A marking mechanism for lens assembly equipment

Abstract

This utility model provides a marking mechanism for lens assembly equipment. By integrating a detection device, a handling and fixing device, a marking device, a scanning device and an unloading device on a base plate, and using X-axis, Y-axis and Z-axis linear modules to achieve orderly layout and coordinated action of each component, its overall mechanical structure is simple and compact, occupies little space, and can adapt to production scenarios with limited space.

Description

Technical Field

[0001] This utility model relates to the field of optical lens technology, and more specifically, to a marking mechanism for a lens assembly device. Background Technology

[0002] In the field of optical lens manufacturing, with the rapid development of product traceability systems and intelligent production, QR code marking and information detection have become key processes. This process, by processing QR codes containing process information on the sidewall of the lens, enables digital tracking of the entire production process, providing data support for automated processing, quality control, and after-sales traceability in subsequent processes. Therefore, the marking machine, as the core equipment for realizing this function, directly affects lens production efficiency and information accuracy.

[0003] However, the design and application of existing marking machines still face significant bottlenecks. Because the lens marking process requires multiple steps such as loading and positioning, QR code marking, information detection, and unloading and transfer, and because lenses are small and require high precision, traditional marking equipment generally adopts a multi-station, step-by-step operation mode. For example, Chinese patent CN117300368A discloses a marking mechanism that uses a rotating platform with loading, marking, detection, and unloading stations evenly arranged around its circumference. The platform's rotation drives the material to flow sequentially to each station for processing. While this scheme achieves centralized processing through a circular layout, the need for each station to be independently configured around the rotating platform results in the equipment being composed of multiple independent subsystems, leading to a complex mechanical structure, large space occupation, and difficulty in adapting to production scenarios with limited space. Utility Model Content

[0004] In view of this, the present invention aims to propose a marking mechanism for lens assembly equipment to solve the problems of complex mechanical structure and large space occupation of the marking mechanism in the prior art.

[0005] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0006] A marking mechanism for a lens assembly device includes a base plate, an X-axis slide rail on the base plate, a detection device at the right end of the X-axis slide rail, and a vision camera and a ring light source. The ring light source is located below the vision camera. The vision camera is used to take pictures and position the lens, and the ring light source is used to illuminate the lens.

[0007] A transport and fixing device is provided on the rear side of the X-axis slide rail. The transport and fixing device includes a transport slide rail, a transport gripper assembly is provided on the transport slide rail, and a positioning fixture is provided on the lower side of the transport gripper assembly. The transport gripper assembly can move left and right along the transport slide rail to transport the lens to the positioning fixture, and the positioning fixture is used to fix the lens.

[0008] The front side of the transport gripper assembly is provided with a marking device and a scanning device. The marking device is used to mark a QR code on the side wall of the lens, and the scanning device is used to scan the QR code on the side wall of the lens.

[0009] It also includes an unloading device, which includes a Z-axis linear module, which is vertically mounted on the X-axis slide rail. The lower end of the Z-axis linear module is equipped with a pneumatic gripper, which can move up and down to transfer the scanned lens.

[0010] Furthermore, the transport gripper assembly includes a vertical plate, a flat plate, and a lifting cylinder. The rear end of the vertical plate is slidably mounted on the front end of the transport slide rail and can move left and right along the transport slide rail.

[0011] The flat plate is located at the front end of the upright plate, and the front end of the upright plate is provided with a lifting slide rail, along which the flat plate can move up and down.

[0012] The lifting cylinder is mounted on the upright plate and located at the lower end of the plate. The lifting cylinder is used to drive the plate to move up and down along the lifting slide rail.

[0013] The flat plate is equipped with a two-claw cylinder, which is used to pick up the lens. The two-claw cylinder includes a left two-claw cylinder and a right two-claw cylinder. The left two-claw cylinder is located at the left end of the flat plate, and the right two-claw cylinder is located at the right end of the flat plate.

[0014] The positioning fixture includes a left positioning fixture and a right positioning fixture. The left positioning fixture is located below the left two-jaw cylinder, and the right positioning fixture is located below the right two-jaw cylinder.

[0015] The marking device is located in front of the right positioning fixture, and the barcode scanning device is located in front of the left positioning fixture.

[0016] Furthermore, the Z-axis linear module is configured as an electric lifting screw, an electric lifting cylinder, or an electric synchronous belt to drive the pneumatic gripper to move up and down.

[0017] Furthermore, the upper part of the right positioning fixture is provided with a right placement platform, which is used to place the lens. Multiple grippers are evenly arranged around the right placement platform. The grippers can close towards the center to fix the lens. The right placement platform can rotate around its central axis on a plane.

[0018] Furthermore, the unloading device includes a cutting gripper located on the left side of the left positioning fixture. The cutting gripper is used to receive scanned, qualified lenses and transfer the lenses to the next process.

[0019] Furthermore, the unloading device includes a Y-axis slide rail, which is located below the X-axis slide rail and simultaneously between the cutting gripper and the left positioning fixture.

[0020] An NG disk is provided on the Y-axis slide rail. The NG disk can move back and forth along the Y-axis slide rail to receive lenses that fail the scan.

[0021] Furthermore, a dust suction head is provided on the front side of the right positioning fixture, which is used to remove dust generated during marking.

[0022] Furthermore, the lower end of the X-axis slide rail is connected to the base plate via a first support leg. The first support leg includes a first left support leg and a first right support leg. The first left support leg is located at the left end of the X-axis slide rail, and the first right support leg is located at the right end of the X-axis slide rail.

[0023] The lower end of the Y-axis slide rail is connected to the base plate via a second support leg. The second support leg includes a second front support leg and a second rear support leg. The second front support leg is located at the front end of the Y-axis slide rail, and the second rear support leg is located at the rear end of the Y-axis slide rail.

[0024] Compared with the prior art, the marking mechanism of the lens assembly equipment of this utility model has the following advantages:

[0025] 1) Its overall mechanical structure is simple and compact, occupies little space, and can adapt to production scenarios with limited space;

[0026] 2) It can pick up new lenses and transfer marked lenses, realize the synchronous loading and unloading actions, and can automatically distinguish between qualified and unqualified lenses, reducing manual intervention and improving production efficiency. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the marking mechanism described in an embodiment of the present utility model;

[0028] Figure 2 This is a structural schematic diagram of the marking mechanism described in an embodiment of the present utility model from a second perspective;

[0029] Figure 3 This is a third-view structural diagram of the marking mechanism described in an embodiment of the present invention;

[0030] Figure 4 for Figure 1 Schematic diagram of the structure of the medium-sized plate;

[0031] Figure 5 for Figure 1 A schematic diagram of the right-center positioning fixture.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Detection device; 11. Vision camera; 12. Ring light source; 2. Transport and fixing device; 21. Transport slide rail; 22. Transport gripper assembly; 221. Vertical plate; 222. Flat plate; 223. Lifting cylinder; 224. Lifting slide rail; 225. Two-jaw cylinder; 2251. Left two-jaw cylinder; 2252. Right two-jaw cylinder; 23. Positioning fixture; 231. Left positioning fixture; 232. Right positioning fixture; 2321. Right positioning fixture 1. Storage platform; 2. Marking device; 3. Barcode scanning device; 4. Unloading device; 5. Cutting gripper; 6. Dust suction head; 7. First support leg; 7.1. First left support leg; 7.1. First right support leg; 7.2. Second support leg; 7.2. Second front support leg; 7.2. Second rear support leg; 100. Base plate; 101. X-axis slide rail; 102. Y-axis slide rail; 1021. NG disk; 103. Z-axis linear module; 1031. Pneumatic gripper. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to embodiments. It should be understood that the described embodiments are only some, not all, of the embodiments of this invention. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0035] Example 1

[0036] like Figure 1-5 As shown, this embodiment provides a marking mechanism for a lens assembly device, including a base plate 100, an X-axis slide rail 101 on the base plate 100, a detection device 1 at the right end of the X-axis slide rail 101, the detection device 1 including a vision camera 11 and a ring light source 12, the ring light source 12 being located below the vision camera 11, the vision camera 11 being used to photograph and position the lens, and the ring light source 12 being used to illuminate the lens;

[0037] A transport and fixing device 2 is provided on the rear side of the X-axis slide rail 101. The transport and fixing device 2 includes a transport slide rail 21, a transport gripper assembly 22 is provided on the transport slide rail 21, and a positioning fixture 23 is provided on the lower side of the transport gripper assembly 22. The transport gripper assembly 22 can move left and right along the transport slide rail 21 to transport the lens to the positioning fixture 23. The positioning fixture 23 is used to fix the lens.

[0038] The front side of the transport gripper assembly 22 is provided with a marking device 3 and a scanning device 4. The marking device 3 is used to mark a QR code on the side wall of the lens, and the scanning device 4 is used to scan the QR code on the side wall of the lens.

[0039] It also includes an unloading device 5, which includes a Z-axis linear module 103, which is vertically mounted on the X-axis slide rail 101. The lower end of the Z-axis linear module 103 is provided with a pneumatic gripper 1031, which can move up and down to transfer the scanned lens.

[0040] Specifically, this setup is compact and has high space utilization. By integrating the detection device 1, the handling and fixing device 2, the marking device 3, the scanning device 4, and the unloading device 5 onto the base plate 100, and using X-axis and Z-axis linear modules to achieve orderly layout and coordinated action of each component, its overall mechanical structure is simple and occupies little space. It avoids the complex structure of independent subsystems arranged around each other in the traditional multi-station step-by-step operation mode and can adapt to production scenarios with limited space.

[0041] The transport gripper assembly 22 can move left and right along the transport slide rail 21, simultaneously picking up new lenses and transferring marked lenses, realizing the synchronous loading and unloading actions. The unloading device 5, through the cooperation of the Z-axis linear module 103 and the pneumatic gripper 1031, can automatically distinguish between qualified and unqualified lenses, reducing manual intervention and improving production efficiency.

[0042] Preferably, the marking device 3 is a marking machine and the scanning device 4 is a scanning machine.

[0043] Understandably, it also includes a control device, which is used to coordinate and control the working status of the detection device 1, the handling and fixing device 2, the marking device 3, the barcode scanning device 4, and the unloading device 5.

[0044] As a preferred example of this application, the transport gripper assembly 22 includes a vertical plate 221, a flat plate 222 and a lifting cylinder 223. The rear end of the vertical plate 221 is slidably mounted on the front end of the transport slide rail 21 and can move left and right along the transport slide rail 21.

[0045] The flat plate 222 is located at the front end of the upright plate 221. The front end of the upright plate 221 is provided with a lifting slide rail 224, and the flat plate 222 can move up and down along the lifting slide rail 224.

[0046] The lifting cylinder 223 is mounted on the upright plate 221 and located at the lower end of the flat plate 222. The lifting cylinder 223 is used to drive the flat plate 222 to move up and down along the lifting slide rail 224.

[0047] The flat plate 222 is provided with a two-claw cylinder 225, which is used to pick up the lens. The two-claw cylinder 225 includes a left two-claw cylinder 2251 and a right two-claw cylinder 2252. The left two-claw cylinder 2251 is located at the left end of the flat plate 222, and the right two-claw cylinder 2252 is located at the right end of the flat plate 222.

[0048] The positioning fixture 23 includes a left positioning fixture 231 and a right positioning fixture 232. The left positioning fixture 231 is located below the left two-jaw cylinder 2251, and the right positioning fixture 232 is located below the right two-jaw cylinder 2252.

[0049] The marking device 3 is located in front of the right positioning fixture 232, and the scanning device 4 is located in front of the left positioning fixture 231.

[0050] Preferably, the transport slide rail 21 is configured as a synchronous belt.

[0051] Preferably, the upright plate 221 is arranged perpendicularly to the flat plate 222.

[0052] Preferably, both ends of the upright plate 221 are provided with lifting slide rails.

[0053] Specifically, this setup enables multiple processes such as material loading, labeling, and barcode scanning to be performed simultaneously, significantly improving efficiency and reducing waiting time between processes.

[0054] As a preferred example of this application, the Z-axis linear module 103 is configured as an electric lifting screw, an electric lifting cylinder, or an electric synchronous belt to drive the pneumatic gripper 1031 to move up and down.

[0055] Specifically, this configuration is simple and facilitates the up-and-down movement of the pneumatic gripper 1031.

[0056] As a preferred example of this application, the upper part of the right positioning fixture 232 is provided with a right placement platform 2321, which is used to place the lens. Multiple grippers are evenly arranged around the right placement platform 2321. The grippers can close towards the center to fix the lens. The right placement platform 2321 can rotate 360° around its central axis on a plane.

[0057] Specifically, when the multiple grippers around the right platform 2321 close towards the center, they can stably hold lenses of different sizes, ensuring that the lenses will not shift during the marking process and guaranteeing the accuracy of the marking position. When the marking device 3 uses a laser to mark the side wall of the lens, since the side wall of the lens is curved, the right platform 2321 rotates 360° around the central axis, which can adjust the orientation of the lens side wall according to the position requirements of the marking device 3, thereby accurately marking the lens side wall. Moreover, this setting enhances the coordination efficiency with the transport gripper assembly 22. The stable fixing method and rotatable characteristics can cooperate with the picking and placing actions of the right two-jaw cylinder 2252 to quickly complete the positioning and marking after the lens is placed, reducing the process connection time and improving the continuity of the overall marking process.

[0058] Preferably, the right shelf 2321 has four grippers evenly arranged around its perimeter.

[0059] Understandably, the left positioning fixture 231 and the right positioning fixture 232 have the same structure. After the lens is fixed on the right platform 2321, the marking device 3 uses a laser to mark a QR code on the side wall of the lens. At the same time, by rotating the right platform 2321, the position of the lens side wall relative to the marking device 3 is continuously adjusted to achieve fast and accurate marking. After the marked lens is fixed on the left platform, the scanning device 4 scans the QR code on the side wall of the lens. At the same time, by rotating the left platform, the position of the lens side wall relative to the scanning device 4 is continuously adjusted to achieve fast and accurate scanning and confirm whether the QR code is normal. The QR code contains the lens's process information.

[0060] As a preferred example of this application, the unloading device 5 includes a cutting gripper 51 located on the left side of the left positioning fixture 231. The cutting gripper 51 is used to receive a scanned and qualified lens and transfer the lens to the next process.

[0061] Specifically, the cutting gripper 51 is located on the left side of the left positioning fixture 231. It can directly receive lenses that have passed the barcode scanning device 4 and quickly transfer them to the next process, reducing the time between the lens passing the inspection and entering the next process, and improving the overall production efficiency.

[0062] As a preferred example of this application, the unloading device 5 includes a Y-axis slide rail 102 located below the X-axis slide rail 101, and between the cutting gripper 51 and the left positioning fixture 231.

[0063] An NG disk 1021 is provided on the Y-axis slide rail 102. The NG disk 1021 can move back and forth along the Y-axis slide rail 102 to receive lenses that fail the scan.

[0064] Specifically, the NG disk 1021 on the Y-axis slide rail 102 can move back and forth along the slide rail, accurately receiving lenses that fail the barcode scanning device 4, avoiding mixing of defective and qualified products, ensuring the accuracy of product classification, and facilitating the unified processing of defective lenses in the future.

[0065] Preferably, the NG disk 1021 is provided with a plurality of evenly arranged receiving slots for placing defective lenses.

[0066] As a preferred example of this application, a dust suction head 6 is provided on the front side of the right positioning fixture 232, which is used to suck up the dust generated during marking.

[0067] Specifically, when the marking device 3 marks the lens on the right positioning fixture 232, the dust suction head 6 can directly suck up the generated dust, preventing dust from adhering to the lens surface or other parts of the equipment, reducing the adverse effects on lens quality and equipment performance, and also preventing the subsequent barcode scanning device 4 from correctly scanning the QR code.

[0068] As a preferred example of this application, the lower end of the X-axis slide rail 101 is connected to the base plate 100 via a first support leg 71. The first support leg 71 includes a first left support leg 711 and a first right support leg 712. The first left support leg 711 is located at the left end of the X-axis slide rail 101, and the first right support leg 712 is located at the right end of the X-axis slide rail 101.

[0069] The lower end of the Y-axis slide rail 102 is connected to the base plate 100 via a second support leg 72. The second support leg 72 includes a second front support leg 721 and a second rear support leg 722. The second front support leg 721 is located at the front end of the Y-axis slide rail 102, and the second rear support leg 722 is located at the rear end of the Y-axis slide rail 102.

[0070] Specifically, this design can distribute the force on the slide rail, so that the slide rail can maintain structural stability when carrying the unloading device 5 and performing moving operations, reducing shaking or displacement, and ensuring the stability of equipment operation.

[0071] On the other hand, by connecting the slide rail to the base plate 100 with independent support feet, the height or level of the support feet can be adjusted according to actual needs, so that the slide rail is in an ideal installation state, reducing errors in the installation process and providing a good foundation for the coordinated work of various components of the subsequent equipment.

[0072] Preferably, the X-axis slide rail 101 is arranged in the left-right direction, the Y-axis slide rail 102 is arranged in the front-back direction, and the Z-axis linear module 103 is arranged in the up-down direction.

[0073] Understandably, the specific working steps of the marking mechanism of the lens assembly equipment described in this application are as follows:

[0074] S1: The lens processed in the previous process is transferred by the transfer device to the underside of the inspection device 1. The inspection device 1 takes pictures of the lens to be inspected and positions it, and sends the position coordinate information of the lens to the control device.

[0075] S2: The transport gripper assembly 22 moves to the right to the first station. At this time, the left two-jaw cylinder 2251 is located directly above the right positioning fixture 232, and the right two-jaw cylinder 2252 is located between the ring light source 12 and the lens. Then, the transport gripper assembly 22 moves downward so that the right two-jaw cylinder 2252 picks up the lens on the transfer device, and the left two-jaw cylinder 2251 picks up the lens that has been marked on the right positioning fixture 232. Then, the transport gripper assembly 22 moves upward to its original position. At the same time, if the barcode scanning device 4 reports that the detection is qualified, the Z-axis linear module 103 moves to the upper side of the left positioning fixture 231 and uses the pneumatic gripper 1031 to transfer the lens to the cutting gripper 51. If the barcode scanning detection is unqualified, the Y-axis slide rail 102 drives the NG disk 1021 to move to the lower side of the X-axis slide rail 101. The Z-axis linear module 103 drives the pneumatic gripper 1031 to transfer the lens that failed the barcode scanning to the NG disk 1021.

[0076] S3: The transport gripper assembly 22 moves to the left to the second station. At this time, the right two-jaw cylinder 2252 moves to the upper side of the right positioning fixture 232, and the left two-jaw cylinder 2251 moves to the upper side of the left positioning fixture 231. Then, the transport gripper assembly 22 moves downward. The right two-jaw cylinder 2252 places the inspected lens on the right positioning fixture 232, and the left two-jaw cylinder 2251 places the marked lens on the left positioning fixture 231. Then, the transport gripper assembly 22 moves upward to its original position. The marking device 3 marks the lens on the right two-jaw cylinder 2252 with a QR code, and the scanning device 4 scans the QR code on the side wall of the lens on the left two-jaw cylinder 2251.

[0077] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A marking mechanism of a lens assembling apparatus, characterized by comprising: Includes a base plate (100), on which an X-axis slide rail (101) is provided. A detection device (1) is provided at the right end of the X-axis slide rail (101). The detection device (1) includes a vision camera (11) and a ring light source (12). The ring light source (12) is located below the vision camera (11). The vision camera (11) is used to take pictures and position the lens. The ring light source (12) is used to illuminate the lens. A transport and fixing device (2) is provided on the rear side of the X-axis slide rail (101). The transport and fixing device (2) includes a transport slide rail (21). A transport gripper assembly (22) is provided on the transport slide rail (21). A positioning fixture (23) is provided on the lower side of the transport gripper assembly (22). The transport gripper assembly (22) can move left and right along the transport slide rail (21) to transport the lens to the positioning fixture (23). The positioning fixture (23) is used to fix the lens. The front side of the transport gripper assembly (22) is provided with a marking device (3) and a scanning device (4). The marking device (3) is used to mark a QR code on the side wall of the lens, and the scanning device (4) is used to scan the QR code on the side wall of the lens. It also includes an unloading device (5), which includes a Z-axis linear module (103). The Z-axis linear module (103) is vertically mounted on the X-axis slide rail (101). The lower end of the Z-axis linear module (103) is provided with a pneumatic gripper (1031). The pneumatic gripper (1031) can move up and down to transfer the scanned lens.

2. The marking mechanism of the lens assembling apparatus according to claim 1, wherein The transport gripper assembly (22) includes a vertical plate (221), a flat plate (222), and a lifting cylinder (223). The rear end of the vertical plate (221) is slidably mounted on the front end of the transport slide rail (21) and can move left and right along the transport slide rail (21). The flat plate (222) is located at the front end of the upright plate (221), and the front end of the upright plate (221) is provided with a lifting slide rail (224). The flat plate (222) can move up and down along the lifting slide rail (224). The lifting cylinder (223) is mounted on the upright plate (221) and located at the lower end of the flat plate (222). The lifting cylinder (223) is used to drive the flat plate (222) to move up and down along the lifting slide rail (224). The flat plate (222) is provided with a two-claw cylinder (225), which is used to pick up the lens. The two-claw cylinder (225) includes a left two-claw cylinder (2251) and a right two-claw cylinder (2252). The left two-claw cylinder (2251) is located at the left end of the flat plate (222), and the right two-claw cylinder (2252) is located at the right end of the flat plate (222). The positioning fixture (23) includes a left positioning fixture (231) and a right positioning fixture (232). The left positioning fixture (231) is located below the left two-jaw cylinder (2251), and the right positioning fixture (232) is located below the right two-jaw cylinder (2252). The marking device (3) is located in front of the right positioning fixture (232), and the scanning device (4) is located in front of the left positioning fixture (231).

3. The marking mechanism of the lens assembling apparatus according to claim 1, wherein The Z-axis linear module (103) is configured as an electric lifting screw, an electric lifting cylinder, or an electric synchronous belt to drive the pneumatic gripper (1031) to move up and down.

4. The marking mechanism of the lens assembling apparatus according to claim 2, wherein The upper part of the right positioning fixture (232) is provided with a right placement platform (2321), which is used to place the lens. Multiple grippers are evenly arranged around the right placement platform (2321). The grippers can close together to fix the lens. The right placement platform (2321) can rotate 360° around its central axis on a plane.

5. The marking mechanism of the lens assembling apparatus according to claim 2, wherein The unloading device (5) includes a cutting gripper (51), which is located on the left side of the left positioning fixture (231). The cutting gripper (51) is used to receive the scanned qualified lens and transfer the lens to the next process.

6. The marking mechanism of the lens assembling apparatus according to claim 1, wherein The unloading device (5) includes a Y-axis slide rail (102), which is located below the X-axis slide rail (101) and between the cutting gripper (51) and the left positioning fixture (231); An NG disk (1021) is provided on the Y-axis slide rail (102). The NG disk (1021) can move back and forth along the Y-axis slide rail (102) to receive lenses that fail the scan.

7. The marking mechanism of the lens assembling apparatus according to claim 2, wherein The right positioning fixture (232) is provided with a dust suction head (6) on its front side, which is used to suck up the dust generated during marking.

8. The marking mechanism of the lens assembling apparatus according to claim 6, wherein The lower end of the X-axis slide rail (101) is connected to the base plate (100) via a first support leg (71). The first support leg (71) includes a first left support leg (711) and a first right support leg (712). The first left support leg (711) is located at the left end of the X-axis slide rail (101), and the first right support leg (712) is located at the right end of the X-axis slide rail (101). The lower end of the Y-axis slide rail (102) is connected to the base plate (100) via a second support leg (72). The second support leg (72) includes a second front support leg (721) and a second rear support leg (722). The second front support leg (721) is located at the front end of the Y-axis slide rail (102), and the second rear support leg (722) is located at the rear end of the Y-axis slide rail (102).

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