CN112959171A - High-precision optical lens processing technology - Google Patents
High-precision optical lens processing technology Download PDFInfo
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- CN112959171A CN112959171A CN202110135946.9A CN202110135946A CN112959171A CN 112959171 A CN112959171 A CN 112959171A CN 202110135946 A CN202110135946 A CN 202110135946A CN 112959171 A CN112959171 A CN 112959171A
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- optical lens
- fixedly connected
- clamping
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- motor
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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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
- B24B13/005—Blocking means, chucks or the like; Alignment devices
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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
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
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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
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
- B24B9/146—Accessories, e.g. lens mounting devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention belongs to the field of lens processing, and particularly relates to a high-precision optical lens processing technology which comprises a box body, a vacuum generator assembly, a clamping and positioning module, a first motor, a screw rod sliding block mechanism and a controller, wherein the clamping and positioning module is arranged at the upper part of the box body and comprises a clamping and positioning block, a soft rubber fixing seat, a third motor, a rotating shaft, a clamping shaft, a sliding shaft, a second sliding groove, a first electric telescopic rod and a second electric telescopic rod; the vacuum generator assembly is fixedly connected to the front end face of the middle part of the clamping positioning block and is communicated with the cavity through a vent pipe; the vacuum generator assembly is arranged to absorb air in the soft rubber fixing seat to enable the soft rubber fixing seat to be vacuum, so that the effect of fixing the optical lens is achieved, the steps of manual operation are reduced, the optical lens is more convenient and faster to process, and the optical lens is prevented from falling from the soft rubber sucker to damage the optical lens.
Description
Technical Field
The invention belongs to the field of lens processing, and particularly relates to a high-precision optical lens processing technology.
Background
The optical lens is prepared by mixing high-purity oxides of silicon, boron, sodium, potassium, zinc, lead, magnesium, calcium, barium, etc. according to a specific formula, melting at high temperature in a platinum crucible, stirring uniformly by ultrasonic waves, and removing bubbles; then slowly cooling for a long time to prevent the glass block from generating internal stress, measuring the cooled glass block by an optical instrument to check whether the purity, the transparency, the uniformity, the refractive index and the dispersion rate meet the specification, and heating and forging the qualified glass block to form an optical lens blank; the lens may shift during the polishing process, thereby affecting the polishing accuracy of the lens, and the chips and the cooling liquid generated during the polishing process may splash.
The prior art also discloses some technical schemes of high-precision optical lens processing technology, such as a Chinese patent with application number CN201921203409.8, which relates to the technical field of machining and comprises a base, wherein a cavity is arranged in the base, a third motor is fixedly connected with the outer side wall of one side of the base, a threaded rod is fixedly connected with the output end of the third motor, the other end of the threaded rod penetrates through the side wall of the base and is rotatably inserted in the inner wall of the cavity, the thread directions of two ends of the threaded rod are opposite, two symmetrically arranged thread blocks are sleeved on the threaded rod through threads, a movable strip is fixedly connected with the side wall of each thread block, two symmetrically arranged sliding openings are arranged on the inner top wall of the cavity, the upper end of each movable strip penetrates through the sliding openings, and a clamping block is fixedly connected with the side wall of the two movable strips on the opposite side, the lateral wall fixedly connected with on the base is two risers that the front and back symmetry set up. In the utility model, the polishing wheel is convenient for polishing the lens for a whole circle, thereby improving the working efficiency, avoiding the lens being held by hand and avoiding accidents; however, in the technical scheme, the fact that the lens is likely to shift in the process of polishing the lens is not considered, so that the polishing precision of the lens is affected, and meanwhile, chips and cooling liquid generated by the lens during polishing can splash.
In view of the above, in order to overcome the above technical problems, the present invention provides a high precision optical lens processing technology, which solves the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the vacuum generator assembly is arranged to absorb air in the soft rubber fixing seat to enable the air to become vacuum, so that the effect of fixing the optical lens is achieved, the steps of manual operation are reduced, the optical lens is processed more conveniently and rapidly, and the optical lens is prevented from falling off from the soft rubber sucker to damage the optical lens.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a high-precision optical lens processing technology, which comprises the following steps:
s1: firstly, putting an optical lens blank into an automatic milling and grinding machine for milling and grinding to remove uneven bubbles and impurities on the surface of the optical lens, then putting the milled and ground optical lens into a finish grinding vehicle, and removing a damaged layer of the milled and ground optical lens;
s2: polishing the optical lens in a polishing machine, then cleaning the polished optical lens in an ultrasonic cleaning machine, and cleaning the polishing powder on the surface for five to ten minutes;
s3: placing the optical lens on the soft rubber fixing seat, controlling the vacuum generator assembly to work by the controller, absorbing air in the soft rubber fixing seat to enable the optical lens to become vacuum, fixing the optical lens on the soft rubber fixing seat, then extending the piston rod of the electric telescopic rod on the right side out to clamp the optical lens, and then starting an edge grinding operation by an edge grinding machine to grind the original optical lens to a specified outer diameter;
s4: loading the optical lens ground into a specified outer diameter on a clamp, then putting the clamp into a vacuum environment for evaporation coating, and inspecting the quality of a finished product;
the edge grinding machine used in the S3 comprises a box body, a vacuum generator assembly, a clamping and positioning module, a first motor, a lead screw sliding block mechanism and a controller; the upper part of the box body is provided with a clamping and positioning module, the clamping and positioning module comprises a clamping and positioning block, a soft rubber fixing seat, a third motor, a rotating shaft, a clamping shaft, a sliding shaft, a second sliding chute, a first electric telescopic rod and a second electric telescopic rod, the left side of the inner wall of the box body is provided with the second sliding chute, the sliding shaft penetrates through the left end face and the right end face of the clamping and positioning block to be fixedly connected with the clamping and positioning block, and the sliding shaft is in sliding connection with the second sliding; the motor shaft of the motor is fixedly connected with the shaft of the motor and extends to the middle part of the clamping positioning block, the right end face of the rotating shaft is provided with a flexible glue fixing seat, a cavity is arranged in the flexible glue fixing seat, the vacuum generator assembly is fixedly connected with the front end face of the middle part of the clamping positioning block, the vacuum generator assembly is communicated with the cavity through a vent pipe, the electric telescopic rod I is fixedly connected with the inside of the right part of the clamping positioning block, the clamping shaft is fixedly connected with the piston rod of the electric telescopic rod I and extends to the middle part of the clamping positioning block, the electric telescopic rod II is fixedly connected with the upper end face of the inside of the box body, the piston rod of the electric telescopic rod II is fixedly connected with the upper end face of the clamping positioning block, and the front end face;
the screw rod sliding block mechanism comprises a screw rod, a second motor and a sliding block seat, wherein the second motor is fixedly connected with the middle part of the left end surface inside the box body, the left end of the screw rod is fixedly connected with a motor shaft of the second motor, the right end of the screw rod is rotatably connected with the middle part of the right end surface inside the box body, the sliding block seat is in threaded connection with the middle part of the screw rod, the first motor is fixedly connected with the rear end surface inside the box body, the motor shaft of the first motor is fixedly connected with a driving shaft, the other end of the driving shaft is provided with a rolling bearing, the rolling bearing is fixedly connected with the right side of the inner wall of the box body, the other end of the driving shaft is fixedly connected with a driving bevel gear, the driving bevel gear is connected with a driven bevel gear through gear tooth meshing, the driven bevel gear, the driven shaft is rotationally connected with the slider seat and is fixedly connected with the grinding wheel.
When an optical lens is fixed on a working shaft, the lens may deviate in the process of polishing the lens in the prior art, so that the polishing precision of the lens is influenced, and meanwhile, chips and cooling liquid generated by polishing the lens can splash;
therefore, the controller in the edge grinding machine is started, the optical lens is placed on the soft rubber fixing seat, the controller controls the vacuum generator assembly to work, the vacuum generator assembly absorbs air in the soft rubber fixing seat to enable the air to be vacuum, the optical lens is fixed on the soft rubber fixing seat due to the internal and external pressure difference, and then the piston rod of the first electric telescopic rod on the right side extends out to clamp the optical lens; then the controller controls a first motor to rotate, the first motor drives a driving bevel gear to rotate through a driving shaft, the driving bevel gear drives a driven bevel gear to rotate through gear tooth meshing, and therefore a driven shaft is driven to rotate, and the grinding wheel starts to rotate; the controller controls the second motor to rotate to drive the screw rod to rotate so that the sliding block seat moves left and right, and the edge grinding position of the grinding wheel is adjusted left and right; the controller controls the third motor to work so that the rotating shaft rotates and then drives the optical lens to rotate, the optical lens can be subjected to omnibearing edge grinding, the piston rod of the second electric telescopic rod pushes the clamping positioning block to move up and down, the sliding shaft slides up and down along the second sliding groove, the optical lens moves up and down, the distance between the optical lens and the grinding wheel can be controlled, and the machining size can be controlled; utilize the vacuum generator subassembly to absorb the air in the flexible glue fixing base and make it become the vacuum to reach and give the fixed effect of optical lens piece, reduced manual operation's step, make optical lens piece processing convenient and fast more, and avoided optical lens piece to drop from the flexible glue sucking disc and damaged optical lens piece.
Preferably, a limiting plate is arranged on the left side of the middle part of the clamping and positioning block, a first sliding groove is formed in the left end face of the middle part of the clamping and positioning block, a limiting spring is arranged in the first sliding groove, the upper end of the limiting spring is fixedly connected with the upper end of the first sliding groove, and the lower end of the limiting spring is fixedly connected with the upper end face of the limiting plate; during the use, pivoted emery wheel and optical lens piece contact can make optical lens piece produce ascending displacement, and the limiting plate can block optical lens piece and produce the displacement this moment, and when optical lens piece rotated to narrower limit and limiting plate contact, spacing spring extension promoted the limiting plate and moves down and support tight optical lens piece for the limiting plate realizes all-round spacing, has avoided optical lens piece to take place the displacement when the edging, has improved optical lens piece's machining precision.
Preferably, the lower end in the box body is provided with elastic cloth, the periphery of the elastic cloth is fixedly connected with the inner wall of the box body, the elastic cloth is in a shape with a concave middle, and a round hole is formed in the middle of the elastic cloth; when the cooling liquid is used, the cooling liquid is sprayed out from the cooling liquid pipe to wash away lens scraps generated by edging, and the cooling liquid and the lens scraps flow onto the elastic cloth and then flow out from the concave round holes; splashing of the cooling fluid can be reduced and the cooling fluid and lens debris can be centrally stored and disposed of.
Preferably, the upper end face of the middle part of the clamping positioning block is fixedly connected with an electromagnet, an I-shaped limiting block is arranged below the electromagnet, a square magnet is embedded on the upper end face of the limiting block, the polarities of the magnetic poles of the square magnet opposite to the electromagnet are the same, a circular through hole is formed in the middle of the limiting plate, and the limiting block penetrates through the through hole and is in sliding connection with the limiting plate; during the use, the electro-magnet circular telegram produces magnetic force, and pivoted emery wheel and optical lens piece contact rotate to narrower limit and limiting plate when contact when optical lens piece, and the stopper of I shape is supported tight optical lens piece by electromagnet's repulsion downstream for optical lens piece realizes more accurate spacing, has avoided optical lens piece to take place the displacement when the edging, has further improved optical lens piece's machining precision.
Preferably, an impact ball is arranged below the elastic cloth and fixedly connected with the elastic cloth; during the use, because the coolant liquid erodees elastic cloth downwards for hang striking ball striking from top to bottom in elastic cloth below, make elastic cloth fluctuate from top to bottom along with the erodeing of coolant liquid, improved elastic cloth's frequency of vibration, accelerated the speed that coolant liquid and lens piece flowed simultaneously, be convenient for concentrate the storage and handle.
Preferably, round magnets are arranged on the left side and the right side above the elastic cloth, the opposite magnetic poles of the round magnets and the electromagnets are opposite in polarity, and the round magnets are fixedly connected with the elastic cloth; during the use, along with reciprocating of electro-magnet, because circular magnet attracts with the electromagnetism ferromagnetic pole is opposite sex mutually for circular magnet reciprocates, makes elasticity cloth fluctuate from top to bottom simultaneously, has further improved the vibration frequency of elasticity cloth, and has further accelerated the speed that coolant liquid and lens piece flowed out, is convenient for concentrate the storage and handles.
The invention has the following beneficial effects:
1. according to the processing device used in the invention, the vacuum generator assembly is arranged to absorb air in the soft rubber fixing seat to enable the air to become vacuum, so that the effect of fixing the optical lens is achieved, the cooling liquid is sprayed out to flush away lens fragments, the cooling liquid and the lens fragments flow onto the elastic cloth, the elastic flow from the concave round holes reduces the steps of manual operation, the optical lens is processed more conveniently and rapidly, and the optical lens is prevented from falling from the soft rubber sucker to damage the optical lens.
2. According to the processing device used in the invention, the elastic cloth is arranged, the periphery of the elastic cloth is fixedly connected with the inner wall of the box body and is in a shape of a concave middle part, and the circular hole cloth is arranged in the middle part, so that splashing of cooling liquid can be reduced, and the cooling liquid and lens scraps can be stored and treated in a centralized manner.
3. According to the processing device used in the invention, the electromagnet is arranged, the rotating grinding wheel is in contact with the optical lens, when the optical lens rotates to a narrower side and is in contact with the limiting plate, the I-shaped limiting block moves downwards by the repulsive force of the electromagnet and tightly abuts against the optical lens, so that the optical lens is more accurately limited, the optical lens is prevented from being displaced during edge grinding, and the processing precision of the optical lens is further improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view from above of the present invention;
FIG. 2 is an internal structural view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a front view of the present invention;
FIG. 6 is a cross-sectional view taken at B-B of FIG. 5;
FIG. 7 is a cross-sectional view taken at C-C of FIG. 5;
FIG. 8 is an enlarged view of a portion of FIG. 4 at D;
FIG. 9 is an enlarged view of a portion E of FIG. 2;
in the figure: the vacuum generator comprises a box body 1, a vacuum generator component 2, a clamping and positioning module 3, a clamping and positioning block 31, a soft rubber fixing seat 32, a third motor 33, a rotating shaft 34, a clamping shaft 35, a sliding shaft 36, a second sliding groove 37, a first electric telescopic rod 38, a second electric telescopic rod 39, a first motor 4, a circular magnet 5, a screw slider mechanism 6, a screw 61, a second motor 62, a slider seat 63, a cavity 7, a cooling liquid pipe 8, a driving shaft 9, a driving bevel gear 10, a driven bevel gear 11, a driven shaft 12, a grinding wheel 13, a limiting plate 14, a first sliding groove 15, a limiting spring 16, elastic cloth 17, a round hole 18, an electromagnet 19, a limiting block 20, an impact ball 21 and a rolling bearing 22.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 9, a high-precision optical lens processing process includes the following steps:
s1: firstly, putting an optical lens blank into an automatic milling and grinding machine for milling and grinding to remove uneven bubbles and impurities on the surface of the optical lens, then putting the milled and ground optical lens into a finish grinding vehicle, and removing a damaged layer of the milled and ground optical lens;
s2: polishing the optical lens in a polishing machine, then cleaning the polished optical lens in an ultrasonic cleaning machine, and cleaning the polishing powder on the surface for five to ten minutes;
s3: placing the optical lens on the soft rubber fixing seat 32, controlling the vacuum generator assembly 2 to work by the controller, absorbing air in the soft rubber fixing seat 32 to enable the optical lens to become vacuum, fixing the optical lens on the soft rubber fixing seat 32, extending the piston rod of the first electric telescopic rod 38 on the right side out to clamp the optical lens, and then starting an edge grinding operation by an edge grinding machine to grind the original optical lens to a specified outer diameter;
s4: loading the optical lens ground into a specified outer diameter on a clamp, then putting the clamp into a vacuum environment for evaporation coating, and inspecting the quality of a finished product;
the edge grinding machine used in the S3 comprises a box body 1, a vacuum generator assembly 2, a clamping and positioning module 3, a first motor 4, a screw rod sliding block mechanism 6 and a controller; the clamping and positioning module 3 is arranged at the upper part of the box body 1, the clamping and positioning module 3 comprises a clamping and positioning block 31, a soft rubber fixing seat 32, a third motor 33, a rotating shaft 34, a clamping shaft 35, a sliding shaft 36, a second sliding chute 37, a first electric telescopic rod 38 and a second electric telescopic rod 39, the second sliding chute 37 is arranged at the left side of the inner wall of the box body 1, the sliding shaft 36 penetrates through the left end face and the right end face of the clamping and positioning block 31 to be fixedly connected with the clamping and positioning block, and the sliding shaft 36 is in sliding connection with the second sliding chute; the third motor 33 is fixedly connected inside the left side of the clamping and positioning block 31, the rotating shaft 34 is fixedly connected with a motor shaft of the third motor 33 and extends out to the middle part of the clamping and positioning block 31, a soft rubber fixing seat 32 is arranged on the right end face of the rotating shaft 34, a cavity 7 is arranged inside the soft rubber fixing seat 32, the vacuum generator component 2 is fixedly connected with the front end face of the middle part of the clamping positioning block 31, the vacuum generator component 2 is communicated with the cavity 7 through a vent pipe, the first electric telescopic rod 38 is fixedly connected inside the right side of the clamping and positioning block 31, the clamping shaft 35 is fixedly connected with a piston rod of the first electric telescopic rod 38 and extends to the middle part of the clamping and positioning block 31, the second electric telescopic rod 39 is fixedly connected on the upper end surface inside the box body 1, a piston rod of the second electric telescopic rod 39 is fixedly connected with the upper end face of the clamping positioning block 31, and the front end face of the middle part of the clamping positioning block 31 is provided with a cooling liquid pipe 8;
the screw rod sliding block mechanism 6 comprises a screw rod 61, a second motor 62 and a sliding block seat 63, wherein the second motor 62 is fixedly connected with the middle part of the left end surface inside the box body 1, the left end of the screw rod 61 is fixedly connected with a motor shaft of the second motor 62, the right end of the screw rod 61 is rotatably connected with the middle part of the right end surface inside the box body 1, the sliding block seat 63 is in threaded connection with the middle part of the screw rod 61, the first motor 4 is fixedly connected with the rear end surface inside the box body 1, the motor shaft of the first motor 4 is fixedly connected with a driving shaft 9, the other end of the driving shaft 9 is provided with a rolling bearing 22, the rolling bearing 22 is fixedly connected with the right side of the inner wall of the box body 1, the other end of the driving shaft 9 is fixedly connected with a driving bevel gear 10, the driving bevel gear 10 is connected with a driven bevel, the inside of the slider seat 63 is provided with a grinding wheel 13, the driven shaft 12 penetrates through the middle parts of the slider seat 63 and the grinding wheel 13, the driven shaft 12 is rotatably connected with the slider seat 63, and the driven shaft 12 is fixedly connected with the grinding wheel 13.
When an optical lens is fixed on a working shaft, the lens may deviate in the process of polishing the lens in the prior art, so that the polishing precision of the lens is influenced, and meanwhile, chips and cooling liquid generated by polishing the lens can splash;
therefore, according to the invention, the controller in the edge grinding machine is started, then the optical lens is placed on the soft rubber fixing seat 32, then the controller controls the vacuum generator component 2 to work, the vacuum generator component 2 absorbs air in the soft rubber fixing seat 32 to enable the air to become vacuum, the optical lens is fixed on the soft rubber fixing seat 32 due to the internal and external pressure difference, and then the piston rod of the first electric telescopic rod 38 on the right side extends out to clamp the optical lens; then the controller controls a first motor 4 to rotate, the first motor 4 drives a driving bevel gear 10 to rotate through a driving shaft 9, the driving bevel gear 10 drives a driven bevel gear 11 to rotate through gear tooth meshing, and therefore a driven shaft 12 is driven to rotate, and a grinding wheel 13 starts to rotate; the controller controls the second motor 62 to rotate to drive the screw rod 61 to rotate so that the sliding block base 63 moves left and right, and the edge grinding position of the grinding wheel 13 is adjusted left and right; the controller controls the third motor 33 to work so that the rotating shaft 34 rotates to drive the optical lens to rotate, the optical lens can be subjected to omnibearing edge grinding, the piston rod of the second electric telescopic rod 39 pushes the clamping positioning block 31 to move up and down, the sliding shaft 36 slides up and down along the second sliding groove 37, the optical lens moves up and down, the distance between the optical lens and the grinding wheel 13 can be controlled, and the machining size can be controlled; utilize vacuum generator subassembly 2 to absorb the air in the flexible glue fixing base 32 and make it become the vacuum to reach and give the fixed effect of optical lens, reduced manual operation's step, make optical lens processing convenient and fast more, and avoided optical lens to drop from the flexible glue sucking disc and damaged optical lens.
As an embodiment of the invention, a limiting plate 14 is arranged on the left side of the middle part of the clamping and positioning block 31, a first sliding groove 15 is arranged on the left end face of the middle part of the clamping and positioning block 31, a limiting spring 16 is arranged inside the first sliding groove 15, the upper end of the limiting spring 16 is fixedly connected with the upper end of the first sliding groove 15, and the lower end of the limiting spring 16 is fixedly connected with the upper end face of the limiting plate 14; during the use, pivoted emery wheel 13 and optical lens contact can make optical lens piece produce ascending displacement, and limiting plate 14 can block optical lens piece and produce the displacement this moment, and when optical lens piece rotated to narrower limit and limiting plate 14 contact, spacing spring 16 extension promoted limiting plate 14 and moves down and support tight optical lens piece for limiting plate 14 realizes all-round spacing, has avoided optical lens piece to take place the displacement when the edging, has improved optical lens piece's machining precision.
As an embodiment of the invention, the lower end inside the box body 1 is provided with an elastic cloth 17, the periphery of the elastic cloth 17 is fixedly connected with the inner wall of the box body 1, the elastic cloth 17 is in a shape with a concave middle, and a round hole 18 is arranged in the middle of the elastic cloth 17; when the device is used, cooling liquid is sprayed out from the cooling liquid pipe 8 to flush away lens scraps generated by edging, and the cooling liquid and the lens scraps flow onto the elastic cloth 17 and then flow out from the concave round hole 18; splashing of the cooling fluid can be reduced and the cooling fluid and lens debris can be centrally stored and disposed of.
As an implementation mode of the invention, the upper end surface of the middle part of the clamping and positioning block 31 is fixedly connected with an electromagnet 19, an i-shaped limiting block 20 is arranged below the electromagnet 19, a square magnet is embedded on the upper end surface of the limiting block 20, the polarities of the magnetic poles of the square magnet opposite to the electromagnet 19 are the same, a circular through hole is arranged in the middle of the limiting plate 14, and the limiting block 20 penetrates through the through hole to be slidably connected with the limiting plate 14; when the grinding device is used, the electromagnet 19 is electrified to generate magnetic force, the rotating grinding wheel 13 is in contact with the optical lens, when the optical lens rotates to a narrow edge and is in contact with the limiting plate 14, the I-shaped limiting block 20 moves downwards due to the repulsive force of the electromagnet 19 to tightly abut against the optical lens, so that the optical lens is more accurately limited, the optical lens is prevented from being displaced during edge grinding, and the processing precision of the optical lens is further improved.
As an embodiment of the invention, an impact ball 21 is arranged below the elastic cloth 17, and the impact ball 21 is fixedly connected with the elastic cloth 17; during the use, because the coolant liquid erodees elasticity cloth 17 downwards for hang striking ball 21 striking from top to bottom in elasticity cloth 17 below, make elasticity cloth 17 undulant from top to bottom along with the erodeing of coolant liquid, improved elasticity cloth 17's frequency of vibration, accelerated the speed that coolant liquid and lens piece flowed out simultaneously, be convenient for concentrate the storage and handle.
As an embodiment of the invention, round magnets 5 are arranged on the left side and the right side above the elastic cloth 17, the opposite magnetic poles of the round magnets 5 and the electromagnet 19 are opposite in polarity, and the round magnets 5 are fixedly connected with the elastic cloth 17; during the use, along with electro-magnet 19 reciprocate, because circular magnet 5 attracts for opposite polarity with electro-magnet 19 magnetic pole for circular magnet 5 reciprocates, makes elasticity cloth 17 undulant from top to bottom simultaneously, has further improved the vibration frequency of elasticity cloth 17, and has further accelerated the speed that coolant liquid and lens piece flow out, is convenient for concentrate storage and handles.
When the vacuum flexible rubber edge grinding machine is used, a worker starts a controller in the edge grinding machine, then an optical lens is placed on the flexible rubber fixing seat 32, then the controller controls the vacuum generator assembly 2 to work, the vacuum generator assembly 2 absorbs air in the flexible rubber fixing seat 32 to enable the air to become vacuum, the optical lens is fixed on the flexible rubber fixing seat 32 due to the internal and external pressure difference, and then the piston rod of the electric telescopic rod 38 on the right side extends out to clamp the optical lens; then the controller controls a first motor 4 to rotate, the first motor 4 drives a driving bevel gear 10 to rotate through a driving shaft 9, the driving bevel gear 10 drives a driven bevel gear 11 to rotate through gear tooth meshing, and therefore a driven shaft 12 is driven to rotate, and a grinding wheel 13 starts to rotate; the controller controls the second motor 62 to rotate to drive the screw rod 61 to rotate so that the sliding block base 63 moves left and right, and the edge grinding position of the grinding wheel 13 is adjusted left and right; the controller controls the third motor 33 to work so that the rotating shaft 34 rotates to drive the optical lens to rotate, the optical lens can be subjected to omnibearing edge grinding, the piston rod of the second electric telescopic rod 39 pushes the clamping positioning block 31 to move up and down, the sliding shaft 36 slides up and down along the second sliding groove 37, the optical lens moves up and down, the distance between the optical lens and the grinding wheel 13 can be controlled, and the machining size can be controlled; the vacuum generator component 2 is utilized to absorb the air in the soft rubber fixing seat 32 to enable the air to become vacuum, so that the effect of fixing the optical lens is achieved, the steps of manual operation are reduced, the optical lens is more convenient and faster to process, and the optical lens is prevented from falling from the soft rubber sucker to damage the optical lens; when the grinding wheel 13 rotates to a narrow side to be contacted with the limiting plate 14, the limiting spring 16 extends to push the limiting plate 14 to move downwards to tightly abut against the optical lens, so that the limiting plate 14 realizes omnibearing limiting, the optical lens is prevented from being displaced during edging, and the processing precision of the optical lens is improved; when the device is used, cooling liquid is sprayed out from the cooling liquid pipe 8 to flush away lens scraps generated by edging, and the cooling liquid and the lens scraps flow onto the elastic cloth 17 and then flow out from the concave round hole 18; the splashing of the cooling liquid can be reduced, and the cooling liquid and the lens scraps can be stored and treated in a centralized manner; when the grinding device is used, the electromagnet 19 is electrified to generate magnetic force, the rotating grinding wheel 13 is in contact with the optical lens, and when the optical lens rotates to a narrower edge and is in contact with the limiting plate 14, the I-shaped limiting block 20 moves downwards by the repulsive force of the electromagnet 19 to tightly abut against the optical lens, so that the optical lens is more accurately limited, the optical lens is prevented from being displaced during edge grinding, and the processing precision of the optical lens is further improved; when the cooling liquid washing device is used, the cooling liquid washes the elastic cloth 17 downwards, so that the collision balls 21 hung below the elastic cloth 17 collide up and down, the elastic cloth 17 fluctuates up and down along with the washing of the cooling liquid, the vibration frequency of the elastic cloth 17 is improved, the outflow speed of the cooling liquid and lens fragments is increased, and the cooling liquid and the lens fragments are convenient to store and treat in a centralized manner; during the use, along with electro-magnet 19 reciprocate, because circular magnet 5 attracts for opposite polarity with electro-magnet 19 magnetic pole for circular magnet 5 reciprocates, makes elasticity cloth 17 undulant from top to bottom simultaneously, has further improved the vibration frequency of elasticity cloth 17, and has further accelerated the speed that coolant liquid and lens piece flow out, is convenient for concentrate storage and handles.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A high-precision optical lens processing technology is characterized in that: the method comprises the following steps:
s1: firstly, putting an optical lens blank into an automatic milling and grinding machine for milling and grinding to remove uneven bubbles and impurities on the surface of the optical lens, then putting the milled and ground optical lens into a finish grinding vehicle, and removing a damaged layer of the milled and ground optical lens;
s2: polishing the optical lens in a polishing machine, then cleaning the polished optical lens in an ultrasonic cleaning machine, and cleaning the polishing powder on the surface for five to ten minutes;
s3: the optical lens is placed on the soft rubber fixing seat (32), the controller controls the vacuum generator assembly (2) to work, air in the soft rubber fixing seat (32) is absorbed to enable the optical lens to become vacuum, the optical lens is fixed on the soft rubber fixing seat (32), then the piston rod of the electric telescopic rod (38) on the right side extends out to clamp the optical lens, then the edge grinding machine starts edge grinding operation, and the original optical lens is ground to the specified outer diameter through the outer diameter;
s4: loading the optical lens ground into a specified outer diameter on a clamp, then putting the clamp into a vacuum environment for evaporation coating, and inspecting the quality of a finished product;
the edge grinding machine used in S3 comprises a box body (1), a vacuum generator assembly (2), a clamping and positioning module (3), a first motor (4), a screw rod sliding block mechanism (6) and a controller; the clamping and positioning module (3) is arranged at the upper part of the box body (1), the clamping and positioning module (3) comprises a clamping and positioning block (31), a soft rubber fixing seat (32), a third motor (33), a rotating shaft (34), a clamping shaft (35), a sliding shaft (36), a second sliding groove (37), a first electric telescopic rod (38) and a second electric telescopic rod (39), the second sliding groove (37) is formed in the left side of the inner wall of the box body (1), the sliding shaft (36) penetrates through the left end face and the right end face of the clamping and positioning block (31) to be fixedly connected with the clamping and positioning block, and the sliding shaft (36) is in sliding connection with the second sliding groove (37; the third motor (33) is fixedly connected inside the left side of the clamping positioning block (31), the rotating shaft (34) is fixedly connected with a motor shaft of the third motor (33) and extends to the middle part of the clamping positioning block (31), a soft rubber fixing seat (32) is arranged on the right end face of the rotating shaft (34), a cavity (7) is arranged inside the soft rubber fixing seat (32), the vacuum generator component (2) is fixedly connected with the front end face of the middle part of the clamping positioning block (31), the vacuum generator component (2) is communicated with the cavity (7) through a vent pipe, the first electric telescopic rod (38) is fixedly connected inside the right side of the clamping positioning block (31), the clamping shaft (35) is fixedly connected with a piston rod of the first electric telescopic rod (38) and extends to the middle part of the clamping positioning block (31), the second electric telescopic rod (39) is fixedly connected with the upper end face of the inner part of the box body (1), and the piston rod of the second electric telescopic rod (39) is fixedly connected with the, a cooling liquid pipe (8) is arranged on the front end face of the middle part of the clamping positioning block (31);
the screw rod sliding block mechanism (6) comprises a screw rod (61), a second motor (62) and a sliding block seat (63), the second motor (62) is fixedly connected with the middle part of the left end face inside the box body (1), the left end of the screw rod (61) is fixedly connected with a motor shaft of the second motor (62), the right end of the screw rod (61) is rotatably connected with the middle part of the right end face inside the box body (1), the sliding block seat (63) is in threaded connection with the middle part of the screw rod (61), the first motor (4) is fixedly connected with the rear end face inside the box body (1), the motor shaft of the first motor (4) is fixedly connected with a driving shaft (9), a rolling bearing (22) is arranged at the other end of the driving shaft (9), the rolling bearing (22) is fixedly connected with the right side of the inner wall of the box body (1), the other end of the driving shaft (9) is fixedly connected with a driving bevel, the driven bevel gear (11) is fixedly connected with a driven shaft (12), the left end and the right end of the driven shaft (12) are rotatably connected with the left end and the right end inside the box body (1), a grinding wheel (13) is arranged inside the slider seat (63), the driven shaft (12) penetrates through the middle parts of the slider seat (63) and the grinding wheel (13), the driven shaft (12) is rotatably connected with the slider seat (63), and the driven shaft (12) is fixedly connected with the grinding wheel (13).
2. A high precision optical lens processing technology according to claim 1, characterized in that: press from both sides tight locating piece (31) middle part left side and be equipped with limiting plate (14), press from both sides tight locating piece (31) middle part left end face and be provided with spout (15) No. one, spout (15) inside is equipped with limiting spring (16), limiting spring (16) upper end links firmly with spout (15) upper end No. one, and limiting spring (16) lower extreme links firmly with limiting plate (14) up end.
3. A high precision optical lens processing technology according to claim 2, characterized in that: the lower end in the box body (1) is provided with elastic cloth (17), the periphery of the elastic cloth (17) is fixedly connected with the inner wall of the box body (1), the elastic cloth (17) is in a shape with a concave middle, and a round hole (18) is formed in the middle of the elastic cloth (17).
4. A high precision optical lens processing technology according to claim 3, characterized in that: press from both sides tight locating piece (31) middle part up end and link firmly electro-magnet (19), electro-magnet (19) below is equipped with stopper (20) of I shape, stopper (20) up end has inlayed square magnet, and square magnet is the same with electro-magnet (19) relative magnetic pole polarity, be provided with circular through-hole in the middle of limiting plate (14), stopper (20) pass through-hole and limiting plate (14) sliding connection.
5. A high precision optical lens processing technology according to claim 4, characterized in that: and an impact ball (21) is arranged below the elastic cloth (17), and the impact ball (21) is fixedly connected with the elastic cloth (17).
6. A high precision optical lens processing technology according to claim 5, characterized in that: circular magnets (5) are arranged on the left side and the right side above the elastic cloth (17), the polarities of the magnetic poles of the circular magnets (5) opposite to the polarities of the magnetic poles of the electromagnets (19) are opposite, and the circular magnets (5) are fixedly connected with the elastic cloth (17).
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| CN113500494A (en) * | 2021-06-28 | 2021-10-15 | 陆永祥 | High-precision optical lens manufacturing device and manufacturing method thereof |
| CN115629462A (en) * | 2022-12-07 | 2023-01-20 | 山西汉威激光科技股份有限公司 | Semi-automatic lens mounting and adjusting structure and method thereof |
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| CN112959171B (en) | 2022-08-19 |
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