Plane grinding device for optical lens

Abstract

The utility model discloses a plane grinding device for an optical lens, which comprises a first conveying mechanism, a material transferring mechanism, a feeding mechanism and a grinding mechanism, and the first conveying mechanism is used for conveying a pre-ground lens; the material rotating mechanism comprises a rotating wheel and a first rotating driving part, a plurality of containing grooves are formed in the rotating wheel, and the first rotating driving part is fixedly connected with one end of the rotating wheel and used for driving the rotating wheel to rotate so as to adjust the orientation of a groove opening of each containing groove; the feeding mechanism is arranged at the tail end of the first conveying mechanism and used for receiving the single lens on the first conveying mechanism and feeding the single lens into the containing groove. The grinding device has the advantages that when the grinding device is used for grinding the plane of the optical lens, automatic feeding and discharging can be achieved, the grinding device is suitable for grinding the plane of the optical lens in batches, and time consumed for feeding and discharging can be shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of optical lens grinding, in particular to a plane grinding device for optical lenses. Background Art

[0002] An optical lens refers to a transparent lens with curved and flat surfaces made of optical materials such as glass or resin. After the initial production of the optical lens, it is usually necessary to use a grinding device to grind its flat surface to keep its surface smooth.

[0003] When grinding the flat surface of an optical lens, an existing optical lens grinding device (such as an optical lens grinding device disclosed in application number 202022691186.3) requires people to manually place the lens in a grinding box. After grinding, people need to manually take the lens out of the grinding box. When batch grinding the flat surface of the optical lens, it takes a lot of time to load and unload the material. Utility Model Content

[0004] The purpose of the utility model is to overcome the above-mentioned technical deficiencies and to provide a plane grinding device for optical lenses, so as to solve the technical problem that the optical lens grinding device in the prior art consumes a lot of time in loading and unloading when batch grinding the plane of optical lenses.

[0005] In order to achieve the above technical objectives, the technical solution of the utility model provides a surface grinding device for optical lenses, comprising:

[0006] A first conveying mechanism for conveying pre-ground lenses;

[0007] The material transfer mechanism comprises a rotating wheel and a first rotating driving member, wherein the rotating wheel is provided with a plurality of placement slots, and an output end of the first rotating driving member is fixedly connected to the rotating wheel for driving the rotating wheel to rotate so as to adjust the orientation of the notches of each placement slot;

[0008] A feeding mechanism, disposed at the end of the first conveying mechanism, for receiving a single lens on the first conveying mechanism and feeding the single lens into the placement groove;

[0009] The grinding mechanism is used for grinding the plane of the lens in the placement groove.

[0010] Furthermore, the material transfer mechanism also includes a shell, the shell has a cavity, and the shell is provided with a loading port, a processing port and a unloading port connected to the cavity. The rotating wheel is rotatably arranged in the cavity. During the rotation of the rotating wheel, each of the placement slots is sequentially connected to the loading port, the processing port and the unloading port. When one of the placement slots is connected to the loading port, the other placement slot is connected to the processing port.

[0011] Furthermore, the cavity is a columnar structure, and the side wall of the rotating wheel is in sliding contact with the cavity wall of the cavity.

[0012] Furthermore, the loading port is opened at the bottom of the shell, and the loading mechanism is arranged directly below the shell and corresponds to the loading port, which includes a loading hopper, a loading pile and a first telescopic driving member. The loading hopper has a loading cavity with an opening on the upper surface and is connected with the loading port via the opening. The side wall of the loading hopper is provided with a feeding port connected with the loading cavity. The loading pile is slidably arranged in the loading cavity, and the lenses are placed on the loading pile. The output end of the first telescopic driving member is fixedly connected to the loading pile for driving the loading pile to move up and down.

[0013] Furthermore, the width of the feed opening is equal to the diameter of a single lens.

[0014] Furthermore, the height of the loading pile is greater than the distance between the loading port and the feeding port.

[0015] Furthermore, the upper surface of the loading pile is an arc-shaped structure, and its curvature is the same as the curvature of the cavity.

[0016] Furthermore, the surface grinding device for optical lenses also includes a frame, and the shell is fixed on the frame.

[0017] Furthermore, the processing port is opened at the top of the shell, and the grinding mechanism is arranged directly above the material transfer mechanism and corresponds to the processing port. It includes a grinding disc, a second rotating driving member and a second telescopic driving member. The output end of the second rotating driving member is coaxially fixed to the grinding disc for driving the grinding disc to rotate, and the output end of the second telescopic driving member is fixed to the second rotating driving member for driving the second rotating driving member to move up and down so that the grinding disc enters or moves out of the placement groove along the processing port.

[0018] Furthermore, the surface grinding device for optical lenses also includes a second conveying mechanism, which is arranged below the shell and has an inlet end connected to the feed port.

[0019] Compared with the prior art, the beneficial effects of the utility model include: when in use, the first conveying mechanism can convey the lens to the loading mechanism, and the loading mechanism can accept a single lens. By manipulating the first rotating driving member, the first rotating driving member can drive the rotating wheel to rotate, so that the orientation of the notches of each placement slot can be adjusted, so that the notches of each placement slot are aligned with the loading mechanism or the grinding mechanism in turn. When the notch of one of the placement slots is aligned with the loading mechanism, the loading mechanism delivers the single lens into the placement slot. As the rotating wheel continues to rotate, when the notch of the placement slot is aligned with the grinding mechanism, the plane of the lens in the placement slot can be ground by the grinding mechanism. When the notch of the placement slot faces downward, the lens in the placement slot falls under the action of its own gravity to achieve unloading. When the grinding device is used to grind the plane of the optical lens, self-loading and unloading can be achieved. It is suitable for batch grinding of the plane of the optical lens and can reduce the time consumed in loading and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a plane grinding device for optical lenses provided by the utility model;

[0021] Figure 2 yes Figure 1 A cross-sectional view of a surface grinding device for an optical lens;

[0022] Figure 3 yes Figure 2 A schematic diagram of the three-dimensional structure of a surface grinding device for an optical lens after omitting the first conveying mechanism and the second conveying mechanism;

[0023] Figure 4 yes Figure 3 A schematic diagram of the three-dimensional structure of a plane grinding device for optical lenses when the upper surface of the feeding pile is flush with the lower surface of the feeding port;

[0024] In the figure: 100 - first conveying mechanism, 200 - material transfer mechanism, 210 - rotating wheel, 211 - placement groove, 220 - first rotating driving member, 230 - shell, 231 - cavity, 232 - loading port, 233 - processing port, 234 - unloading port, 300 - loading mechanism, 310 - loading hopper, 311 - loading cavity, 312 - feeding port, 320 - loading pile, 330 - first telescopic driving member, 400 - grinding mechanism, 410 - grinding disc, 420 - second rotating driving member, 430 - second telescopic driving member, 440 - mounting frame, 500 - frame, 600 - second conveying mechanism. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] The utility model provides a plane grinding device for optical lenses, the structure of which is as follows: Figure 1 - Figure 3 As shown, it includes a first conveying mechanism 100, a material transfer mechanism 200, a loading mechanism 300 and a grinding mechanism 400. The first conveying mechanism 100 is used to convey pre-ground lenses; the material transfer mechanism 200 includes a rotating wheel 210 and a first rotating driving member 220. The rotating wheel 210 is provided with a plurality of placement slots 211. The first rotating driving member 220 is fixedly connected to one end of the rotating wheel 210 and is used to drive the rotating wheel 210 to rotate so as to adjust the orientation of the slots of each placement slot 211; the loading mechanism 300 is arranged at the end of the first conveying mechanism 100, and is used to receive a single lens on the first conveying mechanism 100, and feed the single lens into the placement slot 211; the grinding mechanism 400 is used to grind the plane of the lens in the placement slot 211.

[0027] When in use, the first conveying mechanism 100 can convey the lens to the feeding mechanism 300, and the feeding mechanism 300 can receive a single lens. By manipulating the first rotating driving member 220, the first rotating driving member 220 can drive the rotating wheel 210 to rotate, so that the orientation of the notches of each placement groove 211 can be adjusted, so that the notches of each placement groove 211 are aligned with the feeding mechanism 300 or the grinding mechanism 400 in sequence. When the notch of one of the placement grooves 211 is aligned with the feeding mechanism 300, the feeding mechanism 300 A single lens is fed into the placement groove 211. As the rotating wheel 210 continues to rotate, when the notch of the placement groove 211 is aligned with the grinding mechanism 400, the plane of the lens in the placement groove 211 can be ground by the grinding mechanism 400. When the notch of the placement groove 211 faces downward, the lens in the placement groove 211 falls under the action of its own gravity to achieve unloading. When the grinding device is used to grind the plane of the optical lens, self-loading and unloading can be achieved. It is suitable for batch grinding of the plane of the optical lens and can reduce the time consumption in loading and unloading.

[0028] As a preferred embodiment, please refer to Figure 2 and Figure 3The transfer mechanism 200 also includes a shell 230, and the shell 230 has a cavity 231. The shell 230 is provided with a loading port 232, a processing port 233 and a unloading port 234 connected to the cavity 231. The rotating wheel 210 is rotatably arranged in the cavity 231. During the rotation of the rotating wheel 210, each of the placement grooves 211 is sequentially connected with the loading port 232, the processing port 233 and the unloading port 234. When one of the placement grooves 211 is connected with the loading port 232, the other placement groove 211 is connected with the processing port 233. The lens in the placement groove 211 can be limited by the shell 230 to prevent the lens in the placement groove 211 from falling during the rotation of the rotating wheel 210, thereby improving the transfer effect of the lens.

[0029] As a preferred embodiment, please refer to Figure 2 and Figure 3 The cavity 231 is a columnar structure, and the side wall of the rotating wheel 210 is in sliding contact with the cavity wall of the cavity 231 , which can improve the limiting effect of the housing 230 on the lens in the placement groove 211 .

[0030] As a preferred embodiment, please refer to Figure 2 and Figure 4The feeding port 232 is opened at the bottom of the shell body 230, and the feeding mechanism 300 is arranged directly below the shell body 230 and corresponds to the feeding port 232. When one of the placement grooves 211 is connected to the feeding port 232, the feeding mechanism 300 can send the lens into the placement groove 211 along the feeding port 232. At this time, the plane of the lens in the placement groove 211 faces downward. When the placement groove 211 is connected to the processing port 233, the plane of the lens in the placement groove 211 faces upward. The feeding mechanism 300 includes a feeding hopper 310, a feeding pile 320 and a first telescopic driving member 330. The feeding hopper 310 has a feeding cavity 311 with an opening on the upper surface, and is connected to the feeding port 232 via the opening. The side wall of the feeding hopper 310 is provided with a feeding port 312 connected to the feeding cavity 311. 20 is slidably arranged in the loading chamber 311, and the loading pile 320 is used to place lenses. The output end of the first telescopic driving member 330 is fixedly connected to the loading pile 320, and is used to drive the loading pile 320 to move up and down. When the upper surface of the loading pile 320 is flush with the lower surface of the feeding port 312, a single lens on the first conveying mechanism 100 enters the loading chamber 311 along the feeding port 312 and is located on the loading pile 320. By manipulating the first telescopic driving member 330, the first telescopic driving member 330 can drive the loading pile 320 to move upward until the upper surface of the loading pile 320 reaches the loading port 232. At this time, the lens on the loading pile 320 enters the placement groove 211. As the rotating wheel 210 rotates, the placement groove 211 leaves the loading port 232 and rotates toward the processing port 233.

[0031] As a preferred embodiment, please refer to Figure 3 and Figure 4 The width of the feed opening 312 is equal to the diameter of a single lens, so that only a single lens is allowed to enter the loading chamber 311 along the feed opening 312 at a time.

[0032] As a preferred embodiment, please refer to Figure 3 and Figure 4 The height of the loading pile 320 is greater than the distance between the loading port 232 and the feeding port 312, so that when the upper surface of the loading pile 320 reaches the loading port 232, the lower section of the loading pile 320 can block the feeding port 312 to prevent the lenses on the first conveying mechanism 100 from entering the loading chamber 311.

[0033] As a preferred embodiment, please refer to Figure 3 and Figure 4The upper surface of the loading pile 320 is an arc-shaped structure, and its curvature is the same as the curvature of the cavity 231, so that when the upper surface of the loading pile 320 reaches the loading port 232, the lens entering the placement groove 211 can be blocked by the upper surface of the loading pile 320 to prevent the lens from falling, and the lens can follow the rotating wheel 210 to rotate in the cavity 231.

[0034] As a preferred embodiment, please refer to Figure 1 The surface grinding device for optical lenses further includes a frame 500, and the shell 230 is fixed on the frame 500, and the shell 230 can be supported by the frame 500.

[0035] As a preferred embodiment, please refer to Figure 2 and Figure 3 The processing port 233 is opened at the top of the shell 230, and the grinding mechanism 400 is arranged directly above the material transfer mechanism 200 and corresponds to the processing port 233. When one of the placement grooves 211 is connected to the processing port 233, the grinding mechanism 400 can enter the placement groove 211 along the processing port 233. At this time, the plane of the lens in the placement groove 211 faces upward. The grinding mechanism 400 includes a grinding disc 410, a second rotating driving member 420 and a second telescopic driving member 430. The output end of the second rotating driving member 420 is coaxially fixed to the grinding disc 410 for driving the grinding disc 410 to rotate. The output end of the second telescopic driving member 430 is connected to the first The second rotating driving member 420 is fixedly connected and is used to drive the second rotating driving member 420 to move up and down so that the grinding disc 410 enters or moves out of the placement groove 211 along the processing port 233. When one of the placement grooves 211 is connected to the processing port 233, the second telescopic driving member 430 is controlled to drive the second rotating driving member 420 to move downward until the grinding disc 410 enters the placement groove 211. Then, the second rotating driving member 420 is controlled to drive the grinding disc 410 to rotate. During the rotation of the grinding disc 410, the plane of the lens in the placement groove 211 can be ground.

[0036] As a preferred embodiment, please refer to Figure 2 and Figure 3The inner diameter of the placement groove 211, the diameter of the grinding disc 410, the diameter of the loading port 232, the diameter of the processing port 233 and the diameter of the unloading port 234 are all equal to the diameter of the optical lens. The optical lens can be limited by the placement groove 211, and the grinding disc 410 can enter the placement groove 211 along the processing port 233.

[0037] As a preferred embodiment, please refer to Figure 2 The grinding mechanism 400 also includes a mounting frame 440, the second rotating driving member 420 is fixed on the mounting frame 440, the second telescopic driving member 430 is fixed on the frame 500, and the output end of the second telescopic driving member 430 is fixedly connected to the mounting frame 440, and the second rotating driving member 420 can be supported by the mounting frame 440.

[0038] As a preferred embodiment, please refer to Figure 1 and Figure 2 The surface grinding device for optical lenses also includes a second conveying mechanism 600, which is arranged below the shell 230, and its inlet end is connected with the discharge port 234. When the placement groove 211 is connected with the discharge port 234, the lenses in the placement groove 211 that have been ground are discharged along the discharge port 234 and fall onto the second conveying mechanism 600.

[0039] In order to better understand the present invention, the following Figure 1 - Figure 4 The working principle of the technical solution of the utility model is described in detail:

[0040] When in use, the first conveying mechanism 100 can convey the lenses to the feeding port 312, and by manipulating the first rotating driving member 220, the first rotating driving member 220 can drive the rotating wheel 210 to rotate. During the rotation of the rotating wheel 210, each of the placement slots 211 is connected with the loading port 232, the processing port 233 and the unloading port 234 in sequence. When one of the placement slots 211 is connected with the loading port 232, the first telescopic driving member 330 is controlled so that the first telescopic driving member 330 can drive the loading port 232 to rotate. The material pile 320 moves upward, and when the upper surface of the material pile 320 is flush with the lower surface of the feed port 312, the single lens on the first conveying mechanism 100 enters the material loading chamber 311 along the feed port 312 and is located on the material loading pile 320. Then, by manipulating the first telescopic driving member 330, the first telescopic driving member 330 can drive the material loading pile 320 to move upward until the upper surface of the material loading pile 320 reaches the feed port 232. At this time, the lens on the material loading pile 320 enters the placement groove 211, and as the The rotating wheel 210 rotates, and the placement groove 211 leaves the loading port 232 and rotates toward the processing port 233. When the placement groove 211 is connected with the processing port 233, the second telescopic driving member 430 is controlled so that the second telescopic driving member 430 can drive the second rotating driving member 420 to move downward, so that the grinding disc 410 enters the placement groove 211 along the processing port 233. Then, the second rotating driving member 420 is controlled so that the second rotating driving member 420 drives the grinding disc 410 to rotate. During the rotation of 10, the plane of the lens in the placement groove 211 can be ground. When the lens grinding is completed, the grinding disc 410 is removed from the placement groove 211, and the rotating wheel 210 continues to rotate. When the placement groove 211 is connected with the unloading port 234, the lens in the placement groove 211 falls onto the second conveying mechanism 600 under the action of its own gravity to realize unloading. When the plane of the optical lens is ground by the grinding device, self-loading and unloading can be realized, which is suitable for batch grinding of the plane of the optical lens and can reduce the time consumption in loading and unloading.

[0041] The surface grinding device for optical lenses provided by the utility model has the following beneficial effects:

[0042] (1) When one of the placement grooves 211 is connected to the loading port 232, the other placement groove 211 is connected to the processing port 233. When the loading mechanism 300 loads material into one of the placement grooves 211, the grinding mechanism 400 grinds the plane of the optical lens in the other placement groove 211, thereby improving time utilization and grinding efficiency.

[0043] (2) The housing 230 can limit the position of the lens in the placement groove 211 to prevent the lens in the placement groove 211 from falling during the rotation of the rotating wheel 210, thereby improving the transport effect of the lens;

[0044] (3) When the grinding device is used to grind the flat surface of an optical lens, it can realize self-loading and unloading, which is suitable for batch grinding of the flat surface of an optical lens and can reduce the time spent on loading and unloading.

[0045] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A surface grinding device for optical lenses, characterized in that: include: A first conveying mechanism for conveying pre-ground lenses; A material transfer mechanism, comprising a shell, a rotating wheel and a first rotating driving member, wherein the shell has a cavity, and the shell is provided with a loading port, a processing port and a unloading port connected to the cavity, the rotating wheel is rotatably arranged in the cavity, and a plurality of placement slots are provided on the rotating wheel, and an output end of the first rotating driving member is fixedly connected to the rotating wheel, and is used to drive the rotating wheel to rotate so as to adjust the orientation of each placement slot. During the rotation of the rotating wheel, each placement slot is sequentially connected to the loading port, the processing port and the unloading port, and when one of the placement slots is connected to the loading port, the other placement slot is connected to the processing port; A feeding mechanism, disposed at the end of the first conveying mechanism, for receiving a single lens on the first conveying mechanism and feeding the single lens into the placement groove; The grinding mechanism is used for grinding the plane of the lens in the placement groove.

2. The surface grinding device for optical lenses according to claim 1, characterized in that: The cavity is a columnar structure, and the side wall of the rotating wheel is in sliding contact with the cavity wall of the cavity.

3. The surface grinding device for optical lenses according to claim 2, characterized in that: The loading port is opened at the bottom of the shell, and the loading mechanism is arranged directly below the shell and corresponds to the loading port. It includes a loading hopper, a loading pile and a first telescopic driving member. The loading hopper has a loading cavity with an opening on the upper surface and is connected with the loading port through the opening. The side wall of the loading hopper is provided with a feeding port connected with the loading cavity. The loading pile is slidably arranged in the loading cavity, and the loading pile is used to place lenses. The output end of the first telescopic driving member is fixedly connected to the loading pile for driving the loading pile to move up and down.

4. The surface grinding device for optical lenses according to claim 3, characterized in that: The width of the feed opening is equal to the diameter of a single lens.

5. The surface grinding device for optical lenses according to claim 3, characterized in that: The height of the loading pile is greater than the distance between the loading port and the feeding port.

6. The surface grinding device for optical lenses according to claim 3, characterized in that: The upper surface of the loading pile is an arc-shaped structure, and its curvature is the same as the curvature of the cavity.

7. The surface grinding device for optical lenses according to claim 1, characterized in that: It also includes a frame, and the shell is fixed on the frame.

8. The surface grinding device for optical lenses according to claim 1, characterized in that: The processing port is opened at the top of the shell, and the grinding mechanism is arranged directly above the material transfer mechanism and corresponds to the processing port. It includes a grinding disc, a second rotating driving member and a second telescopic driving member. The output end of the second rotating driving member is coaxially fixed to the grinding disc for driving the grinding disc to rotate. The output end of the second telescopic driving member is fixed to the second rotating driving member for driving the second rotating driving member to move up and down so that the grinding disc enters or moves out of the placement groove along the processing port.

9. The surface grinding device for optical lenses according to claim 1, characterized in that: It also includes a second conveying mechanism, which is arranged below the shell and has an inlet end connected to the feed port.

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