Lens grinding apparatus

Abstract

The utility model discloses a lens grinding equipment, include: workstation is provided with grinding station, the grinding disc is assembled in grinding station, and can be driven rotation, angle adjusting mechanism includes rotation drive part and the carousel of installation in rotation drive part output, lens clamping mechanism includes the clamping assembly of assembly in carousel and the stage of cooperation with clamping assembly arrangement, and the stage is used for bearing the lens of grinding, and the one end of stage can extend to the grinding disc place to grind the lens of grinding, and clamping assembly can clamping fixedly be located in the lens of grinding of the stage of the utility model. The utility model discloses a lens grinding equipment can adjust the position of lens clamping mechanism through angle adjusting mechanism, to accurately adjust the inclination angle between stage and grinding disc flexibly, thereby can effectively control the grinding effect to the lens of grinding, ensure the grinding quality. Through the cooperation of clamping assembly and stage can guarantee the stability of the lens of grinding, also can improve the adaptability to the lens of grinding of different size.

Description

Technical Field

[0001] This utility model belongs to the technical field of grinding equipment, and specifically relates to a lens grinding device. Background Technology

[0002] In the manufacturing process of macro camera lenses, grinding is one of the key steps, and the parameters in the grinding process directly affect the optical performance and image quality of the lens. Existing lens grinding equipment cannot perform high-precision control and adjustment according to the grinding process, and has poor adaptability to clamping lens products of different sizes. As a result, the lens grinding efficiency is low and cannot meet the production requirements of high-precision macro camera lenses.

[0003] Therefore, it is necessary to provide a lens grinding device to address the aforementioned technical problems. Utility Model Content

[0004] The purpose of this invention is to provide a lens grinding device that can solve the problems of poor control over lens grinding and poor adaptability to clamping lenses of different sizes in the above-mentioned lens grinding devices.

[0005] To achieve the above objectives, the technical solution provided by a specific embodiment of this utility model is as follows:

[0006] A lens grinding apparatus, comprising:

[0007] The workbench is equipped with a grinding station;

[0008] A grinding disc is mounted on the grinding station and can be driven to rotate;

[0009] An angle adjustment mechanism includes a rotary drive and a turntable mounted on the output end of the rotary drive;

[0010] The lens clamping mechanism includes a clamping assembly mounted on the turntable and a platform that cooperates with the clamping assembly. The platform is used to carry the lens to be ground, and one end of the platform can extend to the grinding disc for grinding the lens to be ground. The clamping assembly can clamp and fix the lens to be ground on the platform.

[0011] In one or more embodiments of the present invention, the clamping assembly includes a first driving member and a second driving member disposed on the turntable. The output end of the first driving member is provided with a first clamping member, and the output end of the second driving member is provided with a second clamping member. The first clamping member and the second clamping member can be driven to approach the stage in different directions to abut and limit the lens to be ground on the stage.

[0012] In one or more embodiments of this utility model, the support surface of the stage for supporting the lens to be ground is provided with a limiting strip, the first clamping member includes a plate body arranged parallel to the support surface of the stage, the second clamping member includes a connecting part and a clamping part, the connecting part is fixedly connected to the second driving member, the clamping part and the limiting strip are located on the same side of the stage and are arranged opposite to each other, and the stage, the limiting strip, the plate body and the clamping part can jointly abut against and clamp the lens to be ground on the stage.

[0013] In one or more embodiments of this utility model, both the second clamping member and the platform have chamfers on the side near the worktable.

[0014] In one or more embodiments of this utility model, the lens grinding equipment includes a vision inspection system and a control system. The vision inspection system includes multiple vision cameras, which are installed at different positions of the grinding station to acquire grinding image information. The control system controls the angle adjustment mechanism to adjust the tilt angle of the platform relative to the grinding disc based on the image information.

[0015] In one or more embodiments of this utility model, a protective cover is provided around the periphery of the visual camera.

[0016] In one or more embodiments of the present invention, the lens grinding device includes a height adjustment module, and the angle adjustment mechanism is installed at the output end of the height adjustment module.

[0017] In one or more embodiments of the present invention, the lens grinding apparatus further includes a cooling mechanism, which includes a pump body and a liquid supply pipe, with the outlet of the liquid supply pipe facing the grinding disc.

[0018] In one or more embodiments of this utility model, the workbench is provided with at least two grinding stations, the number of grinding discs corresponds to the number of grinding stations, the cooling mechanism further includes a liquid distribution block, the liquid distribution block is connected to a liquid supply pipe corresponding to the number of grinding discs, and each liquid supply pipe is independently provided with a control valve.

[0019] In one or more embodiments of this utility model, the cooling mechanism further includes a recovery pipe and a storage tank, the workbench is provided with a return port communicating with the recovery pipe, the liquid outlet end of the recovery pipe is provided with the storage tank, and the pump body is communicating with the storage tank.

[0020] Compared with existing technologies, the lens grinding equipment of this invention can adjust the position of the lens clamping mechanism through an angle adjustment mechanism, so as to flexibly and accurately adjust the tilt angle between the stage and the grinding disc. Therefore, it can effectively control the grinding effect of the lens to be ground and ensure the grinding quality. The cooperation between the clamping components and the stage can ensure the stability of the lens to be ground and improve the adaptability to lenses of different sizes. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the lens grinding device in one embodiment of the present invention;

[0023] Figure 2 This is a schematic diagram of the structure of the worktable of the lens grinding equipment in one embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of the angle adjustment mechanism and lens clamping mechanism in one embodiment of the present invention;

[0025] Figure 4 This is a schematic diagram of the angle adjustment mechanism and lens clamping mechanism from another perspective in one embodiment of the present invention;

[0026] Figure 5 This is a schematic diagram of the cooling mechanism of the lens grinding equipment in one embodiment of the present invention.

[0027] Explanation of key figure labels:

[0028] 1. Worktable; 2. Grinding disc; 3. Angle adjustment mechanism; 31. Rotary drive component; 32. Turntable; 4. Lens clamping mechanism; 41. Platform; 42. First drive component; 43. Second drive component; 44. First clamping component; 45. Second clamping component; 451. Connecting part; 452. Clamping part; 46. Limiting bar; 5. Height adjustment module; 6. Horizontal adjustment module; 7. Vision camera; 8. Cooling mechanism; 81. Pump body; 82. Liquid supply pipe; 83. Liquid distribution block; 84. Control valve; 9. Frame. Detailed Implementation

[0029] To enable those skilled in the art to better understand the technical solutions in this disclosure, the technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this disclosure.

[0030] Reference Figure 1 and Figure 2 The lens grinding device in one embodiment of this utility model includes a worktable 1, a grinding disc 2, an angle adjustment mechanism 3, and a lens clamping mechanism 4.

[0031] Reference Figure 2 The worktable 1 is equipped with a grinding station, and the grinding disc 2 is mounted on the grinding station and can be driven to rotate. Specifically, the grinding disc 2 can be driven to rotate by a motor mounted on the worktable 1. The angle adjustment mechanism 3 is used to adjust the rotational position of the lens clamping mechanism 4 relative to the grinding disc 2. The lens clamping mechanism 4 is used to clamp the lens to be ground. It should be noted that the lens to be ground in this embodiment is illustrated by setting it as a long strip shape, which is not a limitation on its shape. For details, please refer to [link to relevant documentation]. Figure 3 and Figure 4 The marker 'a' in the text.

[0032] Reference Figure 3 and Figure 4 The angle adjustment mechanism 3 includes a rotary drive 31 and a turntable 32 mounted on the output end of the rotary drive 31. The rotary drive 31 can be a motor. The lens clamping mechanism 4 includes a clamping assembly mounted on the turntable 32 and a platform 41 that cooperates with the clamping assembly. The platform 41 is used to support the lens to be ground, and one end of the platform 41 can extend to the grinding disk 2 for grinding the lens. The clamping assembly can clamp and fix the lens to be ground on the platform 41. The rotary drive 31 drives the turntable 32 to rotate, which in turn drives the lens clamping mechanism 4 on the turntable 32 to rotate synchronously. Therefore, the tilt angle between the platform 41 and the grinding disk 2 can be adjusted. By flexibly adjusting this angle, the grinding effect of the lens to be ground can be effectively controlled, ensuring the grinding quality.

[0033] Reference Figure 3 and Figure 4The clamping assembly includes a first driving member 42 and a second driving member 43 disposed on the turntable 32. A first clamping member 44 is disposed at the output end of the first driving member 42, and a second clamping member 45 is disposed at the output end of the second driving member 43. The first clamping member 44 and the second clamping member 45 can be driven to approach the stage 41 in different directions to abut against and limit the lens to be ground on the stage 41. In this embodiment, the first driving member 42 and the second driving member 43 can specifically be cylinders, electric cylinders, or other devices. The first clamping member 44 and the second clamping member 45 can approach the stage 41 in two mutually perpendicular directions to fix the lens to be ground located on the stage 41. By using the stage 41, the first clamping member 44, and the second clamping member 45 to abut against and limit the lens to be ground, lenses of different sizes can be adaptively clamped and fixed, improving the adaptability of the clamping.

[0034] Furthermore, the stage 41 has a limiting strip 46 on its bearing surface for supporting the lens to be ground. The first clamping member 44 includes a plate body parallel to the bearing surface of the stage 41. The second clamping member 45 includes a connecting part 451 and a clamping part 452. The connecting part 451 is fixedly connected to the second driving member 43. The clamping part 452 and the limiting strip 46 are located on the same surface of the stage 41 and are arranged opposite to each other. The stage 41, the limiting strip 46, the plate body, and the clamping part 452 can jointly abut against and clamp the lens to be ground on the stage 41. In this embodiment, the first clamping member 44 and the second clamping member 45 are used to abut against two adjacent surfaces of the lens to be clamped on the stage 41. The stage 41 and the limiting strip 46 can abut against the other two adjacent surfaces of the lens to be clamped on the stage 41 to ensure effective fixation of the strip-shaped lens to be ground. In this embodiment, the cross-section of the second clamping member 45 can be configured as U-shaped, and one side of the stage 41 can be inserted into the opening of the U-shaped second clamping member 45. The second driving member 43 drives the second clamping member 45 to approach or move away from the turntable 32 so that it abuts and limits the side of the lens to be ground.

[0035] Reference Figure 3 and Figure 4 When the angle adjustment mechanism 3 drives the stage 41 to rotate so that one end of it approaches the grinding disk 2, the lens to be ground, protruding from the stage 41, can abut against the grinding disk 2 for grinding. To prevent the second clamping member 45 and the stage 41 from abutting against the grinding disk 2 or the worktable 1 and affecting the lens grinding, in this embodiment, both the second clamping member 45 and the stage 41 have chamfered edges on the side near the worktable 1. It is understood that in other embodiments, if the second clamping member 45 and the stage 41 do not abut against the worktable 1, the chamfer may not be provided, and this application does not impose any restrictions on this.

[0036] Reference Figure 2 and Figure 3The lens grinding equipment includes a height adjustment module 5, and an angle adjustment mechanism 3 is installed at the output end of the height adjustment module 5. By reasonably adjusting the height of the angle adjustment mechanism 3, the height of the stage 41 can be further adjusted, thereby adjusting the contact pressure between the equipment to be ground and the grinding disc 2 to ensure grinding accuracy and grinding quality. The height adjustment module 5 is a common structure in the art, and will not be described in detail here.

[0037] Reference Figure 2 The workbench 1 is equipped with at least two grinding stations, and the number of grinding discs 2 corresponds to the number of grinding stations. In this embodiment, two grinding discs 2 are used as an example for illustrative purposes. One grinding disc 2 can be used for coarse grinding, and the other for fine grinding. In other embodiments, other numbers of grinding discs 2 may be used.

[0038] Reference Figure 2 Furthermore, in an optional embodiment, the lens grinding equipment may further include a horizontal adjustment module 6, and a height adjustment module 5 installed at the output end of the horizontal adjustment module 6, to cooperate with the height adjustment module 5 in driving the angle adjustment mechanism 3 to move in different directions, thereby cooperating to complete the lens grinding work. The horizontal adjustment module 6 can switch the lens to be ground to different grinding discs 2. The horizontal adjustment module 6 is a common structure in the art, and will not be described in detail here.

[0039] Reference Figure 2 The lens grinding equipment in this embodiment also includes a vision inspection system and a control system. The vision inspection system includes multiple vision cameras 7, which are installed at different positions in the grinding station to acquire grinding image information. The control system controls the angle adjustment mechanism 3 to adjust the tilt angle of the platform 41 relative to the grinding disk 2 based on the image information. In this embodiment, the vision cameras 7 can acquire grinding image information from three different positions. A protective cover is also provided around the vision cameras 7 to prevent damage that may occur during the grinding process.

[0040] In one optional embodiment, the control system can also be electrically connected to the height adjustment module 5 to control the grinding pressure. Therefore, the entire grinding process can be controlled based on the control system, including grinding parameter settings, process path planning, etc.

[0041] Reference Figure 2 and Figure 5 The lens grinding equipment in this embodiment also includes a cooling mechanism 8, which includes a pump body 81 and a liquid supply pipe 82, with the outlet of the liquid supply pipe 82 facing the grinding disc 2. During the grinding process, the supply of grinding fluid can remove the heat generated during the grinding process, preventing the lens and grinding tools from deforming or being damaged due to excessive temperature. At the same time, the grinding fluid can also absorb the debris and dust generated during grinding, keeping the working environment clean and preventing impurities from affecting the grinding accuracy.

[0042] Reference Figure 2 and Figure 5 The cooling mechanism 8 also includes a recovery pipe and a storage tank (not shown in the figure). The workbench 1 is equipped with a return port connected to the recovery pipe, and the outlet end of the recovery pipe is equipped with a storage tank. The pump body 81 is connected to the storage tank. By recovering the grinding fluid, it can be reused multiple times, reducing production costs.

[0043] Reference Figure 2 and Figure 5 In this embodiment, the workbench 1 is provided with at least two grinding stations. The cooling mechanism 8 also includes a liquid distribution block 83, which is connected to a liquid supply pipe 82 corresponding to the number of grinding discs 2, and each liquid supply pipe 82 is independently equipped with a control valve 84. The liquid distribution block 83 can control the grinding liquid to enter different liquid supply pipes 82, and the opening and closing of the control valve 84 can control the on / off state of each liquid supply pipe 82, thereby ensuring the grinding effect.

[0044] Reference Figure 1 In one optional embodiment, the lens grinding equipment further includes a frame 9, with a worktable 1 disposed on the frame 9, and the pipes of the cooling mechanism 8 can be arranged below the worktable 1. Meanwhile, the frame 9 provides stable support, and its bottom can be equipped with adjustable casters and shock-absorbing pads to facilitate the movement and leveling of the lens grinding equipment, while reducing vibration interference during operation and further ensuring grinding accuracy.

[0045] It will be apparent to those skilled in the art that this disclosure is not limited to the details of the exemplary embodiments described above, and that this disclosure can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of this disclosure is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this disclosure. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0046] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A lens grinding apparatus, characterized in that, include: The workbench (1) is equipped with a grinding station; The grinding disc (2) is assembled at the grinding station and can be driven to rotate; Angle adjustment mechanism (3) includes a rotary drive (31) and a turntable (32) mounted on the output end of the rotary drive (31). The lens clamping mechanism (4) includes a clamping assembly mounted on the turntable (32) and a platform (41) cooperating with the clamping assembly. The platform (41) is used to carry the lens to be ground, and one end of the platform (41) can extend to the grinding disc (2) for grinding the lens to be ground. The clamping assembly can clamp the lens to be ground fixed on the platform (41).

2. The lens grinding apparatus according to claim 1, characterized in that, The clamping assembly includes a first drive member (42) and a second drive member (43) disposed on the turntable (32). The output end of the first drive member (42) is provided with a first clamping member (44), and the output end of the second drive member (43) is provided with a second clamping member (45). The first clamping member (44) and the second clamping member (45) can be driven to approach the stage (41) in different directions to abut and limit the lens to be ground on the stage (41).

3. The lens grinding apparatus according to claim 2, characterized in that, The stage (41) is provided with a limiting strip (46) on the bearing surface for supporting the lens to be ground. The first clamping member (44) includes a plate body arranged parallel to the bearing surface of the stage (41). The second clamping member (45) includes a connecting part (451) and a clamping part (452). The connecting part (451) is fixedly connected to the second driving member (43). The clamping part (452) and the limiting strip (46) are located on the same side of the stage (41) and are arranged opposite to each other. The stage (41), the limiting strip (46), the plate body and the clamping part (452) can jointly abut against and clamp the lens to be ground on the stage (41).

4. The lens grinding apparatus according to claim 2 or 3, characterized in that, The second clamp (45) and the platform (41) both have chamfers on the side near the worktable (1).

5. The lens grinding apparatus according to claim 1, characterized in that, The lens grinding equipment includes a vision inspection system and a control system. The vision inspection system includes multiple vision cameras (7). The vision cameras (7) are installed at different positions of the grinding station to acquire grinding image information. The control system controls the angle adjustment mechanism (3) to adjust the tilt angle of the platform (41) relative to the grinding disk (2) based on the image information.

6. The lens grinding apparatus according to claim 5, characterized in that, The visual camera (7) is provided with a protective cover around its periphery.

7. The lens grinding apparatus according to claim 1, characterized in that, The lens grinding equipment includes a height adjustment module (5), and the angle adjustment mechanism (3) is installed at the output end of the height adjustment module (5).

8. The lens grinding apparatus according to claim 1, characterized in that, The lens grinding equipment also includes a cooling mechanism (8), which includes a pump body (81) and a liquid supply pipe (82), with the outlet of the liquid supply pipe (82) facing the grinding disc (2).

9. The lens grinding apparatus according to claim 8, characterized in that, The workbench (1) is provided with at least two grinding stations, the number of grinding discs (2) corresponds to the number of grinding stations, the cooling mechanism (8) further includes a liquid distribution block (83), the liquid distribution block (83) is connected to a liquid supply pipe (82) corresponding to the number of grinding discs (2), and each liquid supply pipe (82) is independently provided with a control valve (84).

10. The lens grinding apparatus according to claim 8, characterized in that, The cooling mechanism (8) also includes a recovery pipe and a storage tank. The workbench (1) is provided with a return port connected to the recovery pipe. The storage tank is provided at the outlet end of the recovery pipe, and the pump body (81) is connected to the storage tank.

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