A projection lamp lens polishing and positioning device

CN224847031UActive Publication Date: 2026-10-13NANYANG WUTONG PHOTOELECTRIC CO LTD
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Patent Information

Application Number
CN202521406715.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-04
Publication Date
2026-10-13
Estimated Expiration
2035-07-04

AI Technical Summary

Technical Problem

[0004]本实用新型的目的是提供一种投影灯镜片打磨定位装置,用以解决现有投影灯镜片打磨定位装置在进行定位夹持时操作比较繁琐,在定位时比较麻烦的缺陷

Benefits of technology

[0015]通过设置有夹持结构,在对镜片进行打磨时,通过双向丝杆和丝套的配合使用,可以带动两组定位夹持板向一侧移动,从而通过两组定位夹持板的设置可以对镜片进行一个定位夹持,使其在打磨时不会出现位置的移动,在打磨时效果更好;

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Abstract

The utility model discloses a kind of projection lamp lens polishing positioning devices, including workbench and mounting bracket;The side of workbench top end is equipped with mounting bracket, the middle position of the top end of workbench is equipped with locating block, lens is placed in the middle position of locating block, clamping structure is provided in the inside of mounting bracket;Clamping structure includes two-way screw rod, two-way screw rod is installed in the inside of mounting bracket, the outside of two-way screw rod two ends is equipped with silk cover, one side of silk cover is equipped with connecting frame, one side of connecting frame is fixed with locating clamping plate, one side of locating clamping plate is equipped with protective pad.The utility model is equipped with clamping structure, when polishing to lens, by the cooperation of two-way screw rod and silk cover, two groups of locating clamping plate can be driven to move to one side, so that the setting of two groups of locating clamping plate can be positioned to lens one clamping, so that it does not appear the movement of position when polishing, and the effect is better when polishing.
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Description

Technical Field

[0001] This utility model relates to the field of projection lamp technology, and in particular to a projection lamp lens grinding and positioning device. Background Technology

[0002] A projector lamp is a lighting device that projects images, patterns, or text onto a specific surface (such as a wall, floor, or screen) through an optical system. It is widely used in decoration, advertising, entertainment, education, and other scenarios. The projector lamp lens is the core component of the projector lamp optical system, which directly affects the clarity, brightness uniformity, spot size, and image quality of the projected pattern. One step in the production process of a projector lamp is to polish the surface of the projector lamp lens. During polishing, the lens needs to be positioned and clamped.

[0003] However, traditional positioning devices still have some problems when used for positioning and clamping. Traditional positioning devices are cumbersome to operate when positioning and clamping projection lamp lenses, and positioning is troublesome. Therefore, a projection lamp lens grinding and positioning device is needed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a projection lamp lens grinding and positioning device to solve the shortcomings of existing projection lamp lens grinding and positioning devices, which are cumbersome to operate and troublesome to position.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a projection lamp lens grinding and positioning device, including a worktable and a mounting bracket;

[0006] A mounting bracket is installed on one side of the top of the workbench, a positioning block is installed at the middle position of the top of the workbench, a lens is placed at the middle position of the positioning block, and a clamping structure is provided inside the mounting bracket.

[0007] The clamping structure includes a bidirectional lead screw, which is installed inside the mounting frame. Sleeves are provided on the outer sides of both ends of the bidirectional lead screw. A connecting frame is installed on one side of the sleeves. A positioning clamping plate is fixed on one side of the connecting frame. A protective pad is installed on one side of the positioning clamping plate. A servo motor is installed on one side of the bidirectional lead screw.

[0008] Preferably, the outer side of the bidirectional lead screw is provided with an external thread, and the inner side of the threaded sleeve is provided with an internal thread, forming a threaded connection between the bidirectional lead screw and the threaded sleeve.

[0009] Preferably, the positioning clamping plates are provided in two sets, and the two sets of positioning clamping plates are symmetrically distributed at the top of the worktable.

[0010] Preferably, the protective pad is made of rubber.

[0011] Preferably, the bottom end of the positioning block is provided with an auxiliary structure, the auxiliary structure including a moving groove, the moving groove being opened inside the worktable at the bottom end of the positioning block, a pressing block being installed inside the moving groove, an ejector block being installed on one side of the pressing block, a spring being fixed on the other side of the pressing block, and a push plate being installed on the top end of the pressing block.

[0012] Preferably, one end of the spring is fixed to the interior of one side of the moving groove, and the spring and the pressing block form a telescopic structure.

[0013] Preferably, the extrusion block slides inside the moving groove, and a guide connection is formed between the extrusion block and the moving groove.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] By incorporating a clamping structure, when polishing a lens, the combined use of a bidirectional lead screw and a lead sleeve can move two sets of positioning clamping plates to one side. This allows the lens to be positioned and clamped, preventing it from shifting during polishing and resulting in better polishing performance.

[0016] Furthermore, the use of protective pads can protect the lens and prevent the positioning clamping plate from damaging it, thus completing the protection work.

[0017] By incorporating an auxiliary structure to make it easier for workers to handle polished lenses, the extrusion block and the ejector block work together to lift the ejector block upwards, thereby lifting one side of the lens and creating a gap between one side of the lens and the top of the worktable, making it easier for workers to handle the lens. Attached Figure Description

[0018] Figure 1 This is a frontal three-dimensional structural schematic diagram of the present invention;

[0019] Figure 2 This is a frontal cross-sectional three-dimensional structural schematic diagram of the present invention;

[0020] Figure 3 This is a frontal three-dimensional structural diagram of the positioning and clamping structure of this utility model;

[0021] Figure 4 This is a three-dimensional structural diagram of the positioning and clamping structure of this utility model, viewed from below.

[0022] Figure 5 This is a three-dimensional structural schematic diagram of the auxiliary structure of this utility model from a side cross-section.

[0023] Figure 6 This is a three-dimensional structural diagram of the auxiliary structure of this utility model, viewed from below.

[0024] In the diagram: 1. Workbench; 2. Mounting frame; 3. Clamping structure; 301. Servo motor; 302. Connecting frame; 303. Two-way lead screw; 304. Sleeve; 305. Positioning clamping plate; 306. Protective pad; 4. Positioning block; 5. Lens; 6. Auxiliary structure; 601. Push plate; 602. Spring; 603. Extrusion block; 604. Ejection block; 605. Moving groove. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] This utility model embodiment provides a projection lamp lens grinding and positioning device, such as Figures 1-6 As shown, it includes a workbench 1 and a mounting bracket 2; the mounting bracket 2 is installed on one side of the top of the workbench 1, a positioning block 4 is installed at the middle position of the top of the workbench 1, a lens 5 is placed at the middle position of the positioning block 4, and a clamping structure 3 is provided inside the mounting bracket 2.

[0027] The clamping structure 3 includes a bidirectional lead screw 303, which is installed inside the mounting frame 2. A threaded sleeve 304 is provided on the outer sides of both ends of the bidirectional lead screw 303. A connecting frame 302 is installed on one side of the threaded sleeve 304. A positioning clamping plate 305 is fixed on one side of the connecting frame 302. A protective pad 306 is installed on one side of the positioning clamping plate 305. A servo motor 301 is installed on one side of the bidirectional lead screw 303. The outer side of the bidirectional lead screw 303 has an external thread, and the inner side of the threaded sleeve 304 has an internal thread. A threaded connection is formed between the bidirectional lead screw 303 and the threaded sleeve 304. Two sets of positioning clamping plates 305 are provided, and the two sets of positioning clamping plates 305 are symmetrically distributed at the top of the worktable 1. The protective pad 306 is made of rubber.

[0028] In a further preferred embodiment of this utility model, such as Figures 1-4As shown: When polishing lens 5, lens 5 is placed in the middle position of the two sets of positioning blocks 4 for preliminary positioning. After preliminary positioning is completed, servo motor 301 is started. After servo motor 301 is started, it drives bidirectional lead screw 303 to rotate. During the rotation of bidirectional lead screw 303, it will drive two sets of thread sleeves 304 to move towards the middle position. When the thread sleeves 304 move, they will drive the positioning clamping plate 305 to move to one side through the connecting frame 302. Through the setting of two sets of positioning clamping plates 305, lens 5 can be positioned and clamped, so that it will not move during polishing, resulting in better polishing effect. The use of protective pad 306 can protect lens 5 and prevent positioning clamping plate 305 from damaging lens 5, thus completing the positioning and clamping work of lens 5.

[0029] An auxiliary structure 6 is provided at the bottom of the positioning block 4. The auxiliary structure 6 includes a moving groove 605. The moving groove 605 is opened inside the worktable 1 at the bottom of the positioning block 4. A pressing block 603 is installed inside the moving groove 605. An ejector block 604 is installed on one side of the pressing block 603. A spring 602 is fixed on the other side of the pressing block 603. A push plate 601 is installed on the top of the pressing block 603. One end of the spring 602 is fixed to the inside of one side of the moving groove 605. The spring 602 and the pressing block 603 form a telescopic structure. The pressing block 603 slides inside the moving groove 605. The pressing block 603 and the moving groove 605 form a guide connection.

[0030] In a further preferred embodiment of this utility model, such as Figures 5-6 As shown: After the worker finishes polishing the lens 5, he releases the clamping of the positioning clamping plate 305 and pushes the push plate 601 to one side, thereby causing the pressing block 603 to slide inside the moving groove 605 and stretching the spring 602. As the pressing block 603 moves, since one side of the pressing block 603 and one side of the ejector block 604 are provided with matching slopes, the pressing block 603 will push the ejector block 604 upward as it is pressed, thereby lifting one side of the lens 5, creating a gap between one side of the lens 5 and the top of the worktable 1, making it more convenient for the worker to pick up the lens 5.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A projection lamp lens grinding and positioning device, characterized in that: Includes a workbench (1) and a mounting bracket (2); A mounting bracket (2) is installed on one side of the top of the workbench (1), a positioning block (4) is installed at the middle position of the top of the workbench (1), a lens (5) is placed at the middle position of the positioning block (4), and a clamping structure (3) is provided inside the mounting bracket (2). The clamping structure (3) includes a bidirectional lead screw (303), which is installed inside the mounting frame (2). The outer sides of both ends of the bidirectional lead screw (303) are provided with thread sleeves (304). A connecting frame (302) is installed on one side of the thread sleeve (304). A positioning clamping plate (305) is fixed on one side of the connecting frame (302). A protective pad (306) is installed on one side of the positioning clamping plate (305). A servo motor (301) is installed on one side of the bidirectional lead screw (303).

2. The projection lamp lens grinding and positioning device according to claim 1, characterized in that: The outer side of the bidirectional lead screw (303) is provided with an external thread, and the inner side of the thread sleeve (304) is provided with an internal thread, and the bidirectional lead screw (303) and the thread sleeve (304) form a threaded connection.

3. The projection lamp lens grinding and positioning device according to claim 1, characterized in that: The positioning clamping plate (305) is provided in two sets, and the two sets of positioning clamping plates (305) are symmetrically distributed at the top of the worktable (1).

4. The projection lamp lens grinding and positioning device according to claim 1, characterized in that: The protective pad (306) is made of rubber.

5. The projection lamp lens grinding and positioning device according to claim 4, characterized in that: The bottom end of the positioning block (4) is provided with an auxiliary structure (6), which includes a moving groove (605). The moving groove (605) is opened inside the worktable (1) at the bottom end of the positioning block (4). A pressing block (603) is installed inside the moving groove (605). A push block (604) is installed on one side of the pressing block (603). A spring (602) is fixed on the other side of the pressing block (603). A push plate (601) is installed on the top of the pressing block (603).

6. The projection lamp lens grinding and positioning device according to claim 5, characterized in that: One end of the spring (602) is fixed to the interior of one side of the moving groove (605), and the spring (602) and the pressing block (603) form a telescopic structure.

7. The projection lamp lens grinding and positioning device according to claim 5, characterized in that: The extrusion block (603) slides inside the moving groove (605), and the extrusion block (603) and the moving groove (605) form a guide connection.