid positioning and fixing of the lens, thus improving the versatility of the flexible pressing device and the efficiency of the inspection work. Preferably, the multiple flexible pressing devices are axially symmetrical or centrally symmetrically distributed to keep the lens from moving or deforming, thereby facilitating the inspection of the optical performance of the lens. Preferably, three flexible pressing devices are provided, and the pressing end 31 provides a pressing point to the lens flange 90, thereby evenly distributing three pressing points circumferentially on the lens, and the pressure is adjustable. In this way, the flexible pressing device of this embodiment can not only quickly switch lenses, greatly improving the inspection efficiency, but also can inspect thin and thick lenses as well as lenses whose circumferential surface is not cylindrical, thereby increasing the applicability to different lenses.

[0046] The base 10 of the flexible pressing device in this embodiment is also provided with a waist-shaped hole, which is used to adjust the distance between the flexible pressing device and the lens flange 90 when the flexible pressing device is installed on the lens surface inspection fixture, so as to ensure that the pressing end 31 on the pressing member 30 can be located above the lens flange 90, so that the pressing end 31 can abut against the lens flange 90 each time the pressing member 30 is pressed down.

[0047] In practical applications, when inspecting lenses of different thicknesses or circumferential shapes, the operator can adjust the pressure of the clamping member 30 on the lens by changing the depth to which the adjusting member 40 is screwed into the first threaded hole 11. This ensures that the lens is securely fixed during inspection without deforming due to excessive pressure. For example, when inspecting thin lenses, the pressure can be appropriately reduced to prevent deformation; while when inspecting thick lenses, the pressure can be increased to ensure secure fixation. Furthermore, the lens can be easily loaded and unloaded under the control of the operating member 60, eliminating the need for frequent disassembly of the entire flexible pressing device. This significantly saves preparation time and improves inspection efficiency.

[0048] It should be noted that "multiple" in the above embodiments refers to at least two.

[0049] As can be seen from the above description, the embodiments of this utility model achieve the following technical effects:

[0050] 1. This solves the problem of poor pressure control during lens surface shape inspection in existing technologies;

[0051] 2. By setting up an adjusting component, a rotating component, and a clamping component, the three components work together to enable the adjusting component to drive the clamping component to adjust the pressure on the lens, thereby achieving precise control and adjustment of the pressure on the lens flange, thus overcoming the limitations and deficiencies of the traditional pressure ring clamping and spring plunger side pushing methods in the lens surface shape inspection process.

[0052] 3. The adjusting end cooperates with the adjusting part, so that the adjusting part can drive the rotating part to rotate, and the rotating part can drive the pressing part to move, thereby adjusting the pressing force between the pressing part and the lens, thus realizing precise control and adjustment of the pressing force of the lens.

[0053] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0054] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0055] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0056] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A flexible push-down device for detecting a lens face shape, characterized in that, The flexible pressing device comprises: a seat body (10); a rotating member (20) rotatably connected with the seat body (10); a pressing member (30) connected with the rotating member (20), the pressing member (30) being used to abut against and fix the surface of a lens; an adjusting member (40) movably arranged in the seat body (10), the adjusting member (40) having an adjusting end (41), the rotating member (20) having an adjusting portion (211) used to cooperate with the adjusting end (41), the adjusting end (41) and / or the adjusting portion (211) having an adjusting surface, the adjusting surface being an inclined surface or a curved surface, when the adjusting member (40) moves, the contact position between the adjusting end (41) and the adjusting portion (211) changes, and the pressing member (30) adjusts the pressure on the lens.

2. The flexible pressing device according to claim 1, wherein the circumferential surface of the rotating member (20) has a recess, the recess being the adjusting portion (211), the recess being arc-shaped or triangular, the arc surface of the arc-shaped recess or the inclined surface of the triangular recess being the adjusting surface; and / or the adjusting member (40) has a protrusion, the protrusion being the adjusting end (41), the protrusion being arc-shaped or triangular, the arc surface of the arc-shaped protrusion or the inclined surface of the triangular protrusion being the adjusting surface.

3. The flexible push-down device of claim 1, wherein, The rotating member (20) further has a separation locking portion (212), the separation locking portion (212) being arranged along the circumference of the rotating member (20) together with the adjusting portion (211), when the pressing member (30) separates from the lens, the separation locking portion (212) can cooperate with the adjusting end (41) and lock the position of the rotating member (20).

4. The flexible push-down device of claim 1, wherein, The adjusting member (40) is threadedly connected with the seat body (10), and can move axially to adjust the positional relationship with the rotating member (20).

5. The flexible push-down device of claim 1, wherein, The flexible pressing device further comprises a locking member (50), the locking member (50) being movably arranged on the seat body (10) and being capable of abutting against the adjusting member (40) to lock the position of the adjusting member (40).

6. The flexible push-down device according to claim 5, characterized in that The seat body (10) comprises a first threaded hole (11) and a second threaded hole (12), the adjusting member (40) is arranged in the first threaded hole (11), the locking member (50) is arranged in the second threaded hole (12), and the axes of the first threaded hole (11) and the second threaded hole (12) are arranged at an angle.

7. The flexible push-down device of claim 1, wherein, The flexible pressing device further comprises an operating member (60), the operating member (60) being connected with the rotating member (20), and the operating member (60) being capable of driving the rotating member (20) to rotate.

8. The flexible push-down device according to claim 7, characterized in that The flexible pressing device further comprises a limiting member (70), the limiting member (70) being connected with the rotating member (20) and being arranged along the circumference of the rotating member (20), the limiting member (70) and the operating member (60) being arranged on the two sides of the pressing member (30).

9. The flexible push-down device of claim 1, wherein, The pressing member (30) has a pressing end (31) for contacting the lens, the pressing end (31) being an elastic part.

10. The flexible push-down device of claim 1, wherein, The rotating member (20) comprises: a rotating shaft (22), both ends of the rotating shaft (22) being rotatably connected with the seat body (10) through bearings; a rotating body (21), the rotating body (21) being sleeved on the outer circumferential side of the rotating shaft (22), the rotating body (21) being synchronous with the rotating shaft (22), the outer circumferential side of the rotating body (21) having the adjusting part (211).

11. A lens face form inspection fixture, characterized by, A base (80) having a mounting area for mounting lenses, and a plurality of flexible pressing devices according to any one of claims 1 to 10 are circumferentially distributed along the mounting area.

Images