Multi-station clamping mechanism for optical lens machining

Abstract

The utility model relates to the technical field of optical lens machining equipment, in particular to a multi-station clamping mechanism for optical lens machining. A push block used for abutting against the lens in the radial direction is elastically and movably arranged on one side of the lens clamping base. The shifting assembly is used for shifting the push block, so that the push block is separated from the lens in the lens clamping seat; the shifting assembly comprises a U-shaped shifting block, the first end of the U-shaped shifting block is hinged to the rack, a driving mechanism is hinged to the bottom, close to the first end, of the U-shaped shifting block, and the driving mechanism is used for driving the U-shaped shifting block to rotate around a hinge shaft of the first end, so that the second end of the U-shaped shifting block is close to or away from the push block; and the limiting roller and the second end part of the U-shaped shifting block are used for shifting the push block to be separated from the lens in the lens clamping seat. Due to the design of the turntable, the lenses can be processed and filled at a plurality of stations at the same time, and the clamping and processing efficiency is remarkably improved by matching with the automatic shifting assembly.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of optical lens processing equipment, and particularly relates to a multi-station clamping mechanism for optical lens processing. BACKGROUND

[0002] In the production process of optical lenses, various processes such as grinding, polishing and coating need to be performed on the lens surface, and tooling fixtures need to be used to assist production. The existing tooling fixtures are usually specially designed and manufactured according to the characteristics of the lenses and the processing steps, and have poor universality. In addition, each clamping station needs to be matched with a corresponding clamping mechanism, which is complex and has high manufacturing cost. Moreover, the single clamping fixture has low clamping efficiency, which affects the production and processing efficiency. CONTENT OF THE UTILITY MODEL

[0003] The technical problem to be solved by the utility model is to solve the deficiencies in the prior art and provide a multi-station clamping mechanism for optical lens processing, which aims to at least simplify the lens clamping fixture mechanism and improve the clamping efficiency.

[0004] The utility model adopts the technical scheme that

[0005] A multi-station clamping mechanism for optical lens processing, comprising a rack and a rotating disc rotatably arranged on the rack, wherein a plurality of fixture assemblies for clamping lenses are arranged on the rotating disc.

[0006] The fixture assembly comprises a lens clamping seat, and a push block for radially abutting against the lens is elastically movably arranged on one side of the lens clamping seat.

[0007] The multi-station clamping mechanism further comprises a poking assembly, which is used to poke the push block so that the push block is separated from the lens in the lens clamping seat.

[0008] The poking assembly comprises a U-shaped poking block, a first end portion of the U-shaped poking block is hinged to the rack, and a driving mechanism is hinged to the bottom near the first end portion, the driving mechanism is used to drive the U-shaped poking block to rotate around the first end portion hinge shaft, so that the second end portion of the U-shaped poking block is close to or away from the push block.

[0009] A limiting roller is arranged on the push block, and the limiting roller and the second end portion of the U-shaped poking block are used to poke the push block to separate the lens in the lens clamping seat.

[0010] Preferably, the multi-station clamping mechanism for optical lens processing further comprises a limiting slide, which is used to limit the sliding of the push block close to or away from the lens in the lens clamping seat.

[0011] Preferably, the utility model discloses a kind of multi-station clamping mechanisms for optical lens processing, the clamp assembly further includes reset elastic member, the reset elastic member is located between limit slide and lens clamping seat, for elastic pushing push block close to or pressing lens in lens clamping seat.

[0012] Preferably, the utility model discloses a kind of multi-station clamping mechanisms for optical lens processing, the reset elastic member includes first mounting seat fixed on rotating disc, spring piece is fixedly connected on the first mounting seat, the other end of the spring piece is movably connected with second mounting seat, and the second mounting seat is fixedly connected on push block.

[0013] Preferably, the utility model discloses a kind of multi-station clamping mechanisms for optical lens processing, the drive mechanism further includes driving cylinder hinged on rack, and the telescopic rod end of the driving cylinder is hinged on the bottom of U-shaped shift block close to first end, for driving U-shaped shift block rotates around first end hinged shaft.

[0014] Preferably, the utility model discloses a kind of multi-station clamping mechanisms for optical lens processing, the lower end of the rotating shaft of the rotating disc is further connected with slewing drive mechanism, and the slewing drive mechanism is used to drive rotating disc rotation.

[0015] The utility model has the advantages that:

[0016] Improve versatility, through the design multi-station clamp assembly, can adapt to different specifications and types of lens processing demand, improve the versatility of tooling fixture;

[0017] Simplify mechanism, a group of U-shaped shift block and driving cylinder combination is used to realize the unlocking of multiple sets of clamping positions, simplify the complex structure of clamping mechanism, reduce manufacturing cost;

[0018] Improve efficiency, rotating disc design makes multiple stations can be processed and filled lens simultaneously, cooperate with automatic shift component, significantly improve clamping and processing efficiency. DRAWINGS

[0019] The technical scheme of the present application is further illustrated below in conjunction with the drawings and examples.

[0020] Figure 1 It is the working state schematic diagram when the U-shaped shift block limiting roller of the embodiment of the application starts to contact;

[0021] Figure 2 It is the schematic diagram after the U-shaped shift block limiting roller of the embodiment of the application is separated.

[0022] Reference numerals in the drawings are:

[0023] Rotating disc 10, clamp assembly 20, shift component 30;

[0024] Lens clamping seat 21, push block 22, limiting slide 23, reset elastic member 24, U-shaped push block 31, driving cylinder 32;

[0025] Limiting roller 221. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0027] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified and limited, the term "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] The technical solutions of the present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0030] EMBODIMENT

[0031] The present embodiment provides a multi-station clamping mechanism for optical lens processing, which refers to Figure 1 and Figure 2 The structure includes a rack and a rotating disc 10 rotatably arranged on the rack. In actual use, the rack is generally the machine body structure of a processing device (such as a grinding device, a polishing device, etc.) or a mounting rack fixed on the device machine body.

[0032] The lower end of the rotating shaft of the rotating disc 10 is also connected with a rotary driving mechanism, which is used for driving the rotating disc 10 to rotate, and in the embodiment, the specific rotary driving mechanism is not shown, and the rotary driving mechanism generally adopts a divider driving device to realize the equal-angle intermittent rotation of the rotating disc 10.

[0033] In the embodiment, four clamp assemblies 20 are arranged on the rotating disc 10 and are uniformly distributed at equal angles, and four pieces of lenses can be clamped simultaneously for the lens machining operation, so that the lens loading is realized during the machining, thereby improving the efficiency of the lens machining.

[0034] It should be noted that the utility model can also be used for simultaneously performing various lens machining steps on different clamp assemblies 20, thereby further improving the efficiency of the lens machining.

[0035] Preferably, the multi-station clamping mechanism for optical lens machining in the embodiment, the clamp assembly 20 comprises a lens clamping seat 21, the lens clamping seat 21 is provided with a lens clamping groove, one side of the lens clamping groove is open, and a push block 22 for radially abutting against the lens is movably arranged at the opening, and the end of the push block 22 in contact with the lens is provided as a V-shaped structure, which can be adapted to various sizes of lenses for abutting operation.

[0036] Preferably, the multi-station clamping mechanism for optical lens machining in the embodiment, the clamp assembly 20 further comprises a limiting sliding channel 23, and the push block 22 is slidingly installed in the limiting sliding channel 23, so that the push block 22 slides along the direction close to or away from the lens in the lens clamping seat 21.

[0037] Preferably, the multi-station clamping mechanism for optical lens machining in the embodiment, the clamp assembly 20 further comprises a reset elastic member 24, the reset elastic member 24 comprises a first mounting seat fixed on the rotating disc 10, a spring sheet is fixedly connected to the first mounting seat, the other end of the spring sheet is movably connected with a second mounting seat, specifically, the spring sheet and the second mounting seat are provided with a waist hole in correspondence, and the two waist holes are inserted by a limiting pin, the second mounting seat is fixedly connected to the push block 22, and the second mounting seat is located between the limiting sliding channel 23 and the lens clamping seat 21.

[0038] In actual work, when the lens is clamped to the lens clamping seat 21, the spring sheet is deformed, and the V-shaped end of the push block 22 is abutted on the circumferential side of the lens, when the V-shaped end of the push block 22 is pushed away from the lens by an external force, the second mounting seat and the spring sheet move relatively, and the deformation amount of the spring sheet increases.

[0039] It should be noted that the number of spring sheets or the corresponding elastic coefficients can be set according to actual needs. When the clamping force of the lens clamping is not high, one spring sheet is arranged between the first mounting seat and the second mounting seat; when the clamping force of the lens clamping is increased, two or more spring sheets can be arranged between the first mounting seat and the second mounting seat to increase the clamping force of the lens clamping.

[0040] Preferably, the multi-station clamping mechanism for processing optical lenses of the embodiment further comprises a poking assembly 30 for poking the push block 22 so that the push block 22 is separated from the lens in the lens clamping seat 21.

[0041] Specifically, in the embodiment, the poking assembly 30 comprises a U-shaped poking block 31, the first end of the U-shaped poking block 31 is hinged to the rack through a hinge, and a driving cylinder 32 is hinged to the bottom of the U-shaped poking block 31 close to the first end, the cylinder body lower end of the driving cylinder 32 connected to the rack is hinged to the rack, the driving cylinder 32 extends and retracts to drive the U-shaped poking block 31 to rotate around the first end hinged shaft, when the driving cylinder completes the extension, the U-shaped poking block 31 is in a horizontal state, the limiting roller 221 is arranged on the push block 22, when the rotating disc 10 rotates, the limiting roller 221 on the push block 22 contacts the second end of the U-shaped poking block 31, with the continuous rotation of the rotating disc 10, the limiting roller 221 rolls in contact with the second end of the U-shaped poking block 31, and the push block 22 is pushed away from the lens, at this time, the processed lens can be taken out and the new lens to be processed can be loaded, at this time, the rotating speed of the rotating disc 10 is set according to the required loading time, or the rotating disc 10 stops rotating, the limiting roller 221 keeps in contact with the U-shaped poking block 31, and the rotating disc 10 rotates again after the loading is completed or the processing steps are completed; when the limiting roller 221 is separated from the second end of the U-shaped poking block 31, the V-shaped end of the push block 22 driven by the spring sheet rebound force positions and abuts against the lens in the lens clamping seat 21, facilitating subsequent processing.

[0042] Based on the above ideal embodiments according to the application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the application. The technical scope of the application is not limited to the contents in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A multi-station clamping mechanism for optical lens processing, characterized in that, The utility model relates to a lens clamping device, which comprises a frame and a rotating disc (10) rotatably arranged on the frame, wherein a plurality of clamp assemblies (20) for clamping lenses are arranged on the rotating disc (10). The clamp assembly (20) comprises a lens clamping seat (21), and a push block (22) for radially abutting against a lens is elastically movably arranged on one side of the lens clamping seat (21). The utility model further comprises a poking assembly (30) for poking the push block (22) so that the push block (22) is separated from the lens in the lens clamping seat (21). The poking assembly (30) comprises a U-shaped poking block (31), a first end portion of the U-shaped poking block (31) is hinged to the frame, a driving mechanism is hinged to the bottom near the first end portion, and the driving mechanism is used for driving the U-shaped poking block (31) to rotate around the first end portion hinged shaft so that a second end portion of the U-shaped poking block (31) is close to or away from the push block (22). A limiting roller (221) is arranged on the push block (22), and the limiting roller (221) is used for poking the push block (22) to be separated from the lens in the lens clamping seat (21) when the second end portion of the U-shaped poking block (31) is close to the push block (22).

2. The multi-station clamping mechanism for optical lens processing according to claim 1, wherein, The clamp assembly (20) further comprises a limiting sliding channel (23) for limiting and guiding the push block (22) to slide close to or away from the lens in the lens clamping seat (21).

3. The multi-station clamping mechanism for optical lens processing according to claim 2, wherein, The clamp assembly (20) further comprises a reset elastic member (24) between the limiting sliding channel (23) and the lens clamping seat (21), which is used for elastically pushing the push block (22) to be close to or abut against the lens in the lens clamping seat (21).

4. The multi-station clamping mechanism for optical lens processing according to claim 3, wherein, The reset elastic member (24) comprises a first mounting seat fixed on the rotating disc (10), a spring sheet is fixedly connected to the first mounting seat, a second mounting seat is movably connected to the other end of the spring sheet, and the second mounting seat is fixedly connected to the push block (22).

5. A multi-station holding mechanism for optical lens processing according to any one of claims 1 to 4, characterized in that, The driving mechanism further comprises a driving cylinder (32) hinged to the frame, and the telescopic rod end of the driving cylinder (32) is hinged to the bottom near the first end portion of the U-shaped poking block (31), which is used for driving the U-shaped poking block (31) to rotate around the first end portion hinged shaft.

6. The multi-station clamping mechanism for optical lens processing according to claim 1, wherein, The lower end of the rotating shaft of the rotating disc (10) is further connected with a rotary driving mechanism, and the rotary driving mechanism is used for driving the rotating disc (10) to rotate.

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