Three-dimensional graph painting device

Abstract

The utility model belongs to the technical field of jet drawing, and particularly relates to a three-dimensional graph jet drawing device, which comprises a base, a control system, a moving system connected with the control system and a jet drawing system, and the jet drawing system is connected with the moving system and comprises a visual detection unit, an air supply mechanism, a plurality of groups of ink supply mechanisms and a nozzle. The inkjet system has the functions of automatic positioning and automatic distance measurement, can automatically identify the position and graphic information of a graphic to be inkjet, feeds the information back to the control system in real time for analysis and comparison, and then the control system transmits an inkjet instruction to realize automatic inkjet operation; besides, the inkjet system has the functions of automatically detecting the remaining amount of ink and automatically adding the ink, the nozzles can be independently lifted, and the heights of the different nozzles can be controlled and adjusted according to different height fluctuations of the three-dimensional graphs, so that the inkjet system can adapt to different three-dimensional graphs, the inkjet effect and efficiency are effectively improved, and the application range is wide. And the problem of low color rendition degree of painting is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of inkjet printing, and in particular relates to a three-dimensional graphic inkjet printing device. Background Art

[0002] Inkjet printing is the process of printing large-format color advertising images on a special PVC substrate using digital piezoelectric technology. It can enlarge flat images to meet the needs of different sizes. Inkjet printing has the advantages of making advertising pages vivid, lifelike, simple to operate, and convenient to produce. With the rapid development of electronic technology, computer inkjet printing has completely replaced the manual drawing of the past, making advertising images realistic and colorful, and greatly enhancing the visual impact and value of outdoor advertising, creating favorable conditions for the rapid development of outdoor advertising in recent years.

[0003] In addition, with the maturity of computer 3D technology and the development of flat printing, more and more three-dimensional printing needs have emerged, so the development of three-dimensional printing technology has become a new direction for printing devices. However, the current three-dimensional printing devices still have problems such as low color reproduction and low printing efficiency. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the utility model provides a three-dimensional inkjet printing device, which solves the problems of low color reproduction and low inkjet printing efficiency of the existing three-dimensional inkjet printing devices.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] Provided is a three-dimensional graphic printing device, comprising a base, a control system, a mobile system connected to the control system and a printing system, wherein the printing system is connected to the mobile system and comprises a visual detection unit, an air supply mechanism, a plurality of ink supply mechanisms and a nozzle connected to the ink supply mechanism;

[0007] The multiple ink supply mechanisms include an ink supply barrel arranged inside the base and an ink storage box connected to the ink supply barrel, a liquid supply pump is arranged between the ink supply barrel and the ink storage box, a control valve is arranged between the ink storage box and the nozzle, a liquid level meter is arranged inside, and the liquid level meter and the control valve are connected to the control system;

[0008] The gas supply mechanism comprises a gas making machine, and the gas making machine is connected with the ink storage box.

[0009] The beneficial effects of adopting the above technical solution are as follows: through the mobile system and the inkjet printing system connected to the control system, the inkjet printing system has the functions of automatic positioning and automatic distance measurement under the coordinated action of the mobile system, the visual detection unit can automatically identify the position and graphic information of the graphics to be printed on the base, and feed back the information to the control system in real time, the control system analyzes the collected information and compares it with the input information, and transmits the inkjet printing instruction to the ink supply cartridge, under the lifting action of the liquid supply pump, the ink in the ink supply cartridge can be transported to the ink storage cartridge through the ink supply pipe, and the liquid level gauge in the ink storage cartridge can detect the ink level in real time, It has the function of automatically detecting the remaining ink and automatically adding ink through the control system, which effectively improves the inkjet printing efficiency. Then the inkjet printing starts through the nozzle. The control valve between the nozzle and the ink storage cartridge can control the start and stop of the inkjet printing system, and the control valve can control the mode flow of the ink storage cartridge to meet the insufficient inkjet printing demand. The gas generator can generate gas and transport it to the ink storage cartridge, ensuring the ink output stability of the ink storage cartridge. In addition, the inkjet printing device has multiple groups of ink supply mechanisms and multiple groups of nozzles. Different ink supply mechanisms and numbers of nozzles can be selected according to the inkjet printing needs, which can effectively improve the inkjet printing efficiency and inkjet printing effect.

[0010] Furthermore, a stirrer is arranged at the top of the ink supply barrel.

[0011] The beneficial effects of adopting the above technical solution are: the agitator can stir the ink in the ink supply barrel, making the ink more uniform and avoiding ink solidification, so as to improve the ink supply rate of the inkjet printing system, thereby improving the color reproduction and printing efficiency of the inkjet printing.

[0012] Furthermore, a first lifting unit is arranged at the top of the ink storage box, and the first lifting unit includes a fixed plate, a rack arranged on the fixed plate and a third slide rail, a limit block is arranged at the end of the rack, and the limit block is connected to the third slide rail.

[0013] The beneficial effects of adopting the above technical solution are as follows: the first lifting unit arranged at the top of the ink storage cartridge can control the independent lifting of the nozzle in the inkjet printing system, and can control and adjust different nozzle heights according to the different height fluctuations of the three-dimensional graphics, so that the inkjet printing system can adapt to different three-dimensional graphics for inkjet printing, effectively improving the inkjet printing effect and efficiency, avoiding the problem of low inkjet color reproduction, and the first lifting unit utilizes the cooperation of the rack and the slide rail, which has a simple structure and ensures the accuracy of the lifting height of the nozzle.

[0014] Furthermore, the moving system includes an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism. The Y-axis moving mechanism is arranged in parallel on both sides of the base, including a first drive motor, a Y-axis transmission assembly, a Y-axis moving assembly, a first moving seat arranged in the middle of the Y-axis moving assembly, and a first fixed base arranged at both ends of the Y-axis moving assembly. One end of the first fixed base is connected to the first drive motor, and the Y-axis moving assembly includes a first lead screw and a first slide rail arranged on both sides of the first lead screw.

[0015] The beneficial effects of adopting the above technical solution are as follows: the moving system can control the movement of the inkjet printing system in the X, Y and Z directions through the X-axis moving mechanism, the Y-axis moving mechanism and the Z-axis moving mechanism. Driven by the first driving motor, the first moving seat can move on the Y-axis moving assembly to control the movement of the inkjet printing system in the Y-axis direction. The Y-axis moving assembly uses the first lead screw and the first slide rail, which has a simple structure, can improve the movement accuracy and ensure the inkjet printing effect.

[0016] Furthermore, the Y-axis transmission assembly includes a transmission wheel and a transmission belt arranged at one end of the first fixed base, and the transmission belt is arranged around the outside of the transmission wheel for connecting the Y-axis moving mechanisms arranged on both sides of the base.

[0017] The beneficial effects of adopting the above technical solution are as follows: Y-axis transmission components are provided on the Y-axis moving mechanisms on both sides of the base, and the transmission belt is wrapped around the outside of the transmission wheel to form a driving structure with the first drive motor and the Y-axis moving component, so that the Y-axis moving mechanisms on both sides of the base can move synchronously, thereby improving the accuracy of the displacement.

[0018] Furthermore, the Z-axis moving mechanism is arranged above the Y-axis moving mechanism, including a second lifting unit arranged on the first moving seat, the second lifting unit includes a second fixed base, a first telescopic rod and a second telescopic rod arranged in sequence, the second fixed base is arranged at the top of the first moving seat, and a fourth driving motor is arranged on one side thereof.

[0019] The beneficial effects of adopting the above technical solution are as follows: the Z-axis moving mechanism can enable the inkjet system to move up and down in the Z-axis direction. Under the drive of the fourth drive motor, the first telescopic rod and the second telescopic rod can be automatically raised and lowered, and the Z-axis moving mechanism utilizes the cooperation between the telescopic rods, which greatly simplifies the structural complexity of the displacement device and improves the convenience of disassembly and assembly of the displacement device and the stability of displacement.

[0020] Furthermore, the X-axis moving mechanism is arranged at the top of the Z-axis moving mechanism, including a third driving motor, an X-axis moving assembly, a second moving seat arranged in the middle of the X-axis moving assembly and a third fixed base arranged at both ends of the X-axis moving assembly, one end of the third fixed base is connected to the third driving motor, the X-axis moving assembly includes a second lead screw and second slide rails arranged on both sides of the second lead screw, and a spray painting system is arranged on the second moving seat.

[0021] The beneficial effects of adopting the above technical solution are as follows: the X-axis moving mechanism can enable the inkjet printing system to move in the X-axis direction. Driven by the third drive motor, the second moving seat can move back and forth on the X-axis moving assembly to control the movement of the inkjet printing system in the X-axis direction. The X-axis moving assembly uses the second lead screw and the second slide rail, which has a simple structure, can improve the movement accuracy, and ensure the inkjet printing effect.

[0022] Furthermore, a visual inspection unit is arranged on one side of the ink storage box, which includes an industrial camera and a laser rangefinder, and both the industrial camera and the laser rangefinder are connected to the control system.

[0023] The beneficial effects of adopting the above technical solution are as follows: the industrial camera can automatically identify the position and graphic information of the graphics to be printed on the base, and feed back the information to the control system in real time, and the laser rangefinder can be used to detect the distance from the printing system to the graphics to be printed. Through the coordinated use of the industrial camera and the laser rangefinder, the visual detection unit can obtain the height information and graphic information of the printed graphics, perform parameter control for the movement and inkjet processing of the printing system, and the height of the nozzle can be individually controlled according to the distance parameter of the laser rangefinder, thereby avoiding the problem of low color reproduction of the printing and effectively improving the efficiency and effect of the printing.

[0024] Furthermore, the inkjet printing system is further provided with a curing unit, which includes a fourth fixed base and a plurality of curing lamps arranged on the fourth fixed base, and the plurality of curing lamps are arranged in parallel and connected to the control unit.

[0025] The beneficial effects of adopting the above technical solution are: the curing lamp of the curing unit can emit ultraviolet light to solidify the ink instantly, thereby reducing the curing time of the ink and effectively improving the curing efficiency of the inkjet printing.

[0026] Furthermore, a fixing unit is arranged in the middle of the base, and the fixing unit includes a fifth fixing base and a positioning fixture, and the positioning fixture is arranged parallel to the fifth fixing base and is used to fix the spray-painted graphics.

[0027] The beneficial effects of adopting the above technical solution are: the fixing unit can fix the three-dimensional graphics with inkjet printing, and the positioning fixture can be adjusted according to graphics of different sizes, which can meet different inkjet printing requirements and improve the applicability of the inkjet printing device.

[0028] In summary, the three-dimensional graphics printing device provided by the utility model has the following beneficial effects:

[0029] (1) The three-dimensional graphics printing device can not only meet the printing requirements of two-dimensional graphics, but also meet the printing requirements of three-dimensional graphics through the cooperation of the mobile system and the printing system, and can avoid the problem of low color reproduction of the printing, which can effectively improve the efficiency and effect of the printing.

[0030] (2) The inkjet printing system of the present invention includes a visual detection unit, an air supply mechanism, a plurality of ink supply mechanisms and a nozzle connected to the ink supply mechanism. Under the coordinated action of the control system and the mobile system, the system has automatic positioning and automatic distance measurement functions, and can automatically identify the position and graphic information of the graphics to be printed on the base, and feed back the information to the control system in real time, thereby realizing automatic printing of three-dimensional graphics.

[0031] (3) The first lifting unit provided in the inkjet printing system of the utility model can control the individual lifting and lowering of the nozzles in the inkjet printing system, and can control and adjust the heights of different nozzles according to the different height fluctuations of the three-dimensional graphics, so that the inkjet printing system can adapt to different three-dimensional graphics for inkjet printing, effectively improving the inkjet printing effect and efficiency, avoiding the problem of low inkjet color reproduction, and the lifting unit uses the coordination of the rack and the slide rail, which has a simple structure and ensures the accuracy of the lifting height of the nozzle.

[0032] (4) The inkjet printing system of the present invention also has the function of automatically detecting the ink remaining amount and automatically adding ink through the control system, which effectively improves the inkjet printing efficiency.

[0033] (5) The mobile system in the utility model can control the movement of the inkjet printing system in the X, Y, and Z directions through the X-axis moving mechanism, the Y-axis moving mechanism, and the Z-axis moving mechanism, and greatly simplifies the structural complexity of the displacement device, improves the convenience of disassembly and assembly of the displacement device and the stability of displacement, and also ensures the movement accuracy of the mobile system.

[0034] (6) The three-dimensional graphic printing device is also provided with a curing unit. The curing lamp of the curing unit can emit ultraviolet light to solidify the ink instantly, thereby reducing the curing time of the ink and effectively improving the curing efficiency of the printing.

[0035] (7) The fixing unit provided in the three-dimensional graphic printing device can fix the three-dimensional graphic with printing, and the positioning fixture can be adjusted according to graphics of different sizes, which can meet different printing requirements and improve the applicability of the printing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a structural schematic diagram of the utility model;

[0037] Figure 2 It is a structural schematic diagram of the mobile system in the utility model;

[0038] Figure 3 It is a structural schematic diagram of the inkjet printing system in the utility model;

[0039] Figure 4 It is a structural schematic diagram of the first lifting unit in the utility model.

[0040] Among them, 1-base; 2-control system; 3-moving system; 31-X-axis moving mechanism; 311-third driving motor; 312-X-axis moving assembly; 3121-second lead screw; 3122-second slide rail; 313-second moving seat; 314-third fixed base; 32-Y-axis moving mechanism; 321-first driving motor; 322-Y-axis transmission assembly; 3221-transmission wheel; 3222-transmission belt; 323-Y-axis moving assembly; 3231-first lead screw; 3232-first slide rail; 324-first moving seat; 325-first fixed base; 33-Z-axis moving mechanism; 34-second lifting unit; 341-second fixed base; 342-first telescopic rod ;343-second telescopic rod;344-fourth driving motor;4-inkjet system;41-visual inspection unit;411-industrial camera;412-laser rangefinder;42-gas supply mechanism;421-gas machine;43-ink supply mechanism;431-ink supply barrel;432-ink storage box;433-first lifting unit;4331-fixed plate;4332-rack;4333-third slide rail;4334-limiting block;434-control valve;435-liquid level meter;436-agitator;437-liquid supply pump;44-nozzle;45-curing unit;451-fourth fixed base;452-curing lamp;46-fixed unit;461-fifth fixed base;462-positioning fixture. DETAILED DESCRIPTION

[0041] The specific implementation methods of the utility model are described below to facilitate technical personnel in this technical field to understand the utility model, but it should be clear that the utility model is not limited to the scope of the specific implementation methods. For ordinary technical personnel in this technical field, as long as various changes are within the spirit and scope of the utility model defined and determined by the attached claims, these changes are obvious, and all utility model creations using the concept of the utility model are protected.

[0042] like Figure 1 As shown, the three-dimensional graphic printing device provided by the utility model includes a base 1, a control system 2, a mobile system 3 connected to the control system 2 and a printing system 4, and the printing system 4 is connected to the mobile system 3; the base 1 is used to support the control system 2, the mobile system 3 and the printing system 4. Under the control of the control system 2, the mobile system 3 can automatically move along the X, Y, and Z axis directions, and the printing system 4 can move with the movement of the mobile system 3. In addition, the printing system 4 has the functions of automatic recognition of three-dimensional graphic images and automatic positioning, and the printing system 4 can feed back the recognized information to the control system 2 in real time. The control system 2 will compare the collected information with the information input in the early stage, and control the printing system 4 to realize automatic printing according to the printing requirements, which greatly improves the printing effect and printing efficiency.

[0043] like Figure 1 and Figure 3 As shown, the inkjet printing system 4 includes a visual detection unit 41, an air supply mechanism 42, multiple ink supply mechanisms 43 and nozzles 44 connected to the ink supply mechanisms 43. The air supply mechanism 42 includes a gas generator 421, and the gas generator 421 is connected to an ink storage cartridge 432. When in use, the visual detection unit 41 can automatically identify the position and graphic information of the graphics to be sprayed on the base 1. The ink supply mechanism 43 can provide the inkjet printing system 4 with multiple groups of required inks, which are sprayed through different nozzles 44. The gas generator 421 of the air supply mechanism 42 can generate gas and transport it to the ink storage cartridge 432, so as to increase the pressure required for inkjet printing for the ink supply mechanism 43 and ensure the ink output stability of the ink storage cartridge 432.

[0044] like Figure 3 As shown, the multiple ink supply mechanisms 43 include an ink supply barrel 431 arranged inside the base 1 and an ink storage box 432 connected to the ink supply barrel 431, a liquid supply pump 437 is arranged between the ink supply barrel 431 and the ink storage box 432, a control valve 434 is arranged between the ink storage box 432 and the nozzle 44, and the control valve 434 is connected to the control system 2; under the lifting action of the liquid supply pump 437, the ink in the ink supply box can be transported to the ink storage box 432 through the ink supply pipe, and then the nozzle 44 starts to spray, the control valve 434 between the nozzle 44 and the ink storage box 432 can control the start and stop of the spraying system 4, and the control valve 434 can control the flow of the ink storage box 432, which is used to meet the insufficient spraying demand, avoid the problem of low color reproduction of the spraying, and effectively improve the spraying effect and efficiency.

[0045] In the present utility model, if Figure 1 As shown, a liquid level gauge 435 is provided inside the ink storage cartridge 432, and the liquid level gauge 435 is connected to the control system 2. The liquid level gauge 435 inside the ink storage cartridge 432 can detect the ink level in real time, has the function of automatically detecting the ink remaining amount and can automatically add ink through the control system 2, thereby effectively improving the printing efficiency.

[0046] In the present utility model, if Figure 3 As shown, a stirrer 436 is provided at the top of the ink supply barrel 431; the stirrer 436 can stir the ink in the ink supply barrel 431 to make the ink more uniform and avoid ink coagulation, so as to improve the ink supply rate of the inkjet printing system 4, thereby improving the color reproduction degree and inkjet printing efficiency.

[0047] like Figure 4As shown, a first lifting unit 433 is provided at the top of the ink storage box 432. The first lifting unit 433 includes a fixed plate 4331, a rack 4332 arranged on the fixed plate 4331 and a third slide rail 4333. A limit block 4334 is provided at the end of the rack 4332. The limit block 4334 is connected to the third slide rail 4333. The first lifting unit 433 arranged at the top of the ink storage box 432 controls the individual lifting of the nozzle 44 in the inkjet printing system 4, and can control and adjust the heights of different nozzles 44 according to the different height fluctuations of the three-dimensional graphics, so that the inkjet printing system 4 can adapt to different three-dimensional graphics for inkjet printing, effectively improve the inkjet printing effect and efficiency, and avoid the problem of low inkjet color reproduction. The first lifting unit 433 uses the cooperation of the rack 4332 and the slide rail, has a simple structure and ensures the accuracy of the lifting height of the nozzle 44. In addition, the limit block 4334 can limit the minimum descending height of the nozzle 44 to avoid the nozzle 44 from touching the three-dimensional graphics and damaging the nozzle 44.

[0048] In the present utility model, if Figure 3 As shown, the visual detection unit 41 is arranged on one side of the ink storage box 432, which includes an industrial camera 411 and a laser rangefinder 412, and both the industrial camera 411 and the laser rangefinder 412 are connected to the control system 2; when in use, the industrial camera 411 can automatically identify the position and graphic information of the graphics to be printed on the base 1, and feed back the information to the control system 2 in real time, and the laser rangefinder 412 can be used to detect the distance from the printing system 4 to the graphics to be printed. Through the coordinated use of the industrial camera 411 and the laser rangefinder 412, the visual detection unit 41 can obtain the height information and graphic information of the printed graphics, and perform parameter control for the movement and inkjet processing of the printing system 4, and the height of the nozzle 44 can be individually controlled according to the distance parameter of the laser rangefinder 412, thereby avoiding the problem of low color reproduction of the printing and effectively improving the efficiency and effect of the printing.

[0049] like Figure 3 As shown, the inkjet printing system 4 is also provided with a curing unit 45, which includes a fourth fixed base 451 and a plurality of curing lamps 452 arranged on the fourth fixed base 451, and the plurality of curing lamps 452 are arranged in parallel and connected to the control unit; when in use, the control system 2 can automatically turn on the curing unit 45 to cure the ink in the printed image area, and at this time, the curing lamp 452 of the curing unit 45 can emit ultraviolet light to instantly solidify the ink, thereby reducing the curing time of the ink and effectively improving the curing efficiency of the inkjet printing.

[0050] like Figure 1 and Figure 2As shown, the moving system 3 includes an X-axis moving mechanism 31, a Y-axis moving mechanism 32 and a Z-axis moving mechanism 33. The moving system 3 can control the inkjet printing system 4 to move in the X, Y and Z directions through the X-axis moving mechanism 31, the Y-axis moving mechanism 32 and the Z-axis moving mechanism 33.

[0051] In the present utility model, if Figure 1 and Figure 2 As shown, the Y-axis moving mechanism 32 is arranged in parallel on both sides of the base 1, including a first driving motor 321, a Y-axis transmission assembly 322, a Y-axis moving assembly 323, a first moving seat 324 arranged in the middle of the Y-axis moving assembly 323, and a first fixed base 325 arranged at both ends of the Y-axis moving assembly 323, one end of the first fixed base 325 is connected to the first driving motor 321, and the Y-axis moving assembly 323 includes a first lead screw 3231 and a first slide rail 3232 arranged on both sides of the first lead screw 3231; when in use, under the drive of the first driving motor 321, the first moving seat 324 can move back and forth on the Y-axis moving assembly 323 to control the movement of the inkjet printing system 4 in the Y-axis direction, and the Y-axis moving assembly 323 uses the first lead screw 3231 and the first slide rail 3232, which has a simple structure, can improve the movement accuracy, and ensure the inkjet printing effect.

[0052] like Figure 2 As shown, the Y-axis transmission assembly 322 includes a transmission wheel 3221 and a transmission belt 3222 arranged at one end of the first fixed base 325, and the transmission belt 3222 is arranged around the outside of the transmission wheel 3221, and is used to connect the Y-axis moving mechanism 32 arranged on both sides of the base 1; the Y-axis transmission assembly 322 is arranged on the Y-axis moving mechanism 32 on both sides of the base 11, and the transmission belt 3222 is arranged around the outside of the transmission wheel 3221, which can form a driving structure with the first driving motor 321 and the Y-axis moving assembly 323, so that the Y-axis moving mechanism 32 on both sides of the base 11 can move synchronously, thereby improving the accuracy of displacement.

[0053] like Figure 1 and Figure 2 As shown, the Z-axis moving mechanism 33 is arranged above the Y-axis moving mechanism 32, including a second lifting unit 34 arranged on the first moving seat 324, the second lifting unit 34 includes a second fixed base 341, a first telescopic rod 342 and a second telescopic rod 343 arranged in sequence, the second fixed base 341 is arranged at the top of the first moving seat 324, and a fourth driving motor 344 is arranged on one side thereof; the Z-axis moving mechanism 33 can make the inkjet printing system 4 move up and down in the Z-axis direction, and under the drive of the fourth driving motor 344, the first telescopic rod 342 and the second telescopic rod 343 can be automatically lifted and lowered, and the Z-axis moving mechanism 33 utilizes the cooperation between the telescopic rods, which greatly simplifies the structural complexity of the displacement device, improves the convenience of disassembly and assembly of the displacement device and the stability of displacement.

[0054] like Figure 1 and Figure 2 As shown, the X-axis moving mechanism 31 is arranged at the top of the Z-axis moving mechanism 33, including a third driving motor 311, an X-axis moving assembly 312, a second moving seat 313 arranged in the middle of the X-axis moving assembly 312, and a third fixed base 314 arranged at both ends of the X-axis moving assembly 312, one end of the third fixed base 314 is connected to the third driving motor 311, the X-axis moving assembly 312 includes a second lead screw 3121 and a second slide rail 3122 arranged on both sides of the second lead screw 3121, and a spray painting system 4 is arranged on the second moving seat 313; the X-axis moving mechanism 31 can make the spray painting system 4 move in the X-axis direction, and under the drive of the third driving motor 311, the second moving seat 313 can move back and forth on the X-axis moving assembly 312 to control the movement of the spray painting system 4 in the X-axis direction, and the X-axis moving assembly 312 uses the second lead screw 3121 and the second slide rail 3122, which has a simple structure, can improve the movement accuracy, and ensure the spray painting effect.

[0055] In the present utility model, if Figure 1 As shown, a fixing unit 46 is provided in the middle of the base 1, and the fixing unit 46 includes a fifth fixing base 461 and a positioning fixture 462. The positioning fixture 462 is arranged in parallel with the fifth fixing base 461 and is used to fix the spray-painted graphics; the fixing unit 46 can fix the three-dimensional graphics with spray painting, and the positioning fixture 462 can be adjusted according to graphics of different sizes, which can meet different spray painting requirements and improve the applicability of the spray painting device.

[0056] In summary, the three-dimensional graphics printing device provided by the utility model has the functions of automatic graphics positioning, image acquisition and analysis, and automatic printing. By automatically detecting the height of the three-dimensional graphics, it can automatically adapt to the height fluctuations of the graphics and adjust the height of the nozzle 44, thereby avoiding the problem of low color reproduction of the printing and effectively improving the efficiency and effect of the printing.

Claims

1. A three-dimensional graphics printing device, characterized in that: The invention comprises a base (1), a control system (2), a mobile system (3) connected to the control system (2), and a printing system (4); the printing system (4) is connected to the mobile system (3), and comprises a visual detection unit (41), an air supply mechanism (42), a plurality of ink supply mechanisms (43), and a nozzle (44) connected to the ink supply mechanism (43); The plurality of ink supply mechanisms (43) include an ink supply barrel (431) disposed inside the base (1) and an ink storage box (432) connected to the ink supply barrel (431), a liquid supply pump (437) is disposed between the ink supply barrel (431) and the ink storage box (432), a control valve (434) is disposed between the ink storage box (432) and the nozzle (44), a liquid level meter (435) is disposed inside the ink storage box (432), and the liquid level meter (435) and the control valve (434) are both connected to the control system (2); The gas supply mechanism (42) comprises a gas generator (421), and the gas generator (421) is connected to an ink storage box (432).

2. The three-dimensional graphics printing device according to claim 1, characterized in that: A stirrer (436) is provided at the top of the ink supply barrel (431).

3. The three-dimensional graphics printing device according to claim 1, characterized in that: A first lifting unit (433) is arranged at the top of the ink storage box (432), and the first lifting unit (433) includes a fixed plate (4331), a rack (4332) arranged on the fixed plate (4331) and a third slide rail (4333), and a limit block (4334) is arranged at the end of the rack (4332), and the limit block (4334) is connected to the third slide rail (4333).

4. The three-dimensional graphics printing device according to claim 1, characterized in that: The moving system (3) comprises an X-axis moving mechanism (31), a Y-axis moving mechanism (32) and a Z-axis moving mechanism (33); the Y-axis moving mechanism (32) is arranged in parallel on both sides of the base (1), and comprises a first driving motor (321), a Y-axis transmission assembly (322), a Y-axis moving assembly (323), a first moving seat (324) arranged in the middle of the Y-axis moving assembly (323) and a first fixed base (325) arranged at both ends of the Y-axis moving assembly (323); one end of the first fixed base (325) is connected to the first driving motor (321); the Y-axis moving assembly (323) comprises a first lead screw (3231) and first slide rails (3232) arranged on both sides of the first lead screw (3231).

5. The three-dimensional graphics printing device according to claim 4, characterized in that: The Y-axis transmission assembly (322) comprises a transmission wheel (3221) and a transmission belt (3222) arranged at one end of the first fixed base (325); the transmission belt (3222) is arranged around the outside of the transmission wheel (3221) and is used to connect the Y-axis moving mechanisms (32) arranged on both sides of the base (1).

6. The three-dimensional graphics printing device according to claim 4, characterized in that: The Z-axis moving mechanism (33) is arranged above the Y-axis moving mechanism (32), and comprises a second lifting unit (34) arranged on the first moving seat (324), the second lifting unit (34) comprising a second fixed base (341), a first telescopic rod (342) and a second telescopic rod (343) arranged in sequence, the second fixed base (341) being arranged at the top of the first moving seat (324), and a fourth driving motor (344) being arranged on one side thereof.

7. The three-dimensional graphics printing device according to claim 4, characterized in that: The X-axis moving mechanism (31) is arranged at the top end of the Z-axis moving mechanism (33), and comprises a third driving motor (311), an X-axis moving assembly (312), a second moving seat (313) arranged in the middle of the X-axis moving assembly (312), and a third fixed base (314) arranged at both ends of the X-axis moving assembly (312), one end of the third fixed base (314) is connected to the third driving motor (311), the X-axis moving assembly (312) comprises a second lead screw (3121) and second slide rails (3122) arranged on both sides of the second lead screw (3121), and a spray painting system (4) is arranged on the second moving seat (313).

8. The three-dimensional graphics printing device according to claim 1, characterized in that: The visual detection unit (41) is arranged on one side of the ink storage box (432), and comprises an industrial camera (411) and a laser rangefinder (412), and both the industrial camera (411) and the laser rangefinder (412) are connected to the control system (2).

9. The three-dimensional graphics printing device according to claim 1, characterized in that: The inkjet printing system (4) is further provided with a curing unit (45), wherein the curing unit (45) comprises a fourth fixed base (451) and a plurality of curing lamps (452) arranged on the fourth fixed base (451), wherein the plurality of curing lamps (452) are arranged in parallel and connected to the control system (2).

10. The three-dimensional graphics printing device according to claim 1, characterized in that: A fixing unit (46) is arranged in the middle of the base (1), and the fixing unit (46) comprises a fifth fixing base (461) and a positioning fixture (462). The positioning fixture (462) is arranged in parallel with the fifth fixing base (461) and is used to fix the spray-painted graphics.

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