Spectacle lens processing clamp

Abstract

The utility model relates to the technical field of spectacle lens machining, in particular to a spectacle lens machining clamp which comprises a machining table, a stand column is fixedly connected to the machining table, a connecting base is arranged above the stand column, a vacuum suction pipe is installed on the connecting base, a discharging disc is installed on the top of the vacuum suction pipe, and an electromagnetic plate is installed in an installation groove in the top of the discharging disc. A rubber air bag is installed on the discharging disc, magnetorheological fluid is poured into the rubber air bag, and an adsorption channel which penetrates through the discharging disc and is communicated with the vacuum suction pipe is formed in the rubber air bag. The lenses are pressed on the rubber air bags, magnetorheological fluid in the rubber air bags is extruded to flow, the rubber air bags are completely attached to the lenses, then the electromagnetic plates are powered on to generate a magnetic field, and the magnetorheological fluid in the rubber air bags is converted into a solid-like state, so that the lenses with different specifications and shapes are perfectly attached; and suction force is generated through the vacuum suction pipe, the lens is firmly adsorbed, the lens is prevented from being scratched in a mechanical clamping mode, and the universality of the clamp is improved.

Description

Technical Field

[0001] This utility model relates to the field of spectacle lens processing technology, and in particular to a spectacle lens processing fixture. Background Technology

[0002] In the field of modern optics, eyeglass lenses are important optical components for correcting vision and protecting against light, and their manufacturing precision directly affects the wearer's visual experience and comfort.

[0003] Traditional clamps typically employ rigid clamping structures, directly contacting the lens surface for fixation. However, rigid clamps are prone to scratching the lens surface during clamping due to uneven clamping force distribution, sharp jaw edges, or assembly tolerance issues. Furthermore, mechanical clamping relies on direct contact between the clamp and the lens, making the clamping area a "non-processing area." In processes like grinding and polishing, which require high precision across the entire lens surface, the presence of the clamping area directly limits the integrity of the processing area, making it difficult to achieve uniform surface treatment and affecting the final processing accuracy and effect. In addition, current eyeglass lenses come in a wide variety of shapes and curvatures, while traditional mechanical clamps are mostly designed for specific shapes or sizes, lacking adaptability. When faced with irregularly shaped lenses or standard lenses with different curvatures, traditional clamps struggle to quickly switch between them. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a lens processing fixture that solves the technical problems of traditional fixtures easily scratching the lens surface, having non-processing areas that affect processing integrity, and having poor adaptability.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a lens processing fixture, including a processing table, a column fixedly connected to the processing table, a connecting seat above the column, a vacuum suction tube installed on the connecting seat, a feeding tray installed on the top of the vacuum suction tube, an electromagnetic plate installed in the mounting groove on the top of the feeding tray, a rubber airbag installed on the feeding tray, and the rubber airbag filled with magnetorheological fluid, and an adsorption channel through the feeding tray and communicating with the vacuum suction tube is opened on the rubber airbag, and a support component is provided in the adsorption channel to prevent itself from being squeezed and deformed, and an adjustment component is provided on the connecting seat to drive the lens to rotate and adjust the angle.

[0006] A further improvement is that the support assembly includes a fixed sleeve installed on the inner wall of the adsorption channel, and flexible springs are installed in a ring array inside the fixed sleeve. A sliding sleeve that slides inside the fixed sleeve is installed on the top of the flexible springs.

[0007] A further improvement is that the adsorption channel includes a main channel located at the center of the rubber airbag and a secondary channel located in a ring outside the main channel, with a connecting tube installed on the secondary channel, the end of which is connected to a vacuum tube.

[0008] A further improvement is that a connecting cavity is provided inside the connecting seat, the vacuum suction tube is rotatably connected to the connecting cavity, a vacuum pump is installed on the processing table, and a negative pressure tube with its end communicating with the connecting cavity is installed at the vacuum pump suction port.

[0009] A further improvement is that the adjustment assembly includes a ball head seat installed on the top of the column, a ball head rod rotatably connected inside the ball head seat, and the top of the ball head rod is connected to the connecting seat. Locking bolts are threaded on both sides of the ball head seat, and a rotating structure for driving the lens to rotate for processing is provided on the connecting seat.

[0010] A further improvement is that the rotating structure includes a main gear mounted on a vacuum suction tube, a moving gear meshing with the main gear, and a drive motor for driving the moving gear to rotate installed in the connecting seat.

[0011] A further improvement is that a controller is installed on the processing table, and the electromagnetic plate, vacuum pump and drive motor are all electrically connected to the controller.

[0012] By employing the above technical solution, this utility model provides a jig for processing eyeglass lenses, which has at least the following beneficial effects:

[0013] 1. This utility model presses the lens onto a rubber airbag, squeezing the magnetorheological fluid inside to make the airbag completely adhere to the lens. Then, an electromagnetic plate is energized to generate a magnetic field, causing the magnetorheological fluid inside the airbag to transform from liquid to near-solid, thus perfectly fitting lenses of different sizes and shapes. A vacuum suction tube generates suction force, which is transmitted to the lens through an adsorption channel, thereby firmly adsorbing the lens. This avoids scratching the lens by mechanical clamping and eliminates problems in non-processed areas, improving the versatility of the fixture.

[0014] 2. When the lens is squeezed by the rubber air bladder, the sliding sleeve slides into the fixed sleeve under force and compresses the flexible spring. Thus, the cooperation between the fixed sleeve and the sliding sleeve keeps the adsorption channel unobstructed and avoids blockage of the adsorption channel, which would affect the vacuum adsorption and fixation of the lens.

[0015] 3. This utility model provides the main adsorption force through the main channel, and forms multiple adsorption points on the edge of the lens in conjunction with the secondary channel, thereby improving the adsorption and fixation effect on the lens.

[0016] 4. This utility model adjusts the angle by rotating the ball head rod inside the ball head seat, and fixes the adjusted angle with the locking bolt. Then, the drive motor drives the moving gear to rotate, which in turn drives the main gear meshing with the moving gear to rotate, thereby driving the vacuum suction tube to rotate in the connecting cavity, thereby driving the adsorbed lens to rotate for multi-angle processing. Attached Figure Description

[0017] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.

[0018] In the attached diagram:

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram showing the disassembled vacuum adsorption structure of this utility model;

[0021] Figure 3 This is a cross-sectional view of the internal structure of the rubber airbag and fixing sleeve of this utility model;

[0022] Figure 4 This is a cross-sectional view of the internal structure of the connector of this utility model.

[0023] In the diagram: 1. Processing table; 2. Column;

[0024] 3. Connecting base; 4. Vacuum suction tube; 5. Feeding tray; 6. Electromagnetic plate; 7. Rubber air bag;

[0025] 8. Adsorption channel; 81. Main channel; 82. Secondary channel; 83. Connecting straw;

[0026] 9. Support assembly; 91. Fixed sleeve; 92. Flexible spring; 93. Sliding sleeve;

[0027] 10. Adjustment assembly; 101. Ball joint seat; 102. Ball joint rod; 103. Locking bolt;

[0028] 104. Rotating structure; 1041. Main gear; 1042. Moving gear; 1043. Drive motor;

[0029] 111. Connecting cavity; 112. Vacuum pump; 113. Negative pressure pipe;

[0030] 12. Controller. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Example 1

[0033] Addressing the issues of traditional clamps easily scratching lens surfaces, creating non-processed areas that affect processing integrity, and poor adaptability, this embodiment provides a lens processing clamp that can adsorb and fix lenses of different sizes and shapes, avoiding mechanical clamping that could scratch the lenses, eliminating non-processed areas, and improving the clamp's versatility. Please refer to... Figures 1-4 The spectacle lens processing fixture includes a processing table 1, a column 2 fixedly connected to the processing table 1, a connecting seat 3 above the column 2, a vacuum suction tube 4 mounted on the connecting seat 3, a feeding tray 5 mounted on the top of the vacuum suction tube 4, an electromagnetic plate 6 mounted in a groove on the top of the feeding tray 5, a rubber airbag 7 mounted on the feeding tray 5, and the rubber airbag 7 filled with magnetorheological fluid. The rubber airbag 7 has an adsorption channel 8 that penetrates the feeding tray 5 and communicates with the vacuum suction tube 4. A support component 9 is provided in the adsorption channel 8 to prevent it from being squeezed and deformed. The connecting seat 3 is equipped with a mechanism to drive the lens rotation. The system includes an adjustment component 10 for angle adjustment. The lens is pressed onto the rubber airbag 7, which compresses the magnetorheological fluid inside, causing the rubber airbag 7 to completely adhere to the lens. Then, the electromagnetic plate 6 is energized to generate a magnetic field, causing the magnetorheological fluid inside the rubber airbag 7 to transform from liquid to near-solid, thus perfectly fitting lenses of different sizes and shapes. A suction force is then generated by the vacuum suction tube 4 and transmitted to the lens through the adsorption channel 8, thereby firmly adsorbing the lens. This avoids scratching the lens by mechanical clamping and eliminates problems in non-processed areas, improving the versatility of the fixture.

[0034] Since the adsorption channel 8 may deform or even become blocked when the lens is squeezed and adhered to the rubber airbag 7, the device is also equipped with a support component 9. The support component 9 includes a fixed sleeve 91 installed on the inner wall of the adsorption channel 8. Flexible springs 92 are installed in a ring array inside the fixed sleeve 91. A sliding sleeve 93 is installed on the top of the flexible springs 92 and slides inside the fixed sleeve 91. When the lens squeezes the rubber airbag 7, the sliding sleeve 93 slides into the fixed sleeve 91 under force and compresses the flexible springs 92. Thus, the adsorption channel 8 is always kept unobstructed through the cooperation of the fixed sleeve 91 and the sliding sleeve 93, so as to avoid the adsorption channel 8 being blocked and affecting the vacuum adsorption and fixation of the lens.

[0035] To enhance the adsorption effect on the lens edge area, the adsorption channel 8 in this device includes a main channel 81 located in the center of the rubber airbag 7, and a secondary channel 82 located in a ring outside the main channel 81. A connecting tube 83 with its end connected to the vacuum tube 4 is installed on the secondary channel 82. The main adsorption force is provided by the main channel 81, and multiple adsorption points are formed at the lens edge in conjunction with the secondary channel 82, thereby improving the adsorption and fixation effect on the lens.

[0036] The connecting seat 3 has a connecting cavity 111. The vacuum suction tube 4 is rotatably connected to the connecting cavity 111. The processing table 1 is equipped with a vacuum pump 112. The vacuum pump 112 has a negative pressure tube 113 at its suction port that communicates with the connecting cavity 111. When the vacuum pump 112 is started, the vacuum suction force is transmitted to the connecting cavity 111 through the negative pressure tube 113. Then, the vacuum suction force generated by the vacuum suction tube 4 is used to vacuum adsorb and fix the lens.

[0037] A controller 12 is installed on the processing table 1. The electromagnetic plate 6, vacuum pump 112 and drive motor 1043 are all electrically connected to the controller 12, and the normal operation of the device is controlled by the controller 12.

[0038] Example 2

[0039] Based on Example 1, such as Figures 1-4 As shown, since the angle of the lens needs to be adjusted during processing, the device is also equipped with an adjustment component 10. The adjustment component 10 includes a ball head seat 101 installed on the top of the column 2. A ball head rod 102 is rotatably connected inside the ball head seat 101, and the top of the ball head rod 102 is connected to the connecting seat 3. Locking bolts 103 are threadedly connected to both sides of the ball head seat 101. A rotating structure 104 is provided on the connecting seat 3 to drive the lens to rotate for processing. Loosen the locking bolts 103, and according to actual needs, move the ball head rod 102 to rotate inside the ball head seat 101 to adjust the angle. After the angle adjustment is completed, tighten the locking bolts 103 to make it abut against the ball head rod 102, thereby fixing the ball head rod 102 inside the ball head seat 101, realizing the adjustment and fixation of the angle, which is more convenient for processing.

[0040] In the process of lens processing, it is often necessary to rotate the lens for grinding, polishing and other steps. Therefore, the device is also equipped with a rotating structure 104. The rotating structure 104 includes a main gear 1041 mounted on the vacuum suction tube 4. A moving gear 1042 is meshed on the main gear 1041. A drive motor 1043 is installed in the connecting seat 3 to drive the moving gear 1042 to rotate. When the drive motor 1043 is started, it drives the moving gear 1042 to rotate, which in turn drives the main gear 1041 meshed with the moving gear 1042 to rotate, thereby driving the vacuum suction tube 4 to rotate in the communicating cavity 111, thereby driving the lens being suctioned to rotate for processing.

[0041] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A spectacle lens processing fixture, comprising a processing table (1), characterized in that: A column (2) is fixedly connected to the processing table (1). A connecting seat (3) is provided above the column (2). A vacuum suction tube (4) is installed on the connecting seat (3). A feeding tray (5) is installed on the top of the vacuum suction tube (4). An electromagnetic plate (6) is installed in the groove on the top of the feeding tray (5). A rubber air bag (7) is installed on the feeding tray (5). The rubber air bag (7) is filled with magnetorheological fluid. An adsorption channel (8) is opened on the rubber air bag (7) that passes through the feeding tray (5) and communicates with the vacuum suction tube (4). A support component (9) is provided in the adsorption channel (8) to prevent itself from being squeezed and deformed. An adjustment component (10) is provided on the connecting seat (3) to drive the lens to rotate and adjust the angle.

2. The spectacle lens processing fixture according to claim 1, characterized in that: The support assembly (9) includes a fixed sleeve (91) installed on the inner wall of the adsorption channel (8), and flexible springs (92) are installed in a ring array inside the fixed sleeve (91). A sliding sleeve (93) is installed on the top of the flexible springs (92) and slides inside the fixed sleeve (91).

3. The spectacle lens processing fixture according to claim 1, characterized in that: The adsorption channel (8) includes a main channel (81) located in the center of the rubber airbag (7) and a secondary channel (82) located in a ring outside the main channel (81). A connecting tube (83) with its end connected to the vacuum tube (4) is installed on the secondary channel (82).

4. The spectacle lens processing fixture according to claim 1, characterized in that: The connecting seat (3) has a connecting cavity (111) and a vacuum suction tube (4) is rotatably connected to the connecting cavity (111). A vacuum pump (112) is installed on the processing table (1). The vacuum pump (112) has a negative pressure tube (113) with its end connected to the connecting cavity (111) installed at its suction port.

5. A spectacle lens processing fixture according to claim 4, characterized in that: The adjustment assembly (10) includes a ball head seat (101) installed on the top of the column (2), a ball head rod (102) is rotatably connected inside the ball head seat (101), and the top of the ball head rod (102) is connected to the connecting seat (3). Locking bolts (103) are threaded on both sides of the ball head seat (101), and a rotating structure (104) for driving the lens to rotate for processing is provided on the connecting seat (3).

6. A spectacle lens processing fixture according to claim 5, characterized in that: The rotating structure (104) includes a main gear (1041) mounted on the vacuum suction tube (4), a moving gear (1042) meshing with the main gear (1041), and a drive motor (1043) for driving the moving gear (1042) to rotate is installed in the connecting seat (3).

7. A spectacle lens processing fixture according to claim 6, characterized in that: A controller (12) is installed on the processing table (1), and the electromagnetic plate (6), vacuum pump (112) and drive motor (1043) are all electrically connected to the controller (12).

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