Clamping tool for lens machining

Abstract

The clamping tool for lens machining comprises supports, a clamping seat is arranged between the supports, a working opening is formed in the clamping seat, at least two hydraulic push rods are arranged in the clamping seat, the output ends of the hydraulic push rods penetrate through the working opening in a sliding mode and are symmetrically arranged, and the hydraulic push rods are arranged on the clamping seat. A U-shaped clamping pipe is arranged at the output end of the hydraulic push rod, and an oil supply pipe used for supplying oil to the hydraulic push rod is connected to the clamping base. The lens clamping device has the advantages that the lens clamping device can be applied to clamping lenses of different shapes, and the whole clamping operation is very convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of lens processing and production, and particularly relates to a clamping tooling for lens processing. Background Technique

[0002] A lens is a transparent material made of optical materials such as glass or resin and having one or more curved surfaces. After grinding, it is often assembled with a spectacle frame to form glasses, which are used to correct the vision of users and obtain a clear field of view. There are many classification methods for lenses, and they can be classified according to the material, function, and curved surface processing technology of the lenses.

[0003] During the processing of lenses, operations such as drilling and polishing the lenses are required. When processing lenses, a clamping device is needed to firmly clamp them. The existing lens clamping devices can only clamp lenses of a single shape and cannot adapt to the clamping of lenses of different shapes. Moreover, before clamping the lens, it must be placed in a specific position to ensure firm clamping, making the entire clamping operation very inconvenient.

[0004] Therefore, it is necessary to propose a clamping tooling for lens processing, which can not only be applied to the clamping of lenses of different shapes, but also make the entire clamping operation very convenient. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and propose a clamping tooling for lens processing, which can not only be applied to the clamping of lenses of different shapes, but also make the entire clamping operation very convenient.

[0006] The purpose of the utility model is achieved by the following technical solutions: A clamping tooling for lens processing, including a bracket, a clamping seat is arranged between the brackets, a working opening is provided on the clamping seat, at least two hydraulic push rods are arranged in the clamping seat, the output ends of at least two hydraulic push rods slide through the working opening and are symmetrically arranged, a U-shaped clamping tube is arranged at the output end of the hydraulic push rod, and an oil supply pipe for supplying oil to the hydraulic push rod is connected to the clamping seat.

[0007] The clamping seat is rotatably arranged on the bracket, and a rotating motor for driving the clamping seat to rotate is arranged on the bracket.

[0008] An oil supply sleeve ring assembly is sleeved on the clamping seat, the oil supply sleeve ring assembly includes a first hollow sleeve ring fixedly sleeved, the interior of the first hollow sleeve ring is communicated with the hydraulic push rod, a second hollow sleeve ring is rotatably sleeved on the outer wall of the first hollow sleeve ring, the interior of the second hollow sleeve ring is communicated with the interior of the first hollow sleeve ring, and the second hollow sleeve ring is communicated with the oil supply pipe.

[0009] The clamping seat is connected with an oil outlet pipe, the oil outlet pipe is communicated with the hydraulic push rod, and an oil drain valve is arranged on the oil outlet pipe.

[0010] The oil drain valve includes a valve body, an oil inlet and a first oil outlet are formed on the valve body, a cavity communicated with the oil inlet and the first oil outlet is formed in the valve body, a baffle for isolating the communication between the oil inlet and the first oil outlet is slidably arranged in the cavity, and a return spring with one end connected to the baffle is arranged in the valve body.

[0011] A telescopic rod with two ends respectively connected to the baffle and the inner wall of the cavity is arranged in the valve body, and the return spring is sleeved on the telescopic rod.

[0012] A second oil outlet is formed on the cavity, a sliding groove communicated with the first oil outlet and the second oil outlet is formed in the valve body, a partition plate matched with the size of the sliding groove is slidably arranged in the sliding groove, and a third oil outlet for communicating the first oil outlet and the second oil outlet is formed on the partition plate.

[0013] A lead screw is rotatably arranged in the sliding groove, the partition plate is in threaded rotational sleeve connection with the lead screw, and a handle connected to the lead screw is rotatably arranged on the valve body.

[0014] A rubber pad is arranged on the inner wall of the U-shaped clamping pipe.

[0015] The beneficial effects of the utility model are as follows: By arranging symmetric hydraulic push rods, oil is supplied to the hydraulic push rods to clamp the lens. No matter what the structure of the lens is or where the lens is placed, after all the hydraulic push rods are in contact with the lens, continue to supply oil, and then apply force simultaneously to firmly clamp the lens. It also ensures that the clamping force received by each clamping point of the lens is the same, and the lens will not be damaged during the clamping process due to uneven clamping force at each point. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the utility model;

[0017] Figure 2 It is a top view of the clamping seat;

[0018] Figure 3 It is a schematic diagram of the oil supply collar assembly;

[0019] Figure 4 It is a cross-sectional view of the oil drain valve;

[0020] In the figure, 1 - support, 11 - rotating motor, 2 - clamping seat, 21 - working port, 22 - hydraulic push rod, 23 - U-shaped clamping tube, 24 - rubber pad, 3 - oil supply pipe, 4 - oil supply collar assembly, 41 - first hollow collar, 42 - second hollow collar, 5 - oil outlet pipe, 6 - oil drain valve, 61 - valve body, 62 - oil inlet, 63 - first oil outlet, 64 - cavity, 65 - baffle, 66 - return spring, 67 - telescopic rod, 68 - second oil outlet, 69 - chute, 610 - partition, 611 - third oil outlet, 612 - lead screw, 613 - handle. Detailed implementation manner

[0021] Next, the technical solutions of the present utility model will be described clearly and completely in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present utility model.

[0022] It should be noted that the orientation concepts of "left", "right", "up", "down", "front", "back", "inside", and "outside" in the following solutions are all relative directions, and will not be listed one by one here.

[0023] A clamping tool for lens processing, refer to Figure 1 and Figure 2 , including a support 1. A clamping seat 2 is rotatably arranged between the supports 1. A rotating motor 11 for driving the clamping seat 2 to rotate is arranged on the support 1. A working port 21 is opened on the clamping seat 2. The working port 21 is open on the front, upper, and lower three sides. Six hydraulic push rods 22 are arranged inside the clamping seat 2. The six hydraulic push rods 22 are respectively distributed in groups of three at the left and right ends inside the clamping seat 2. The output ends of the six hydraulic push rods 22 slidably penetrate through the inner wall of the working port 21. The six hydraulic push rods 22 are symmetrically distributed left and right. An oil supply collar assembly 4 is sleeved on the clamping seat 2. The oil supply collar assembly 4 is communicated with an oil supply pipe 3 and an oil outlet pipe 5. An oil drain valve 6 is arranged on the oil outlet pipe 5. The output end of the hydraulic push rod 22 is provided with a U-shaped clamping tube 23. A rubber pad is arranged on the inner wall of the U-shaped clamping tube 23.

[0024] Refer to Figure 3 , the oil supply collar assembly 4 includes a first hollow collar 41 fixedly sleeved on the clamping seat 2. The inside of the first hollow collar 41 is communicated with all six hydraulic push rods 22. A second hollow collar 42 is rotatably sleeved outside the first hollow collar 41. The inside of the second hollow collar 42 is communicated with the inside of the first hollow collar 41. The second hollow collar 42 is communicated with the oil supply pipe 3 and the oil outlet pipe 5. When the clamping seat 2 rotates, the second hollow collar 42 rotates relative to the first hollow collar 41. When the clamping seat 2 rotates, it does not prevent the oil supply pipe 3 from supplying oil to the hydraulic push rod 22 and discharging oil from the oil outlet pipe 5.

[0025] Reference Figure 4 , the oil drain valve 6 includes a valve body 61. A cavity 64 is provided inside the valve body 61. An oil inlet 62 and a first oil outlet 63 are formed on the valve body 61. The oil inlet 62 communicates with the cavity 64. A second oil outlet 68 is formed on the cavity 64. A baffle 65 is slidably arranged inside the cavity 64. A telescopic rod 67 is arranged on the inner wall of the cavity 64. The end of the telescopic rod 67 is connected to the baffle 65. A return spring 66 is sleeved on the telescopic rod 67. Two ends of the return spring 66 are respectively connected to the baffle 65 and the inner wall of the cavity 64. A chute 69 is formed on the valve body 61. A partition 610 matching the size of the chute 69 is slidably arranged inside the chute 69. A third oil outlet 611 is formed on the partition 610. The third oil outlet 611 communicates with the first oil outlet 63 and the second oil outlet 68. A lead screw 612 is rotatably arranged inside the chute 69. A handle 613 is rotatably arranged on the valve body 61. The handle 613 is connected to the lead screw 612. When it is necessary to change the clamping force applied to the lens clamping, rotate the handle 613 to change the position of the third oil outlet 611, thereby changing the clamping force applied to the lens.

[0026] The above are only the preferred embodiments of the present invention. It should be understood that the present invention is not limited to the form disclosed herein, should not be regarded as an exclusion of other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the concept described herein through the above description or the technology or knowledge in related fields. And any changes and modifications made by those skilled in the art without departing from the spirit and scope of the present invention shall fall within the protection scope of the appended claims of the present invention.

Claims

1. A clamping tool for lens processing, comprising a bracket (1), wherein a clamping seat (2) is arranged between the brackets (1), characterized in that: The clamping seat (2) is provided with a working opening (21), and at least two hydraulic push rods (22) are arranged inside the clamping seat (2). The output ends of at least two hydraulic push rods (22) slide through the inner wall of the working opening (21) and are arranged symmetrically with each other. The output ends of the hydraulic push rods (22) are provided with U-shaped clamping tubes (23), and the clamping seat (2) is connected with an oil supply pipe (3) for supplying oil to the hydraulic push rods (22).

2. The clamping tool for lens processing according to claim 1, characterized in that: The clamping seat (2) is rotatably arranged on the bracket (1), and the bracket (1) is provided with a rotating motor (11) for driving the clamping seat (2) to rotate.

3. The clamping tool for lens processing according to claim 2, characterized in that: The clamping seat (2) is sleeved with an oil supply collar assembly (4), the oil supply collar assembly (4) comprising a first hollow collar (41) fixedly sleeved thereon, the interior of the first hollow collar (41) being communicated with the hydraulic push rod (22), a second hollow collar (42) rotatably sleeved thereon the outer wall of the first hollow collar (41), the interior of the second hollow collar (42) being communicated with the interior of the first hollow collar (41), and the second hollow collar (42) being communicated with the oil supply pipe (3).

4. The clamping tool for lens processing according to claim 1, characterized in that: The clamping seat (2) is connected to an oil outlet pipe (5), the oil outlet pipe (5) is in communication with a hydraulic push rod (22), and an oil drain valve (6) is provided on the oil outlet pipe (5).

5. The clamping tool for lens processing according to claim 4, characterized in that: The oil drain valve (6) comprises a valve body (61), the valve body (61) being provided with an oil inlet (62) and a first oil outlet (63), the valve body (61) being provided with a cavity (64) in communication with the oil inlet (62) and the first oil outlet (63), a baffle (65) being slidably disposed in the cavity (64) for isolating the oil inlet (62) from being in communication with the first oil outlet (63), and a return spring (66) having one end connected to the baffle being disposed in the cavity (64).

6. The clamping tool for lens processing according to claim 5, characterized in that: A telescopic rod (67) is disposed in the cavity (64), with two ends respectively connected to the baffle (65) and the inner wall of the cavity (64), and the return spring (66) is sleeved on the telescopic rod (67).

7. The clamping tool for lens processing according to claim 5, characterized in that: The cavity (64) is provided with a second oil outlet (68), the valve body (61) is provided with a slide groove (69) connected with the first oil outlet (63) and the second oil outlet (68), a partition (610) having a size matching that of the slide groove (69) is slidably arranged in the slide groove (69), and the partition (610) is provided with a third oil outlet (611) for connecting the first oil outlet (63) and the second oil outlet (68).

8. The clamping tool for lens processing according to claim 7, characterized in that: A screw rod (612) is rotatably disposed in the slide groove (69), the partition plate (610) is connected to the screw rod (612) by being threadedly rotatably sleeved, and a handle (613) connected to the screw rod (612) is rotatably disposed on the valve body (61).

9. The clamping tool for lens processing according to claim 1, characterized in that: A rubber pad (24) is provided on the inner wall of the U-shaped clamping tube (23).

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