Rapid lens clamping and detecting device

Abstract

The utility model relates to a rapid lens clamping and detecting device which comprises a supporting base, a lens supporting seat, a lens clamping seat, a sliding plate and a rotating handle. The lens clamping seat is fixed on the sliding plate, and the rotating handle drives the sliding plate to move along the lens clamping direction through the eccentric structure, so that a mounting space for accommodating a to-be-detected lens is formed between the lens clamping seat and the lens supporting seat. A sliding block is arranged at the bottom of the sliding plate and matched with a sliding rail on the supporting base for guiding. The rotating handle comprises a cam part and a handle part and is matched with the arc-shaped groove in the sliding plate to achieve the pushing action, and the cam part is provided with an unthreaded hole capable of being locked through a fixing pin. A steel ball and an elastic steel sheet are arranged in the arc-shaped groove and used for stopping the rotating handle and preventing misoperation. A flexible anti-skid gasket is arranged in the lens clamping seat, so that effective protection is provided; the tension spring structures on the two sides achieve automatic resetting of the sliding plate.

Description

Technical Field

[0001] This utility model relates to the field of camera lens technology, and more specifically, to a lens quick clamping and detection device. Background Technology

[0002] For industrial lens production, industrial lenses need to be inspected before leaving the factory. During inspection, industrial lenses need to be repeatedly disassembled and installed. In actual production, the commonly used mounting structure is a U-shaped clamp structure. This U-shaped clamp can only correspond to one type of industrial lens outer diameter. Moreover, industrial lenses have various outer diameter specifications. Each type of industrial lens requires a matching U-shaped clamp to hold it. Therefore, many U-shaped clamp tooling parts of different specifications need to be manufactured. Furthermore, the installation of this U-shaped clamp requires two screws to tighten, which is time-consuming and labor-intensive. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a lens quick clamping and detection device in view of the above-mentioned defects of the prior art.

[0004] The technical solution adopted by this utility model to solve its technical problem is:

[0005] A lens quick clamping and detection device is constructed, comprising a support base, a lens support seat on one side of the support base, and a lens clamping seat, a sliding plate and a rotating handle on the other side;

[0006] The lens holder is fixed on the sliding plate, and the rotating handle is rotatably connected to the support base. The rotating handle drives the sliding plate to move relative to the support base through an eccentric structure, and an installation space for accommodating the lens to be tested is formed between the lens holder and the lens support.

[0007] Preferably, two sliders are fixedly installed at the bottom of the sliding plate, and the support base is provided with a slide rail that slides with the two sliders. The slide rail is used to guide the sliding plate to move along the lens clamping direction.

[0008] Preferably, the rotating handle includes a cam portion and a handle portion, and the sliding plate is provided with an arc-shaped groove that matches the cam portion. When the cam portion rotates, it cooperates with the arc-shaped groove to push the sliding plate to move relative to the supporting base.

[0009] Preferably, the cam portion is provided with an eccentric light hole, and the rotating handle is connected to a fixing pin through the light hole. The fixing pin has a threaded structure and is used to lock the rotating handle relative to the support base by tightening.

[0010] Preferably, the arc-shaped groove contains a steel ball, which is mounted on the sliding plate via an elastic element, and the cam portion has a stop for accommodating the steel ball.

[0011] Preferably, the elastic element is a steel sheet, one end of which is fixedly mounted on the sliding plate, and the other end is used to fix the steel ball to provide axial elastic force. The arc-shaped groove is provided with a through hole corresponding to the steel ball.

[0012] Preferably, the lens holder has an arc-shaped locking structure for embracing the outer periphery of the lens, and the arc-shaped locking structure is provided with a flexible anti-slip pad.

[0013] Preferably, it also includes two tension springs located on both sides of the sliding plate, one end of which is connected to the support base and the other end of which is connected to the sliding plate.

[0014] The beneficial effects of this utility model are as follows: The rotating handle drives the sliding plate to move the lens clamp, quickly forming a clamping fit between the lens and the lens support. Clamping or releasing can be completed simply by rotating the handle, simplifying the traditional threaded tightening or gripper operation steps and significantly improving work efficiency. The rotating handle uses an eccentric structure drive, which, in conjunction with an arc-shaped groove, pushes the sliding plate to slide, achieving linear transmission and locking functions within a limited space, effectively saving device volume. Steel balls and stop ports are set in the arc-shaped groove, and combined with the pre-tightening force provided by the steel sheet, the handle can achieve self-locking at multiple angle positions, preventing clamping failure due to vibration or misoperation, and improving system stability and safety. The cam part has an eccentric optical hole, which is locked by a threaded fixing pin, achieving precise locking of the rotating handle at the target position, suitable for industrial testing applications with long-term clamping. The lens clamp adopts an arc-shaped locking structure, combined with flexible anti-slip pads, effectively improving clamping stability while avoiding indentations or damage to the lens surface, suitable for the testing needs of various precision lenses. By employing a symmetrical tension spring structure, the sliding plate automatically resets the lens holder after the handle is released, improving the continuity of the inspection process and enhancing the human-machine interface. The slide rail on the support base works in conjunction with the double sliders at the bottom of the sliding plate to maintain linear and stable sliding motion, preventing offset or tilting during clamping and ensuring the consistency of the lens's optical axis and repeatability during inspection. In summary, this invention represents a non-obvious improvement in structural design, ease of operation, safety, stability, and lens protection. It is particularly suitable for optical lens inspection, assembly, or rapid replacement scenarios, possessing significant engineering application value and promotional potential. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of the lens quick clamping and detection device according to a preferred embodiment of the present invention;

[0017] Figure 2 This is a structural diagram of the support base and rotating handle of the lens quick clamping and detection device according to a preferred embodiment of the present invention;

[0018] Figure 3 This is an exploded view of a preferred embodiment of the lens quick clamping and detection device of this utility model. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, a clear and complete description will be provided below in conjunction with the technical solutions in the embodiments of this utility model. Obviously, the described embodiments are some, but not all, embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] The preferred embodiment of the lens quick clamping detection device of this utility model is as follows: Figure 1 As shown, see reference Figure 2-3 It includes a support base 1, a lens support seat 2 on one side of the support base 1, a lens clamp 3, a sliding plate 4 and a rotating handle 5 on the other side;

[0021] The lens holder 3 is fixed on the sliding plate 4, and the rotating handle 5 is rotatably connected to the support base 1. The rotating handle 5 drives the sliding plate 4 to move relative to the support base 1 through an eccentric structure, forming an installation space between the lens holder 3 and the lens support 2 to accommodate the lens to be tested. The lens support 2 supports the tail or bottom of the lens 10, ensuring its stable placement. The sliding plate 4, as a movable component, slides linearly back and forth under the drive of the rotating handle 5, thereby moving the lens holder 3 closer to or away from the lens support 2, achieving rapid clamping or release of the lens. The gap between the lens holder 3 and the lens support 2 constitutes the installation space, which is used to accommodate and position the lens 10 to be tested, adapting to the clamping requirements of lenses of different specifications.

[0022] like Figure 3 As shown, two sliders 6 are fixedly installed at the bottom of the sliding plate 4. The support base 1 is provided with a slide rail 11 that slides with the two sliders 6. The slide rail 11 is used to guide the sliding plate 4 to move along the lens clamping direction. The slide rail 11 is set on both sides of the sliding direction to guide the sliding plate 4 to make stable linear movement along the lens clamping direction, so as to avoid deviation, jamming or angular deviation during the clamping process, and ensure the balance and repeatability of the clamping process, thereby ensuring the coaxiality requirements of the lens being tested.

[0023] like Figure 1 and 3 As shown, the rotating handle 5 includes a cam portion 51 and a handle portion 52. The sliding plate 4 is provided with an arc-shaped groove 41 that matches the cam portion 51. When the cam portion 51 rotates, it engages with the arc-shaped groove 41 to push the sliding plate 4 to move relative to the support base 1. The curvature of the arc-shaped groove 41 maintains a pre-fitting state with the contour line of the cam portion 51. When the operator rotates the handle portion 52, the cam portion 51 and the arc-shaped groove 41 form a rolling or sliding contact, thereby converting the rotational motion into a linear displacement of the sliding plate 4, which in turn pushes the lens holder 3 to complete the clamping action.

[0024] like Figure 1-3 As shown, the cam portion 51 is provided with an eccentric light hole 53. The rotating handle 5 is connected to a fixing pin 54 through the light hole 53. The fixing pin 54 has a threaded structure and is used to lock the rotating handle 5 relative to the support base 1 by tightening. When the handle is rotated to a set angle, the operator can lock it by tightening the fixing pin 54, thereby preventing the rotating handle from rotating due to vibration or accidental contact in the clamped state, and ensuring the stability and safety of the lens during the inspection process.

[0025] like Figure 3 As shown, a steel ball 7 is provided in the arc-shaped groove 41. The steel ball 7 is set on the sliding plate 4 by an elastic element. The cam part 51 is provided with a stop port 55 for receiving the steel ball 7. This structure realizes the "engagement" stop of the rotating handle at the set position. The cooperation between the steel ball and the stop port provides clear force feedback, which helps the operator to judge whether the handle is in place, while avoiding the decrease of clamping force.

[0026] like Figure 3 As shown, the elastic element is a steel sheet 8. One end of the steel sheet 8 is fixedly mounted on the sliding plate 4, and the other end is used to fix the steel ball 7 to provide axial elastic force. The arc-shaped groove 41 has a through hole 42 corresponding to the steel ball 7. The steel sheet 8 has stable elastic restoring force and fatigue resistance under long-term use. Compared with a coil spring, its structure is more compact and reliable. The arc-shaped groove 41 also has a through hole 42, which facilitates the partial embedding of the steel ball 7 in the stopped position and enhances the positioning stability.

[0027] like Figure 1 and 3 As shown, the lens holder 3 has an arc-shaped locking structure for embracing the outer periphery of the lens, and a flexible anti-slip pad 31 is provided inside the arc-shaped locking structure. To prevent the lens from being subjected to hard pressure damage during clamping, a flexible anti-slip pad 31 is attached to the inside of the arc-shaped locking structure. It is usually made of materials such as rubber, silicone, or foam, and has anti-slip buffering and shock absorption functions, which can effectively protect the surface safety of high-value optical components.

[0028] like Figure 1 and3 As shown, it also includes two tension springs 9 located on both sides of the sliding plate. One end of the tension spring 9 is connected to the support base 1, and the other end is connected to the sliding plate 4. The tension spring 9 is stretched during the forward movement of the sliding plate 4 to clamp the lens. After the handle is released, the tension spring 9 will automatically spring back, driving the sliding plate 4 back to its initial position, achieving rapid reset, facilitating the next round of lens clamping operations, and improving the cycle efficiency of the detection device.

[0029] The lens holder is moved by rotating a handle, which drives a sliding plate to quickly clamp the lens to the lens support. Clamping and releasing are accomplished simply by rotating the handle, simplifying traditional threaded tightening or gripper operations and significantly improving work efficiency. The rotating handle uses an eccentric drive structure, which works with an arc-shaped groove to push the sliding plate, achieving linear transmission and locking functions within a limited space, effectively saving device size. Steel balls within the arc-shaped groove, combined with a stop, and the preload provided by the steel sheet, enable self-locking of the handle at multiple angles, preventing clamping failure due to vibration or misoperation, thus improving system stability and safety. An eccentric aperture on the cam section, secured by a threaded pin, ensures precise locking of the rotating handle at the target position, suitable for industrial testing applications requiring prolonged clamping. The lens holder uses an arc-shaped locking structure combined with flexible anti-slip pads, effectively improving clamping stability while preventing indentations or damage to the lens surface, suitable for testing various precision lenses. By employing a symmetrical tension spring structure, the sliding plate automatically resets the lens holder after the handle is released, improving the continuity of the inspection process and enhancing the human-machine interface. The slide rail on the support base works in conjunction with the double sliders at the bottom of the sliding plate to maintain linear and stable sliding motion, preventing offset or tilting during clamping and ensuring the consistency of the lens's optical axis and repeatability during inspection. In summary, this invention represents a non-obvious improvement in structural design, ease of operation, safety, stability, and lens protection. It is particularly suitable for optical lens inspection, assembly, or rapid replacement scenarios, possessing significant engineering application value and promotional potential.

[0030] Furthermore, a ratchet drive structure can be installed between the rotating handle 5 and the support base 1 to push the sliding plate 4 to move when rotating in one direction, and to allow free rotation when rotating in the opposite direction, facilitating the gradual application of clamping force and preventing backflow. A ratchet mechanism (such as a one-way clutch gear ring) is inserted between the handle and the camshaft; the ratchet has elastic pawls and teeth inside, locking and pushing when rotating clockwise, and allowing free rotation when rotating counterclockwise; it can be set as a press-type multi-stage ratchet, facilitating continuous force application in a limited space; together with the existing fixed pin and steel ball stop structure, a double locking system is formed.

[0031] As an alternative, the rotating handle 5 can be configured as an eccentric force-adding structure. The handle is connected to the sliding plate through an eccentric shaft. When the handle rotates, a linear pushing force is output through the eccentric shaft to improve clamping efficiency and consistency. Specifically, the handle is designed as a flat and long lever shape, with an eccentric shaft sleeve asymmetrically connected to its center. The eccentric shaft acts directly on the sliding plate or transmission block. When the handle rotates 90°, a strong clamping force is formed by utilizing the eccentricity. With the design of the cam groove, the rotation path of the handle can simultaneously push the sliding and positioning.

[0032] Improves force transmission efficiency during clamping operations, reducing user workload; allows for step-by-step clamping, resulting in smoother and more precise clamping; ratchet structure prevents clamping failure due to handle rebound, enhancing safety; eccentric handle allows for precise control of clamping force, suitable for optical inspection with extremely high requirements for optical axis consistency; good structural adaptability allows for easy embedding into existing handle components without significant changes to the overall shape.

[0033] The ratchet mechanism can be configured as a mechanical overload protection ratchet. This mechanism includes a ratchet body with radial teeth and a pawl that meshes with it. The pawl is engaged with the ratchet teeth by an elastic plate or elastic clamping ball, transmitting clamping force when the handle is rotated clockwise. To avoid damage caused by excessive force or repeated operation during lens clamping, this device configures the ratchet mechanism as a torque limit structure with an automatic release function. When the rotating handle 5 is rotated to the set clamping angle, and the steel ball 7 engages with the stop 55 on the cam 51, clamping is considered complete, and the force on the ratchet structure reaches the preset overload point. The system design ensures that at this overload point, the pawl automatically disengages from the ratchet teeth, releasing the ratchet mechanism and allowing the rotating handle to enter an idle state, no longer applying force to the sliding plate 4. The advantage of this structure is that when the user needs to remove the lens, there is no need to manually release the ratchet or perform additional operations; simply rotating the handle 5 in the opposite direction releases and resets the sliding plate, greatly simplifying the operation process and improving safety.

[0034] This utility model can also be configured as a lens adaptive clamping mechanism. During the sliding plate movement clamping process, the clamping surface of the clamping seat can automatically fit the lens shape through the mechanical linkage structure, adapting to lenses of different diameters or outer contours, and realizing semi-automatic assembly without adjustment.

[0035] Specifically, the lens holder can be designed with a structure featuring a bidirectional rotating bearing or a flexible connecting seat; each side's jaws are floating, passively adjusting their angle and clamping direction according to the lens contact surface as the sliding plate moves forward; the clamping force is generated by a ramp drive or spring, automatically balancing the forces on both sides. It can adapt to different lens diameters and minor irregularities, offering fast structural response and high reliability.

[0036] Alternatively, the two clamping blocks can be designed as arc-shaped movable structures, linked at the bottom by a crank or guide rod mechanism. When the sliding plate moves and pushes the linkage rod to retract, the two clamping blocks clamp inward around their respective axes of rotation. The arc-shaped surfaces conform to the outer wall of the lens, adapting to different sizes. The clamping process is synchronous and symmetrical, with balanced force and strong adaptability.

[0037] This invention further introduces a lens adaptive clamping structure based on existing technology. Through mechanical linkage, the clamping base automatically adjusts its clamping angle or contact position according to the lens shape during the movement of the sliding plate. The clamping structure can adapt to lenses of different diameters, contours, or with non-standard sheaths, avoiding frequent clamp changes or manual adjustments, thus improving assembly efficiency and versatility. The use of floating connections, linked swing arms, or flexible wrapping structures allows the lens to automatically align during clamping, improving optical axis consistency and ensuring detection accuracy. During clamping, the clamping structure automatically adjusts the force-bearing surface according to the actual force on the lens, preventing clamping misalignment or single-point overpressure, improving clamping stability, and preventing lens slippage or damage.

[0038] It should be understood that this utility model is not limited to the above-described preferred embodiments. Anyone can derive other forms of products under the guidance of this utility model. However, regardless of any changes made in their shape or structure, any technical solution that is the same as or similar to this application falls within the protection scope of this utility model.

Claims

1. A lens quick-clamping and detection device, characterized in that, Includes a support base (1), on one side of which is a lens support seat (2), and on the other side are a lens clamp seat (3), a sliding plate (4) and a rotating handle (5); The lens holder (3) is fixed on the sliding plate (4), the rotating handle (5) is rotatably connected to the support base (1), the rotating handle (5) drives the sliding plate (4) to move relative to the support base (1) through the eccentric structure, and an installation space for accommodating the lens to be tested is formed between the lens holder (3) and the lens support base (2).

2. The lens quick clamping and detection device according to claim 1, characterized in that: Two sliders (6) are fixedly installed at the bottom of the sliding plate (4). The support base (1) is provided with a slide rail (11) that slides with the two sliders (6). The slide rail (11) is used to guide the sliding plate (4) to move along the lens clamping direction.

3. The lens quick clamping and detection device according to claim 2, characterized in that: The rotating handle (5) includes a cam part (51) and a handle part (52). The sliding plate (4) is provided with an arc groove (41) that matches the cam part (51). When the cam part (51) rotates, it cooperates with the arc groove (41) to push the sliding plate (4) to move relative to the support base (1).

4. The lens quick clamping and detection device according to claim 3, characterized in that: The cam part (51) is provided with an eccentric light hole (53), and the rotating handle (5) is connected to a fixing pin (54) through the light hole (53). The fixing pin (54) has a threaded structure and is used to lock the rotating handle (5) relative to the support base (1) by tightening.

5. The lens quick clamping and detection device according to claim 3, characterized in that: The arc-shaped groove (41) contains a steel ball (7), which is mounted on the sliding plate (4) via an elastic element. The cam part (51) has a stop (55) for accommodating the steel ball (7).

6. The lens quick clamping and detection device according to claim 5, characterized in that: The elastic element is a steel sheet (8). One end of the steel sheet (8) is fixedly installed on the sliding plate (4), and the other end is used to fix the steel ball (7) to provide axial elastic force. The arc groove (41) is provided with a through hole (42) corresponding to the steel ball (7).

7. The lens quick clamping and detection device according to claim 1, characterized in that: The lens holder (3) has an arc-shaped locking structure for embracing the outer periphery of the lens, and the arc-shaped locking structure is provided with a flexible anti-slip pad (31).

8. The lens quick clamping and detection device according to claim 1, characterized in that: It also includes two tension springs (9) located on both sides of the sliding plate, one end of which is connected to the support base (1) and the other end is connected to the sliding plate (4).

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