Scratch repair machine for lenses

Abstract

The application discloses a scratch repair machine for lenses, which comprises a frame body, a grinding cylinder with a top opening is arranged on the frame body, a grinding head is arranged in the grinding cylinder and rotates upward, and a cooling pipe is arranged on the frame body and is close to the grinding head. When the lens is ground, the lens is clamped to achieve positioning, which solves the safety hidden danger caused by the unstable contact between the lens and the grinding head when the lens is directly held by hand, and effectively avoids the problem of excessive grinding of the lens and the unqualified waste of the lens. Meanwhile, the repair machine can realize the left and right movement and the overturning of the lens, realize the grinding operation of the non-planar lens, and improve the applicability of the repair machine.

Description

Technical Field

[0001] This application relates to the field of lens refining technology, and in particular to a lens scratch repair machine. Background Technology

[0002] Lenses, in general, refer to eyeglass lenses, primarily used for vision correction, eye protection, or as fashion accessories. However, in industry, lenses have a wider range of applications. For example, in optical instruments such as microscopes, telescopes, and lasers, lenses are used to focus, magnify, disperse, reflect, and refract light, enabling the observation, measurement, and analysis of samples or targets. In photography and videography, lenses are a core component of cameras and camcorders, used to adjust the angle of incidence and focusing distance of light to obtain clear, sharp images and videos. They are also used in laser processing, the automotive industry, and other fields. With continuous technological advancements, the applications of lenses will continue to expand and innovate.

[0003] Currently, lens processing is done in batches, mainly including material selection, mold making, casting, mold opening and finishing, grinding and polishing, coating treatment, and inspection. However, in actual processing, due to various reasons such as clamping and transferring multiple lenses, the processed lenses may have scratches, requiring rework to resolve the impact of scratches on the later use of the lenses.

[0004] Currently, there are two main methods for repairing lens scratches. One is manual repair using specialized abrasives and polishing cloths; the other is repair using machinery, such as manual repair by an operator holding the lens on a polishing machine (or grinding wheel). Since the polishing wheel (or polishing head) is usually exposed to the outside of the machine and rotates at high speed during the polishing process, there are significant operational safety hazards. At the same time, because lenses are high-precision products, the instability of manual operation can lead to over-polishing of the lens during scratch repair, especially for curved lenses, which can affect their optical performance and easily cause the lens to be unqualified and discarded, increasing the lens manufacturing cost. Summary of the Invention

[0005] To address the aforementioned problems, this application aims to provide a lens scratch repair machine that can clamp the lens and achieve a certain positioning function, thereby solving the safety hazards caused by the instability of manual handling and contact with the grinding head, and effectively avoiding the problem of over-grinding and causing the lens to be defective and discarded.

[0006] To achieve the above objectives, the technical solution adopted in this application is as follows: a lens scratch repair machine, characterized in that: the repair machine includes a frame, a grinding cylinder with a top opening is provided on the frame, a grinding head is rotatably provided inside the grinding cylinder, and a cooling pipe with an opening close to the grinding head is also provided on the frame.

[0007] Preferably, a support frame is installed inside the grinding cylinder. The support frame includes a support ring and telescopic rods that are circumferentially spaced on the outer wall of the support ring and abut against the inner wall of the grinding cylinder. The lens is mounted on the support ring and contacts the grinding head.

[0008] Preferably, an adjusting ring for clamping the lens is provided inside the support ring. The outer wall of the adjusting ring is provided with elastic members that are connected to the inner wall of the support ring at intervals, and fastening bolts for clamping the lens are also provided at intervals on the outer wall of the adjusting ring.

[0009] Preferably, the top side of the adjustment ring also extends upwards with a gripping ring that drives its movement.

[0010] The beneficial effects of this application are as follows: When refinishing lenses, the rework machine designed in this application can achieve a certain positioning function after clamping the lens, solving the safety hazards caused by the instability and contact with the refinishing head when manually holding the lens, and effectively avoiding the problem of over-refining and resulting in defective and discarded lenses. At the same time, this rework machine can move the lens left and right and flip it, enabling refinishing operations on non-planar lenses and improving the applicability of the rework machine. Attached Figure Description

[0011] Figure 1 This is a front view structural diagram of the scratch repair machine for this application.

[0012] Figure 2 For this application Figure 1 Cross-sectional structural diagram at point A in the middle.

[0013] Figure 3 This is a plan view of the support frame structure for this application.

[0014] Figure 4 This is a diagram showing the lens assembled inside the support frame of this application.

[0015] Figure 5 The illustration shows the support frame being assembled inside the grinding cylinder for this application.

[0016] Figure 6 For the purpose of this application Figure 5 Diagram showing lens assembly on the base.

[0017] Figure 7 This is a diagram illustrating the lens grinding process in this application.

[0018] Figure 8 This diagram illustrates the movement of the lens left and right during the grinding process of this application.

[0019] Figure 9 This illustration shows the process of rotating the lens left and right during the grinding process of this application.

[0020] Figure 10This illustration shows a gripping part provided on the top side of the adjusting ring in this application.

[0021] In the diagram: 8 - tension spring; 9 - lens. Detailed Implementation

[0022] To enable those skilled in the art to better understand the technical solutions of this application, the technical solutions of this application will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] See attached document Figures 1-10 The invention discloses a lens scratch repair machine, which includes a frame 1, preferably welded from square tubing. A grinding cylinder 2 with a top opening is mounted on the frame 1, and a grinding head 3 is rotatably mounted inside the grinding cylinder 2. The grinding cylinder 2 of this invention can externally enclose the grinding head 3. During lens repair operations, the lens is inserted into the grinding cylinder 2 and comes into contact with the rotating grinding head 3, improving operational safety. Furthermore, if the polishing wheel breaks due to uneven force, the grinding cylinder 2 effectively prevents breakage, thus addressing the significant safety hazard posed by high-speed splashing of exposed polishing wheels after breakage.

[0024] To avoid the high-temperature effects on both the polishing head 3 and the lens caused by the heat generated during high-speed polishing due to high-speed contact, such as... Figure 2 As shown, a cooling pipe 4 with an opening close to the grinding head 3 is also installed on the frame 1. During the grinding process, coolant is continuously sprayed onto the lens and the grinding head 3 to cool them down and avoid the impact of temperature during high-speed grinding.

[0025] To avoid potential safety hazards caused by unstable factors during manual operation and possible contact with the grinding head 3, such as... Figure 3-6 As shown, this application assembles a support frame 5 inside the grinding cylinder 2. The support frame 5 includes a support ring 51 and telescopic rods 52 that are circumferentially spaced on the outer wall of the support ring 51 and abut against the inner wall of the grinding cylinder 2. The lens is assembled on the support ring 51 and contacts the grinding head 3. Preferably, a rubber ring (not shown in the figure) can be provided on the inner wall of the support ring 51. The lens is embedded into the rubber ring for assembly. Then, the support frame 5 is embedded into the grinding cylinder 2 and lowered, so that the bottom surface (grinding surface) of the lens contacts the grinding head 3. Then, the telescopic rod 52 (preferably a threaded telescopic rod) abuts against the inner wall of the grinding cylinder 2 to achieve the positioning of the support frame 5 and the lens. Then, the grinding head 3 is started to rotate. Under the action of the operator, the upper surface of the lens is driven to contact the surface of the grinding head 3 for grinding operation. Thus, the support frame 5 and the support ring 51 can effectively prevent the operator from contacting the grinding head 3, thus avoiding safety issues.

[0026] When the lens has a curved structure, the lens usually needs to be flipped in different directions during the grinding process. Therefore, in order to further realize the grinding operation of curved lenses, such as Figure 3 As shown, an adjusting ring 6 for clamping the lens is provided inside the support ring 51. Elastic components (preferably tension springs 8 or elastic ropes) are spaced on the outer wall of the adjusting ring 6 to contact the inner wall of the support ring 51. Fastening bolts 7 for clamping the lens are also spaced on the outer wall of the adjusting ring 6. When clamping the lens, the lens is inserted into the adjusting ring 6, and the lens is clamped and secured to the adjusting ring 6 by rotating the multiple fastening bolts 7 and contacting their sides. Then, the support frame 5 is lowered so that when the bottom surface of the lens contacts the grinding head 3, the support rod 52 abuts against the inner wall of the grinding cylinder 2, achieving a secure assembly. Next, the grinding head 3 is activated to grind the scratches on the bottom surface of the lens. When the lens needs to be flipped, the adjusting ring 6 is driven, overcoming the force of the tension springs. Figure 8 As shown, when the lens is moved left or right (to the right), the right-side tension spring is compressed, while the left-side tension spring is stretched, causing the adjusting ring 6 and the lens to move to the right relative to the grinding head 3 for grinding. When the lens needs to be flipped left or right, it is as follows... Figure 9 As shown, when the operator drives the lens to flip to the right by adjusting ring 6, the tension spring on the right flips downward accordingly, while the tension spring on the left stretches upward accordingly, thus realizing the smooth flipping of the lens and the grinding operation along the curved surface of the lens, as well as providing auxiliary support for the operator, effectively improving the convenience and applicability of lens grinding operation.

[0027] To facilitate the operator's control of the adjusting ring 6, such as... Figure 10 As shown, a grip ring 61 extends upward from the top side of the adjustment ring 6 to drive its movement. The grip ring 61 extends the top side of the adjustment ring 6 upward, increasing the grip area for the operator, thereby facilitating the operator's left and right movement and flipping of the lens.

[0028] The principle of this application is as follows: When performing the polishing operation for scratches on the lens surface, the lens is embedded into the adjusting ring 6, and the lens is clamped and secured to the adjusting ring 6 by rotating multiple fastening bolts 7 to contact the side of the lens. Then, the support frame 5 is lowered so that when the bottom surface of the lens contacts the polishing head 3, the support rod 52 abuts against the inner wall of the polishing cylinder 2 to achieve a tight assembly. Next, the polishing head 3 is started to polish the scratches on the bottom surface of the lens.

[0029] When the lens needs to be flipped, the adjusting ring 6 is driven, overcoming the force of the tension spring. Moving the lens left or right (to the right) compresses the right-side tension spring and stretches the left-side tension spring, causing the adjusting ring 6 and the lens to move to the right relative to the grinding head 3 for grinding. When the lens needs to be flipped left or right, the operator drives the lens to the right using the adjusting ring 6. The right-side tension spring flips downwards accordingly, while the left-side tension spring stretches upwards, allowing for smooth lens flipping and grinding along the lens's curved surface. This effectively improves the convenience and applicability of lens grinding operations.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this application. Various changes and modifications may be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims.

Claims

1. A scratch repair machine for lenses, characterized in that: The repair machine comprises a frame (1), a grinding cylinder (2) with a top opening is arranged on the frame (1), a grinding head (3) is arranged in the grinding cylinder (2) and rotates upward, and a cooling pipe (4) is arranged on the frame (1) and is close to the grinding head (3).

2. The scratch repair machine of claim 1, wherein: A support frame (5) is arranged in the grinding cylinder (2), the support frame (5) comprises a support ring (51), and telescopic rods (52) are arranged on the outer wall of the support ring (51) at intervals in the circumferential direction and abut against the inner wall of the grinding cylinder (2), and a lens is arranged on the support ring (51) and is in contact with the grinding head (3).

3. The scratch repair machine of claim 2, wherein: An adjusting ring (6) for clamping the lens is arranged in the support ring (51), elastic members are arranged on the outer wall of the adjusting ring (6) at intervals and abut against the inner wall of the support ring (51), and fastening bolts (7) for clamping the lens are also arranged on the outer wall of the adjusting ring (6) at intervals.

4. The scratch repair machine of claim 3, wherein: The top side of the adjusting ring (6) further extends upwardly and has a holding ring (61) for driving the adjusting ring (6) to move.

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