Optical lens positioning clamp

Abstract

The utility model relates to the technical field of optical lens processing, in particular to an optical lens positioning clamp. An optical lens positioning clamp comprises a base, a workbench is arranged on the base, a first groove is formed in the workbench, a placing plate is slidably connected into the first groove, rotating shafts distributed at equal intervals are rotatably connected to the edge of the base, a rotating rod is rotatably connected to each rotating shaft, and a clamping plate is arranged on each rotating rod. The clamping plates rotate and cooperate with each other to fix the lens. After the placing plate drives the lens to descend, the clamping plate rotates to center and position the lens, then the lens is clamped and fixed through the torque force of the torsional spring, the lens clamping device is suitable for optical lenses of different specifications and sizes, after machining is completed, the clamping plate loosens the lens, the placing plate ejects the lens out, and taking is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical lens processing technical field especially relates to optical lens positioning fixture. BACKGROUND

[0002] Optical lens is a kind of glass material with high transparency and optical performance, it has wide application in optical field, in the optical lens processing, positioning device is usually used, optical lens is positioned to facilitate staff processing, guarantee the processing accuracy of optical lens, the traditional positioning fixture can generally only be adapted to the positioning optical lens of corresponding size, when replacing optical lens of different specifications and sizes, different positioning fixtures need to be replaced. SUMMARY

[0003] The utility model provides optical lens positioning fixture, in order to solve the deficiency of prior art.

[0004] The technical implementation scheme of the utility model is: optical lens positioning fixture, including base, be provided with workbench on the base, be provided with recess one on the workbench, slidingly connected with placing plate in recess one, the edge of base is rotatably connected with the rotating shaft of equal interval distribution, rotatably connected with rotating lever on each rotating shaft, each rotating lever is provided with clamping plate, and each clamping plate rotates mutually and cooperates and fixes lens.

[0005] Preferably, a cavity is formed in the workbench, a gas cylinder is arranged in the cavity, a movable plate connected to the piston rod of the gas cylinder is slidingly connected in the cavity, a slide rod corresponding to each rotating shaft is arranged on the top of the movable plate, a connecting column corresponding to each slide rod is arranged on the bottom of the placing plate, a magnetic block is arranged on the end of each slide rod and the end of each connecting column, and the magnetic block on each slide rod is attracted to the magnetic block on the corresponding connecting column.

[0006] Preferably, a convex block is arranged on each slide rod, a rotating cylinder is rotatably connected to the workbench and sleeved on each slide rod, a guide groove matched with the convex block is formed in the inner wall of each rotating cylinder, and a belt pulley assembly is arranged between the bottom of each rotating cylinder and the rotating shaft.

[0007] Preferably, the guide groove comprises a vertical groove and a threaded groove distributed from top to bottom and communicating with each other.

[0008] Preferably, a recess two is formed in the workbench, and a laser lamp is arranged in the recess two.

[0009] The utility model has the following advantages: 1, the utility model is driven by the placing plate after the lens is lowered, the clamping plate is rotated to centrally position the lens, and then the torque of the torsional spring is used to clamp and fix the lens, so that optical lenses of different specifications and sizes can be adapted, after processing is completed, the clamping plate is loosened, the placing plate is used to eject the lens, and the lens is conveniently taken out.

[0010] 2. The utility model discloses a laser lamp is set up in the center groove no. 2 of workbench and is convenient for the processing device to align the lens placed on the placing plate. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model.

[0012] Fig. 2 It is the three-dimensional structure sectional view of the utility model.

[0013] Fig. 3 It is the three-dimensional structure sectional view of the utility model's rotary cylinder.

[0014] In the above drawing: 1 - base, 2 - workbench, 3 - groove one, 4 - placing plate, 5 - rotating shaft, 6 - rotating rod, 7 - clamping plate, 8 - cavity, 9 - air cylinder, 10 - moving plate, 11 - slide bar, 12 - connecting column, 13 - magnetic block, 14 - protruding block, 15 - rotary cylinder, 16 - guide groove, 17 - belt pulley assembly, 18 - torsional spring, 19 - groove two, 20 - laser lamp. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0016] Embodiment 1: optical lens positioning clamp, refer to Figs. 1-3 , including base 1, base 1 top is provided with workbench 2, workbench 2 top is seted up with groove one 3, the placing plate 4 of sliding connection is seted up in groove one 3, base 1 edge is rotatably connected with three rotating shafts 5 of equal interval distribution, the upper portion of each rotating shaft 5 is rotatably connected with rotating rod 6, each rotating rod 6 is provided with clamping plate 7, and each clamping plate 7 is rotatably fixed lens.

[0017] Preferably, the lower part of workbench 2 is provided with cavity 8, air cylinder 9 is arranged in cavity 8, moving plate 10 connected with the piston rod of air cylinder 9 is slidably connected in cavity 8, the top of moving plate 10 is provided with slide bar 11 corresponding to rotating shaft 5, the bottom of placing plate 4 is provided with connecting column 12 corresponding to slide bar 11, the upper end of each slide bar 11 and the lower end of each connecting column 12 are provided with magnetic block 13, and the magnetic block 13 on each slide bar 11 is attracted to the magnetic block 13 on the corresponding connecting column 12.

[0018] Preferably, the upper part of each slide rod 11 is provided with a protrusion 14, the workbench 2 is rotationally connected with a rotating cylinder 15 respectively sleeved on each slide rod 11, the inner wall of each rotating cylinder 15 is provided with a guide groove 16 matched with the protrusion 14, and the bottom of each rotating cylinder 15 is provided with a belt pulley assembly 17 with the rotating shaft 5.

[0019] Preferably, the guide groove 16 comprises vertical grooves and screw grooves distributed from top to bottom and communicated.

[0020] Preferably, the top center of the workbench 2 is provided with a second recess 19, and the second recess 19 is provided with a laser lamp 20.

[0021] Working principle: in use, the lens is placed on the placing plate 4, the moving plate 10 is driven to descend by the air cylinder 9, the slide rod 11 is driven to descend by the moving plate 10, the connecting column 12 is driven to descend by the two attractive magnetic blocks 13 of the slide rod 11, the placing plate 4 is driven to descend and shrink into the first recess 3 by the connecting column 12, thereby driving the lens to descend between the clamping plates 7, and when the slide rod 11 descends, the protrusion 14 is driven to descend by the slide rod 11, when the protrusion 14 moves to the lower end of the vertical groove, the placing plate 4 is completely shrunk into the first recess 3, and the placing plate 4 is limited by the first recess 3 and no longer descends, the two attractive magnetic blocks 13 are separated by the downward movement of the slide rod 11, the protrusion 14 is matched with the screw groove to drive the rotating cylinder 15 to rotate, the rotating cylinder 15 drives the rotating shaft 5 to rotate through the belt pulley assembly 17, and the rotating shaft 5 drives the rotating rod 6 and the clamping plate 7 to rotate, at this time, the surrounding clamping plates 7 centrally position the lens, the rotating shaft 5 continues to rotate, the torsional spring 18 is deformed, at this time, the clamping plate 7 clamps and fixes the lens through the torque of the torsional spring 18, and the lens is ejected by the placing plate 4 when the moving plate 10 is driven to ascend back by the air cylinder 9, the clamping plate 7 is first reversed to release the lens, and the lens is ejected by the placing plate 4, and the laser lamp 20 is convenient for the processing device to align the lens placed on the placing plate 4.

[0022] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation according to the content of the present application, or direct or indirect application in other related technical fields, are all included in the patent protection range of the present application.

Claims

1. An optical lens positioning fixture, characterized by: An optical lens positioning fixture includes a base (1), a worktable (2) on the base (1), a groove (3) on the worktable (2), a placement plate (4) slidably connected in the groove (3), and rotating shafts (5) evenly distributed on the edge of the base (1). Each rotating shaft (5) is rotatably connected to a rotating rod (6), and each rotating rod (6) is provided with a clamping plate (7). Each clamping plate (7) rotates and cooperates with each other to fix the lens.

2. The optical lens positioning fixture according to claim 1, characterized in that: The workbench (2) has a cavity (8) inside, and a cylinder (9) is installed inside the cavity (8). A movable plate (10) connected to the piston rod of the cylinder (9) is slidably connected inside the cavity (8). A slide rod (11) corresponding to the rotating shaft (5) is installed on the top of the movable plate (10). A connecting post (12) corresponding to the slide rod (11) is installed on the bottom of the placement plate (4). A magnetic block (13) is installed at the end of each slide rod (11) and at the end of each connecting post (12). The magnetic block (13) on each slide rod (11) is attracted to the magnetic block (13) on the corresponding connecting post (12).

3. The optical lens positioning fixture according to claim 2, characterized in that: each Each slide rod (11) is provided with a protrusion (14), and a rotating cylinder (15) is rotatably connected to each slide rod (11). Each rotating cylinder (15) has a guide groove (16) on its inner wall that cooperates with the protrusion (14), and a pulley assembly (17) is provided between the bottom of each rotating cylinder (15) and the rotating shaft (5).

4. The optical lens positioning fixture according to claim 3, characterized in that: The guide groove (16) includes vertical grooves and threaded grooves that are distributed from top to bottom and are interconnected.

5. The optical lens positioning fixture according to claim 1, characterized in that: A groove (19) is provided on the workbench (2), and a laser lamp (20) is installed in the groove (19).

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