Double-station lens grinding machine

By designing a dual-station lens grinder, using automated material collection, positioning, grinding and cleaning processes, the problem of difficult to achieve high-precision lens grinding in the prior art is solved, and efficient and precise automatic grinding effect is achieved.

CN119501738APending Publication Date: 2025-02-25SHANGHAI XINGZHIDA INTELLIGENT EQUIP TECH CO LTD
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Patent Information

Application Number
CN202411960340.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-02-25

AI Technical Summary

Technical Problem

In the field of lens recycling for high-end lenses, existing lens polishing requires manual operation, which leads to difficulty in accuracy control and cannot effectively replace manual operation.

Method used

A double-station lens grinder is designed, including a material pickup device, a spindle device, a grinding device and a cleaning device. The lens is loaded, positioned, polished and cleaned through an automated way to achieve high-precision automatic grinding.

Benefits of technology

High-precision lens polishing is realized, replacing manual operation, solving the problem of difficulty in accuracy control in the existing technology, and improving the automation level of the lens recycling process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a double-station lens grinding machine. A material taking device is arranged above a frame; in the stroke of the material taking device, a feeding and discharging tray device is fixed above the frame; a main shaft device is fixed at the moving end of the material taking device; in the stroke of the material taking device, a polishing device is fixed on the frame; a cleaning device is fixed below the frame; the material taking device clamps the lens after secondary positioning from the feeding and discharging disc device; the main shaft device controls the position, the lens is polished on the polishing device, and meanwhile, the cleaning device cleans the lens in the polishing process; high-precision grinding is achieved, manual work is replaced, and the problems that in the existing high-end lens recycling field, lenses of recycled lenses are different in size and need to be reassembled and applied after being reground, existing lens grinding can only depend on manual work, the requirement for precision control is very high, and the lens recycling efficiency is high are solved. And manual operation cannot be carried out.
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Description

Technical Field

[0001] The embodiments of the present invention relate to a grinding machine, and in particular to a double-station lens grinding machine. Background Art

[0002] In the existing field of high-end lens recycling, the recycled lenses are of different sizes and need to be re-polished before being reassembled. The existing lens grinding can only rely on manual work, which has very high requirements for precision control and cannot be performed manually. Summary of the invention

[0003] The purpose of the embodiments of the present invention is to provide a double-station lens grinding machine with high precision control for replacing manual labor.

[0004] In order to achieve the above-mentioned purpose, the embodiment of the present invention designs a double-station lens grinding machine, comprising:

[0005] frame;

[0006] A material taking device is arranged above the frame;

[0007] An upper and lower material tray device is fixed above the frame within the travel of the material taking device;

[0008] A spindle device, the spindle device is fixed at the moving end of the material taking device;

[0009] A grinding device, which is fixed on the frame within the travel of the material taking device;

[0010] A cleaning device is fixed below the frame;

[0011] The material taking device clamps the lens after secondary positioning from the upper and lower material tray device; the spindle device controls the position and grinds the lens on the grinding device, and at the same time, the cleaning device cleans the lens during the grinding process.

[0012] Furthermore, in the double-station lens grinder described in the present invention, the upper and lower material tray device, the spindle device, and the grinding device are symmetrically arranged along the axis on the frame to form the double-station lens grinder.

[0013] Furthermore, in the double-station lens grinding machine described in the present invention, the frame is configured as a square structure.

[0014] Furthermore, in the double-station lens grinding machine of the present invention, the loading and unloading tray device further comprises:

[0015] a water tank, the water tank being fixed on the frame;

[0016] A loading tray is placed on one side of the water tank;

[0017] A material discharge tray, which is placed on the other side of the water tank;

[0018] A positioning block is fixed on the corners of the upper material tray and the lower material tray;

[0019] A secondary positioning device, fixed between the upper material tray and the lower material tray;

[0020] A drain outlet is provided below the water tank;

[0021] An overflow port is opened above the water tank.

[0022] Furthermore, in the double-station lens grinding machine of the present invention, the secondary positioning device further comprises:

[0023] A bottom plate, fixed at the bottom of the sink;

[0024] A positioning cylinder, a cylinder body of which is fixed on the bottom plate;

[0025] A positioning base plate is fixed above the positioning cylinder;

[0026] A positioning chuck is fixed on the piston rod of the positioning cylinder on both sides of the positioning base plate.

[0027] Furthermore, in the double-station lens grinding machine of the present invention, the material taking device further comprises:

[0028] A bracket, fixing the bracket on the frame;

[0029] A material taking Y-axis driving device is arranged on one of the brackets; a first slide rail is fixed on the other bracket;

[0030] A material picking X-axis driving device; the material picking X-axis driving device is fixed on the moving end of the first slide rail and the material picking Y-axis driving device;

[0031] A material retrieving Z-axis driving device is fixed on the moving end of the material retrieving X-axis driving device;

[0032] A material picking rotating shaft device is fixedly connected to the moving end of the material picking Z-axis driving device;

[0033] A suction cup device is fixed on the material taking rotating shaft device.

[0034] Furthermore, in the dual-station lens grinding machine of the present invention, the spindle device comprises:

[0035] A main shaft fixing bracket, which is fixed between the grinding devices;

[0036] A spindle fixing plate, fixed on the top of the spindle fixing bracket;

[0037] A grinding Y-axis device, wherein the grinding Y-axis device is fixed on the spindle fixing plate;

[0038] A grinding Z-axis device, wherein the grinding Z-axis device is fixed on the moving end of the grinding Y-axis device;

[0039] A grinding head fine-tuning device is fixed on the grinding Z-axis device; a grinding head is fixed below the grinding head fine-tuning device; the grinding head fine-tuning device fine-tunes the position of the grinding head.

[0040] Furthermore, in the double-station lens grinding machine described in the present invention, the grinding device comprises:

[0041] A grinding base, the grinding base is fixed on both sides of the spindle device;

[0042] A spindle head, the spindle head is fixed on the grinding base;

[0043] A servo motor is connected to the rear side of the spindle head; the servo motor drives the spindle head to rotate;

[0044] The profiling suction cup is arranged on the spindle head; the profiling suction cup sucks the lens during the grinding process; the servo motor drives the spindle head to rotate at high speed, driving the lens sucked by the profiling suction cup to rotate at high speed.

[0045] Furthermore, in the double-station lens grinding machine of the present invention, the cleaning device comprises:

[0046] A pure water tank is fixed in the frame and connected to compressed air; the pure water in the pure water tank is used to clean the lens during the polishing process; the pure water tank is connected to the splash-proof box;

[0047] A polishing liquid water tank is fixed inside the frame on one side of the pure water tank;

[0048] A solvent adding port is provided above the polishing liquid water tank;

[0049] A stirring shaft, movably connected to the stirring shaft in the polishing liquid water tank;

[0050] A stirring motor is movably connected to one end of the stirring shaft; the stirring motor drives the stirring shaft to rotate;

[0051] A liquid level sensor is arranged above the pure water tank and the polishing liquid tank.

[0052] Furthermore, in the double-station lens grinder described in the present invention, an anti-splash box is arranged on the frame on one side of the grinding device; an anti-splash door is arranged on the anti-splash box; a waste liquid collection tank is fixed below the anti-splash box; the waste liquid collection tank is connected to the grinding liquid tank; and an atomizing nozzle is fixed in the anti-splash box.

[0053] Compared with the prior art, the implementation method of the present invention is as follows: a material picking device is arranged above the frame; an upper and lower material tray device is fixed above the frame within the stroke of the material picking device; a spindle device is fixed at the moving end of the material picking device; a grinding device is fixed on the frame within the stroke of the material picking device; a cleaning device is fixed below the frame; the material picking device clamps the lens after secondary positioning from the upper and lower material tray device; the spindle device controls the position to grind the lens on the grinding device, and at the same time, the cleaning device cleans the lens during the grinding process; high-precision grinding is achieved, and manual labor is replaced, which solves the technical problem that in the existing field of lens recycling of high-end lenses, the lenses of the recycled lenses are of different sizes and need to be re-grinded and re-assembled for use. The existing lens grinding can only rely on manual grinding, which has very high requirements for precision control and cannot be operated manually. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0055] Figure 2 It is a schematic diagram of the three-dimensional structure of the upper part of the present invention;

[0056] Figure 3 It is a schematic diagram of the three-dimensional structure of the material taking device of the present invention;

[0057] Figure 4 It is a three-dimensional structural schematic diagram of the spindle device of the present invention;

[0058] Figure 5 It is a schematic diagram of the three-dimensional structure of the grinding device of the present invention;

[0059] Figure 6 It is a schematic diagram of the three-dimensional structure of the cleaning device of the present invention;

[0060] Figure 7It is a schematic diagram of the three-dimensional structure of the secondary positioning device of the present invention;

[0061] Figure 8 It is a schematic diagram of the three-dimensional structure of the splash-proof box of the present invention;

[0062] Fig. 9 It is a schematic diagram of the internal structure of the splash-proof box of the present invention. DETAILED DESCRIPTION

[0063] In order to make the purpose, technical scheme and advantages of the present invention clearer, the following will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that in the various embodiments of the present invention, many technical details are provided in order to enable the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed for protection in the claims of the present application can be implemented.

[0064] The embodiment of the present invention relates to a double-station lens grinding machine, such as Figures 1 to 8 As shown, including:

[0065] The frame 1 in this embodiment is the mounting frame in the double-station lens grinding machine of this embodiment;

[0066] A material taking device 100 is arranged above the frame 1; the material taking device 100 mainly serves to load and unload lenses;

[0067] Within the travel of the material taking device 100 , an upper and lower material tray device 200 is fixed above the frame 1 ; the upper and lower material tray device 200 is mainly used to perform secondary positioning on the lenses loaded in the upper and lower material tray device 200 .

[0068] A spindle device 300 is fixed at the moving end of the material taking device 100; the spindle device 300 is mainly used to accurately grind the lens;

[0069] Within the travel of the material taking device 100, a grinding device 400 is fixed on the frame 1; the grinding device 400 mainly absorbs the lens and rotates the lens;

[0070] A cleaning device 500 is fixed below the frame 1; while the lens is being polished, the cleaning device 500 cleans the lens.

[0071] The material taking device 100 clamps the lens after secondary positioning from the upper and lower material tray device 200; the spindle device 300 controls the position and grinds the lens on the grinding device 400, and at the same time, the cleaning device 500 cleans the lens during the grinding process. The above device realizes high-precision grinding and replaces manual labor, solving the problem that in the existing field of lens recycling of high-end lenses, the lenses of the recycled lenses are of different sizes and need to be re-grinded before re-assembly and application. The existing lens grinding can only rely on manual grinding, which has very high requirements for precision control and cannot be operated manually.

[0072] In order to achieve the above technical effects, the double-station lens grinding machine in this example, such as Figures 1 to 8 As shown, an upper and lower material tray device 200, a spindle device 300, and a grinding device 400 are symmetrically arranged along the axis on the frame 1 to form a double-station lens grinding machine.

[0073] In order to achieve the above technical effects, the double-station lens grinding machine in this example, such as Figure 1 to Figure 2 As shown, the frame 1 is arranged in a square structure.

[0074] In order to achieve the above technical effects, the double-station lens grinding machine in this example, such as Figure 1 to Figure 2 As shown, the loading and unloading tray device 200 further includes:

[0075] A water tank 201 is fixed on the frame 1; the water tank 201 is mainly used to hold the residual water dripping from the lens;

[0076] A loading tray 202 is placed on one side of the water tank 201;

[0077] A material tray 203 is placed on the other side of the water tank 201;

[0078] Positioning block 204 is fixed on the corners of the upper material tray 202 and the lower material tray 203; the upper material tray 202 is used for loading lenses; the lower material tray 203 is used for unloading lenses.

[0079] A secondary positioning device 600 is fixed between the upper material tray 202 and the lower material tray 203; the secondary positioning device 600 is used for secondary positioning of the lens after it is taken out from the upper material tray 202; then, the material taking device 100 takes out the precisely positioned lens from the secondary positioning device 600.

[0080] A drain port 205 is provided below the water tank 201 ; the drain port 205 is used to drain the remaining water in the material discharge tray 203 .

[0081] An overflow port 206 is provided above the water tank 201. The overflow port 206 is used to discharge excess water above a certain height.

[0082] In order to achieve the above technical effects, the double-station lens grinding machine in this example, such as Figure 7 As shown, the secondary positioning device 600 further includes:

[0083] A bottom plate 601 is fixed at the bottom of the water tank 101; the bottom plate 601 is used to fix the positioning cylinder 602.

[0084] The cylinder body of the positioning cylinder 602 is fixed on the bottom plate 601;

[0085] A positioning base plate 603 is fixed above the positioning cylinder 602 ; the positioning base plate 603 is used to fix the positioning chuck 604 .

[0086] On both sides of the positioning base plate 603 , positioning chucks 604 are fixed on the piston rods of the positioning cylinders 602 .

[0087] In order to achieve the above technical effects, the double-station lens grinding machine in this example, such as Figures 1 to 8 As shown, the material taking device 100 further includes:

[0088] A bracket 101 is fixed on the frame 1; the bracket 101 is used to fix the material taking Y-axis driving device 102 and the first slide rail 103;

[0089] A material taking Y-axis driving device 102 is arranged on one of the brackets 101; a first slide rail 103 is fixed on the other bracket 101;

[0090] A material taking X-axis driving device 104 is fixed on the moving end of the first slide rail 103 and the material taking Y-axis driving device 102;

[0091] A Z-axis drive device 105 is fixed on the moving end of the X-axis drive device 104; the X-axis drive device 104, the Y-axis drive device 102, and the Z-axis drive device 105 form a material retrieving device 100, which moves along the X, Y, and Z axis directions;

[0092] A material taking rotating shaft device 106 is fixedly connected to the moving end of the material taking Z-axis driving device 105;

[0093] A suction cup device 107 is fixed to the material taking rotating shaft device 106. The material taking rotating shaft device 106 and the suction cup device 107 are used to absorb the lens.

[0094] In order to achieve the above technical effects, the double-station lens grinding machine in this example, such as Figures 1 to 8 As shown, the spindle device 300 comprises:

[0095] A spindle fixing bracket 301 is fixed between the grinding devices 400;

[0096] A spindle fixing plate 302 is fixed above the spindle fixing bracket 301; the spindle fixing plate 302 is fixed on the spindle fixing bracket 301, and the spindle fixing plate 302 is used to fix the grinding Y-axis device 303.

[0097] Fix the grinding Y-axis device 303 on the spindle fixing plate 302;

[0098] A grinding Z-axis device 304 is fixed on the moving end of the grinding Y-axis device 304; the grinding Y-axis device 303 and the grinding Z-axis device 304 constitute a spindle device 300, which moves along the Y-axis and Z-axis directions;

[0099] A grinding head fine-tuning device 305 is fixed on the grinding Z-axis device 304; a grinding head 306 is fixed below the grinding head fine-tuning device 305; the grinding head fine-tuning device 305 fine-adjusts the position of the grinding head 306. The grinding head fine-tuning device 305 fine-adjusts the position of the grinding head 306, including movement adjustment in the X-axis direction.

[0100] In order to achieve the above technical effects, the double-station lens grinding machine in this example, such as Figures 1 to 8 As shown, the grinding device 400 comprises:

[0101] A grinding base 401 is fixed on both sides of the spindle device 300; the grinding base 401 is used to fix the spindle head 402.

[0102] A spindle head 402 is fixed on the grinding base 401;

[0103] A servo motor 403 is connected to the rear side of the spindle head 402 ; the servo motor 403 drives the spindle head 402 to rotate; and the servo motor 4033 drives the spindle head 402 to rotate to grind the lens.

[0104] The profiling suction cup 404 is arranged on the spindle head 402; the profiling suction cup 404 sucks the lens during the grinding process; the servo motor 403 drives the spindle head 402 to rotate at high speed, driving the profiling suction cup 404 to rotate at high speed.

[0105] In order to achieve the above technical effects, the double-station lens grinding machine in this example, such as Figures 1 to 8 As shown, the cleaning device 500 comprises:

[0106] A pure water tank 501 is fixed in the frame 1, and compressed air is connected to the pure water tank 501; the pure water in the pure water tank 501 is used to clean the lenses during the polishing process; the pure water tank is connected to the anti-splash box 2; the pure water tank 501 is used to store pure water for cleaning the polished lenses.

[0107] On one side of the pure water tank 501, a polishing liquid tank 502 is fixed inside the frame 1; the polishing liquid tank 502 is mainly used to recycle the pure water after polishing and reuse it after filtering.

[0108] A solvent adding port 503 is provided above the polishing liquid water tank 501 ; the solvent adding port 503 is used for adding additives.

[0109] A stirring shaft 504 is movably connected in the polishing liquid water tank 503; a stirring motor 505 drives the stirring shaft 504 to stir the polishing liquid, thereby accelerating the reaction of the additive with the polished lens powder.

[0110] A stirring motor 505 is movably connected to one end of the stirring shaft 504; the stirring motor 505 drives the stirring shaft 504 to rotate;

[0111] A liquid level sensor 506 is provided above the pure water tank 502 and the polishing liquid tank 502. The liquid level sensor 506 is used to measure the liquid levels of the pure water tank 502 and the polishing liquid tank 502, and after being electrically connected to the double-station lens polishing machine, it can alarm for low and high liquid levels.

[0112] In order to achieve the above technical effects, the double-station lens grinding machine in this example, such as Figure 8 , Fig. 9 As shown, an anti-splash box 2 is provided on the frame and on one side of the polishing device 400; an anti-splash door 21 is provided on the anti-splash box 2; a waste liquid collection tank 22 is fixed below the anti-splash box 2; the waste liquid collection tank 22 is connected to the polishing liquid tank 502; and an atomizing nozzle 23 is fixed in the anti-splash box 2. The atomizing nozzle 23 is used to clean the lens after atomization, the anti-splash box 2 is used to prevent water from splashing out, and the waste liquid collection tank 22 is used to recycle the waste liquid after cleaning.

[0113] Those skilled in the art will appreciate that the above-mentioned embodiments are specific examples for implementing the present invention, and in actual applications, various changes may be made thereto in form and detail without departing from the spirit and scope of the present invention.

Claims

1. A double-station lens grinding machine, characterized in that: include: frame; A material taking device is arranged above the frame; An upper and lower material tray device is fixed above the frame within the travel of the material taking device; A spindle device, the spindle device is fixed at the moving end of the material taking device; A grinding device, which is fixed on the frame within the travel of the material taking device; A cleaning device is fixed below the frame; The material taking device clamps the lens after secondary positioning on the upper and lower material tray device; The spindle device controls the position to grind the lens on the grinding device, and at the same time, the cleaning device cleans the lens during the grinding process.

2. The double-station lens grinding machine according to claim 1, characterized in that: The upper and lower material tray devices, the main shaft device, and the grinding device are symmetrically arranged on the frame along the axis to form the double-station lens grinding machine.

3. The double-station lens grinding machine according to claim 1, characterized in that: The frame is arranged in a square structure.

4. The double-station lens grinding machine according to claim 1, characterized in that: The loading and unloading tray device further comprises: a water tank, the water tank being fixed on the frame; A loading tray is placed on one side of the water tank; A material discharge tray, which is placed on the other side of the water tank; A positioning block is fixed on the corners of the upper material tray and the lower material tray; A secondary positioning device, fixed between the upper material tray and the lower material tray; A drain outlet is provided below the water tank; An overflow port is opened above the water tank.

5. The double-station lens grinding machine according to claim 4, characterized in that: The secondary positioning device further comprises: A bottom plate, fixed at the bottom of the sink; A positioning cylinder, a cylinder body of which is fixed on the bottom plate; A positioning base plate, the positioning base plate is fixed above the positioning cylinder; A positioning chuck is fixed on the piston rod of the positioning cylinder on both sides of the positioning base plate.

6. The double-station lens grinding machine according to claim 1, characterized in that: The material taking device further comprises: A bracket, fixing the bracket on the frame; A material taking Y-axis driving device is arranged on one of the brackets; a first slide rail is fixed on the other bracket; A material picking X-axis driving device; the material picking X-axis driving device is fixed on the moving end of the first slide rail and the material picking Y-axis driving device; A material retrieving Z-axis driving device, which is fixed on the moving end of the material retrieving X-axis driving device; A material picking rotating shaft device is fixedly connected to the moving end of the material picking Z-axis driving device; A suction cup device is fixed on the material taking rotating shaft device.

7. The double-station lens grinding machine according to claim 1, characterized in that: The spindle device comprises: A main shaft fixing bracket, which is fixed between the grinding devices; A spindle fixing plate, fixed on the top of the spindle fixing bracket; A grinding Y-axis device, wherein the grinding Y-axis device is fixed on the spindle fixing plate; A grinding Z-axis device, wherein the grinding Z-axis device is fixed on the moving end of the grinding Y-axis device; A grinding head fine-tuning device is fixed on the grinding Z-axis device; a grinding head is fixed below the grinding head fine-tuning device; the grinding head fine-tuning device performs position fine-tuning on the position of the grinding head.

8. The double-station lens grinding machine according to claim 1, characterized in that: The grinding device comprises: A grinding base, the grinding base is fixed on both sides of the spindle device; A spindle head, the spindle head is fixed on the grinding base; A servo motor is connected to the rear side of the spindle head; the servo motor drives the spindle head to rotate; The profiling suction cup is arranged on the spindle head; the profiling suction cup sucks the lens during the grinding process; the servo motor drives the spindle head to rotate at high speed, driving the lens sucked by the profiling suction cup to rotate at high speed.

9. The double-station lens grinding machine according to claim 1, characterized in that: The cleaning device comprises: A pure water tank is fixed in the frame and connected to compressed air; the pure water in the pure water tank is used to clean the lens during the polishing process; the pure water tank is connected to the splash-proof box; A polishing liquid water tank is fixed inside the frame on one side of the pure water tank; A solvent adding port is provided above the polishing liquid water tank; A stirring shaft, movably connected to the stirring shaft in the polishing liquid water tank; A stirring motor is movably connected to one end of the stirring shaft; the stirring motor drives the stirring shaft to rotate; A liquid level sensor is arranged above the pure water tank and the polishing liquid tank.

10. The double-station lens grinding machine according to claim 1, characterized in that: On the frame, an anti-splash box is arranged on one side of the grinding device; an anti-splash door is arranged on the anti-splash box; a waste liquid collection tank is fixed below the anti-splash box; the waste liquid collection tank is connected to the grinding liquid water tank; and an atomizing nozzle is fixed in the anti-splash box.