CN115991050A - IJP spraying equipment suitable for large-size panel and application method thereof - Google Patents

Abstract

The invention discloses IJP spraying equipment suitable for large-size panels and a use method thereof, wherein the IJP spraying equipment comprises a portal frame, a Fang Fangxing bracket, a PLC (programmable logic controller), a jig transferring assembly, a cleaning assembly, a detection assembly, a spray head transferring assembly and a curing assembly; the PLC controller is connected with each component serving as a control core; the jig transfer assembly comprises a rotary table and a jig assembly, and the jig assembly is arranged on the rotary table; the curing component is slidably mounted on the square bracket, and other components are mounted on the portal frame; the cleaning assembly comprises a cleaning spray head and a cleaning suction nozzle, and the detection assembly comprises a detection camera; the spray head transfer assembly comprises two groups of spray heads, a positioning camera and a pre-curing lamp, wherein the pre-curing lamp is arranged at the outer side of the spray heads; the curing assembly comprises a curing lamp, and the length of the curing lamp is greater than that of the jig assembly. The invention has high printing precision and printing efficiency, can print and pre-cure simultaneously, and prevents the situation of ink diffusion in earlier printing places.

Description

IJP spraying equipment suitable for large-size panel and application method thereof

Technical Field

The invention belongs to the technical field of OLED spraying, and particularly relates to IJP spraying equipment suitable for large-size panels and a using method thereof.

Background

With the development of modern information revolution, informatization processing, data analysis and the like have great influence on aspects of our life today, and large-size display technology plays an important role in a large number of data analysis and processing. At present, an OLED display screen has become one of the current mainstream display technologies, but is limited by an evaporation process, and although the OLED display screen is applied to the fields of small-size smart phones and the like, the OLED display screen is expensive in terms of large-size display, and is difficult to finish the manufacture of tricolor OLEDs, so that the current evaporation process is not suitable for manufacturing large-size panels. Ink jet printing has the unique advantage of being a good choice for large-scale panel manufacturing, so that the fabrication of OLED substrates is better accomplished by ink jet printing.

Although the large-sized panel only needs to be ink-jet printed on four sides thereof, the conventional ink-jet spraying apparatus for large-sized panels has several disadvantages as follows:

1. because the panel size is far larger than that of a common panel, the running distance of equipment is longer, and under the condition of higher equipment precision requirement and the same precision, the longer running distance can generate larger error, and the printing precision is low;

2. the operation efficiency is improved, and under the same printing condition, larger products need more printing time, so that the production efficiency is low;

3. if the size of the common ink-jet spraying equipment is increased, the precision and the efficiency can not meet the printing requirements; and because the panel size is bigger, the printing time is longer, after one panel is printed, the situation of ink diffusion can appear in the earlier printing place because of not solidifying in time.

Disclosure of Invention

The invention aims to provide IJP spraying equipment suitable for large-size panels and a use method thereof, which have high printing precision and printing efficiency, can print and pre-cure at the same time, and prevent the situation of ink diffusion in earlier printed places.

To achieve the above object, the solution of the present invention is: the IJP spraying equipment suitable for the large-size panel comprises a frame, a portal frame, a square bracket, a PLC (programmable logic controller), a jig transferring assembly, a cleaning assembly, a detection assembly, a spray head transferring assembly and a curing assembly;

the PLC is used as a control core of the spraying equipment and is in signal connection with the jig transferring assembly, the cleaning assembly, the detection assembly, the spray head transferring assembly and the curing assembly;

the portal frame and the square support are arranged on the frame along the y-axis direction, a first x-axis horse is arranged on the front surface of the portal frame, and a second x-axis horse is arranged on the back surface of the portal frame;

the jig transfer assembly comprises a y-axis horse, a rotary table and a jig assembly, wherein the y-axis horse is arranged on the base and is positioned below the portal frame and the square bracket, the rotary table is arranged on the right side of the y-axis, and the jig assembly is arranged on the rotary table;

the cleaning assembly comprises a cleaning spray head and a cleaning suction nozzle, wherein the cleaning spray head is arranged on the first x-axis immediately, and the cleaning suction nozzle is arranged on two sides of the cleaning spray head;

the detection assembly includes a detection camera mounted immediately adjacent to the first x-axis;

the spray head transfer assembly is provided with two groups which are all installed on the right side of the second x axis, and comprises a first z-axis module, an ink jet nozzle, a positioning camera and a pre-curing lamp, wherein the first z-axis module is installed on the right side of the second x axis, the ink jet nozzle and the positioning camera are both installed on the first z-axis module, and the pre-curing lamp is installed on the outer side of the ink jet nozzle;

the curing assembly comprises a curing lamp, the length of the curing lamp is larger than that of the jig assembly, an x-axis module and an x-axis guide rail are respectively arranged on two sides of the square support along the x-axis direction, and the curing lamp is in sliding connection with the x-axis module and the x-axis guide rail.

Further, the jig transfer assembly further comprises a marble base, the marble base is arranged on the frame, the y-axis horse is arranged on the marble base, and a height adjusting mechanism for adjusting the levelness of the marble base is arranged between the marble base and the frame; the height adjusting mechanism is an electric control jack, an electronic level meter is arranged on the marble platform, the electric control jack and the electronic level meter are connected with a PLC (programmable logic controller) in a signal mode, and the PLC receives deflection information of the marble base table surface sent by the electronic level meter to control the electric control jack to lift, so that the levelness of the marble base table surface is adjusted.

Further, the side of marble base is equipped with the metal sheet, the frame is equipped with the metal and is close to the limit around the marble base, the metal sheet is close to the limit locking with the metal and is fixed the marble base in the frame, be equipped with the adjusting screw on the metal is close to the limit, the lateral wall butt of adjusting screw and marble base.

Further, the tool subassembly includes tool bottom plate, tool board, tool bottom plate installs on the revolving stage, the tool board is installed on the tool bottom plate, be equipped with a plurality of height adjusting screw between tool bottom plate and the tool board, be equipped with the vacuum suction device in the tool board.

Further, the cleaning assembly may further comprise a second z-axis module mounted immediately adjacent the first x-axis, and the cleaning head may be mounted on the second z-axis module.

Further, the detection assembly further includes a third z-axis module mounted immediately adjacent the first x-axis, and the detection camera is mounted on the third z-axis module.

Further, the inkjet transfer assembly further comprises a rotating mechanism, the rotating mechanism is arranged on the first z-axis module, and the inkjet nozzle is arranged on the rotating mechanism.

Further, the curing assembly further comprises a connecting rod, the curing lamp is arranged on the connecting rod, and two ends of the connecting rod are respectively connected with the x-axis module and the x-axis guide rail in a sliding mode.

Further, still include the waste discharge subassembly, the waste discharge subassembly includes waste discharge base, waste discharge funnel, waste discharge suction nozzle and ink lid, waste discharge base is located the inkjet and moves subassembly one side, waste discharge funnel sets up on waste discharge base, waste discharge suction nozzle installs on waste discharge funnel, the ink lid is installed on waste discharge funnel.

A method of using an IJP spray apparatus suitable for large size panels comprising the steps of:

s1 feeding: manually placing the large-size panel on a jig plate, and opening a fixed panel by a vacuum suction device in the jig plate to finish feeding;

s2, cleaning: after the feeding is finished, the jig assembly carrying the panel moves to the lower part of the cleaning spray head through the y-axis horse, the cleaning spray head sequentially moves to the upper parts of two sides of the panel, and the two sides of the panel are cleaned by matching with the movement of the panel along the y-axis horse; when the cleaning spray head is used for cleaning, the suction nozzles on two sides of the cleaning spray head absorb substances sprayed by the cleaning spray head on the panel; after the cleaning is finished, the panel rotates 90 degrees through the rotary table, and the cleaning spray heads move to the positions above the other two sides of the panel to finish the cleaning of the other two sides;

s3, positioning: after cleaning, the jig assembly carrying the panel moves to the lower part of the ink-jet transfer assembly through the y-axis horse, the two positioning cameras respectively take photos and position four corners of the panel, and the rotating table drives the jig assembly to rotate according to the shooting result, so that the angle of the panel is adjusted, and positioning calibration is completed;

s4, printing: after the positioning is finished, the two ink jet nozzles respectively move to the positions above two sides of the panel, the two ink jet nozzles respectively perform ink jet printing on the two sides of the panel while the panel moves along the y axis, after the printing is finished, the panel rotates by 90 degrees through the rotary table, and the ink jet nozzles move to the positions above the other two sides of the panel, so that the printing on the other two sides is finished; the method comprises the steps that when an ink jet nozzle prints, a pre-curing lamp pre-cures a place where the panel ink jet nozzle prints;

s5, curing: after printing, the jig assembly carrying the panel moves to the position right below the square bracket through the y-axis horse, the panel is kept still, the curing lamp moves along the x-axis direction through the x-axis module and the x-axis guide rail on the square bracket, and the whole panel is irradiated and cured;

s6, detection: after solidification is completed, the jig assembly carrying the panel moves to the lower part of the detection camera through the y-axis horse, the detection camera sequentially moves to the upper parts of two sides of the panel, and the two sides of the panel are scanned while the panel moves along the y-axis horse in cooperation, so that the spraying condition is judged; after the scanning is finished, the panel rotates by 90 degrees through the rotary table, and the detection cameras move to the positions above the other two sides of the panel to finish the scanning detection of the other two sides;

s7, blanking: after the detection panel is printed to be qualified, the jig assembly bearing the panel moves back to the feeding position through the y-axis horse, the vacuum suction device in the jig plate is closed, the panel is manually taken down, and the blanking is completed.

After the scheme is adopted, the beneficial effects of the invention are as follows:

1. the invention is provided with two positioning cameras which respectively shoot and position the two corners of the panel at the same time, and the rotating table adjusts the angle of the panel according to the shooting result of the positioning cameras to perform positioning calibration, so that the two ink jet nozzles can respectively and accurately aim at the two sides of the panel, thereby realizing accurate printing and improving the printing precision.

2. The invention has high production efficiency, is provided with two positioning cameras and two ink jet nozzles, the positioning cameras have larger depth of field range, and can also adjust the height of the positioning cameras according to the change of the size of the panel by moving the first z-axis module up and down, so that the depth of field range of the two positioning cameras can cover four corners of the panel, and the four corners of the panel can be quickly photographed and positioned, thereby realizing quick positioning; the two ink jet nozzles can print two edges of a product at the same time, so that the printing time is greatly saved, and the printing speed is improved; in addition, the length of the curing lamp is larger than that of the jig assembly, namely the length of the panel, when the panel moves to the position right below the square bracket for curing, the panel does not move, the curing lamp can move above the panel along the x axis through the x-axis module and the x-axis guide rail on the square bracket, the curing of the whole panel can be completed, the curing lamp is light in weight and high in moving speed, and the production efficiency can be further improved.

3. The ink-jet head is provided with the pre-curing lamp, the panel is pre-cured by starting the pre-curing lamp when the ink-jet head prints the panel, the printing and curing are realized, and the situation that the ink is diffused due to the fact that the product is too large and the spraying time is too long and the earlier printed part on the panel is not cured in time is prevented.

Drawings

FIG. 1 is a schematic diagram of the whole machine of the present invention;

FIG. 2 is a schematic diagram of the whole machine of the present invention;

FIG. 3 is a schematic diagram of the whole machine of the present invention;

FIG. 4 is a schematic diagram of the whole machine of the present invention;

FIG. 5 is a schematic diagram of a fixture transfer assembly according to the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 2 at A;

FIG. 7 is a schematic view of the structure of the curing assembly of the present invention mounted on a square bracket;

FIG. 8 is a schematic diagram of the construction of the waste discharge assembly and the ink viewing assembly of the present invention;

FIG. 9 is an enlarged view of a portion of FIG. 4 at B;

FIG. 10 is a block diagram of a process for adjusting the levelness of a marble base according to the present invention;

fig. 11 is a schematic diagram showing the simulation of the adjustment of the levelness of the marble base of the present invention.

Description of the reference numerals:

1. a frame; 2. a portal frame; 21. a first x-axis horse; 22. a second x-axis horse; 3. a square bracket; 31. an x-axis module; 32. an x-axis guide rail; 4. the jig is transferred to the assembly; 41. a y-axis horse; 42. a rotary table; 43. a jig assembly; 431. a jig bottom plate; 432. a jig plate; 433. a height adjusting screw; 44. a marble base; 45. an electric control jack; 46. an electronic level; 47. a metal plate; 48. metal leaning edges; 5. a detection assembly; 51. detecting a camera; 52. a third z-axis module; 6. a spray head transfer assembly; 61. a first z-axis module; 62. an inkjet head; 63. positioning a camera; 64. a pre-curing lamp; 7. curing the assembly; 71. a curing light; 72. a connecting rod; 8. a waste discharging component; 81. a waste discharge base; 82. a waste discharge hopper; 83. an ink cap; 9. an ink viewing assembly; 91. an ink viewing camera; 92. a light source; 93. and installing and adjusting the base.

Detailed Description

The invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The invention provides IJP spraying equipment suitable for large-size panels, which is shown in fig. 1 to 5 and comprises a frame 1, a portal frame 2, a square bracket 3, a PLC (not shown in the figure), a jig transferring component 4, a cleaning component, a detecting component 5, a spray head transferring component 6 and a curing component 7.

The PLC is used as a control core of the spraying equipment and is in signal connection with the jig transferring assembly 4, the cleaning assembly, the detecting assembly 5, the spray head transferring assembly 6 and the curing assembly 7.

The portal frame 2 and the square support 3 are arranged on the frame 1 along the y-axis direction, a first x-axis horse 21 is arranged on the front surface of the portal frame 2, a second x-axis horse 22 is arranged on the back surface of the portal frame, and an x-axis module 31 and an x-axis guide rail 32 are respectively arranged on two sides of the square support 3 along the x-axis direction.

As shown in fig. 1 and 5, the jig transfer assembly 4 includes a y-axis horse 41, a rotary table 42, and a jig assembly 43, where the y-axis horse 41 is disposed on the base and located below the gantry 2 and the square support 3 and penetrates through the frame 1 along the y-axis direction, the rotary table 42 is mounted on the y-axis horse 41, the jig assembly 43 is mounted on the rotary table 42, the jig assembly 43 is used to bear a panel, and the rotary table 42 drives the jig assembly 43 to rotate so as to drive the panel to horizontally rotate.

The rotary table 42 is preferably a direct drive motor, i.e., a DD motor, and has a large torque, and can output a large torque at a low speed, and is directly connected to a load without a reduction mechanism, i.e., without a connection mechanism such as a speed reducer, a gear, and a pulley, so that the jig assembly 43 can be directly mounted on the direct drive motor, thereby reducing positioning errors caused by the connection mechanism, and more precisely adjusting the angle of the panel to realize precise ink jet.

The jig assembly 43 comprises a jig bottom plate 431 and a jig plate 432, wherein the jig bottom plate 431 is arranged on the rotary table 42, the jig plate 432 is arranged on the jig bottom plate 431, a plurality of height adjusting screws 433 are arranged between the jig bottom plate 431 and the jig plate 432, the height of a panel can be adjusted by the height adjusting screws 433, a vacuum suction device is arranged in the jig plate 432, and the vacuum suction device is used for fixing the panel on the jig plate 432.

As shown in fig. 1 and 5, the jig transfer assembly 4 further includes a marble base 44, the marble base 44 is mounted on the frame 1, the y-axis motor 41 is mounted on the marble base 44, and the marble base 44 has flat surface, good stability, high strength, high hardness, no magnetic reaction, and high precision under heavy load. Before the whole equipment operates, the equipment can be transported for a long distance, and in the transportation process, the marble base 44 can deviate relative to the frame 1, so that the table top of the marble base 44 is uneven, and the printing precision of the panel can be affected; and because the weight of the marble base 44 and the panel is large, the machine can cause mechanical fatigue of the frame 1 when the equipment runs for a long time, the position of part of the frame 1 can be sunken, and the flatness of the table top of the marble base 44 can be affected, so that a height adjusting mechanism is required to be arranged between the marble base 44 and the frame 1 to adjust the flatness of the table top of the marble base 44.

As shown in fig. 10 and 11, since the marble base 44 has a large weight, it can be adjusted by using a jack, which may be a general hydraulic jack requiring manual adjustment or an automatically adjustable electric control jack 45; when the electric control jack 45 is adopted for adjustment, an electronic level meter 46 can be arranged on the marble base 44, and the electric control jack 45 and the electronic level meter 46 are in signal connection with the PLC; the electric control jacks 45 are provided with a plurality of electric control jacks 45 which are distributed between the marble base 44 and the frame 1 in a matrix manner, as shown in fig. 11, taking four electric control jacks 45 in the marble length direction as an example, the leveling process of the marble base 44 is as follows: the PLC controller controls the electric control jacks 45 to initialize, so that each electric control jack 45 returns to an original point, the marble base 44 is at an initial position, the electronic level meter 46 outputs the information of the deflection direction and the deflection angle of the current marble base table surface to the PLC controller, if the left end of the marble base 44 in the length direction is high and the right end of the marble base 44 is low, the deflection angle of the marble base 44 table surface is alpha, the first jack, the second jack, the third jack and the fourth jack are distributed from left to right in the length direction of the marble, the leftmost end of the first jack is the highest point of the marble base 44, the PLC controller records the distance between the first jack and other jacks as Ln, the highest point is taken as a base point, the PLC controller controls the first jack to be motionless, and controls the second jack, the third jack and the fourth jack to jack upwards, the height h=tan alpha×Ln of each electric control jack 45 is compensated, and the angle of the electronic level meter 46 is converted into the expansion and contraction quantity of the electric control jack 45; when each of the electrically controlled jacks 45 is extended in place, the PLC controller again determines whether the real-time input information of the electronic level 46 is to level the marble base 44, and if not, repeats the above operations to form a closed loop. In addition, the PLC controller for controlling the electric control jack 45 may be a PLC controller for controlling the operation of the entire spraying apparatus, or another PLC controller may be separately provided to control the electric control jack 45.

Besides the problem of levelness of the marble base 44, the position of the marble base 44 in the x-axis direction can also deviate, a metal plate 47 can be arranged on the side edge of the marble base 44, a vertical metal leaning edge 48 is arranged on the periphery of the marble base 44 of the machine frame 1, a locking device is arranged on the metal plate 47 and is connected with the metal leaning edge 48 through the locking device, an adjusting screw is arranged on the metal leaning edge 48, the adjusting screw is abutted with the side wall of the marble base 44, the rotating adjusting screw can push the marble base 44 to move along the x-axis direction, so that the position of the marble base 44 in the x-axis direction is adjusted, after the adjustment is finished, the metal plate 47 and the metal leaning edge 48 on the side edge of the marble are locked together, and the marble base 44 can be fixed on the machine frame 1.

As shown in fig. 4 and 9, the detecting assembly 5 includes a detecting camera 51 and a third z-axis module 52, the third z-axis module 52 is mounted on the first x-axis motor 21, the detecting camera 51 is mounted on the third z-axis module 52, the detecting camera 51 can move along the x-axis direction through the first x-axis motor 21, and the four sides of the printed panel can be sequentially detected, so as to detect whether the printed panel is qualified or not; the detection camera 51 can also adjust the distance between the detection camera and the panel through the third x-axis module 31, so as to meet the detection of panels with different thicknesses. The detection camera 51 is preferably an AOI detection camera, and has high detection speed and high detection accuracy.

The cleaning component comprises a cleaning spray head, a cleaning suction nozzle and a second z-axis module, the second z-axis module is arranged on the first x-axis horse 21, the cleaning spray head is arranged on the second z-axis module, the cleaning suction nozzle is arranged on two sides of the cleaning spray head, the cleaning component is not shown in the figure, the cleaning component and the detecting component 5 are arranged on the first x-axis immediately side by side, the specific installation position can refer to the detecting component 5, the cleaning spray head can move along the x-axis direction through the first x-axis horse 21 and sequentially clean four sides of a panel, the suction nozzle can absorb dirt sprayed by the cleaning spray head on the panel, and the cleaning spray head can further adjust the distance between the cleaning spray head and the panel through the second z-axis module so as to clean the panels with different thicknesses. The cleaning spray head is preferably a plasma spray head, namely a plasma cleaning spray head, the surface of the panel is bombarded by high-speed plasma through spraying to achieve the cleaning purpose, and the cleaning spray head has the advantages of being high in cleaning efficiency, free of drying treatment after cleaning, and capable of cleaning products in any shape.

The first x-axis horse 21 is a double-motor line horse, and the cleaning assembly and the detecting assembly 5 are mounted on different movers of the first x-axis module 31, and can move respectively without affecting each other.

As shown in fig. 2 and 6, the nozzle transfer assembly 6 is provided with two groups, which are both mounted on the second x-axis horse 22, the nozzle transfer assembly 6 includes a first z-axis module 61, an inkjet nozzle 62, a positioning camera 63, and a pre-curing lamp 64, the first z-axis module 61 is mounted on the second x-axis horse 22, the inkjet nozzle 62 and the positioning camera 63 are both mounted on the first z-axis module 61, and the pre-curing lamp 64 is mounted outside the inkjet nozzle 62. The two positioning cameras 63 are preferably CCD cameras, can sense light, one positioning camera 63 can photograph two corners, the two positioning cameras 63 can photograph four corners of the panel respectively, and convert photographed images into digital signals to be sent to the PLC, the PLC controls the rotary table 42 to adjust the angle of the panel according to photographing results, so that the two inkjet nozzles 62 are convenient to align with two sides of the panel, and the inkjet nozzles 62 can sequentially perform inkjet printing on four sides of the panel, so that printing precision is improved. When the ink jet nozzle 62 prints the panel, the pre-curing lamp 64 on the ink jet nozzle 62 simultaneously pre-cures the panel, so that the printing and curing are realized, and the situation that the ink is spread on the earlier printed part of the panel because the earlier printed part is not cured in time because the product is oversized and the spraying time is overlong is prevented. For panels with different thicknesses, the inkjet head 62 and the positioning camera 63 can move up and down through the first z-axis module 61 to adjust the distance between the inkjet head and the panel according to the requirement, so that the printing precision is improved. The positioning camera 63 is further provided with a height measurement sensor (not shown in the figure), and when the height of the product is changed, the height measurement sensor senses the change information of the height of the panel, and then transmits the information to the PLC controller, and the PLC controller controls the inkjet head 62 to move up and down so as to adjust the distance between the inkjet head 62 and the panel.

Each group of the ink-jet transfer components 6 is provided with two first z-axis modules 61, and the ink-jet nozzles 62 and the positioning cameras 63 are arranged on different first z-axis modules 61, so that the heights of the first z-axis modules can be independently adjusted, and the risk of collision during the movement of the z-axis is reduced. The ink jet transfer assembly further comprises a rotating mechanism, the rotating mechanism is arranged on the first z-axis module 61, the ink jet nozzle 62 is arranged on the rotating mechanism (not shown in the figure), and the rotating mechanism can drive the ink jet nozzle 62 to rotate, so that the angle of the ink jet nozzle 62 is adjusted, and the ink jet width of the ink jet nozzle 62 is adjusted.

As shown in fig. 3 and 7, the curing assembly 7 includes a curing lamp 71, two sides of the square bracket 3 along the x-axis direction are respectively provided with an x-axis module 31 and an x-axis guide rail 32, the curing lamp 71 is slidably connected with the x-axis module 31 and the x-axis guide rail 32 on two sides of the square bracket 3, specifically, the curing lamp 71 is connected with the connecting rod 72 through a connecting rod 72, two ends of the connecting rod 72 are slidably connected with the x-axis module 31 and the x-axis guide rail 32, the length of the curing lamp 71 is greater than the length of the jig assembly 43, that is, the length of the curing lamp 71 is greater than the length of the jig plate 432, when the panel is moved to the curing station after printing, that is, when the panel is moved to the right under the square bracket 3, the curing lamp 71 can cure the whole panel along the x-axis direction through the movement of the x-axis module 31 and the x-axis guide rail 32, the panel does not move, the curing lamp 71 is light in mass, the moving speed is fast, and the curing speed is high. The curing lamp 71 is preferably a UV curing lamp 71, which has a long life, can be instantly lighted, has stable light output, has a good uniform irradiation effect, and has high curing efficiency.

The gantry 2 is preferably a marble gantry 2, the curing lamp 71 slowly moves along the y-axis direction through the x-axis module 31 and the x-axis guide rail 32, the operation of each component on the gantry 2 is not affected, and the service life is long; the square bracket 3 is made of square steel, so that materials can be saved, and the cost can be reduced.

As shown in fig. 8, the present invention further includes a waste discharging assembly 8, the waste discharging assembly 8 includes a waste discharging base 81, a waste discharging funnel 82, a waste discharging nozzle and an ink cap 83, the waste discharging base 81 is located at one side of the ink jet transfer assembly, the waste discharging funnel 82 is disposed on the waste discharging base 81, the waste discharging nozzle is mounted on the waste discharging funnel 82, and the ink cap 83 is mounted on the waste discharging funnel 82. The ink cap 83 is typically not installed while the inkjet head 62 is in operation; in the gap of the ink jet head 62 waiting for printing, the ink jet head 62 can be debugged, the ink jet head 62 is moved to the waste discharge hopper 82 for ink jet, and then moved to the side of the waste discharge suction nozzle, the waste discharge suction nozzle sucks the residual ink on the ink jet head 62, and the debugging of the ink jet head 62 is completed; when the ink jet head 62 is stopped, the ink cap 83 is mounted on the waste discharge hopper 82, and the ink jet head 62 moves downward to cap the ink opening on the ink jet head 62 with the ink cap 83, so that the ink jet head 62 can be protected, and the ink opening of the ink jet head 62 is prevented from being blocked due to long-term contact with air.

As shown in fig. 8, the invention further includes an ink observing assembly 9, the ink observing assembly 9 includes a mounting adjustment base 93 and an ink observing instrument, the mounting adjustment base 93 is rotatably mounted on the waste discharge base 81, the two mounting adjustment bases 93 are provided, the ink observing instrument includes an ink observing camera 91 and a light source 92, the ink observing camera 91 and the light source 92 are respectively and relatively mounted on the two mounting adjustment bases 93, the mounting adjustment base 93 is rotatable, the ink observing camera 91 and the light source 92 can rotate along with the mounting adjustment base 93, so as to adjust the focal length, and observe the condition of the ink jet nozzle 62 for jetting ink on the waste discharge funnel 82 during standby, thereby completing debugging. The ink observing component 9 and the waste discharging component 8 can share a base, and waste liquid generated by the ink jet head 62 can be directly dripped on the waste discharging funnel 82 during ink observation. After the debugging is finished, the ink observing assembly 9 can be quickly detached and placed aside, so that the equipment width and the space are saved.

The invention also comprises an ink path system, which comprises an ink supply system and an air path loop system, wherein the ink supply system and the air path loop system are connected with the ink jet head 62, so as to supply ink and pressure for the ink jet head 62 and ensure stable ink jet of the ink jet head 62.

The invention also provides a use method of the IJP spraying equipment suitable for the large-size panel, which comprises the following steps:

s1 feeding: manually placing the large-size panel on a jig plate 432, and opening a fixed panel by a vacuum suction device in the jig plate 432 to finish feeding;

s2, cleaning: after the feeding is completed, the jig assembly 43 carrying the panel is moved to the lower part of the cleaning spray head through the y-axis horse 41, the cleaning spray head is sequentially moved to the upper parts of two sides of the panel, and the two sides of the panel are cleaned by being matched with the movement of the panel along the y-axis horse 41; when the cleaning spray head is used for cleaning, the suction nozzles on two sides of the cleaning spray head absorb dirt sprayed by the cleaning spray head on the panel; after the panel is washed, the panel is rotated by 90 degrees through the rotary table 42, and the cleaning spray heads are moved above the other two sides of the panel to finish the washing of the other two sides;

s3, positioning: after cleaning, the jig assembly 43 carrying the panel moves to the lower part of the ink-jet transfer assembly 6 through the y-axis horse 41, the two positioning cameras 63 respectively take photos and position the four corners of the panel, and the rotating table 42 drives the jig assembly 43 to rotate according to the shooting result, so that the angle of the panel is adjusted, and positioning calibration is completed;

s4, printing: after the positioning is finished, the two ink jet nozzles 62 are respectively moved above two sides of the panel, the two ink jet nozzles 62 respectively perform ink jet printing on two sides of the panel while the panel is moved along the y-axis horse 41, and after the printing is finished, the panel is rotated by 90 degrees through the rotary table 42, the ink jet nozzles 62 are moved above the other two sides of the panel, and the printing on the other two sides is finished; while the inkjet head 62 is printing, the pre-curing lamp 64 performs pre-curing of the printed area of the panel inkjet head 62, and performs pre-curing while printing;

s5, curing: after printing, the jig assembly 43 carrying the panel is moved to the position right below the square support 3 through the y-axis horse 41, namely, the position right below the center of the square support 3, the panel is kept still, and the curing lamp 71 is moved along the x-axis direction through the x-axis module 31 and the x-axis guide rail 32 on the square support 3, so that the whole panel is irradiated and cured;

s6, detection: after the solidification is finished, the jig assembly 43 carrying the panel reversely moves to the lower part of the detection camera 51 through the y-axis horse 41, the detection camera 51 sequentially moves to the upper parts of two sides of the panel, the two sides of the panel are scanned while the panel moves along the y-axis horse 41, the spraying condition is judged, after the scanning is finished, the panel rotates by 90 degrees through the rotary table 42, the detection camera 51 moves to the upper parts of the other two sides of the panel, and the scanning detection of the other two sides is finished;

s7, blanking: after the detection panel is printed to be qualified, the jig assembly 43 carrying the panel moves back to the loading position through the y-axis motor 41, the vacuum suction device in the jig plate 432 is closed, the panel is manually taken down, and unloading is completed.

The above embodiments are only preferred embodiments of the present invention, and are not limited to the present invention, and all equivalent changes made according to the design key of the present invention fall within the protection scope of the present invention.

Claims (10)

1. IJP spraying equipment suitable for jumbo size panel, its characterized in that: the device comprises a frame, a portal frame, a square bracket, a PLC controller, a jig transferring assembly, a cleaning assembly, a detection assembly, a spray head transferring assembly and a curing assembly;

the PLC is used as a control core of the spraying equipment and is in signal connection with the jig transferring assembly, the cleaning assembly, the detection assembly, the spray head transferring assembly and the curing assembly;

the portal frame and the square support are arranged on the frame along the y-axis direction, a first x-axis horse is arranged on the front surface of the portal frame, and a second x-axis horse is arranged on the back surface of the portal frame;

the jig transfer assembly comprises a y-axis horse, a rotary table and a jig assembly, wherein the y-axis horse is arranged on the base and is positioned below the portal frame and the square bracket, the rotary table is arranged on the right side of the y-axis, and the jig assembly is arranged on the rotary table;

the cleaning assembly comprises a cleaning spray head and a cleaning suction nozzle, wherein the cleaning spray head is arranged on the first x-axis immediately, and the cleaning suction nozzle is arranged on two sides of the cleaning spray head;

the detection assembly includes a detection camera mounted immediately adjacent to the first x-axis;

the spray head transfer assembly is provided with two groups which are all installed on the right side of the second x axis, and comprises a first z-axis module, an ink jet nozzle, a positioning camera and a pre-curing lamp, wherein the first z-axis module is installed on the right side of the second x axis, the ink jet nozzle and the positioning camera are both installed on the first z-axis module, and the pre-curing lamp is installed on the outer side of the ink jet nozzle;

the curing assembly comprises a curing lamp, the length of the curing lamp is larger than that of the jig assembly, an x-axis module and an x-axis guide rail are respectively arranged on two sides of the square support along the x-axis direction, and the curing lamp is in sliding connection with the x-axis module and the x-axis guide rail.

2. An IJP spraying apparatus for large-sized panels as claimed in claim 1, wherein: the jig transfer assembly further comprises a marble base, the marble base is arranged on the frame, the y-axis horse is arranged on the marble base, and a height adjusting mechanism for adjusting the levelness of the marble base is arranged between the marble base and the frame; the height adjusting mechanism is an electric control jack, an electronic level meter is arranged on the marble platform, the electric control jack and the electronic level meter are connected with a PLC (programmable logic controller) in a signal mode, and the PLC receives deflection information of the marble base table surface sent by the electronic level meter to control the electric control jack to lift, so that the levelness of the marble base table surface is adjusted.

3. An IJP spraying apparatus for large-sized panels as claimed in claim 2, characterized in that: the side of marble base is equipped with the metal sheet, the frame is equipped with the metal and is close to the limit around the marble base, the metal sheet is close to the limit with the metal and is locked and fix the marble base in the frame, be equipped with adjusting screw on the metal and close to the limit, adjusting screw and the lateral wall butt of marble base.

4. An IJP spraying apparatus for large-sized panels as claimed in claim 1, wherein: the jig assembly comprises a jig bottom plate and a jig plate, wherein the jig bottom plate is arranged on the rotary table, the jig plate is arranged on the jig bottom plate, a plurality of height adjusting screws are arranged between the jig bottom plate and the jig plate, and a vacuum suction device is arranged in the jig plate.

5. An IJP spraying apparatus for large-sized panels as claimed in claim 1, wherein: the cleaning assembly further includes a second z-axis module mounted immediately adjacent the first x-axis, and the cleaning head is mounted on the second z-axis module.

6. An IJP spraying apparatus for large-sized panels as claimed in claim 1, wherein: the detection assembly further includes a third z-axis module mounted immediately adjacent the first x-axis, and the detection camera is mounted on the third z-axis module.

7. An IJP spraying apparatus for large-sized panels as claimed in claim 1, wherein: the ink jet transfer assembly further comprises a rotating mechanism, the rotating mechanism is arranged on the first z-axis module, and the ink jet nozzle is arranged on the rotating mechanism.

8. An IJP spraying apparatus for large-sized panels as claimed in claim 1, wherein: the curing assembly further comprises a connecting rod, the curing lamp is arranged on the connecting rod, and two ends of the connecting rod are respectively connected with the x-axis module and the x-axis guide rail in a sliding mode.

9. An IJP spraying apparatus for large-sized panels as claimed in claim 1, wherein: the ink jet printing device comprises an ink jet transfer component, and is characterized by further comprising a waste discharge component, wherein the waste discharge component comprises a waste discharge base, a waste discharge funnel, a waste discharge suction nozzle and an ink cover, the waste discharge base is positioned on one side of the ink jet transfer component, the waste discharge funnel is arranged on the waste discharge base, the waste discharge suction nozzle is arranged on the waste discharge funnel, and the ink cover is arranged on the waste discharge funnel.

10. A method of using an IJP spray apparatus for large size panels as claimed in any one of claims 1 to 9 wherein: the method comprises the following steps:

s1 feeding: manually placing the large-size panel on a jig plate, and opening a fixed panel by a vacuum suction device in the jig plate to finish feeding;

s2, cleaning: after the feeding is finished, the jig assembly carrying the panel moves to the lower part of the cleaning spray head through the y-axis horse, the cleaning spray head sequentially moves to the upper parts of two sides of the panel, and the two sides of the panel are cleaned by matching with the movement of the panel along the y-axis horse; when the cleaning spray head is used for cleaning, the suction nozzles on two sides of the cleaning spray head absorb substances sprayed by the cleaning spray head on the panel; after the cleaning is finished, the panel rotates 90 degrees through the rotary table, and the cleaning spray heads move to the positions above the other two sides of the panel to finish the cleaning of the other two sides;

s3, positioning: after cleaning, the jig assembly carrying the panel moves to the lower part of the ink-jet transfer assembly through the y-axis horse, the two positioning cameras respectively take photos and position four corners of the panel, and the rotating table drives the jig assembly to rotate according to the shooting result, so that the angle of the panel is adjusted, and positioning calibration is completed;

s4, printing: after the positioning is finished, the two ink jet nozzles respectively move to the positions above two sides of the panel, the two ink jet nozzles respectively perform ink jet printing on the two sides of the panel while the panel moves along the y axis, after the printing is finished, the panel rotates by 90 degrees through the rotary table, and the ink jet nozzles move to the positions above the other two sides of the panel, so that the printing on the other two sides is finished; the method comprises the steps that when an ink jet nozzle prints, a pre-curing lamp pre-cures a place where the panel ink jet nozzle prints;

s5, curing: after printing, the jig assembly carrying the panel moves to the position right below the square bracket through the y-axis horse, the panel is kept still, the curing lamp moves along the x-axis direction through the x-axis module and the x-axis guide rail on the square bracket, and the whole panel is irradiated and cured;

s6, detection: after solidification is completed, the jig assembly carrying the panel moves to the lower part of the detection camera through the y-axis horse, the detection camera sequentially moves to the upper parts of two sides of the panel, and the two sides of the panel are scanned while the panel moves along the y-axis horse in cooperation, so that the spraying condition is judged; after the scanning is finished, the panel rotates by 90 degrees through the rotary table, and the detection cameras move to the positions above the other two sides of the panel to finish the scanning detection of the other two sides;

s7, blanking: after the detection panel is printed to be qualified, the jig assembly bearing the panel moves back to the feeding position through the y-axis horse, the vacuum suction device in the jig plate is closed, the panel is manually taken down, and the blanking is completed.

Images