Lens ink coating device

Abstract

The utility model belongs to the technical field of optical lenses, and discloses a lens ink coating device which comprises a rack, a workbench is arranged on the rack, a tray, a sliding frame and a portal frame are arranged on the workbench, a first electric sliding table is arranged on the portal frame, a carrying assembly is arranged on a sliding base of the first electric sliding table, and an ink spraying mechanism is arranged on the workbench and comprises a base. A second electric sliding table is arranged on the base, a third electric sliding table perpendicular to the second electric sliding table is arranged on the second electric sliding table, a first pneumatic sliding table is vertically arranged on a sliding base of the third electric sliding table, a rotating air cylinder is horizontally arranged on a sliding base of the first pneumatic sliding table, and an ink jet support and an ink jet head are arranged on an output shaft of the rotating air cylinder. The base is further provided with a containing table and a positioning assembly. By means of movement of the second electric sliding table, the third electric sliding table and the first pneumatic sliding table and rotation of the rotating air cylinder, the ink jet head can spray a lens at multiple angles and multiple positions, and uneven thickness caused by spraying at a single angle or position is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of optical lenses, in particular to a lens ink coating device. Background Art

[0002] Optical lenses are lenses made of optical glass and are suitable for use in a variety of fields. After the optical lenses are produced, workers are required to use an inking device to apply ink to their surfaces. After the workers place the optical lenses on the inking device, some areas may not be able to be inked during the inking process due to the different curvatures of lenses of different models, making the lenses unable to achieve their intended use, thus causing waste.

[0003] In the Chinese utility model patent with the publication number CN220514615U, an optical lens ink coating device is disclosed: it includes an ink coating component and a support component, the ink coating component includes an ink coating machine, a control panel installed on the front of the ink coating machine, a lifting mechanism installed on the top of the ink coating machine, a support frame installed on the front of the lifting mechanism, and an applicator installed at the bottom of the support frame, and the support component includes a support rod installed through the top of the ink coating machine, a lifting rod installed inside the support rod, a support ball installed inside the lifting rod, and a suction cup installed on the top of the support ball. When the staff needs to apply ink to lenses of different models and curvatures, they first place the lens on the suction cup for adsorption, and then start the lifting rod installed inside the support rod to drive the suction cup installed on the top and the lens to rise. After the lifting, when the applicator contacts the lens, the support ball installed at the bottom can provide it with mobility, so that the applicator can fully apply ink to lenses of different curvatures.

[0004] With respect to the above-mentioned related technologies, the inventor believes that there are the following defects: during the use of the above-mentioned device, the lens needs to contact the applicator, and the ink is applied to the lens surface by the rotation of the applicator. However, during the rotation process, the applicator may scratch the lens, and the coating may be uneven by contacting the lens. Utility Model Content

[0005] In order to solve the above problems, the utility model provides a lens ink coating device.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions: a lens ink coating device, comprising a frame, a workbench is arranged on the frame, a tray for placing lenses and a sliding frame for the tray to slide are arranged on the workbench, a gantry frame spanning above the sliding frame is arranged on the workbench, a first electric slide is arranged on the crossbeam of the gantry frame, a transport assembly is fixedly arranged on the slide seat of the first electric slide, an inkjet mechanism is arranged on the workbench, the inkjet mechanism includes a base, a second electric slide is horizontally arranged on the base, and the second electric slide A connecting seat is arranged on the slide seat of the table, a third electric slide perpendicular to the second electric slide is arranged on the connecting seat, a mounting frame is arranged on the slide seat of the third electric slide, a first pneumatic slide is vertically arranged on the mounting frame, a rotating cylinder is horizontally arranged on the slide seat of the first pneumatic slide, an inkjet bracket is arranged on the output shaft of the rotating cylinder, an inkjet head is arranged on the inkjet bracket, a placing table is also arranged on one side of the rotating cylinder on the base, a pneumatic suction cup is arranged on the upper end surface of the placing table, and a positioning component for positioning the lens is also arranged on the base next to the placing table.

[0007] By adopting the above technical scheme, a workbench, a tray, a sliding frame, a first electric slide, a transport component and an inkjet mechanism are set up, the tray is used to carry the lens, the first electric slide drives the transport component to move between the tray and the inkjet mechanism to transport the lens, the placement table is used to fix the lens to be sprayed, the positioning component positions the lens on the placement table, the second electric slide and the third electric slide are used to allow the mounting frame to move freely in the XY direction on the horizontal plane, the first pneumatic slide drives the rotating cylinder to move up and down, so that the rotating cylinder has the ability to move in the XYZ direction, and then the rotating cylinder drives the inkjet bracket to rotate, so as to adjust the spraying angle of the inkjet head, so that the inkjet head can spray the lens at multiple angles and multiple positions, effectively covering every corner of the lens surface, avoiding the uneven thickness caused by spraying at a single angle or position, and at the same time the inkjet head does not contact the lens to avoid scratching the lens.

[0008] The cam is provided with a first sliding rail on the top of the support frame, and a first sliding block is slidably provided on both sides of the first sliding rail, and a positioning plate is provided on the first sliding block extending toward the placement platform. Limit plates are provided on the support frame at both ends of the first sliding rail, and guide holes are provided on the limit plates. A guide rod is provided on the side of the first sliding block adjacent to the limit plate, and one end of the guide rod is placed in the guide hole and a spring is also sleeved on the rod body of the guide rod between the first sliding block and the limit plate. A wedge block with an inclined bottom surface is provided at the bottom of the first sliding block. A lifting cylinder is vertically provided at the bottom of the support frame, and the piston rod of the lifting cylinder faces upward and a lifting seat is provided at the end thereof. A rotating wheel is rotatably provided at each end of the lifting seat, and the wheel surfaces of the rotating wheels at both ends respectively abut against the bottom inclined surfaces of the corresponding side wedge blocks.

[0009] By adopting the above technical scheme, a support frame, a first slide rail, a positioning plate, a limit plate, a guide rod, a spring, a wedge block, a lifting cylinder, a lifting seat and a rotating wheel are set. The lifting seat is driven to rise by the lifting cylinder, which drives the rotating wheel to rise, so that the rotating wheel pushes the wedge block upward, thereby, the wedge block drives the first slider, the positioning plate and the guide rod to move toward the two ends of the first slide rail, and the spring is compressed during the movement. At this time, the positioning plate is opened to facilitate the placement of the lens on the placement table; when the lifting cylinder descends, under the action of the spring, the first slider and the positioning plate move to the middle of the first slide rail, and then the positioning plate clamps the lens to achieve precise positioning of the lens.

[0010] Furthermore, a notch is provided on the workbench, a tray rack is arranged in the notch, a fourth electric slide is vertically arranged at the bottom of the workbench, the tray rack is fixedly connected to the slide seat of the fourth electric slide, a plurality of sliding grooves are vertically spaced in the tray rack, and a plurality of trays are slidably arranged in the sliding grooves.

[0011] By adopting the above technical solution, a fourth electric slide and a sliding groove are set, and the pallet rack is driven to move up and down by the fourth electric slide. A plurality of sliding grooves are arranged vertically at intervals in the pallet rack for placing pallets.

[0012] Furthermore, the sliding frame is arranged at the tray outlet side of the tray rack and along the sliding direction of the tray, and the sliding frame includes two support plates arranged in parallel and spaced apart on the workbench, and a plurality of rollers are arranged on opposite surfaces of the two support plates at intervals along their length directions, and the wheel core direction of the rollers is perpendicular to the length direction of the support plates.

[0013] By adopting the above technical solution, a support plate and rollers are provided, and the rollers are used to make the tray slide more smoothly when being pulled out.

[0014] Furthermore, baffles are provided on the two support plates, and the distance between the two baffles is consistent with the width of the tray.

[0015] By adopting the above technical solution, a baffle is arranged on the support plate to prevent the tray from deflecting during the sliding process.

[0016] Furthermore, a traction mechanism for driving the pallet to slide on the pallet rack and the sliding rack is arranged on the side of the sliding rack, and the traction mechanism includes a fifth electric slide arranged on the workbench, and a horizontally arranged sliding plate is fixedly arranged on the slide seat of the fifth electric slide, and a traction cylinder is horizontally arranged on the sliding plate between two support plates, and the piston rod of the traction cylinder faces the direction of the pallet rack and is provided with a traction hook at the end, and the pallet is provided with a traction hole corresponding to the traction hook.

[0017] By adopting the above technical solution, a fifth electric slide, a sliding plate, a traction cylinder and a traction hook are set up, and the traction cylinder drives the traction hook to move so that the traction hook cooperates with the traction hole, and then the fifth electric slide drives the sliding plate to slide, so that the traction hook pulls the pallet out of the pallet rack.

[0018] Furthermore, a second slide rail parallel to the fifth electric slide is provided on the workbench between the two support plates, and the slide plate is fixedly connected to the slider of the slide rail.

[0019] By adopting the above technical solution, a second slide rail is arranged on the workbench to provide sliding support for the sliding plate, thereby improving the stability of the structure.

[0020] Furthermore, the transport assembly includes a sliding seat arranged on the slide seat of the first electric slide, a second pneumatic slide is vertically arranged on the sliding seat, a lifting plate is arranged on the slide seat of the second pneumatic slide, a third pneumatic slide is vertically arranged on the lifting plate, a pneumatic clamp is arranged on the slide seat of the third pneumatic slide, a rodless cylinder is also horizontally arranged on the lifting plate, a fourth pneumatic slide is vertically arranged on the slide seat of the rodless cylinder, and a vacuum suction cup is arranged on the slide seat of the fourth pneumatic slide.

[0021] By adopting the above technical solution, a second pneumatic slide, a mounting plate, a third pneumatic slide, a pneumatic clamp, a rodless cylinder, a fourth pneumatic slide and a vacuum suction cup are set, and the fourth pneumatic slide and the vacuum suction cup are driven to move by the rodless cylinder, so as to adjust the distance between the rodless cylinder and the vacuum suction cup to adapt to more scenarios; the fourth pneumatic slide is used to drive the vacuum suction cup to move up and down, and the vacuum suction cup is used to absorb the un-inked lens; the third pneumatic slide is used to drive the pneumatic clamp to move up and down, and the pneumatic clamp is used to clamp the ink-sprayed lens.

[0022] In summary, the utility model has the following beneficial effects: in the present application, a workbench, a tray, a sliding frame, a first electric slide, a transport assembly and an inkjet mechanism are provided; the tray is used to carry the lens; the first electric slide drives the transport assembly to move between the tray and the inkjet mechanism to transport the lens; the placement table is used to fix the lens to be sprayed; the positioning assembly positions the lens on the placement table; the second electric slide and the third electric slide are used to allow the mounting frame to move freely in the XY direction on the horizontal plane; the first pneumatic slide drives the rotating cylinder to move up and down, so that the rotating cylinder has the ability to move in the XYZ direction; the rotating cylinder drives the inkjet bracket to rotate, thereby adjusting the spraying angle of the inkjet head, so that the nozzle can spray the lens at multiple angles and multiple positions, effectively covering every corner of the lens surface, avoiding the uneven thickness caused by spraying at a single angle or position; and at the same time, the inkjet head does not contact the lens to avoid scratching the lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the pallet rack and the traction mechanism part of the embodiment of the utility model;

[0025] Figure 3 yes Figure 2 A magnified view of part A;

[0026] Figure 4 yes Figure 2 A magnified view of part B;

[0027] Figure 5 It is a structural schematic diagram of the gantry and inkjet mechanism of the embodiment of the utility model;

[0028] Figure 6 yes Figure 5 Enlarged view of part C;

[0029] Figure 7 It is a structural schematic diagram of the inkjet mechanism part of the embodiment of the utility model;

[0030] Figure 8 It is a structural schematic diagram of the positioning component part of an embodiment of the utility model.

[0031] In the figure: 10, frame; 11, workbench; 12, gantry; 13, first electric slide; 14, notch; 15, second slide rail; 20, tray; 21, tray rack; 22, fourth electric slide; 23, sliding groove; 30, sliding rack; 31, support plate; 32, roller; 33, baffle; 40, handling assembly; 41, sliding seat; 42, second pneumatic slide; 43, lifting plate; 44, third pneumatic slide; 45, pneumatic gripper; 46, rodless cylinder; 47, fourth pneumatic slide; 48, vacuum suction cup; 50, inkjet mechanism; 51, base; 52, second electric slide Table; 53, connecting seat; 54, the third electric slide; 55, mounting frame; 56, the first pneumatic slide; 57, rotating cylinder; 58, inkjet bracket; 59, inkjet head; 60, placing table; 61, pneumatic suction cup; 70, positioning assembly; 71, supporting frame; 72, the first slide rail; 73, the first slider; 74, positioning plate; 75, limit plate; 76, guide rod; 77, wedge block; 78, lifting cylinder; 79, lifting seat; 791, rotating wheel; 80, traction mechanism; 81, the fifth electric slide; 82, sliding plate; 83, traction cylinder; 84, traction hook; 85, traction hole. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0033] like Figure 1-8 As shown, the embodiment of the present application discloses a lens ink coating device, including a frame 10, a workbench 11, a tray rack 21, a sliding rack 30, a traction mechanism 80, a gantry 12 and an inkjet mechanism 50, the workbench 11 is arranged on the frame 10, and a tray 20 is slidably arranged in the tray rack 21 for carrying lenses; the sliding rack 30 is arranged on the tray 20 outlet side of the tray rack 21 and arranged along the sliding direction of the tray 20, so that the tray 20 can slide out of the tray rack 21 smoothly; the traction mechanism 80 is arranged beside the sliding rack 30, and is used to drive the tray 20 to slide on the tray rack 21 and the sliding rack 30; the gantry 12 is arranged across the sliding rack 30, and a first electric slide 13 is arranged on the gantry 12, and a conveying assembly 40 is arranged on the slide seat of the first electric slide 13, which is used to move between the tray 20 and the inkjet mechanism 50 to transport the lenses; the inkjet mechanism 50 is arranged on the workbench 11 for spraying the lenses.

[0034] Specifically, a notch 14 is provided on the workbench 11 at the tray rack 21, and a fourth electric slide 22 is vertically arranged at the bottom of the workbench 11. The tray rack 21 is fixedly connected to the slide seat of the fourth electric slide 22, so that the fourth electric slide 22 can drive the tray rack 21 to move up and down. A plurality of sliding grooves 23 are vertically arranged at intervals in the tray rack 21, and a plurality of trays 20 are slidably arranged in the sliding grooves 23. The tray rack 21 has a plurality of layers of sliding grooves 23, and a plurality of layers of trays 20 can be placed.

[0035] The sliding frame 30 includes two support plates 31 arranged in parallel and at intervals on the workbench 11. A plurality of rollers 32 are arranged at intervals along the length direction of the two support plates 31 on the opposite surfaces thereof. The wheel core direction of the rollers 32 is perpendicular to the length direction of the support plates 31, so that the tray 20 can slide smoothly on the sliding frame 30. Baffles 33 are arranged on the two support plates 31. The distance between the two baffles 33 is consistent with the width of the tray 20 to prevent the tray 20 from deflecting during the sliding process.

[0036] The traction mechanism 80 includes a fifth electric slide 81, a sliding plate 82, a traction cylinder 83 and a traction hook 84. The fifth electric slide 81 is arranged on the workbench 11, and the sliding plate 82 is arranged horizontally and fixedly arranged on the slide seat of the fifth electric slide 81, so that the sliding plate 82 can slide on the fifth electric slide 81. The sliding plate 82 extends from the slide seat of the fifth electric slide 81 to the exit side of the tray 20 of the tray rack 21. A second slide rail 15 parallel to the fifth electric slide 81 is arranged between two support plates 31 on the workbench 11. The extended end of the sliding plate 82 is fixedly connected to the slider of the second slide rail 15, and the sliding plate 82 is slidably supported to improve the stability of the structure. The traction cylinder 83 is arranged on the plate body of the sliding plate 82 between the two supporting plates 31, the piston rod of the traction cylinder 83 faces the direction of the pallet rack 21, the traction hook 84 is arranged at the end of the piston rod, and the pallet 20 is provided with a traction hole 85 corresponding to the traction hook 84. The position of the traction hook 84 is controlled by the traction cylinder 83, so that the traction hook 84 can be matched or separated with the traction hole 85. Blocks are arranged on both sides of the sliding plate 82 located on the traction cylinder 83, which are used to fix the pallet 20 pulled out by the traction hook 84. When the traction hook 84 is matched with the traction hole 85, the fifth electric slide 81 drives the sliding plate 82 to slide, so that the traction hook 84 pulls the pallet 20 out of the pallet rack 21.

[0037] The transport assembly 40 includes a sliding seat 41 arranged on the sliding seat of the first pneumatic slide 56, a second pneumatic slide 42 is vertically arranged on the sliding seat 41, and a lifting plate 43 is arranged on the sliding seat of the second pneumatic slide 42, so that the lifting plate 43 can move in the XY direction on the vertical plane. A third pneumatic slide 44 is vertically arranged on the lifting plate 43, and a pneumatic clamp 45 is arranged on the sliding seat of the third pneumatic slide 44 for clamping the sprayed lens. A rodless cylinder 46 is also horizontally arranged on the lifting plate 43, a fourth pneumatic slide 47 is vertically arranged on the sliding seat of the rodless cylinder 46, and a vacuum suction cup 48 is arranged on the sliding seat of the fourth pneumatic slide 47. The fourth pneumatic slide 47 and the vacuum suction cup 48 are driven by the rodless cylinder 46 to move, so as to adjust the distance between the pneumatic clamp 45 and the vacuum suction cup 48, adapt to more scenes, and suck the unsprayed lens through the vacuum suction cup 48. The unsprayed lens and the sprayed lens are transported separately between the tray 20 and the inkjet mechanism 50, and the sprayed lens is clamped by the pneumatic clamp 45, which will not damage the coating of the lens and ensure the quality of the lens.

[0038] The inkjet mechanism 50 includes a base 51, on which a second electric slide 52 is horizontally arranged, on which a connecting seat 53 is arranged on the slide seat of the second electric slide 52, on which a third electric slide 54 perpendicular to the second electric slide 52 is arranged, and on which a mounting frame 55 is arranged on the slide seat of the third electric slide 54, so that the mounting frame 55 can move freely in the XY direction on the horizontal plane. A first pneumatic slide 56 is vertically arranged on the mounting frame 55, and on the slide seat of the first pneumatic slide 56, a rotating cylinder 57 is horizontally arranged, so that the rotating cylinder 57 has the ability to move in all directions of XYZ. An inkjet bracket 58 is arranged on the output shaft of the rotating cylinder 57, and an inkjet head 59 is arranged on the inkjet bracket 58. Through the second electric slide 52, the third electric slide 54, the first pneumatic slide 56 and the rotating cylinder 57, the inkjet head 59 can be moved at multiple angles and multiple positions to spray the lens, effectively covering every corner of the lens surface, avoiding uneven thickness caused by spraying at a single angle or position, and at the same time, the inkjet head 59 does not contact the lens to avoid scratching the lens.

[0039] A placing table 60 is also provided on the base 51 at one side of the rotating cylinder 57, and a pneumatic suction cup 61 is provided on the upper end surface of the placing table 60 for fixing the lens. A positioning assembly 70 is also provided on the base 51 at the side of the placing table 60 for positioning the lens. In specific configuration, the positioning assembly 70 includes a support frame 71, a first slide rail 72 is transversely provided on the top of the support frame 71, and first sliders 73 are slidably provided on both sides of the first slide rail 72, and a positioning plate 74 is extended toward the placing table 60 on the first slider 73, so that when the slider slides, the positioning plate 74 is driven to move. Limiting plates 75 are arranged at both ends of the first slide rail 72 on the support frame 71, and guide holes are arranged on the limiting plates 75. A guide rod 76 is arranged on the side of the first slider 73 adjacent to the limiting plates 75. One end of the guide rod 76 is placed in the guide hole and the guide rod 76 is located between the first slider 73 and the limiting plates 75. A spring is also sleeved on the rod body. One end of the spring abuts against the first slider 73, and the other end abuts against the limiting plates 75, so that in the absence of external force, the two springs provide thrust to the corresponding first slider 73 respectively, so that the two positioning plates 74 adjust the lens on the placement table 60 to the standard position required for spraying. A wedge block 77 with an inclined bottom surface is provided at the bottom of the first sliding block 73, and a lifting cylinder 78 is vertically provided at the bottom of the support frame 71. The piston rod of the lifting cylinder 78 is upward and a lifting seat 79 is provided at the end. A rotating wheel 791 is rotatably provided at each end of the lifting seat 79. The wheel surfaces of the rotating wheels 791 at both ends respectively abut against the bottom inclined surfaces of the corresponding side wedge blocks 77. The lifting seat 79 is driven to rise by the lifting cylinder 78, driving the rotating wheel 791 to rise, so that the rotating wheel 791 pushes the wedge block 77 upward. At this time, the wedge block 77 drives the first sliding block 73, the positioning plate 74 and the guide rod 76 to move toward the two ends of the first slide rail 72, and the positioning plate 74 is opened to facilitate the placement of the lens on the placement table 60.

[0040] The use principle of a lens ink coating device in this embodiment is as follows: place the tray 20 with lenses in the sliding groove 23 of the tray rack 21, start the fourth electric slide 22 to drive the tray rack 21 to move up and down so that the tray 20 is at the traction height, start the fifth electric slide 81 to drive the sliding plate 82, the traction cylinder 83 and the traction hook 84 to move toward the tray 20, so that the traction hook 84 is located directly above the traction hole 85, the fourth electric slide 22 drives the tray rack 21 to rise, so that the traction hook 84 cooperates with the traction hole 85, and then control the traction cylinder 83 to contract, so that the edge of the tray 20 abuts against the abutment block to fix the tray 20. Then start the fifth electric slide 81 to drive the sliding plate 82, the traction cylinder 83 and the traction hook 84 to move, and pull the tray 20 onto the sliding rack 30. Then the fourth pneumatic slide 47 is started to drive the vacuum suction cup 48 to descend. After the vacuum suction cup 48 sucks the lens, the fourth pneumatic slide 47 retracts to lift the lens to a certain height, and then the first electric slide 13 is started to drive the sliding seat 41 to move toward the placement platform 60 and reach above the placement platform 60. Then, the lifting cylinder 78 is started to drive the lifting seat 79 to rise, driving the rotating wheel 791 to rise, so that the rotating wheel 791 pushes the wedge block 77 upward. At this time, the wedge block 77 drives the first slider 73, the positioning plate 74 and the guide rod 76 to move toward the two ends of the first slide rail 72, so that the positioning plate 74 opens, and the fourth pneumatic slide 47 descends to place the lens on the pneumatic suction cup 61. The lifting cylinder 78 drives the lifting seat 79 to descend. Under the action of the spring, the first slider 73 and the positioning plate 74 move toward the middle of the first slide rail 72, and then the positioning plate 74 clamps the lens, accurately positions the lens, and starts the pneumatic suction cup 61 to suck and fix the lens, and then the lifting cylinder 78 drives the positioning plate 74 to open for avoidance. Then, the second electric slide 52, the third electric slide 54, the first pneumatic slide 56 and the rotary cylinder 57 are started so that the inkjet head 59 can spray the lens at multiple angles and positions, effectively covering every corner of the lens surface and avoiding uneven thickness caused by spraying at a single angle or position. After the spraying is completed, the third pneumatic slide 44 drives the pneumatic clamp 45 to descend, grab the sprayed lens and transport it back to the tray 20.

[0041] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A lens ink coating device, comprising a frame (10), wherein a workbench (11) is arranged on the frame (10), wherein: The workbench (11) is provided with a tray (20) for placing lenses and a sliding frame (30) for the tray (20) to slide; the workbench (11) is provided with a gantry frame (12) spanning the sliding frame (30); a first electric slide (13) is provided on the crossbeam of the gantry frame (12); a transport assembly (40) is fixedly provided on the slide seat of the first electric slide (13); an inkjet mechanism (50) is provided on the workbench (11); the inkjet mechanism (50) comprises a base (51); a second electric slide (52) is horizontally provided on the base (51); a connecting seat (53) is provided on the slide seat of the second electric slide (52); a connecting seat (53) is provided on the connecting seat (53) for connecting with the second electric slide A third electric slide (54) is vertically arranged on the slide (52); a mounting frame (55) is arranged on the slide seat of the third electric slide (54); a first pneumatic slide (56) is vertically arranged on the mounting frame (55); a rotating cylinder (57) is horizontally arranged on the slide seat of the first pneumatic slide (56); an inkjet bracket (58) is arranged on the output shaft of the rotating cylinder (57); an inkjet head (59) is arranged on the inkjet bracket (58); a placing table (60) is also arranged on one side of the rotating cylinder (57) on the base (51); a pneumatic suction cup (61) is arranged on the upper end surface of the placing table (60); and a positioning component (70) for positioning a lens is also arranged on the base (51) next to the placing table (60).

2. The lens ink coating device according to claim 1, characterized in that: The positioning assembly (70) comprises a support frame (71), a first slide rail (72) is transversely arranged on the top of the support frame (71), first sliders (73) are slidably arranged on both sides of the first slide rail (72), a positioning plate (74) is extended on the first slider (73) in the direction of the placement platform (60), limiting plates (75) are arranged at both ends of the first slide rail (72) on the support frame (71), guide holes are arranged on the limiting plates (75), a guide rod (76) is arranged on the side of the first slider (73) adjacent to the limiting plate (75), and the guide rod (74) is provided on the first slider (73). One end of the guide rod (76) is placed in the guide hole and the guide rod (76) is located between the first slider (73) and the limit plate (75). A spring is also sleeved on the rod body. The bottom of the first slider (73) is provided with a wedge block (77) with an inclined bottom surface. A lifting cylinder (78) is vertically provided at the bottom of the support frame (71). The piston rod of the lifting cylinder (78) is upward and a lifting seat (79) is provided at the end. A rotating wheel (791) is rotatably provided at each end of the lifting seat (79). The wheel surfaces of the rotating wheels (791) at the two ends are respectively in contact with the bottom inclined surfaces of the corresponding side wedge blocks (77).

3. The lens ink coating device according to claim 1, characterized in that: The workbench (11) is provided with a notch (14), a tray rack (21) is arranged in the notch (14), a fourth electric slide (22) is vertically arranged at the bottom of the workbench (11), the tray rack (21) is fixedly connected to the slide seat of the fourth electric slide (22), a plurality of sliding grooves (23) are vertically spaced in the tray rack (21), and a plurality of trays (20) are slidably arranged in the sliding grooves (23).

4. The lens ink coating device according to claim 3, characterized in that: The sliding frame (30) is arranged at the exit side of the tray (20) of the tray frame (21) and is arranged along the sliding direction of the tray (20), and the sliding frame (30) comprises two support plates (31) arranged in parallel and spaced apart on the workbench (11), and a plurality of rollers (32) are arranged spaced apart on opposite surfaces of the two support plates (31) along their length direction, and the wheel core direction of the rollers (32) is perpendicular to the length direction of the support plates (31).

5. The lens ink coating device according to claim 4, characterized in that: Baffles (33) are provided on the two support plates (31), and the distance between the two baffles (33) is consistent with the width of the tray (20).

6. The lens ink coating device according to claim 1, characterized in that: A traction mechanism (80) is arranged beside the sliding frame (30) for driving the pallet (20) to slide on the pallet frame (21) and the sliding frame (30), and the traction mechanism (80) comprises a fifth electric slide (81) arranged on the workbench (11), a horizontally arranged sliding plate (82) is fixedly arranged on the slide seat of the fifth electric slide (81), a traction cylinder (83) is horizontally arranged on the sliding plate (82) and located between two support plates (31), a piston rod of the traction cylinder (83) faces the direction of the pallet frame (21) and is provided with a traction hook (84) at the end, and a traction hole (85) is provided on the pallet (20) corresponding to the traction hook (84).

7. The lens ink coating device according to claim 6, characterized in that: A second slide rail (15) parallel to the fifth electric slide table (81) is arranged between two support plates (31) on the workbench (11), and the slide plate (82) is fixedly connected to the slider of the slide rail.

8. The lens ink coating device according to claim 1, characterized in that: The conveying assembly (40) includes a sliding seat (41) arranged on the sliding seat of the first electric slide (13), a second pneumatic slide (42) is vertically arranged on the sliding seat (41), a lifting plate (43) is arranged on the sliding seat of the second pneumatic slide (42), a third pneumatic slide (44) is vertically arranged on the lifting plate (43), a pneumatic clamp (45) is arranged on the sliding seat of the third pneumatic slide (44), a rodless cylinder (46) is also horizontally arranged on the lifting plate (43), a fourth pneumatic slide (47) is vertically arranged on the sliding seat of the rodless cylinder (46), and a vacuum suction cup (48) is arranged on the sliding seat of the fourth pneumatic slide (47).

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