An automatic polishing machine for soft corneal contact lenses

Abstract

The utility model relates to the technical field of polishing machine, the utility model provides a kind of soft corneal contact lens automatic polishing machine, including base, still including grinding seat, fixed mechanism, support frame, support plate, lifting mechanism and rotating mechanism, grinding seat is fixedly arranged on base, the top side wall of grinding seat is opened with positioning slot, fixed mechanism is set on grinding seat, for soft corneal contact lens is fixed in positioning slot, support frame is fixedly arranged on base, and the side wall top end of support frame is fixedly arranged with support shell in grinding seat side, the bottom side wall of support shell is opened with support mouth, support plate is slidably arranged in support shell, and the bottom side wall of support plate is rotatably sealed with support pipe, by the above technical scheme, for solving the technical problem that soft corneal contact lens is prone to deformation in polishing process in the prior art and affects polishing effect.

Description

Technical Field

[0001] This utility model relates to the field of polishing machine technology, specifically to an automatic polishing machine for soft corneal contact lenses. Background Technology

[0002] Soft contact lenses, as optical corrective devices that come into direct contact with the cornea of ​​the eye, have been widely used in vision correction scenarios such as myopia, hyperopia, and astigmatism due to their excellent oxygen permeability, comfort, and fit. They also hold an important position in the adjunctive treatment of corneal diseases and cosmetic applications. With the continued growth in global demand for vision correction and the trend of consumption upgrading, the market is placing increasingly stringent requirements on the production volume, quality precision, and wearing safety of soft lenses.

[0003] Polishing is one of the core and critical processes in the manufacturing of soft contact lenses. Its main function is to precisely process the edges and surfaces of the formed lenses, removing burrs, imperfections, and processing marks generated during the forming process. This ensures that the surface roughness of the lens is controlled at the micron or even nanometer level, while guaranteeing that the smoothness of the lens edges closely matches the designed curvature. The quality of polishing directly determines the wearing comfort of soft contact lenses, as a rough surface or irregular edges can cause a foreign body sensation and dryness during wear. Long-term wear may also lead to corneal abrasion, inflammation, and other eye health problems. In addition, polishing precision also affects the optical performance of the lens, such as refractive accuracy and image quality, thus affecting the vision correction effect. Therefore, the stability and precision of the polishing process are key to ensuring the core competitiveness of soft contact lens products.

[0004] In the existing technology, automatic polishing machines for soft contact lenses generally use mechanical clamps to fix the lens during the polishing process, and then polish the soft contact lens with a polishing head. However, during the polishing process, because the contact lens is soft, the pressure of the polishing head on the lens surface during the clamping process can easily cause the lens to deform, thus affecting the polishing effect. Utility Model Content

[0005] To overcome the above-mentioned defects, this utility model provides an automatic polishing machine for soft contact lenses, which solves the technical problem that soft contact lenses are prone to deformation during the polishing process, thus affecting the polishing effect.

[0006] According to one aspect, at least one embodiment of the present invention provides an automatic polishing machine for soft contact lenses, including a base, a grinding seat, a fixing mechanism, a support frame, a support plate, a lifting mechanism, and a rotating mechanism. The grinding seat is fixedly disposed on the base, and a positioning groove is formed on the top side wall of the grinding seat. The fixing mechanism is disposed on the grinding seat for fixing the soft contact lens in the positioning groove. The support frame is fixedly disposed on the base, and a support housing is fixedly disposed on the top of the side wall of the support frame near the grinding seat. A support opening is formed on the bottom side wall of the support housing. The support plate is slidably disposed in the support housing, and a support tube is rotatably sealed on the bottom side wall of the support plate. A polishing head is fixedly disposed at the bottom end of the support tube. The lifting mechanism is disposed on the support plate for adjusting the height of the polishing head. The rotating mechanism is disposed between the support plate and the support tube for driving the support tube and the polishing head to rotate.

[0007] Preferably, the fixing mechanism includes a first fixing groove, a third fixing groove, and a vacuum pump. The first fixing groove is formed at the bottom of the positioning groove, and an annular second fixing groove is formed on the side wall of the positioning groove. The third fixing groove is connected between the first fixing groove and the second fixing groove. The vacuum pump is set on one side of the base, and the input end of the vacuum pump is connected to the first fixing groove.

[0008] Furthermore, the lifting mechanism includes a tension detector, an electric push rod, and a controller. The tension detector is installed on the bottom side wall of the support plate, and the electric push rod is installed on the inner bottom wall of the support housing. The output end of the electric push rod is fixedly connected to the tension detector. The controller has a display screen and is installed on the support housing. The controller is electrically connected to the electric push rod and the tension detector.

[0009] Furthermore, the rotating mechanism includes a first gear ring, a first gear, and a rotating assembly. The first gear ring is fixedly disposed on the outer wall of the support tube, and the first gear is rotatably disposed on the bottom side wall of the support plate. The first gear meshes with the first gear ring, and the rotating assembly is disposed between the first gear and the support plate for driving the first gear to rotate.

[0010] Furthermore, the rotating assembly includes a first driving port, a second driving port, a driving prism, and a first motor. The first driving port is located on the support plate, and the second driving port is located on the first gear. The first driving port and the second driving port are aligned. The driving prism is rotatably disposed within the support housing and passes through the first driving port and the second driving port. The driving prism and the sidewall of the second driving port are connected by a clearance fit. The first motor is mounted on the support housing, and the output end of the first motor is fixedly connected to the driving prism.

[0011] Based on the above solution, a polishing fluid addition mechanism is also included. The polishing fluid addition mechanism is disposed on the support plate and is used to add polishing fluid to the surface of the soft contact lens through the support tube and the polishing head. The polishing fluid addition mechanism includes a telescopic tube and an arc-shaped groove. The telescopic tube is disposed through the top side wall of the support housing. One end of the telescopic tube near the support plate passes through the support plate and extends into the support tube. The arc-shaped groove is formed on the bottom side wall of the polishing head, and a communication port is provided between the arc-shaped groove and the support tube.

[0012] Based on the above scheme, a drain groove is provided at the top of the side wall of the grinding base, and the drain groove is connected to the positioning groove.

[0013] Based on the above scheme, reinforcing ribs are fixedly installed on the support frame.

[0014] The beneficial effects of the embodiments of this utility model are as follows: 1. In this utility model, through the setting of the fixing mechanism, after the soft corneal contact lens is placed in the positioning groove, the soft corneal contact lens can cover the first fixing groove, the second fixing groove, and the third fixing groove. Then, the first fixing groove, the second fixing groove, and the third fixing groove are evacuated by a vacuum pump, thereby achieving negative pressure adsorption of the soft corneal contact lens, thus fixing the soft corneal contact lens in the positioning groove. At the same time, the positioning groove can support the soft corneal contact lens, thereby preventing the soft corneal contact lens from deforming during the polishing process. 2. In this utility model, by setting up a lifting mechanism, the support plate can be moved by the operation of the electric push rod, and then the polishing head can be pressed against the surface of the soft corneal contact lens by the support tube, and the pressing force can be controlled by the tension detector. 3. In this utility model, by setting up a rotating mechanism, the operation of the first motor can drive the driving prism to rotate, and at the same time, the gap cooperation between the driving prism and the first gear drives the first gear to rotate, and then the meshing between the first gear and the first gear ring drives the support tube and the polishing head to rotate, thereby polishing the soft corneal contact lens through the polishing head; 4. In this utility model, by setting up a polishing liquid adding mechanism, polishing liquid can be added into the support tube through the telescopic tube during the polishing process, and then polishing liquid can be added to the surface of the soft corneal contact lens through the connecting port and the arc-shaped groove, thereby improving the polishing effect. At the same time, the polishing liquid can be drained out through the drain groove, and impurities in the polishing process can be discharged through the flowing polishing liquid, thereby further improving the polishing effect. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this utility model and these drawings without any creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of an automatic polishing machine for soft corneal contact lenses according to one embodiment of the present invention; Figure 2 for Figure 1 A schematic diagram of the support frame in the embodiment; Figure 3 for Figure 1 A schematic diagram of the structure at the fixing mechanism in the embodiment; Figure 4 for Figure 1 A cross-sectional structural schematic diagram of the lifting mechanism in the embodiment; Figure 5 for Figure 1 A cross-sectional structural diagram of the rotating mechanism in the embodiment.

[0017] In the diagram: 1. Base; 2. Grinding seat; 3. Positioning groove; 4. Support frame; 5. Support housing; 6. Support plate; 7. Support tube; 8. Polishing head; 9. First fixing groove; 10. Second fixing groove; 11. Third fixing groove; 12. Vacuum pump; 13. Tensile detector; 14. Electric push rod; 15. Controller; 16. First gear ring; 17. First gear; 18. First drive port; 19. Second drive port; 20. Drive prism; 21. First motor; 22. Telescopic tube; 23. Arc groove; 24. Connecting port; 25. Drainage groove. Detailed Implementation The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit its scope.

[0018] To keep the drawings concise, only the parts relevant to the utility model are shown schematically in each drawing; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of the components with the same structure or function is schematically shown, or only one is labeled. In this document, "a" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0019] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0021] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] like Figures 1-5The diagram illustrates an automatic polishing machine for soft contact lenses according to an embodiment of the present invention. It includes a base 1, a grinding seat 2, a fixing mechanism, a support frame 4, a support plate 6, a lifting mechanism, and a rotating mechanism. The grinding seat 2 is fixedly mounted on the base 1, and a positioning groove 3 is formed on the top sidewall of the grinding seat 2. The fixing mechanism is mounted on the grinding seat 2 to fix the soft contact lens within the positioning groove 3. The support frame 4 is fixedly mounted on the base 1, and a support housing 5 is fixedly mounted on the top of the sidewall of the support frame 4 near the grinding seat 2. A support opening is formed on the bottom sidewall of the support housing 5. The support plate 6 is slidably mounted within the support housing 5. A support tube 7 is rotatably sealed on the bottom sidewall of the support plate 6, passing through the support opening. A polishing head 8 is fixedly mounted at the bottom end of the support tube 7. The lifting mechanism is mounted on the support plate 6 to adjust the height of the polishing head 8. The rotating mechanism is located between the support plate 6 and the support tube 7 to drive the support tube 7 and the polishing head 8 to rotate. Reinforcing ribs are fixedly mounted on the support frame 4.

[0024] Reference Figures 1-3 The fixing mechanism includes a first fixing groove 9, a third fixing groove 11, and a vacuum pump 12. The first fixing groove 9 is located at the bottom of the positioning groove 3. A second fixing groove 10 is formed on the side wall of the positioning groove 3. The third fixing groove 11 is connected between the first fixing groove 9 and the second fixing groove 10. The vacuum pump 12 is located on one side of the base 1. The input end of the vacuum pump 12 is connected to the first fixing groove 9. Specifically, after the soft corneal contact lens is placed in the positioning groove 3, the soft corneal contact lens can cover the first fixing groove 9, the second fixing groove 10, and the third fixing groove 11. Then, the vacuum pump 12 evacuates the first fixing groove 9, the second fixing groove 10, and the third fixing groove 11, thereby creating negative pressure adsorption for the soft corneal contact lens. This achieves the fixing of the soft corneal contact lens in the positioning groove 3. At the same time, the positioning groove 3 can support the soft corneal contact lens, thereby preventing deformation of the soft corneal contact lens during the polishing process.

[0025] Reference Figure 4 and Figure 5 The lifting mechanism includes a tension detector 13, an electric push rod 14, and a controller 15. The tension detector 13 is installed on the bottom side wall of the support plate 6, and the electric push rod 14 is installed on the inner bottom wall of the support housing 5. The output end of the electric push rod 14 is fixedly connected to the tension detector 13. The controller 15 has a display screen and is installed on the support housing 5. The controller 15 is electrically connected to the electric push rod 14 and the tension detector 13. Specifically, the operation of the electric push rod 14 can drive the support plate 6 to move, which in turn drives the polishing head 8 to press against the surface of the soft corneal contact lens through the support tube 7. The tension detector 13 can then control the pressing force.

[0026] Reference Figure 4 and Figure 5 The rotating mechanism includes a first gear ring 16, a first gear 17, and a rotating assembly. The first gear ring 16 is fixedly mounted on the outer wall of the support tube 7, and the first gear 17 is rotatably mounted on the bottom side wall of the support plate 6. The first gear 17 meshes with the first gear ring 16. The rotating assembly is located between the first gear 17 and the support plate 6 and is used to drive the first gear 17 to rotate. The rotating assembly includes a first drive port 18, a second drive port 19, a drive prism 20, and a first motor 21. The first drive port 18 is located on the support plate 6, and the second drive port 19 is located on the first gear 17. The first drive port 18 and the second drive port 19 are aligned, driving the prism 20 to rotate. The drive prism 20 is installed inside the support housing 5 and passes through the first drive port 18 and the second drive port 19. The sidewalls of the drive prism 20 and the second drive port 19 are connected by a clearance fit. The first motor 21 is installed on the support housing 5 and the output end of the first motor 21 is fixedly connected to the drive prism 20. Specifically, the operation of the first motor 21 can drive the drive prism 20 to rotate. At the same time, the drive prism 20 drives the first gear 17 to rotate through the clearance fit between the drive prism 20 and the first gear 17. Then, the meshing of the first gear 17 with the first gear ring 16 drives the support tube 7 and the polishing head 8 to rotate, thereby polishing the soft corneal contact lens through the polishing head 8.

[0027] Reference Figure 5 It also includes a polishing fluid addition mechanism, which is mounted on the support plate 6. This mechanism adds polishing fluid to the surface of the soft contact lens via the support tube 7 and the polishing head 8. The polishing fluid addition mechanism includes a telescopic tube 22 and an arc-shaped groove 23. The telescopic tube 22 is installed through the top side wall of the support housing 5, with one end of the telescopic tube 22 penetrating the support plate 6 and extending into the support tube 7. The bottom side wall of the polishing head 8 has an arc-shaped groove 23, and a connecting port 24 connects the arc-shaped groove 23 to the support tube 7. The top side wall of the grinding seat 2 has a drain groove 25, which connects to the positioning groove 3. Specifically, during the polishing process, polishing fluid can be added to the support tube 7 via the telescopic tube 22, and then added to the surface of the soft contact lens via the connecting port 24 and the arc-shaped groove 23, thereby improving the polishing effect. Simultaneously, the polishing fluid can be drained through the drain groove 25, allowing impurities from the polishing process to be discharged, further enhancing the polishing effect.

[0028] In this embodiment, during use, after the operator places the soft corneal contact lens in the positioning groove 3, the soft corneal contact lens can cover the first fixing groove 9, the second fixing groove 10, and the third fixing groove 11. Then, the vacuum pump 12 evacuates the first fixing groove 9, the second fixing groove 10, and the third fixing groove 11, thereby creating negative pressure adsorption for the soft corneal contact lens, thus fixing the soft corneal contact lens in the positioning groove 3. At the same time, the positioning groove 3 supports the soft corneal contact lens, thereby preventing deformation of the soft corneal contact lens during polishing. Then, the operator controls the electric push rod 14 to work, which drives the support plate 6 to move, thereby driving the polishing head 8 to press against the surface of the soft corneal contact lens through the support tube 7, and then the tensile force is tested. Device 13 controls the holding force, and then the operator controls the first motor 21 to work. The operation of the first motor 21 can drive the drive prism 20 to rotate. At the same time, through the clearance cooperation between the drive prism 20 and the first gear 17, the first gear 17 is driven to rotate. Then, through the meshing of the first gear 17 and the first gear ring 16, the support tube 7 and the polishing head 8 are driven to rotate. Thus, the polishing head 8 polishes the soft corneal contact lens. During the polishing process, polishing fluid can be added into the support tube 7 through the telescopic tube 22, and then added to the surface of the soft corneal contact lens through the connecting port 24 and the arc groove 23, thereby improving the polishing effect. At the same time, the polishing fluid can be discharged through the drainage groove 25, and the impurities in the polishing process can be discharged through the flowing polishing fluid, thereby further improving the polishing effect.

[0029] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An automatic polishing machine for soft contact lenses, comprising a base (1), characterized in that, Also includes: Grinding seat (2), the grinding seat (2) is fixedly mounted on the base (1), and the top side wall of the grinding seat (2) is provided with a positioning groove (3); A fixing mechanism is provided on the grinding seat (2) for fixing the soft corneal contact lens in the positioning groove (3); Support frame (4), the support frame (4) is fixedly installed on the base (1), and a support housing (5) is fixedly installed on the top of the side wall of the support frame (4) near the grinding seat (2), and a support opening is provided on the bottom side wall of the support housing (5); Support plate (6), the support plate (6) is slidably disposed in the support housing (5), the bottom side wall of the support plate (6) is provided with a support tube (7) for rotational sealing, and the bottom end of the support tube (7) is fixedly provided with a polishing head (8). A lifting mechanism is provided on the support plate (6) for adjusting the height of the polishing head (8); A rotating mechanism is provided between the support plate (6) and the support tube (7) to drive the support tube (7) and the polishing head (8) to rotate.

2. The automatic polishing machine for soft contact lenses according to claim 1, characterized in that, The fixing mechanism includes: The first fixing groove (9) is formed at the bottom of the positioning groove (3), and the side wall of the positioning groove (3) is provided with an annular second fixing groove (10). The third fixing groove (11) is provided between the first fixing groove (9) and the second fixing groove (10). A vacuum pump (12) is disposed on one side of the base (1), and the input end of the vacuum pump (12) is connected to the first fixed groove (9).

3. The automatic polishing machine for soft contact lenses according to claim 2, characterized in that, The lifting mechanism includes: A tension detector (13) is mounted on the bottom sidewall of the support plate (6); An electric push rod (14) is installed on the inner bottom wall of the support housing (5), and the output end of the electric push rod (14) is fixedly connected to the tension detector (13). The controller (15) has a display screen and is mounted on the support housing (5). The controller (15) is electrically connected to the electric push rod (14) and the tension detector (13).

4. The automatic polishing machine for soft contact lenses according to claim 3, characterized in that, The rotating mechanism includes: The first toothed ring (16) is fixedly disposed on the outer wall of the support tube (7); The first gear (17) is rotatably mounted on the bottom side wall of the support plate (6), and the first gear (17) meshes with the first gear ring (16); A rotating assembly is disposed between the first gear (17) and the support plate (6) for driving the first gear (17) to rotate.

5. An automatic polishing machine for soft contact lenses according to claim 4, characterized in that, The rotating assembly includes: The first drive port (18) is opened on the support plate (6); The second drive port (19) is opened on the first gear (17), and the first drive port (18) is aligned with the second drive port (19); A driving prism (20) is rotatably disposed inside the support housing (5). The driving prism (20) passes through the first driving port (18) and the second driving port (19). The driving prism (20) and the side wall of the second driving port (19) are connected by a clearance fit. The first motor (21) is mounted on the support housing (5), and the output end of the first motor (21) is fixedly connected to the driving prism (20).

6. The automatic polishing machine for soft contact lenses according to claim 5, characterized in that, It also includes a polishing fluid addition mechanism, which is disposed on the support plate (6) and is used to add polishing fluid to the surface of the soft contact lens through the support tube (7) and the polishing head (8). The polishing fluid addition mechanism includes: Telescopic tube (22), the telescopic tube (22) is disposed through the top side wall of the support housing (5), and one end of the telescopic tube (22) near the support plate (6) passes through the support plate (6) and extends into the support tube (7); The arc-shaped groove (23) is provided on the bottom side wall of the polishing head (8), and a communication port (24) is provided between the arc-shaped groove (23) and the support tube (7).

7. An automatic polishing machine for soft contact lenses according to claim 6, characterized in that, The grinding seat (2) has a drain groove (25) at the top of its side wall, and the drain groove (25) is connected to the positioning groove (3).

8. An automatic polishing machine for soft contact lenses according to claim 7, characterized in that, The support frame (4) is fixedly provided with reinforcing ribs.

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