Flexible clamping device for clamping optical lens
By designing a flexible clamping device and utilizing the combined structure of a turntable and a slider, fast and secure clamping of optical lenses of different sizes is achieved, solving the problem of the non-universality of existing clamping tooling, reducing costs and improving adaptability.
Patent Information
- Application Number
- CN202422819936.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Existing optical lens clamping tools are not universal for optical lenses of different sizes, resulting in a large number of fixtures, high costs and lack of universality.
A flexible clamping device was designed, including a connecting column, a base, a turntable, a pressure block and a slider. The rotation of the turntable drives the slider to move radially along the arc-shaped slot and the gap between the pressure block, which is suitable for optical lenses of different diameters. The device is fixed by combining a handle and a screw hole, and the clamping device provides elastic clamping.
It achieves fast and firm clamping of optical lenses of different sizes, reduces the frequency of tooling replacement, lowers production costs, and has a wide adaptability, suitable for lenses with a diameter of 25mm-60mm.
Smart Images
Figure CN223431497U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tool holder technical field, more particularly, relate to a kind of flexible clamping device for clamping optical lens. BACKGROUND
[0002] When optical lens is cleaned, in order to ensure the stability and safety of lens, tool is used to clamp optical lens, to prevent lens from moving or damaging in the process of scrubbing.
[0003] Optical lens is various in size according to product model or user demand.Different sizes of clamping tool are not universal, and the number of corresponding clamping tool is large, and the cost is high.
[0004] Therefore, it is urgent to develop a clamping device that can adapt to optical lenses of different sizes, to realize the universality of optical lens clamping tool for lenses of different sizes, save cost and be convenient to use. SUMMARY
[0005] The utility model solves the technical problems that the existing optical lens clamping tool is not universal with optical lenses of different sizes, and one size of optical lens needs one size of clamping tool.
[0006] To solve the above technical problems, the utility model provides a flexible clamping device for clamping optical lens, it includes from below to above is arranged in proper order: connecting post, connecting post is hollow cylinder structure, has two ends, wherein, located in the one end of lower end connection provides power electric rotating disc, located in the other end of upper end fixed connection base; Base, base is disc structure, base is coaxial connection with connecting post; Rotating disc, rotating disc is installed on the base, the center of rotating disc is provided with through -hole, the through -hole inner diameter of rotating disc center is greater than the outer diameter of connecting post upper end, rotating disc is set on connecting post, and rotating disc is the concentric circle of the diameter less than base diameter and base; Wherein, rotating disc is provided with a plurality of spiral uniform distribution arc slot, one end of arc slot is close to the center of rotating disc, and the other end is close to the circumferential side of rotating disc; Press block, the circumference of base is located at the edge greater than the diameter of rotating disc and is provided with protrusion, and press block is fixedly connected with base through edge protrusion; Press block is a plurality of sector structures, and the gap is reserved between a plurality of sector structures, and the gap is used to accommodate the sliding block, so that the sliding block can move radially along the gap; Sliding block, the sliding block is a plurality of, the sliding block has two ends, one end is upper end, and optical lens clamping device is arranged, the other end is lower end, and the distance between each sliding block is controlled, so that the optical lens of different diameters is adapted; The lower end of sliding block has radial part and cylindrical part from top to bottom, the radial part is rectangular parallelepiped structure, and the cylindrical part is cylindrical structure, wherein, the radial part is arranged in the gap reserved between the sector of press block, so that the sliding block can move radially along the gap, and the sliding block protrudes from the main body of the sliding block in the direction perpendicular to the radial direction, the straight edge edge of the sector of press block is provided with a step, so that the gap is matched with the radial part of the sliding block; The width of the arc slot of the rotating disc is less than the gap of the press block, and the cylindrical part of the sliding block is matched, so that the sliding block can relatively slide along the arc slot of the rotating disc, wherein, when the relative angle of the rotating disc and the press block is changed, the cylindrical part of the sliding block is moved, so that the sliding block moves radially along the gap of the press block, thereby increasing or reducing the radial distance formed between a plurality of press blocks; When the relative position of the rotating disc and the base is unchanged, the position of the sliding block is fixed due to the relative position of the arc slot and the gap of the press block being unchanged.
[0007] According to the embodiment of the utility model, the flexible clamping device for clamping optical lens can further include: a handle hole is formed on the side edge of the rotating disc circumference, the handle hole is used for inserting the handle, the rotating disc is conveniently operated to rotate, the distance between the sliding blocks is changed, the protrusion is discontinuous on the edge of the base circumference greater than the diameter of the rotating disc, and a handle slot is reserved for passing through the handle.
[0008] According to the embodiment of the utility model, a stop screw hole can be formed on the side edge of the base edge protrusion, the stop screw is passed through the stop screw hole, the rotating disc is abutted, the rotating disc is fixed when the rotating disc is rotated to the appropriate position, and the relative position between the sliding blocks is fixed.
[0009] According to the embodiment of the utility model, the optical lens clamping device can be arranged on the slider, comprising a chuck, a connecting shaft, a sliding sleeve, a locking screw, a spring and a nut, the connecting shaft has two ends, the chuck is connected with one end of the connecting shaft through thread, a boss is arranged on the chuck for placing the lens, the connecting shaft passes through the through hole arranged on the upper part of the slider, the sliding sleeve, the spring and the locking screw are sleeved on the internal section of the connecting shaft in the through hole of the upper part of the slider for providing elastic force when the chuck clamps the lens, the other end of the connecting shaft protrudes from the slider, and a nut is arranged on the protruding part of the connecting shaft for limiting the connecting shaft to prevent the connecting shaft from falling out of the slider.
[0010] According to the embodiment of the utility model, the edge of the base can be provided with a fixing hole at the protruding position, which is used for fixing the pressing block to the base through a screw.
[0011] According to the embodiment of the utility model, the number of the arc-shaped slots on the rotating disc corresponds to the number of the pressing blocks. Preferably, the number of the arc-shaped slots on the rotating disc and the number of the pressing blocks are both three. Specifically, the number can be determined according to the user's needs, which is not limited to this.
[0012] According to the embodiment of the utility model, the connecting column can comprise multiple cylindrical sections with different radii, and the hollow part is a tapered hole arranged at one end close to the powered electric rotating disc, which is used for being sleeved on the rotating shaft of the electric rotating disc to achieve quick and firm connection.
[0013] According to the embodiment of the utility model, the top of the connecting column and the center of the base can be provided with threads for fixedly connecting the connecting column and the base.
[0014] According to the embodiment of the utility model, the materials of the base, the rotating disc and the pressing block at positions not affecting the strength and function can be removed and subjected to hollowing treatment to reduce the weight of the whole clamping device and save materials.
[0015] Compared with the prior art, the technical scheme provided by the embodiment of the utility model can at least achieve the following beneficial effects:
[0016] The flexible clamping device for clamping optical lenses according to the utility model is applied to clamping of circular optical lenses during cleaning and wiping, is suitable for flexible clamping of different optical lenses within a certain size range, has the advantages of quick clamping, convenient cleaning and wiping, firm clamping and the like.
[0017] Compared with the traditional mode of using a special fixture for an optical lens, the flexible clamping device for clamping optical lenses according to the utility model has a simpler and more reliable structure, reduces tooling operation replacement, saves tooling manufacturing cost, has wide adaptability, and can clamp lenses with a size of about 25mm-60mm in diameter, which can meet the requirements of cleaning and wiping of optical lenses of most photoelectric products. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings of the embodiments, obviously, the drawings described in the following description only relate to some embodiments of the present application, but not limit the present application.
[0019] Figure 1 is a schematic view showing a flexible clamping device for clamping an optical lens according to an embodiment of the present application;
[0020] Figure 2 is Figure 1 a partial enlarged view of
[0021] Figure 3a is a schematic view showing a connecting column according to an embodiment of the present application;
[0022] Figure 3b is Figure 3a a sectional view of
[0023] Figure 4 is a schematic view showing a base according to an embodiment of the present application;
[0024] Figure 5 is a schematic view showing a rotating disc according to an embodiment of the present application;
[0025] Figure 6 is a schematic view showing a pressing block according to an embodiment of the present application;
[0026] Figure 7a is a schematic view showing a sliding block according to an embodiment of the present application;
[0027] Figure 7b is Figure 7a a sectional view of DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings of the embodiments of the present application to clearly and completely describe the technical scheme of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0029] Unless otherwise defined, technical terms or scientific terms used herein shall have the same meaning as commonly understood by one of ordinary skill in the art to which this practical new type belongs. The terms "first", "second", and similar terms used in the description and claims of the practical new type patent application do not necessarily indicate any order, number or importance, but are only used to distinguish different components. Similarly, the terms "one" or "a" and similar terms do not necessarily indicate a quantity limitation, but indicate the existence of at least one.
[0030] Figure 1 is a schematic diagram showing a flexible clamping device for clamping an optical lens according to an embodiment of the practical new type.
[0031] As shown in Figure 1 , the flexible clamping device for clamping an optical lens comprises, from bottom to top, a connecting column 1, a base 2, a rotating disc 3, a pressing block 4 and a sliding block 5.
[0032] The connecting column 1 is a hollow cylindrical structure with two ends, wherein the end at the lower end is connected to the power-driven rotating disc 3, and the other end at the upper end is fixedly connected to the base 2.
[0033] The base 2 is a disc-shaped structure, and the base 2 is coaxially connected with the connecting column 1. The circumference of the base 2 is provided with a protrusion at an edge larger than the diameter of the rotating disc 3, and the pressing block 4 is fixedly connected with the base 2 through the edge protrusion.
[0034] Figure 5 is a schematic diagram of a rotating disc according to an embodiment of the practical new type.
[0035] As shown in Figure 5 , the rotating disc 3 is installed on the base 2, and the rotating disc 3 is provided with a through hole at the center, the inner diameter of the through hole at the center of the rotating disc 3 is greater than the outer diameter of the upper end of the connecting column 1, the rotating disc 3 is sleeved on the connecting column 1, and the rotating disc 3 is a concentric circle of the base 2 with a diameter smaller than the diameter of the base 2; wherein the rotating disc 3 is provided with a plurality of arc-shaped grooves 31 uniformly distributed in a spiral shape, one end of the arc-shaped groove 31 is close to the center of the rotating disc 3, and the other end is close to the circumferential side of the rotating disc 3.
[0036] Figure 6 is a schematic diagram of a pressing block according to an embodiment of the practical new type.
[0037] As shown in Figure 6 , the pressing block 4 is a plurality of fan-shaped structures, and a gap 41 is reserved between the plurality of fan-shaped structures for accommodating the sliding block 5, so that the sliding block 5 can move radially along the gap 41.
[0038] The sliding block 5 is a plurality of sliding blocks 5, and the sliding block 5 has two ends, one end being the upper end and being provided with an optical lens clamping device, and the other end being the lower end for controlling the spacing of each sliding block 5 to adapt to optical lenses of different diameters.
[0039] Figure 7a 1 is a schematic diagram showing a slider according to an embodiment of the present utility model; Figure 7b yes Figure 7a sectional view.
[0040] like Figure 7a and Figure 7b As shown, the lower end of the slider 5 has a radial portion 51 and a cylindrical portion 52 from top to bottom, the radial portion 51 is a rectangular parallelepiped structure, and the cylindrical portion 52 is a cylindrical structure, wherein the radial portion 51 is arranged in the gap 41 retained between the sectors of the pressure block 4, so that the slider 5 can slide radially along the gap 41, and the slider 5 protrudes from the main body of the slider 5 in a direction perpendicular to the radial direction, and the sector-shaped straight edge of the pressure block 4 is provided with a step for matching the gap 41 with the radial portion 51 of the slider 5; the width of the arc-shaped slot 31 of the turntable 3 is smaller than the gap 41 of the pressure block 4, and matches with the cylindrical portion 52 of the slider 5, so that the slider 5 can slide relative to the arc-shaped slot 31 of the turntable 3.
[0041] When the turntable 3 rotates to change the relative angle with the pressure block 4, the cylindrical portion 52 of the slider 5 is driven to move, so that the slider 5 moves radially along the gap 41 of the pressure block 4, thereby increasing or decreasing the radial distance formed between the multiple pressure blocks 4; when the relative position of the turntable 3 and the base 2 remains unchanged, the slider 5 is fixed in position due to the unchanged relative position of the arc-shaped slot 31 and the gap 41 of the pressure block 4.
[0042] The position where the arc-shaped groove 31 and the gap 41 of the pressure block 4 overlap is the position of the slider 5. In this way, the relative position of the slider 5 can be found by rotating the turntable 3. It is easy to operate and accurate. The size of the clamped optical lens does not need to be fixed. The clamping device can adapt to optical lenses of various sizes and has strong versatility.
[0043] The flexible clamping device for clamping optical lenses according to the utility model is used for clamping circular optical lenses during cleaning and is suitable for flexible clamping of different optical parts within a certain size range. It has the advantages of fast clamping, convenient cleaning, and firm clamping.
[0044] According to one or some embodiments of the present invention, the flexible clamping device for clamping optical lenses also includes: a handle 6, a handle 6 hole 32 is opened on the side of the circumference of the turntable 3, for inserting the handle 6, so as to facilitate the operation of the turntable 3 to rotate so as to change the distance between the sliders 5, and the protrusion set on the edge of the circumference of the base 2 that is larger than the diameter of the turntable 3 is discontinuous, and a handle 6 groove 21 is retained for passing the handle 6.
[0045] Figure 4 2 is a schematic diagram showing a base according to an embodiment of the present utility model.
[0046] like Figure 4As shown, a stop screw hole 22 is provided on the raised side of the edge of the base 2 for passing a stop screw to press against the turntable 3 so as to fix the turntable 3 when it is rotated to a suitable position, thereby fixing the relative positions between the sliders 5.
[0047] Figure 2 yes Figure 1 A partial enlarged view of .
[0048] like Figure 2 As shown, the slider 5 is provided with an optical lens clamping device including a chuck 7, a connecting shaft 8, a sleeve 81, a locking screw 83, a spring 82 and a nut. The connecting shaft 8 has two ends, and the chuck 7 is connected to one end of the connecting shaft 8 by a thread. A boss is provided on the chuck 7 for placing the lens; the connecting shaft 8 passes through a through hole provided on the upper part of the slider 5, and the connecting shaft 8 is located in the inner section of the through hole on the upper part of the slider 5 and is sleeved with a sleeve 81, a spring 82 and a locking screw 83 for providing elastic force for the chuck 7 when clamping the lens; the other end of the connecting shaft 8 protrudes from the slider 5, and a nut is installed on the protruding part of the connecting shaft 8 for limiting the connecting shaft 8 to prevent the connecting shaft 8 from falling out of the slider 5.
[0049] According to one or some embodiments of the present invention, a fixing hole 23 is provided at a raised position on the edge of the base 2 for fixing the pressing block 4 to the base 2 via screws.
[0050] According to one or some embodiments of the present invention, there are 3-6 pressing blocks 4 , and the number of the arc-shaped slots 31 on the turntable 3 corresponds one-to-one to the number of the pressing blocks 4 .
[0051] According to one or some embodiments of the present invention, the number of arc-shaped slots 31 on the pressing block 4 and the turntable 3 is three.
[0052] Figure 3a Schematic diagram showing a connecting column according to an embodiment of the present utility model; Figure 3b yes Figure 3a sectional view.
[0053] like Figure 3a and 3b As shown, the connecting column 1 includes multiple cylindrical sections with different radii. The hollow part is a tapered hole 11 near one end of the electric turntable 3 that provides power, which is used to be sleeved on the rotating shaft of the electric turntable 3 to achieve a quick and firm connection.
[0054] According to one or some embodiments of the present invention, threads are provided at the top of the connecting column 1 and the center of the base 2 for fixedly connecting the connecting column 1 and the base 2 .
[0055] According to one or some embodiments of the present invention, materials at positions that do not affect strength and function in the base 2, turntable 3, and pressing block 4 are removed and hollowed out to reduce the weight of the entire clamping device and save materials.
[0056] In use, the tool assembly of the lens clamping device is assembled, the handle 6 is inserted into the handle 6 hole 32 on the upper side of the rotating disc 3, and is moved along the handle 6 slot 21 of the base 2, at this time, the rotating disc 3 is correspondingly rotated, but the slot of the rotating disc 3 has the slider 5 inserted, so that the slider 5 is moved together, and since the slider 5 is also limited in radial movement by the pressing block 4, the slider 5 can only move along the gap 41 between the pressing blocks 4. The three evenly distributed slots on the rotating disc 3 can well ensure the synchronism of the three sliders 5 in movement, and ensure that the three sliders 5 are simultaneously moved forward or backward.
[0057] When the clamping head 7 is in contact with the lens, the rotating disc 3 is further rotated, the spring 82 inside the slider 5 is deformed, the clamping head 7 is pushed to clamp the lens by the elastic potential energy provided by the spring 82. The three clamping heads 7 clamping the lens can ensure self-centering, which is beneficial to clamping the lens.
[0058] The slot on the rotating disc 3 can realize self-locking of the structure, when the lens is clamped, the handle 6 is removed, and the rotating disc 3 will not automatically reset, and needs to be moved in the reverse direction to loosen.
[0059] Compared with the traditional special fixture for optical lenses, the flexible clamping device for clamping optical lenses has a simpler and more reliable structure, reduces tool operation replacement, saves tool manufacturing cost, has wide adaptability, can clamp lenses with a size of about 25-60 mm in diameter, and can meet the requirements of most photoelectric products in terms of optical lens size cleaning.
[0060] The above only describes exemplary embodiments of the present application, and is not used to limit the protection scope of the present application, and the protection scope of the present application is determined by the appended claims.
Claims
1. A flexible clamping device for clamping an optical lens, characterized in that: Including the following settings from bottom to top: A connecting column, which is a hollow cylindrical structure with two ends, wherein one end located at the lower end is connected to the electric turntable that provides power, and the other end located at the upper end is fixedly connected to the base; A base, the base being a disc-shaped structure, and the base is coaxially connected to the connecting column; A turntable, the turntable being mounted on the base, the turntable having a through hole in its center, the inner diameter of the through hole in the center of the turntable being larger than the outer diameter of the upper end of the connecting post, the turntable being sleeved on the connecting post, the turntable being a concentric circle with a diameter smaller than the diameter of the base; wherein a plurality of spirally evenly distributed arcuate slots are provided on the turntable, one end of the arcuate slot being close to the center of the turntable and the other end being close to the circumference of the turntable; A pressure block is provided with a protrusion at the edge of the base which is larger than the diameter of the turntable, and the pressure block is fixedly connected to the base via the edge protrusion; the pressure block is a plurality of fan-shaped structures, and gaps are reserved between the plurality of fan-shaped structures for accommodating a slider, so that the slider can slide radially along the gap; The slider is provided with multiple sliders, and the slider has two ends, one end is the upper end, which is provided with an optical lens clamping device, and the other end is the lower end, which is used to control the spacing between the sliders, so as to adapt to optical lenses of different diameters; the lower end of the slider has a radial portion and a cylindrical portion from top to bottom, the radial portion is a rectangular parallelepiped structure, and the cylindrical portion is a cylindrical structure, wherein the radial portion is arranged in the gap retained between the sectors of the pressure block, so that the slider can slide radially along the gap, and the slider protrudes from the main body of the slider in a direction perpendicular to the radial direction, and the sector-shaped straight edge of the pressure block is provided with a step, so that the gap is matched with the radial portion of the slider; the arc-shaped slot of the turntable has a width smaller than the gap of the pressure block, and cooperates with the cylindrical portion of the slider, so that the slider can slide relatively along the arc-shaped slot of the turntable, When the turntable rotates to change the relative angle with the pressure block, the cylindrical part of the slider is driven to move, so that the slider moves radially along the gap between the pressure blocks, thereby increasing or decreasing the radial distance formed between the multiple pressure blocks; when the relative position of the turntable and the base remains unchanged, the position of the slider is fixed due to the unchanged relative position of the arc-shaped slot and the pressure block gap.
2. The flexible clamping device for clamping an optical lens according to claim 1, wherein: Also includes: A handle hole is provided on the side of the circumference of the turntable for inserting the handle to facilitate the rotation of the turntable to change the distance between the sliders. The protrusion provided on the edge of the circumference of the base that is larger than the diameter of the turntable is discontinuous, and a handle groove is reserved for passing the handle.
3. The flexible clamping device for clamping an optical lens according to claim 1, wherein: A screw stop hole is provided on the raised side of the base edge, for passing a screw stop hole to press against the turntable, so as to fix the turntable when it is rotated to a suitable position, thereby fixing the relative positions between the sliders.
4. The flexible clamping device for clamping an optical lens according to claim 1, wherein: The slider is provided with an optical lens clamping device including a chuck, a connecting shaft, a sleeve, a locking screw, a spring and a nut. The connecting shaft has two ends, and the chuck is connected to one end of the connecting shaft by a thread. A boss is provided on the chuck for placing the lens; the connecting shaft passes through a through hole provided on the upper part of the slider, and the connecting shaft is located in the inner section of the through hole on the upper part of the slider and is sleeved with a sleeve, a spring and a locking screw for providing elastic force for the chuck to clamp the lens; the other end of the connecting shaft protrudes from the slider, and a nut is installed on the protruding part of the connecting shaft to limit the connecting shaft and prevent the connecting shaft from falling out of the slider.
5. The flexible clamping device for clamping an optical lens according to claim 1, wherein: A fixing hole is provided at a raised position on the edge of the base, for fixing the pressing block to the base via screws.
6. The flexible clamping device for clamping an optical lens according to claim 1, wherein: The number of the pressing blocks is 3-6, and the number of the arc-shaped slots on the turntable corresponds one to one to the number of the pressing blocks.
7. The flexible clamping device for clamping an optical lens according to claim 1, wherein: The number of arc-shaped slots on the pressing block and the rotating disk is 3.
8. The flexible clamping device for clamping an optical lens according to claim 1, wherein: The connecting column includes multiple cylindrical sections with different radii, and is close to one end of the electric turntable that provides power. The hollow part is a tapered hole, which is used to be sleeved on the rotating shaft of the electric turntable to achieve a quick and firm connection.
9. The flexible clamping device for clamping an optical lens according to claim 1, wherein: Threads are provided on the top of the connecting column and the center of the base for fixedly connecting the connecting column and the base.
10. The flexible clamping device for clamping an optical lens according to claim 1, wherein: The materials in the base, turntable and pressure block that do not affect the strength and function are deleted and hollowed out to reduce the weight of the entire clamping device and save materials.