Automatic blackening equipment for lenses

Abstract

The invention relates to the field of lens processing equipment, in particular to automatic lens blackening equipment. The blackening device comprises a lens conveying mechanism, a lens feeding mechanism, a lens discharging mechanism, a jig, a jig rotating mechanism, a first CCD camera, a second CCD camera, a jig centering mechanism, an annular ink coating mechanism, a side edge ink coating mechanism and a lens detection mechanism. Stacking and disc separation of the lens carrying discs are achieved through the lens feeding mechanism and the lens discharging mechanism. And the lenses are conveyed to different stations through the lens conveying mechanism. And the jig loaded with the lens is driven to rotate through the jig rotating mechanism. Position compensation is conducted on the annular ink coating mechanism through the first CCD camera, and the lens is moved to the rotating circle center through the cooperation of the second CCD camera and the jig centering mechanism. And the lens is blackened through the annular ink coating mechanism or the side ink coating mechanism. Whether the edge of the lens is blackened or not is detected through the lens detection mechanism. According to the lens blackening device, the working efficiency of lens blackening is improved, and manpower is saved.

Description

Technical Field

[0001] The present invention relates to the field of lens processing equipment, in particular to an automatic lens blackening equipment. Background Art

[0002] During the processing of camera lenses, it is necessary to apply ink to the edge of the lens for light shielding to eliminate stray light. In the process of blackening the lens, it is required that the staff carry the lens under the blackening equipment, then the blackening equipment performs blackening, and then the staff transfers the lens to other workstations. This operation method has low work efficiency and consumes a lot of manpower. Summary of the Invention

[0003] The technical problem to be solved by the present invention is: In order to solve the technical problems described in the background art, the present invention provides an automatic lens blackening equipment. The stacking and disk separation of the lens carrier are realized through the lens feeding mechanism and the lens discharging mechanism. The lens is conveyed to different workstations through the lens conveying mechanism. The jig carrying the lens is driven to rotate by the jig rotating mechanism. The CCD camera one is used to make position compensation for the annular ink coating mechanism, and the CCD camera two cooperates with the jig centering mechanism to move the lens to the rotation center. The lens is blackened by the annular ink coating mechanism or the side ink coating mechanism. The lens detection mechanism is used to detect whether the edge of the lens is blackened. This application improves the work efficiency of lens blackening and saves manpower.

[0004] The technical solution adopted by the present invention to solve its technical problems is: An automatic lens blackening equipment, comprising a lens conveying mechanism, a lens feeding mechanism, a lens discharging mechanism, a jig, a jig rotating mechanism, a CCD camera one, a CCD camera two, a jig centering mechanism, an annular ink coating mechanism, a side ink coating mechanism, a lens detection mechanism, a lens transfer mechanism one, and a lens transfer mechanism two. The lens feeding mechanism, the CCD camera one, the CCD camera two, the annular ink coating mechanism, the side ink coating mechanism, and the lens detection mechanism are sequentially arranged outside the lens conveying mechanism. The lens discharging mechanism is arranged outside the lens detection mechanism. The jig rotating mechanism is installed on the lens conveying mechanism. The rotating part of the jig rotating mechanism magnetically attracts the jig through a magnet. The jig centering mechanism is arranged below the CCD camera two. The lens transfer mechanism one is arranged between the lens conveying mechanism and the lens feeding mechanism. The lens transfer mechanism two is arranged between the lens detection mechanism and the lens discharging mechanism.

[0005] Specifically, the lens conveying mechanism includes an electric control rotating table and a jaw one. The fingers of the jaw one are located above the rotating table of the electric control rotating table.

[0006] Specifically, the lens feeding mechanism and the lens discharging mechanism have the same structure. The lens feeding mechanism includes a vertical bin, a pallet, a pallet horizontal movement linear module, a pallet lifting cylinder, a carrier plate clamping block, a clamping block driving cylinder, parallel jaws, and an inserting plate. The cylinder bodies of the parallel jaws are fixed on both the front and rear sides of the vertical bin. Inserting plates for inserting between adjacent lens carriers are fixed on both fingers of the parallel jaws. A pallet horizontal movement linear module is provided below the vertical bin and the clamping block driving cylinder. The cylinder body of the pallet lifting cylinder is fixed on the slide of the pallet horizontal movement linear module. The piston rod of the pallet lifting cylinder is fixed with a pallet. Two opposite clamping block driving cylinders are provided on one side of the vertical bin. The piston rod of the clamping block driving cylinder is fixed with a carrier plate clamping block. A positioning groove for positioning the lens carrier is provided on the inner side surface of the carrier plate clamping block.

[0007] Specifically, the fixture rotation mechanism includes a rotating disk and a motor. The body of the motor is fixed on the rotating table of the electric control rotating table. The rotating disk is fixed on the output shaft of the motor. The rotating disk is magnetically attracted to the fixture through a magnet.

[0008] Specifically, the fixture centering mechanism includes a second jaw, an X-axis horizontal linear module, and a Y-axis horizontal linear module. The cylinder body of the Y-axis horizontal linear module is fixed on the slide of the X-axis horizontal linear module. The second jaw is fixed on the slide of the Y-axis horizontal linear module.

[0009] Specifically, the annular ink coating mechanism includes an ink spray gun, a spray gun horizontal movement linear module, and a spray gun lifting linear module. The slide of the spray gun lifting linear module is fixed on the cylinder body of the spray gun horizontal movement linear module. The ink spray gun is fixed on the slide of the spray gun horizontal movement linear module.

[0010] Specifically, the side ink coating mechanism includes a cotton head, a cotton head lifting cylinder, and a cotton head horizontal driving electric cylinder. The piston rod end of the cotton head horizontal driving electric cylinder is fixed with the cotton head. The cylinder body of the cotton head horizontal driving electric cylinder is fixed on the piston rod of the cotton head lifting cylinder.

[0011] Specifically, the lens detection mechanism includes a suction nozzle, a suction nozzle lifting power cylinder, a suction nozzle horizontal rotation motor, a detection table, a lateral CCD camera, a vertical CCD camera, and an electric rotating table. The suction nozzle horizontal rotation motor and the lateral CCD camera are provided on the side of the detection table. The vertical CCD camera is provided above the detection table. The cylinder body of the suction nozzle lifting power cylinder is connected to the output shaft of the suction nozzle horizontal rotation motor. The piston rod of the suction nozzle lifting power cylinder is fixed with the suction nozzle through a bracket. The detection table is fixed on the tabletop of the electric rotating table.

[0012] Specifically, the lens transfer mechanism 1 and the lens transfer mechanism 2 have the same structure. The lens transfer mechanism 1 includes a nozzle 2, a nozzle horizontal movement linear module, and a nozzle lifting power cylinder 2. The slide of the nozzle horizontal movement linear module is fixed on the cylinder body of the nozzle lifting power cylinder 2, and the nozzle 2 is fixed on the piston rod of the nozzle lifting power cylinder 2.

[0013] The beneficial effects of the present invention are as follows: The present invention provides an automatic lens blackening device. The stacking and dishing of the lens trays are realized through the lens feeding mechanism and the lens discharging mechanism. The lens is conveyed to different workstations through the lens conveying mechanism. The jig carrying the lens is driven to rotate through the jig rotation mechanism. The CCD camera 1 performs position compensation for the annular ink coating mechanism, and the CCD camera 2 cooperates with the jig centering mechanism to move the lens to the rotation center. The lens is blackened through the annular ink coating mechanism or the side ink coating mechanism. The lens edge is detected by the lens detection mechanism to check whether the blackening is completed. This application improves the working efficiency of lens blackening and saves manpower. Brief Description of the Drawings

[0014] The present invention will be further described below in conjunction with the drawings and embodiments.

[0015] Figure 1 is the structural schematic diagram of the present invention; Figure 2 is the structural schematic diagram of the lens feeding mechanism of the present invention; Figure 3 is the structural schematic diagram of the jig centering mechanism of the present invention; Figure 4 is the structural schematic diagram of the lens detection mechanism of the present invention; In the figure: 1. Lens conveying mechanism, 2. Lens feeding mechanism, 3. Lens discharging mechanism, 4. Fixture, 5. Fixture rotating mechanism, 6. CCD camera 1, 7. CCD camera 2, 8. Fixture centering mechanism, 9. Ring-shaped ink coating mechanism, 10. Side ink coating mechanism, 11. Lens detection mechanism, 12. Lens transfer mechanism 1, 13. Lens transfer mechanism 2, 14. Electric control rotating table, 15. Jaw 1, 21. Vertical magazine, 22. Pallet, 23. Pallet horizontal movement linear module, 24. Pallet lifting cylinder, 25. Carrier plate clamping block, 26. Clamping block driving cylinder, 27. Parallel jaw, 28. Insert plate, 81. Jaw 2, 82. X-axis horizontal linear module, 83. Y-axis horizontal linear module, 91. Ink spray gun, 92. Spray gun horizontal movement linear module, 93. Spray gun lifting linear module, 101. Cotton head lifting cylinder, 102. Cotton head horizontal driving electric cylinder, 111. Suction nozzle, 112. Suction nozzle lifting power cylinder, 113. Suction nozzle horizontal rotation motor, 114. Detection table, 115. Lateral CCD camera, 116. Vertical CCD camera, 117. Electric rotating table, 121. Suction nozzle 2, 122. Suction nozzle horizontal movement linear module, 123. Suction nozzle lifting power cylinder 2. Detailed implementation mode

[0016] Now, the present invention will be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so they only show the components related to the present invention.

[0017] Figure 1 It is a schematic structural diagram of the present invention; Figure 2 It is a schematic structural diagram of the lens feeding mechanism of the present invention; Figure 3 It is a schematic structural diagram of the fixture centering mechanism of the present invention; Figure 4 It is a schematic structural diagram of the lens detection mechanism of the present invention.

[0018] As shown in the attached Figure 1As shown in the figure, an automatic lens blackening device includes a lens conveying mechanism 1, a lens feeding mechanism 2, a lens discharging mechanism 3, a fixture 4, a fixture rotating mechanism 5, a CCD camera 1 6, a CCD camera 2 7, a fixture centering mechanism 8, an annular ink coating mechanism 9, a side ink coating mechanism 10, a lens detection mechanism 11, a lens transfer mechanism 1 12, and a lens transfer mechanism 2 13. On the outside of the lens conveying mechanism 1, there are successively arranged a lens feeding mechanism 2, a CCD camera 1 6, a CCD camera 2 7, an annular ink coating mechanism 9, a side ink coating mechanism 10, and a lens detection mechanism 11. On the outside of the lens detection mechanism 11, there is a lens discharging mechanism 3. A fixture rotating mechanism 5 is installed on the lens conveying mechanism 1. The rotating part of the fixture rotating mechanism 5 magnetically attracts a fixture 4 through a magnet. Below the CCD camera 2 7, there is a fixture centering mechanism 8. Between the lens conveying mechanism 1 and the lens feeding mechanism 2, there is a lens transfer mechanism 1 12. Between the lens detection mechanism 11 and the lens discharging mechanism 3, there is a lens transfer mechanism 2 13.

[0019] The lens conveying mechanism 1 includes an electric control rotating table 14 and a jaw 1 15. The fingers of the jaw 1 15 are located above the rotating table of the electric control rotating table 14.

[0020] When the rotating table of the electric control rotating table 14 is in a rotating state, the two fingers of the jaw 1 15 are in an open state. When the rotating table stops rotating and a fixture 4 is moved between the two fingers, the two fingers of the jaw 1 15 clamp the fixture 4. In this way, when a lens is placed in the fixture 4, the fixture 4 will not shift its position on the fixture rotating mechanism 5.

[0021] As shown in the attachment Figure 2 As shown in the figure, the lens feeding mechanism 2 and the lens discharging mechanism 3 have the same structure. The lens feeding mechanism 2 includes a vertical magazine 21, a tray 22, a tray horizontal movement linear module 23, a tray lifting air cylinder 24, a carrier plate clamp block 25, a clamp block driving air cylinder 26, a parallel jaw 27, and an insertion plate 28. The cylinders of the parallel jaw 27 are fixed on both the front and rear sides of the vertical magazine 21. Insertion plates 28 for inserting between adjacent lens carriers are fixed on the two fingers of the parallel jaw 27. Below the vertical magazine 21 and the clamp block driving air cylinder 26, there is a tray horizontal movement linear module 23. The cylinder body of the tray lifting air cylinder 24 is fixed on the sliding seat of the tray horizontal movement linear module 23. The piston rod of the tray lifting air cylinder 24 is fixed with a tray 22. On one side of the vertical magazine 21, there are two opposite clamp block driving air cylinders 26. The piston rod of the clamp block driving air cylinder 26 is fixed with a carrier plate clamp block 25. A positioning groove for positioning the lens carrier is provided on the inner side surface of the carrier plate clamp block 25.

[0022] Place a stack of lens carriers stacked one on top of the other into the vertical silo 21, and the pallet 22 directly below the vertical silo 21 will support the lens carriers. Then, the parallel jaws 27 on the front and rear sides of the vertical silo 21 drive the insertion plates 28 on both sides to move towards the middle until they are inserted between the two lowermost lens carriers. At this time, the horizontal movement linear module 23 of the pallet drives the pallet 22 and a lens carrier on the pallet 22 to move horizontally, while the other lens carriers are supported on the insertion plates 28 on both sides. After the pallet 22 moves below the front and rear carrier clamping blocks 25, the lens carrier on the pallet 22 is lifted to between the two carrier clamping blocks 25, and finally the two clamping block driving cylinders 26 drive the two carrier clamping blocks 25 to clamp the lens carrier.

[0023] The fixture rotation mechanism 5 includes a rotating disk and a motor. The body of the motor is fixed on the rotating table of the electric control rotating table 14, the rotating disk is fixed on the output shaft of the motor, and the rotating disk is magnetically attracted to the fixture 4 through a magnet. Under the action of an external force, the fixture 4 can perform a horizontal displacement on the rotating disk. The motor can drive the rotating disk and the fixture 4 to rotate.

[0024] As shown in the Figure 3 attachment, the fixture centering mechanism 8 includes the second jaws 81, the X-axis horizontal linear module 82, and the Y-axis horizontal linear module 83. The cylinder body of the Y-axis horizontal linear module 83 is fixed on the sliding seat of the X-axis horizontal linear module 82, and the second jaws 81 are fixed on the sliding seat of the Y-axis horizontal linear module 83.

[0025] The X-axis horizontal linear module 82 can drive the second jaws 81 to move horizontally in the front and rear directions in a straight line, and the Y-axis horizontal linear module 83 can drive the second jaws 81 to move horizontally in the left and right directions in a straight line.

[0026] The annular ink coating mechanism 9 includes an ink spray gun 91, a spray gun horizontal movement linear module 92, and a spray gun lifting linear module 93. The sliding seat of the spray gun lifting linear module 93 is fixed on the cylinder body of the spray gun horizontal movement linear module 92, and the ink spray gun 91 is fixed on the sliding seat of the spray gun horizontal movement linear module 92.

[0027] The spray gun horizontal movement linear module 92 can drive the ink spray gun 91 to move horizontally in a straight line, and the spray gun lifting linear module 93 can adjust the height of the ink spray gun 91.

[0028] The side ink coating mechanism 10 includes a cotton head, a cotton head lifting cylinder 101, and a cotton head horizontal driving electric cylinder 102. The piston rod end of the cotton head horizontal driving electric cylinder 102 is fixed with the cotton head, and the cylinder body of the cotton head horizontal driving electric cylinder 102 is fixed on the piston rod of the cotton head lifting cylinder 101.

[0029] The cotton head lifting cylinder 101 can drive the cotton head to lift and lower, and the cotton head horizontal driving electric cylinder 102 can drive the cotton head to move horizontally in a straight line.

[0030] As shown in the attached Figure 4 figure, the lens inspection mechanism 11 includes a suction nozzle 111, a suction nozzle lifting power cylinder 112, a suction nozzle horizontal rotation motor 113, an inspection table 114, a lateral CCD camera 115, a vertical CCD camera 116, and an electric rotary table 117. The lateral CCD camera 115 and the suction nozzle horizontal rotation motor 113 are arranged on the side of the inspection table 114, and the vertical CCD camera 116 is arranged above the inspection table 114. The cylinder body of the suction nozzle lifting power cylinder 112 is connected to the output shaft of the suction nozzle horizontal rotation motor 113, and the piston rod of the suction nozzle lifting power cylinder 112 is fixed with the suction nozzle 111 through a bracket. The inspection table 114 is fixed on the tabletop of the electric rotary table 117.

[0031] The suction nozzle lifting power cylinder 112 and the suction nozzle horizontal rotation motor 113 can drive the suction nozzle 111 to suck out the lens from the fixture 4 and place it on the inspection table 114. The electric rotary table 117 drives the inspection table 114 and the lens on the inspection table 114 to rotate on the horizontal plane. The lateral CCD camera 115 transmits the image information of the side of the lens to the PLC, and the vertical CCD camera 116 transmits the top view image of the lens to the PLC, and the PLC determines whether the lens is successfully inked.

[0032] The lens transfer mechanism 12 and the lens transfer mechanism 13 have the same structure. The lens transfer mechanism 12 includes a suction nozzle 121, a suction nozzle horizontal movement linear module 122, and a suction nozzle lifting power cylinder 123. The slide of the suction nozzle horizontal movement linear module 122 is fixed on the cylinder body of the suction nozzle lifting power cylinder 123, and the piston rod of the suction nozzle lifting power cylinder 123 is fixed with the suction nozzle 121.

[0033] The suction nozzle horizontal movement linear module 122 can drive the suction nozzle 121 to move horizontally in a straight line, and the suction nozzle lifting power cylinder 123 can drive the suction nozzle 121 to move vertically in a straight line.

[0034] The working mode of this application is as follows: First, a stack of lens trays loaded with lenses is placed into the lens feeding mechanism 2, and the lens feeding mechanism 2 divides the lens trays one by one and moves them to the picking position. Then, the suction nozzle 121 of the lens transfer mechanism 12 sucks the lens and places it on the fixture 4.

[0035] The lens transfer mechanism 1 first rotates the jig 4 loaded with the lens to below the first CCD camera 6. At this time, the first CCD camera 6 transmits the position information of the lower jig rotation mechanism 5 to the PLC, and the PLC controls the horizontal movement of the ink spray gun 91 by the linear module 92 of the horizontal movement of the ink spray gun to perform position compensation. Then the lens transfer mechanism 1 drives the lens to rotate to below the second CCD camera 7. The second CCD camera 7 then transmits the image position information of the jig rotation mechanism 5 and the jig 4 to the PLC. After the PLC starts the X-axis horizontal linear module 82 and the Y-axis horizontal linear module 83 to drive the second jaw 81 to clamp the jig 4, the center of the jig 4 is moved to the center of the rotating disk of the jig rotation mechanism 5, so that the lens is concentric with the rotating disk.

[0036] Then the lens is rotated to the annular ink coating mechanism 9, and the ink spray gun 91 sprays ink towards the edge of the lens. While spraying ink, the jig rotation mechanism 5 drives the lens to rotate, so as to complete the annular blackening of the lens. If it is necessary to blacken both sides of the lens, directly skip the annular ink coating mechanism 9, rotate the lens to the side ink coating mechanism 10, and the cotton head horizontal driving electric cylinder 102 drives the cotton head with ink to move back and forth horizontally to blacken both sides of the lens.

[0037] Then the blackened lens is transferred to the detection table 114 by the suction nozzle 111 for detection. After the detection is completed, the second lens transfer mechanism 13 loads the detected lens into the lens carrier of the lens discharging mechanism 3.

[0038] Inspired by the ideal embodiments of the present invention described above, through the above description, relevant staff can completely make various changes and modifications within the scope not deviating from the technical idea of this invention. The technical scope of this invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An automatic lens blackening device, characterized in that, It includes a lens conveying mechanism (1), a lens feeding mechanism (2), a lens discharging mechanism (3), a fixture (4), a fixture rotating mechanism (5), a CCD camera I (6), a CCD camera II (7), a fixture centering mechanism (8), an annular ink coating mechanism (9), a side ink coating mechanism (10), a lens detection mechanism (11), a lens transfer mechanism I (12), and a lens transfer mechanism II (13). The lens feeding mechanism (2), the CCD camera I (6), the CCD camera II (7), the annular ink coating mechanism (9), the side ink coating mechanism (10), and the lens detection mechanism (11) are sequentially arranged outside the lens conveying mechanism (1). The lens discharging mechanism (3) is arranged outside the lens detection mechanism (11). The fixture rotating mechanism (5) is installed on the lens conveying mechanism (1). The rotating part of the fixture rotating mechanism (5) magnetically attracts the fixture (4) through a magnet. The fixture centering mechanism (8) is arranged below the CCD camera II (7). The lens transfer mechanism I (12) is arranged between the lens conveying mechanism (1) and the lens feeding mechanism (2). The lens transfer mechanism II (13) is arranged between the lens detection mechanism (11) and the lens discharging mechanism (3).

2. The automatic lens blackening device according to claim 1, wherein: The lens conveying mechanism (1) includes an electric control rotating table (14) and a jaw I (15). The fingers of the jaw I (15) are located above the rotating table of the electric control rotating table (14).

3. The automatic lens blackening device according to claim 1, characterized in that: The lens feeding mechanism (2) has the same structure as the lens discharging mechanism (3). The lens feeding mechanism (2) includes a vertical magazine (21), a tray (22), a tray horizontal movement linear module (23), a tray lifting cylinder (24), a carrier plate clamping block (25), a clamping block driving cylinder (26), a parallel jaw (27), and an insertion plate (28). The cylinders of the parallel jaws (27) are fixed on both the front and rear sides of the vertical magazine (21). Insertion plates (28) for inserting between adjacent lens carriers are fixed on both fingers of the parallel jaws (27). The tray horizontal movement linear module (23) is arranged below the vertical magazine (21) and the clamping block driving cylinder (26). The cylinder body of the tray lifting cylinder (24) is fixed on the slide of the tray horizontal movement linear module (23). The piston rod of the tray lifting cylinder (24) is fixed with the tray (22). There are two opposite clamping block driving cylinders (26) on one side of the vertical magazine (21). The piston rod of the clamping block driving cylinder (26) is fixed with the carrier plate clamping block (25). A positioning groove for positioning the lens carrier is arranged on the inner side surface of the carrier plate clamping block (25).

4. The automatic lens blackening device according to claim 2, wherein: The fixture rotating mechanism (5) includes a rotating disk and a motor. The body of the motor is fixed on the rotating table of the electric control rotating table (14). The rotating disk is fixed on the output shaft of the motor. The rotating disk is magnetically attracted to the fixture (4) through a magnet.

5. The automatic lens blackening device according to claim 1, characterized in that: The fixture centering mechanism (8) includes a jaw II (81), an X-axis horizontal linear module (82), and a Y-axis horizontal linear module (83). The cylinder body of the Y-axis horizontal linear module (83) is fixed on the slide of the X-axis horizontal linear module (82). The jaw II (81) is fixed on the slide of the Y-axis horizontal linear module (83).

6. The automatic lens blackening device according to claim 1, characterized in that: The described annular ink coating mechanism (9) includes an ink spray gun (91), a linear module for horizontal movement of the spray gun (92), and a linear module for vertical movement of the spray gun (93). The slide of the linear module for vertical movement of the spray gun (93) is fixed to the cylinder block of the linear module for horizontal movement of the spray gun (92), and the ink spray gun (91) is fixed to the slide of the linear module for horizontal movement of the spray gun (92).

7. The automatic lens blackening device according to claim 1, characterized in that: The described side ink coating mechanism (10) includes a cotton head, a cotton head lifting air cylinder (101), and a cotton head horizontal driving electric cylinder (102). The piston rod end of the cotton head horizontal driving electric cylinder (102) is fixed with the cotton head, and the cylinder block of the cotton head horizontal driving electric cylinder (102) is fixed to the piston rod of the cotton head lifting air cylinder (101).

8. The automatic lens blackening device according to claim 1, characterized in that: The described lens detection mechanism (11) includes a suction nozzle (111), a suction nozzle lifting power cylinder (112), a suction nozzle horizontal rotation motor (113), a detection table (114), a lateral CCD camera (115), a vertical CCD camera (116), and an electric rotating table (117). The lateral CCD camera (115) and the suction nozzle horizontal rotation motor (113) are provided on the side of the detection table (114), the vertical CCD camera (116) is provided above the detection table (114), the cylinder block of the suction nozzle lifting power cylinder (112) is connected to the output shaft of the suction nozzle horizontal rotation motor (113), the piston rod of the suction nozzle lifting power cylinder (112) is fixed with the suction nozzle (111) through a bracket, and the detection table (114) is fixed to the table top of the electric rotating table (117).

9. The automatic lens blackening device according to claim 1, characterized in that: The structures of the described lens transfer mechanism one (12) and the lens transfer mechanism two (13) are the same. The lens transfer mechanism one (12) includes a suction nozzle two (121), a linear module for horizontal movement of the suction nozzle (122), and a suction nozzle lifting power cylinder two (123). The slide of the linear module for horizontal movement of the suction nozzle (122) is fixed to the cylinder block of the suction nozzle lifting power cylinder two (123), and the suction nozzle two (121) is fixed to the piston rod of the suction nozzle lifting power cylinder two (123).

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