Flat screen digital combined printing machine with vision

Abstract

The invention discloses a flat screen digital combined printing machine with vision, and relates to the related field of printing and dyeing, the flat screen digital combined printing machine comprises a machine body, the machine body is provided with a flat screen scraping printing unit used for scraping and printing traditional color paste or various assistants on cloth, the machine body is provided with a pre-heating and drying unit used for drying color paste or various assistants after scraping printing, the machine body is provided with a shooting mechanism used for shooting patterns, the shooting mechanism can be a line scanning camera or an industrial camera, a medium to be printed is shot through the shooting unit, and the medium to be printed is placed in the pre-heating and drying unit for drying the color paste or various assistants after scraping printing. The digital printing machine and the flat screen scraping printing mechanism are combined perfectly, so that the phenomena of inclination, deformation and the like of a medium are found, the position, the size and the shape of a pattern needing to be subjected to jet printing are automatically corrected and adjusted through computer software control, the printed pattern can be matched with a pattern subjected to scraping printing, and a completely matched pattern is printed. And the added value of the produced fabric is improved.

Description

Technical Field

[0001] The invention relates to the field of printing and dyeing, and in particular to a flat screen digital combined printing machine with vision. Background Art

[0002] Flat screen printing machine is the abbreviation of scraper flat screen printing machine. Flat screen printing machine is an important production equipment in the textile printing and dyeing industry, especially in textile fabric printing enterprises. In order to print and dye more complex and three-dimensional patterns, flat screen printing machine is often required for multi-color printing. The process is very complicated. Most of the flat screen and digital combined printing equipment currently used lack shooting units and require staff to observe and operate, and the equipment has low working efficiency. Summary of the invention

[0003] The object of the present invention is to provide a flat screen digital combined printing machine with vision to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a flat screen digital combined printing machine with vision, comprising a machine body, the machine body is provided with a flat screen scraping unit responsible for scraping traditional color paste or various additives onto the cloth, the machine body is provided with a front heating and drying unit for drying the color paste or various additives after scraping, the machine body is provided with a shooting unit for using a shooting mechanism to obtain the pattern of the medium to be printed, the machine body is equipped with a digital printing unit for accurately printing the required pattern at a specified position, the rear side of the machine body is equipped with a post-heating and drying unit for drying, and the front and rear of the machine body are respectively provided with an unwinding unit and a winding unit for unwinding and winding.

[0005] In addition, in one embodiment, adjustment and fixing blocks are provided on the left and right sides of the front of the machine body, and each of the adjustment and fixing blocks is provided with a fixing bolt between the machine body, and movable sliders are provided on the left and right sides of the front of the machine body, and each of the movable sliders is fixedly installed with a front bearing seat, and a front conveying roller shaft is provided between the two front bearing seats, and each of the adjustment and fixing blocks is provided with a rotating screw, and each of the rotating screws is respectively connected to the movable slider by a thread, and a front conveying roller is fixedly provided on the conveying roller shaft, and the tension of the printing guide belt can be adjusted by rotating the screw to ensure that the printing guide belt can move smoothly.

[0006] In addition, in one embodiment, a motor frame is provided on one side of the machine body, and the motor frame can be installed on the left side or the right side of the machine body. The motor frame is connected to the machine body by bolts, and the machine body is symmetrically fixedly installed with rear bearing seats, and a rear conveying roller is provided between the two rear bearing seats. A transmission motor is fixedly installed on the motor frame, and the transmission motor is power-connected to the rear conveying roller, and a printing guide belt is connected between the rear conveying roller and the front conveying roller.

[0007] In addition, in one embodiment, the unwinding unit includes an unwinding frame, an unwinding shaft is provided between the unwinding frames, and an unwinding roller is fixedly provided on the unwinding shaft; the winding unit includes a winding frame, a winding roller is provided between the winding frames, and a winding roller is fixedly provided on the winding roller.

[0008] In addition, in one embodiment, the flat screen scraping unit includes a printing screen substrate, a flat screen scraping device and a silk screen plate. The printing screen substrate is fixedly mounted on the machine body, and the flat screen scraping device is fixedly mounted on the printing screen substrate. One or more groups of the flat screen scraping units can be installed on the machine body and configured and scraped as needed. The silk screen plate is made of photosensitive resin to form a pattern, and the pattern to be printed can be printed on the printing medium by scraping.

[0009] In addition, in one embodiment, a drying device is provided in the front heating and drying unit, and one or more groups of the drying devices are provided on the machine body. The number is configured according to the drying requirements. If drying is not required, they may not be placed. Each of the drying devices is respectively provided with an exhaust gas exhaust connection port, and the exhaust gas exhaust connection port is respectively connected to an exhaust gas exhaust device. Depending on production requirements, the exhaust gas exhaust connection port may not be set.

[0010] In addition, in one embodiment, the shooting unit includes two mounting bases, two linear guide rail bases and a shooting mechanism. The mounting bases are fixedly provided on the body in a front-to-back symmetrical manner, and the shooting mechanism is installed on the two mounting bases.

[0011] In addition, in one embodiment, the photographing mechanism uses a camera to photograph the medium to be printed, and may use a line scan camera or an industrial camera.

[0012] In addition, in one embodiment, the digital printing unit is provided with the linear guide rail, the nozzle rack, the inkjet nozzle and the printing medium conveying device, the two linear guide rail bases are fixedly installed on the body in a front-to-back symmetrical manner, the two linear guide rail bases are fixedly installed with linear guides, a slidable nozzle rack is provided in the linear guide rail, the inkjet nozzle is fixedly installed on the linear guide rail, the printing medium conveying device is installed on the nozzle rack, the printing medium conveying device is connected to the inkjet nozzle, a power mechanism is installed between the nozzle rack and the linear guide rail, so that the movement of the nozzle rack can be controlled, and the digital printing unit can accurately print the required pattern on At the designated position, the camera mechanism is placed behind the scraping mechanism and in front of the digital printing mechanism. Before printing, the camera mechanism has pre-processed the image, and the computer software can adjust the size, position and shape of the pattern. There is a strict positional relationship here, requiring a fixed spacing to be set, requiring the three mechanisms to be parallel, and the physical position needs to be determined after precise calculation. The flat screen scraping unit is located in the front, the camera unit follows the flat screen scraping unit, and the digital printing unit is located behind the camera unit. The three have a strict positional relationship and layout, which can ensure the coordinated operation of the three units and achieve high-precision and high-efficiency pattern printing.

[0013] In addition, in one embodiment, the shooting unit provides another installation method, and a mobile shooting mechanism can be installed on the nozzle frame. The mobile shooting mechanism moves with the nozzle frame to shoot the pattern. The installation method of the shooting unit can be to install the shooting mechanism or the mobile shooting mechanism.

[0014] In summary, the beneficial effects of the present invention are:

[0015] 1. The present invention uses the flat screen scraping device to scrape traditional color paste or various additives onto the fabric. The front heating and drying unit dries or gasifies the scraped color paste or various additives at high temperature, and cooperates with the line scanning camera on the line scanning camera frame to scan the fabric, so as to find the image tilt and deformation, and then automatically correct it through computer software control, adjust the position, size and shape of the pattern to be printed, so that the printed pattern can match the scraped pattern, and print a completely consistent pattern. The present invention perfectly combines the digital printing machine and the flat screen hanging printing mechanism, so that the added value of the produced fabric is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the overall main structure of a flat screen digital joint printing machine with vision according to the present invention;

[0018] Figure 2 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 3 For the present invention Figure 1 The enlarged structural diagram at B in the middle;

[0020] Figure 4 For the present invention Figure 1 The enlarged structural diagram at C in the middle;

[0021] Figure 5 For the present invention Figure 1 Schematic diagram of the stereoscopic structure of the line scan camera;

[0022] Figure 6 For the present invention Figure 1 Schematic diagram of the installation method of industrial cameras;

[0023] Figure 7 For the present invention Figure 1 Another way to install the shooting mechanism in the middle;

[0024] Figure 8 For the present invention Figure 7 The enlarged structural diagram at D in the middle;

[0025] Fig. 9 For the present invention Figure 8 Schematic diagram of the three-dimensional structure of the mobile shooting mechanism.

[0026] The symbols in the attached drawings are described as follows: 1. unwinding unit; 2. flat screen scraping unit; 3. front heating and drying unit; 4. shooting unit; 5. digital printing unit; 6. rear heating and drying unit; 7. winding unit; 10. machine body; 11. unwinding frame; 12. unwinding shaft; 13. unwinding roller; 14. printing screen substrate; 15. winding frame; 16. winding roller; 17. winding roller; 18. drying device; 20. adjusting fixed block; 21. rotating screw; 23. moving Slider; 24, front conveying roller shaft; 25, front bearing seat; 26, front conveying roller; 27, motor frame; 28, transmission motor; 30, rear bearing seat; 31, rear conveying roller; 32, printing guide belt; 33, linear guide base; 34, linear guide; 35, nozzle frame; 36, inkjet nozzle; 37, printing medium conveying device; 38, mobile shooting mechanism; 39, shooting mechanism; 40, mounting base; 42, exhaust gas exhaust connection port; 43, flat screen scraping device. DETAILED DESCRIPTION

[0027] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.

[0028] Any feature disclosed in this specification (including any additional claims, abstract and drawings), unless otherwise stated, may be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.

[0029] Combine the following Figure 1-9 The present invention is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front, and back directions mentioned below are the same as Figure 1 The view direction is consistent in front, back, left, right, up and down directions. Figure 1 is a three-dimensional view of the device of the present invention, Figure 1 The directions shown are consistent with the front, back, left, right, up and down directions of the device of the present invention when viewed from the front.

[0030] See also Figure 1-9The present invention provides an embodiment: a flat screen digital joint printing machine with vision, including a machine body 10, the machine body 10 is provided with a flat screen scraping unit 2 responsible for scraping traditional color paste or various additives onto the cloth, the machine body 10 is provided with a front heating and drying unit 3 for drying the scraped color paste or various additives, the machine body 10 is provided with a shooting unit 4 for using a shooting mechanism to obtain a pattern of a medium to be printed, the machine body 10 is installed with a digital printing unit 5 for accurately printing a required pattern at a specified position, the rear side of the machine body 10 is installed with a post-heating and drying unit 6 for drying, and the front and rear parts of the machine body 10 are respectively provided with an unwinding unit 1 and a rewinding unit 7 for unwinding and rewinding.

[0031] In addition, in one embodiment, an adjustment fixing block 20 is provided on the left and right sides of the front of the machine body 10, and each of the adjustment fixing blocks 20 is provided with a fixing bolt between the machine body 10, and a movable slider 23 is provided on the left and right sides of the front of the machine body 10, and each of the movable sliders 23 is fixedly installed with a front bearing seat 25, and a front conveying roller shaft 24 is provided between the two front bearing seats 25, and each of the adjustment fixing blocks 20 is provided with a rotating screw 21, and each of the rotating screws 21 is respectively connected to the movable slider 23 by a thread, and a front conveying roller 26 is fixedly provided on the front conveying roller shaft 24, and the tension of the printing guide 32 can be adjusted by rotating the screw 21 to ensure that the printing guide 32 can move smoothly.

[0032] In addition, in one embodiment, a motor frame 27 is provided on one side of the body 10, and the motor frame 27 can be installed on the left side or the right side of the body 10. The motor frame 27 is connected to the body 10 by bolts, and the body 10 is symmetrically fixed with rear bearing seats 30, and a rear conveying roller 31 is provided between the two rear bearing seats 30. A transmission motor 28 is fixedly installed on the motor frame 27, and the transmission motor 28 is power-connected to the rear conveying roller 31. A printing guide belt 32 is connected between the rear conveying roller 31 and the front conveying roller 26.

[0033] In addition, in one embodiment, the unwinding unit 1 includes an unwinding frame 11, an unwinding shaft 12 is provided between the unwinding frames 11, and an unwinding roller 13 is fixedly provided on the unwinding shaft 12; the winding unit 7 includes a winding frame 15, a winding roller 17 is provided between the winding frames 15, and a winding roller 16 is fixedly provided on the winding roller 17.

[0034] In addition, in one embodiment, the flat screen scraping unit 2 includes a printing screen substrate 14, a flat screen scraping device 43 and a silk screen plate. The printing screen substrate 14 is fixedly installed on the machine body 10, and the flat screen scraping device 43 is fixedly installed on the printing screen substrate 14. One or more groups of the flat screen scraping units 2 can be installed on the machine body 10, and they can be configured and scraped as needed. The silk screen plate is made of photosensitive glue to form a pattern, and the pattern to be printed can be printed on the printing medium by scraping.

[0035] In addition, in one embodiment, a drying device 18 is provided in the front heating and drying unit 3, and one or more groups of the drying devices 18 are provided on the machine body 10. The number is configured according to the drying requirements. If drying is not required, they may not be placed. Each of the drying devices 18 is respectively provided with an exhaust gas exhaust connection port 42, and the exhaust gas exhaust connection port 42 is respectively connected to an exhaust gas exhaust device. According to production requirements, the exhaust gas exhaust connection port may not be set.

[0036] In addition, in one embodiment, the shooting unit 4 includes two mounting bases 40 , two linear guide bases 33 and a shooting mechanism 39 . The mounting bases 40 are fixedly mounted on the body 10 symmetrically in the front and back, and the shooting mechanism 39 is mounted on the two mounting bases 40 .

[0037] In addition, in one embodiment, the photographing mechanism 39 uses a camera to photograph the medium to be printed, and may use a line scan camera or an industrial camera.

[0038] In addition, in one embodiment, the digital printing unit 5 is provided with the linear guide 34, the nozzle rack 35, the inkjet nozzle 36 and the printing medium conveying device 37, the body 10 is symmetrically fixedly installed with two linear guide bases 33, the two linear guide bases 33 are fixedly installed with linear guides 34, the linear guide 34 is provided with a slidable nozzle rack 35, the linear guide 34 is fixedly installed with an inkjet nozzle 36, the nozzle rack 35 is installed with a printing medium conveying device 37, the printing medium conveying device 37 is connected with the inkjet nozzle 36, and a power mechanism is installed between the nozzle rack 35 and the linear guide 34, so that the movement of the nozzle rack 35 can be controlled. The printing unit 5 can print the required pattern accurately at the specified position. The shooting mechanism is placed behind the scraping mechanism and in front of the digital printing mechanism. Before printing, the shooting mechanism has pre-processed the image, and the computer software can adjust the size, position and shape of the pattern. There is a strict positional relationship here, requiring a fixed spacing to be set, requiring the three mechanisms to be parallel, and the physical position needs to be determined after precise calculation. The flat screen scraping unit 2 is located in the front, the shooting unit 4 follows the flat screen scraping unit 2, and the digital printing unit 5 is located behind the shooting unit. The three have a strict positional relationship and layout, which can ensure the coordinated operation of the three units and achieve high-precision and high-efficiency pattern printing.

[0039] In addition, in one embodiment, the shooting unit 4 provides another installation method, and a mobile shooting mechanism 38 can be installed on the nozzle frame 35. The mobile shooting mechanism 38 moves with the nozzle frame 35 to shoot the pattern. The installation method of the shooting unit 4 can be to install the shooting mechanism 39 or the mobile shooting mechanism 38.

[0040] In a specific embodiment, when printing is required, the medium to be printed is fixed to the unwinding roller 13, and the rotating screws 21 on both sides are rotated to adjust the distance between the front conveying roller 26 and the rear conveying roller 31, and then the tension of the printing guide 32 is adjusted, so that the transmission motor 28 is started, so that the rear conveying roller 31 rotates, so that the moving slider 23 slides with the front conveying roller 26, so that the printing guide 32 moves, thereby driving the medium to be printed to move, so that the medium passes through the flat screen scraping device 43, so that the traditional color paste or various additives are scraped onto the medium, and the front scraping device 43 is used to print the traditional color paste or various additives. The hot drying unit 3 will dry or high-temperature vaporize the color paste or various additives after scraping and printing. The line scan camera or industrial camera on the shooting mechanism 39 will shoot the medium to obtain the image of the medium to be printed, so as to automatically correct it through computer software control, adjust the position, size and shape of the pattern to be printed, and control the movement of the nozzle rack 35 through the power mechanism, so as to cooperate with the printing medium conveying device 37 and the inkjet nozzle 36 to perform inkjet printing on the cloth, so that the required pattern will be accurately printed at the specified position through the digital printing unit 5, and then the medium will be sent to the rear heating and drying unit 6 for drying, and finally be rolled up by the winding unit 7.

[0041] The above is only a specific implementation of the invention, but the protection scope of the invention is not limited to it. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the invention. Therefore, the protection scope of the invention should be based on the protection scope defined in the claims.

Claims

1. A flat screen digital joint printing machine with vision, comprising a machine body (10), characterized in that: The machine body (10) is provided with a flat screen scraping unit (2) responsible for scraping traditional color paste or various auxiliary agents onto fabric, the machine body (10) is provided with a front heating and drying unit (3) for drying the color paste or various auxiliary agents after scraping, the machine body (10) is provided with a shooting unit (4) for obtaining the pattern of the medium to be printed using a shooting mechanism, the machine body (10) is installed with a digital printing unit (5) for accurately printing the required pattern at a specified position, the rear side of the machine body (10) is installed with a rear heating and drying unit (6) for drying, and the front and rear parts of the machine body (10) are respectively provided with an unwinding unit (1) and a rewinding unit (7) for unwinding and rewinding.

2. A flat screen digital joint printing machine with vision according to claim 1, characterized in that: The machine body (10) is provided with an adjustment fixing block (20) on the left and right sides of the front part, and each of the adjustment fixing blocks (20) is provided with a fixing bolt between the machine body (10). The machine body (10) is provided with a moving slider (23) on the left and right sides of the front part, and each of the moving sliders (23) is fixedly mounted with a front bearing seat (25). A front conveying roller shaft (24) is provided between the two front bearing seats (25). Each of the adjustment fixing blocks (20) is provided with a rotating screw rod (21), and each of the rotating screw rods (21) is connected to the moving slider (23) through a thread. A front conveying roller (26) is fixedly provided on the front conveying roller shaft (24). The tension of the printing guide belt (32) can be adjusted by rotating the screw rod (21) to ensure that the printing guide belt (32) can move smoothly.

3. The flat screen digital combined printing machine with vision according to claim 1, characterized in that: A motor frame (27) is provided on one side of the machine body (10), and the motor frame (27) can be installed on the left side or the right side of the machine body (10). The motor frame (27) and the machine body (10) are connected by bolts. The machine body (10) is fixedly installed with rear bearing seats (30) symmetrically on the left and right sides, and a rear conveying roller (31) is provided between the two rear bearing seats (30). A transmission motor (28) is fixedly installed on the motor frame (27), and the transmission motor (28) is connected to the rear conveying roller (31) by power, and a printing guide belt (32) is connected between the rear conveying roller (31) and the front conveying roller (26).

4. The flat screen digital joint printing machine with vision according to claim 1, characterized in that: The unwinding unit (1) comprises an unwinding frame (11), an unwinding shaft (12) is arranged between the unwinding frames (11), and an unwinding roller (13) is fixedly arranged on the unwinding shaft (12); the winding unit (7) comprises a winding frame (15), a winding roller (17) is arranged between the winding frames (15), and a winding roller (16) is fixedly arranged on the winding roller (17).

5. The flat screen digital joint printing machine with vision according to claim 1, characterized in that: The flat screen scraping unit (2) comprises a screen substrate (14), a flat screen scraping device (43) and a screen plate. The screen substrate (14) is fixedly mounted on the machine body (10), and the flat screen scraping device (43) is fixedly mounted on the screen substrate (14). One or more sets of the flat screen scraping units (2) can be mounted on the machine body (10) and configured and scraped as required. The screen plate is made of photosensitive adhesive to form a pattern, and the pattern to be printed can be printed on the printing medium by scraping.

6. The flat screen digital joint printing machine with vision according to claim 1, characterized in that: The front heating and drying unit (3) is provided with a drying device (18), and the machine body (10) is provided with one or more groups of the drying devices (18). The number of the drying devices (18) is configured according to the drying requirements. If drying is not required, they may not be placed. Each of the drying devices (18) is provided with an exhaust gas exhaust connection port (42), and the exhaust gas exhaust connection port (42) is connected to an exhaust gas exhaust device. According to production requirements, the exhaust gas exhaust connection port may not be provided.

7. The flat screen digital joint printing machine with vision according to claim 1, characterized in that: The photographing unit (4) comprises two mounting bases (40), two linear guide rail bases (33) and a photographing mechanism (39); the mounting bases (40) are fixedly arranged on the machine body (10) in a front-to-back symmetrical manner, and the photographing mechanism (39) is mounted on the two mounting bases (40).

8. The flat screen digital joint printing machine with vision according to claim 7, characterized in that: The photographing mechanism (39) uses a camera to photograph the medium to be printed, and can use a line scan camera or an industrial camera to photograph.

9. The flat screen digital joint printing machine with vision according to claim 1, characterized in that: The digital printing unit (5) is provided with the linear guide rail (34), the nozzle rack (35), the inkjet nozzle (36) and the printing medium conveying device (37). Two linear guide rail bases (33) are fixedly installed on the body (10) in a front-to-back symmetrical manner. The linear guide rails (34) are fixedly installed on the two linear guide rail bases (33). A slidable nozzle rack (35) is provided in the linear guide rail (34). The inkjet nozzle (36) is fixedly installed on the linear guide rail (34). The printing medium conveying device (37) is installed on the nozzle rack (35). The printing medium conveying device (37) is connected to the inkjet nozzle (36). A power mechanism is installed between the nozzle rack (35) and the linear guide rail (34), so that the nozzle rack (35) can be controlled. 5) Move, the digital printing unit (5) can accurately print the required pattern at the specified position, the shooting mechanism is placed behind the scraping mechanism and in front of the digital printing mechanism, before printing, the shooting mechanism has pre-processed the image, the computer software can adjust the size, position and shape of the pattern, there is a strict positional relationship here, it is required to set a fixed spacing, it is required that the three mechanisms must be parallel, and the physical position needs to be determined after accurate calculation, the flat screen scraping unit (2) is located in the front, the shooting unit (4) is closely followed by the flat screen scraping unit (2), and the digital printing unit (5) is located behind the shooting unit, the three have a strict positional relationship and layout, this positional relationship and layout can ensure the coordinated operation of the three units, and realize high-precision and high-efficiency pattern printing.

10. The flat screen digital joint printing machine with vision according to claim 1, characterized in that: The photographing unit (4) provides another installation method, in which a mobile photographing mechanism (38) can be installed on the nozzle frame (35), and the mobile photographing mechanism (38) moves with the nozzle frame (35) to photograph the pattern. The installation method of the photographing unit (4) can be to install the photographing mechanism (39) or the mobile photographing mechanism (38).

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