Cutting method of optical glass lens

Abstract

The invention provides a cutting method of an optical glass lens. The cutting method comprises the following steps: carrying out mold pressing on the optical glass lens; mark points are arranged on the optical glass lens; the optical glass lens is loaded on the positioning disc; the positioning disc is arranged on laser cutting equipment, and the optical glass lens is positioned by the laser cutting equipment; setting cutting process parameters of the laser cutting equipment; and cutting. The positioning disc is used for loading multiple lenses at the same time, the multiple lenses can be cut at a time through the laser cutting technology, and the cutting efficiency is remarkably improved; mark points are arranged on the optical glass lens, so that the optical glass lens can be conveniently identified by the CCD camera; when the optical glass lens is subjected to mold pressing, the Mark point is subjected to heat transfer printing on the optical glass lens through the mold invalid area, so that the processing efficiency of the optical glass lens is improved; mark points are arranged on the positioning disc, so that the positioning disc can be conveniently positioned by the laser cutting equipment; in the production process, more cutting positioning discs are customized, so that the purpose of quickly replacing the material disc is achieved, and the cutting efficiency is improved.

Description

Technical Field

[0001] The invention relates to a finished product cutting technology of an optical glass lens, in particular to a cutting method of an optical glass lens. Background Art

[0002] At present, the market is still dominated by traditional milling or blade cutting for finished optical glass lenses. This method is affected by tooling and processes, and is very likely to cause edge chipping and poor size. In addition, cutting fluid needs to be continuously sprayed during the processing, which makes the environment oily and difficult to handle. The lens needs to be cleaned after cutting, which is not only inefficient but also greatly increases the manufacturing cost. Laser cutting of lenses can reduce the risk of edge breakage, improve product quality and yield, and clean and tidy laser cutting does not require a cleaning process, which reduces the demand for production personnel, shortens the production process steps, and improves yield. However, the production and manufacturing cost of laser cutting is high. Although the efficiency is improved compared to traditional cutting methods, overall, the cutting efficiency has not been qualitatively improved. Summary of the Invention

[0003] Purpose of the invention: The purpose of the present invention is to solve the above technical problems and provide a method for cutting optical glass lenses.

[0004] Technical solution: A method for cutting an optical glass lens of the present invention comprises the following steps: S1: Molded optical glass lens; S2: Set a mark point on the optical glass lens; S3: Load the optical glass lens onto the positioning plate; S4: placing a positioning plate on a laser cutting device, and positioning the optical glass lens on the laser cutting device; S5: Setting cutting process parameters of laser cutting equipment; S6: Cutting.

[0005] Furthermore, when the optical glass lens is produced by molding, a mark point is made in the ineffective area of ​​the mold and then transferred to the surface of the optical glass lens by heat pressing.

[0006] Furthermore, a plurality of positioning holes are provided on the positioning plate, and the optical glass lenses are loaded in the positioning holes.

[0007] Furthermore, a Mark point is provided on the positioning plate.

[0008] Furthermore, the positioning plate is provided with a pick-up and placement groove, and the pick-up and placement groove is provided at the edge of the positioning hole.

[0009] Furthermore, the positioning plate is provided with a hole for avoiding air.

[0010] Furthermore, steps S1-S3 are repeated to produce a plurality of positioning plates for loading optical glass lenses. After the cutting in step S6 is completed, steps S4-S6 are repeated.

[0011] Furthermore, in step S4, a CCD camera is used to locate the optical glass lens.

[0012] Beneficial effects: The present invention has the following beneficial effects: By using a positioning plate to load multiple lenses at the same time, multiple lenses can be cut at one time through laser cutting technology, which significantly improves cutting efficiency; Set a mark point on the optical glass lens to facilitate the CCD camera to identify the optical glass lens; By thermally transferring the mark points to the optical glass lens through the ineffective area of ​​the mold during molding, the processing efficiency of the optical glass lens is improved; Set mark points on the positioning plate to facilitate the positioning of the positioning plate by the laser cutting equipment; A pick-and-place slot is set on the positioning plate to facilitate loading and unloading of optical glass lenses; A clearance hole is provided on the positioning plate to avoid air during cutting and prevent the effective optical surface of the optical glass lens from being scratched; During the production process, by customizing more cutting positioning discs, the purpose of quickly replacing the material discs can be achieved, thereby increasing cutting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a process flow chart of the present invention; Figure 2 It is a structural diagram of the positioning plate. DETAILED DESCRIPTION

[0014] The present invention will be further described below with reference to the accompanying drawings.

[0015] like Figure 1 As shown, a method for cutting an optical glass lens of the present invention comprises the following steps: S1: Molded optical glass lens; S2: Setting a mark point on the optical glass lens. Specifically, when the optical glass lens is produced by molding, a mark point is made in the invalid area of ​​the mold and then transferred to the surface of the optical glass lens by hot pressing.

[0016] S3: Load the optical glass lens onto the positioning plate; S4: placing a positioning plate on a laser cutting device, and positioning the optical glass lens on the laser cutting device; S5: Setting cutting process parameters of laser cutting equipment; S6: Cutting.

[0017] Repeat steps S1-S3 to make multiple positioning plates for loading optical glass lenses. After completing the cutting in step S6, repeat steps S4-S6. In step S4, a CCD camera is used to position the optical glass lens.

[0018] like Figure 2 As shown, a plurality of positioning holes 1 are provided on the positioning disk, and the optical glass lens is loaded in the positioning hole 1. A Mark point 3 is provided on the positioning disk, which is convenient for the CCD camera of the laser cutting equipment to identify and locate. After the CCD camera of the laser cutting equipment recognizes the Mark point on the optical glass lens, the cutting product diagram is drawn on the laser cutting equipment and the cutting path parameters are set. After the parameter setting is completed, the laser beam line is moved to the cutting positioning point, and then the cutting program is started for production. A pick-up and placement groove 4 is provided on the positioning disk, and the pick-up and placement groove 4 is provided at the edge of the positioning hole 1. An air avoidance hole 2 is provided on the positioning disk.

[0019] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed by the present invention should be covered by the scope of protection of the present invention.

Claims

1. A method for cutting an optical glass lens, characterized in that: The following steps are involved: S1: Molded optical glass lens; S2: Set a mark point on the optical glass lens; S3: Load the optical glass lens onto the positioning plate; S4: placing a positioning plate on a laser cutting device, and positioning the optical glass lens on the laser cutting device; S5: Setting cutting process parameters of laser cutting equipment; S6: Cutting.

2. The method for cutting an optical glass lens according to claim 1, wherein: When molding optical glass lenses, mark points are made in the ineffective area of ​​the mold and then transferred to the surface of the optical glass lens by heat pressing.

3. The method for cutting an optical glass lens according to claim 1, wherein: A plurality of positioning holes are provided on the positioning plate, and the optical glass lenses are loaded in the positioning holes.

4. The method for cutting an optical glass lens according to claim 3, wherein: Mark points are provided on the positioning plate.

5. The method for cutting an optical glass lens according to claim 3, wherein: The positioning plate is provided with a pick-up and placement groove, and the pick-up and placement groove is arranged at the edge of the positioning hole.

6. The method for cutting an optical glass lens according to claim 3, wherein: The positioning plate is provided with a void hole.

7. The method for cutting an optical glass lens according to claim 1, wherein: Repeat steps S1-S3 to make a plurality of positioning plates for loading optical glass lenses. After completing the cutting in step S6, repeat steps S4-S6.

8. The method for cutting an optical glass lens according to claim 1, wherein: In step S4, a CCD camera is used to locate the optical glass lens.

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