CN112792666A - Method and system for thinning glasses lens - Google Patents
Method and system for thinning glasses lens Download PDFInfo
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- CN112792666A CN112792666A CN202110029885.8A CN202110029885A CN112792666A CN 112792666 A CN112792666 A CN 112792666A CN 202110029885 A CN202110029885 A CN 202110029885A CN 112792666 A CN112792666 A CN 112792666A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/01—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The application discloses a method and a system for thinning glasses lenses, which are used for processing glasses prototypes lenses. The method comprises the following steps: removing materials of a non-optical area to be thinned of the prototype lens to be thinned to a target thickness, wherein the prototype lens is a semi-finished lens with a preset optical power, and a transition area is formed between the non-optical area and an optical area of the prototype lens; polishing and grinding the non-optical area and the transition area after the material removal and thinning through a first polishing grinding tool, wherein a first polishing piece and a first die for polishing are arranged on the first polishing grinding tool; polishing and grinding the edges of the non-optical area and the transition area by a second polishing grinding tool; the second polishing grinding tool is provided with a second polishing piece and a second die for polishing; and carrying out finish polishing on the non-optical area and the transition area by a third polishing grinding tool, and carrying out polishing and grinding on the non-optical area and the transition area by a fourth polishing grinding tool.
Description
Technical Field
The application relates to the technical field of glasses production and manufacturing, in particular to a method and a system for thinning glasses lenses.
Background
With the increasing demand of society for spectacles, various structures and styles of lenses are derived from the spectacles, and the requirements on the production process of the lenses are higher and higher.
When the lens of production glasses, can process out the semi-manufactured goods of glasses earlier, according to different lens number of degrees or type etc, semi-manufactured goods are also different, the semi-manufactured goods's of different number of degrees marginal thickness can have the difference, the number of degrees is higher the more thick edge thickness is, however, when the glasses lens of preparation high number of degrees, the aesthetic measure of glasses can be seriously influenced to too thick thickness, and it is obvious that the thickness change that can cause the edge directly cuts to edge, the transition is smooth inadequately, and then influences user's the experience of wearing.
Disclosure of Invention
In order to solve the technical problem and improve the aesthetic degree of the spectacle lenses, the application provides a spectacle lens thinning method and system.
The application provides in a first aspect a method for thinning a spectacle lens, comprising:
removing materials of a non-optical area to be thinned of a rudiment lens to be thinned to a target thickness, wherein the rudiment lens is a semi-finished lens with a preset optical power, the non-optical area is an area at the edge of the rudiment lens, and a transition area is formed between the non-optical area and the optical area of the rudiment lens;
polishing and grinding the non-optical area and the transition area after the material removal and thinning through a first polishing grinding tool, wherein the first polishing grinding tool is provided with a first polishing piece and a first die for polishing;
polishing and grinding the edges of the non-optical area and the transition area by a second polishing grinding tool; the second polishing grinding tool is provided with a second polishing piece and a second die for polishing;
carrying out finish polishing on the non-optical area and the transition area by using a third polishing grinding tool, wherein a third polishing piece and a third grinding tool for carrying out finish polishing are arranged on the third polishing grinding tool;
polishing and grinding the non-optical area and the transition area by a fourth polishing grinding tool, wherein a fourth polishing piece and a fourth mold for polishing are arranged on the fourth polishing grinding tool;
the hardness of the first polishing piece is greater than that of the second polishing piece, the hardness of the second polishing piece is greater than that of the third polishing piece, the hardness of the third polishing piece is greater than that of the fourth polishing piece, and the first die, the second die, the third die and the fourth die are dies with preset bending degrees.
Optionally, the hardness of the first polishing member, the second polishing member, the third polishing member, and the fourth polishing member ranges from 0 degree to 80 degrees.
Optionally, the third polishing member has a thickness in a range of 0.5mm to 80 mm.
Optionally, after the polishing and grinding the non-optical region and the transition region by the fourth polishing and grinding tool, the method further comprises:
and polishing and grinding the edges of the non-optical area and the transition area by a fifth polishing grinding tool, wherein a fifth polishing piece and a fifth mould for polishing are arranged on the fifth polishing grinding tool, the bending range of the fifth mould is 0-50 degrees, the hardness of the fourth polishing piece is greater than that of the fifth polishing piece, and the hardness range of the fifth polishing piece is 5-80 degrees.
Optionally, after the polishing and grinding the edges of the non-optical area and the transition area by the fifth polishing and grinding tool, the method further comprises:
and carrying out finish polishing on the non-optical area and the transition area by a sixth polishing grinding tool, wherein a sixth polishing piece for carrying out finish polishing and an aluminum mould matched with the optical power of the prototype lens are arranged on the sixth polishing mould, and the thickness of the sixth polishing piece ranges from 0.5mm to 80 mm.
Optionally, the diameter ranges of the first mold, the second mold, the fourth mold and the fifth mold are 60mm to 100mm, and the bending ranges of the first mold, the second mold, the fourth mold and the fifth mold are 0 degree to 500 degrees.
Optionally, the third polishing member is fine ground cotton.
Optionally, at least one of the first polishing member, the second polishing member, the third polishing member, and the fourth polishing member is a sponge and/or buff.
Optionally, at least one of the first mold, the second mold, the third mold and the fourth mold is provided with a grinding disc and a joint, the grinding disc is connected with the joint, the grinding disc is used for fixing the polishing member, and a threaded hole for connecting with a polishing device is formed in the joint.
Optionally, the diameter of the joint is smaller than the diameter of the grinding disc.
This application second aspect provides a spectacle lens attenuate system, includes:
the cutting device is used for removing materials of a non-optical area to be thinned of a prototype lens to be thinned to reach a target thickness, the prototype lens is a semi-finished lens with optical power, the non-optical area is a non-optical area at the edge of the prototype lens, and a transition area is formed between the non-optical area and the optical area of the prototype lens;
the first polishing device is used for polishing and grinding the non-optical area and the transition area after the material is removed and thinned through a first polishing grinding tool, and a first polishing piece and a first die for grinding are arranged on the first polishing grinding tool;
the second polishing device is used for polishing and grinding the edge of the non-optical area through a second polishing grinding tool; the second polishing grinding tool is provided with a second polishing piece and a second die for polishing;
the third polishing device is used for carrying out finish polishing on the non-optical area and the transition area through a third polishing grinding tool, and a third polishing piece and a third grinding tool for carrying out finish polishing are arranged on the third polishing grinding tool;
the fourth polishing device is used for polishing and grinding the non-optical area and the transition area through a fourth polishing grinding tool, and a fourth polishing piece and a fourth die for grinding are arranged on the fourth polishing grinding tool;
the hardness of the first polishing piece is greater than that of the second polishing piece, the hardness of the second polishing piece is greater than that of the third polishing piece, the hardness of the third polishing piece is greater than that of the fourth polishing piece, and the first die, the second die, the third die and the fourth die are dies with preset bending degrees.
According to the technical scheme, the method has the following advantages:
in the method for thinning the spectacle lens, firstly, a non-optical area to be thinned of a prototype lens is subjected to material removal and thinning to reach a target thickness; can make the edge of rudiment lens have thinner thickness, and then respectively through the first polishing piece of different hardness, the second polishes the piece, third polishing piece and fourth polishing piece, and have the first mould of presetting the camber, the second mould, third mould and fourth mould polish the non-optical zone of rudiment lens and polish, because the hardness gradual change and the radian of grinding apparatus, can polish the non-optical zone more brightly, polish transition zone more brightly and level and smooth, make to form comparatively smooth transition between optical zone and the non-optical zone, can fully improve the aesthetic measure of lens.
Drawings
In order to more clearly illustrate the technical solutions in the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic flow chart diagram of one embodiment of a method for thinning an ophthalmic lens provided herein;
FIG. 2 is a schematic flow chart diagram illustrating another embodiment of a method for thinning an ophthalmic lens provided herein;
FIG. 3 is a schematic structural view of one embodiment of a mold provided herein;
FIG. 4 is a schematic structural view of one embodiment of a polishing article provided herein;
fig. 5 is a schematic structural view of one embodiment of an ophthalmic lens thinning system provided in the present application.
Detailed Description
When the lens of production glasses, can process out the semi-manufactured goods of glasses earlier, according to different lens number of degrees or type etc, semi-manufactured goods are also different, the semi-manufactured goods's of different number of degrees marginal thickness can have the difference, the number of degrees is higher the more thick edge thickness is, however, when the glasses lens of preparation high number of degrees, the aesthetic measure of glasses can be seriously influenced to too thick thickness, and it is obvious that the thickness change that can cause the edge directly cuts to edge, the transition is smooth inadequately, and then influences user's the experience of wearing.
Based on the above, the application provides a method for thinning a spectacle lens, which is used for improving the aesthetic degree of the spectacle lens.
Referring to fig. 1, fig. 1 is a schematic flow chart of an embodiment of a method for thinning a spectacle lens provided in the present application, the method for thinning a spectacle lens includes:
in the method for thinning an eyeglass lens provided by this embodiment, polishing pieces with gradually decreasing hardness are required to polish and polish the non-optical area and the transition area of the lens, that is, the hardness of the first polishing piece is greater than that of the second polishing piece, the hardness of the second polishing piece is greater than that of the third polishing piece, the hardness of the third polishing piece is greater than that of the fourth polishing piece, and the first mold, the second mold, the third mold, and the fourth mold are molds with a preset curvature, and the molds may be metallic or non-metallic.
101. Removing materials of a non-optical area to be thinned of the prototype lens to be thinned to a target thickness, wherein the prototype lens is a semi-finished lens with a preset optical power, the non-optical area is an area at the edge of the prototype lens, and a transition area is formed between the non-optical area and the optical area of the prototype lens;
in the process of actually producing the spectacle lens, a non-optical area of a prototype lens needs to be cut and thinned to a target thickness, the prototype lens is a semi-finished lens which has optical power but is not cut into a contour shape, the non-optical area of the prototype lens is an area at the edge of the lens, the non-optical area is a central area of the lens, the optical area can affect the optical power of the lens, the non-optical area can not affect the optical power of the lens, and a transition area is formed between the optical area and the non-optical area.
102. Polishing and grinding the non-optical area and the transition area after the material removal and thinning through a first polishing grinding tool, wherein a first polishing piece and a first die for polishing are arranged on the first polishing grinding tool;
after cutting and thinning the prototype lens, carrying out primary polishing and grinding on the non-optical area and the transition area by using a first polishing grinding tool, wherein the first polishing grinding tool is provided with a first polishing piece and a first mould for grinding, the first polishing piece is arranged on the first mould, the first mould has a certain bending degree, the hardness range of the first polishing piece can be 5-80 degrees, the non-optical area and the transition area are polished and ground by a fine grinding process, the diameter range of the first mould can be 60-100 mm, the bending degree can be 0-500 degrees, the hardness range of the first polishing piece can be 5-80 degrees, and the first polishing piece can be sponge and/or polishing leather.
103. Polishing and grinding the edges of the non-optical area and the transition area by a second polishing grinding tool; the second polishing grinding tool is provided with a second polishing piece and a second die for polishing;
the edge of the non-optical area and the edge of the transition area are polished by the second polishing abrasive tool, so that the edge angle of the edge can be polished smoothly, the second polishing piece is arranged on the second die, the second die has a certain curvature, the hardness range of the second polishing piece can be 5 degrees to 80 degrees, the edge junction of the non-optical area and the edge junction of the transition area are polished by a fine grinding process, the diameter range of the second die can be 60mm to 100mm, the curvature can be 0 degree to 500 degrees, the hardness range of the second polishing piece can be 5 degrees to 80 degrees, and the second polishing piece can be sponge and/or polishing leather.
104. Carrying out finish polishing on the non-optical area and the transition area by using a third polishing grinding tool, wherein the third polishing grinding tool is provided with a third polishing piece and a third grinding tool for carrying out finish polishing;
and (3) finishing the optical area and the transition area by using a third polishing grinding tool to ensure that the non-optical area and the transition area are smoother and finer, wherein before polishing, molds with different curvatures can be selected according to the degrees or concave surfaces of different lenses, the molds can be metal third polishing pieces arranged on the third molds, and the third polishing pieces can be fine polished cotton with the thickness of 0.5mm to 80 mm.
105. Polishing and grinding the non-optical area and the transition area by a fourth polishing grinding tool, wherein a fourth polishing piece and a fourth mould for polishing are arranged on the fourth polishing grinding tool;
polishing and grinding the non-optical area and the transition area by using a fourth polishing grinding tool, wherein a fourth polishing piece is arranged on a fourth mould, the fourth mould has a certain curvature, the hardness range of the fourth polishing piece can be 5-80 degrees, the non-optical area and the transition area are polished and permeabilized by a fine grinding process to improve the light transmittance, the diameter range of the fourth mould can be 60-100 mm, the curvature can be 0-500 degrees, the hardness range of the fourth polishing piece can be 5-80 degrees, and the fourth polishing piece can be sponge and/or polished leather.
In the method for thinning the spectacle lens, firstly, a non-optical area to be thinned of a prototype lens is subjected to material removal and thinning to reach a target thickness; can make the edge of rudiment lens have thinner thickness, and then respectively through the first polishing piece of different hardness, the second polishes the piece, third polishing piece and fourth polishing piece, and have the first mould of presetting the camber, the second mould, third mould and fourth mould polish the non-optical zone of rudiment lens and polish, because the hardness gradual change and the radian of grinding apparatus, can polish the non-optical zone more brightly, polish transition zone more brightly and level and smooth, make to form comparatively smooth transition between optical zone and the non-optical zone, can fully improve the aesthetic measure of lens.
In practical applications, in order to enable the light transmittance of the final lens to be better, enable the non-optical area and the transition area to be better in transition fusion with the optical area, and further improve the aesthetic degree of the lens, the non-optical area and the transition area may be further subjected to a permeabilization treatment, which will be described in detail below with reference to the accompanying drawings.
Referring to fig. 2, fig. 2 is a schematic flow chart of an embodiment of a method for thinning a spectacle lens provided in the present application, the method for thinning a spectacle lens including:
201. removing materials of a non-optical area to be thinned of the prototype lens to be thinned to a target thickness, wherein the prototype lens is a semi-finished lens with a preset optical power, the non-optical area is an area at the edge of the prototype lens, and a transition area is formed between the non-optical area and the optical area of the prototype lens;
202. polishing and grinding the non-optical area and the transition area after the material removal and thinning through a first polishing grinding tool, wherein a first polishing piece and a first die for polishing are arranged on the first polishing grinding tool;
203. polishing and grinding the edges of the non-optical area and the transition area by a second polishing grinding tool; the second polishing grinding tool is provided with a second polishing piece and a second die for polishing;
204. carrying out finish polishing on the non-optical area and the transition area by using a third polishing grinding tool, wherein the third polishing grinding tool is provided with a third polishing piece and a third grinding tool for carrying out finish polishing;
205. polishing and grinding the non-optical area and the transition area by a fourth polishing grinding tool, wherein a fourth polishing piece and a fourth mould for polishing are arranged on the fourth polishing grinding tool;
206. Polishing and grinding the edges of the non-optical area and the transition area by a fifth polishing grinding tool;
in this embodiment, a fifth polishing member and a fifth mold for polishing are disposed on the fifth polishing grinding tool, a curvature range of the fifth mold is 0 degree to 50 degrees, a hardness of the fourth polishing member is greater than a hardness of the fifth polishing member, and a hardness range of the fifth polishing member is 5 degrees to 80 degrees.
In this embodiment, the fifth polishing tool is used to polish and polish the edges of the non-optical region and the transition region, so that the edges of the non-optical region and the transition region are smooth, the fifth polishing element is disposed on the fifth mold, the fifth mold has a certain curvature, the hardness of the fifth polishing element may range from 5 degrees to 80 degrees, the edges of the non-optical region and the transition region are further smoothed by a fine grinding process, so as to improve the appearance, the diameter of the fifth mold may range from 60mm to 100mm, the curvature may range from 0 degree to 500 degrees, the hardness of the fifth polishing element may range from 5 degrees to 80 degrees, and the fifth polishing element may be a sponge and/or polished leather.
207. Carrying out fine polishing on the non-optical area and the transition area by a sixth polishing grinding tool;
in this embodiment, a sixth polishing member for performing finish polishing and an aluminum mold matched with the optical power of the prototype lens are disposed on the sixth polishing mold, and the thickness of the sixth polishing member ranges from 0.5mm to 80 mm.
In this embodiment, a sixth polishing tool is used to polish and polish the non-optical region and the transition region, so that the non-optical region and the transition region are relatively smooth, the sixth polishing element is disposed on a sixth mold, the sixth mold has a certain curvature, the hardness range of the sixth polishing element may be 5 degrees to 80 degrees, the non-optical region and the transition region are further permeabilized through a fine grinding process, so as to improve optical performance, the diameter range of the sixth mold may be 60mm to 100mm, the curvature may be 0 degree to 500 degrees, the hardness range of the sixth polishing element may be 5 degrees to 80 degrees, and the sixth polishing element may be a sponge and/or polished leather.
In the method for thinning the eyeglass lens provided by this embodiment, after the fourth polishing grinding tool is used to polish the non-optical area and the transition area, the fifth polishing grinding tool and the sixth polishing grinding tool, which have gradually decreased hardness, are also used to polish the non-optical area and the transition area, so that the non-optical area and the transition area have better light transmittance and smoother transition, and the aesthetic degree of the eyeglass lens is further improved.
The present application provides a method for thinning a spectacle lens, which further relates to a mold, and the mold related to the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an embodiment of a mold provided in the present application, the mold including:
the grinding disc 301 is connected with the joint 302, the grinding disc 301 is used for fixing the polishing piece 301, a threaded hole 303 used for being connected with polishing equipment is formed in the joint 302, and the disc surface of the grinding disc 301 has a preset curvature.
In practical application, the mold can be installed on the polishing device, the polishing device drives the mold to move so as to polish and polish the lens, the joint 302 is provided with the threaded hole 303, the mold is connected with the polishing device through the threaded hole 303 in the joint 302, the grinding disc 301 can be provided with the polishing piece, and the lens is polished and polished.
Optionally, joint 302 has a diameter smaller than the diameter of abrasive disc 301.
The present application provides a method for thinning a spectacle lens, which further relates to a polishing member, and the polishing member related to the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an embodiment of a polishing element provided in the present application, the polishing element including:
a first polishing layer 304, which may be a sponge, a second polishing layer 305, which may be an abrasive paper, etc., and a second polishing layer attached to the first polishing layer, which is attached to the abrasive disc 301 of the mold, and a multi-flap polishing layer, which may be set to 3 flaps or 7 flaps, for example, according to actual needs. Different polishing pieces can use the sponge of different hardness or use the abrasive paper of different specifications, and specific can confirm according to actual need, in the method that this application provided, can bear the second polishing layer through the sponge that has different hardness to the edge that makes the lens is polished smooth transparent, and the transition is smooth, improves the aesthetic measure of lens.
The above embodiments illustrate the method for thinning a spectacle lens provided in the present application, and the following describes a system for thinning a spectacle lens in the present application with reference to the accompanying drawings.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of an eyeglass lens thinning system provided in the present application, the eyeglass lens thinning system comprising:
the cutting device 401 is used for removing materials and thinning a non-optical area to be thinned of the prototype lens to a target thickness, the prototype lens is a semi-finished lens with optical power, the non-optical area is a non-optical area at the edge of the prototype lens, and a transition area is formed between the non-optical area and the optical area of the prototype lens;
a first polishing device 402, configured to polish and polish the non-optical region and the transition region after the material removal and thinning by using a first polishing tool, where the first polishing tool is provided with a first polishing element and a first mold for polishing;
a second polishing device 403, polishing and grinding the edge of the non-optical area by a second polishing grinding tool; the second polishing grinding tool is provided with a second polishing piece and a second die for polishing;
a third polishing device 404, configured to perform finish polishing on the non-optical region and the transition region by using a third polishing abrasive tool, where the third polishing abrasive tool is provided with a third polishing element and a third abrasive tool for performing finish polishing;
a fourth polishing device 405, configured to polish the non-optical region and the transition region by using a fourth polishing tool, where the fourth polishing tool is provided with a fourth polishing element and a fourth mold for polishing;
the hardness of the first polishing piece is greater than that of the second polishing piece, the hardness of the second polishing piece is greater than that of the third polishing piece, the hardness of the third polishing piece is greater than that of the fourth polishing piece, and the first die, the second die, the third die and the fourth die are dies with preset bending degrees.
Optionally, the system further comprises:
and a fifth polishing device 406, configured to polish and polish the edges of the non-optical region and the transition region by using a fifth polishing tool, where the fifth polishing tool is provided with a fifth polishing element and a fifth mold, the fifth mold is used for polishing, a curvature range of the fifth mold is 0 to 50 degrees, a hardness of the fourth polishing element is greater than a hardness of the fifth polishing element, and a hardness range of the fifth polishing element is 5 to 80 degrees.
Optionally, the system further comprises:
and a sixth polishing device 407, configured to perform finish polishing on the non-optical area and the transition area by using a sixth polishing grinding tool, where a sixth polishing piece for performing finish polishing and an aluminum mold matched with the optical power of the prototype lens are disposed on the sixth polishing mold, and a thickness of the sixth polishing piece ranges from 0.5mm to 80 mm.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Claims (11)
1. A method of thinning an ophthalmic lens, the method comprising:
removing materials of a non-optical area to be thinned of a rudiment lens to be thinned to a target thickness, wherein the rudiment lens is a semi-finished lens with a preset optical power, the non-optical area is an area at the edge of the rudiment lens, and a transition area is formed between the non-optical area and the optical area of the rudiment lens;
polishing and grinding the non-optical area and the transition area after the material removal and thinning through a first polishing grinding tool, wherein the first polishing grinding tool is provided with a first polishing piece and a first die for polishing;
polishing and grinding the edges of the non-optical area and the transition area by a second polishing grinding tool; the second polishing grinding tool is provided with a second polishing piece and a second die for polishing;
carrying out finish polishing on the non-optical area and the transition area by using a third polishing grinding tool, wherein a third polishing piece and a third grinding tool for carrying out finish polishing are arranged on the third polishing grinding tool;
polishing and grinding the non-optical area and the transition area by a fourth polishing grinding tool, wherein a fourth polishing piece and a fourth mold for polishing are arranged on the fourth polishing grinding tool;
the hardness of the first polishing piece is greater than that of the second polishing piece, the hardness of the second polishing piece is greater than that of the third polishing piece, the hardness of the third polishing piece is greater than that of the fourth polishing piece, and the first die, the second die, the third die and the fourth die are dies with preset bending degrees.
2. The method of thinning an eyeglass lens as recited in claim 1, wherein the first, second, third, and fourth polishing members have a hardness ranging from 5 degrees to 80 degrees.
3. The method of thinning an eyeglass lens as in claim 1, wherein the third polishing member has a thickness in a range of 0.5mm to 80 mm.
4. The method of thinning an eyeglass lens as in claim 1, wherein after the polishing of the non-optical zone and the transition zone by the fourth polishing grinder, the method further comprises:
and polishing and grinding the edges of the non-optical area and the transition area by a fifth polishing grinding tool, wherein a fifth polishing piece and a fifth mould for polishing are arranged on the fifth polishing grinding tool, the bending range of the fifth mould is 0-50 degrees, the hardness of the fourth polishing piece is greater than that of the fifth polishing piece, and the hardness range of the fifth polishing piece is 5-80 degrees.
5. The method of thinning an eyeglass lens as in claim 4, wherein after the polishing of the edges of the non-optical zone and the transition zone by a fifth polishing grinder, the method further comprises:
and carrying out finish polishing on the non-optical area and the transition area by a sixth polishing grinding tool, wherein a sixth polishing piece for carrying out finish polishing and an aluminum mould matched with the optical power of the prototype lens are arranged on the sixth polishing mould, and the thickness of the sixth polishing piece ranges from 0.5mm to 80 mm.
6. The method of thinning an eyeglass lens according to claim 1, wherein the first mold, the second mold, the fourth mold, and the fifth mold have a diameter ranging from 60mm to 100mm, and the first mold, the second mold, the fourth mold, and the fifth mold have a curvature ranging from 0 degree to 500 degrees.
7. The eyeglass lens thinning method according to any one of claims 1 to 6, wherein the third polishing member is fine-ground cotton.
8. The method of thinning an eyeglass lens according to any one of claims 1 to 6, wherein at least one of the first, second, third and fourth polishing members is a sponge and/or buff.
9. The method for thinning the spectacle lens according to any one of claims 1 to 6, wherein at least one of the first mold, the second mold, the third mold and the fourth mold is provided with a grinding disc and a joint, the grinding disc is connected with the joint, the grinding disc is used for fixing a polishing piece, a threaded hole for connecting with a polishing device is formed in the joint, and the disc surface of the grinding disc has a preset curvature.
10. A method of thinning an eyeglass lens as in claim 9, wherein the diameter of the joint is smaller than the diameter of the grinding disc.
11. An ophthalmic lens thinning system, comprising:
the cutting device is used for removing materials of a non-optical area to be thinned of a prototype lens to be thinned to reach a target thickness, the prototype lens is a semi-finished lens with optical power, the non-optical area is a non-optical area at the edge of the prototype lens, and a transition area is formed between the non-optical area and the optical area of the prototype lens;
the first polishing device is used for polishing and grinding the non-optical area and the transition area after the material is removed and thinned through a first polishing grinding tool, and a first polishing piece and a first die for grinding are arranged on the first polishing grinding tool;
the second polishing device is used for polishing and grinding the edge of the non-optical area through a second polishing grinding tool; the second polishing grinding tool is provided with a second polishing piece and a second die for polishing;
the third polishing device is used for carrying out finish polishing on the non-optical area and the transition area through a third polishing grinding tool, and a third polishing piece and a third grinding tool for carrying out finish polishing are arranged on the third polishing grinding tool;
the fourth polishing device is used for polishing and grinding the non-optical area and the transition area through a fourth polishing grinding tool, and a fourth polishing piece and a fourth die for grinding are arranged on the fourth polishing grinding tool;
the hardness of the first polishing piece is greater than that of the second polishing piece, the hardness of the second polishing piece is greater than that of the third polishing piece, the hardness of the third polishing piece is greater than that of the fourth polishing piece, and the first die, the second die, the third die and the fourth die are dies with preset bending degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110029885.8A CN112792666A (en) | 2021-01-11 | 2021-01-11 | Method and system for thinning glasses lens |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110029885.8A CN112792666A (en) | 2021-01-11 | 2021-01-11 | Method and system for thinning glasses lens |
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| CN112792666A true CN112792666A (en) | 2021-05-14 |
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| CN202110029885.8A Withdrawn CN112792666A (en) | 2021-01-11 | 2021-01-11 | Method and system for thinning glasses lens |
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| CN208681229U (en) * | 2018-07-25 | 2019-04-02 | 福州金珂光学科技有限公司 | Eyeglass burnishing device |
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- 2021-01-11 CN CN202110029885.8A patent/CN112792666A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4640587A (en) * | 1984-06-19 | 1987-02-03 | N.V. Optimed | Method for manufacturing a spectacle lens for myopes |
| CN86104799A (en) * | 1985-07-26 | 1987-01-21 | 奥普蒂米德公司 | Make the method for spectacle-glass for myopes |
| CN1364107A (en) * | 2000-02-23 | 2002-08-14 | 信越半导体株式会社 | Method and apparatus for polishing peripheral chamfer part of wafer |
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