Accurate polishing device for mobile phone camera lens

Abstract

The utility model discloses an accurate polishing device for a mobile phone camera lens, which belongs to the technical field of mobile phone camera lens processing equipment and comprises a working rack, a supporting seat frame, a rotary driving mechanism, a main supporting frame, a polishing driving mechanism, a circulating polishing belt, a reversing roller frame structure, a swinging roller frame structure, a swinging driving mechanism and a mechanical arm clamping mechanism, a supporting seat frame is arranged on one side above the working rack, and a rotary driving mechanism is in driving connection with the main supporting frame; the polishing driving mechanism is in driving connection with the circulating polishing belt; the two reversing roller frame structures are arranged on the side face and the top of the supporting seat frame respectively, the swing roller frame structure is movably arranged on one side face of the supporting seat frame, and the circulating polishing belt sequentially penetrates through the reversing roller frame structures and the swing driving mechanism. The swinging driving mechanism is in driving connection with the swinging roller frame structure; and the mechanical arm clamping mechanism is arranged on the other side of the working rack. The mobile phone lens polishing device solves the technical problem of how to improve the convenience of mobile phone lens polishing operation.

Description

Technical Field

[0001] This utility model belongs to the technical field of mobile phone camera lens processing equipment, and in particular relates to a precision polishing device for mobile phone camera lenses. Background Technology

[0002] The camera lens is a key component of a mobile phone camera, significantly impacting the image quality of photos taken with the phone. Generally, camera lenses are made of optical glass or resin. Optical glass lenses offer better image quality but are more expensive and fragile; resin lenses, on the other hand, are less expensive and have better drop resistance. Therefore, in the current mobile phone camera lens market, most lenses are made of resin.

[0003] Specifically, a standard mobile phone camera lens assembly typically consists of multiple lenses. These lenses are precisely arranged and combined to filter out stray light, correct distortion, and improve image quality. Common lens combinations include 1G3P (1 glass + 3 plastic), 5P (5 plastic), or 6P (6 plastic), etc. To ensure that the mobile phone camera lens can filter out stray light such as infrared rays and glare, and to ensure that the light received by the sensor is purer, thereby improving image quality, the mobile phone camera lens usually needs to undergo polishing processing.

[0004] Based on this, Chinese patent CN218254465U discloses a sapphire mobile phone camera lens polishing device; it includes: a housing and a switching plate. A coarse polishing chamber is installed on one side of the housing via a partition, and a fine polishing chamber is installed on the side of the housing near the coarse polishing chamber via a partition. A rotating shaft is installed between the top of the coarse and fine polishing chambers via a bearing. A transmission wheel is installed on the outer surface of the rotating shaft at the top of the housing. Polishing discs are installed at the bottom of the rotating shafts on both sides, and polishing cloths are installed on the lower surfaces of the polishing discs on both sides. A separator is installed in the middle of the bottom of the housing. The technical solution disclosed in this patent solves the problem that existing devices often use a single polishing chamber to polish the lens, requiring switching polishing cloths for coarse and fine polishing, making it impossible to simultaneously perform coarse and fine polishing, resulting in poor polishing efficiency.

[0005] However, the aforementioned mobile phone lens polishing device still suffers from technical problems related to insufficient ease of operation. Specifically, in the actual polishing needs of mobile phone camera lenses, it is usually necessary to repeatedly polish the edges or mirror surfaces of the lens to ensure that the polished lens is sufficiently smooth and flat at multiple preset angles to achieve the required light transmittance. Therefore, during the polishing process of mobile phone camera lenses, the polishing angle of the clamped and limited lens material needs to be repeatedly adjusted to ensure that the lens material meets the design standards such as the required light transmittance. However, the technical solutions disclosed in existing patents can only polish a portion of the lens at one angle after each clamping; if polishing of the side edges or other parts of the lens is required, the lens material needs to be repeatedly disassembled and reassembled; thus, its operational convenience is insufficient. Utility Model Content

[0006] Therefore, it is necessary to provide a precision polishing device for mobile phone camera lenses to address the technical issue of how to improve the convenience of mobile phone lens polishing operations.

[0007] A precision polishing device for mobile phone camera lenses includes: a workbench, a support frame, a rotary drive mechanism, a main support frame, a polishing drive mechanism, a circulating polishing belt, a reversing roller frame structure, a swing roller frame structure, a swing drive mechanism, and a robotic arm clamping mechanism. The support frame is disposed on one side of the workbench, the rotary drive mechanism is disposed on the support frame, the main support frame is disposed above the rotary drive mechanism, and the rotary drive mechanism is drivenly connected to the main support frame. The polishing drive mechanism is disposed on the side of the main support frame and is drivenly connected to the circulating polishing belt. Two reversing roller frame structures are respectively disposed on the side and top of the support frame, and the swing roller frame structure is movably disposed on one side of the support frame. The circulating polishing belt passes sequentially through each reversing roller frame structure and the swing drive mechanism. The swing drive mechanism is disposed on the support frame and is drivenly connected to the swing roller frame structure. The robotic arm clamping mechanism is disposed adjacent to the support frame on the other side of the workbench.

[0008] Furthermore, the rotary drive mechanism includes a rotary drive motor, a rotary coupling, and a shaft structure.

[0009] Furthermore, the rotary drive motor is mounted on the support frame, the rotary coupling is arranged adjacent to the rotary drive motor, the rotary drive motor is driven by the rotary coupling, the rotating shaft structure is powered by the rotary coupling, and the main bearing frame is connected to the rotating shaft structure.

[0010] Furthermore, the polishing drive mechanism includes a polishing drive frame, a polishing drive motor, a gear structure, and a power output roller structure.

[0011] Furthermore, the polishing drive frame is fixedly connected to the lower side of the main support frame, and the polishing drive motor is connected to the polishing drive frame; the gear structure is movably disposed within the polishing drive frame, the polishing drive motor is drivenly connected to the gear structure, and the gear structure is drivenly connected to the power output roller structure; the power output roller structure is drivenly connected to the circulating polishing belt.

[0012] Furthermore, the reversing roller frame structure includes a first reversing frame, a first reversing roller structure, a second reversing frame, and a second reversing roller structure.

[0013] Furthermore, the first reversing frame is fixedly connected to the side of the main support frame above the polishing drive frame, and the first reversing roller structure is movably disposed within the first reversing frame; the second reversing frame is fixedly disposed on the top of the main support frame, and at least one second reversing roller structure is movably disposed within the second reversing frame; the circulating polishing belt sequentially connects the first reversing roller structure and each of the second reversing roller structures.

[0014] Furthermore, the swing roller frame structure has a third reversing frame and a third reversing roller structure; the third reversing frame is movably disposed on the side of the main support frame, and at least one of the third reversing roller structures is movably disposed in the third reversing frame; the circulating polishing belt is sequentially disposed on each of the third reversing roller structures.

[0015] Furthermore, the swing drive mechanism includes a swing frame, a swing connecting rod, a crank-connecting rod structure, a connecting rod transmission gear structure, a reducer, and a swing drive motor.

[0016] Furthermore, the two third reversing frames are respectively movably disposed on the upper and lower parts of the swing frame, each of the third reversing frames is connected to a swing connecting rod, and each swing connecting rod is connected to the swing frame; the crank-connecting rod structure is respectively connected to the swing frame and the connecting rod transmission gear structure; the reducer is respectively connected to the connecting rod transmission gear structure and the swing drive motor; the swing drive motor is connected to the main bearing frame, and the connecting rod transmission gear structure and the crank-connecting rod structure are disposed within the main bearing frame.

[0017] In summary, this utility model discloses a precision polishing device for mobile phone camera lenses, comprising a worktable, a support frame, a rotary drive mechanism, a main support frame, a polishing drive mechanism, a circulating polishing belt, a reversing roller frame structure, a swing roller frame structure, a swing drive mechanism, and a robotic arm clamping mechanism. The support frame is located on one side of the worktable, the rotary drive mechanism is mounted on the support frame, and the main support frame is located above the rotary drive mechanism, with the rotary drive mechanism and the main support frame being drivenly connected. The polishing drive mechanism is located on the side of the main support frame and is drivenly connected to the circulating polishing belt. Two reversing roller frame structures are respectively located on the side and top of the support frame, and the swing roller frame structure is movably mounted on one side of the support frame. The circulating polishing belt passes sequentially through each reversing roller frame structure and the swing drive mechanism. The swing drive mechanism is located on the support frame and is drivenly connected to the swing roller frame structure. The robotic arm clamping mechanism is located adjacent to the support frame on the other side of the worktable. When it is necessary to change the angle of the clamped lens material, the robotic arm clamping mechanism can change the angle of the clamped lens material according to a preset programming procedure. Furthermore, the rotary drive mechanism can drive the main support frame to rotate, thereby causing the support frame to drive the circulating polishing belt to rotate to a preset angle, thus changing the angle of the polishing working surface of the circulating polishing belt. Additionally, the swing drive mechanism can drive the swing roller frame structure to swing up and down, thereby changing the vertical position of the working plane of the circulating polishing belt. This further allows the lens material to be polished at multiple working angles after a single clamping and limiting operation, eliminating the need for repeated disassembly and assembly. This significantly improves the operational convenience of polishing mobile phone lenses and increases the processing efficiency of batch processing of mobile phone camera lenses. Moreover, this polishing method can improve operational precision, enabling precise positioning of each designed part of the lens to improve polishing accuracy. Therefore, this utility model, a precision polishing device for mobile phone camera lenses, solves the technical problem of how to improve the operational convenience of polishing mobile phone lenses. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a precision polishing device for mobile phone camera lenses according to the present invention;

[0019] Figure 2 This is a schematic diagram of another part of the structure of the precision polishing device for mobile phone camera lenses according to this utility model;

[0020] Figure 3 This is an exploded structural diagram of another part of the structure of the precision polishing device for mobile phone camera lenses according to this utility model;

[0021] Figure 4 This is an exploded structural diagram of another part of the structure of the precision polishing device for mobile phone camera lenses according to this utility model. Detailed Implementation

[0022] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0023] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, 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, and therefore should not be construed as a limitation of this utility model.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0027] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0028] Please refer to the following: Figures 1 to 4 This utility model discloses a precision polishing device for mobile phone camera lenses, comprising: a workbench 1, a support frame 2, a rotary drive mechanism 3, a main support frame 4, a polishing drive mechanism 5, a circulating polishing belt 6, a reversing roller frame structure 7, a swing roller frame structure 8, a swing drive mechanism 9, and a robotic arm clamping mechanism 10; the support frame 2 is disposed on one side of the workbench 1, the rotary drive mechanism 3 is disposed on the support frame 2, the main support frame 4 is disposed above the rotary drive mechanism 3, and the rotary drive mechanism 3 is drivenly connected to the main support frame 4; the polishing drive mechanism 5 is disposed on the... On the side of the main support frame 4, the polishing drive mechanism 5 is driven to be connected to the circulating polishing belt 6; the two reversing roller frame structures 7 are respectively disposed on the side and top of the support frame 2, the swing roller frame structure 8 is movably disposed on one side of the support frame 2, and the circulating polishing belt 6 is sequentially passed through each of the reversing roller frame structures 7 and the swing drive mechanism 9; the swing drive mechanism 9 is disposed on the support frame 2 and is driven to be connected to the swing roller frame structure 8; the robotic arm clamping mechanism 10 is disposed adjacent to the support frame 2 on the other side of the workbench frame 1.

[0029] Specifically, when the precision polishing device for mobile phone camera lenses of this invention is in the polishing process, the robotic arm clamping mechanism 10 clamps several sets of lens materials to be polished at a time, transports them to the adjacent side of the circulating polishing belt 6, and brings the lens materials to be polished into contact with the polishing working surface of the circulating polishing belt 6. Driven by the polishing drive mechanism 5, the circulating polishing belt 6 passes sequentially through a reversing roller frame structure 7 disposed on the side of the support frame 2, a reversing roller frame structure 7 disposed on the top of the support frame 2, and a swing roller frame structure 8, before reconnecting to the polishing drive mechanism 5; thus, the circulating polishing belt 6 forms a polishing working loop. Afterwards, the lens materials contacting the surface of the circulating polishing belt 6 can complete the polishing process requirements. When it is necessary to change the angle of the clamped lens material, the robotic arm clamping mechanism 10 can change the angle of the clamped lens material according to a preset programming procedure. In addition, the rotary drive mechanism 3 can drive the main support frame 4 to rotate, and then the support frame 2 drives the circulating polishing belt 6 to rotate to a preset angle, so that the polishing working surface of the circulating polishing belt 6 changes angle. In addition, the swing drive mechanism 9 can drive the swing roller frame structure 8 to swing up and down, thereby changing the vertical position of the working plane of the circulating polishing belt 6, so that the lens material can be polished at multiple working angles after being clamped and limited once, without repeated disassembly and assembly work; significantly improving the operational convenience of polishing mobile phone lenses; also improving the processing efficiency of batch processing of mobile phone camera lenses; moreover, this polishing method can also improve the operation accuracy, so that each designed part of the lens can be accurately positioned, thereby improving the polishing accuracy.

[0030] Furthermore, the rotary drive mechanism 3 includes a rotary drive motor 301, a rotary coupling 302, and a rotating shaft structure 303. The rotary drive motor 301 is mounted on the support frame 2, the rotary coupling 302 is arranged adjacent to the rotary drive motor 301, the rotary drive motor 301 is drivenly connected to the rotary coupling 302, the rotating shaft structure 303 is poweredly connected to the rotary coupling 302, and the main bearing frame 4 is connected to the rotating shaft structure 303. Specifically, when the rotary drive motor 301 is energized, it can drive the rotating shaft structure 303 through the rotary coupling 302, so that the main bearing frame 4 connected to the rotating shaft structure 303 can achieve the required rotational movement.

[0031] Furthermore, the polishing drive mechanism 5 includes a polishing drive frame 501, a polishing drive motor 502, a gear structure 503, and a power output roller structure 504. The polishing drive frame 501 is fixedly connected to the lower side of the main support frame 5, and the polishing drive motor 502 is connected to the polishing drive frame 501. The gear structure 503 is movably disposed within the polishing drive frame 501, and the polishing drive motor 502 is drivenly connected to the gear structure 503. The gear structure 503 is also driveably connected to the power output roller structure 504. The power output roller structure 504 is driveably connected to the circulating polishing belt 6. Specifically, after the polishing drive motor 502 starts, it can drive the gear structure 503 to rotate, thereby transmitting power to the power output roller structure 504, which then drives the circulating polishing belt 6 to begin its cyclic operation.

[0032] Furthermore, the reversing roller frame structure 7 includes a first reversing frame 701, a first reversing roller structure 702, a second reversing frame 703, and a second reversing roller structure 704. The first reversing frame 701 is fixedly connected to the side of the main support frame 4 above the polishing drive frame 501, and the first reversing roller structure 702 is movably disposed within the first reversing frame 701. The second reversing frame 703 is fixedly disposed on the top of the main support frame 4, and at least one second reversing roller structure 704 is movably disposed within the second reversing frame 703. The circulating polishing belt 6 sequentially connects the first reversing roller structure 702 and each of the second reversing roller structures 704. Specifically, after receiving power from the power output roller structure 404 and transmitting it out, the circulating polishing belt 6 enters the first reversing roller structure 702 and, with the assistance of the first reversing roller structure 702, enters the second reversing roller structure 704.

[0033] Furthermore, the swing roller frame structure 8 has a third reversing frame 801 and a third reversing roller structure 802; the third reversing frame 801 is movably disposed on the side of the main support frame 4, and at least one of the third reversing roller structures 802 is movably disposed in the third reversing frame 801; the circulating polishing belt 6 is sequentially disposed in each of the third reversing roller structures 802.

[0034] Furthermore, the swing drive mechanism 9 includes a swing frame 901, a swing connecting rod 902, a crank-connecting rod structure 903, a connecting rod transmission gear structure 904, a reducer 905, and a swing drive motor 906; two third reversing frames 701 are respectively movably disposed on the upper and lower parts of the swing frame 901, each third reversing frame 701 is connected to a swing connecting rod 902, and each swing connecting rod 902 is connected to the swing frame 901; the crank-connecting rod structure 903 connects the swing frame 901 and the connecting rod transmission gear structure 904 respectively; the reducer 905 connects the connecting rod transmission gear structure 904 and the swing drive motor 906 respectively; the swing drive motor 906 is connected to the main bearing frame 4, and the connecting rod transmission gear structure 904 and the crank-connecting rod structure 903 are disposed within the main bearing frame 4.

[0035] Specifically, when the swing drive motor 906 is powered on and started, it can output its power to the reducer 905. The reducer 905 reduces the speed and increases the output torque, and then transmits the power to the connecting rod transmission gear structure 904. The connecting rod transmission gear structure 904 then drives the crank connecting rod structure 903 to reciprocate. In turn, the crank connecting rod structure 903 drives the swing frame 901 to reciprocate to move up or down. The swing frame 901 can transmit the action to the two third reversing frames 801 through the swing connecting rod 902, and then reciprocate to move the polishing working surface of the circulating polishing belt 6 up and down.

[0036] Furthermore, the robotic arm clamping mechanism 10 includes a multi-axis robotic arm 1001 and a lens limiting fixture 1002. The multi-axis robotic arm 1001 is disposed on the other side of the worktable 1 relative to the support frame 2, and the multi-axis robotic arm 1001 is drivenly connected to the lens limiting fixture 1002. Specifically, the multi-axis robotic arm 1001 can perform handling actions at multiple angles, so as to clamp multiple sets of lens materials simultaneously through the lens limiting fixture 1002 for polishing processing.

[0037] In summary, the precision polishing device for mobile phone camera lenses of this utility model includes a worktable 1, a support frame 2, a rotary drive mechanism 3, a main support frame 4, a polishing drive mechanism 5, a circulating polishing belt 6, a reversing roller frame structure 7, a swing roller frame structure 8, a swing drive mechanism 9, and a robotic arm clamping mechanism 10. The support frame 2 is located on one side of the worktable 1, the rotary drive mechanism 3 is located on the support frame 2, and the main support frame 4 is located above the rotary drive mechanism 3. The rotary drive mechanism 3 is drivenly connected to the main support frame 4. The polishing drive mechanism 5 is located on... On the side of the main support frame 4, the polishing drive mechanism 5 is driven to connect with the circulating polishing belt 6; two reversing roller frame structures 7 are respectively disposed on the side and top of the support frame 2, and the swing roller frame structure 8 is movably disposed on one side of the support frame 2. The circulating polishing belt 6 passes sequentially through each reversing roller frame structure 7 and the swing drive mechanism 9; the swing drive mechanism 9 is disposed on the support frame 2 and is driven to connect with the swing roller frame structure 8; the robotic arm clamping mechanism 10 is disposed adjacent to the support frame 2 on the other side of the worktable frame 1. If it is necessary to change the angle of the clamped lens material, the robotic arm clamping mechanism 10 can change the angle of the clamped lens material according to a preset programming procedure. In addition, the rotation drive mechanism 3 can drive the main support frame 4 to rotate, and then the support frame 2 drives the circulating polishing belt 6 to rotate to a preset angle, so as to change the angle of the polishing working surface of the circulating polishing belt 6. Furthermore, the swing drive mechanism 9 can drive the swing roller frame structure 8 to swing up and down, thereby changing the vertical position of the working plane of the circulating polishing belt 6. This allows the lens material to be polished at multiple working angles after being clamped and limited once, eliminating the need for repeated disassembly and assembly. This significantly improves the ease of operation for polishing mobile phone lenses and increases the processing efficiency of batch processing of mobile phone camera lenses. Moreover, this polishing method can improve operational precision, enabling precise positioning of each designed part of the lens to enhance polishing accuracy. Therefore, this utility model, a precision polishing device for mobile phone camera lenses, solves the technical problem of improving the ease of operation for polishing mobile phone lenses.

[0038] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0039] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A precision polishing device for mobile phone camera lenses, characterized in that, It includes: work The workbench (1), support frame (2), rotary drive mechanism (3), main support frame (4), polishing drive mechanism (5), circulating polishing belt (6), reversing roller frame structure (7), swing roller frame structure (8), swing drive mechanism (9), and robotic arm clamping mechanism (10) are provided; the support frame (2) is provided on one side of the workbench (1), the rotary drive mechanism (3) is provided on the support frame (2), the main support frame (4) is provided above the rotary drive mechanism (3), and the rotary drive mechanism (3) is drivenly connected to the main support frame (4); the polishing drive mechanism (5) is provided on the side of the main support frame (4). The polishing drive mechanism (5) is driven to connect with the circulating polishing belt (6); the two reversing roller frame structures (7) are respectively disposed on the side and top of the support frame (2), the swing roller frame structure (8) is movably disposed on one side of the support frame (2), the circulating polishing belt (6) passes through each of the reversing roller frame structures (7) and the swing drive mechanism (9) in sequence; the swing drive mechanism (9) is disposed on the support frame (2), and the swing drive mechanism (9) is driven to connect with the swing roller frame structure (8); the robotic arm clamping mechanism (10) is disposed adjacent to the support frame (2) on the other side of the workbench (1).

2. The precision polishing device for mobile phone camera lenses according to claim 1, characterized in that: The rotary drive mechanism (3) includes a rotary drive motor (301), a rotary coupling (302), and a shaft structure (303).

3. The precision polishing device for mobile phone camera lenses according to claim 2, characterized in that: The rotary drive motor (301) is mounted on the support frame (2), the rotary coupling (302) is arranged adjacent to the rotary drive motor (301), the rotary drive motor (301) is drivenly connected to the rotary coupling (302), the rotating shaft structure (303) is poweredly connected to the rotary coupling (302), and the main bearing frame (4) is connected to the rotating shaft structure (303).

4. The precision polishing device for mobile phone camera lenses according to claim 3, characterized in that: The polishing drive mechanism (5) includes a polishing drive frame (501), a polishing drive motor (502), a gear structure (503), and a power output roller structure (504).

5. The precision polishing device for mobile phone camera lenses according to claim 4, characterized in that: The polishing drive frame (501) is fixedly connected to the lower side of the main support frame (4), and the polishing drive motor (502) is connected to the polishing drive frame (501); the gear structure (503) is movably disposed in the polishing drive frame (501), the polishing drive motor (502) is drivenly connected to the gear structure (503), and the gear structure (503) is drivenly connected to the power output roller structure (504); the power output roller structure (504) is drivenly connected to the circulating polishing belt (6).

6. The precision polishing device for mobile phone camera lenses according to claim 5, characterized in that: The reversing roller frame structure (7) includes a first reversing frame (701), a first reversing roller structure (702), a second reversing frame (703), and a second reversing roller structure (704).

7. The precision polishing device for mobile phone camera lenses according to claim 6, characterized in that: The first reversing frame (701) is fixedly connected to the side of the main support frame (4) above the polishing drive frame (501), and the first reversing roller structure (702) is movably disposed in the first reversing frame (701); the second reversing frame (703) is fixedly disposed on the top of the main support frame (4), and at least one second reversing roller structure (704) is movably disposed in the second reversing frame (703); the circulating polishing belt (6) sequentially connects the first reversing roller structure (702) and each of the second reversing roller structures (704).

8. The precision polishing device for mobile phone camera lenses according to claim 7, characterized in that: The swing roller frame structure (8) has a third reversing frame (801) and a third reversing roller structure (802); the third reversing frame (801) is movably disposed on the side of the main support frame (4), and at least one of the third reversing roller structures (802) is movably disposed in the third reversing frame (801); the circulating polishing belt (6) is sequentially connected to each of the third reversing roller structures (802).

9. A precision polishing device for mobile phone camera lenses according to claim 8, characterized in that: The swing drive mechanism (9) includes a swing frame (901), a swing connecting rod (902), a crank connecting rod structure (903), a connecting rod transmission gear structure (904), a reducer (905), and a swing drive motor (906).

10. A precision polishing device for mobile phone camera lenses according to claim 9, characterized in that: The two third reversing frames (801) are respectively movably disposed on the upper and lower parts of the swing frame (901). Each third reversing frame (801) is connected to a swing connecting rod (902), and each swing connecting rod (902) is connected to the swing frame (901). The crank connecting rod structure (903) connects the swing frame (901) and the connecting rod transmission gear structure (904) respectively. The reducer (905) connects the connecting rod transmission gear structure (904) and the swing drive motor (906) respectively.

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