CN214080660U

CN214080660U - Clamping mechanism for lens edge grinding machine

Info

Publication number: CN214080660U
Application number: CN202023339038.1U
Authority: CN
Inventors: 吴文忠; 魏明
Original assignee: Nanjing Hengyi Photoelectric Co ltd
Current assignee: Nanjing Hengyi Photoelectric Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-31
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a fixture for lens edging machine, it includes the base station, is equipped with the base on the base station, and the top of base articulates there are two supporting seats, and first cambered surface adaptation groove has all been seted up on two supporting seats keep away from the lateral wall of base, fixedly connected with support frame on the base station, is equipped with the clamping frame on the support frame, fixedly connected with die clamping cylinder on the clamping frame, the vertical downwardly extending of die clamping cylinder's piston rod, die clamping cylinder's tailpiece of the piston rod portion articulates there is the tight seat of clamp. This application has the articulated through setting up supporting seat and base to set up first cambered surface adaptation groove on the supporting seat, when the staff placed the lens on the base, the supporting seat automatically regulated angle under lens gravity, and increased device and glass's area of contact through first cambered surface adaptation groove, reduced the local pressure that the lens surface received, thereby reduced the effect of the broken possibility of lens.

Description

Clamping mechanism for lens edge grinding machine

Technical Field

The application relates to the field of lens processing, especially relate to a fixture for lens edging machine.

Background

At present, the lens is also called as a lens core, which is a mounted painting core and is suitable for being clamped in a picture frame, so the lens is called as a lens core, the lens mainly refers to a glass lens or a resin lens for eyes, and in the process of a technician of the lens, the lens needs to be edged so that the outline of the lens is more matched with the picture frame to be mounted.

In the related art, when edging, a worker usually uses a clamping block to directly clamp two side walls of the lens in the thickness direction so as to fix the lens and edging the lens.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that when a worker adjusts the clamping blocks to clamp the lens, and when the surface radian of the lens is large, the two clamping blocks are usually in a point with the contact position, so that the surface of the lens is locally pressed strongly and is easily broken.

SUMMERY OF THE UTILITY MODEL

In order to improve the local pressure when pressing from both sides tight lens powerful, cause the defect that the lens is broken easily, this application provides a fixture for lens edging machine.

The application provides a pair of fixture for lens edging machine adopts following technical scheme:

the utility model provides a fixture for lens edging machine, includes the base station, be equipped with the base on the base station, the top of base articulates there are two supporting seats, two first cambered surface adaptation groove has all been seted up on the lateral wall that the base was kept away from to the supporting seat, fixedly connected with support frame on the base station, be equipped with the clamping frame on the support frame, fixedly connected with die clamping cylinder on the clamping frame, the vertical downwardly extending of die clamping cylinder's piston rod, die clamping cylinder's tailpiece of the piston rod portion articulates there is the tight seat of clamp.

Through adopting above-mentioned technical scheme, on the supporting seat was placed to the lens that the staff will take the edging in the in-service use, the supporting seat was owing to articulated with the base, when die clamping cylinder piston rod stretched out, and tight lens was supported tightly on the lens to the tight lens of clamp holder, and the cell wall in first cambered surface adaptation groove pastes tight lens surface, has promoted the area of contact with the lens to the lens has been reduced because local pressure is strong and broken possibility.

Optionally, one side of the clamping frame, which is far away from the clamping cylinder, is fixedly connected with a plurality of springs, the end parts of the springs are jointly connected with a clamping plate, and one side of the clamping plate, which is far away from the springs, is provided with a second cambered surface adapting groove.

Through adopting above-mentioned technical scheme, through setting up spring and grip block, when the piston rod of die clamping cylinder stretches out, reduced because lens thickness differs, and the stroke of pushing away of cylinder is difficult to in time adaptation lens thickness and causes the condition that the lens damaged, simultaneously, through the setting of spring and grip block, the pressure gradual change that makes the lens receive has further protected the lens, through setting up second cambered surface adaptation groove, has further increased the lifting surface area of lens.

Optionally, the groove walls of the first cambered surface adapting groove and the second cambered surface adapting groove are both provided with a colloid cushion.

Through adopting above-mentioned technical scheme, through setting up the colloid cushion, reduced the surface hardness of device and lens contact surface, and then reduced the possibility of lens fish tail.

Optionally, a suction disc frame is arranged between the two supporting seats on the base, a vacuum suction disc is arranged on the suction disc frame and arranged upwards, an air suction pump is arranged on the base, an air suction pipe is connected to the vacuum suction disc, and one end, far away from the vacuum suction disc, of the air suction pipe is communicated with the air suction pump.

Through adopting above-mentioned technical scheme, through setting up vacuum chuck, air exhaust pump during operation vacuum chuck inhales the lens tightly, has promoted the firm degree fixed to the lens, has reduced the lens and has taken place the possibility that relative drunkenness influences the machining precision with the device to through with the absorbent mode of lens with the lens flexible coupling, absorb the vibrations of lens in the partial course of working, improve processingquality.

Optionally, the vacuum chuck is connected with the ball towards one side fixedly connected with of base, be equipped with the ball-catching seat on the base, the inlay card groove has been seted up on the ball-catching seat, it is located the inlay card groove to connect the ball.

Through adopting above-mentioned technical scheme, connect ball and ball joint seat through the setting, make vacuum chuck and base ball be connected, very big orientation that provides vacuum chuck is free, makes its lens adaptation degree with not unidimensional, thickness better, has improved the practicality of device.

Optionally, a limit stop is arranged on one side of the base on the base platform, and the limit stop is made of a wood material.

Through adopting above-mentioned technical scheme, through setting up limit stop, when the staff placed the lens, contradict lens and limit stop to use limit stop to confirm the lens position as the benchmark, promoted positioning accuracy.

Optionally, the stop block is connected with the base station in a sliding manner, and a positioning piece is arranged on the stop block.

Through adopting above-mentioned technical scheme, staff's accessible slip dog adjustment dog position to through the setting element with the dog location after the adjustment is accomplished, thereby make the more sizes of dog suitability lens, promoted the suitability of device.

Optionally, the base is connected with the base station in a rotating mode, the clamping frame is connected with the supporting frame in a rotating mode, a first servo motor is fixedly connected to the base station, a motor shaft of the first servo motor is fixedly connected with the base, a second servo motor is connected to the supporting frame in a rotating mode, and the motor shaft of the second servo motor is fixedly connected with the clamping frame.

Through adopting above-mentioned technical scheme, press from both sides tight frame and the controllable rotation of base through the synchronous drive of first servo motor and second servo motor to make the lens rotate, make that the staff can be more convenient carry out edging work to the lens, and stop the rotation of lens when necessary, promoted the convenience of device.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the hinge joint of the supporting seat and the base and arranging the first cambered surface adaptive groove on the supporting seat, when a worker places the lens on the base, the supporting seat automatically adjusts the angle under the gravity of the lens, the contact area of the device and the glass is increased through the first cambered surface adaptive groove, the local pressure on the surface of the lens is reduced, and the possibility of lens breakage is reduced;

2. the vacuum sucker is arranged and connected with the base ball, so that the lens is adsorbed, the vibration of the lens is absorbed through the adsorption flexible connection of the sucker and the lens, the risk of edge breakage is reduced, and the processing quality is improved;

3. through setting up first servo motor and second servo motor, make the lens in the easy controllable rotation of centre gripping in-process, promoted the convenience that edging work goes on, and then promoted the device practicality.

Drawings

Fig. 1 is a schematic diagram for showing the overall structure of the device according to the embodiment of the present application.

Fig. 2 is a schematic cross-sectional structure diagram for showing the structure of each part of the device according to the embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2.

Description of reference numerals: 1. a base station; 2. a base; 211. a supporting seat; 212. a first cambered surface adaptation groove; 22. a suction cup holder; 221. a vacuum chuck; 222. an air pump; 23. a connecting ball; 24. a ball-catching seat; 241. a clamping groove; 3. a support frame; 31. a clamping frame; 32. a clamping cylinder; 321. a clamping seat; 322. a spring; 323. a clamping plate; 324. a second cambered surface adaptation groove; 4. a gum cushion; 5. a limit stop block; 51. a positioning member; 6. a first servo motor; 7. a second servo motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses fixture for lens edging machine. Referring to fig. 1, fixture for lens edging machine includes base station 1, rotates on base station 1 to be connected with base 2, fixedly connected with support frame 3 on base station 1, rotates on support frame 3 to be connected with the axis of rotation collineation setting of clamping frame 31 and axis of rotation and base 2. Be provided with supporting seat 211 on base 2 and be used for supporting the lens, fixedly connected with die clamping cylinder 32 on the clamping frame 31, the vertical downward setting of piston rod of die clamping cylinder 32, and die clamping cylinder 32's piston rod tip fixedly connected with presss from both sides tight seat 321, is close to relatively and supports the lateral wall of tight lens thickness direction both sides through pressing from both sides tight seat 321 and supporting seat 211 to the clamp of lens has been realized.

Referring to fig. 2 and 3, an accommodating groove is formed in the base 1 below the base 2, and the base 2 is rotatably connected to a side wall at the groove opening of the accommodating groove. The tank bottom fixedly connected with first servo motor 6 of holding tank, the vertical upwards extension of motor shaft and tip and base 2 fixed connection of first servo motor 6. Supporting seat 211 is equipped with two and sets up at base 2 top relatively, and two supporting seats 211 all are articulated with base 2, and the articulated shaft is parallel to each other. A first cambered surface adapting groove 212 is formed in one side, far away from the base 2, of the supporting seat 211, a colloid cushion 4 is fixedly connected to the groove wall of the first cambered surface adapting groove 212, and the thickness of the colloid cushion 4 is controlled to be 1-2 mm. The base 2 is provided with a ball connecting seat 24 between two supporting seats 211, the ball connecting seat 24 is provided with a clamping and embedding operation, a connecting ball 23 is placed in the clamping and embedding operation, the top end of the connecting ball 23 is fixedly connected with a suction cup frame 22, and the suction cup frame 22 is hinged with a vacuum suction cup 221. The base 2 is fixedly connected with an air pump 222, an input end of the air pump 222 is fixedly connected with an air pumping pipe, and the air pumping pipe is communicated with the vacuum chuck 221.

Referring to fig. 1 and 2, one side sliding connection who lies in base 2 on base station 1 has wooden limit stop 5, and limit stop 5 slides on base station 1 through the cooperation of slider with the spout, and the spout extends along the direction of being close to or keeping away from base 2, is equipped with setting element 51 on limit stop 5, and thereby positioning bolt is chooseed for use to setting element 51, thereby positioning bolt tip and 1 surperficial conflict of base station fix a position limit stop 5. When the staff places the lens on base 2, at first contradict lens and limit stop 5 to use limit stop 5 to carry out preliminary location to the lens position as the benchmark, through the adjustment back, start vacuum chuck 221 and adsorb the lens, and make lens and supporting seat 211 compress tightly, supporting seat 211 is angle of adjustment by oneself under the effect of lens pressure, make the lower lateral wall of first cambered surface groove and lens keep great area of contact, reduce the local pressure on lens surface, protected the lens.

Referring to fig. 2 and 3, a second servo motor 7 is fixedly connected to the support frame 3, a motor shaft of the second servo motor 7 vertically extends downwards, and the end portion of the motor shaft is fixedly connected to the clamping frame 31, the clamping base 321 is hinged to the end portion of the piston rod of the clamping cylinder 32, and one side of the clamping base 321 away from the clamping cylinder 32 is fixedly connected to a plurality of springs 322, the end portion of the bottom end of each spring 322 is commonly connected to a clamping plate 323, a second arc surface adapting groove 324 is formed in the side wall of the clamping plate 323 away from the springs 322, and a rubber cushion 4 with the same thickness as that in the first arc surface adapting groove 212 is formed in the groove wall of the second arc surface adapting groove 324.

The implementation principle of the clamping mechanism for the lens edge grinding machine in the embodiment of the application is as follows: the clamping seat 321 is driven by the air cylinder to be matched with the supporting seat 211 to clamp the lens, the clamping seat 321 is hinged to the end of the piston rod of the clamping air cylinder 32, and the supporting seat 211 is hinged to the base 2, so that the clamping seat 321 and the supporting seat 211 are respectively adjusted by themselves when clamping is performed, the clamping seat 321 and the supporting seat 211 keep larger contact areas with the lens, and the possibility of scratching the lens is reduced by arranging the rubber cushion 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fixture for lens edging machine which characterized in that: including base station (1), be equipped with base (2) on base station (1), the top of base (2) articulates there are two supporting seats (211), two first cambered surface adaptation groove (212) have all been seted up on the lateral wall of base (2) is kept away from in supporting seat (211), fixedly connected with support frame (3) are gone up in base station (1), be equipped with on support frame (3) and press from both sides tight frame (31), fixedly connected with die clamping cylinder (32) are gone up in tight frame (31), the vertical downwardly extending of piston rod of die clamping cylinder (32), the tailpiece of the piston rod portion of die clamping cylinder (32) articulates there is tight seat (321) of clamp.

2. The clamping mechanism for a lens edging machine according to claim 1, characterized in that: one side of the clamping frame (31) far away from the clamping cylinder (32) is fixedly connected with a plurality of springs (322), the end parts of the springs (322) are jointly connected with a clamping plate (323), and one side of the clamping plate (323) far away from the springs (322) is provided with a second cambered surface adapting groove (324).

3. The clamping mechanism for a lens edging machine according to claim 2, characterized in that: and the groove walls of the first cambered surface adapting groove (212) and the second cambered surface adapting groove (324) are respectively provided with a colloid cushion (4).

4. The clamping mechanism for a lens edging machine according to claim 1, characterized in that: the vacuum suction cup is characterized in that a suction cup frame (22) is arranged between the two supporting seats (211) on the base (2), a vacuum suction cup (221) is arranged on the suction cup frame (22), the vacuum suction cup (221) is arranged upwards, an air suction pump (222) is arranged on the base (2), an air suction pipe is connected to the vacuum suction cup (221), and one end, far away from the vacuum suction cup (221), of the air suction pipe is communicated with the air suction pump (222).

5. The clamping mechanism for a lens edging machine according to claim 4, characterized in that: vacuum chuck (221) are towards one side fixedly connected with of base (2) and are connected ball (23), be equipped with ball joint seat (24) on base (2), inlay card groove (241) have been seted up on ball joint seat (24), it is located inlay card groove (241) to connect ball (23).

6. The clamping mechanism for a lens edging machine according to claim 1, characterized in that: one side that lies in base (2) on base station (1) is equipped with limit stop (5), limit stop (5) are wooden material and make.

7. The clamping mechanism for a lens edging machine according to claim 6, characterized in that: the limit stop (5) is connected with the base station (1) in a sliding mode, and a positioning piece (51) is arranged on the limit stop (5).

8. The clamping mechanism for a lens edging machine according to claim 1, characterized in that: base (2) rotate with base station (1) and are connected, press from both sides tight frame (31) and rotate with support frame (3) and be connected, the first servo motor (6) of fixedly connected with on base station (1), the motor shaft and base (2) fixed connection of first servo motor (6), it is connected with second servo motor (7) to rotate on support frame (3), the motor shaft and the tight frame (31) fixed connection of clamp of second servo motor (7).