Multi-angle adjustable fixture for optical lens processing

Abstract

The utility model discloses a multi-angle adjustable fixture for optical lens processing, and relates to the technical field of optical lens processing. The technical problems that an existing clamp for optical lens machining easily shields the side face of a lens, and lateral machining and observation are inconvenient are solved. According to the technical scheme, the multi-angle adjustable clamp for optical lens machining comprises a clamp body and further comprises a circular sliding rail, a positioning vertical frame, an electromechanical box, a positioning assembly, a first adjusting assembly and a second adjusting assembly; according to the multi-angle adjustable clamp for optical lens machining, the distance between the two first adjusting assemblies can be conveniently adjusted through the positioning assembly, adjustment can be conducted through the first adjusting assemblies according to the radian of an optical lens, and the direction of the positioning vertical frame can be adjusted through the second adjusting assembly according to the machining requirement; according to the clamp, a cambered surface attaching mode is adopted, the lens can be firmly fixed, it is ensured that the lens cannot move in the machining process, and the side edge of the lens surface can be observed or detected more conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of optical lens processing, in particular to a multi-angle adjustable optical lens processing fixture. Background Art

[0002] Optical lenses are used to correct hyperopia, myopia, presbyopia or aphakia. The curved surface of a cylindrical lens is a part of a cylinder. The axis of the cylindrical lens is parallel to the cylinder. It has no refractive power in the direction of the axis, and the refractive power is the largest in the direction perpendicular to the axis. It is divided into convex cylindrical lenses or concave cylindrical lenses, which are used to correct hyperopia or myopic astigmatism respectively. The fixture is a commonly used device in the processing of optical lenses. However, in actual use, the existing optical lens processing fixtures are usually clamped from the side of the lens by a pair of clamps, because the optical lens is generally a cylindrical structure, and the market often adopts a method of clamping the lens from the side, which is not convenient for observing the perspective from the side, thus affecting the processing of the optical lens. Utility Model Content

[0003] The utility model aims to provide a multi-angle adjustable optical lens processing fixture to solve the problem that the existing optical lens processing fixture mentioned in the above background technology is easy to block the side of the lens, making it inconvenient to process and observe from the side.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-angle adjustable fixture for optical lens processing, comprising a fixture body, and also comprising a circular slide rail, a positioning frame, an electromechanical box, a positioning assembly, a first adjustment assembly, and a second adjustment assembly; a circular slide rail is arranged at the upper end of the fixture body, a positioning frame is connected to the upper end of the fixture body, an electromechanical box is fixed on the inner side of the positioning frame, a positioning assembly is arranged on the inner side of the electromechanical box, a first adjustment assembly is arranged at the right end of the positioning assembly, and a second adjustment assembly is arranged on the left side of the positioning frame.

[0005] Preferably, the height of the first adjusting component can be easily changed by setting the positioning component, the first adjusting component can be adjusted according to the curvature of the optical lens, and the direction of the positioning stand can be adjusted according to processing requirements by setting the second adjusting component.

[0006] Preferably, the positioning assembly includes a dual-axis motor, a screw rod, and a sleeve. The dual-axis motor is installed on the inner side of the electromechanical box. The upper and lower ends of the dual-axis motor are connected to screw rods. The screw rods are rotatably connected to the sleeve. The sleeve is fixed to the upper and lower ends of the positioning frame. The dual-axis motor provides power to enable the screw rods at both ends to rotate in the sleeve, so as to adjust the position of the support arm according to processing needs.

[0007] Preferably, the positioning assembly also includes a support arm, the surface of the screw rod is connected to the support arm, the support arm is threadedly connected to the screw rod, and the two groups of support arms can be driven to move in opposite directions by rotating the screw rod.

[0008] Preferably, the positioning assembly also includes a light rod, which is fixed to the inner side of the electromechanical box. The light rod is slidably connected to the support arm. The support arm slides up and down on the light rod to achieve stable directional lifting and lowering, thereby playing a guiding role.

[0009] Preferably, the first adjustment component includes a connecting head, an adjusting head, and a rubber pad. The connecting head is fixed to the right end of the support arm, and the connecting head is rotatably connected to the adjusting head. A rubber pad is provided on the side of the adjusting head away from the connecting head. By rotating the adjusting head left and right on the connecting head, the inclination angle can be changed so that it can be adjusted according to the shape of the optical lens.

[0010] Preferably, the second adjustment component includes an auxiliary plate, a threaded rod, and a pressure plate. The auxiliary plate is fixed to the left side of the positioning frame. The auxiliary plate is threadedly connected to the threaded rod. The pressure plate is fixed to the lower end of the threaded rod. The threaded rod is rotated on the auxiliary plate so that the pressure plate can be raised and lowered within a certain range, thereby facilitating locking the positioning frame or making it movable.

[0011] Preferably, the second adjustment component also includes a slider, which is fixed to the lower end of the positioning frame. The slider is slidably connected to the circular slide rail. The slider slides on the circular slide rail to facilitate adjustment of the horizontal position of the positioning frame according to processing needs.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The multi-angle adjustable optical lens processing fixture can adjust the distance between the two sets of first adjustment components according to the thickness of the lens through the positioning component, can also adjust according to the curvature of the optical lens through the first adjustment component, and can adjust the direction of the positioning stand according to the processing requirements through the second adjustment component for observation. Compared with the traditional clamping method, the fixture adopts the arc surface fitting method, which can not only firmly fix the lens to ensure that it will not move during the processing, but also makes it more convenient to observe or detect the side of the mirror surface for precise processing;

[0014] The multi-angle adjustable optical lens processing fixture is provided with a connecting head on the support arm and a rotatable adjusting head, so that it can adapt to the unevenness of the optical lens surface during clamping, and has high flexibility. In addition, a circular slide rail is provided on the fixture body, so the lateral orientation of the optical lens can be easily changed by sliding the slider without the need for the staff to twist their heads back and forth, which makes it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0017] Figure 3 The utility model is a half-section Figure 1 ;

[0018] Figure 4 The utility model is a half-section Figure 2 .

[0019] In the figure: 1. fixture body; 2. circular slide rail; 3. positioning stand; 4. electromechanical box; 5. positioning assembly; 6. first adjustment assembly; 7. second adjustment assembly; 501. dual-axis motor; 502. lead screw; 503. sleeve; 504. support arm; 505. bare rod; 601. connector; 602. adjustment head; 603. rubber pad; 701. auxiliary plate; 702. threaded rod; 703. pressure plate; 704. slider. DETAILED DESCRIPTION

[0020] See also Figure 1-3 The utility model provides a technical solution: a multi-angle adjustable optical lens processing fixture, including a fixture body 1, and also including a circular slide rail 2, a positioning frame 3, an electromechanical box 4, a positioning component 5, a first adjustment component 6, and a second adjustment component 7; the upper end of the fixture body 1 is provided with a circular slide rail 2, the upper end of the fixture body 1 is connected to the positioning frame 3, the inner side of the positioning frame 3 is fixed with the electromechanical box 4, the inner side of the electromechanical box 4 is provided with a positioning component 5, the right end of the positioning component 5 is provided with a first adjustment component 6, and the left side of the positioning frame 3 is provided with a second adjustment component 7. The positioning component 5 is provided to facilitate changing the height of the first adjustment component 6, and the first adjustment component 6 can be adjusted according to the curvature of the optical lens, and the second adjustment component 7 can be provided according to the curvature of the optical lens. The direction of the positioning frame 3 is adjusted according to the processing needs. The positioning component 5 includes a double-axis motor 501, a screw rod 502, and a sleeve 503. The double-axis motor 501 is installed on the inner side of the electromechanical box 4. The upper and lower ends of the double-axis motor 501 are connected with screw rods 502. The screw rod 502 is rotatably connected to the sleeve 503. The sleeve 503 is fixed to the upper and lower ends of the positioning frame 3. The double-axis motor 501 provides power, so that the screw rods 502 at both ends can rotate in the sleeve 503, so as to adjust the position of the support arm 504 according to the processing needs. The positioning component 5 also includes a support arm 504. The surface of the screw rod 502 is connected with the support arm 504. The support arm 504 is threadedly connected to the screw rod 502. Through the rotation of the screw rod 502, the two groups of support arms 504 can be driven to move in opposite directions.

[0021] See also Figure 3-4 In this embodiment, the positioning component 5 also includes a light rod 505, and the light rod 505 is fixed to the inner side of the electromechanical box 4. The light rod 505 is slidably connected to the support arm 504. The support arm 504 slides up and down on the light rod 505 to achieve stable directional lifting and lowering, which plays a guiding role. The first adjustment component 6 includes a connecting head 601, an adjusting head 602, and a rubber pad 603. The right end of the support arm 504 is fixed with a connecting head 601, and the connecting head 601 is rotatably connected to the adjusting head 602. A rubber pad 603 is provided on the side of the adjusting head 602 away from the connecting head 601. The adjusting head 602 is rotated left and right on the connecting head 601 to change its inclination angle so that it can be adjusted according to the shape of the optical lens. Adjustment, the second adjusting component 7 includes an auxiliary plate 701, a threaded rod 702, and a pressure plate 703. The auxiliary plate 701 is fixed to the left side of the positioning frame 3, and the auxiliary plate 701 is threadedly connected to the threaded rod 702. The pressure plate 703 is fixed to the lower end of the threaded rod 702. The threaded rod 702 is rotated on the auxiliary plate 701, so that the pressure plate 703 can be raised and lowered within a certain range, so as to facilitate locking the positioning frame 3 or making it movable. The second adjusting component 7 also includes a slider 704. The slider 704 is fixed to the lower end of the positioning frame 3. The slider 704 is slidably connected to the circular slide rail 2. The slider 704 slides on the circular slide rail 2 to facilitate adjusting the horizontal position of the positioning frame 3 according to processing needs.

[0022] When using the multi-angle adjustable optical lens processing fixture of the present technical solution, first place the optical lens between the rubber pads 603, and then start the dual-axis motor 501. The two ends of the screw rods 502 rotate in the sleeve 503 and are guided by the optical rod 505, which can drive the two sets of support arms 504 to move towards each other. At the same time, the adjustment head 602 is used to rotate the angle on the connecting head 601 to adjust the inclination angle of the rubber pad 603, so that the optical lens can be clamped between the two rubber pads 603 without sliding.

[0023] Then, push the positioning frame 3 and slide it in the circular slide rail 2 through the slider 704 until it moves to the target position, and then tighten the threaded rod 702 on the auxiliary plate 701 so that the pressure plate 703 can descend and press on the upper surface of the clamp body 1, thereby locking the positioning frame 3.

[0024] Through the above steps, the positioning component 5 is first used to facilitate changing the height of the first adjustment component 6, and the first adjustment component 6 can effectively fit the upper and lower curved surfaces of the optical lens. Finally, the second adjustment component 7 is used to facilitate adjusting the direction of the positioning frame 3 for processing.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-angle adjustable optical lens processing fixture, comprising a fixture body (1), characterized in that: The clamp also comprises a circular slide rail (2), a positioning frame (3), an electromechanical box (4), a positioning assembly (5), a first adjustment assembly (6), and a second adjustment assembly (7); the upper end of the clamp body (1) is provided with a circular slide rail (2), the upper end of the clamp body (1) is connected with a positioning frame (3), the inner side of the positioning frame (3) is fixed with an electromechanical box (4), the inner side of the electromechanical box (4) is provided with a positioning assembly (5), the right end of the positioning assembly (5) is provided with a first adjustment assembly (6), and the left side of the positioning frame (3) is provided with a second adjustment assembly (7).

2. The multi-angle adjustable optical lens processing fixture according to claim 1, characterized in that: The positioning assembly (5) comprises a double-axis motor (501), a screw rod (502), and a sleeve (503). The double-axis motor (501) is installed on the inner side of the electromechanical box (4). The upper and lower ends of the double-axis motor (501) are connected to the screw rod (502). The screw rod (502) is rotatably connected to the sleeve (503). The sleeve (503) is fixed to the upper and lower ends of the positioning stand (3).

3. The multi-angle adjustable optical lens processing fixture according to claim 2, characterized in that: The positioning assembly (5) further comprises a support arm (504), the surface of the screw rod (502) being connected to the support arm (504), and the support arm (504) being threadedly connected to the screw rod (502).

4. The multi-angle adjustable optical lens processing fixture according to claim 3, characterized in that: The positioning assembly (5) further comprises a polished rod (505), the polished rod (505) being fixed on the inner side of the electromechanical box (4), and the polished rod (505) being slidably connected to the support arm (504).

5. The multi-angle adjustable optical lens processing fixture according to claim 1, characterized in that: The first adjustment component (6) comprises a connecting head (601), an adjusting head (602), and a rubber pad (603); the connecting head (601) is fixed to the right end of the support arm (504); the connecting head (601) is rotatably connected to the adjusting head (602); and a rubber pad (603) is provided on a side of the adjusting head (602) away from the connecting head (601).

6. The multi-angle adjustable optical lens processing fixture according to claim 1, characterized in that: The second adjustment assembly (7) comprises an auxiliary plate (701), a threaded rod (702), and a pressure plate (703). The auxiliary plate (701) is fixed to the left side of the positioning stand (3). The auxiliary plate (701) is threadedly connected to the threaded rod (702). The pressure plate (703) is fixed to the lower end of the threaded rod (702).

7. The multi-angle adjustable optical lens processing fixture according to claim 6, characterized in that: The second adjustment component (7) further comprises a slider (704). The slider (704) is fixed to the lower end of the positioning stand (3). The slider (704) is slidably connected to the circular slide rail (2).

Images