Lens surface shape and thickness detection integrated equipment

Abstract

The utility model provides lens surface shape and thickness detection integrated equipment. The lens surface shape and thickness detection integrated equipment comprises a charging tray positioning groove and a thickness measuring station which are sequentially arranged along the longitudinal direction, a first lens transfer mechanism is arranged on the side of the tray positioning groove; the first lens transfer mechanism comprises a longitudinal guide rail, a transverse guide rail, a lifting cylinder, a first vertical air cylinder and a first lens adsorption part; a thickness measuring platform and a thickness measuring mechanism are arranged at the thickness measuring station; the charging tray positioning groove and the thickness measuring platform are positioned on a moving path of the first lens adsorption piece; a lens surface shape detection mechanism is arranged on one side, deviating from the charging tray positioning groove, of the thickness measurement station; a second lens transfer mechanism is arranged on the side of the lens surface shape detection mechanism; the second lens transfer mechanism comprises a rotating shaft, a horizontal swing arm, a second vertical cylinder and a second lens adsorption piece; the thickness measuring platform and the lens surface shape detection mechanism are located on the swing path of the second lens adsorption part. The lens surface shape detection mechanism provided by the utility model is fixed, so that shaking caused by movement can be avoided, and meanwhile, the requirements on the tray structure and the placement of the to-be-detected lens are lower.

Description

Technical Field

[0001] This utility model relates to the field of lens testing equipment, and in particular to an integrated device for testing lens surface shape and thickness. Background Technology

[0002] This utility model relates to the field of lens testing equipment, and in particular to an integrated device for testing lens surface shape and thickness. Utility Model Content

[0003] The purpose of this utility model is to provide an integrated device for detecting lens surface shape and thickness. It directly transfers the lens to the thickness measurement station or the lens surface shape detection mechanism. The thickness measurement mechanism and the lens surface shape detection mechanism are fixed, which can avoid the shaking caused by movement and the impact of shaking on the detection effect. At the same time, the requirements for the material tray structure and the placement of the lens to be tested are low.

[0004] The technical solution to achieve the purpose of this utility model is: an integrated device for detecting lens surface shape and thickness, including a worktable, on which a material tray positioning groove and a thickness measuring station are arranged sequentially along the longitudinal direction;

[0005] The material tray positioning groove is provided with a first lens transfer mechanism on the side; the first lens transfer mechanism includes a longitudinal guide rail installed on the worktable, a slide table installed on the longitudinal guide rail, a transverse guide rail provided on the slide table, a slider installed on the transverse guide rail, and a lifting cylinder fixedly connected to the slider. The piston rod of the lifting cylinder is drivenly connected to an installation plate, and a first vertical cylinder is installed on the installation plate. The bottom end of the first vertical cylinder is drivenly connected to a first lens adsorption component.

[0006] The thickness measurement station is equipped with a thickness measurement platform and a thickness measurement mechanism;

[0007] Both the material tray positioning groove and the thickness measuring platform are located on the moving path of the first lens adsorption component;

[0008] The thickness measurement station is equipped with a lens surface shape detection mechanism on the side opposite to the material tray positioning groove.

[0009] The lens surface shape detection mechanism is provided with a second lens transfer mechanism on its side; the second lens transfer mechanism includes a rotating shaft that is rotatably mounted vertically on the worktable, a horizontal swing arm mounted on the rotating shaft, and a second vertical cylinder that is mounted vertically on the front end of the horizontal swing arm, and a second lens adsorption component is connected to the bottom end of the second vertical cylinder.

[0010] Both the thickness measuring platform and the lens surface shape detection mechanism are located on the swing path of the second lens adsorption component.

[0011] This invention uses a first lens transfer mechanism and a second lens transfer mechanism to directly remove lenses one by one from the tray, and transfers the lenses one by one between the tray, the thickness measuring platform, and the lens surface shape detection mechanism. The thickness measuring mechanism and the lens surface shape detection mechanism do not need to be moved. The thickness measuring mechanism only needs to be installed on the moving path of the first lens adsorption component and the second lens adsorption component, and the lens surface shape detection mechanism can be installed on the swing path of the second lens adsorption component. This avoids the shaking caused by the movement of the thickness measuring mechanism and the lens surface shape detection mechanism and the impact of shaking on the detection effect. Furthermore, it has low requirements for the structure of the tray and the placement of the lenses to be tested in the tray. Ordinary trays can be used, without the need to divide the tray into single lens positioning slots. The lenses to be tested can be stacked randomly in the tray, as long as the first lens adsorption component can hold the lenses to be tested. There is no need to arrange the lenses neatly in advance, saving the trouble of specially designing a tray and pre-placing the lenses to be tested.

[0012] Furthermore, a finger cylinder is installed on the thickness measuring platform. The two pneumatic fingers of the finger cylinder are located on the same horizontal plane, and a lens clamping space is formed between the two pneumatic fingers. The inner surface of each pneumatic finger is arc-shaped and adapted to the outer contour of the lens. The lens to be tested is transferred to the thickness measuring platform by the first lens transfer mechanism, and the two pneumatic fingers of the finger cylinder move closer to each other and clamp the lens to be tested, thereby achieving lens alignment and ensuring that the lens remains stable during the testing process.

[0013] Furthermore, the lens surface shape detection mechanism is preferably an interferometer. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the integrated lens surface shape and thickness detection device described in this embodiment of the present invention from a first-view perspective;

[0015] Figure 2 This is a three-dimensional structural diagram of the first lens transfer mechanism in an embodiment of the present invention from a second perspective;

[0016] Figure 3 This is a top view of the integrated lens surface shape and thickness detection device according to an embodiment of the present invention, wherein the arrow indicates the swing path of the second lens adsorption component. Detailed Implementation

[0017] The preferred embodiment of the integrated lens surface shape and thickness detection device of this utility model will be described in detail below with reference to the accompanying drawings.

[0018] Combination Figures 1-3 An integrated device for detecting lens surface shape and thickness includes a worktable 10, on which a material tray positioning groove 20 and a thickness measuring station are arranged sequentially along the longitudinal direction;

[0019] The material tray positioning groove 20 is provided with a first lens transfer mechanism 30 on its side; the first lens transfer mechanism 30 includes a longitudinal guide rail 31 installed on the worktable 10, a slide table 32 installed on the longitudinal guide rail 31, a transverse guide rail 33 provided on the slide table, a slider 34 installed on the transverse guide rail 33, and a lifting cylinder 35 fixedly connected to the slider 34. The piston rod of the lifting cylinder 35 is drivenly connected to a mounting plate 36, and a first vertical cylinder 37 is installed on the mounting plate 36. The bottom end of the first vertical cylinder 37 is drivenly connected to a first lens adsorption component 38.

[0020] The thickness measurement station is equipped with a thickness measurement platform 40 and a thickness measurement mechanism 50.

[0021] The material tray positioning groove 20 and the thickness measuring platform 40 are both located on the moving path of the first lens adsorption component 38.

[0022] The thickness measuring station is provided with a lens surface shape detection mechanism 60 on the side opposite to the material tray positioning groove 20;

[0023] The lens surface shape detection mechanism 60 is provided with a second lens transfer mechanism 80 on its side; the second lens transfer mechanism 80 includes a rotating shaft 81 that is vertically rotatably mounted on the worktable 10, a horizontal swing arm 82 mounted on the rotating shaft 81, and a second vertical cylinder 83 that is vertically mounted on the front end of the horizontal swing arm 81. The bottom end of the second vertical cylinder 83 is connected to a second lens adsorption component 84.

[0024] The thickness measuring platform 40 and the lens surface shape detection mechanism 60 are both located on the swing path of the second lens adsorption component 84.

[0025] Preferably, a finger cylinder 41 is installed on the thickness measuring platform 40. The two pneumatic fingers 411 of the finger cylinder 41 are located on the same horizontal plane, and a lens clamping space is formed between the two pneumatic fingers 411. The inner surface of each pneumatic finger 411 is arc-shaped and adapted to the outer contour of the lens. The lens to be tested is transferred to the thickness measuring platform 40 by the first lens transfer mechanism 30, and the two pneumatic fingers 411 of the finger cylinder 41 move closer to each other and clamp the lens to be tested, thereby achieving lens alignment and ensuring that the lens remains stable during the testing process.

[0026] Furthermore, the lens surface shape detection mechanism 60 is preferably an interferometer.

[0027] During operation, the tray 100 containing the lens to be tested is placed in the tray positioning groove 20, and the tray 100 is positioned by the tray positioning groove 20. In this integrated device, the first lens adsorption component 38 is moved by the slide table 32, slider 34, and lifting cylinder of the first lens transfer mechanism 30. The first lens adsorption component 38 moves to directly above the tray 100, and is then moved up and down by the first vertical cylinder 37 to pick up a lens from the tray 100. It is then moved above the thickness measuring platform 40, and is lowered by the first vertical cylinder 37 to place the lens on the thickness measuring platform 40. The thickness measuring mechanism 50 then measures the thickness of the lens. After the thickness measurement is completed, the rotating shaft of the second lens transfer mechanism 80 is rotated, causing the horizontal swing arm 82 to drive the second vertical cylinder 83 and the second lens adsorption component 84 to swing around the rotating shaft 81. The second lens adsorption component 84 first moves to directly above the thickness measurement platform 40, and then the second vertical cylinder 83 moves up and down to pick up the lens. It then moves to directly above the sample placement slot of the lens surface shape detection mechanism 60, and the second vertical cylinder 83 drives the second lens adsorption component 84 to move down to place the lens into the sample placement slot of the lens surface shape detection mechanism 60. After that, the lens surface shape detection mechanism 70 performs optical surface shape detection on the lens (optical lens surface shape detection usually refers to the detection of the shape and curvature of the optical lens surface).

[0028] The thickness measuring mechanism 50 and the lens surface shape detection mechanism 60 of this invention do not require relocation. The thickness measuring mechanism 50 only needs to be installed on the moving path of the first lens adsorption member 38 and the second lens adsorption member 84, and the lens surface shape detection mechanism 60 only needs to be installed on the swing path of the second lens adsorption member 84. This avoids the shaking caused by the movement of the thickness measuring mechanism 50 and the lens surface shape detection mechanism 60 and the impact of the shaking on the detection effect. Especially for the lens surface shape detection mechanism 60, when an interferometer is used, even slight shaking can have a significant impact on the detection effect. Furthermore, the requirements for the structure of the tray 100 and the placement of the lenses to be tested in the tray 100 are low, saving the trouble of specially designing the tray and pre-placing the lenses to be tested.

[0029] The thickness measuring mechanism 50 uses existing common thickness detection equipment, so its specific structure will not be described in detail. The interferometer is an existing common instrument, and its specific structure will not be described in detail.

[0030] The first lens adsorption component 38 and the second lens adsorption component 84 of this invention both achieve tight adsorption of the lens through a vacuum suction cup.

[0031] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent process transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A lens surface shape and thickness detection integrated device, comprising a workbench, characterized in that: a material disc positioning groove and a thickness detection station are sequentially arranged on the workbench in the longitudinal direction; a first lens transfer mechanism is arranged on the side of the material disc positioning groove; the first lens transfer mechanism comprises a longitudinal guide rail mounted on the workbench, a sliding table mounted on the longitudinal guide rail, a transverse guide rail arranged on the sliding table, a sliding block mounted on the transverse guide rail, and a lifting cylinder fixedly connected with the sliding block; a piston rod of the lifting cylinder is drivingly connected with a mounting plate, a first vertical air cylinder is mounted on the mounting plate, and a bottom end of the first vertical air cylinder is drivingly connected with a first lens suction accessory; a thickness detection platform and a thickness detection mechanism are arranged at the thickness detection station; the material disc positioning groove and the thickness detection platform are located on the moving path of the first lens suction accessory; a lens surface shape detection mechanism is arranged on the side of the thickness detection station away from the material disc positioning groove; a second lens transfer mechanism is arranged on the side of the lens surface shape detection mechanism; the second lens transfer mechanism comprises a rotating shaft vertically rotatably mounted on the workbench, a horizontal swing arm mounted on the rotating shaft, and a second vertical air cylinder vertically mounted on the front end of the horizontal swing arm; a bottom end of the second vertical air cylinder is drivingly connected with a second lens suction accessory; the thickness detection platform and the lens surface shape detection mechanism are located on the swing path of the second lens suction accessory. A finger air cylinder is mounted on the thickness detection platform; two pneumatic fingers of the finger air cylinder are located on the same horizontal plane, and a lens clamping space is formed between the two pneumatic fingers; the inner surface of each pneumatic finger is arc-shaped and matched with the outer contour of the lens. The lens surface shape detection mechanism is an interferometer. ​ ​ ​ ​ ​ 2. The lens face shape and thickness detecting integrated device according to claim 1, characterized in that: ​ 3. The lens face shape and thickness inspection integrated device according to claim 1, characterized in that: ​

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