Optical lens positioning clamp

Abstract

The utility model relates to the technical field of optical lens processing, and discloses an optical lens positioning clamp which comprises a processing table, a bearing base is arranged at the top of the processing table, a positioning mechanism is arranged at the top of the bearing base, and a clamping assembly is arranged at the top of the bearing base. According to the optical lens positioning clamp, the positioning mechanism is arranged, the LED lamp for center indication is arranged for midpoint positioning, the top end of the LED lamp for center indication is flush with the top of the inner connecting frame, the LED lamp for center indication does not protrude to affect placement and can make contact with a lens, and during placement, the LED lamp can be continuously pushed until the center of the lens is flush with the LED lamp for center indication; the LED lamp for center indication can emit light to facilitate positioning, so that a center point positioning reminding assembly can be arranged when the lens is positioned and placed, the lens can be aligned with the center point of the placing assembly, and the initial placing position does not incline and does not affect subsequent clamping.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical lens processing technical field, concretely is a kind of optical lens positioning fixture. BACKGROUND

[0002] As the core component of optical system, the performance and quality of optical lens play a decisive role in optical imaging, optical signal transmission, etc. In the manufacturing, detection and assembly process of optical lens, accurate positioning is crucial. As the key tooling for achieving this accurate positioning, the performance of optical lens positioning fixture directly affects the machining precision, detection accuracy and assembly quality of optical lens.

[0003] The prior art discloses a positioning back plate clamp for optical lens, the clamp includes a base plate and a back plate, the base plate is provided with a positioning frame on the outer periphery, the positioning frame is provided with a positioning groove, the four corners of the back plate are provided with positioning columns, and the back plate is provided with a plurality of unit grooves for placing the processed products; the front end of the back plate is provided with a power-provided air cylinder, the air cylinder is connected to one end of the back plate through a piston rod; the positioning groove of the positioning frame is provided with a lower buffer surface, the lower buffer surface in the positioning groove is higher in front and lower at the back with the end where the piston rod of the air cylinder is located as the front end; the positioning column is provided with an upper buffer surface, the slopes of the upper and lower buffer surfaces are matched, so that the positioning column can completely slide into the positioning groove; through the above scheme, the whole process can be completed by controlling the air cylinder only, the process is simple, the placement position of the product is accurate, and the yield rate and production efficiency of subsequent processing are improved.

[0004] The above-mentioned optical lens positioning fixture can be completed by controlling the air cylinder, the process is simple, the placement position of the product is accurate, and the yield rate and production efficiency of subsequent processing are improved, but the above-mentioned device does not set a center point positioning reminding component when positioning and placing the lens, and the lens cannot be aligned with the center point of the placing component, the initial placement position is inclined, which can affect the subsequent clamping, and the effect is not good during use, and improvement is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an optical lens positioning fixture to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an optical lens positioning fixture, comprising a machining table, a bearing base is arranged on the top of the machining table, a positioning mechanism is arranged on the top of the bearing base, and a clamping assembly is arranged on the top of the bearing base.

[0007] The positioning mechanism comprises a connecting frame, a connecting cylinder, a thickness detection sensor, a placing ring seat, an inner connecting frame, an inner connecting column, a placing shell and a center indicating LED lamp, the connecting frame is fixedly connected to the top front and back of the bearing base, the connecting cylinder is fixedly connected to the inside of the connecting frame, the thickness detection sensor is fixedly connected to the top of the connecting cylinder, the placing ring seat is fixedly connected to the top center of the bearing base, the inner connecting frame is fixedly connected to the inside of the placing ring seat, the inner connecting column is connected to the inside center of the inner connecting frame, the placing shell is fixedly connected to the top of the inner connecting column, the center indicating LED lamp is fixedly connected to the top of the placing shell, and a placing circular groove is formed in the inside center of the inner connecting frame.

[0008] Preferably, the clamping assembly comprises a placing frame, a hydraulic telescopic rod, a connecting vertical plate, a bottom end bearing block, a connecting rod, an elastic clamping jaw, an inner rubber pad, a limiting ring and a support, the bottom end bearing block is fixedly connected to the top of the bearing base, the placing frame is fixedly connected to the top of the bottom end bearing block, the support is fixedly connected to the side of the bottom end bearing block, the connecting vertical plate is fixedly connected to the top of the support, the hydraulic telescopic rod is fixedly connected to the side of the connecting vertical plate, the left side of the limiting ring is fixedly connected with a connecting square plate, the limiting ring is fixedly connected to the side of the hydraulic telescopic rod, an arc-shaped groove is formed in the inside of the elastic clamping jaw, and the inner rubber pad is fixedly connected to the inside of the elastic clamping jaw.

[0009] Preferably, the elastic clamping jaw is fixedly connected to one end of the connecting rod away from the side of the hydraulic telescopic rod.

[0010] Preferably, a through groove is formed in the side of the placing frame, the diameter of the through groove is matched with the diameter of the limiting ring, and the limiting ring is slidingly connected to the inside of the placing frame.

[0011] Preferably, the center of the center indicating LED lamp is aligned with the center of the placing ring seat.

[0012] Preferably, a threaded connecting section is fixedly connected to the left side of the surface of the connecting rod, a threaded groove is formed in the inner ring of the limiting ring, the connecting rod is threadedly connected to the inner ring of the limiting ring, and the threaded connecting section enables the limiting ring and the elastic clamping jaw on the side to be adjusted according to the thickness of the lens to be clamped, thereby ensuring the clamping precision and increasing the adaptability of the device.

[0013] Preferably, the model of the thickness detection sensor is PROSIS infrared online analysis thickness sensor, the thickness detection sensor can detect the thickness of the optical lens placed on the top of the placing ring seat, the detected data is the distance between the top of the optical lens and the top of the placing ring seat, the thickness of the lens can be obtained, and then the elastic clamping jaw of the adaptive size can be installed according to the requirement, thereby facilitating the precise clamping.

[0014] Compared with the prior art, the optical lens positioning clamp has the beneficial effects that:

[0015] 1. The optical lens positioning clamp is provided with a positioning mechanism, a center indicating LED lamp is arranged for midpoint positioning, the top end of the center indicating LED lamp is flush with the top of the inner connecting frame, cannot protrude to affect placement and can contact the lens, and the center of the lens can be continuously pushed until it is aligned with the center indicating LED lamp during placement, the center indicating LED lamp can emit bright light to facilitate positioning, the device can set a center point positioning reminding assembly when positioning and placing the lens, the center of the lens can be aligned with the center point of the placement assembly, and the initial placement position cannot be skewed and cannot affect subsequent clamping.

[0016] 2. The optical lens positioning clamp is provided with a clamping assembly, after a suitable type of elastic clamping jaw is installed, the hydraulic telescopic rods can drive the elastic clamping jaw to approach both sides of the lens, and the left and right two hydraulic telescopic rods are started at the same time, until the inner rubber pad on the inner side of the elastic clamping jaw contacts the two sides of the lens, the friction force can be increased to prevent the lens from sliding, the lens can be clamped without being clamped, and subsequent processing is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is the utility model Figure 1 It is an enlarged structure schematic view of position A;

[0019] Figure 3 It is a positioning mechanism three-dimensional structure schematic view of the utility model;

[0020] Figure 4 It is the utility model Figure 3 It is an enlarged structure schematic view of position B.

[0021] In the drawing: 1, processing table; 2, bearing base; 3, positioning mechanism; 301, connecting frame; 302, connecting barrel; 303, thickness detection sensor; 304, placing ring seat; 305, inner connecting frame; 306, inner connecting column; 307, placing shell; 308, center indicating LED lamp; 4, clamping assembly; 401, placing frame; 402, hydraulic telescopic rod; 403, connecting vertical plate; 404, bottom end bearing block; 405, connecting rod; 406, elastic clamping jaw; 407, inner rubber pad; 408, limiting ring; 409, supporting piece. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4 The present application provides the following technical solutions:

[0024] An optical lens positioning clamp, comprising a machining table 1, the top of the machining table 1 is provided with a bearing base 2, the top of the bearing base 2 is provided with a positioning mechanism 3, and the top of the bearing base 2 is provided with a clamping assembly 4.

[0025] The positioning mechanism 3 comprises a connecting frame 301, a connecting barrel 302, a thickness detection sensor 303, a placement ring seat 304, an inner connecting frame 305, an inner connecting column 306, a placement shell 307 and a center indicating LED lamp 308, the connecting frame 301 is fixedly connected to the top front surface and the top back surface of the bearing base 2, the connecting barrel 302 is fixedly connected to the inside of the connecting frame 301, the thickness detection sensor 303 is fixedly connected to the top of the connecting barrel 302, the placement ring seat 304 is fixedly connected to the top center of the bearing base 2, the inner connecting frame 305 is fixedly connected to the inside of the placement ring seat 304, the inner connecting column 306 is connected to the inside center of the inner connecting frame 305, the placement shell 307 is fixedly connected to the top of the inner connecting column 306, and the center indicating LED lamp 308 is fixedly connected to the top of the placement shell 307. The inside center of the inner connecting frame 305 is provided with a placement circular groove, the thickness detection sensor 303 is a PROSIS infrared online analysis thickness sensor, the thickness detection sensor 303 can detect the thickness of the optical lens placed on the top of the placement ring seat 304, the detected data is the distance between the top of the optical lens and the top of the placement ring seat 304, the thickness of the lens can be obtained, then the elastic clamping jaw 406 of the appropriate size can be installed according to the requirement, precise clamping is facilitated, and the center of the center indicating LED lamp 308 is aligned with the center of the placement ring seat 304.

[0026] The clamping assembly 4 comprises a placing rack 401, a hydraulic telescopic rod 402, a connecting vertical plate 403, a bottom end bearing block 404, a connecting rod piece 405, an elastic clamping jaw 406, an inner rubber pad 407, a limiting ring piece 408 and a supporting piece 409. The bottom end bearing block 404 is fixedly connected to the top of the bearing base 2. The placing rack 401 is fixedly connected to the top of the bottom end bearing block 404. The supporting piece 409 is fixedly connected to the side of the bottom end bearing block 404. The connecting vertical plate 403 is fixedly connected to the top of the supporting piece 409. The hydraulic telescopic rod 402 is fixedly connected to the side of the connecting vertical plate 403. The left side of the limiting ring piece 408 is fixedly connected with a connecting square plate. The limiting ring piece 408 is fixedly connected to the side of the hydraulic telescopic rod 402. The inside of the elastic clamping jaw 406 is provided with an arc-shaped groove. The inner rubber pad 407 is fixedly connected to the inside of the elastic clamping jaw 406. The elastic clamping jaw 406 is fixedly connected to one end of the connecting rod piece 405 away from the side of the hydraulic telescopic rod 402. The side of the placing rack 401 is provided with a through groove. The diameter of the through groove is adapted to the diameter of the limiting ring piece 408. The limiting ring piece 408 is slidingly connected to the inside of the placing rack 401. The surface left side of the connecting rod piece 405 is fixedly connected with a threaded connecting section. The inner ring of the limiting ring piece 408 is provided with a threaded groove. The connecting rod piece 405 is screwed to the inner ring of the limiting ring piece 408. The threaded connecting section enables the limiting ring piece 408 and the side elastic clamping jaw 406 to be adjusted according to the thickness of the clamped lens, thereby ensuring the clamping precision and increasing the adaptability of the device.

[0027] In use, the thickness of the optical lens placed on the top of the placing ring seat 304 can be detected by the thickness detection sensor 303, and the detected data is the distance between the top of the optical lens and the top of the placing ring seat 304, so that the thickness of the lens can be obtained, and then the elastic clamping jaw 406 of the appropriate size can be installed according to the requirements, and the threaded connection section on the surface of the connecting rod 405 needs to be aligned with the threaded groove in the limiting ring 408 during installation, and then screwed inward, and the final position of the elastic clamping jaw 406 needs to be ensured to be in a horizontal state to avoid deviation affecting the clamping of the lens, and the lens needs to be placed to ensure that the center is aligned with the center of the placing ring seat 304, so that the left and right clamping assemblies can accurately clamp the lens, and the inner connecting column 306 and the placing shell 307 are arranged in the inner connecting frame 305 for bearing the center indicating LED lamp 308 at the top, the top of the center indicating LED lamp 308 is flush with the top of the inner connecting frame 305 and does not protrude to affect the placement and can contact the lens, and the center indicating LED lamp 308 can emit light to facilitate positioning, so that the device can set the center point positioning reminding assembly when positioning the lens, and the center point of the lens and the placing assembly can be aligned, the initial placement position is not skewed and does not affect the subsequent clamping, the effect is good when in use, and the left and right clamping assemblies are arranged on the top of the bearing base 2, the elastic clamping jaw 406 of the appropriate size can be installed, and then the hydraulic telescopic rod 402 can drive the elastic clamping jaw 406 to approach the two sides of the lens, and the left and right hydraulic telescopic rods 402 are started at the same time, until the inner rubber pad 407 on the inner side of the elastic clamping jaw 406 contacts the two sides of the lens, the friction force can be increased to prevent the lens from sliding, and the lens can be clamped to facilitate subsequent processing.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An optical lens positioning jig comprising a machining table (1), characterized in that: The top of the processing table (1) is provided with a bearing base (2), the top of the bearing base (2) is provided with a positioning mechanism (3), and the top of the bearing base (2) is provided with a clamping assembly (4). The positioning mechanism (3) comprises a connecting frame (301), a connecting barrel (302), a thickness detection sensor (303), a placement ring seat (304), an inner connecting frame (305), an inner connecting column (306), a placement shell (307) and a center indicating LED lamp (308), the connecting frame (301) is fixedly connected to the top front and back of the bearing base (2), the connecting barrel (302) is fixedly connected to the inside of the connecting frame (301), the thickness detection sensor (303) is fixedly connected to the top of the connecting barrel (302), the placement ring seat (304) is fixedly connected to the top center of the bearing base (2), the inner connecting frame (305) is fixedly connected to the inside of the placement ring seat (304), the inner connecting column (306) is connected to the inside center of the inner connecting frame (305), the placement shell (307) is fixedly connected to the top of the inner connecting column (306), and the center indicating LED lamp (308) is fixedly connected to the top of the placement shell (307). The inside center of the inner connecting frame (305) is provided with a placement circular groove.

2. An optical lens positioning jig according to claim 1, characterized in that: The clamping assembly (4) comprises a placement frame (401), a hydraulic telescopic rod (402), a connecting vertical plate (403), a bottom end bearing block (404), a connecting rod (405), an elastic clamping jaw (406), an inner rubber pad (407), a limiting ring (408) and a supporting piece (409), the bottom end bearing block (404) is fixedly connected to the top of the bearing base (2), the placement frame (401) is fixedly connected to the top of the bottom end bearing block (404), the supporting piece (409) is fixedly connected to the side of the bottom end bearing block (404), the connecting vertical plate (403) is fixedly connected to the top of the supporting piece (409), the hydraulic telescopic rod (402) is fixedly connected to the side of the connecting vertical plate (403), the left side of the limiting ring (408) is fixedly connected with a connecting square plate, the limiting ring (408) is fixedly connected to the side of the hydraulic telescopic rod (402), and the inside of the elastic clamping jaw (406) is provided with an arc-shaped groove. The inner rubber pad (407) is fixedly connected to the inside of the elastic clamping jaw (406).

3. An optical lens positioning jig according to claim 2, characterized in that: The elastic clamping jaw (406) is fixedly connected to one end of the connecting rod (405) away from the side of the hydraulic telescopic rod (402).

4. An optical lens positioning jig according to claim 2, characterized in that: A through groove is formed in the side of the placement frame (401), and the diameter of the through groove is matched with the diameter of the limiting ring (408), and the limiting ring (408) is slidingly connected to the inside of the placement frame (401).

5. An optical lens positioning jig according to claim 1, characterized in that: The center of the center indicating LED lamp (308) is aligned with the center of the placement ring seat (304).

6. An optical lens positioning jig according to claim 2, characterized in that: The surface left side of the connecting rod (405) is fixedly connected with a threaded connecting section, the inner ring of the limiting ring (408) is provided with a threaded groove, and the connecting rod (405) is screwed into the inner ring of the limiting ring (408).

7. An optical lens positioning jig according to claim 1, characterized in that: The thickness detection sensor (303) is a PROSIS infrared online analysis thickness sensor.

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