Multi-axis linkage optical lens automatic edge grinding device

Abstract

The utility model relates to the technical field of optical lens processing, in particular to a multi-axis linkage optical lens automatic edge grinding device which comprises a fixing frame, an edge grinding table is fixedly installed on the top of the fixing frame, and a plurality of pressing structures for fixing optical lenses needing edge grinding are arranged on the periphery of the top of the edge grinding table. Limiting guide frames which are transversely arranged are fixedly mounted at the top of the fixing frame, a moving plate is connected between the limiting guide frames, an adjusting structure is arranged on the moving plate, and an edge grinding structure which can move up and down is arranged below the adjusting structure; due to the fact that the multiple edge grinding structures can be driven to move through linkage among the main driving gear, the multiple driven gears and the transmission threaded shaft, edge grinding can be conducted on multiple optical lenses at the same time, and the machining efficiency of the optical lenses is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical lens processing technical field, concretely is a kind of multi-axis linkage optical lens automatic edge grinding device. BACKGROUND

[0002] Optical lens is a kind of device using optical principle to transform object image, it can transform light according to optical principle, and transmit object image to our eyes.This kind of lens is widely used in optical sensor, security, medical system, and has important function.Optical lens changes light wavelength by unbounded reflection or transmits light and reflection, is applied to effective element of optical instrument and changes the function of optical equipment.Lens changes the direction of emitting light by the refraction phenomenon on surface and forms certain optical system, to change the direction of emitting light.In general, lens is made of certain special material, such as plastic or glass, is used to handle ordinary light, laser light and different wavelength light.

[0003] The existing optical lens processing flow includes: the processing flow of optical lens usually includes following several key steps, and certainly includes edge grinding operation:

[0004] Blank forming: this is the first step of processing, usually cutting raw material (such as glass or plastic) into approximate lens shape.

[0005] Coarse grinding: preliminary polishing is carried out to blank, the purpose is to remove surface roughness, so that lens has a preliminary model.During coarse grinding, abrasive force is selected to be larger, to quickly remove material.

[0006] Fine grinding: fine grinding is carried out after coarse grinding, to further reduce the roughness of lens surface, determine R value (radius of curvature), and remove surface impurities.Fine grinding usually uses finer abrasive, to obtain higher surface precision.

[0007] Polishing: polishing operation is to make the appearance of optical lens delicate and smooth, improve the light transmittance and imaging quality of lens.During polishing process, polishing machine and polishing powder are needed, and polishing time and pressure and other parameters are strictly controlled.

[0008] Cleaning: after completing polishing, lens needs to be cleaned to remove impurities and residues generated in polishing and grinding process.

[0009] Edge grinding: according to the outer diameter of required lens, lens is ground edge treatment.This step is to ensure that the edge shape of lens meets the design requirements, and improve the overall appearance and safety of lens.

[0010] Coating: If necessary, the lens is coated. Coating can change the reflectivity, transmittance and other optical properties of the lens, improve the use effect of the lens. The color and number of layers of coating can be selected according to specific needs.

[0011] Ink coating: In order to prevent the lens from reflecting light, black ink is usually applied to the outer edge of the lens. This step helps to reduce the influence of stray light on the imaging quality.

[0012] Gluing (if necessary): For some special optical systems, multiple lenses may need to be bonded together. This step requires the use of special glue, and ensures that the R values of the two lenses are opposite and the size and outer diameter are equal.

[0013] However, the optical lens edge grinding device has the following disadvantages: it usually has only one grinding device, which can only grind a single optical lens, and the overall efficiency is not high.

[0014] Therefore, it is necessary to design a multi-axis linkage optical lens automatic edge grinding device to solve the above problems. Content of the utility model

[0015] The utility model discloses a multi-axis linkage optical lens automatic edge grinding device to solve the problems in the above background art.

[0016] To achieve the above object, the utility model provides the following technical scheme:

[0017] A multi-axis linkage optical lens automatic edge grinding device, comprising a fixed frame, the top of the fixed frame is fixedly installed with an edge grinding table, a plurality of pressing structures for fixing the optical lens needing to be ground are arranged on the top periphery of the edge grinding table, a transversely arranged limiting guide frame is fixedly installed on the top of the fixed frame, a moving plate is connected between the limiting guide frames, an adjusting structure is arranged on the moving plate, and an edge grinding structure that can move up and down is arranged below the adjusting structure.

[0018] As a preferred scheme of the utility model, the pressing structure comprises a side fixed frame fixedly installed on the top of the edge grinding table, a plurality of rotating threaded columns are threadedly connected above the side fixed frame, a pressing disc is fixedly connected to the bottom of the rotating threaded column, and an optical lens body is arranged between the bottom of the pressing disc and the side fixed frame.

[0019] As the preferred scheme of the utility model, the adjusting structure includes the reduction motor fixedly installed at the top of the moving plate, the bottom output end of the reduction motor is fixedly connected with the main drive gear, the outer side of the main drive gear is respectively meshed with a plurality of driven gears, the inside of a plurality of driven gears is fixedly connected with the transmission threaded shaft, the side of the transmission threaded shaft is provided with the guide rod, the outer side of the transmission threaded shaft and the guide rod is connected with the threaded sleeve.

[0020] As the preferred scheme of the utility model, the inside of one side of the threaded sleeve is threadedly connected with the transmission threaded shaft, and the inside of the other side is slidingly connected with the guide rod.

[0021] As the preferred scheme of the utility model, the grinding edge structure includes the mounting table fixedly connected with the bottom of the threaded sleeve and sleevedly installed on the guide rod, the top of the mounting table is fixedly installed with the grinding edge motor, the bottom output shaft of the grinding edge motor is fixedly connected with the first gear, the side of the first gear is meshed with the second gear, and the second gear is fixedly connected with the grinding edge tooth through the shaft body.

[0022] As the preferred scheme of the utility model, the top of a plurality of transmission threaded shafts passes through the driven gear and rotates through the bearing located at the bottom of the moving plate.

[0023] As the preferred scheme of the utility model, the front and rear sides of the moving plate are provided with the sliding block, and the inside of the limiting guide frame is slidingly connected through the sliding block, and the inside of the moving plate is further connected with the electric sliding rod.

[0024] Compared with the prior art, the utility model has the beneficial effects that:

[0025] In the utility model, when the optical lens grinding device is used, the optical lens can be fixedly pressed by the pressing structure, then the grinding edge structure is moved to the position of the optical lens to be ground by the adjusting structure and the electric sliding rod, and then the grinding edge structure can be used to grind the plurality of fixedly pressed optical lenses on the grinding edge table, so that the plurality of optical lenses can be ground at the same time by the linkage between the main drive gear, the plurality of driven gears and the transmission threaded shaft, thereby improving the optical lens processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the whole three-dimensional structure schematic view of the utility model;

[0027] Figure 2 It is the three-dimensional structure schematic view of the adjusting structure of the utility model;

[0028] Figure 3The three-dimensional structure schematic diagram of the edge grinding structure of the utility model;

[0029] Figure 4 The three-dimensional structure schematic diagram of the pressing structure of the utility model.

[0030] In the drawing: 1, fixed frame; 2, edge grinding table; 3, pressing structure; 31, side fixed frame; 32, rotating threaded column; 33, pressing disc; 34, optical lens body; 4, limiting guide frame; 5, moving plate; 6, adjusting structure; 61, speed reducer motor; 62, main drive gear; 63, driven gear; 64, transmission threaded shaft; 65, guide rod; 66, threaded sleeve; 7, edge grinding structure; 71, mounting table; 72, edge grinding motor; 73, first gear; 74, second gear; 75, edge grinding tooth; 8, electric slide rod. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0032] In order to facilitate understanding of the utility model, the utility model will be more fully described below with reference to the relevant drawings. Several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0033] It should be noted that when an element is referred to as "fixedly installed" on another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected" to another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0035] Embodiment, please see Figures 1-4 The utility model provides a technical scheme:

[0036] A multi-axis linkage optical lens automatic edging device, comprising a fixed frame 1, a fixed frame 1 top fixedly installed with an edging table 2, the top of the edging table 2 is provided with a plurality of pressing structures 3 for fixing the optical lens needing to be edged, the top of the fixed frame 1 is fixedly installed with a transversely arranged limiting guide frame 4, the limiting guide frame 4 is connected with a moving plate 5, the moving plate 5 is provided with an adjusting structure 6, and the lower side of the adjusting structure 6 is provided with an up-and-down movable edging structure 7.

[0037] Specifically, the pressing structure 3 comprises a side fixed frame 31 fixedly installed on the top of the edging table 2, a plurality of side fixed frames 31 are threadedly connected with rotating threaded columns 32 above, the bottom of the rotating threaded column 32 is fixedly connected with a pressing disc 33, and the lower side of the side fixed frame 31 and the bottom of the pressing disc 33 are provided with an optical lens body 34; the pressing disc 33 below is driven to rotate and move downward at the same time by rotating the threaded column 32, so as to press and fix the optical lens body 34 by the pressing disc 33.

[0038] Specifically, the adjusting structure 6 comprises a reduction motor 61 fixedly installed on the top of the moving plate 5, the bottom output end of the reduction motor 61 is fixedly connected with a main drive gear 62, the outer side of the main drive gear 62 is respectively meshingly connected with a plurality of driven gears 63, the inside of the plurality of driven gears 63 is fixedly connected with transmission threaded shafts 64, one side of the transmission threaded shaft 64 is provided with a guide rod 65, and the outer side of the transmission threaded shaft 64 and the guide rod 65 is connected with a threaded sleeve 66; the inside of one side of the threaded sleeve 66 is threadedly connected with the transmission threaded shaft 64, and the inside of the other side is slidingly connected with the guide rod 65; the top of the plurality of transmission threaded shafts 64 penetrates through the driven gear 63 and rotates through the bearing located at the bottom of the moving plate 5; the main drive gear 62 is driven to rotate by the reduction motor 61, and then the plurality of transmission threaded shafts 64 are driven to rotate under the meshing design of the main drive gear 62 and the plurality of driven gears 63, so as to promote the threaded sleeve 66 to move downward on the transmission threaded shaft 64, thereby synchronously moving to one side of the optical lens body 34 being edged, achieving the purpose of subsequent synchronous edging.

[0039] Specifically, the edging structure 7 comprises an installation table 71 fixedly connected with the bottom of the threaded sleeve 66 and sleevedly installed on the guide rod 65, the top of the installation table 71 is fixedly installed with an edging motor 72, the bottom output shaft of the edging motor 72 is fixedly connected with a first gear 73, one side of the first gear 73 is meshingly connected with a second gear 74, the first gear 73 and the second gear 74 are bevel gears, and the second gear 74 is fixedly connected with an edging tooth 75 through a shaft body; the first gear 73 and the second gear 74 are driven to rotate synchronously by the edging motor 72, and then the edging tooth 75 is driven to rotate to perform edging operation on the optical lens.

[0040] Specifically, the front and rear sides of the moving plate 5 are provided with sliding blocks, and the sliding blocks are slidably connected to the inside of the limiting guide frame 4, and the inside of the moving plate 5 is further connected with an electric slide rod 8; the moving plate 5 is driven to move left and right by the electric slide rod 8, so that the transverse position of the edging structure 7 can be changed.

[0041] The utility model discloses a work flow: when using the multi-shaft linkage optical lens automatic edging device, first, the rotation of the threaded column 32 drives the lower compression disc 33 to move downward while rotating, thereby using the compression disc 33 to compress and fix the optical lens body 34, then the main drive gear 62 is driven to rotate by the reduction motor 61, under the design of the meshing of the main drive gear 62 and the plurality of driven gears 63, the plurality of transmission threaded shafts 64 are driven to rotate, thereby promoting the threaded sleeve 66 to move downward on the transmission threaded shaft 64, thereby synchronously moving to one side of the optical lens body 34 to be edged, achieving the purpose of subsequent synchronous edging; while edging, the first gear 73 and the second gear 74 are driven to rotate synchronously by the edging motor 72, thereby driving the edging teeth 75 to rotate to perform the edging operation on the optical lens.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-axis linkage optical lens automatic edging device, comprising a fixing frame (1), characterized in that: The top of the fixing frame (1) is fixedly provided with an edging table (2), the top of the edging table (2) is provided with a plurality of pressing structures (3) for fixing optical lenses needing to be edged, the top of the fixing frame (1) is fixedly provided with a transversely arranged limiting guide frame (4), the limiting guide frame (4) is connected with a moving plate (5), the moving plate (5) is provided with an adjusting structure (6), and the lower portion of the adjusting structure (6) is provided with an up-and-down movable edging structure (7).

2. The multi-axis linkage optical lens automatic edging device according to claim 1, wherein: The pressing structure (3) comprises a side fixing frame (31) fixedly arranged on the top of the edging table (2), a plurality of rotating threaded columns (32) are threadedly connected above the side fixing frame (31), the bottom of the rotating threaded column (32) is fixedly connected with a pressing disc (33), and the optical lens body (34) is arranged between the lower portion of the side fixing frame (31) and the bottom of the pressing disc (33).

3. The multi-axis linkage optical lens automatic edging device according to claim 1, wherein: The adjusting structure (6) comprises a reduction motor (61) fixedly arranged on the top of the moving plate (5), the bottom output end of the reduction motor (61) is fixedly connected with a main drive gear (62), the outer side of the main drive gear (62) is respectively meshedly connected with a plurality of driven gears (63), the inner portion of the driven gear (63) is fixedly connected with a transmission threaded shaft (64), one side of the transmission threaded shaft (64) is provided with a guide rod (65), and the outer sides of the transmission threaded shaft (64) and the guide rod (65) are connected with a threaded sleeve (66).

4. The multi-axis linkage optical lens automatic edging device according to claim 3, wherein: The inner portion of one side of the threaded sleeve (66) is threadedly connected with the transmission threaded shaft (64), and the inner portion of the other side is slidingly connected with the guide rod (65).

5. The multi-axis linkage optical lens automatic edging device according to claim 1, wherein: The edging structure (7) comprises an installation table (71) fixedly connected with the bottom of the threaded sleeve (66) and sleevedly arranged on the guide rod (65), the top of the installation table (71) is fixedly provided with an edging motor (72), the bottom output shaft of the edging motor (72) is fixedly connected with a first gear (73), one side of the first gear (73) is meshedly connected with a second gear (74), and the second gear (74) is fixedly connected with an edging tooth (75) through a shaft body.

6. The multi-axis linkage optical lens automatic edging device according to claim 3, wherein: The top of the transmission threaded shaft (64) is rotatable through the driven gear (63) and the bearing located at the bottom of the moving plate (5).

7. The multi-axis linkage optical lens automatic edging device according to claim 1, wherein: The front and rear sides of the moving plate (5) are provided with sliding blocks which are slidingly connected in the inner portion of the limiting guide frame (4), and the inner portion of the moving plate (5) is further connected with an electric sliding rod (8).

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