Station switching mechanism of lens pouring device

The lens casting device station switching mechanism driven by a four-station turntable and pneumatic-electric slip rings solves the problems of inaccurate positioning, slow switching speed and poor adaptability in the existing technology, and realizes efficient and accurate station switching and diversified production, thereby improving lens quality and production efficiency.

CN224145163UActive Publication Date: 2026-04-21DAZHI JINGCHUANG (XIAMEN) TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DAZHI JINGCHUANG (XIAMEN) TECH CO LTD
Filing Date
2025-04-27
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

The existing lens casting equipment station switching mechanism suffers from problems such as inaccurate positioning, slow switching speed, poor stability, complex structure, difficult operation and maintenance, and poor adaptability to different lens specifications, resulting in low production efficiency.

Method used

It adopts a four-station turntable, pneumatic and electric slip rings, a film clamping claw mechanism, a rotating mechanism, and a film clamping claw pushing mechanism. The turntable is driven to rotate by the pneumatic and electric slip rings. Combined with the film clamping claw pushing mechanism and the rotating mechanism, it can achieve rapid and accurate switching of workstations. The mold is fixed by suction cups, which can adapt to molds of different specifications and tape operations.

Benefits of technology

It improved production efficiency, reduced positioning errors, enhanced lens quality, lowered the defect rate, enhanced the equipment's adaptability to diversified production, simplified operating procedures, and reduced equipment failure rate and maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a station switching mechanism of a lens pouring device, which relates to the technical field of automatic glasses manufacturing devices, solves the problems of inaccurate positioning, poor adaptability and low efficiency of lens pouring, and comprises a four-station turntable, a pneumoelectric slip ring, a motor, a film clamping jaw mechanism, a rotating mechanism and a film clamping jaw pushing mechanism, the motor is used for driving the four-station turntable to rotate, the film clamping jaw mechanism is used for clamping a torn adhesive tape, and the film clamping jaw pushing mechanism is used for pushing the film clamping jaw mechanism; according to the utility model, the four-station turntable and the pneumoelectric slip ring are used, so that the quick and accurate switching of stations is realized, the production efficiency is effectively improved, the positioning error in the switching process is reduced, and the accurate positioning and uniform distribution of pouring liquid are ensured, thereby improving the quality of finally produced lenses and reducing the defective rate.
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Description

Technical Field

[0001] This utility model relates to the technical field of automated devices for eyeglass manufacturing, and in particular to a station switching mechanism for a lens casting device. Background Technology

[0002] With the development of modern optical technology, higher demands are placed on the quality and production efficiency of lenses. Lens casting is one of the important processes in manufacturing optical lenses. By precisely controlling the amount of casting liquid and various parameters during the casting process, high-quality lenses can be produced. However, in existing lens casting equipment, the design of the station switching mechanism often has shortcomings.

[0003] Traditional lens casting equipment typically employs mechanical or semi-automatic station switching mechanisms. These mechanisms have revealed several technical problems in practical applications. For example, inaccurate positioning, slow switching speed, and poor stability during station switching can easily lead to low production efficiency. Furthermore, existing station switching mechanisms are structurally complex, difficult to operate and maintain, and have poor adaptability to different lens specifications, failing to meet the needs of diversified production. Utility Model Content

[0004] In view of the problems of inaccurate positioning, poor adaptability and low efficiency in lens casting, the purpose of this utility model is to provide a station switching mechanism for a lens casting device.

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

[0006] A station switching mechanism for a lens casting apparatus, comprising:

[0007] The four-position turntable 81, the pneumatic-electric slip ring 84, and the motor 86 are all present. The four-position turntable 81 is rotatably mounted on the worktable via the pneumatic-electric slip ring 84, and the motor 86 is used to drive the rotation of the four-position turntable 81.

[0008] The film clamping claw mechanism 82 and the rotating mechanism 83 are installed on the four-station turntable 81. Four film clamping claw mechanisms 82 and four rotating mechanisms 83 are installed on the turntable 81. Any rotating mechanism 83 is located between any two adjacent film clamping claw mechanisms 82. The film clamping claw mechanism 82 is used to clamp the torn tape.

[0009] A clamping claw pushing mechanism 85 is provided. Two clamping claw pushing mechanisms 85 are installed on the worktable. The two clamping claw pushing mechanisms 85 are located below the clamping claw mechanism 82 at the mold tape tearing station and the clamping claw mechanism 82 at the casting station, respectively. The clamping claw pushing mechanism 85 is used to push the clamping claw mechanism 82.

[0010] The above-mentioned lens casting device has a station switching mechanism in which four film clamping claw mechanisms 82 are arranged at equal intervals around the circumference.

[0011] The above-mentioned lens casting device has a station switching mechanism in which four rotating mechanisms 83 are arranged at equal intervals around the circumference.

[0012] In the above-mentioned lens casting device, the station switching mechanism includes four film clamping claw mechanisms 82 located at the four corners of the four-station turntable 81.

[0013] In the above-mentioned lens casting device, the station switching mechanism has four rotating mechanisms 83 located on the four sides of the four-station turntable 81.

[0014] The station switching mechanism of the above-mentioned lens casting device includes a rotating mechanism 83 comprising a suction cup 831 and a rotating motor 832. The suction cup 831 is mounted on the drive end of the rotating motor 832. The rotating motor 832 is used to drive the suction cup 831 to rotate around its own axis. The suction cup 831 is used to pick up the mold.

[0015] The above-mentioned lens casting device station switching mechanism includes a film clamping claw pushing mechanism 85 comprising: a pushing cylinder 851 and a second film clamping push plate 852. The pushing cylinder 851 is mounted on the worktable, and the second film clamping push plate 852 is mounted on the front end of the pushing cylinder 851. The second film clamping push plate 852 is used to push the film clamping claw mechanism 82 in the horizontal direction.

[0016] The above-mentioned lens casting device station switching mechanism, wherein the film clamping claw pushing mechanism 85 further includes: a lifting cylinder 853, which is installed on the worktable and is used to vertically push the film clamping claw mechanism 82.

[0017] The aforementioned lens casting apparatus station switching mechanism includes a clamping gripper mechanism 82 comprising: a gripper 821, a clamping column 822, a slide rail 823, a first clamping push plate 824, a swing arm connector, and a lifting buffer plate 825. The slide rail 823 comprises a fixed structural plate and a movable structural plate. The fixed structural plate is mounted on a four-station turntable 81, and the movable structural plate is slidably mounted on the fixed structural plate. The first clamping push plate 824 is mounted at the end of the movable structural plate, and a second clamping push plate 852 is used to push the first clamping push plate 824, thereby driving... The movable structural plate slides on the fixed structural plate; the gripper 821 is installed on the upper part of the movable structural plate, the clamping column 822 is installed at the front end of the gripper 821, and the lifting buffer plate 825 slides vertically and is installed on the lower part of the movable structural plate; the lifting cylinder 853 is used to push the lifting buffer plate 825 to slide vertically; the swing arm connector is rotatably installed on the movable structural plate, the lifting buffer plate 825 is used to push the swing arm connector to rotate, and the gripper 821 is movably connected to the swing arm connector; the swing arm connector is used to realize the opening and closing action of the gripper 821.

[0018] Because this utility model employs the aforementioned technology, it has the following positive effects compared to existing technologies:

[0019] (1) In this utility model, a four-station turntable and a pneumatic-electric slip ring are used to realize the rapid and accurate switching of the station, which effectively improves production efficiency, reduces positioning errors during the switching process, ensures the precise positioning and uniform distribution of the casting liquid, thereby improving the quality of the final produced lens and reducing the defect rate.

[0020] (2) In this utility model, suction cups are used to fix the mold, so that the device can adapt to molds of different specifications and tape operation, thereby enhancing the adaptability of the device to diverse production needs.

[0021] (3) In this utility model, the introduction of the film clamping claw pushing mechanism, through the coordinated work of the pushing cylinder and the lifting cylinder, automatically completes the movement of the film clamping claw and the tearing and pasting of the tape, reducing manual intervention, reducing the complexity of operation, and improving the automation level of the production process.

[0022] (4) In this utility model, the structural design has been optimized, the complexity of the parts has been reduced, the overall device is simpler, easier to maintain and operate, and the equipment failure rate and maintenance cost have been reduced. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the workstation switching mechanism of a lens casting device according to the present invention.

[0024] Figure 2 This is a schematic diagram of the rotating mechanism of the station switching mechanism of a lens casting device according to the present invention.

[0025] Figure 3 This is a schematic diagram of the clamping claw pushing mechanism of the station switching mechanism of a lens casting device according to the present invention.

[0026] Figure 4 This is a schematic diagram of the clamping claw mechanism of the workstation switching mechanism of a lens casting apparatus according to the present invention.

[0027] Figure 5 This is a top view of the four-station rotating mechanism of an automatic lens casting device according to the present invention.

[0028] In the attached diagram: 81, four-station turntable; 82, film clamping gripper mechanism; 821, gripper; 822, film clamping column; 823, slide rail; 824, first film clamping push plate; 825, lifting buffer plate; 83, rotating mechanism; 831, suction cup; 832, rotary motor; 84, pneumatic-electric slip ring; 85, film clamping gripper pushing mechanism; 851, pushing cylinder; 852, second film clamping push plate; 853, lifting cylinder; 86, motor. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0030] Please refer to Figures 1 to 5 As shown, a station switching mechanism for a lens casting apparatus is illustrated, comprising: a four-station turntable 81 and a pneumatic-electric slip ring 84. The pneumatic-electric slip ring 84 is connected to the four-station turntable 81, driving the four-station turntable 81 to rotate, thereby realizing station switching and assembly line operation.

[0031] Furthermore, in a preferred embodiment, it also includes: a film clamping claw mechanism 82, of which there are four, which are respectively installed at the four corners of the four-station turntable 81, and can be used to clamp the torn tape to facilitate the pouring of raw materials into the mold.

[0032] Furthermore, in a preferred embodiment, it also includes: a rotating mechanism 82, of which there are four rotating mechanisms 82, which are respectively installed in the center of the four sides of the four-station turntable 81.

[0033] Furthermore, in a preferred embodiment, it further includes: a film clamping claw pushing mechanism 85, there are two film clamping claw pushing mechanisms 85, which are respectively installed below the film tearing claw mechanism 82 at the mold tape tearing station and below the film tearing claw mechanism 82 at the casting station.

[0034] Furthermore, in a preferred embodiment, the rotating mechanism 83 includes a suction cup 831 and a rotary motor 832, the suction cup 831 and the rotary motor 832 are on the same axis, and the rotary motor 832 drives the mold held by the suction cup 831 to rotate, assisting in tearing and applying the tape.

[0035] Furthermore, in a preferred embodiment, the film clamping claw pushing mechanism 85 includes: a pushing cylinder 851, a second film clamping push plate 852, and a lifting cylinder 853. The second film clamping push plate 852 is installed at the front end of the pushing cylinder 851. When the pushing cylinder 851 extends or retracts, it drives the second film clamping push plate 852 to move. The second film clamping push plate 852 pushes the film clamping claw mechanism 82 to move, making room for the tape-tearing mechanism to move. The lifting cylinder 853 lifts and lowers the pushing film clamping claw mechanism 82, so that the film clamping claw mechanism 82 clamps or releases the tape.

[0036] The above are merely preferred embodiments of the present utility model and are not intended to limit the implementation methods and protection scope of the present utility model.

[0037] Based on the above, this utility model also has the following embodiments:

[0038] In a further embodiment of this utility model, it includes: a four-station turntable 81, a film clamping claw mechanism 82, a rotating mechanism 83, a pneumatic-electric slip ring 84, and a film clamping claw pushing mechanism 85. The rotating mechanism 83 includes: a suction cup 831 and a rotary motor 832, the suction cup 831 and the rotary motor 832 are on the same axis. The pneumatic-electric slip ring 84 is connected to the four-station turntable 81. There are four film clamping claw mechanisms 82 and four rotating mechanisms 83, which are located on the four sides of the four-station turntable 81 respectively. There are two film clamping claw pushing mechanisms 85, which are installed on the main frame 1 at the tape tearing station and the casting station. The film clamping claw pushing mechanism 85 includes a pushing cylinder 851, a second film clamping push plate 852, and a lifting cylinder 853.

[0039] The station switching mechanism of this utility model is used to realize the station switching of the lens casting device. In the process of manufacturing lenses in the lens casting device, after the mold is loaded, the suction cup 831 picks up the mold, and the motor 86 drives the four-station turntable 81 to rotate. The turntable 831 carries the mold to the next station. The lifting cylinder 853 pushes the lifting buffer plate 825 upward, the film clamping claw mechanism 82 clamps the tape on the mold, and the film tearing mechanism presses the mold and clamps the tape. The lifting cylinder 853 descends and leaves the lifting buffer plate 825, and the film clamping claw mechanism 82 releases the tape. The pushing cylinder 851 drives the second film clamping push plate 852 to move towards the four-station turntable. 81 moves in the center direction, causing the film clamping claw mechanism 82 to leave the tape; the film tearing mechanism moves away from the mold, tearing the tape on the mold, and then pushes the cylinder 851 to reset, and the film clamping claw mechanism 82 extends; the motor 86 drives the four-station turntable 81 to rotate, and the suction cup 831 carries the mold to the next station; the pouring mechanism begins to pour liquid into the mold, and when the mold is full, the pressing mechanism presses the mold, the rotating mechanism 83 drives the mold to rotate, and the pressing mechanism puts the torn tape back onto the mold; the motor 86 drives the four-station turntable 81 to rotate, and the suction cup 831 carries the mold to the unloading station to complete the unloading operation.

[0040] In a further embodiment of this utility model, a four-station turntable 81 and a pneumatic-electric slip ring 84 are included. The four-station turntable 81 is connected to the drive device via the pneumatic-electric slip ring 84, enabling it to rotate and switch stations as needed. Each station of the four-station turntable 81 is equipped with a film clamping claw mechanism 82 and a rotating mechanism 83, allowing each station to independently perform operations such as film clamping, pouring, and peeling / applying. The pneumatic-electric slip ring 84 enables the transmission of power and signals while avoiding problems such as cable tangling, thereby ensuring the stability and accuracy of station switching.

[0041] In a further embodiment of this utility model, the film clamping claw mechanism 82 is installed at the four corners of the four-station turntable 81. The main function of this mechanism is to clamp the torn tape and accurately position it on the mold. The film clamping claw pushing mechanism 85 includes a pushing cylinder 851, a second film clamping push plate 852, and a lifting cylinder 853. The pushing cylinder 851 drives the second film clamping push plate 852 to move, thereby pushing the film clamping claw mechanism 82 to perform clamping or releasing operations. The lifting cylinder 853 enables the film clamping claw mechanism 82 to operate at different heights, thus adapting to molds and tapes of different thicknesses.

[0042] In a further embodiment of this utility model, the rotating mechanism 83 is installed at the center of the four sides of the four-station turntable 81. The rotating mechanism 83 includes a suction cup 831 and a rotary motor 832. The suction cup 831 is driven by the rotary motor 832 and can hold the mold and perform precise rotational positioning. The function of the rotating mechanism 83 is to rotate the mold to the correct angle after the film clamping claw mechanism 82 completes the tape tearing and pasting operation, ensuring the accuracy of subsequent station operations.

[0043] In a further embodiment of this utility model, the four-station turntable 81, driven by a pneumatic-electric slip ring 84, can quickly switch to the next working station. Each station is equipped with a film clamping claw mechanism 82 and a rotating mechanism 83, which are used to complete operations such as film clamping, film tearing, and casting, respectively. When switching stations, the film clamping claw pushing mechanism 85 automatically adjusts the position and state of the film clamping claw mechanism 82 through the coordinated action of the pushing cylinder 851 and the lifting cylinder 853, providing space for the film tearing operation and ensuring the smooth progress of the casting process.

[0044] In a further embodiment of this utility model, the push cylinder 851 pushes the second film clamping push plate 852 to move back and forth, thereby driving the film clamping claw mechanism 82 to move; the lifting cylinder 853 pushes the lifting buffer plate 825 upward, thereby achieving the clamping of the film clamping claw mechanism 82.

[0045] In a further embodiment of the present invention, the lifting buffer plate 825 moves up and down, driving the gripper 821 to clamp and open, and the front end of the gripper 821 is fixed to the film clamping column 822; there is a guide rail 823 below the film clamping gripper mechanism 82, and when the first film clamping push plate 824 is pushed, the entire film clamping gripper mechanism 82 can move back and forth.

[0046] In a further embodiment of this utility model, the clamping mechanism 82 uses a rocker arm slider mechanism to drive the clamp 821 to perform opening and closing actions, such as... Figure 4 As shown, the lifting cylinder 853 pushes the lifting buffer plate 825 to move vertically; it pushes the swing arm connector to rotate on the moving structure plate, and then pulls the gripper 821 through the swing arm connector to achieve the clamping action of the gripper 821; when the lifting cylinder 853 is reset, the lifting buffer plate 825 and the swing arm connector are reset under the action of gravity, and the swing arm connector pushes the gripper 821 to achieve the opening action of the gripper 821.

[0047] The above are merely preferred embodiments of the present utility model and are not intended to limit the implementation methods and protection scope of the present utility model. Those skilled in the art should realize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A station switching mechanism of a lens casting apparatus, characterized by, include: The four-position turntable (81), the pneumatic-electric slip ring (84) and the motor (86) are used to drive the rotation of the four-position turntable (81). The film clamping claw mechanism (82) and the rotating mechanism (83) are installed on the four-station turntable (81). Four film clamping claw mechanisms (82) and four rotating mechanisms (83) are installed on the turntable (81). Any rotating mechanism (83) is located between any two adjacent film clamping claw mechanisms (82). The film clamping claw mechanism (82) is used to clamp the torn tape. The clamping claw pushing mechanism (85) is installed on the worktable. The two clamping claw pushing mechanisms (85) are located below the clamping claw mechanism (82) at the mold tape tearing station and the clamping claw mechanism (82) at the casting station, respectively. The clamping claw pushing mechanism (85) is used to push the clamping claw mechanism (82).

2. The station switching mechanism of a lens casting apparatus according to claim 1, wherein, The four clamping jaws (82) are set at equal intervals around the circumference.

3. The station switching mechanism of a lens casting apparatus according to claim 1, wherein, The four rotating mechanisms (83) are set at equal intervals around the circumference.

4. The station switching mechanism of a lens casting apparatus according to claim 2, wherein The four clamping jaw mechanisms (82) are located at the four corners of the four-station turntable (81).

5. The station switching mechanism of a lens casting apparatus according to claim 3, wherein, The four rotating mechanisms (83) are located on the four sides of the four-position turntable (81).

6. The station switching mechanism of a lens casting apparatus according to claim 1, wherein, The rotating mechanism (83) includes a suction cup (831) and a rotary motor (832). The suction cup (831) is installed on the drive end of the rotary motor (832). The rotary motor (832) is used to drive the suction cup (831) to rotate around its own axis. The suction cup (831) is used to pick up the mold.

7. The station switching mechanism of a lens casting apparatus according to claim 1, wherein The film clamping claw pushing mechanism (85) includes: a pushing cylinder (851) and a second film clamping push plate (852). The pushing cylinder (851) is mounted on the worktable, and the second film clamping push plate (852) is mounted on the front end of the pushing cylinder (851). The second film clamping push plate (852) is used to push the film clamping claw mechanism (82) in the horizontal direction.

8. The station switching mechanism of a lens casting apparatus according to claim 7, wherein, The film clamping gripper pushing mechanism (85) further includes: a lifting cylinder (853), which is mounted on the worktable and is used to push the film clamping gripper mechanism (82) in the vertical direction.

9. The station switching mechanism of a lens casting apparatus according to claim 8, wherein, The clamping mechanism (82) includes: a clamp (821), a clamping column (822), a slide rail (823), a first clamping push plate (824), a swing arm connector, and a lifting buffer plate (825). The slide rail (823) includes: a fixed structural plate and a movable structural plate. The fixed structural plate is mounted on a four-position turntable (81), and the movable structural plate is slidably mounted on the fixed structural plate. The first clamping push plate (824) is mounted at the end of the movable structural plate. The second clamping push plate (852) is used to push the first clamping push plate (824) and thus drive the movable structural plate to move in the fixed position. The structure plate slides; the gripper (821) is installed on the upper part of the movable structure plate, the membrane column (822) is installed at the front end of the gripper (821), and the lifting buffer plate (825) slides vertically and is installed on the lower part of the movable structure plate; the lifting cylinder (853) is used to push the lifting buffer plate (825) to slide vertically; the swing rod connector is rotatably installed on the movable structure plate, the lifting buffer plate (825) is used to push the swing rod connector to rotate, and the gripper (821) is movably connected to the swing rod connector; the swing rod connector is used to realize the opening and closing action of the gripper (821).