Multi-claw self-centering device for optical lens

Abstract

The utility model relates to the technical field of lens processing, in particular to an optical lens multi-claw self-centering device which comprises a cavity, a clamping assembly rotationally arranged in the cavity and a driving part used for driving the clamping assembly to rotate, and the clamping assembly is driven by the driving part to rotate back and forth relative to the cavity. According to the utility model, the automatic centering and overlapping operation of the lens is realized, the labor cost is saved, the production quality is ensured, and the working efficiency and the working precision are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lens processing, in particular to a multi-claw self-centering device for optical lenses. Background Art

[0002] Optical lenses are widely used and in huge demand; according to the usage requirements, during the production process of some lenses, two semi-finished lenses need to be stacked and bonded. The traditional stacking method is to manually place the two semi-finished lenses for stacking, observe the stacking position of the lenses on the detection instrument, and then adjust the centering of the two lenses. Only after centering can the two lenses be bonded in the next process. The degree of automation is low, not only the labor cost is high, the production efficiency is low, but also it is inevitable that the lenses will be placed unevenly or dropped by manual operation, which affects the detection and adjustment of the centering of the two lenses, and the qualified rate cannot be guaranteed. Once the two lenses that are not centered are bonded without being detected, it is equivalent to directly scrapping the two lenses, causing economic losses to the enterprise. Content of the Utility Model

[0003] The purpose of the utility model is to provide a multi-claw self-centering device for optical lenses aiming at the deficiencies of the prior art, realizing automatic centering and stacking operations for lenses, saving labor costs, ensuring product quality, and improving work efficiency and work precision.

[0004] To achieve the above purpose, a multi-claw self-centering device for optical lenses of the utility model is characterized in that: it includes a cavity, a clamping assembly rotatably arranged in the cavity, and a driving member for driving the clamping assembly to rotate, and the clamping assembly is driven by the driving member to rotate back and forth relative to the cavity.

[0005] Preferably, the clamping assembly includes a base, a bracket arranged on the base, a guide rail assembly arranged on the bracket, and a claw arranged on the guide rail assembly. A reset plate is slidably connected to the guide rail assembly. A spring is arranged on the reset plate. One end of the spring abuts against the reset plate, and one end of the spring abuts against the bracket. The reset plate is connected to the claw.

[0006] Preferably, a plurality of guide rail assemblies are arranged, and the plurality of guide rail assemblies are arranged around the circumference of the bracket.

[0007] Preferably, the base is provided with a cover plate, the cover plate is cover-connected to the top of the base, and the cover plate is provided with a sliding groove, and the claw is slidably connected to the sliding groove.

[0008] Preferably, the driving member includes a driving cylinder, a rack drivingly connected to the driving cylinder, and a gear meshing with the rack, and the gear is connected to the clamping assembly.

[0009] Advantages of the present utility model: It realizes the automatic centering and stacking operation of lenses, saves labor costs, ensures product quality, and improves work efficiency and work precision. Description of the Drawings

[0010] Figure 1 It is a schematic structural diagram of the present utility model.

[0011] Figure 2 It is an exploded structural diagram of the present utility model.

[0012] Reference numerals include:

[0013] 1 - Cavity

[0014] 2 - Clamping assembly 21 - Base 22 - Bracket

[0015] 23 - Guide rail assembly 24 - Claw 25 - Reset plate

[0016] 26 - Spring 27 - Cover plate 28 - Sliding groove

[0017] 3 - Driving member 31 - Driving cylinder 32 - Rack

[0018] 33 - Gear. Detailed Embodiment

[0019] The present utility model will be described in detail below with reference to the drawings.

[0020] As Figures 1 to 2 shown, an optical lens multi-claw self-centering device of the present utility model is characterized in that it includes a cavity 1, a clamping assembly 2 rotatably arranged in the cavity 1, and a driving member 3 for driving the clamping assembly 2 to rotate. The clamping assembly 2 is driven by the driving member 3 to rotate back and forth relative to the cavity 1.

[0021] This device is designed for the assembly of optical lenses. By adjusting and switching the forward or reverse rotation of the driving member 3, the clamping assembly 2 is driven by the driving member 3 to rotate back and forth relative to the cavity 1. The clamping assembly 2 itself can adaptively expand and contract and adjust according to lenses of different specifications and sizes, so as to effectively pick up and place the lenses. By rotating the lenses, the external detection device can detect the centering and stacking conditions of the lenses from multiple directions, so as to facilitate the next bonding process. The clamping and surrounding positioning accuracy is high, and the force uniformity is good. The coaxiality of this structure can reach 0.005 mm, and the repeated positioning accuracy is 0.005 mm. The present utility model realizes the automatic centering and stacking operation of lenses, saves labor costs, ensures product quality, and improves work efficiency and work precision.

[0022] The clamping assembly 2 of this embodiment includes a base 21, a bracket 22 disposed on the base 21, a guide rail assembly 23 disposed on the bracket 22, and a jaw 24 disposed on the guide rail assembly 23. The guide rail assembly 23 is slidably connected with a reset plate 25. The reset plate 25 is provided with a spring 26. One end of the spring 26 abuts against the reset plate 25, and one end of the spring 26 abuts against the bracket 22. The reset plate 25 is connected with the jaw 24. Specifically, as a preference, there are four jaws 24 and four guide rail assemblies 23 respectively. The four guide rail assemblies 23 are arranged around the circumference of the bracket 22. The guide rail assembly 23 uses a precision crossed roller guide as the slide rail, which can bear loads in all directions, has a good fine positioning effect. The four jaws 24 are slidably connected with the guide rail assembly 23 through the reset plate 25. One end of the reset plate 25 is connected with the bracket 22 through the spring 26. By the action of the spring 26, it is beneficial for the automatic reset of the jaw 24. The gap is eliminated by the spring 26, so that the four jaws 24 rotate under the driving action of the driving member 3. The four jaws 24 respectively perform high-precision telescopic activities along the four guide rail assemblies 23, obtaining a more accurate and stable coaxiality of the jaws 24. The grasping and surrounding property of the four jaws 24 is good, extremely high rigidity can be obtained, and consistent perpendicularity can be ensured.

[0023] There are multiple guide rail assemblies 23 in this embodiment, and the multiple guide rail assemblies 23 are arranged around the circumference of the bracket 22. Specifically, the four guide rail assemblies 23 are arranged along the circumferential direction of the central axis of the bracket 22. The guide rail assembly 23 uses a precision crossed roller guide as the slide rail, which has a compact structure, strong structural rigidity, is convenient for installation and use, has a long service life and small rolling friction, the adjustment precision can reach the micron level, the structural adjustment range is large, and the positioning effect is good.

[0024] The base 21 of this embodiment is provided with a cover plate 27. The cover plate 27 is hermetically connected to the top of the base 21. The cover plate 27 is provided with a sliding groove 28. The jaw 24 is slidably connected with the sliding groove 28. Specifically, as a preference, there are four sliding grooves 28. The four sliding grooves 28 are arranged around the circumference of the cover plate 27. The four jaws 24 are respectively slidably connected with the four sliding grooves 28, and the guiding effect is good, which helps to realize the directional sliding of the four jaws 24 along the sliding groove 28.

[0025] The driving member 3 of this embodiment includes a driving cylinder 31, a rack 32 drivingly connected to the driving cylinder 31, and a gear 33 meshing with the rack 32. The gear 33 is connected with the clamping assembly 2. Specifically, this structure uses the driving cylinder 31 as the power. The driving cylinder 31 drives the rack 32 to move horizontally. The rack 32 is in meshing transmission with the gear 33, thereby driving the gear 33 to rotate. The base 21 is connected with the gear 33, thereby driving the bracket 22 disposed on the base 21 to rotate together, so that the four jaws 24 disposed on the bracket 22 rotate back and forth to open or close, and the transmission efficiency is high.

[0026] The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. The content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A multi-claw self-centering device for an optical lens, characterized in that: It includes a cavity, a clamping assembly rotatably arranged in the cavity, and a driving member for driving the clamping assembly to rotate, the clamping assembly is driven to rotate back and forth relative to the cavity by the driving member, the clamping assembly includes a base, a bracket arranged on the base, a guide rail assembly arranged on the bracket, and a claw arranged on the guide rail assembly, the guide rail assembly is slidably connected with a reset plate, the reset plate is provided with a spring, one end of the spring abuts against the reset plate, one end of the spring abuts against the bracket, and the reset plate is connected to the claw.

2. The multi-claw self-centering device for optical lenses according to claim 1, characterized in that: The guide rail assemblies are provided in plurality, and the plurality of guide rail assemblies are arranged around the circumference of the bracket.

3. The multi-claw self-centering device for optical lenses according to claim 2, characterized in that: The base is provided with a cover plate, the cover plate is connected to the top of the base, the cover plate is provided with a sliding groove, and the clamping claw is slidably connected to the sliding groove.

4. The multi-claw self-centering device for optical lenses according to claim 1, characterized in that: The driving member comprises a driving cylinder, a rack drivingly connected to the driving cylinder, and a gear meshing with the rack, and the gear is connected to the clamping assembly.

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