Automatic lens picking and placing device

Abstract

The utility model discloses a lens automatic material taking and placing device, including installation frame, when taking the material of lens in the material disc, through the adsorption of the lens in the material disc of two rotary fixed base bottom sucking disc through horizontal state, after taking the material, through the horizontal movement of cylinder main part drive connecting plate, and then drive rotating shaft horizontal movement and make the connecting block along the rotary fixed base and rotate certain angle, and then make the mounting block drive sucking disc overall rotation certain angle, realize the angle adjustment of sucking disc, at this moment can through the sucking disc of angle after adjusting and put the lens into CNC machining center and process, after putting in, repeat above -mentioned step and continue adsorbing to use the lens to be processed, after processing, through the sucking disc of two connecting piece bottom to the lens after processing and take the material of adsorption, and through the sucking disc of mounting block bottom and put the lens to be processed into processing position, realize taking and placing 4 lenses simultaneously, further shorten the operation procedure, improve work efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of lens processing equipment, specifically to an automatic lens loading and unloading device. Background Technology

[0002] In the lens processing process, an automatic loading and unloading method is required to reduce labor costs and improve product stability. In the automatic loading process, a 6-axis robot is required for loading and unloading, and a suction cup is installed on the 6th axis of the 6-axis robot to pick up and put in the lens. Because the lenses are processed in pairs (left and right lenses) during the manufacturing process, two different lenses need to be picked up and placed in the tray at one time. To improve the utilization of the tray space, the trays are designed to place two pieces of material horizontally. Therefore, when picking up the material, the two suction cups need to be arranged horizontally to pick up the material. However, since the processing is based on the angle of the glasses, when placing the material, the two suction cups need to be bent at the corresponding angle to place the two lenses on the processing fixture without slipping. However, the traditional fixed suction cup picking and placing method cannot quickly adjust the angle of the suction cups. Utility Model Content

[0003] (a) Technical problems to be solved To address the shortcomings of existing technologies, this utility model provides an automatic lens loading and unloading device, solving the aforementioned technical problems.

[0004] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: an automatic lens loading and unloading device, including a mounting frame, on which mounting seats are detachably connected. Two symmetrical connecting pieces and two symmetrical rotating fixed seats are mounted at the bottom of the mounting frame. A rotating shaft is rotatably mounted within each rotating fixed seat. A mounting block is connected to the bottom of the rotating shaft. Sliding shafts are slidably arranged on both mounting blocks and the two connecting pieces. A suction cup is mounted at one end of each sliding shaft, and a vacuum fixing shaft is connected to the other end of the sliding shaft. The vacuum fixing shaft is connected to a vacuum pumping device via a connecting pipe. A cylinder body is detachably connected to the mounting frame. A connecting plate is mounted on the output end of the cylinder body. Two symmetrical connecting blocks are rotatably mounted on the connecting plate, and the bottom of each connecting block is fixedly connected to one end of the rotating shaft.

[0005] Preferably, the end of the sliding shaft near the vacuum fixed shaft is connected to a guide shaft via a metal sheet, and the mounting block or connector has a sliding hole adapted to the guide shaft, with the guide shaft slidably arranged in the sliding hole on the mounting block or connector.

[0006] Preferably, a stop is provided at the end of the guide shaft away from the metal sheet, and the diameter of the stop is larger than the diameter of the guide shaft.

[0007] Preferably, a buffer spring is sleeved on the sliding shaft, with one end of the buffer spring abutting against the connection between the sliding shaft and the suction cup, and the other end of the buffer spring abutting against the mounting block or connector.

[0008] Preferably, the top of the connecting block is provided with a movable groove, a cam follower bearing is provided in the movable groove, a rotating shaft is provided on the protruding end of the cam follower bearing, and two through holes that are symmetrical to each other and adapted to the rotating shaft are provided on the connecting plate, and the rotating shaft is rotatably installed in the through holes of the connecting plate.

[0009] Preferably, the rotating fixed seat has a rotating hole that passes through the rotating fixed seat, and two bearings are arranged axially at intervals in the rotating hole, with the rotating shaft passing through the two bearings.

[0010] Preferably, the connecting block is fixed to the rotating shaft by bolts.

[0011] Compared with the prior art, this utility model provides an automatic lens loading and unloading device with the following advantages: Through the cooperation of the cylinder body, connecting plate, connecting block rotating shaft, and mounting block, this utility model allows for the simultaneous loading and unloading of lenses from a tray. The suction cups at the bottom of the two rotating fixed seats horizontally pick up the lenses. After loading, the cylinder body drives the connecting plate to move horizontally, which in turn drives the rotating shaft to move horizontally, causing the connecting block to rotate a certain angle along the rotating fixed seat. This, in turn, causes the mounting block to rotate the suction cups by a certain angle, thus adjusting the suction cup angle. The adjusted suction cups can then be used to place the lenses into a CNC machining center for processing. After placement, the above steps are repeated to continue picking up lenses for processing. After processing, the suction cups at the bottom of the two connecting parts pick up the processed lenses, and the suction cups at the bottom of the mounting block place the lenses into the processing position. This allows for the simultaneous loading and unloading of four lenses, further shortening the operation process and improving work efficiency. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a schematic diagram of the exploded structure of this utility model; Figure 3 This is a schematic diagram of the structure of the mounting block, rotating shaft, and guide shaft of this utility model; Figure 4 This is a schematic diagram of the connection structure of the connecting block, mounting frame, and rotating fixing seat of this utility model. Figure 5 This is a schematic diagram of the CNC machining center of this utility model.

[0013] The components include: 1. Mounting frame; 2. Mounting base; 3. Cylinder body; 4. Connecting plate; 5. Connecting piece; 6. Suction cup; 7. Rotary fixed base; 8. Connecting block; 9. Rotating shaft; 10. Lens; 11. Mounting block; 12. Rotating shaft; 13. Bearing; 14. Vacuum fixed shaft; 15. Guide shaft; 16. Sliding shaft; 17. Buffer spring; 18. CNC machining center; 19. Support table; 20. Machining tool; 21. Tool sensing sensor. Detailed Implementation

[0014] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0015] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0016] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0017] Please see Figure 1-5The automatic lens loading and unloading device includes a mounting frame 1 and a CNC machining center. A mounting base 2 is detachably connected to the mounting frame 1. Two symmetrical connecting parts 5 and two symmetrical rotating fixed seats 7 are mounted on the bottom of the mounting frame 1. A rotating shaft 12 is rotatably mounted inside the rotating fixed seat 7. A mounting block 11 is connected to the bottom of the rotating shaft 12. Sliding shafts 16 are slidably arranged on both mounting blocks 11 and the two connecting parts 5. A suction cup 6 is mounted on one end of the sliding shaft 16, and a vacuum fixing shaft 14 is connected to the other end of the sliding shaft 16. The vacuum fixing shaft 14 is connected to a vacuum pumping device via a connecting pipe. A cylinder body 3 is detachably connected to the mounting frame 1. The output of the cylinder body 3... A connecting plate 4 is installed on the end, and two symmetrical connecting blocks 8 are rotatably installed on the connecting plate 4. The bottom of the connecting block 8 is connected and fixed to one end of the rotating shaft 12. A support platform 19 for placing the lens 10 is provided inside the CNC machining center 18. The top of the support platform 19 is inclined in a certain arc shape to facilitate the placement of the lens with the inclined suction cup 6. A machining tool 20 is provided directly above the support platform 19. A tool sensing sensor 21 for detecting the absence or length of the tool is provided on one side of the machining tool 20. When a tool breakage or other abnormal situation occurs during the machining process, the tool sensing sensor 21 can transmit a signal to the alarm unit built into the CNC machining center 18 to stop the machine.

[0018] When the device picks up the lens 10 in the tray, the suction cups 6 at the bottom of the two rotating fixed seats 7 pick up the lens 10 in a horizontal position. After picking up the lens, the cylinder body 3 drives the connecting plate 4 to move horizontally, which in turn drives the rotating shaft 9 to move horizontally and causes the connecting block 8 to rotate along the rotating fixed seat 7 at a certain angle. This causes the mounting block 11 to drive the suction cup 6 to rotate at a certain angle, thereby adjusting the angle of the suction cup 6. At this time, the lens 10 can be placed into the CNC machining center for processing through the suction cup 6 after the angle is adjusted. After placement, the above steps are repeated to pick up the lens 10 to be processed. After processing, the suction cups 6 at the bottom of the two connecting parts 5 pick up the processed lens 10, and the suction cups 6 at the bottom of the mounting block 11 place the lens 10 to be processed into the processing position. This allows for the simultaneous picking up and placing of 4 lenses 10, further shortening the operation process and improving work efficiency.

[0019] Specifically, in this embodiment, the end of the sliding shaft 16 near the vacuum fixed shaft 14 is connected to the guide shaft 15 through a metal sheet. The mounting block 11 or the connector 5 is provided with a sliding hole that matches the guide shaft 15. The guide shaft 15 is slidably arranged in the sliding hole on the mounting block 11 or the connector 5.

[0020] Through the cooperation of the guide shaft 15 and the sliding hole, the suction cup 6 can move axially along the sliding hole on the mounting block 11 or the connector 5 via the guide shaft 15.

[0021] Specifically, in this embodiment, a stop is provided at the end of the guide shaft 15 away from the metal sheet. The diameter of the stop is larger than the diameter of the guide shaft 15. The movement range of the suction cup 6 can be limited by the setting of the stop.

[0022] Specifically, in this embodiment, a buffer spring 17 is sleeved on the sliding shaft 16. One end of the buffer spring 17 abuts against the connection between the sliding shaft 16 and the suction cup 6, and the other end of the buffer spring 17 abuts against the mounting block 11 or the connecting member 5. By setting the buffer spring 17, when the suction cup 6 contacts the lens 10, the suction cup 6 can drive the sliding shaft 16 and the guide shaft 15 to move axially along the mounting block 11 or the connecting member 5 and squeeze the buffer spring 17, thereby avoiding damage to the lens 10 due to excessive force during the movement of the device. When the material is picked up, the elastic potential energy of the buffer spring 17 can be used to reset the sliding shaft 16 and the guide shaft 15.

[0023] Specifically, in this embodiment, the top of the connecting block 8 is provided with a movable groove, and a cam follower bearing 13 is provided in the movable groove. A rotating shaft 9 is provided on the protruding end of the cam follower bearing 13. The connecting plate 4 is provided with two through holes that are symmetrical to each other and adapted to the rotating shaft 9. The rotating shaft 9 is rotatably installed in the through holes on the connecting plate 4. When the cylinder body 3 drives the connecting plate 4 to move axially, the cam follower bearing 13 at the bottom of the rotating shaft 9 can be driven by the connecting plate 4 to move in the movable groove at the top of the connecting block 8, thereby pushing the connecting block 8 to rotate a certain angle along the rotating fixed seat 7.

[0024] Specifically, in this embodiment, the rotating fixed base 7 has a rotating hole that passes through the rotating fixed base 7. Two bearings 13 are arranged axially at intervals in the rotating hole. The rotating shaft 12 passes through the two bearings 13, which can reduce the resistance when the rotating shaft 12 rotates and play a certain role in limiting the position of the rotating shaft 12.

[0025] Specifically, in this embodiment, the connecting block 8 and the rotating shaft 12 are fixed together by bolts.

[0026] It should be noted that the cylinder body is electrically connected to the external controller and the mains power, and both the cylinder body and the CNC machining center are existing standard equipment. The selection of standard parts models, working principles and usage methods in this application are all conventional technologies in this field, and will not be described in detail here.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic lens loading and unloading device, including a mounting frame, characterized in that: The mounting frame is detachably connected to a mounting base. At the bottom of the mounting frame are two symmetrical connectors and two symmetrical rotating fixed seats. A rotating shaft is rotatably mounted within each rotating fixed seat. A mounting block is connected to the bottom of the rotating shaft. Sliding shafts are slidably arranged on both mounting blocks and the two connectors. A suction cup is mounted at one end of each sliding shaft, and a vacuum fixing shaft is connected to the other end. A cylinder body is detachably connected to the mounting frame. A connecting plate is mounted on the output end of the cylinder body. Two symmetrical connecting blocks are rotatably mounted on the connecting plate, and the bottom of each connecting block is fixedly connected to one end of the rotating shaft.

2. The automatic lens loading and unloading device according to claim 1, characterized in that: The end of the sliding shaft near the vacuum fixed shaft is connected to a guide shaft via a metal sheet, and the guide shaft is slidably arranged on the mounting block or connector.

3. The automatic lens loading and unloading device according to claim 2, characterized in that: A stop is provided at the end of the guide shaft away from the metal sheet, and the diameter of the stop is larger than the diameter of the guide shaft.

4. The automatic lens loading and unloading device according to claim 1, characterized in that: A buffer spring is fitted on the sliding shaft. One end of the buffer spring abuts against the connection between the sliding shaft and the suction cup, and the other end of the buffer spring abuts against the mounting block or connector.

5. The automatic lens loading and unloading device according to claim 1, characterized in that: The top of the connecting block is provided with a movable groove, and a cam follower bearing is provided in the movable groove. A rotating shaft is provided on the protruding end of the cam follower bearing, and the rotating shaft is rotatably mounted on the connecting plate.

6. The automatic lens loading and unloading device according to claim 1, characterized in that: The rotating fixed base has a rotating hole that passes through it, and two bearings are arranged axially at intervals in the rotating hole, with the rotating shaft passing through the two bearings.

7. The automatic lens loading and unloading device according to claim 1, characterized in that: The connecting block is fixed to the rotating shaft by bolts.

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