Angle-adjustable aspheric lens machining fixing mechanism

Abstract

The utility model discloses an angle-adjustable aspheric lens processing fixing mechanism which comprises a base, a frame body is installed at the upper end of the middle of the base through a bearing, an angle adjusting mechanism is installed at the lower end of the frame body, and movable seats are installed on the left side and the right side of the upper end of the frame body in a sliding mode. Clamping blocks are mounted on the sides, close to the center of the frame body, of the movable seats through bearings; a driving part is installed in the middle of the frame body and used for driving the two movable seats to move relatively, a threaded rod is installed on a bearing located on the rear side of the right movable seat, a guide rod is fixed to the front side of the right movable seat, and an auxiliary centering mechanism is jointly installed at the left end of the threaded rod and the left end of the guide rod. According to the angle-adjustable aspheric lens machining and fixing mechanism, before the two clamping blocks are used for clamping the aspheric lens, the circle center of the aspheric lens is driven by the auxiliary centering mechanism to move to the connecting line of the circle centers of the two clamping blocks, the machining effect is improved, and the situation that machining damage or not-in-place machining is caused to the aspheric lens is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to aspheric lens fixing technical field, concretely is a kind of angle adjustable aspheric lens processing fixing mechanism. BACKGROUND

[0002] Aspheric lens its surface curvature is different from ordinary spherical lens, in order to pursue lens thinness, it needs to change the curvature of lens, the spherical surface design is used in the past, so that aberration and deformation increase, obvious image unclear etc.

[0003] In the patent application with the name of "a kind of angle adjustable aspheric lens processing fixing mechanism" with the authorization publication number CN219485214U and the authorization publication date of August 8, 2023, third motor is fixed on the fixed block, first chuck is connected on the side of third motor, second chuck of the same height with first chuck is rotatably connected on the side wall of slide plate, by placing aspheric lens between first chuck and second chuck, third motor is started by controller, then first chuck is rotated, then aspheric lens can be rotated;However, in the above actual use process, when the center of aspheric lens is not on the center line of first chuck and second chuck, when first chuck and second chuck drive aspheric lens to rotate, aspheric lens is prone to eccentric rotation, which causes damage to aspheric lens or processing not in place during processing.

[0004] Therefore, we propose a kind of angle adjustable aspheric lens processing fixing mechanism to solve the problems raised in the above. UTILITY MODEL CONTENTS

[0005] 1. The technical problem to be solved by the utility model is:

[0006] The utility model aims to provide a kind of angle adjustable aspheric lens processing fixing mechanism to solve the problems in the above background art.

[0007] 2. Technical scheme:

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of angle adjustable aspheric lens processing fixing mechanism, including base, the middle part upper end of base is equipped with frame body by bearing, the lower end of frame body is equipped with angle adjusting mechanism, and the left and right sides of frame body upper end are slidably installed with movable seat, the side of movable seat near frame body center is equipped with clamping block by bearing;

[0009] The middle part of the frame body is provided with a driving member, the driving member is used for driving the two movable seats to move relatively, a threaded rod is arranged on the rear bearing of the right movable seat, a guide rod is fixed on the front side of the right movable seat, and the left ends of the threaded rod and the guide rod are jointly provided with an auxiliary centering mechanism.

[0010] Further, the angle adjusting mechanism comprises a worm wheel fixedly connected with the frame body rotating shaft, and a worm is connected in engagement with the side of the worm wheel.

[0011] Through the above technical scheme, when the worm rotates, the worm wheel and the frame body connected with the end of the worm wheel can be driven to rotate.

[0012] Further, the driving member comprises a rotating rod arranged on the frame body through a bearing, and a connecting rod is rotatably arranged on both ends of the rotating rod, and the ends of the two connecting rods are rotatably arranged on the lower ends of the left and right movable seats.

[0013] Through the above technical scheme, when the rotating rod rotates, the two movable seats can be driven to move relatively by the connecting rods.

[0014] Further, the auxiliary centering mechanism comprises a fixed ring, the fixed ring is in threaded connection with the threaded rod, the fixed ring is in close sliding connection with the guide rod, a rotating ring is arranged outside the fixed ring, a plurality of extrusion blocks are arranged at equal angles on the inner wall of the rotating ring, one auxiliary rod is arranged corresponding to each extrusion block, the auxiliary rod is slidingly arranged in the fixed ring, and a pressure spring is connected between the auxiliary rod and the fixed ring.

[0015] Through the above technical scheme, the threaded rod can drive the fixed ring to displace, and the auxiliary rod can be reset by the pressure spring.

[0016] Further, the side of the extrusion block close to the auxiliary rod is arc-shaped, the plurality of auxiliary rods are distributed at equal angles about the center of the fixed ring, the end of the auxiliary rod away from the center of the fixed ring is arc-shaped, and the end of the auxiliary rod close to the center of the fixed ring is provided with a rubber pad.

[0017] Through the above technical scheme, the extrusion block can drive the auxiliary rod to displace.

[0018] Further, the center of the fixed ring is on the center line of the two clamping blocks.

[0019] Through the above technical scheme, the center of the aspheric lens can be driven to displace on the center line of the centers of the two clamping blocks.

[0020] 3. Beneficial effects:

[0021] Compared with the prior art, the angle-adjustable aspheric lens machining fixing mechanism has the advantages that the aspheric lens is moved to the center line of the two clamping blocks by the auxiliary centering mechanism before being clamped by the two clamping blocks, the machining effect is improved, and the aspheric lens is prevented from being damaged or not machined in place.

[0022] The aspheric lens is placed on the lower auxiliary rod, the rotary ring is pushed, the corresponding auxiliary rods are extruded by the extrusion blocks, the auxiliary rods are synchronously forced to move towards the aspheric lens, the end of the auxiliary rod is attached to the outer wall of the aspheric lens, the aspheric lens is clamped, the center of the aspheric lens is moved to the center line of the two clamping blocks during clamping, the aspheric lens is prevented from being damaged or not machined in place by subsequent eccentric rotation, the motor at the end of the rotating rod is started, the motor drives the rotating rod to rotate, the rotating rod drives the two movable seats to relatively move through the connecting rod, the two clamping blocks clamp the aspheric lens, the rotary ring is loosened, the auxiliary rods are restored to the original position under the elastic action of the compression springs, the rotary ring is reversely rotated by extrusion, the threaded rod is rotated, the threaded rod is connected with the fixed ring through threads, and the fixed ring is attached to the guide rod, the rotary ring is moved, the auxiliary centering mechanism does not block the machining area of the aspheric lens, the motor connected to the end of the left clamping block is started, the clamping block and the aspheric lens fixed between the two clamping blocks are rotated, the machining equipment machines the aspheric lens, and the motor installed at the end of the worm is started to drive the worm to rotate, the worm is rotated to drive the worm wheel and the frame connected to the end of the worm wheel to rotate, and the aspheric lens is adjusted in angle. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole side view three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is a side view three-dimensional structure schematic diagram of the angle adjusting mechanism of the utility model;

[0025] Figure 3 It is a side view three-dimensional structure schematic diagram of the auxiliary centering mechanism of the utility model;

[0026] Figure 4 It is a side view three-dimensional structure schematic diagram of the angle adjusting mechanism of the utility model Figure 3 It is an enlarged structure schematic diagram of A in the utility model.

[0027] In the figure: 1, base; 2, frame body; 3, angle adjusting mechanism; 31, worm wheel; 32, worm; 4, movable seat; 5, driving piece; 51, rotating rod; 52, connecting rod; 6, clamping block; 7, threaded rod; 8, guide rod; 9, auxiliary centering mechanism; 91, fixed ring; 92, rotating ring; 93, extrusion block; 94, auxiliary rod; 95, pressure spring. DETAILED DESCRIPTION

[0028] In order to facilitate the understanding of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0030] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0031] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. EMBODIMENT

[0032] Please refer to Figures 1-4The utility model provides an angle adjustable aspheric lens processing fixed establishment, including base 1, the upper end of the middle part of base 1 is installed with frame body 2 through bearing, the lower end of frame body 2 is installed with angle adjusting mechanism 3, and the left and right sides of frame body 2 upper end are all slidably installed with movable seat 4, and the side close to the center of frame body 2 of movable seat 4 is all installed with clamping block 6 through bearing, the middle part of frame body 2 is installed with drive part 5, and drive part 5 is used to drive two movable seat 4 to move relatively, the rear bearing of right side movable seat 4 is installed with threaded rod 7, and the front fixed of right side movable seat 4 is with guide rod 8, and the left end of threaded rod 7 and guide rod 8 is commonly installed with auxiliary centering mechanism 9, drive part 5 includes the swing lever 51 of bearing installation on frame body 2, and the both ends of swing lever 51 are all rotatably installed with connecting rod 52, and the end of two connecting rods 52 is rotatably installed with the lower end of left and right two movable seat 4, auxiliary centering mechanism 9 includes fixed ring 91, and fixed ring 91 and threaded rod 7 form threaded connection, and fixed ring 91 and guide rod 8 form the close sliding connection of fitting, the outside of fixed ring 91 is sleeved with swivel ring 92, and the inner wall of swivel ring 92 is installed with several extrusion blocks 93 at equal angles, and every extrusion block 93 is provided with an auxiliary rod 94, and auxiliary rod 94 is slidably installed in the inside of fixed ring 91, and the pressure spring 95 is connected between auxiliary rod 94 and fixed ring 91, the side close to auxiliary rod 94 of extrusion block 93 is arc-shaped, and several auxiliary rods 94 are distributed at equal angles about the center of fixed ring 91, and the end of auxiliary rod 94 away from the center of fixed ring 91 is arc-shaped, and the end close to the center of fixed ring 91 of auxiliary rod 94 is provided with rubber pad, and the center of fixed ring 91 is on the center line of two clamping blocks 6,

[0033] First, the aspheric lens is placed on the lower auxiliary rod 94, then the swivel ring 92 is pushed, the corresponding auxiliary rod 94 is extruded by the several extrusion blocks 93, the several auxiliary rods 94 are forced to move towards the aspheric lens synchronously, until the end of the auxiliary rod 94 is fitted on the outer wall of the aspheric lens, the aspheric lens is clamped, and in the clamping process, the center of the aspheric lens is moved to the center line of the two clamping blocks 6, to avoid the subsequent eccentric rotation causing damage to the aspheric lens or not processing in place, then the motor at the end of the swing lever 51 is started, the motor drives the swing lever 51 to rotate, the swing lever 51 drives the two movable seats 4 to move relatively through the connecting rods 52, and then drives the two clamping blocks 6 to clamp the aspheric lens, then the swivel ring 92 is loosened, the auxiliary rod 94 is restored to its original position under the elastic action of the pressure spring 95, and extrudes the swivel ring 92 to rotate in the opposite direction, then the threaded rod 7 is rotated, the threaded rod 7 moves the swivel ring 92 by the threaded connection between the threaded rod 7 and the fixed ring 91, and the fitting of the fixed ring 91 and the guide rod 8, and then the auxiliary centering mechanism 9 does not block the processing area of the aspheric lens,

[0034] The angle adjusting mechanism 3 comprises a worm wheel 31 fixedly connected with the rotating shaft of the frame body 2, and a worm 32 connected with the side of the worm wheel 31 in engagement;

[0035] The motor connected with the end of the left clamping block 6 is started to drive the clamping block 6 and the aspherical lens fixed between the two clamping blocks 6 to rotate, so that the machining equipment processes the aspherical lens.

[0036] Working principle: when the angle-adjustable aspherical lens machining fixing mechanism is used, as shown in the figure, Figures 1-4 the aspherical lens is placed on the lower auxiliary rod 94, then the rotary ring 92 is pushed to drive the end of the auxiliary rod 94 to be attached to the outer wall of the aspherical lens to clamp the aspherical lens, and in the clamping process, the center of the aspherical lens is pushed to move to the center line of the two clamping blocks 6 to avoid the subsequent eccentric rotation from causing damage to the aspherical lens or failing to process the aspherical lens, then the motor at the end of the rotating rod 51 is started to drive the two clamping blocks 6 to clamp the aspherical lens, then the rotary ring 92 is loosened, and the threaded rod 7 is rotated to drive the rotary ring 92 to move, so that the auxiliary centering mechanism 9 does not block the processing area of the aspherical lens, then the motor connected with the end of the left clamping block 6 is started to drive the aspherical lens to rotate, so that the machining equipment processes the aspherical lens, and when the motor installed at the end of the worm 32 is started, the frame body 2 can be driven to rotate transversely, so that the aspherical lens is adjusted in angle.

[0037] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0038] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. An angle-adjustable aspherical lens processing and fixing mechanism, characterized in that: Includes a base (1), a frame (2) is mounted on the upper middle part of the base (1) via a bearing, an angle adjustment mechanism (3) is mounted on the lower end of the frame (2), and movable seats (4) are slidably mounted on the left and right sides of the upper end of the frame (2), and a clamping block (6) is mounted on the side of the movable seat (4) near the center of the frame (2) via a bearing. A drive unit (5) is installed in the middle of the frame (2). The drive unit (5) is used to drive the two movable seats (4) to move relative to each other. A threaded rod (7) is installed on the rear bearing of the right movable seat (4), and a guide rod (8) is fixed on the front side of the right movable seat (4). An auxiliary centering mechanism (9) is installed on the left end of the threaded rod (7) and the guide rod (8).

2. The angle-adjustable aspherical lens processing and fixing mechanism according to claim 1, characterized in that: The angle adjustment mechanism (3) includes a worm gear (31) fixedly connected to the shaft of the frame (2), and a worm (32) is meshed with the side of the worm gear (31).

3. The angle-adjustable aspherical lens processing and fixing mechanism according to claim 1, characterized in that: The drive component (5) includes a rotating rod (51) mounted on the frame (2) via a bearing. Both ends of the rotating rod (51) are rotatably mounted with connecting rods (52), and the ends of the two connecting rods (52) are rotatably mounted on the lower ends of the left and right movable seats (4).

4. The angle-adjustable aspherical lens processing and fixing mechanism according to claim 1, characterized in that: The auxiliary centering mechanism (9) includes a fixed ring (91), which is threadedly connected to the threaded rod (7) and slidingly connected to the guide rod (8). A rotating ring (92) is sleeved on the outer side of the fixed ring (91), and several extrusion blocks (93) are installed at equal angles on the inner wall of the rotating ring (92). Each extrusion block (93) is provided with an auxiliary rod (94), and the auxiliary rod (94) is slidably installed inside the fixed ring (91). At the same time, a pressure spring (95) is connected between the auxiliary rod (94) and the fixed ring (91).

5. The angle-adjustable aspherical lens processing and fixing mechanism according to claim 4, characterized in that: The side of the extrusion block (93) near the auxiliary rod (94) is arc-shaped, and several auxiliary rods (94) are distributed at equal angles about the center of the fixing ring (91). The end of the auxiliary rod (94) away from the center of the fixing ring (91) is arc-shaped, and a rubber pad is provided at the end of the auxiliary rod (94) near the center of the fixing ring (91).

6. The angle-adjustable aspherical lens processing and fixing mechanism according to claim 4, characterized in that: The center of the fixed ring (91) lies on the line connecting the centers of the two clamping blocks (6).

Images