Fixture for milling and grinding optical lens

Abstract

The utility model belongs to the technical field of clamps, and particularly relates to a clamp for milling and grinding optical lenses, which comprises a base, a limit seat is fixedly mounted at the top of the base, a telescopic rod is fixedly mounted at the top of the base and positioned on the outer side of the limit seat, and an abutting plate is fixedly mounted at the top of the telescopic rod. A spring is arranged on the telescopic rod and located between the base and the abutting plate in a sleeving mode, connecting bases are symmetrically installed on the two sides of the top of the base, loading bases are fixedly installed on the tops of the connecting bases, first clamping arms are rotatably installed on the loading bases, and second clamping arms are rotatably installed on the tops of the first clamping arms. According to the device, the rubber nozzle clamps the upper half part of the optical lens, and milling and grinding are carried out on the side surface of the lens and the two sides, which are not in contact with the propping plate, of the lens, so that the lens is milled and ground under the condition that the top is clamped and the bottom is elastically propped, and the milling and grinding smoothness of the lens is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of clamp, specifically a kind of optical lens milling and grinding processing clamp. BACKGROUND

[0002] In optical lens manufacturing industry, milling and grinding processing is a crucial link, which directly determines the final shape, size and surface quality of lens;

[0003] Optical lens, especially high-precision lenses, such as telescope lenses, microscope lenses and lenses in various optical instruments, have very high requirements for processing precision and surface finish.

[0004] In the processing of optical lenses, milling and grinding equipment is needed for processing. When the milling and grinding equipment processes damaged or severely concave-convex optical lenses, the traditional lens clamp is too rigid to ensure the processing effect of optical lenses. Therefore, a kind of optical lens milling and grinding processing clamp is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the shortcomings of the prior art and solve at least one technical problem in the background art, the utility model provides a kind of optical lens milling and grinding processing clamp.

[0006] The utility model solves the technical problems thereof by adopting the technical scheme that the utility model discloses a kind of optical lens milling and grinding processing clamp, including base, the top of the base is fixedly installed with limit seat, the top of the base and the outer side of the limit seat are fixedly installed with telescopic rod, the top of the telescopic rod is fixedly installed with resistance board, spring is set on the telescopic rod and between the base and the resistance board, the two sides of the top of the base are symmetrically installed with connecting seat, the top of the connecting seat is fixedly installed with loading seat, the first clamping arm is rotatably installed on the loading seat, the top of the first clamping arm is rotatably installed with second clamping arm, clamping sleeve is fixedly installed on the second clamping arm, rubber mouth is provided on the clamping sleeve, steel curtain line is embedded in the inner side of the rubber mouth, and the end of the second clamping arm close to the first clamping arm is provided with driving mechanism.

[0007] Preferably, positioning grooves are symmetrically formed in the base.

[0008] Preferably, the driving mechanism includes a mounting seat fixedly installed on the first clamping arm, an electric push rod fixedly installed on the mounting seat, and a rotating shaft inserted into the top of the electric push rod.

[0009] Preferably, a receiving seat is fixedly provided on the second clamping arm away from the clamping sleeve, and the receiving seat is rotatably connected with the rotating shaft.

[0010] Preferably, the first clamping arm is provided with a bevel at one end thereof and close to the second clamping arm.

[0011] Preferably, the clamping sleeve is provided with a connecting groove, and the rubber nozzle is clamped with the inner side of the connecting groove.

[0012] The utility model discloses a beneficial effect:

[0013] The utility model provides a kind of optical lens milling and grinding processing clamp, the fixed installation of the top of base is used to limit the contraction range of telescopic link and spring, when the resistance of resistance board and limit seat occurs, telescopic link and spring contraction range to minimum, the telescopic link for loading resistance board is fixedly installed on the outer side of the limit seat of the top of base, and realizes contraction and extension under the cooperation of spring, so that when the device is milled and ground to the optical lens of breakage or side uneven, make lens always keep with milling and grinding equipment in the state of resistance, so as to improve the milling and grinding effect of optical lens, in addition, it needs to be explained that the upper half of optical lens is clamped by the rubber nozzle of the device, and it is milled and ground on the side of lens and the two sides of lens not being contacted with resistance board, so as to guarantee that lens is milled and ground in the condition of top clamping and bottom elastic top holding, so as to guarantee the smoothness of lens milling and grinding, the resistance board for resisting when lens processing is fixedly installed on the top of telescopic link, on the bottom side of relative position of lens, is resisted, the spring for driving telescopic link to contract or extend is fixedly installed on telescopic link and is sleeved between the bottom seat and the resistance board;

[0014] The connecting seat for loading loading seat is symmetrically installed on the both sides of the top of base, the loading seat for loading first clamping arm is fixedly installed on the top of connecting seat, the first clamping arm for loading second clamping arm and drive mechanism is rotatably installed on loading seat, the second clamping arm for loading clamping sleeve is rotatably installed on the top of first clamping arm, the clamping sleeve for loading rubber nozzle is fixedly installed on second clamping arm, the rubber nozzle for clamping the positive and negative sides of lens is arranged on clamping sleeve, the steel curtain line embedded in the inner side of rubber nozzle is used to enhance the toughness of rubber nozzle, in the state of keeping elastic clamping, it can also prolong its service life, the drive mechanism for driving second clamping arm to extend is arranged on the one end of second clamping arm close to the first clamping arm, to realize the clamping and release of lens by the device. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the present application, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute improper limitation to the utility model.

[0016] In the drawings:

[0017] Figure 1 is the overall structure schematic diagram of the utility model;

[0018] Figure 2 is the structure schematic diagram of the limiting seat in the utility model;

[0019] Figure 3 is the structure schematic diagram of the first clamping arm in the utility model;

[0020] Figure 4 is the structure schematic diagram of the second clamping arm in the utility model.

[0021] Legend:

[0022] 1, base, 2, positioning groove, 3, connecting seat, 4, loading seat, 5, first clamping arm, 6, mounting seat, 7, electric push rod, 8, pivot, 9, second clamping arm, 10, receiving seat, 11, inclined plane, 12, clamping sleeve, 13, connecting groove, 14, rubber nozzle, 15, steel cord, 16, telescopic rod, 17, spring, 18, abutting plate, 19, limiting seat. Specific embodiments

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] The specific embodiments are given below.

[0025] Please refer to Figures 1-4 The utility model provides a kind of optical lens milling and grinding processing clamp, including base 1, the top of the base 1 is fixedly installed with limiting seat 19, telescopic rod 16 is fixedly installed on the top of the base 1 and located the outside of the limiting seat 19, the top of telescopic rod 16 is fixedly installed with abutting plate 18, spring 17 is set on telescopic rod 16 and located between the base 1 and the abutting plate 18, connecting seat 3 is symmetrically installed on the top of the base 1, loading seat 4 is fixedly installed on the top of connecting seat 3, first clamping arm 5 is rotatably installed on loading seat 4, second clamping arm 9 is rotatably installed on the top of first clamping arm 5, clamping sleeve 12 is fixedly installed on second clamping arm 9, rubber nozzle 14 is provided on clamping sleeve 12, steel cord 15 is embedded in the inside of rubber nozzle 14, and drive mechanism is provided on the end of second clamping arm 9 close to first clamping arm 5.

[0026] In operation, the base 1 is used to load the connecting seat 3, the limiting seat 19 and the telescopic rod 16, and the bottom of the base 1 is connected with a processing platform which is mature prior art and will not be described herein;

[0027] The limiting seat 19 fixedly installed on the top of the base 1 is used to limit the contraction range of the telescopic rod 16 and the spring 17, when the abutting plate 18 abuts against the limiting seat 19, the telescopic rod 16 and the spring 17 are contracted to the minimum value, the telescopic rod 16 fixedly installed on the top of the base 1 and outside the limiting seat 19 is used to load the abutting plate 18, and is contracted and expanded under the cooperation of the spring 17, so that the lens always abuts against the milling equipment when the device mills the damaged or uneven optical lens, thereby improving the milling effect of the optical lens, in addition, it should be noted that the rubber nozzle 14 of the device clamps the upper half of the optical lens, and the lens is milled on the side and the two sides not in contact with the abutting plate 18, so that the lens is milled under the condition that the lens is clamped at the top and elastically supported at the bottom, thereby ensuring the smoothness of the lens milling, the abutting plate 18 fixedly installed on the top of the telescopic rod 16 is used to abut against the lens on the bottom side of the relative position during lens processing, and the spring 17 sleeved on the telescopic rod 16 between the base 1 and the abutting plate 18 is used to drive the telescopic rod 16 to contract or expand;

[0028] The abutting of the abutting plate 18 is according to the consumption of lens milling;

[0029] The connecting seat 3 symmetrically installed on the top of the base 1 is used to load the loading seat 4, the loading seat 4 fixedly installed on the top of the connecting seat 3 is used to load the first clamping arm 5, the first clamping arm 5 rotatably installed on the loading seat 4 is used to load the second clamping arm 9 and the driving mechanism, the second clamping arm 9 rotatably installed on the top of the first clamping arm 5 is used to load the clamping sleeve 12, the clamping sleeve 12 fixedly installed on the second clamping arm 9 is used to load the rubber nozzle 14, the rubber nozzle 14 provided on the clamping sleeve 12 is used to clamp the front and back sides of the lens, the steel cord 15 embedded in the inner side of the rubber nozzle 14 is used to enhance the toughness of the rubber nozzle 14, and the service life of the rubber nozzle 14 can be prolonged under the condition of maintaining elastic clamping, and the driving mechanism provided on one end of the second clamping arm 9 close to the first clamping arm 5 is used to drive the second clamping arm 9 to extend, so as to realize the clamping and releasing of the lens by the device.

[0030] Further, as shown in Figure 2 The base 1 is symmetrically provided with a positioning groove 2;

[0031] During operation, the positioning grooves 2 symmetrically opened on the base 1 are used to improve the stability of the connection between the processing machine table and this device.

[0032] Furthermore, such as Figure 3 As shown, the driving mechanism includes a mounting base 6 fixedly mounted on the first clamping arm 5, an electric push rod 7 fixedly mounted on the mounting base 6, and a rotating shaft 8 inserted into the top of the electric push rod 7;

[0033] During operation, the mounting base 6 fixedly installed on the first clamping arm 5 is used to load the electric push rod 7, and the electric push rod 7 fixedly installed on the mounting base 6 is used to load the rotating shaft 8. The rotating shaft 8 inserted into the top of the electric push rod 7 is used to support the electric push rod 7 and the receiving seat 10. Specifically, by activating the electric push rod 7, the electric push rod 7 drives the rotating shaft 8 to move together, the rotating shaft 8 drives the receiving seat 10 to move together, the receiving seat 10 drives the second clamping arm 9 to move together, and the second clamping arm 9 drives the clamping sleeve 12 and the rubber nozzle 14 to move together, thereby realizing the clamping and releasing of the lens by this device.

[0034] Furthermore, such as Figure 3 As shown, a receiving seat 10 is fixedly provided on the second clamping arm 9 away from the clamping sleeve 12, and the receiving seat 10 is rotatably connected to the rotating shaft 8;

[0035] During operation, the receiving seat 10, which is fixedly set away from the clamping sleeve 12, is used to connect the second clamping arm 9 and the electric push rod 7. The rotating shaft 8 ensures the rotational connection between the electric push rod 7 and the receiving seat 10, so that when the electric push rod 7 pushes, it drives the two second clamping arms 9 to gradually become parallel and close together, thereby achieving the clamping of the lens.

[0036] Furthermore, such as Figure 3 As shown, a slope 11 is provided on the first clamping arm 5 and at one end near the second clamping arm 9;

[0037] During operation, the inclined surface 11 opened on the first clamping arm 5 and near the end of the second clamping arm 9 is used to cooperate with the rotation of the receiving seat 10, so that the receiving seat 10 has enough rotation space when rotating.

[0038] Furthermore, such as Figure 3 As shown, the clamping sleeve 12 has a connecting groove 13, and the rubber nozzle 14 is engaged with the inner side of the connecting groove 13;

[0039] During operation, the connecting groove 13 on the clamping sleeve 12 is used for easy assembly and disassembly of the rubber nozzle 14.

[0040] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A jig for milling and grinding an optical lens, comprising a base (1), characterized in that: The top of the base (1) is fixedly installed with a limiting seat (19), the top of the base (1) and outside the limiting seat (19) is fixedly installed with a telescopic rod (16), the top of the telescopic rod (16) is fixedly installed with a bearing plate (18), the telescopic rod (16) is sleeved with a spring (17) between the base (1) and the bearing plate (18), the both sides of the top of the base (1) are symmetrically installed with a connecting seat (3), the top of the connecting seat (3) is fixedly installed with a loading seat (4), the loading seat (4) is rotatably installed with a first clamping arm (5), the top of the first clamping arm (5) is rotatably installed with a second clamping arm (9), the second clamping arm (9) is fixedly installed with a clamping sleeve (12), the clamping sleeve (12) is provided with a rubber nozzle (14), the inner side of the rubber nozzle (14) is embedded with a steel cord (15), one end of the second clamping arm (9) close to the first clamping arm (5) is provided with a driving mechanism.

2. The fixture of claim 1, wherein: The base (1) is symmetrically provided with a positioning groove (2).

3. The fixture of claim 1, wherein: The driving mechanism comprises a mounting seat (6) fixedly installed on the first clamping arm (5), the mounting seat (6) is fixedly installed with an electric push rod (7), the top of the electric push rod (7) is inserted with a rotating shaft (8).

4. The fixture of claim 3, wherein: The second clamping arm (9) is fixedly provided with a receiving seat (10) away from the clamping sleeve (12), and the receiving seat (10) is rotatably connected with the rotating shaft (8).

5. The fixture of claim 1, wherein: The first clamping arm (5) is provided with an inclined surface (11) at one end close to the second clamping arm (9).

6. The fixture of claim 1, wherein: The clamping sleeve (12) is provided with a connecting groove (13), and the rubber nozzle (14) is connected with the inner side of the connecting groove (13).

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