Adjustable lens positioning tool

Abstract

The utility model discloses an adjustable lens positioning tool, which relates to the technical field of lens processing and comprises a bottom plate, two sliding chutes are arranged on two sides of the top of the bottom plate, a bidirectional screw rod is rotatably mounted in the bottom plate, and moving blocks are arranged on two different thread parts outside the bidirectional screw rod. The lens is placed in the placing grooves formed in the two clamping blocks, the two moving blocks on the two-way lead screw can be driven to move oppositely or oppositely by rotating the two-way lead screw, then the two clamping blocks can clamp the lens placed on the two clamping blocks, the lens can be positioned and fixed, and in order to ensure the positioning and fixing effect of the lens, the two clamping blocks can be rotated to drive the two moving blocks to move oppositely or oppositely. The distance between the first positioning plate and the second positioning plate can be stretched, it is ensured that the first positioning plate and the second positioning plate can be nested outside the two clamping blocks through the mounting blocks and the mounting grooves correspondingly, and after the first positioning plate and the second positioning plate are fixed and limited, the phenomenon that the two clamping blocks are loosened on the lead screw can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lens processing technical field, concretely is adjustable lens positioning frock. BACKGROUND

[0002] A lens is a transparent medium sheet with specific optical properties. It is usually made of various optical materials such as glass, resin, etc. These materials are finely processed and polished to have specific refractive index and radius of curvature, etc. When light passes through the lens, refraction, reflection, etc. Optical phenomena occur according to the shape, material and refractive index of the lens, etc. to control the path of light propagation.

[0003] The prior art authorization announcement No. CN217992202U discloses a lens positioning frock. The lens positioning frock comprises a base, a limiting block, a first positioning block and a second positioning block; the upper surface of the first positioning block is provided with a first lens limiting groove, and the upper surface of the second positioning block is provided with a second lens limiting groove; the limiting block comprises a first through hole and a second through hole, and the first positioning block and the second positioning block are respectively located on the base through the first through hole and the second through hole; wherein, the periphery of the positioning block and the hole wall of the through hole are provided with a clamping structure matched with each other; the periphery of the limiting block is provided with a strip-shaped sliding groove, and the strip-shaped sliding groove is used for fixing the limiting block on the base by screws. The scheme provided by the present application can quickly and accurately fix the relative position of the first positioning block and the second positioning block, avoid the deviation of the relative position of the first positioning block and the second positioning block caused by operation error when moving or replacing the first positioning block or the second positioning block, and cause the problem of inaccurate positioning, and the structure is simple and convenient to operate.

[0004] The above technical scheme can position and install the lens, but some different specifications of the lens may not be suitable for positioning on the equipment, and the lens cannot be smoothly inserted or fixed to the specified position. Therefore, we provide a adjustable lens positioning frock. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a adjustable lens positioning frock to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: An adjustable lens positioning tool, including the bottom plate, the bottom plate top both sides are equipped with two sliding slots, the bottom plate inside rotatory mounting has the two -way screw rod, the two -way screw rod outside two different screw parts all are provided with the moving block, two the moving block's top all are provided with the clamping block, two the clamping block opposite sides all are provided with the mounting block, two the clamping block's bottom both sides all are provided with the sliding block, the bottom plate's top is provided with the locating plate no.

[0007] As a further preferred aspect of the present technical solution, the auxiliary mechanism includes a fixed tube, one end of the fixed tube is fixedly connected with one side of the locating plate one, a telescopic tube is slidably connected inside the fixed tube, and a hollow slot is formed through one side of the telescopic tube.

[0008] As a further preferred aspect of the present technical solution, a bolt is arranged in the clamping groove formed in one side of the fixed tube, one end of the bolt penetrates the clamping groove formed in one side of the fixed tube and the hollow slot and is threadedly connected with the inner wall of the nut.

[0009] As a further preferred aspect of the present technical solution, the two different screw parts outside the two-way screw rod are threadedly connected with the moving block, and the top of the moving block is fixedly connected with the clamping block.

[0010] As a further preferred aspect of the present technical solution, the two different screw parts outside the two-way screw rod are threadedly connected with the moving block, and the top of the moving block is fixedly connected with the clamping block.

[0011] As a further preferred aspect of the present technical solution, the outside of the sliding block is slidably connected with the inner wall of the sliding slot, and the clamping grooves formed through the top of the locating plate one and the locating plate two are respectively butted against the outside of the two clamping blocks.

[0012] As a further preferred aspect of the present technical solution, the outside of the mounting block is butted against the inner wall of the mounting slot.

[0013] The utility model provides a kind of adjustable lens positioning tool, with the following beneficial effects:

[0014] (1) This utility model places the lens in the placement slots opened in the two clamping blocks. By rotating the bidirectional screw, the two moving blocks on it can be moved relative to each other or towards each other. Then the two clamping blocks will clamp the lens placed on them, and the lens will be positioned and fixed. In order to ensure the positioning and fixing effect of the lens, the distance between positioning plate one and positioning plate two can be stretched to ensure that positioning plate one and positioning plate two can be nested on the outside of the two clamping blocks through the mounting block and the mounting slot respectively. After fixing and limiting positioning plate one and positioning plate two, the phenomenon of the two clamping blocks loosening on the screw can be avoided.

[0015] (2) When adjusting the spacing, the telescopic tube will slide and extend within the fixed tube. After the positioning plate 1 and positioning plate 2 are nested on the two clamping blocks respectively, the bolts are passed through the slots and hollowed-out slots opened in the fixed tube, and the bolts are tightened with nuts. Thus, the fixed tube and the telescopic tube will achieve a locking and limiting effect. Therefore, after the positioning plate 1 and positioning plate 2 are fixed and limited, they can further provide a stable effect for the positioning of the lens. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of an adjustable lens positioning fixture according to the present invention.

[0017] Figure 2 This is a structural diagram of the side of an adjustable lens positioning fixture according to the present invention.

[0018] Figure 3 This is a partial side view of an adjustable lens positioning fixture according to the present invention.

[0019] Figure 4 This is a side view of the disassembled adjustable lens positioning tooling auxiliary mechanism of this utility model.

[0020] In the diagram: 11. Base plate; 12. Slide groove; 13. Two-way lead screw; 14. Moving block; 15. Clamping block; 16. Mounting block; 18. Slider; 19. Positioning plate one; 110. Positioning plate two; 111. Mounting groove; 2. Auxiliary mechanism; 21. Fixed pipe; 22. Telescopic pipe; 23. Hollowed-out groove; 24. Bolt; 25. Nut. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0022] This utility model provides a technical solution: such as Figures 1-4As shown, in this embodiment, an adjustable lens positioning fixture includes a base plate 11. Two sliding grooves 12 are formed on both sides of the top of the base plate 11. A bidirectional lead screw 13 is rotatably mounted inside the base plate 11. Moving blocks 14 are provided on two different threaded portions of the bidirectional lead screw 13. Clamping blocks 15 are provided on the top of each of the two moving blocks 14. Moving blocks 14 are threadedly connected to the two different threaded portions of the bidirectional lead screw 13. Clamping blocks 15 are fixedly connected to the top of each moving block 14. Mounting blocks 16 are provided on opposite sides of each clamping block 15. Slider blocks 18 are provided on both sides of the bottom of each clamping block 15. Mounting blocks 16 are fixedly connected to the opposite sides of the clamping blocks 15. Slider blocks 18 are fixedly connected to the bottom sides of the clamping blocks 15. Positioning plate 19 and positioning plate 2 110 are provided on the top of the base plate 11. The outside of the slider 18 is slidably connected to the inner wall of the slide groove 12. The slots that are opened through the top of positioning plate 19 and positioning plate 2 110 are respectively connected to the outside of the two clamping blocks 15. The inner walls of positioning plate 19 and positioning plate 2 110 are provided with mounting grooves 111 on the opposite sides. The outside of the mounting block 16 is connected to the inner wall of the mounting groove 111. Auxiliary mechanisms 2 are provided on both sides between positioning plate 19 and positioning plate 2 110.

[0023] In this embodiment, when the positioning fixture is used to position and clamp lenses of different sizes and models, the lens can first be placed in the placement slots opened in the two clamping blocks 15. By rotating the bidirectional lead screw 13, the two moving blocks 14 on it can be moved relative to each other or towards each other. Then, the two clamping blocks 15 will clamp the lens placed on them. When the clamping blocks 15 move, the slider 18 will slide in the slide groove 12 to ensure the stability and accuracy of the movement of the clamping blocks 15. After both ends of the lens are clamped, the lens will be positioned and fixed. In order to ensure the positioning and fixing effect of the lens, the distance between the positioning plate 19 and the positioning plate 2 110 can be stretched to ensure that the positioning plate 19 and the positioning plate 2 110 can be nested on the outside of the two clamping blocks 15 by the mounting block 16 and the mounting groove 111 respectively. Then, the auxiliary mechanism 2 is used to fix and limit the positioning plate 19 and the positioning plate 2 110 to further ensure the positioning effect of the lens on the fixture.

[0024] like Figures 1-4 As shown, the auxiliary mechanism 2 includes a fixed tube 21. One end of the fixed tube 21 is fixedly connected to one side of the positioning plate 19. A telescopic tube 22 is slidably connected inside the fixed tube 21. A hollowed-out groove 23 is opened through one side of the telescopic tube 22. A bolt 24 is installed in the slot opened on one side of the fixed tube 21. One end of the bolt 24 passes through the slot and the hollowed-out groove 23 opened on one side of the fixed tube 21 and is threadedly connected to the inner wall of the nut 25.

[0025] In this embodiment, when the spacing between positioning plate 19 and positioning plate 210 is adjusted, the telescopic tube 22 will slide and extend within the fixed tube 21. After positioning plate 19 and positioning plate 210 are nested on the two clamping blocks 15 respectively, bolts 24 are passed through the slots and hollowed-out grooves 23 opened in the fixed tube 21, and nuts 25 are used to tighten the bolts 24. Thus, the fixed tube 21 and the telescopic tube 22 will achieve a locking and limiting effect. Therefore, after positioning plate 19 and positioning plate 210 are fixed and limited, they can further provide a stable effect for the positioning of the lens.

[0026] This utility model provides an adjustable lens positioning fixture, the specific working principle of which is as follows:

[0027] When using this positioning fixture to position and clamp lenses of different sizes and models, the lens to be processed is placed stably in the specially designed arc-shaped placement groove on the two clamping blocks 15. This groove design can effectively fit the edge of the lens and provide initial positioning. The bidirectional lead screw 13 mechanism in the center of the rotating fixture is rotated. The forward and reverse threads of the lead screw drive the two moving blocks 14 to move synchronously towards or away from each other. The moving blocks 14 drive the clamping blocks 15 to precisely adjust the spacing, realize flexible clamping of the lens, and ensure accurate positioning of the lens center. According to the lens size, the spacing between positioning plate one 19 and positioning plate two 110 is adjusted. The positioning plate is precisely fitted onto the outside of the clamping block 15 through the nesting structure of the mounting block 16 and the mounting groove 111. The bolt 24 is passed through the slot of the fixing tube 21 and the hollowed-out slot 23 of the telescopic tube 22 and locked with the nut 25. Through the locking mechanism of the fixing tube 21 and the telescopic tube 22, the positioning plate one 19 and positioning plate two 110 are rigidly fixed, thus further providing a stable positioning effect for the lens.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable lens positioning fixture, comprising a base plate (11), characterized in that: The base plate (11) has two sliding grooves (12) on both sides of its top. A bidirectional lead screw (13) is rotatably installed inside the base plate (11). Two different threaded parts of the bidirectional lead screw (13) are provided with moving blocks (14). The top of the two moving blocks (14) is provided with clamping blocks (15). The opposing side of the two clamping blocks (15) is provided with mounting blocks (16). The bottom sides of the two clamping blocks (15) are provided with sliders (18). The top of the base plate (11) is provided with positioning plate one (19) and positioning plate two (110). The opposing side of the inner walls of positioning plate one (19) and positioning plate two (110) are provided with mounting grooves (111). The two sides between positioning plate one (19) and positioning plate two (110) are provided with auxiliary mechanisms (2).

2. The adjustable lens positioning fixture according to claim 1, characterized in that: The auxiliary mechanism (2) includes a fixed tube (21), one end of which is fixedly connected to one side of the positioning plate (19), and a telescopic tube (22) is slidably connected inside the fixed tube (21), and a hollowed-out groove (23) is opened through one side of the telescopic tube (22).

3. The adjustable lens positioning fixture according to claim 2, characterized in that: A bolt (24) is installed in the slot on one side of the fixed tube (21). One end of the bolt (24) passes through the slot and the hollowed-out groove (23) on one side of the fixed tube (21) and is threaded to the inner wall of the nut (25).

4. The adjustable lens positioning fixture according to claim 1, characterized in that: The two different threaded parts of the bidirectional lead screw (13) are threadedly connected to a moving block (14), and a clamping block (15) is fixedly connected to the top of the moving block (14).

5. The adjustable lens positioning fixture according to claim 1, characterized in that: Each of the two clamping blocks (15) has a mounting block (16) fixedly connected to one side facing each other, and a slider (18) is fixedly connected to both sides of the bottom of each clamping block (15).

6. The adjustable lens positioning fixture according to claim 1, characterized in that: The outside of the slider (18) is slidably connected to the inner wall of the groove (12), and the slots that are opened through the top of the positioning plate one (19) and the positioning plate two (110) are respectively connected to the outside of the two clamping blocks (15).

7. The adjustable lens positioning fixture according to claim 1, characterized in that: The exterior of the mounting block (16) is aligned with the inner wall of the mounting groove (111).

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