Lens concentricity device with measuring function

Abstract

The utility model relates to the field of lens processing equipment, in particular to a lens concentric device with a measuring function. The lens concentric device comprises a base, a left clamping jaw, a right clamping jaw, a rack, a lens positioning pin, a gear, and an encoder. The base is slidably connected with a left clamping jaw and a right clamping jaw, the left clamping jaw and the right clamping jaw are respectively fixed on two mutually parallel racks, the gear is rotatably connected to the base, the gear is located between the two racks, the gear is meshed with the two racks, the gear is fixed on the shaft of the encoder, the body of the encoder is fixed on the base, two lens positioning pins are provided on the left clamping jaw, and two lens positioning pins are provided on the right clamping jaw. The utility model drives the left clamping jaw and the right clamping jaw to open and close by moving the rack, and uses the four lens positioning pins on the left clamping jaw and the right clamping jaw to position the lens, and the rack drives the gear to rotate to drive the encoder shaft to rotate, and uses the encoder to collect data to determine the diameter of the lens.

Description

Technical Field

[0001] The utility model relates to the field of lens processing equipment, in particular to a lens concentric device with a measuring function. Background Art

[0002] During the processing of eyeglass lenses, a special film needs to be applied to protect the lenses. However, in the current process of applying the film, the excess film is usually cut off by manually drawing circles, so the cut films are of different sizes. This is not only unsightly, but also affects some subsequent processes, and secondary trimming is required, which reduces efficiency. Utility Model Content

[0003] In order to overcome the inaccuracy of existing eyeglass lens film application, the utility model provides a lens concentric device with a measuring function.

[0004] The utility model solves the technical problem by adopting the following technical scheme: a lens concentric device with a measuring function, comprising a base, a left clamping jaw, a right clamping jaw, a rack, a lens positioning pin, a gear, and an encoder, wherein the base is slidably connected with a left clamping jaw and a right clamping jaw, the left clamping jaw and the right clamping jaw are respectively fixed on two mutually parallel racks, the gear is rotatably connected to the base, the gear is located between the two racks, the gear is meshed with the two racks, the gear is fixed on the shaft of the encoder, the body of the encoder is fixed on the base, two lens positioning pins are arranged on the left clamping jaw, and two lens positioning pins are arranged on the right clamping jaw.

[0005] According to another embodiment of the utility model, the left clamping jaw and the right clamping jaw are further parallel to each other, and both the left clamping jaw and the right clamping jaw are slidably connected to the straight rail of the base.

[0006] According to another embodiment of the utility model, the lens positioning pin is further wrapped with a protective sheath.

[0007] According to another embodiment of the utility model, a handle is further provided on one side of the rack.

[0008] According to another embodiment of the utility model, the base further includes a base, a guide column, and a connecting seat, the connecting seat is fixedly connected to the base through the guide column, and the left clamping jaw and the right clamping jaw are slidably connected to the connecting seat.

[0009] The beneficial effect of the utility model is that the utility model drives the left clamping jaw and the right clamping jaw to open and close by moving the rack, and uses the four lens positioning pins on the left clamping jaw and the right clamping jaw to position the lens, and the rack drives the gear to rotate to drive the encoder shaft to rotate, and uses the encoder to collect data to determine the diameter of the lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] In the figure, 1. base, 2. left clamping jaw, 3. right clamping jaw, 4. rack, 5. lens positioning pin, 6. gear, 7. encoder, 8. cover, 9. handle, 11. base, 12. guide column, 13. connecting seat. DETAILED DESCRIPTION

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] As attached Figure 1 As shown, a lens concentric device with a measuring function comprises a base 1, a left clamping jaw 2, a right clamping jaw 3, a rack 4, a lens positioning pin 5, a gear 6, and an encoder 7. The base 1 is slidably connected with the left clamping jaw 2 and the right clamping jaw 3, the left clamping jaw 2 and the right clamping jaw 3 are respectively fixed on two mutually parallel racks 4, the gear 6 is rotatably connected to the base 1, the gear 6 is located between the two racks 4, the gear 6 is meshed with the two racks 4, the gear 6 is fixed on the shaft of the encoder 7, the body of the encoder 7 is fixed on the base 1, the left clamping jaw 2 is provided with two lens positioning pins 5, and the right clamping jaw 3 is provided with two lens positioning pins 5.

[0015] The left clamping jaw 2 and the right clamping jaw 3 are parallel to each other, and both the left clamping jaw 2 and the right clamping jaw 3 are slidably connected to the straight rail of the base 1 .

[0016] The lens positioning pin 5 is wrapped with a sheath 8 .

[0017] A handle 9 is provided on one side of the rack 4 .

[0018] The base 1 comprises a base 11 , a guide column 12 , and a connecting seat 13 . The connecting seat 13 is fixedly connected to the base 11 through the guide column 12 , and the left clamping jaw 2 and the right clamping jaw 3 are slidably connected to the connecting seat 13 .

[0019] The working method of the present application is as follows: firstly, place the lens between the four lens positioning pins 5, then hold the handle 9 to move a rack 4 horizontally, the horizontal movement of the rack 4 will drive the gear 6 meshing with it to rotate, the gear 6 will push another rack 4 to move horizontally, and the two racks 4 will move in opposite directions, thereby driving the left clamping jaw 2 and the right clamping jaw 3 to move toward the lens respectively, until the protective sleeves 8 on the four lens positioning pins 5 fit and clamp the lens. The inscribed circle of the protective sleeves 8 on the four lens positioning pins 5 is concentric with the lens.

[0020] When gear 6 rotates, it drives the shaft of encoder 7 to rotate, and encoder 7 transmits the collected values ​​to the computer, so that the computer can display the collected lens diameter values. After the film is applied, the motor will adjust the distance of the cutting blade according to the read lens diameter value, and then cut the film of the desired size, which is concentric with the lens, greatly improving the effect and efficiency of film cutting.

Claims

1. A lens concentric device with a measuring function, characterized in that: The invention comprises a base (1), a left clamping jaw (2), a right clamping jaw (3), a rack (4), a lens positioning pin (5), a gear (6), and an encoder (7). The base (1) is slidably connected with a left clamping jaw (2) and a right clamping jaw (3). The left clamping jaw (2) and the right clamping jaw (3) are respectively fixed on two mutually parallel racks (4). The gear (6) is rotatably connected to the base (1). The gear (6) is located between the two racks (4). The gear (6) is meshed with the two racks (4). The gear (6) is fixed on the shaft of the encoder (7). The body of the encoder (7) is fixed on the base (1). The left clamping jaw (2) is provided with two lens positioning pins (5), and the right clamping jaw (3) is provided with two lens positioning pins (5).

2. The lens concentric device with measuring function according to claim 1, characterized in that: The left clamping jaw (2) and the right clamping jaw (3) are parallel to each other, and both the left clamping jaw (2) and the right clamping jaw (3) are slidably connected to the straight rail of the base (1).

3. The lens concentric device with measuring function according to claim 1, characterized in that: The lens positioning pin (5) is wrapped with a protective sheath (8).

4. The lens concentric device with measuring function according to claim 1, characterized in that: A handle (9) is provided on one side of the rack (4).

5. The lens concentric device with measuring function according to claim 1, characterized in that: The base (1) comprises a base (11), a guide column (12), and a connecting seat (13); the connecting seat (13) is fixedly connected to the base (11) via the guide column (12); and the left clamping jaw (2) and the right clamping jaw (3) are slidably connected to the connecting seat (13).

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