Fully automatic printing equipment and swimming goggle surface printing process

Abstract

The present invention relates to the technical field of printing equipment, and discloses a fully automatic printing equipment and a process for printing on the surface of swimming goggles. The present invention cooperates with a loading mechanism, a printing mechanism, and a discharge assembly. When printing workpieces in batches, a worker pours a large number of workpieces into the loading hopper of the loading mechanism, so that a number of workpieces fall into the lower hopper. The lower hopper pours the workpieces into a vibrating plate in batches under the drive of a driving plate, which can effectively prevent the workpieces from being shaken out of the vibrating plate due to excessive workpieces in the vibrating plate; after the workpieces are sorted by the vibrating plate, they are placed on a loading plate by a robot, and the rotating loading plate sends the workpieces to be printed to the pad printing device for printing, and sends the printed workpieces to the discharge assembly for unloading, thereby realizing automatic loading, printing, and unloading of the workpieces, so that the printing of the workpieces can be carried out continuously, that is, the printing efficiency of the equipment is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of printing equipment, in particular to a fully automatic printing equipment and a surface printing process for swimming goggles. Background Art

[0002] Pad printing is a specialty printing method capable of printing text, graphics, and images onto irregularly shaped surfaces. The principle of a pad printer is to first create a gravure plate from a steel plate using a film platemaking method. This is then transferred to the substrate using a specialized pad printing head. Specialized inks can be formulated to ensure quality, depending on the product's material. Pad printers are widely used in a variety of industries, including plastics, toys, glass, metal, electronics, sporting goods, stationery, and optics. Traditional pad printers can only print a specific number of substrates at a time, resulting in batch printing. After printing the substrate on the clamping locator, the machine must be temporarily stopped to allow manual removal of the printed substrate from the clamping locator before a new substrate is manually loaded. This intermittent printing process results in low printing efficiency. Summary of the Invention

[0003] In view of the shortcomings of the existing technology, the present invention provides a fully automatic printing device and a swimming goggle surface printing process to overcome the above-mentioned technical problems existing in the existing related technology.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a fully automatic printing device, including a main body, characterized in that: a loading mechanism, a printing mechanism, a unloading assembly and a drying assembly are arranged on the main body, the loading mechanism includes an upper hopper, a driving plate, a lower hopper, a vibrating disk and a manipulator, a support platform is installed under the upper hopper, the driving plate is installed on the supporting platform, a support rod is provided in the supporting platform, the lower hopper is connected to the support rod through a connecting shaft, the lower hopper is between the supporting platform and the upper hopper, the driving plate drives the connecting shaft to drive the lower hopper to tilt and pour the workpiece into the vibrating plate The vibrating plate vibrates to turn the workpiece over, the printing mechanism includes a pad printing device and a loading plate, the pad printing device prints the workpiece by picking up ink through a pad printing head, the loading plate is installed below the pad printing device, a plurality of holding slots for holding the workpiece are provided on the loading plate, the loading plate is rotated to make the holding slots pass through the feeding mechanism, the printing mechanism and the unloading assembly in sequence, the manipulator and the unloading assembly are respectively arranged on both sides of the printing mechanism, the manipulator puts the workpiece turned over in the vibrating plate into the holding slot, and the unloading assembly puts the printed workpiece on the drying assembly for drying.

[0005] Preferably, the upper hopper is fixedly mounted in the middle of the main body, the two support platforms are symmetrically fixedly mounted below the upper hopper, a slide groove is provided on each support platform, the support rod is fixedly mounted between the two support platforms, the bottom of both sides of the driving plate are fixedly connected with sliders, the driving plate is slidably mounted in the slide groove through the sliders at the bottom, and driving racks are fixedly connected on both sides of the driving plate, the side of the driving plate away from the vibration disk is fixedly connected to the output shaft of the driving cylinder, the driving cylinder is located between the two support platforms, and the driving cylinder is fixedly mounted on the bottom of the upper hopper.

[0006] Preferably, a mounting frame is fixedly connected to the outer side of the upper hopper, and a sector-shaped gear ring is fixedly mounted on the mounting frame.

[0007] Preferably, the connecting shaft is fixedly connected to the bottom of the lower hopper, the connecting shaft is rotatably mounted on the upper end of the support rod, both ends of the connecting shaft are coaxially fixedly connected with a driving gear, the driving gear is meshed with the driving rack, the discharge end of the lower hopper extends above the vibrating plate, a baffle is provided on the discharge end of the lower hopper, a rotating shaft is fixedly connected to the baffle, the baffle is rotatably mounted on the lower hopper through the rotating shaft, both ends of the rotating shaft pass through both sides of the lower hopper, the end of the rotating shaft extending out of the lower hopper is coaxially fixedly connected with a driven gear, and the driven gear is meshed with the fan-shaped gear ring.

[0008] Preferably, the vibration plate is fixedly mounted on the main body, the vibration plate is located between the loading hopper and the loading plate, the manipulator is fixedly mounted on one side of the vibration plate, and a loading suction cup is fixedly mounted on the manipulator.

[0009] Preferably, a mounting base is fixedly mounted on the pad printing device, the mounting base is located below the pad printing head of the pad printing device, the loading plate is rotatably mounted on the mounting base, a plurality of the containing slots are evenly distributed on the loading plate, and a driving motor is also fixedly mounted on the mounting base, the output end of the driving motor cooperates with the loading plate, and the driving motor is used to drive the loading plate to rotate on the mounting base.

[0010] Preferably, the unloading assembly includes a fixed frame, which is fixedly mounted on the main body and located on the other side of the vibration plate. A linear motor is fixedly mounted on the fixed frame, and a sliding plate is assembled on the linear motor. The bottom side of the sliding plate is fixedly connected to a unloading cylinder, and the output end of the unloading cylinder is fixedly connected to a unloading suction cup.

[0011] Preferably, the drying component includes a support frame, an electric conveyor belt and a drying channel. The support frame is fixedly connected to the main body, and the electric conveyor belt is fixedly installed on the support frame. One end of the electric conveyor belt passes under the fixed frame and extends to the bottom of the unloading cylinder. The drying channel is fixedly installed on the other end of the electric conveyor belt, and an electric heating pipe is fixedly installed in the drying channel.

[0012] Preferably, two industrial cameras are fixedly mounted on the main body, and the two industrial cameras are respectively located above the vibration plate and the loading plate.

[0013] The present invention also provides a surface printing process for swimming goggles, which uses a fully automatic printing device, and the specific steps are as follows:

[0014] First, pour the workpiece to be printed into the upper hopper of the loading mechanism, and the workpiece in the upper hopper falls into the lower hopper. During printing, the lower hopper pours the workpiece into the vibrating plate in batches. The vibrating plate turns the workpiece upright by vibration. Then the robot grabs the upright workpiece in the vibrating plate and puts it into the holding slot. The loading plate rotates to transport the workpiece in the holding slot to the bottom of the pad printing device for printing. At the same time, the robot puts the next workpiece into another empty holding slot. After the workpiece is printed, the loading plate rotates again to transport the printed workpiece to the unloading assembly. The unloading assembly takes the workpiece out of the holding slot and places it in the drying assembly to dry the ink printed on the workpiece, thereby completing the printing of the workpiece.

[0015] Compared with the prior art, the present invention provides a fully automatic printing device and a surface printing process for swimming goggles, which have the following beneficial effects:

[0016] 1. The fully automatic printing equipment and the surface printing process of swimming goggles, through the cooperation of the feeding mechanism, the printing mechanism and the unloading assembly, when printing workpieces in batches, the staff pours a large number of workpieces into the feeding hopper of the feeding mechanism, so that a number of workpieces fall into the lower hopper. The lower hopper is driven by the driving plate to pour the workpieces into the vibration plate in batches, avoiding excessive workpieces in the vibration plate. When the vibration plate vibrates, the workpieces are shaken out of the vibration plate. After being sorted by the vibration plate, the workpieces are placed on the loading plate by the robot. The rotating loading plate sends the workpieces to be printed to the pad printing device for printing, and sends the printed workpieces to the unloading assembly for unloading, thereby realizing automatic loading, printing and unloading of workpieces, so that the printing work of the workpieces can be carried out continuously, thereby improving the printing efficiency of the equipment.

[0017] 2. This fully automatic printing equipment and swimming goggle surface printing process, through the setting of the drying component, after the unloading component places the removed workpiece on the electric conveyor belt, the rotating electric conveyor belt carries the workpiece through the drying channel, and the drying channel quickly dries the ink on the workpiece, thereby further improving the printing efficiency of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0019] Figure 2 It is a schematic side view of the main structure of the present invention;

[0020] Figure 3 It is a schematic diagram of the internal structure of the main body of the present invention;

[0021] Figure 4 This is a schematic diagram of the internal planar structure of the main body of the present invention;

[0022] Figure 5 It is a schematic side view of the upper hopper structure of the present invention;

[0023] Figure 6 This is a schematic diagram of the internal structure of the drying component of the present invention;

[0024] Figure 7 This is a schematic diagram of the planar structure of the drying component of the present invention;

[0025] Figure 8 This is a schematic side view of the drying assembly of the present invention;

[0026] Figure 9 Schematic diagram of the internal structure of the upper hopper of the present invention;

[0027] Figure 10 for Figure 9 A local enlarged structural diagram of point A;

[0028] Figure 11 Schematic diagram of the positional relationship between the lower hopper and the support rod and other components of the present invention;

[0029] Figure 12 for Figure 11 Schematic diagram of the local enlarged structure at point B.

[0030] In the figure: 1. Main body; 2. Loading mechanism; 21. Loading hopper; 22. Support platform; 221. Slide; 23. Support rod; 24. Driving plate; 25. Driving rack; 26. Driving cylinder; 27. Mounting frame; 28. Fan-shaped gear ring; 3. Unloading hopper; 31. Connecting shaft; 32. Driving gear; 33. Baffle; 34. Rotating shaft; 35. Driven gear; 4. Vibrating plate; 5. Manipulator; 51. Loading suction cup; 6. Printing mechanism; 61. Pad printing device; 62. Mounting seat; 63. Loading tray; 631. Receiving slot; 64. Driving motor; 7. Unloading assembly; 71. Fixed frame; 72. Linear motor; 73. Sliding plate; 74. Unloading cylinder; 75. Unloading suction cup; 8. Drying assembly; 81. Support frame; 82. Electric conveyor belt; 83. Drying channel; 84. Electric heating tube; 9. Industrial camera. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Embodiment 1;

[0033] See also Figures 1-12 A fully automatic printing device includes a main body 1, on which a loading mechanism 2, a printing mechanism 6, a discharge assembly 7 and a drying assembly 8 are provided. The loading mechanism 2 includes an upper hopper 21, a driving plate 24, a lower hopper 3, a vibration plate 4 and a manipulator 5. A support platform 22 is installed under the upper hopper 21, and the driving plate 24 is installed on the support platform 22. A support rod 23 is provided in the support platform 22. The lower hopper 3 is connected to the support rod 23 through a connecting shaft 31. The lower hopper 3 is between the support platform 22 and the upper hopper 21. The driving plate 24 drives the connecting shaft 31 to drive the lower hopper 3 to tilt and pour the workpiece into the vibration plate 4. The vibration plate 4 The workpiece is straightened by vibration. The printing mechanism 6 includes a pad printing device 61 and a loading tray 63. The pad printing device 61 prints the workpiece by picking up ink through a pad printing head. The loading tray 63 is installed below the pad printing device 61. A number of holding slots 631 for holding workpieces are provided on the loading tray 63. The loading tray 63 rotates so that the holding slots 631 pass through the loading mechanism 2, the printing mechanism 6 and the unloading assembly 7 in sequence. The manipulator 5 and the unloading assembly 7 are respectively arranged on both sides of the printing mechanism 6. The manipulator 5 puts the workpiece straightened in the vibration plate 4 into the holding slot 631, and the unloading assembly 7 puts the printed workpiece on the drying assembly 8 for drying.

[0034] When in use, several workpieces to be printed are poured into the upper hopper 21, and several workpieces fall into the lower hopper 3 through the upper hopper 21. At this time, the driving plate 24 is located at the end of the support platform 22 close to the vibration plate 4, so that the lower hopper 3 and the vibration plate 4 are kept level. When printing starts, the driving plate 24 moves toward the other end of the support platform 22, thereby driving the lower hopper 3 to tilt toward the vibration plate 4. After the tilted lower hopper 3 pours some workpieces into the vibration plate 4, the driving plate 24 moves in the opposite direction and moves back to the end of the support platform 22 close to the vibration plate 4. The inclined lower hopper 3 rotates upward and keeps it level with the vibration plate 4 again, thereby stopping dumping the workpieces into the vibration plate 4. Among them, the side of the workpiece to be printed is the front side, and the other side is the back side. When the workpieces are poured into the vibration plate 4, some workpieces will be in an inverted state with the back side facing up, while the other part of the workpieces will be facing up, and some workpieces will be stacked together. At this time, the vibration plate 4 will disperse the stacked workpieces by vibration, and turn the inverted workpieces over so that the front side of the workpiece is facing up. Then the manipulator 5 will print the front side of the workpiece. The upward workpiece is picked up and placed in the hollow holding slot 631 of the carrier 63. The carrier 63 then rotates to transfer the holding slot 631 containing the workpiece to the bottom of the pad printing device 61. The pad printing device 61 then prints ink onto the workpiece through the pad printing head. At the same time, the robot 5 places the next workpiece into another empty holding slot 631. The carrier 63 then rotates again to transfer the printed workpiece to the unloading assembly 7, and the next workpiece to be printed is transferred to the pad printing device 61. At this time, the unloading assembly 7 removes the printed workpiece from the holding slot 631. 31 and placed on the drying assembly 8 for drying, while the pad printing device 61 prints the next workpiece. At the same time, the manipulator 5 places a workpiece in the vibration disk 4 into the empty holding tray again. When the workpieces in the vibration disk 4 are about to be taken out, the driving plate 24 drives the lower hopper 3 to tilt again and add the workpieces to the vibration disk 4. After the workpieces are added, the driving plate 24 resets the tilted lower hopper 3 and returns it to a horizontal state, waiting for the next workpiece to be added to the vibration disk 4. The above steps are repeated until all the workpieces in this batch are printed.

[0035] The difference from the above embodiment is that the upper hopper 21 is fixedly installed in the middle of the main body 1, and the two support platforms 22 are symmetrically fixedly installed below the upper hopper 21. A slide groove 221 is provided on each support platform 22, and the support rod 23 is fixedly installed between the two support platforms 22. The bottom of both sides of the driving plate 24 is fixedly connected with a slider, and the driving plate 24 is slidably installed in the slide groove 221 through the slider at the bottom. The driving rack 25 is fixedly connected on both sides of the driving plate 24, and the side of the driving plate 24 away from the vibration disk 4 is fixedly connected to the output shaft of the driving cylinder 26. The driving cylinder 26 is located between the two support platforms 22 and is fixedly installed at the bottom of the upper hopper 21.

[0036] Among them, at the initial stage, the output shaft of the driving cylinder 26 is in an extended state, pushing the driving plate 24 to the end of the support platform 22 close to the vibration disk 4. When the lower hopper 3 needs to be tilted, the driving cylinder 26 retracts the output shaft, thereby dragging the driving plate 24 to move toward the other end of the support platform 22. When the lower hopper 3 needs to be lifted, the driving cylinder 26 extends the output shaft again, pushing the driving plate 24 to move toward the end of the support platform 22 close to the vibration disk 4. During this process, the driving plate 24 slides on the support platform 22 through the cooperation of the slider and the slide groove 221.

[0037] The difference from the above embodiment is that a mounting frame 27 is fixedly connected to the outer side of the upper hopper 21 , and a sector-shaped gear ring 28 is fixedly mounted on the mounting frame 27 .

[0038] The difference from the above embodiment is that, the connecting shaft 31 is fixedly connected to the bottom of the lower hopper 3, the connecting shaft 31 is rotatably mounted on the upper end of the support rod 23, and both ends of the connecting shaft 31 are coaxially fixedly connected with a driving gear 32, the driving gear 32 is meshed with the driving rack 25, and the discharge end of the lower hopper 3 extends above the vibrating disk 4, and a baffle 33 is provided on the discharge end of the lower hopper 3, and a rotating shaft 34 is fixedly connected to the baffle 33, and the baffle 33 is rotatably mounted on the lower hopper 3 through the rotating shaft 34, and both ends of the rotating shaft 34 pass through both sides of the lower hopper 3, and the end of the rotating shaft 34 extending out of the lower hopper 3 is coaxially fixedly connected with a driven gear 35, and the driven gear 35 is meshed with the fan-shaped gear ring 28.

[0039] Among them, initially, the lower hopper 3 and the vibrating plate 4 are kept horizontal, and the driven gear 35 is located at the upper end of the sector gear ring 28, so that the baffle 33 closes the discharge end of the lower hopper 3. When the driving plate 24 moves toward the driving cylinder 26, the driving plate 24 drives the connecting shaft 31 to rotate through the cooperation of the driving rack 25 and the driving gear 32, so that the connecting shaft 31 drives the lower hopper 3 to tilt toward the vibrating plate 4. In this process, the tilted lower hopper 3 drives the driven gear 35 to move toward the lower end of the sector gear ring 28, and drives the rotating shaft 34 to drive the baffle 33 through the sector gear ring 28. The plate 33 rotates upward, thereby opening the discharge end, so that the lower hopper 3 can pour the workpiece into the vibrating disk 4. When the driving plate 24 moves toward the vibrating disk 4, the driving plate 24 drives the connecting shaft 31 to rotate through the cooperation of the driving rack 25 and the driving gear 32, so that the connecting shaft 31 drives the lower hopper 3 to lift upward and keep it level with the vibrating disk 4. In this process, the lifted lower hopper 3 drives the driven gear 35 to move toward the upper end of the sector gear ring 28, and drives the rotating shaft 34 through the sector gear ring 28 to drive the baffle 33 to rotate downward, thereby closing the discharge end.

[0040] The difference from the above embodiment is that the vibration plate 4 is fixedly mounted on the main body 1 , the vibration plate 4 is located between the upper hopper 21 and the loading plate 63 , the manipulator 5 is fixedly mounted on one side of the vibration plate 4 , and a loading suction cup 51 is fixedly mounted on the manipulator 5 .

[0041] The robot arm 5 grabs the workpiece through the loading suction cup 51 and places the grabbed workpiece into the holding groove 631 .

[0042] The difference from the above embodiment is that a mounting base 62 is fixedly installed on the pad printing device 61, and the mounting base 62 is located below the pad printing head of the pad printing device 61. The loading tray 63 is rotatably installed on the mounting base 62, and a plurality of receiving grooves 631 are evenly distributed on the loading tray 63. A drive motor 64 is also fixedly installed on the mounting base 62, and the output end of the drive motor 64 cooperates with the loading tray 63. The drive motor 64 is used to drive the loading tray 63 to rotate on the mounting base 62.

[0043] When printing a workpiece, the driving motor 64 drives the loading tray 63 to rotate, so that the receiving slot 631 on the loading tray 63 passes through the robot 5, the pad printing device 61 and the unloading assembly 7 in sequence, thereby automatically completing the loading, printing and unloading of the workpiece.

[0044] The difference from the above embodiment is that the unloading assembly 7 includes a fixed frame 71, which is fixedly mounted on the main body 1 and is located on the other side of the vibration plate 4. A linear motor 72 is fixedly mounted on the fixed frame 71, and a sliding plate 73 is assembled on the linear motor 72. The bottom side of the sliding plate 73 is fixedly connected to a unloading cylinder 74, and the output end of the unloading cylinder 74 is fixedly connected to a unloading suction cup 75.

[0045] Among them, when unloading, the linear motor 72 drives the sliding plate 73 to move toward the loading tray 63, so that the unloading suction cup 75 of the unloading cylinder 74 moves to the top of the printed workpiece, and the unloading cylinder 74 then uses the unloading suction cup 75 to take the printed workpiece out of the holding slot 631. After taking out the workpiece, the linear motor 72 drives the sliding plate 73 to move toward the drying component 8, and places the grasped workpiece on the drying component 8.

[0046] Embodiment 2;

[0047] The difference from the above embodiment is that the drying component 8 includes a support frame 81, an electric conveyor belt 82 and a drying channel 83. The support frame 81 is fixedly connected to the main body 1, and the electric conveyor belt 82 is fixedly installed on the support frame 81. One end of the electric conveyor belt 82 passes under the fixed frame 71 and extends to the bottom of the unloading cylinder 74. The other end of the electric conveyor belt 82 is fixedly installed with a drying channel 83, and an electric heating pipe 84 is fixedly installed in the drying channel 83.

[0048] Among them, the unloading component 7 places the printed workpiece onto the electric conveyor belt 82, and the rotating electric conveyor belt 82 drives the workpiece through the drying channel 83. During this process, the electric heating tube 84 in the drying channel 83 generates heat, quickly drying the ink on the workpiece, thereby completing the printing of the workpiece.

[0049] Embodiment 3;

[0050] The difference from the above embodiment is that two industrial cameras 9 are fixedly mounted on the main body 1 , and the two industrial cameras 9 are respectively located above the vibration plate 4 and the loading plate 63 .

[0051] Among them, the two industrial cameras 9 respectively identify the workpieces in the vibration plate 4 and the loading plate 63, so that the staff can view the printing status of the workpieces in real time. At the same time, the image information is transmitted to the robotic arm through electrical signals, so that the robotic arm can identify the workpiece facing forward and grab it.

[0052] The present invention also provides a surface printing process for swimming goggles, which uses a fully automatic printing device, and the specific steps are as follows:

[0053] First, pour the workpiece to be printed into the upper hopper 21 of the loading mechanism 2, and the workpiece in the upper hopper 21 falls into the lower hopper 3. During printing, the lower hopper 3 pours the workpiece into the vibrating plate 4 in batches. The vibrating plate 4 turns the workpiece upright by vibration. Then the manipulator 5 grabs the upright workpiece in the vibrating plate 4 and puts it into the holding slot 631. The loading plate 63 rotates to transport the workpiece in the holding slot 631 to the bottom of the pad printing device 61 for printing. At the same time, the manipulator 5 puts the next workpiece into another empty holding slot 631. After the workpiece is printed, the loading plate 63 rotates again to transport the printed workpiece to the unloading component 7. The unloading component 7 takes the workpiece out of the holding slot 631 and places it in the drying component 8 to dry the ink printed on the workpiece, thereby completing the printing of the workpiece.

[0054] Working principle: When in use, several workpieces to be printed are poured into the upper hopper 21, and several workpieces fall into the lower hopper 3 through the upper hopper 21. At this time, the driving plate 24 is located at one end of the support platform 22 close to the vibration plate 4, so that the lower hopper 3 and the vibration plate 4 are kept horizontal. When printing starts, the driving plate 24 moves toward the other end of the support platform 22. The driving plate 24 drives the connecting shaft 31 to rotate through the cooperation of the driving rack 25 and the driving gear 32, so that the connecting shaft 31 drives the lower hopper 3 to tilt toward the vibration plate 4. In this process, the tilted lower hopper 3 drives the driven gear 35 to move toward the lower end of the sector gear ring 28, and drives the rotating shaft 3 through the sector gear ring 28. 4 drives the baffle 33 to rotate upward, thereby opening the discharge end, so that the lower hopper 3 can pour the workpiece into the vibrating disk 4. After pouring out some workpieces, the driving plate 24 moves in the opposite direction and moves back to the end of the support platform 22 close to the vibrating disk 4. The driving plate 24 drives the connecting shaft 31 to rotate through the cooperation of the driving rack 25 and the driving gear 32, so that the connecting shaft 31 drives the lower hopper 3 to lift upward and keep it horizontal with the vibrating disk 4. In this process, the lifted lower hopper 3 drives the driven gear 35 to move toward the upper end of the sector gear ring 28, and the sector gear ring 28 drives the rotating shaft 34 to rotate the baffle 33 downward, thereby closing the discharge end and stopping the workpiece from being dumped into the vibrating disk 4.

[0055] Among them, the side of the workpiece to be printed is the front side, and the other side is the back side. When the workpiece is poured into the vibration plate 4, some of the workpieces will be in an inverted state, with the back side facing up, while the other part of the workpieces will be in an inverted state, and some workpieces will be stacked together. At this time, the vibration plate 4 will disperse the stacked workpieces by vibration, and turn the inverted workpieces over so that the front side of the workpiece faces up. Then the manipulator 5 will grab the workpiece facing up and place it in the hollow holding slot 631 in the loading tray 63. The loading tray 63 will then rotate to transfer the holding slot 631 containing the workpiece to the pad printing device 61. The pad printing device 61 will print ink onto the workpiece through the pad printing head. At the same time, the manipulator 5 will place the next workpiece into another empty holding slot 631. Then the loading tray 63 will rotate again to transfer the printed workpiece to the unloading assembly 7, and the next workpiece to be printed will be transferred to the pad printing device 61.

[0056] At this time, the linear motor 72 drives the sliding plate 73 to move toward the loading plate 63, so that the unloading suction cup 75 of the unloading cylinder 74 moves to the top of the printed workpiece, and the unloading cylinder 74 then takes the printed workpiece out of the holding tank 631 through the unloading suction cup 75. After taking the workpiece out, the linear motor 72 drives the sliding plate 73 to move toward the drying component 8, and places the grabbed workpiece on the electric conveyor belt 82. The rotating electric conveyor belt 82 drives the workpiece to pass through the drying channel 83. In this process, the electric heating tube in the drying channel 83 is 84 generates heat to quickly dry the ink on the workpiece, and the pad printing device 61 prints the next workpiece. At the same time, the robot 5 places a workpiece from the vibration plate 4 into the empty holding plate again. When the workpieces in the vibration plate 4 are about to be taken out, the driving plate 24 drives the lower hopper 3 to tilt again and add the workpieces to the vibration plate 4. After the workpieces are added, the driving plate 24 resets the tilted lower hopper 3 and returns it to a horizontal state, waiting for the next workpiece to be added to the vibration plate 4. The above steps are repeated until all the workpieces in this batch are printed.

[0057] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A fully automatic printing device, comprising a main body, characterized in that: The main body is provided with a loading mechanism, a printing mechanism, a unloading assembly and a drying assembly. The loading mechanism includes an upper hopper, a driving plate, a lower hopper, a vibrating plate and a manipulator. A support platform is installed under the upper hopper, the driving plate is installed on the support platform, a support rod is provided in the support platform, the lower hopper is connected to the support rod through a connecting shaft, the lower hopper is between the support platform and the upper hopper, the driving plate drives the connecting shaft to drive the lower hopper to tilt and pour the workpiece into the vibrating plate, and the vibrating plate vibrates to turn the workpiece over. The printing mechanism includes a pad printing device and a loading plate. The pad printing device prints the workpiece by taking ink from a pad printing head. The loading plate is installed below the pad printing device. A number of holding slots for holding workpieces are provided on the loading plate. The loading plate rotates to make the holding slots pass through the loading mechanism, the printing mechanism and the unloading assembly in turn. The manipulator and the unloading assembly are respectively arranged on both sides of the printing mechanism. The manipulator puts the workpiece turned over in the vibrating plate into the holding slot, and the unloading assembly puts the printed workpiece on the drying assembly for drying. The upper hopper is fixedly installed in the middle of the main body, and the two support platforms are symmetrically fixedly installed below the upper hopper. A slide groove is provided on each support platform, and the support rod is fixedly installed between the two support platforms. The bottoms of both sides of the driving plate are fixedly connected with sliders, and the driving plate is slidably installed in the slide groove through the sliders at the bottom. A driving rack is fixedly connected on both sides of the driving plate, and the side of the driving plate away from the vibrating disk is fixedly connected to the output shaft of the driving cylinder. The driving cylinder is located between the two support platforms and is fixedly installed at the bottom of the upper hopper; The outer side of the upper hopper is fixedly connected with a mounting frame, and a sector-shaped gear ring is fixedly installed on the mounting frame; The connecting shaft is fixedly connected to the bottom of the lower hopper, and the connecting shaft is rotatably installed on the upper end of the support rod. Both ends of the connecting shaft are coaxially fixedly connected with a driving gear, and the driving gear is engaged with a driving rack. The discharge end of the lower hopper extends above the vibrating plate. A baffle is provided on the discharge end of the lower hopper, and a rotating shaft is fixedly connected to the baffle. The baffle is rotatably installed on the lower hopper through the rotating shaft. Both ends of the rotating shaft pass through both sides of the lower hopper, and the end of the rotating shaft extending out of the lower hopper is coaxially fixedly connected with a driven gear, and the driven gear is engaged with the fan-shaped gear ring.

2. A fully automatic printing device according to claim 1, characterized in that: The vibration plate is fixedly installed on the main body, and the vibration plate is located between the upper hopper and the loading plate. The manipulator is fixedly installed on one side of the vibration plate, and a loading suction cup is fixedly installed on the manipulator.

3. A fully automatic printing device according to claim 1, characterized in that: A mounting base is fixedly installed on the pad printing device, and the mounting base is located below the pad printing head of the pad printing device. The loading plate is rotatably mounted on the mounting base, and a number of receiving slots are evenly distributed on the loading plate. A drive motor is also fixedly installed on the mounting base, and the output end of the drive motor cooperates with the loading plate. The drive motor is used to drive the loading plate to rotate on the mounting base.

4. A fully automatic printing device according to claim 1, characterized in that: The unloading assembly includes a fixed frame, which is fixedly mounted on the main body and located on the other side of the vibration plate. A linear motor is fixedly mounted on the fixed frame, and a sliding plate is assembled on the linear motor. The bottom side of the sliding plate is fixedly connected to a unloading cylinder, and the output end of the unloading cylinder is fixedly connected to a unloading suction cup.

5. A fully automatic printing device according to claim 4, characterized in that: The drying assembly includes a support frame, an electric conveyor belt and a drying channel. The support frame is fixedly connected to the main body, and the electric conveyor belt is fixedly installed on the support frame. One end of the electric conveyor belt passes under the fixed frame and extends to the bottom of the unloading cylinder. The drying channel is fixedly installed on the other end of the electric conveyor belt, and an electric heating pipe is fixedly installed in the drying channel.

6. A fully automatic printing device according to claim 1, characterized in that: Two industrial cameras are fixedly installed on the main body, and the two industrial cameras are respectively located above the vibration plate and the loading plate.

7. A process for printing the surface of swimming goggles, applied to a fully automatic printing device according to any one of claims 1 to 6, characterized in that: The specific steps include: First, pour the workpiece to be printed into the upper hopper of the loading mechanism, and the workpiece in the upper hopper falls into the lower hopper. During printing, the lower hopper pours the workpiece into the vibrating plate in batches. The vibrating plate turns the workpiece upright by vibration. Then the robot grabs the upright workpiece in the vibrating plate and puts it into the holding slot. The loading plate rotates to transport the workpiece in the holding slot to the bottom of the pad printing device for printing. At the same time, the robot puts the next workpiece into another empty holding slot. After the workpiece is printed, the loading plate rotates again to transport the printed workpiece to the unloading assembly. The unloading assembly takes the workpiece out of the holding slot and places it in the drying assembly to dry the ink printed on the workpiece, thereby completing the printing of the workpiece.

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